Mercurial > sdl-ios-xcode

annotate src/video/SDL_surface.c @ 5143:e743b9c3f6d6

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
author Sam Lantinga <slouken@libsdl.org>
date Mon, 31 Jan 2011 23:23:57 -0800
parents da10636e5eca
children d976b67150c5
rev   line source
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1 /*
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2 SDL - Simple DirectMedia Layer
3697
f7b03b6838cb Fixed bug #926
Sam Lantinga <slouken@libsdl.org>
parents: 3560
diff changeset
3 Copyright (C) 1997-2010 Sam Lantinga
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
4
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
5 This library is free software; you can redistribute it and/or
1312
c9b51268668f Updated copyright information and removed rcs id lines (problematic in branch merges)
Sam Lantinga <slouken@libsdl.org>
parents: 1251
diff changeset
6 modify it under the terms of the GNU Lesser General Public
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
7 License as published by the Free Software Foundation; either
1312
c9b51268668f Updated copyright information and removed rcs id lines (problematic in branch merges)
Sam Lantinga <slouken@libsdl.org>
parents: 1251
diff changeset
8 version 2.1 of the License, or (at your option) any later version.
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
9
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
10 This library is distributed in the hope that it will be useful,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
1312
c9b51268668f Updated copyright information and removed rcs id lines (problematic in branch merges)
Sam Lantinga <slouken@libsdl.org>
parents: 1251
diff changeset
13 Lesser General Public License for more details.
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
14
1312
c9b51268668f Updated copyright information and removed rcs id lines (problematic in branch merges)
Sam Lantinga <slouken@libsdl.org>
parents: 1251
diff changeset
15 You should have received a copy of the GNU Lesser General Public
c9b51268668f Updated copyright information and removed rcs id lines (problematic in branch merges)
Sam Lantinga <slouken@libsdl.org>
parents: 1251
diff changeset
16 License along with this library; if not, write to the Free Software
c9b51268668f Updated copyright information and removed rcs id lines (problematic in branch merges)
Sam Lantinga <slouken@libsdl.org>
parents: 1251
diff changeset
17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
18
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
19 Sam Lantinga
252
e8157fcb3114 Updated the source with the correct e-mail address
Sam Lantinga <slouken@libsdl.org>
parents: 130
diff changeset
20 slouken@libsdl.org
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
21 */
1402
d910939febfa Use consistent identifiers for the various platforms we support.
Sam Lantinga <slouken@libsdl.org>
parents: 1358
diff changeset
22 #include "SDL_config.h"
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
23
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
24 #include "SDL_video.h"
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
25 #include "SDL_compat.h"
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
26 #include "SDL_sysvideo.h"
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
27 #include "SDL_blit.h"
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
28 #include "SDL_RLEaccel_c.h"
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
29 #include "SDL_pixels_c.h"
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
30 #include "SDL_leaks.h"
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
31
1251
86d0d01290ea Updated Windows CE/PocketPC support...adds GAPI driver, landscape mode,
Ryan C. Gordon <icculus@icculus.org>
parents: 1155
diff changeset
32
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
33 /* Public routines */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
34 /*
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
35 * Create an empty RGB surface of the appropriate depth
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
36 */
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
37 SDL_Surface *
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
38 SDL_CreateRGBSurface(Uint32 flags,
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
39 int width, int height, int depth,
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
40 Uint32 Rmask, Uint32 Gmask, Uint32 Bmask, Uint32 Amask)
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
41 {
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
42 SDL_Surface *surface;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
43
2807
365fe1a2aad5 The SDL_RLEACCEL flag is respected in SDL_ConvertSurface(), per the docs.
Sam Lantinga <slouken@libsdl.org>
parents: 2787
diff changeset
44 /* The flags are no longer used, make the compiler happy */
4461
39c22a953456 Make the compiler even happier
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
45 (void)flags;
2807
365fe1a2aad5 The SDL_RLEACCEL flag is respected in SDL_ConvertSurface(), per the docs.
Sam Lantinga <slouken@libsdl.org>
parents: 2787
diff changeset
46
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
47 /* Allocate the surface */
1920
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations.
Sam Lantinga <slouken@libsdl.org>
parents: 1895
diff changeset
48 surface = (SDL_Surface *) SDL_calloc(1, sizeof(*surface));
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
49 if (surface == NULL) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
50 SDL_OutOfMemory();
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
51 return NULL;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
52 }
940
bb1588ebe47b Date: Sat, 10 Jul 2004 21:02:33 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 915
diff changeset
53
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
54 surface->format = SDL_AllocFormat(depth, Rmask, Gmask, Bmask, Amask);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
55 if (!surface->format) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
56 SDL_FreeSurface(surface);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
57 return NULL;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
58 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
59 surface->w = width;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
60 surface->h = height;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
61 surface->pitch = SDL_CalculatePitch(surface);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
62 SDL_SetClipRect(surface, NULL);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
63
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
64 if (surface->format->BitsPerPixel <= 8) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
65 SDL_Palette *palette =
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
66 SDL_AllocPalette((1 << surface->format->BitsPerPixel));
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
67 if (!palette) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
68 SDL_FreeSurface(surface);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
69 return NULL;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
70 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
71 if (Rmask || Bmask || Gmask) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
72 const SDL_PixelFormat *format = surface->format;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
73
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
74 /* create palette according to masks */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
75 int i;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
76 int Rm = 0, Gm = 0, Bm = 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
77 int Rw = 0, Gw = 0, Bw = 0;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
78
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
79 if (Rmask) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
80 Rw = 8 - format->Rloss;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
81 for (i = format->Rloss; i > 0; i -= Rw)
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
82 Rm |= 1 << i;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
83 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
84 if (Gmask) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
85 Gw = 8 - format->Gloss;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
86 for (i = format->Gloss; i > 0; i -= Gw)
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
87 Gm |= 1 << i;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
88 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
89 if (Bmask) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
90 Bw = 8 - format->Bloss;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
91 for (i = format->Bloss; i > 0; i -= Bw)
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
92 Bm |= 1 << i;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
93 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
94 for (i = 0; i < palette->ncolors; ++i) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
95 int r, g, b;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
96 r = (i & Rmask) >> format->Rshift;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
97 r = (r << format->Rloss) | ((r * Rm) >> Rw);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
98 palette->colors[i].r = r;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
99
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
100 g = (i & Gmask) >> format->Gshift;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
101 g = (g << format->Gloss) | ((g * Gm) >> Gw);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
102 palette->colors[i].g = g;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
103
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
104 b = (i & Bmask) >> format->Bshift;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
105 b = (b << format->Bloss) | ((b * Bm) >> Bw);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
106 palette->colors[i].b = b;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
107 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
108 } else if (palette->ncolors == 2) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
109 /* Create a black and white bitmap palette */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
110 palette->colors[0].r = 0xFF;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
111 palette->colors[0].g = 0xFF;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
112 palette->colors[0].b = 0xFF;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
113 palette->colors[1].r = 0x00;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
114 palette->colors[1].g = 0x00;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
115 palette->colors[1].b = 0x00;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
116 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
117 SDL_SetSurfacePalette(surface, palette);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
118 SDL_FreePalette(palette);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
119 }
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
120
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
121 /* Get the pixels */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
122 if (surface->w && surface->h) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
123 surface->pixels = SDL_malloc(surface->h * surface->pitch);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
124 if (!surface->pixels) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
125 SDL_FreeSurface(surface);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
126 SDL_OutOfMemory();
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
127 return NULL;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
128 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
129 /* This is important for bitmaps */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
130 SDL_memset(surface->pixels, 0, surface->h * surface->pitch);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
131 }
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
132
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
133 /* Allocate an empty mapping */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
134 surface->map = SDL_AllocBlitMap();
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
135 if (!surface->map) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
136 SDL_FreeSurface(surface);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
137 return NULL;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
138 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
139 SDL_FormatChanged(surface);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
140
2267
c785543d1843 Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents: 2266
diff changeset
141 /* By default surface with an alpha mask are set up for blending */
c785543d1843 Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents: 2266
diff changeset
142 if (Amask) {
2884
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2859
diff changeset
143 SDL_SetSurfaceBlendMode(surface, SDL_BLENDMODE_BLEND);
2267
c785543d1843 Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents: 2266
diff changeset
144 }
c785543d1843 Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents: 2266
diff changeset
145
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
146 /* The surface is ready to go */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
147 surface->refcount = 1;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
148 #ifdef CHECK_LEAKS
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
149 ++surfaces_allocated;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
150 #endif
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
151 return surface;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
152 }
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
153
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
154 /*
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
155 * Create an RGB surface from an existing memory buffer
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
156 */
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
157 SDL_Surface *
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
158 SDL_CreateRGBSurfaceFrom(void *pixels,
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
159 int width, int height, int depth, int pitch,
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
160 Uint32 Rmask, Uint32 Gmask, Uint32 Bmask,
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
161 Uint32 Amask)
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
162 {
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
163 SDL_Surface *surface;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
164
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
165 surface =
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
166 SDL_CreateRGBSurface(0, 0, 0, depth, Rmask, Gmask, Bmask, Amask);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
167 if (surface != NULL) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
168 surface->flags |= SDL_PREALLOC;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
169 surface->pixels = pixels;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
170 surface->w = width;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
171 surface->h = height;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
172 surface->pitch = pitch;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
173 SDL_SetClipRect(surface, NULL);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
174 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
175 return surface;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
176 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
177
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
178 static int
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
179 SDL_SurfacePaletteChanged(void *userdata, SDL_Palette * palette)
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
180 {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
181 SDL_Surface *surface = (SDL_Surface *) userdata;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
182
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
183 SDL_FormatChanged(surface);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
184
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
185 return 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
186 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
187
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
188 int
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
189 SDL_SetSurfacePalette(SDL_Surface * surface, SDL_Palette * palette)
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
190 {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
191 if (!surface || !surface->format) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
192 SDL_SetError("SDL_SetSurfacePalette() passed a NULL surface");
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
193 return -1;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
194 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
195
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
196 if (palette && palette->ncolors != (1 << surface->format->BitsPerPixel)) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
197 SDL_SetError
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
198 ("SDL_SetSurfacePalette() passed a palette that doesn't match the surface format");
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
199 return -1;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
200 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
201
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
202 if (surface->format->palette == palette) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
203 return 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
204 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
205
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
206 if (surface->format->palette) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
207 SDL_DelPaletteWatch(surface->format->palette,
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
208 SDL_SurfacePaletteChanged, surface);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
209 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
210
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
211 surface->format->palette = palette;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
212
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
213 if (surface->format->palette) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
214 SDL_AddPaletteWatch(surface->format->palette,
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
215 SDL_SurfacePaletteChanged, surface);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
216 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
217 return 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
218 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
219
2267
c785543d1843 Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents: 2266
diff changeset
220 int
c785543d1843 Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents: 2266
diff changeset
221 SDL_SetSurfaceRLE(SDL_Surface * surface, int flag)
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
222 {
2267
c785543d1843 Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents: 2266
diff changeset
223 int flags;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
224
2266
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API
Sam Lantinga <slouken@libsdl.org>
parents: 2260
diff changeset
225 if (!surface) {
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API
Sam Lantinga <slouken@libsdl.org>
parents: 2260
diff changeset
226 return -1;
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
227 }
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
228
2267
c785543d1843 Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents: 2266
diff changeset
229 flags = surface->map->info.flags;
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
230 if (flag) {
2267
c785543d1843 Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents: 2266
diff changeset
231 surface->map->info.flags |= SDL_COPY_RLE_DESIRED;
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
232 } else {
2267
c785543d1843 Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents: 2266
diff changeset
233 surface->map->info.flags &= ~SDL_COPY_RLE_DESIRED;
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
234 }
2267
c785543d1843 Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents: 2266
diff changeset
235 if (surface->map->info.flags != flags) {
2266
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API
Sam Lantinga <slouken@libsdl.org>
parents: 2260
diff changeset
236 SDL_InvalidateMap(surface->map);
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API
Sam Lantinga <slouken@libsdl.org>
parents: 2260
diff changeset
237 }
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API
Sam Lantinga <slouken@libsdl.org>
parents: 2260
diff changeset
238 return 0;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
239 }
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
240
2267
c785543d1843 Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents: 2266
diff changeset
241 int
3560
5543db4239e6 The SDL 1.3 tests have been cleaned up not to include any 1.2 compatibility code.
Sam Lantinga <slouken@libsdl.org>
parents: 3436
diff changeset
242 SDL_SetColorKey(SDL_Surface * surface, int flag, Uint32 key)
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
243 {
2266
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API
Sam Lantinga <slouken@libsdl.org>
parents: 2260
diff changeset
244 int flags;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
245
2266
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API
Sam Lantinga <slouken@libsdl.org>
parents: 2260
diff changeset
246 if (!surface) {
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API
Sam Lantinga <slouken@libsdl.org>
parents: 2260
diff changeset
247 return -1;
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API
Sam Lantinga <slouken@libsdl.org>
parents: 2260
diff changeset
248 }
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API
Sam Lantinga <slouken@libsdl.org>
parents: 2260
diff changeset
249
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API
Sam Lantinga <slouken@libsdl.org>
parents: 2260
diff changeset
250 if (flag & SDL_RLEACCEL) {
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API
Sam Lantinga <slouken@libsdl.org>
parents: 2260
diff changeset
251 SDL_SetSurfaceRLE(surface, 1);
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
252 }
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
253
2266
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API
Sam Lantinga <slouken@libsdl.org>
parents: 2260
diff changeset
254 flags = surface->map->info.flags;
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API
Sam Lantinga <slouken@libsdl.org>
parents: 2260
diff changeset
255 if (flag) {
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API
Sam Lantinga <slouken@libsdl.org>
parents: 2260
diff changeset
256 surface->map->info.flags |= SDL_COPY_COLORKEY;
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API
Sam Lantinga <slouken@libsdl.org>
parents: 2260
diff changeset
257 surface->map->info.colorkey = key;
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API
Sam Lantinga <slouken@libsdl.org>
parents: 2260
diff changeset
258 } else {
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API
Sam Lantinga <slouken@libsdl.org>
parents: 2260
diff changeset
259 surface->map->info.flags &= ~SDL_COPY_COLORKEY;
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API
Sam Lantinga <slouken@libsdl.org>
parents: 2260
diff changeset
260 }
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API
Sam Lantinga <slouken@libsdl.org>
parents: 2260
diff changeset
261 if (surface->map->info.flags != flags) {
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API
Sam Lantinga <slouken@libsdl.org>
parents: 2260
diff changeset
262 SDL_InvalidateMap(surface->map);
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API
Sam Lantinga <slouken@libsdl.org>
parents: 2260
diff changeset
263 }
2267
c785543d1843 Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents: 2266
diff changeset
264
c785543d1843 Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents: 2266
diff changeset
265 /* Compatibility mode */
c785543d1843 Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents: 2266
diff changeset
266 if (surface->map->info.flags & SDL_COPY_COLORKEY) {
c785543d1843 Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents: 2266
diff changeset
267 surface->flags |= SDL_SRCCOLORKEY;
c785543d1843 Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents: 2266
diff changeset
268 } else {
c785543d1843 Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents: 2266
diff changeset
269 surface->flags &= ~SDL_SRCCOLORKEY;
c785543d1843 Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents: 2266
diff changeset
270 }
c785543d1843 Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents: 2266
diff changeset
271
2266
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API
Sam Lantinga <slouken@libsdl.org>
parents: 2260
diff changeset
272 return 0;
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API
Sam Lantinga <slouken@libsdl.org>
parents: 2260
diff changeset
273 }
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API
Sam Lantinga <slouken@libsdl.org>
parents: 2260
diff changeset
274
3103
7be21a78777e Added SDL_GetColorKey()
Sam Lantinga <slouken@libsdl.org>
parents: 3013
diff changeset
275 int
7be21a78777e Added SDL_GetColorKey()
Sam Lantinga <slouken@libsdl.org>
parents: 3013
diff changeset
276 SDL_GetColorKey(SDL_Surface * surface, Uint32 * key)
7be21a78777e Added SDL_GetColorKey()
Sam Lantinga <slouken@libsdl.org>
parents: 3013
diff changeset
277 {
7be21a78777e Added SDL_GetColorKey()
Sam Lantinga <slouken@libsdl.org>
parents: 3013
diff changeset
278 if (!surface) {
7be21a78777e Added SDL_GetColorKey()
Sam Lantinga <slouken@libsdl.org>
parents: 3013
diff changeset
279 return -1;
7be21a78777e Added SDL_GetColorKey()
Sam Lantinga <slouken@libsdl.org>
parents: 3013
diff changeset
280 }
7be21a78777e Added SDL_GetColorKey()
Sam Lantinga <slouken@libsdl.org>
parents: 3013
diff changeset
281
7be21a78777e Added SDL_GetColorKey()
Sam Lantinga <slouken@libsdl.org>
parents: 3013
diff changeset
282 if (!(surface->map->info.flags & SDL_COPY_COLORKEY)) {
7be21a78777e Added SDL_GetColorKey()
Sam Lantinga <slouken@libsdl.org>
parents: 3013
diff changeset
283 return -1;
7be21a78777e Added SDL_GetColorKey()
Sam Lantinga <slouken@libsdl.org>
parents: 3013
diff changeset
284 }
7be21a78777e Added SDL_GetColorKey()
Sam Lantinga <slouken@libsdl.org>
parents: 3013
diff changeset
285
7be21a78777e Added SDL_GetColorKey()
Sam Lantinga <slouken@libsdl.org>
parents: 3013
diff changeset
286 if (key) {
7be21a78777e Added SDL_GetColorKey()
Sam Lantinga <slouken@libsdl.org>
parents: 3013
diff changeset
287 *key = surface->map->info.colorkey;
7be21a78777e Added SDL_GetColorKey()
Sam Lantinga <slouken@libsdl.org>
parents: 3013
diff changeset
288 }
7be21a78777e Added SDL_GetColorKey()
Sam Lantinga <slouken@libsdl.org>
parents: 3013
diff changeset
289 return 0;
7be21a78777e Added SDL_GetColorKey()
Sam Lantinga <slouken@libsdl.org>
parents: 3013
diff changeset
290 }
7be21a78777e Added SDL_GetColorKey()
Sam Lantinga <slouken@libsdl.org>
parents: 3013
diff changeset
291
2785
fa1095d42a5b Fixed bug with converting colorkey surface to texture
Sam Lantinga <slouken@libsdl.org>
parents: 2735
diff changeset
292 /* This is a fairly slow function to switch from colorkey to alpha */
2787
93764fe8601a It turns out both the software and the OpenGL renderer had the same problem.
Sam Lantinga <slouken@libsdl.org>
parents: 2786
diff changeset
293 static void
2786
Sam Lantinga <slouken@libsdl.org>
parents: 2785
diff changeset
294 SDL_ConvertColorkeyToAlpha(SDL_Surface * surface)
2785
fa1095d42a5b Fixed bug with converting colorkey surface to texture
Sam Lantinga <slouken@libsdl.org>
parents: 2735
diff changeset
295 {
2786
Sam Lantinga <slouken@libsdl.org>
parents: 2785
diff changeset
296 int x, y;
2785
fa1095d42a5b Fixed bug with converting colorkey surface to texture
Sam Lantinga <slouken@libsdl.org>
parents: 2735
diff changeset
297
2786
Sam Lantinga <slouken@libsdl.org>
parents: 2785
diff changeset
298 if (!surface) {
Sam Lantinga <slouken@libsdl.org>
parents: 2785
diff changeset
299 return;
Sam Lantinga <slouken@libsdl.org>
parents: 2785
diff changeset
300 }
2785
fa1095d42a5b Fixed bug with converting colorkey surface to texture
Sam Lantinga <slouken@libsdl.org>
parents: 2735
diff changeset
301
2786
Sam Lantinga <slouken@libsdl.org>
parents: 2785
diff changeset
302 if (!(surface->map->info.flags & SDL_COPY_COLORKEY) ||
Sam Lantinga <slouken@libsdl.org>
parents: 2785
diff changeset
303 !surface->format->Amask) {
Sam Lantinga <slouken@libsdl.org>
parents: 2785
diff changeset
304 return;
Sam Lantinga <slouken@libsdl.org>
parents: 2785
diff changeset
305 }
2785
fa1095d42a5b Fixed bug with converting colorkey surface to texture
Sam Lantinga <slouken@libsdl.org>
parents: 2735
diff changeset
306
2786
Sam Lantinga <slouken@libsdl.org>
parents: 2785
diff changeset
307 SDL_LockSurface(surface);
2785
fa1095d42a5b Fixed bug with converting colorkey surface to texture
Sam Lantinga <slouken@libsdl.org>
parents: 2735
diff changeset
308
2786
Sam Lantinga <slouken@libsdl.org>
parents: 2785
diff changeset
309 switch (surface->format->BytesPerPixel) {
Sam Lantinga <slouken@libsdl.org>
parents: 2785
diff changeset
310 case 2:
Sam Lantinga <slouken@libsdl.org>
parents: 2785
diff changeset
311 {
Sam Lantinga <slouken@libsdl.org>
parents: 2785
diff changeset
312 Uint16 *row, *spot;
Sam Lantinga <slouken@libsdl.org>
parents: 2785
diff changeset
313 Uint16 ckey = (Uint16) surface->map->info.colorkey;
Sam Lantinga <slouken@libsdl.org>
parents: 2785
diff changeset
314 Uint16 mask = (Uint16) (~surface->format->Amask);
2785
fa1095d42a5b Fixed bug with converting colorkey surface to texture
Sam Lantinga <slouken@libsdl.org>
parents: 2735
diff changeset
315
2786
Sam Lantinga <slouken@libsdl.org>
parents: 2785
diff changeset
316 row = (Uint16 *) surface->pixels;
Sam Lantinga <slouken@libsdl.org>
parents: 2785
diff changeset
317 for (y = surface->h; y--;) {
Sam Lantinga <slouken@libsdl.org>
parents: 2785
diff changeset
318 spot = row;
Sam Lantinga <slouken@libsdl.org>
parents: 2785
diff changeset
319 for (x = surface->w; x--;) {
Sam Lantinga <slouken@libsdl.org>
parents: 2785
diff changeset
320 if (*spot == ckey) {
Sam Lantinga <slouken@libsdl.org>
parents: 2785
diff changeset
321 *spot &= mask;
Sam Lantinga <slouken@libsdl.org>
parents: 2785
diff changeset
322 }
Sam Lantinga <slouken@libsdl.org>
parents: 2785
diff changeset
323 ++spot;
Sam Lantinga <slouken@libsdl.org>
parents: 2785
diff changeset
324 }
Sam Lantinga <slouken@libsdl.org>
parents: 2785
diff changeset
325 row += surface->pitch / 2;
Sam Lantinga <slouken@libsdl.org>
parents: 2785
diff changeset
326 }
Sam Lantinga <slouken@libsdl.org>
parents: 2785
diff changeset
327 }
Sam Lantinga <slouken@libsdl.org>
parents: 2785
diff changeset
328 break;
Sam Lantinga <slouken@libsdl.org>
parents: 2785
diff changeset
329 case 3:
Sam Lantinga <slouken@libsdl.org>
parents: 2785
diff changeset
330 /* FIXME */
Sam Lantinga <slouken@libsdl.org>
parents: 2785
diff changeset
331 break;
Sam Lantinga <slouken@libsdl.org>
parents: 2785
diff changeset
332 case 4:
Sam Lantinga <slouken@libsdl.org>
parents: 2785
diff changeset
333 {
Sam Lantinga <slouken@libsdl.org>
parents: 2785
diff changeset
334 Uint32 *row, *spot;
Sam Lantinga <slouken@libsdl.org>
parents: 2785
diff changeset
335 Uint32 ckey = surface->map->info.colorkey;
Sam Lantinga <slouken@libsdl.org>
parents: 2785
diff changeset
336 Uint32 mask = ~surface->format->Amask;
2785
fa1095d42a5b Fixed bug with converting colorkey surface to texture
Sam Lantinga <slouken@libsdl.org>
parents: 2735
diff changeset
337
2786
Sam Lantinga <slouken@libsdl.org>
parents: 2785
diff changeset
338 row = (Uint32 *) surface->pixels;
Sam Lantinga <slouken@libsdl.org>
parents: 2785
diff changeset
339 for (y = surface->h; y--;) {
Sam Lantinga <slouken@libsdl.org>
parents: 2785
diff changeset
340 spot = row;
Sam Lantinga <slouken@libsdl.org>
parents: 2785
diff changeset
341 for (x = surface->w; x--;) {
Sam Lantinga <slouken@libsdl.org>
parents: 2785
diff changeset
342 if (*spot == ckey) {
Sam Lantinga <slouken@libsdl.org>
parents: 2785
diff changeset
343 *spot &= mask;
Sam Lantinga <slouken@libsdl.org>
parents: 2785
diff changeset
344 }
Sam Lantinga <slouken@libsdl.org>
parents: 2785
diff changeset
345 ++spot;
Sam Lantinga <slouken@libsdl.org>
parents: 2785
diff changeset
346 }
Sam Lantinga <slouken@libsdl.org>
parents: 2785
diff changeset
347 row += surface->pitch / 4;
Sam Lantinga <slouken@libsdl.org>
parents: 2785
diff changeset
348 }
Sam Lantinga <slouken@libsdl.org>
parents: 2785
diff changeset
349 }
Sam Lantinga <slouken@libsdl.org>
parents: 2785
diff changeset
350 break;
Sam Lantinga <slouken@libsdl.org>
parents: 2785
diff changeset
351 }
2785
fa1095d42a5b Fixed bug with converting colorkey surface to texture
Sam Lantinga <slouken@libsdl.org>
parents: 2735
diff changeset
352
2786
Sam Lantinga <slouken@libsdl.org>
parents: 2785
diff changeset
353 SDL_UnlockSurface(surface);
2785
fa1095d42a5b Fixed bug with converting colorkey surface to texture
Sam Lantinga <slouken@libsdl.org>
parents: 2735
diff changeset
354
2786
Sam Lantinga <slouken@libsdl.org>
parents: 2785
diff changeset
355 SDL_SetColorKey(surface, 0, 0);
2884
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2859
diff changeset
356 SDL_SetSurfaceBlendMode(surface, SDL_BLENDMODE_BLEND);
2785
fa1095d42a5b Fixed bug with converting colorkey surface to texture
Sam Lantinga <slouken@libsdl.org>
parents: 2735
diff changeset
357 }
fa1095d42a5b Fixed bug with converting colorkey surface to texture
Sam Lantinga <slouken@libsdl.org>
parents: 2735
diff changeset
358
2267
c785543d1843 Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents: 2266
diff changeset
359 int
c785543d1843 Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents: 2266
diff changeset
360 SDL_SetSurfaceColorMod(SDL_Surface * surface, Uint8 r, Uint8 g, Uint8 b)
2266
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API
Sam Lantinga <slouken@libsdl.org>
parents: 2260
diff changeset
361 {
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API
Sam Lantinga <slouken@libsdl.org>
parents: 2260
diff changeset
362 int flags;
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API
Sam Lantinga <slouken@libsdl.org>
parents: 2260
diff changeset
363
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API
Sam Lantinga <slouken@libsdl.org>
parents: 2260
diff changeset
364 if (!surface) {
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API
Sam Lantinga <slouken@libsdl.org>
parents: 2260
diff changeset
365 return -1;
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
366 }
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
367
2266
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API
Sam Lantinga <slouken@libsdl.org>
parents: 2260
diff changeset
368 surface->map->info.r = r;
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API
Sam Lantinga <slouken@libsdl.org>
parents: 2260
diff changeset
369 surface->map->info.g = g;
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API
Sam Lantinga <slouken@libsdl.org>
parents: 2260
diff changeset
370 surface->map->info.b = b;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
371
2266
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API
Sam Lantinga <slouken@libsdl.org>
parents: 2260
diff changeset
372 flags = surface->map->info.flags;
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API
Sam Lantinga <slouken@libsdl.org>
parents: 2260
diff changeset
373 if (r != 0xFF || g != 0xFF || b != 0xFF) {
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API
Sam Lantinga <slouken@libsdl.org>
parents: 2260
diff changeset
374 surface->map->info.flags |= SDL_COPY_MODULATE_COLOR;
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
375 } else {
2266
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API
Sam Lantinga <slouken@libsdl.org>
parents: 2260
diff changeset
376 surface->map->info.flags &= ~SDL_COPY_MODULATE_COLOR;
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
377 }
2266
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API
Sam Lantinga <slouken@libsdl.org>
parents: 2260
diff changeset
378 if (surface->map->info.flags != flags) {
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
379 SDL_InvalidateMap(surface->map);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
380 }
2266
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API
Sam Lantinga <slouken@libsdl.org>
parents: 2260
diff changeset
381 return 0;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
382 }
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
383
2266
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API
Sam Lantinga <slouken@libsdl.org>
parents: 2260
diff changeset
384
2267
c785543d1843 Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents: 2266
diff changeset
385 int
c785543d1843 Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents: 2266
diff changeset
386 SDL_GetSurfaceColorMod(SDL_Surface * surface, Uint8 * r, Uint8 * g, Uint8 * b)
431
41cadcba32e8 Fixed SDL_DisplayFormatAlpha() on RGB surfaces with alpha
Sam Lantinga <slouken@libsdl.org>
parents: 422
diff changeset
387 {
2266
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API
Sam Lantinga <slouken@libsdl.org>
parents: 2260
diff changeset
388 if (!surface) {
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
389 return -1;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
390 }
2266
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API
Sam Lantinga <slouken@libsdl.org>
parents: 2260
diff changeset
391
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API
Sam Lantinga <slouken@libsdl.org>
parents: 2260
diff changeset
392 if (r) {
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API
Sam Lantinga <slouken@libsdl.org>
parents: 2260
diff changeset
393 *r = surface->map->info.r;
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API
Sam Lantinga <slouken@libsdl.org>
parents: 2260
diff changeset
394 }
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API
Sam Lantinga <slouken@libsdl.org>
parents: 2260
diff changeset
395 if (g) {
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API
Sam Lantinga <slouken@libsdl.org>
parents: 2260
diff changeset
396 *g = surface->map->info.g;
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API
Sam Lantinga <slouken@libsdl.org>
parents: 2260
diff changeset
397 }
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API
Sam Lantinga <slouken@libsdl.org>
parents: 2260
diff changeset
398 if (b) {
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API
Sam Lantinga <slouken@libsdl.org>
parents: 2260
diff changeset
399 *b = surface->map->info.b;
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
400 }
2266
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API
Sam Lantinga <slouken@libsdl.org>
parents: 2260
diff changeset
401 return 0;
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API
Sam Lantinga <slouken@libsdl.org>
parents: 2260
diff changeset
402 }
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API
Sam Lantinga <slouken@libsdl.org>
parents: 2260
diff changeset
403
2267
c785543d1843 Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents: 2266
diff changeset
404 int
c785543d1843 Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents: 2266
diff changeset
405 SDL_SetSurfaceAlphaMod(SDL_Surface * surface, Uint8 alpha)
2266
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API
Sam Lantinga <slouken@libsdl.org>
parents: 2260
diff changeset
406 {
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API
Sam Lantinga <slouken@libsdl.org>
parents: 2260
diff changeset
407 int flags;
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API
Sam Lantinga <slouken@libsdl.org>
parents: 2260
diff changeset
408
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API
Sam Lantinga <slouken@libsdl.org>
parents: 2260
diff changeset
409 if (!surface) {
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API
Sam Lantinga <slouken@libsdl.org>
parents: 2260
diff changeset
410 return -1;
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
411 }
431
41cadcba32e8 Fixed SDL_DisplayFormatAlpha() on RGB surfaces with alpha
Sam Lantinga <slouken@libsdl.org>
parents: 422
diff changeset
412
2266
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API
Sam Lantinga <slouken@libsdl.org>
parents: 2260
diff changeset
413 surface->map->info.a = alpha;
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API
Sam Lantinga <slouken@libsdl.org>
parents: 2260
diff changeset
414
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API
Sam Lantinga <slouken@libsdl.org>
parents: 2260
diff changeset
415 flags = surface->map->info.flags;
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API
Sam Lantinga <slouken@libsdl.org>
parents: 2260
diff changeset
416 if (alpha != 0xFF) {
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API
Sam Lantinga <slouken@libsdl.org>
parents: 2260
diff changeset
417 surface->map->info.flags |= SDL_COPY_MODULATE_ALPHA;
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API
Sam Lantinga <slouken@libsdl.org>
parents: 2260
diff changeset
418 } else {
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API
Sam Lantinga <slouken@libsdl.org>
parents: 2260
diff changeset
419 surface->map->info.flags &= ~SDL_COPY_MODULATE_ALPHA;
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API
Sam Lantinga <slouken@libsdl.org>
parents: 2260
diff changeset
420 }
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API
Sam Lantinga <slouken@libsdl.org>
parents: 2260
diff changeset
421 if (surface->map->info.flags != flags) {
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API
Sam Lantinga <slouken@libsdl.org>
parents: 2260
diff changeset
422 SDL_InvalidateMap(surface->map);
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
423 }
2266
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API
Sam Lantinga <slouken@libsdl.org>
parents: 2260
diff changeset
424 return 0;
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API
Sam Lantinga <slouken@libsdl.org>
parents: 2260
diff changeset
425 }
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API
Sam Lantinga <slouken@libsdl.org>
parents: 2260
diff changeset
426
2267
c785543d1843 Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents: 2266
diff changeset
427 int
c785543d1843 Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents: 2266
diff changeset
428 SDL_GetSurfaceAlphaMod(SDL_Surface * surface, Uint8 * alpha)
2266
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API
Sam Lantinga <slouken@libsdl.org>
parents: 2260
diff changeset
429 {
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API
Sam Lantinga <slouken@libsdl.org>
parents: 2260
diff changeset
430 if (!surface) {
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API
Sam Lantinga <slouken@libsdl.org>
parents: 2260
diff changeset
431 return -1;
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
432 }
2266
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API
Sam Lantinga <slouken@libsdl.org>
parents: 2260
diff changeset
433
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API
Sam Lantinga <slouken@libsdl.org>
parents: 2260
diff changeset
434 if (alpha) {
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API
Sam Lantinga <slouken@libsdl.org>
parents: 2260
diff changeset
435 *alpha = surface->map->info.a;
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
436 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
437 return 0;
431
41cadcba32e8 Fixed SDL_DisplayFormatAlpha() on RGB surfaces with alpha
Sam Lantinga <slouken@libsdl.org>
parents: 422
diff changeset
438 }
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
439
2267
c785543d1843 Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents: 2266
diff changeset
440 int
4929
aa8888658021 Use the enumerated type for blend and scale mode instead of int
Sam Lantinga <slouken@libsdl.org>
parents: 4491
diff changeset
441 SDL_SetSurfaceBlendMode(SDL_Surface * surface, SDL_BlendMode blendMode)
2266
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API
Sam Lantinga <slouken@libsdl.org>
parents: 2260
diff changeset
442 {
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API
Sam Lantinga <slouken@libsdl.org>
parents: 2260
diff changeset
443 int flags, status;
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API
Sam Lantinga <slouken@libsdl.org>
parents: 2260
diff changeset
444
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API
Sam Lantinga <slouken@libsdl.org>
parents: 2260
diff changeset
445 if (!surface) {
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API
Sam Lantinga <slouken@libsdl.org>
parents: 2260
diff changeset
446 return -1;
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API
Sam Lantinga <slouken@libsdl.org>
parents: 2260
diff changeset
447 }
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API
Sam Lantinga <slouken@libsdl.org>
parents: 2260
diff changeset
448
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API
Sam Lantinga <slouken@libsdl.org>
parents: 2260
diff changeset
449 status = 0;
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API
Sam Lantinga <slouken@libsdl.org>
parents: 2260
diff changeset
450 flags = surface->map->info.flags;
5143
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 5141
diff changeset
451 surface->map->info.flags &= ~(SDL_COPY_BLEND | SDL_COPY_ADD);
2266
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API
Sam Lantinga <slouken@libsdl.org>
parents: 2260
diff changeset
452 switch (blendMode) {
2884
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2859
diff changeset
453 case SDL_BLENDMODE_NONE:
2266
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API
Sam Lantinga <slouken@libsdl.org>
parents: 2260
diff changeset
454 break;
2884
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2859
diff changeset
455 case SDL_BLENDMODE_BLEND:
2266
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API
Sam Lantinga <slouken@libsdl.org>
parents: 2260
diff changeset
456 surface->map->info.flags |= SDL_COPY_BLEND;
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API
Sam Lantinga <slouken@libsdl.org>
parents: 2260
diff changeset
457 break;
2884
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2859
diff changeset
458 case SDL_BLENDMODE_ADD:
2266
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API
Sam Lantinga <slouken@libsdl.org>
parents: 2260
diff changeset
459 surface->map->info.flags |= SDL_COPY_ADD;
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API
Sam Lantinga <slouken@libsdl.org>
parents: 2260
diff changeset
460 break;
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API
Sam Lantinga <slouken@libsdl.org>
parents: 2260
diff changeset
461 default:
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API
Sam Lantinga <slouken@libsdl.org>
parents: 2260
diff changeset
462 SDL_Unsupported();
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API
Sam Lantinga <slouken@libsdl.org>
parents: 2260
diff changeset
463 status = -1;
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API
Sam Lantinga <slouken@libsdl.org>
parents: 2260
diff changeset
464 break;
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API
Sam Lantinga <slouken@libsdl.org>
parents: 2260
diff changeset
465 }
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API
Sam Lantinga <slouken@libsdl.org>
parents: 2260
diff changeset
466
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API
Sam Lantinga <slouken@libsdl.org>
parents: 2260
diff changeset
467 if (surface->map->info.flags != flags) {
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API
Sam Lantinga <slouken@libsdl.org>
parents: 2260
diff changeset
468 SDL_InvalidateMap(surface->map);
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API
Sam Lantinga <slouken@libsdl.org>
parents: 2260
diff changeset
469 }
2267
c785543d1843 Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents: 2266
diff changeset
470
c785543d1843 Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents: 2266
diff changeset
471 /* Compatibility mode */
c785543d1843 Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents: 2266
diff changeset
472 if (surface->map->info.flags & SDL_COPY_BLEND) {
c785543d1843 Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents: 2266
diff changeset
473 surface->flags |= SDL_SRCALPHA;
c785543d1843 Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents: 2266
diff changeset
474 } else {
c785543d1843 Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents: 2266
diff changeset
475 surface->flags &= ~SDL_SRCALPHA;
c785543d1843 Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents: 2266
diff changeset
476 }
c785543d1843 Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents: 2266
diff changeset
477
2266
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API
Sam Lantinga <slouken@libsdl.org>
parents: 2260
diff changeset
478 return status;
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API
Sam Lantinga <slouken@libsdl.org>
parents: 2260
diff changeset
479 }
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API
Sam Lantinga <slouken@libsdl.org>
parents: 2260
diff changeset
480
2267
c785543d1843 Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents: 2266
diff changeset
481 int
4929
aa8888658021 Use the enumerated type for blend and scale mode instead of int
Sam Lantinga <slouken@libsdl.org>
parents: 4491
diff changeset
482 SDL_GetSurfaceBlendMode(SDL_Surface * surface, SDL_BlendMode *blendMode)
2266
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API
Sam Lantinga <slouken@libsdl.org>
parents: 2260
diff changeset
483 {
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API
Sam Lantinga <slouken@libsdl.org>
parents: 2260
diff changeset
484 if (!surface) {
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API
Sam Lantinga <slouken@libsdl.org>
parents: 2260
diff changeset
485 return -1;
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API
Sam Lantinga <slouken@libsdl.org>
parents: 2260
diff changeset
486 }
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API
Sam Lantinga <slouken@libsdl.org>
parents: 2260
diff changeset
487
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API
Sam Lantinga <slouken@libsdl.org>
parents: 2260
diff changeset
488 if (!blendMode) {
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API
Sam Lantinga <slouken@libsdl.org>
parents: 2260
diff changeset
489 return 0;
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API
Sam Lantinga <slouken@libsdl.org>
parents: 2260
diff changeset
490 }
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API
Sam Lantinga <slouken@libsdl.org>
parents: 2260
diff changeset
491
5143
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 5141
diff changeset
492 switch (surface->map->info.flags & (SDL_COPY_BLEND | SDL_COPY_ADD)) {
2266
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API
Sam Lantinga <slouken@libsdl.org>
parents: 2260
diff changeset
493 case SDL_COPY_BLEND:
2884
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2859
diff changeset
494 *blendMode = SDL_BLENDMODE_BLEND;
2266
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API
Sam Lantinga <slouken@libsdl.org>
parents: 2260
diff changeset
495 break;
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API
Sam Lantinga <slouken@libsdl.org>
parents: 2260
diff changeset
496 case SDL_COPY_ADD:
2884
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2859
diff changeset
497 *blendMode = SDL_BLENDMODE_ADD;
2266
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API
Sam Lantinga <slouken@libsdl.org>
parents: 2260
diff changeset
498 break;
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API
Sam Lantinga <slouken@libsdl.org>
parents: 2260
diff changeset
499 default:
2884
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2859
diff changeset
500 *blendMode = SDL_BLENDMODE_NONE;
2266
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API
Sam Lantinga <slouken@libsdl.org>
parents: 2260
diff changeset
501 break;
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API
Sam Lantinga <slouken@libsdl.org>
parents: 2260
diff changeset
502 }
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API
Sam Lantinga <slouken@libsdl.org>
parents: 2260
diff changeset
503 return 0;
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API
Sam Lantinga <slouken@libsdl.org>
parents: 2260
diff changeset
504 }
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API
Sam Lantinga <slouken@libsdl.org>
parents: 2260
diff changeset
505
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
506 SDL_bool
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
507 SDL_SetClipRect(SDL_Surface * surface, const SDL_Rect * rect)
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
508 {
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
509 SDL_Rect full_rect;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
510
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
511 /* Don't do anything if there's no surface to act on */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
512 if (!surface) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
513 return SDL_FALSE;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
514 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
515
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
516 /* Set up the full surface rectangle */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
517 full_rect.x = 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
518 full_rect.y = 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
519 full_rect.w = surface->w;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
520 full_rect.h = surface->h;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
521
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
522 /* Set the clipping rectangle */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
523 if (!rect) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
524 surface->clip_rect = full_rect;
4966
a130bc2f0a18 Fixed return value
Sam Lantinga <slouken@libsdl.org>
parents: 4949
diff changeset
525 return SDL_TRUE;
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
526 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
527 return SDL_IntersectRect(rect, &full_rect, &surface->clip_rect);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
528 }
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
529
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
530 void
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
531 SDL_GetClipRect(SDL_Surface * surface, SDL_Rect * rect)
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
532 {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
533 if (surface && rect) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
534 *rect = surface->clip_rect;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
535 }
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
536 }
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
537
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
538 /*
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
539 * Set up a blit between two surfaces -- split into three parts:
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
540 * The upper part, SDL_UpperBlit(), performs clipping and rectangle
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
541 * verification. The lower part is a pointer to a low level
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
542 * accelerated blitting function.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
543 *
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
544 * These parts are separated out and each used internally by this
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
545 * library in the optimimum places. They are exported so that if
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
546 * you know exactly what you are doing, you can optimize your code
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
547 * by calling the one(s) you need.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
548 */
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
549 int
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
550 SDL_LowerBlit(SDL_Surface * src, SDL_Rect * srcrect,
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
551 SDL_Surface * dst, SDL_Rect * dstrect)
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
552 {
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
553 /* Check to make sure the blit mapping is valid */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
554 if ((src->map->dst != dst) ||
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
555 (src->map->dst->format_version != src->map->format_version)) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
556 if (SDL_MapSurface(src, dst) < 0) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
557 return (-1);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
558 }
2328
91e601d9df8b re: bug#563. checking in some commented out trace code and a fix so that the in testalpha.c the background only flashes when alpha == 255. The problem that is being
Bob Pendleton <bob@pendleton.com>
parents: 2267
diff changeset
559 /* just here for debugging */
2329
c1a390f6a819 ran make indent
Bob Pendleton <bob@pendleton.com>
parents: 2328
diff changeset
560 /* printf */
c1a390f6a819 ran make indent
Bob Pendleton <bob@pendleton.com>
parents: 2328
diff changeset
561 /* ("src = 0x%08X src->flags = %08X src->map->info.flags = %08x\ndst = 0x%08X dst->flags = %08X dst->map->info.flags = %08X\nsrc->map->blit = 0x%08x\n", */
c1a390f6a819 ran make indent
Bob Pendleton <bob@pendleton.com>
parents: 2328
diff changeset
562 /* src, dst->flags, src->map->info.flags, dst, dst->flags, */
c1a390f6a819 ran make indent
Bob Pendleton <bob@pendleton.com>
parents: 2328
diff changeset
563 /* dst->map->info.flags, src->map->blit); */
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
564 }
2257
340942cfda48 Moved the colorkey and per-surface alpha into the blit info,
Sam Lantinga <slouken@libsdl.org>
parents: 2253
diff changeset
565 return (src->map->blit(src, srcrect, dst, dstrect));
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
566 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
567
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
568
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
569 int
4949
68da5a234bba The source rectangle isn't modified in SDL_UpperBlit
Sam Lantinga <slouken@libsdl.org>
parents: 4929
diff changeset
570 SDL_UpperBlit(SDL_Surface * src, const SDL_Rect * srcrect,
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
571 SDL_Surface * dst, SDL_Rect * dstrect)
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
572 {
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
573 SDL_Rect fulldst;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
574 int srcx, srcy, w, h;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
575
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
576 /* Make sure the surfaces aren't locked */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
577 if (!src || !dst) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
578 SDL_SetError("SDL_UpperBlit: passed a NULL surface");
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
579 return (-1);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
580 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
581 if (src->locked || dst->locked) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
582 SDL_SetError("Surfaces must not be locked during blit");
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
583 return (-1);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
584 }
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
585
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
586 /* If the destination rectangle is NULL, use the entire dest surface */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
587 if (dstrect == NULL) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
588 fulldst.x = fulldst.y = 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
589 dstrect = &fulldst;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
590 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
591
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
592 /* clip the source rectangle to the source surface */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
593 if (srcrect) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
594 int maxw, maxh;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
595
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
596 srcx = srcrect->x;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
597 w = srcrect->w;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
598 if (srcx < 0) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
599 w += srcx;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
600 dstrect->x -= srcx;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
601 srcx = 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
602 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
603 maxw = src->w - srcx;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
604 if (maxw < w)
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
605 w = maxw;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
606
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
607 srcy = srcrect->y;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
608 h = srcrect->h;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
609 if (srcy < 0) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
610 h += srcy;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
611 dstrect->y -= srcy;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
612 srcy = 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
613 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
614 maxh = src->h - srcy;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
615 if (maxh < h)
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
616 h = maxh;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
617
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
618 } else {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
619 srcx = srcy = 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
620 w = src->w;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
621 h = src->h;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
622 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
623
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
624 /* clip the destination rectangle against the clip rectangle */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
625 {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
626 SDL_Rect *clip = &dst->clip_rect;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
627 int dx, dy;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
628
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
629 dx = clip->x - dstrect->x;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
630 if (dx > 0) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
631 w -= dx;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
632 dstrect->x += dx;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
633 srcx += dx;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
634 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
635 dx = dstrect->x + w - clip->x - clip->w;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
636 if (dx > 0)
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
637 w -= dx;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
638
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
639 dy = clip->y - dstrect->y;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
640 if (dy > 0) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
641 h -= dy;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
642 dstrect->y += dy;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
643 srcy += dy;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
644 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
645 dy = dstrect->y + h - clip->y - clip->h;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
646 if (dy > 0)
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
647 h -= dy;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
648 }
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
649
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
650 if (w > 0 && h > 0) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
651 SDL_Rect sr;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
652 sr.x = srcx;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
653 sr.y = srcy;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
654 sr.w = dstrect->w = w;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
655 sr.h = dstrect->h = h;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
656 return SDL_LowerBlit(src, &sr, dst, dstrect);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
657 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
658 dstrect->w = dstrect->h = 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
659 return 0;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
660 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
661
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
662 /*
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
663 * Lock a surface to directly access the pixels
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
664 */
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
665 int
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
666 SDL_LockSurface(SDL_Surface * surface)
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
667 {
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
668 if (!surface->locked) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
669 /* Perform the lock */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
670 if (surface->flags & SDL_RLEACCEL) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
671 SDL_UnRLESurface(surface, 1);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
672 surface->flags |= SDL_RLEACCEL; /* save accel'd state */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
673 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
674 }
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
675
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
676 /* Increment the surface lock count, for recursive locks */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
677 ++surface->locked;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
678
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
679 /* Ready to go.. */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
680 return (0);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
681 }
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
682
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
683 /*
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
684 * Unlock a previously locked surface
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
685 */
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
686 void
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
687 SDL_UnlockSurface(SDL_Surface * surface)
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
688 {
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
689 /* Only perform an unlock if we are locked */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
690 if (!surface->locked || (--surface->locked > 0)) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
691 return;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
692 }
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
693
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
694 /* Update RLE encoded surface with new data */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
695 if ((surface->flags & SDL_RLEACCEL) == SDL_RLEACCEL) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
696 surface->flags &= ~SDL_RLEACCEL; /* stop lying */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
697 SDL_RLESurface(surface);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
698 }
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
699 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
700
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
701 /*
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
702 * Convert a surface into the specified pixel format.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
703 */
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
704 SDL_Surface *
2807
365fe1a2aad5 The SDL_RLEACCEL flag is respected in SDL_ConvertSurface(), per the docs.
Sam Lantinga <slouken@libsdl.org>
parents: 2787
diff changeset
705 SDL_ConvertSurface(SDL_Surface * surface, SDL_PixelFormat * format,
365fe1a2aad5 The SDL_RLEACCEL flag is respected in SDL_ConvertSurface(), per the docs.
Sam Lantinga <slouken@libsdl.org>
parents: 2787
diff changeset
706 Uint32 flags)
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
707 {
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
708 SDL_Surface *convert;
2266
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API
Sam Lantinga <slouken@libsdl.org>
parents: 2260
diff changeset
709 Uint32 copy_flags;
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
710 SDL_Rect bounds;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
711
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
712 /* Check for empty destination palette! (results in empty image) */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
713 if (format->palette != NULL) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
714 int i;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
715 for (i = 0; i < format->palette->ncolors; ++i) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
716 if ((format->palette->colors[i].r != 0xFF) ||
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
717 (format->palette->colors[i].g != 0xFF) ||
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
718 (format->palette->colors[i].b != 0xFF))
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
719 break;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
720 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
721 if (i == format->palette->ncolors) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
722 SDL_SetError("Empty destination palette");
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
723 return (NULL);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
724 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
725 }
264
c9cd3b564e4b *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 252
diff changeset
726
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
727 /* Create a new surface with the desired format */
2807
365fe1a2aad5 The SDL_RLEACCEL flag is respected in SDL_ConvertSurface(), per the docs.
Sam Lantinga <slouken@libsdl.org>
parents: 2787
diff changeset
728 convert = SDL_CreateRGBSurface(flags, surface->w, surface->h,
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
729 format->BitsPerPixel, format->Rmask,
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
730 format->Gmask, format->Bmask,
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
731 format->Amask);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
732 if (convert == NULL) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
733 return (NULL);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
734 }
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
735
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
736 /* Copy the palette if any */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
737 if (format->palette && convert->format->palette) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
738 SDL_memcpy(convert->format->palette->colors,
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
739 format->palette->colors,
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
740 format->palette->ncolors * sizeof(SDL_Color));
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
741 convert->format->palette->ncolors = format->palette->ncolors;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
742 }
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
743
2266
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API
Sam Lantinga <slouken@libsdl.org>
parents: 2260
diff changeset
744 /* Save the original copy flags */
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API
Sam Lantinga <slouken@libsdl.org>
parents: 2260
diff changeset
745 copy_flags = surface->map->info.flags;
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API
Sam Lantinga <slouken@libsdl.org>
parents: 2260
diff changeset
746 surface->map->info.flags = 0;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
747
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
748 /* Copy over the image data */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
749 bounds.x = 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
750 bounds.y = 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
751 bounds.w = surface->w;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
752 bounds.h = surface->h;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
753 SDL_LowerBlit(surface, &bounds, convert, &bounds);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
754
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
755 /* Clean up the original surface, and update converted surface */
2824
4dba7aa7ea77 Added slow but complete blit fallback
Sam Lantinga <slouken@libsdl.org>
parents: 2807
diff changeset
756 convert->map->info.r = surface->map->info.r;
4dba7aa7ea77 Added slow but complete blit fallback
Sam Lantinga <slouken@libsdl.org>
parents: 2807
diff changeset
757 convert->map->info.g = surface->map->info.g;
4dba7aa7ea77 Added slow but complete blit fallback
Sam Lantinga <slouken@libsdl.org>
parents: 2807
diff changeset
758 convert->map->info.b = surface->map->info.b;
4dba7aa7ea77 Added slow but complete blit fallback
Sam Lantinga <slouken@libsdl.org>
parents: 2807
diff changeset
759 convert->map->info.a = surface->map->info.a;
4dba7aa7ea77 Added slow but complete blit fallback
Sam Lantinga <slouken@libsdl.org>
parents: 2807
diff changeset
760 convert->map->info.flags =
4dba7aa7ea77 Added slow but complete blit fallback
Sam Lantinga <slouken@libsdl.org>
parents: 2807
diff changeset
761 (copy_flags &
4dba7aa7ea77 Added slow but complete blit fallback
Sam Lantinga <slouken@libsdl.org>
parents: 2807
diff changeset
762 ~(SDL_COPY_COLORKEY | SDL_COPY_BLEND
4dba7aa7ea77 Added slow but complete blit fallback
Sam Lantinga <slouken@libsdl.org>
parents: 2807
diff changeset
763 | SDL_COPY_RLE_DESIRED | SDL_COPY_RLE_COLORKEY |
4dba7aa7ea77 Added slow but complete blit fallback
Sam Lantinga <slouken@libsdl.org>
parents: 2807
diff changeset
764 SDL_COPY_RLE_ALPHAKEY));
4dba7aa7ea77 Added slow but complete blit fallback
Sam Lantinga <slouken@libsdl.org>
parents: 2807
diff changeset
765 surface->map->info.flags = copy_flags;
2266
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API
Sam Lantinga <slouken@libsdl.org>
parents: 2260
diff changeset
766 if (copy_flags & SDL_COPY_COLORKEY) {
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API
Sam Lantinga <slouken@libsdl.org>
parents: 2260
diff changeset
767 Uint8 keyR, keyG, keyB, keyA;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
768
2267
c785543d1843 Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents: 2266
diff changeset
769 SDL_GetRGBA(surface->map->info.colorkey, surface->format, &keyR,
c785543d1843 Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents: 2266
diff changeset
770 &keyG, &keyB, &keyA);
2266
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API
Sam Lantinga <slouken@libsdl.org>
parents: 2260
diff changeset
771 SDL_SetColorKey(convert, 1,
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API
Sam Lantinga <slouken@libsdl.org>
parents: 2260
diff changeset
772 SDL_MapRGBA(convert->format, keyR, keyG, keyB, keyA));
2824
4dba7aa7ea77 Added slow but complete blit fallback
Sam Lantinga <slouken@libsdl.org>
parents: 2807
diff changeset
773 /* This is needed when converting for 3D texture upload */
2787
93764fe8601a It turns out both the software and the OpenGL renderer had the same problem.
Sam Lantinga <slouken@libsdl.org>
parents: 2786
diff changeset
774 SDL_ConvertColorkeyToAlpha(convert);
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
775 }
2824
4dba7aa7ea77 Added slow but complete blit fallback
Sam Lantinga <slouken@libsdl.org>
parents: 2807
diff changeset
776 SDL_SetClipRect(convert, &surface->clip_rect);
2266
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API
Sam Lantinga <slouken@libsdl.org>
parents: 2260
diff changeset
777
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API
Sam Lantinga <slouken@libsdl.org>
parents: 2260
diff changeset
778 /* Enable alpha blending by default if the new surface has an
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API
Sam Lantinga <slouken@libsdl.org>
parents: 2260
diff changeset
779 * alpha channel or alpha modulation */
2824
4dba7aa7ea77 Added slow but complete blit fallback
Sam Lantinga <slouken@libsdl.org>
parents: 2807
diff changeset
780 if ((surface->format->Amask && format->Amask) ||
4491
2cd7bb613a83 Turn on blending if we're converting from a surface with colorkey enabled
Sam Lantinga <slouken@libsdl.org>
parents: 4461
diff changeset
781 (copy_flags & (SDL_COPY_COLORKEY|SDL_COPY_MODULATE_ALPHA))) {
2884
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 2859
diff changeset
782 SDL_SetSurfaceBlendMode(convert, SDL_BLENDMODE_BLEND);
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
783 }
2824
4dba7aa7ea77 Added slow but complete blit fallback
Sam Lantinga <slouken@libsdl.org>
parents: 2807
diff changeset
784 if ((copy_flags & SDL_COPY_RLE_DESIRED) || (flags & SDL_RLEACCEL)) {
4dba7aa7ea77 Added slow but complete blit fallback
Sam Lantinga <slouken@libsdl.org>
parents: 2807
diff changeset
785 SDL_SetSurfaceRLE(convert, SDL_RLEACCEL);
4dba7aa7ea77 Added slow but complete blit fallback
Sam Lantinga <slouken@libsdl.org>
parents: 2807
diff changeset
786 }
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
787
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
788 /* We're ready to go! */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
789 return (convert);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
790 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
791
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
792 /*
3434
147d6ef5be03 Added a utility function to convert blocks of pixels
Sam Lantinga <slouken@libsdl.org>
parents: 3103
diff changeset
793 * Create a surface on the stack for quick blit operations
147d6ef5be03 Added a utility function to convert blocks of pixels
Sam Lantinga <slouken@libsdl.org>
parents: 3103
diff changeset
794 */
147d6ef5be03 Added a utility function to convert blocks of pixels
Sam Lantinga <slouken@libsdl.org>
parents: 3103
diff changeset
795 static __inline__ SDL_bool
147d6ef5be03 Added a utility function to convert blocks of pixels
Sam Lantinga <slouken@libsdl.org>
parents: 3103
diff changeset
796 SDL_CreateSurfaceOnStack(int width, int height, Uint32 pixel_format,
147d6ef5be03 Added a utility function to convert blocks of pixels
Sam Lantinga <slouken@libsdl.org>
parents: 3103
diff changeset
797 void * pixels, int pitch, SDL_Surface * surface,
147d6ef5be03 Added a utility function to convert blocks of pixels
Sam Lantinga <slouken@libsdl.org>
parents: 3103
diff changeset
798 SDL_PixelFormat * format, SDL_BlitMap * blitmap)
147d6ef5be03 Added a utility function to convert blocks of pixels
Sam Lantinga <slouken@libsdl.org>
parents: 3103
diff changeset
799 {
147d6ef5be03 Added a utility function to convert blocks of pixels
Sam Lantinga <slouken@libsdl.org>
parents: 3103
diff changeset
800 int bpp;
147d6ef5be03 Added a utility function to convert blocks of pixels
Sam Lantinga <slouken@libsdl.org>
parents: 3103
diff changeset
801 Uint32 Rmask, Gmask, Bmask, Amask;
147d6ef5be03 Added a utility function to convert blocks of pixels
Sam Lantinga <slouken@libsdl.org>
parents: 3103
diff changeset
802
147d6ef5be03 Added a utility function to convert blocks of pixels
Sam Lantinga <slouken@libsdl.org>
parents: 3103
diff changeset
803 if (!SDL_PixelFormatEnumToMasks(pixel_format,
147d6ef5be03 Added a utility function to convert blocks of pixels
Sam Lantinga <slouken@libsdl.org>
parents: 3103
diff changeset
804 &bpp, &Rmask, &Gmask, &Bmask, &Amask)) {
147d6ef5be03 Added a utility function to convert blocks of pixels
Sam Lantinga <slouken@libsdl.org>
parents: 3103
diff changeset
805 return SDL_FALSE;
147d6ef5be03 Added a utility function to convert blocks of pixels
Sam Lantinga <slouken@libsdl.org>
parents: 3103
diff changeset
806 }
147d6ef5be03 Added a utility function to convert blocks of pixels
Sam Lantinga <slouken@libsdl.org>
parents: 3103
diff changeset
807 if (bpp <= 8) {
147d6ef5be03 Added a utility function to convert blocks of pixels
Sam Lantinga <slouken@libsdl.org>
parents: 3103
diff changeset
808 SDL_SetError("Indexed pixel formats not supported");
147d6ef5be03 Added a utility function to convert blocks of pixels
Sam Lantinga <slouken@libsdl.org>
parents: 3103
diff changeset
809 return SDL_FALSE;
147d6ef5be03 Added a utility function to convert blocks of pixels
Sam Lantinga <slouken@libsdl.org>
parents: 3103
diff changeset
810 }
147d6ef5be03 Added a utility function to convert blocks of pixels
Sam Lantinga <slouken@libsdl.org>
parents: 3103
diff changeset
811
147d6ef5be03 Added a utility function to convert blocks of pixels
Sam Lantinga <slouken@libsdl.org>
parents: 3103
diff changeset
812 SDL_zerop(surface);
147d6ef5be03 Added a utility function to convert blocks of pixels
Sam Lantinga <slouken@libsdl.org>
parents: 3103
diff changeset
813 surface->flags = SDL_PREALLOC;
147d6ef5be03 Added a utility function to convert blocks of pixels
Sam Lantinga <slouken@libsdl.org>
parents: 3103
diff changeset
814 surface->format = SDL_InitFormat(format, bpp, Rmask, Gmask, Bmask, Amask);
147d6ef5be03 Added a utility function to convert blocks of pixels
Sam Lantinga <slouken@libsdl.org>
parents: 3103
diff changeset
815 surface->pixels = pixels;
147d6ef5be03 Added a utility function to convert blocks of pixels
Sam Lantinga <slouken@libsdl.org>
parents: 3103
diff changeset
816 surface->w = width;
147d6ef5be03 Added a utility function to convert blocks of pixels
Sam Lantinga <slouken@libsdl.org>
parents: 3103
diff changeset
817 surface->h = height;
147d6ef5be03 Added a utility function to convert blocks of pixels
Sam Lantinga <slouken@libsdl.org>
parents: 3103
diff changeset
818 surface->pitch = pitch;
147d6ef5be03 Added a utility function to convert blocks of pixels
Sam Lantinga <slouken@libsdl.org>
parents: 3103
diff changeset
819 /* We don't actually need to set up the clip rect for our purposes */
147d6ef5be03 Added a utility function to convert blocks of pixels
Sam Lantinga <slouken@libsdl.org>
parents: 3103
diff changeset
820 /*SDL_SetClipRect(surface, NULL);*/
147d6ef5be03 Added a utility function to convert blocks of pixels
Sam Lantinga <slouken@libsdl.org>
parents: 3103
diff changeset
821
147d6ef5be03 Added a utility function to convert blocks of pixels
Sam Lantinga <slouken@libsdl.org>
parents: 3103
diff changeset
822 /* Allocate an empty mapping */
147d6ef5be03 Added a utility function to convert blocks of pixels
Sam Lantinga <slouken@libsdl.org>
parents: 3103
diff changeset
823 SDL_zerop(blitmap);
147d6ef5be03 Added a utility function to convert blocks of pixels
Sam Lantinga <slouken@libsdl.org>
parents: 3103
diff changeset
824 blitmap->info.r = 0xFF;
147d6ef5be03 Added a utility function to convert blocks of pixels
Sam Lantinga <slouken@libsdl.org>
parents: 3103
diff changeset
825 blitmap->info.g = 0xFF;
147d6ef5be03 Added a utility function to convert blocks of pixels
Sam Lantinga <slouken@libsdl.org>
parents: 3103
diff changeset
826 blitmap->info.b = 0xFF;
147d6ef5be03 Added a utility function to convert blocks of pixels
Sam Lantinga <slouken@libsdl.org>
parents: 3103
diff changeset
827 blitmap->info.a = 0xFF;
147d6ef5be03 Added a utility function to convert blocks of pixels
Sam Lantinga <slouken@libsdl.org>
parents: 3103
diff changeset
828 surface->map = blitmap;
147d6ef5be03 Added a utility function to convert blocks of pixels
Sam Lantinga <slouken@libsdl.org>
parents: 3103
diff changeset
829 SDL_FormatChanged(surface);
147d6ef5be03 Added a utility function to convert blocks of pixels
Sam Lantinga <slouken@libsdl.org>
parents: 3103
diff changeset
830
147d6ef5be03 Added a utility function to convert blocks of pixels
Sam Lantinga <slouken@libsdl.org>
parents: 3103
diff changeset
831 /* The surface is ready to go */
147d6ef5be03 Added a utility function to convert blocks of pixels
Sam Lantinga <slouken@libsdl.org>
parents: 3103
diff changeset
832 surface->refcount = 1;
147d6ef5be03 Added a utility function to convert blocks of pixels
Sam Lantinga <slouken@libsdl.org>
parents: 3103
diff changeset
833 return SDL_TRUE;
147d6ef5be03 Added a utility function to convert blocks of pixels
Sam Lantinga <slouken@libsdl.org>
parents: 3103
diff changeset
834 }
147d6ef5be03 Added a utility function to convert blocks of pixels
Sam Lantinga <slouken@libsdl.org>
parents: 3103
diff changeset
835
147d6ef5be03 Added a utility function to convert blocks of pixels
Sam Lantinga <slouken@libsdl.org>
parents: 3103
diff changeset
836 /*
147d6ef5be03 Added a utility function to convert blocks of pixels
Sam Lantinga <slouken@libsdl.org>
parents: 3103
diff changeset
837 * Copy a block of pixels of one format to another format
147d6ef5be03 Added a utility function to convert blocks of pixels
Sam Lantinga <slouken@libsdl.org>
parents: 3103
diff changeset
838 */
147d6ef5be03 Added a utility function to convert blocks of pixels
Sam Lantinga <slouken@libsdl.org>
parents: 3103
diff changeset
839 int SDL_ConvertPixels(int width, int height,
147d6ef5be03 Added a utility function to convert blocks of pixels
Sam Lantinga <slouken@libsdl.org>
parents: 3103
diff changeset
840 Uint32 src_format, const void * src, int src_pitch,
147d6ef5be03 Added a utility function to convert blocks of pixels
Sam Lantinga <slouken@libsdl.org>
parents: 3103
diff changeset
841 Uint32 dst_format, void * dst, int dst_pitch)
147d6ef5be03 Added a utility function to convert blocks of pixels
Sam Lantinga <slouken@libsdl.org>
parents: 3103
diff changeset
842 {
147d6ef5be03 Added a utility function to convert blocks of pixels
Sam Lantinga <slouken@libsdl.org>
parents: 3103
diff changeset
843 SDL_Surface src_surface, dst_surface;
147d6ef5be03 Added a utility function to convert blocks of pixels
Sam Lantinga <slouken@libsdl.org>
parents: 3103
diff changeset
844 SDL_PixelFormat src_fmt, dst_fmt;
147d6ef5be03 Added a utility function to convert blocks of pixels
Sam Lantinga <slouken@libsdl.org>
parents: 3103
diff changeset
845 SDL_BlitMap src_blitmap, dst_blitmap;
147d6ef5be03 Added a utility function to convert blocks of pixels
Sam Lantinga <slouken@libsdl.org>
parents: 3103
diff changeset
846 SDL_Rect rect;
147d6ef5be03 Added a utility function to convert blocks of pixels
Sam Lantinga <slouken@libsdl.org>
parents: 3103
diff changeset
847
147d6ef5be03 Added a utility function to convert blocks of pixels
Sam Lantinga <slouken@libsdl.org>
parents: 3103
diff changeset
848 /* Fast path for same format copy */
147d6ef5be03 Added a utility function to convert blocks of pixels
Sam Lantinga <slouken@libsdl.org>
parents: 3103
diff changeset
849 if (src_format == dst_format) {
147d6ef5be03 Added a utility function to convert blocks of pixels
Sam Lantinga <slouken@libsdl.org>
parents: 3103
diff changeset
850 int bpp;
147d6ef5be03 Added a utility function to convert blocks of pixels
Sam Lantinga <slouken@libsdl.org>
parents: 3103
diff changeset
851
147d6ef5be03 Added a utility function to convert blocks of pixels
Sam Lantinga <slouken@libsdl.org>
parents: 3103
diff changeset
852 if (SDL_ISPIXELFORMAT_FOURCC(src_format)) {
147d6ef5be03 Added a utility function to convert blocks of pixels
Sam Lantinga <slouken@libsdl.org>
parents: 3103
diff changeset
853 switch (src_format) {
147d6ef5be03 Added a utility function to convert blocks of pixels
Sam Lantinga <slouken@libsdl.org>
parents: 3103
diff changeset
854 case SDL_PIXELFORMAT_YV12:
147d6ef5be03 Added a utility function to convert blocks of pixels
Sam Lantinga <slouken@libsdl.org>
parents: 3103
diff changeset
855 case SDL_PIXELFORMAT_IYUV:
147d6ef5be03 Added a utility function to convert blocks of pixels
Sam Lantinga <slouken@libsdl.org>
parents: 3103
diff changeset
856 case SDL_PIXELFORMAT_YUY2:
147d6ef5be03 Added a utility function to convert blocks of pixels
Sam Lantinga <slouken@libsdl.org>
parents: 3103
diff changeset
857 case SDL_PIXELFORMAT_UYVY:
147d6ef5be03 Added a utility function to convert blocks of pixels
Sam Lantinga <slouken@libsdl.org>
parents: 3103
diff changeset
858 case SDL_PIXELFORMAT_YVYU:
147d6ef5be03 Added a utility function to convert blocks of pixels
Sam Lantinga <slouken@libsdl.org>
parents: 3103
diff changeset
859 bpp = 2;
147d6ef5be03 Added a utility function to convert blocks of pixels
Sam Lantinga <slouken@libsdl.org>
parents: 3103
diff changeset
860 default:
147d6ef5be03 Added a utility function to convert blocks of pixels
Sam Lantinga <slouken@libsdl.org>
parents: 3103
diff changeset
861 SDL_SetError("Unknown FOURCC pixel format");
147d6ef5be03 Added a utility function to convert blocks of pixels
Sam Lantinga <slouken@libsdl.org>
parents: 3103
diff changeset
862 return -1;
147d6ef5be03 Added a utility function to convert blocks of pixels
Sam Lantinga <slouken@libsdl.org>
parents: 3103
diff changeset
863 }
147d6ef5be03 Added a utility function to convert blocks of pixels
Sam Lantinga <slouken@libsdl.org>
parents: 3103
diff changeset
864 } else {
147d6ef5be03 Added a utility function to convert blocks of pixels
Sam Lantinga <slouken@libsdl.org>
parents: 3103
diff changeset
865 bpp = SDL_BYTESPERPIXEL(src_format);
147d6ef5be03 Added a utility function to convert blocks of pixels
Sam Lantinga <slouken@libsdl.org>
parents: 3103
diff changeset
866 }
147d6ef5be03 Added a utility function to convert blocks of pixels
Sam Lantinga <slouken@libsdl.org>
parents: 3103
diff changeset
867 width *= bpp;
147d6ef5be03 Added a utility function to convert blocks of pixels
Sam Lantinga <slouken@libsdl.org>
parents: 3103
diff changeset
868
147d6ef5be03 Added a utility function to convert blocks of pixels
Sam Lantinga <slouken@libsdl.org>
parents: 3103
diff changeset
869 while (height-- > 0) {
147d6ef5be03 Added a utility function to convert blocks of pixels
Sam Lantinga <slouken@libsdl.org>
parents: 3103
diff changeset
870 SDL_memcpy(dst, src, width);
147d6ef5be03 Added a utility function to convert blocks of pixels
Sam Lantinga <slouken@libsdl.org>
parents: 3103
diff changeset
871 src = (Uint8*)src + src_pitch;
147d6ef5be03 Added a utility function to convert blocks of pixels
Sam Lantinga <slouken@libsdl.org>
parents: 3103
diff changeset
872 dst = (Uint8*)dst + dst_pitch;
147d6ef5be03 Added a utility function to convert blocks of pixels
Sam Lantinga <slouken@libsdl.org>
parents: 3103
diff changeset
873 }
147d6ef5be03 Added a utility function to convert blocks of pixels
Sam Lantinga <slouken@libsdl.org>
parents: 3103
diff changeset
874 return SDL_TRUE;
147d6ef5be03 Added a utility function to convert blocks of pixels
Sam Lantinga <slouken@libsdl.org>
parents: 3103
diff changeset
875 }
147d6ef5be03 Added a utility function to convert blocks of pixels
Sam Lantinga <slouken@libsdl.org>
parents: 3103
diff changeset
876
147d6ef5be03 Added a utility function to convert blocks of pixels
Sam Lantinga <slouken@libsdl.org>
parents: 3103
diff changeset
877 if (!SDL_CreateSurfaceOnStack(width, height, src_format, (void*)src,
147d6ef5be03 Added a utility function to convert blocks of pixels
Sam Lantinga <slouken@libsdl.org>
parents: 3103
diff changeset
878 src_pitch,
147d6ef5be03 Added a utility function to convert blocks of pixels
Sam Lantinga <slouken@libsdl.org>
parents: 3103
diff changeset
879 &src_surface, &src_fmt, &src_blitmap)) {
147d6ef5be03 Added a utility function to convert blocks of pixels
Sam Lantinga <slouken@libsdl.org>
parents: 3103
diff changeset
880 return -1;
147d6ef5be03 Added a utility function to convert blocks of pixels
Sam Lantinga <slouken@libsdl.org>
parents: 3103
diff changeset
881 }
147d6ef5be03 Added a utility function to convert blocks of pixels
Sam Lantinga <slouken@libsdl.org>
parents: 3103
diff changeset
882 if (!SDL_CreateSurfaceOnStack(width, height, dst_format, dst, dst_pitch,
147d6ef5be03 Added a utility function to convert blocks of pixels
Sam Lantinga <slouken@libsdl.org>
parents: 3103
diff changeset
883 &dst_surface, &dst_fmt, &dst_blitmap)) {
147d6ef5be03 Added a utility function to convert blocks of pixels
Sam Lantinga <slouken@libsdl.org>
parents: 3103
diff changeset
884 return -1;
147d6ef5be03 Added a utility function to convert blocks of pixels
Sam Lantinga <slouken@libsdl.org>
parents: 3103
diff changeset
885 }
147d6ef5be03 Added a utility function to convert blocks of pixels
Sam Lantinga <slouken@libsdl.org>
parents: 3103
diff changeset
886
147d6ef5be03 Added a utility function to convert blocks of pixels
Sam Lantinga <slouken@libsdl.org>
parents: 3103
diff changeset
887 /* Set up the rect and go! */
147d6ef5be03 Added a utility function to convert blocks of pixels
Sam Lantinga <slouken@libsdl.org>
parents: 3103
diff changeset
888 rect.x = 0;
147d6ef5be03 Added a utility function to convert blocks of pixels
Sam Lantinga <slouken@libsdl.org>
parents: 3103
diff changeset
889 rect.y = 0;
147d6ef5be03 Added a utility function to convert blocks of pixels
Sam Lantinga <slouken@libsdl.org>
parents: 3103
diff changeset
890 rect.w = width;
3436
0538362b98d3 Fixed memory corruption in SW_RenderReadPixels()
Sam Lantinga <slouken@libsdl.org>
parents: 3434
diff changeset
891 rect.h = height;
3434
147d6ef5be03 Added a utility function to convert blocks of pixels
Sam Lantinga <slouken@libsdl.org>
parents: 3103
diff changeset
892 return SDL_LowerBlit(&src_surface, &rect, &dst_surface, &rect);
147d6ef5be03 Added a utility function to convert blocks of pixels
Sam Lantinga <slouken@libsdl.org>
parents: 3103
diff changeset
893 }
147d6ef5be03 Added a utility function to convert blocks of pixels
Sam Lantinga <slouken@libsdl.org>
parents: 3103
diff changeset
894
147d6ef5be03 Added a utility function to convert blocks of pixels
Sam Lantinga <slouken@libsdl.org>
parents: 3103
diff changeset
895 /*
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
896 * Free a surface created by the above function.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
897 */
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
898 void
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
899 SDL_FreeSurface(SDL_Surface * surface)
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
900 {
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
901 if (surface == NULL) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
902 return;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
903 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
904 if (--surface->refcount > 0) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
905 return;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
906 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
907 while (surface->locked > 0) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
908 SDL_UnlockSurface(surface);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
909 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
910 if (surface->flags & SDL_RLEACCEL) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
911 SDL_UnRLESurface(surface, 0);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
912 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
913 if (surface->format) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
914 SDL_SetSurfacePalette(surface, NULL);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
915 SDL_FreeFormat(surface->format);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
916 surface->format = NULL;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
917 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
918 if (surface->map != NULL) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
919 SDL_FreeBlitMap(surface->map);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
920 surface->map = NULL;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
921 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
922 if (surface->pixels && ((surface->flags & SDL_PREALLOC) != SDL_PREALLOC)) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
923 SDL_free(surface->pixels);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
924 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
925 SDL_free(surface);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
926 #ifdef CHECK_LEAKS
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
927 --surfaces_allocated;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
928 #endif
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
929 }
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
930
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1456
diff changeset
931 /* vi: set ts=4 sw=4 expandtab: */