annotate src/video/SDL_shape.c @ 4861:b67815cf9f25

Merged no changes?
author Sam Lantinga <slouken@libsdl.org>
date Sun, 22 Aug 2010 12:43:27 -0700
parents 8f1994e8d886 4201864f77e7
children 58265e606e4e
rev   line source
4765
5ff305de5834 Added stub files, working on sample program SDLeyes.
Eli Gottlieb <eligottlieb@gmail.com>
parents:
diff changeset
1 /*
5ff305de5834 Added stub files, working on sample program SDLeyes.
Eli Gottlieb <eligottlieb@gmail.com>
parents:
diff changeset
2 SDL - Simple DirectMedia Layer
5ff305de5834 Added stub files, working on sample program SDLeyes.
Eli Gottlieb <eligottlieb@gmail.com>
parents:
diff changeset
3 Copyright (C) 2010 Eli Gottlieb
5ff305de5834 Added stub files, working on sample program SDLeyes.
Eli Gottlieb <eligottlieb@gmail.com>
parents:
diff changeset
4
5ff305de5834 Added stub files, working on sample program SDLeyes.
Eli Gottlieb <eligottlieb@gmail.com>
parents:
diff changeset
5 This library is free software; you can redistribute it and/or
5ff305de5834 Added stub files, working on sample program SDLeyes.
Eli Gottlieb <eligottlieb@gmail.com>
parents:
diff changeset
6 modify it under the terms of the GNU Lesser General Public
5ff305de5834 Added stub files, working on sample program SDLeyes.
Eli Gottlieb <eligottlieb@gmail.com>
parents:
diff changeset
7 License as published by the Free Software Foundation; either
5ff305de5834 Added stub files, working on sample program SDLeyes.
Eli Gottlieb <eligottlieb@gmail.com>
parents:
diff changeset
8 version 2.1 of the License, or (at your option) any later version.
5ff305de5834 Added stub files, working on sample program SDLeyes.
Eli Gottlieb <eligottlieb@gmail.com>
parents:
diff changeset
9
5ff305de5834 Added stub files, working on sample program SDLeyes.
Eli Gottlieb <eligottlieb@gmail.com>
parents:
diff changeset
10 This library is distributed in the hope that it will be useful,
5ff305de5834 Added stub files, working on sample program SDLeyes.
Eli Gottlieb <eligottlieb@gmail.com>
parents:
diff changeset
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
5ff305de5834 Added stub files, working on sample program SDLeyes.
Eli Gottlieb <eligottlieb@gmail.com>
parents:
diff changeset
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
5ff305de5834 Added stub files, working on sample program SDLeyes.
Eli Gottlieb <eligottlieb@gmail.com>
parents:
diff changeset
13 Lesser General Public License for more details.
5ff305de5834 Added stub files, working on sample program SDLeyes.
Eli Gottlieb <eligottlieb@gmail.com>
parents:
diff changeset
14
5ff305de5834 Added stub files, working on sample program SDLeyes.
Eli Gottlieb <eligottlieb@gmail.com>
parents:
diff changeset
15 You should have received a copy of the GNU Lesser General Public
5ff305de5834 Added stub files, working on sample program SDLeyes.
Eli Gottlieb <eligottlieb@gmail.com>
parents:
diff changeset
16 License along with this library; if not, write to the Free Software
5ff305de5834 Added stub files, working on sample program SDLeyes.
Eli Gottlieb <eligottlieb@gmail.com>
parents:
diff changeset
17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
5ff305de5834 Added stub files, working on sample program SDLeyes.
Eli Gottlieb <eligottlieb@gmail.com>
parents:
diff changeset
18
5ff305de5834 Added stub files, working on sample program SDLeyes.
Eli Gottlieb <eligottlieb@gmail.com>
parents:
diff changeset
19 Eli Gottlieb
5ff305de5834 Added stub files, working on sample program SDLeyes.
Eli Gottlieb <eligottlieb@gmail.com>
parents:
diff changeset
20 eligottlieb@gmail.com
5ff305de5834 Added stub files, working on sample program SDLeyes.
Eli Gottlieb <eligottlieb@gmail.com>
parents:
diff changeset
21 */
4769
83f9b95da263 Added the standard headers and footers that make SDL_shape.h and SDL_shape.c integrate properly into the build.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4766
diff changeset
22 #include "SDL_config.h"
4776
29dcad9c58b3 Removed and added back SDL_shape.{c,h} wholesale. Will this get them tracked properly?
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4775
diff changeset
23
4769
83f9b95da263 Added the standard headers and footers that make SDL_shape.h and SDL_shape.c integrate properly into the build.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4766
diff changeset
24 #include "SDL.h"
4841
740e833b2c00 Fixed overwriting of SDL_shape.c in merge.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4839
diff changeset
25 #include "SDL_assert.h"
4769
83f9b95da263 Added the standard headers and footers that make SDL_shape.h and SDL_shape.c integrate properly into the build.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4766
diff changeset
26 #include "SDL_video.h"
83f9b95da263 Added the standard headers and footers that make SDL_shape.h and SDL_shape.c integrate properly into the build.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4766
diff changeset
27 #include "SDL_sysvideo.h"
4782
b6930aefd008 Finished X11 shaped-window functionality and removed ellipse+polygon rendering.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4781
diff changeset
28 #include "SDL_pixels.h"
b6930aefd008 Finished X11 shaped-window functionality and removed ellipse+polygon rendering.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4781
diff changeset
29 #include "SDL_surface.h"
4765
5ff305de5834 Added stub files, working on sample program SDLeyes.
Eli Gottlieb <eligottlieb@gmail.com>
parents:
diff changeset
30 #include "SDL_shape.h"
4841
740e833b2c00 Fixed overwriting of SDL_shape.c in merge.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4839
diff changeset
31 #include "SDL_shape_internals.h"
4766
7b50faf23907 Moved SDL_shape.h, and building out the API as needed by SDL_Eyes.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4765
diff changeset
32
4843
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
33 SDL_Window*
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
34 SDL_CreateShapedWindow(const char *title,unsigned int x,unsigned int y,unsigned int w,unsigned int h,Uint32 flags) {
4855
6d4d6605a0d3 Set flag bits *exactly* as Andreas showed me in his screenshot. This shouldn't be different, but what do I know about C's order of operations?
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4852
diff changeset
35 SDL_Window *result = NULL;
4860
8f1994e8d886 Create all shaped windows at -1000,-1000 and save the real coordinates.
egottlieb
parents: 4856
diff changeset
36 result = SDL_CreateWindow(title,-1000,-1000,w,h,(flags | SDL_WINDOW_BORDERLESS) & (~SDL_WINDOW_FULLSCREEN) & (~SDL_WINDOW_RESIZABLE) /*& (~SDL_WINDOW_SHOWN)*/);
4843
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
37 if(result != NULL) {
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
38 result->shaper = result->display->device->shape_driver.CreateShaper(result);
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
39 if(result->shaper != NULL) {
4851
5624fb0190b5 Changed flags and positioning (for the fake-hiding) as Andreas recommended.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4850
diff changeset
40 result->shaper->userx = x;
5624fb0190b5 Changed flags and positioning (for the fake-hiding) as Andreas recommended.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4850
diff changeset
41 result->shaper->usery = y;
4843
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
42 result->shaper->mode.mode = ShapeModeDefault;
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
43 result->shaper->mode.parameters.binarizationCutoff = 1;
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
44 result->shaper->hasshape = SDL_FALSE;
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
45 return result;
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
46 }
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
47 else {
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
48 SDL_DestroyWindow(result);
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
49 return NULL;
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
50 }
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
51 }
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
52 else
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
53 return NULL;
4766
7b50faf23907 Moved SDL_shape.h, and building out the API as needed by SDL_Eyes.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4765
diff changeset
54 }
7b50faf23907 Moved SDL_shape.h, and building out the API as needed by SDL_Eyes.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4765
diff changeset
55
4843
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
56 SDL_bool
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
57 SDL_IsShapedWindow(const SDL_Window *window) {
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
58 if(window == NULL)
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
59 return SDL_FALSE;
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
60 else
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
61 return (SDL_bool)(window->shaper != NULL);
4782
b6930aefd008 Finished X11 shaped-window functionality and removed ellipse+polygon rendering.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4781
diff changeset
62 }
b6930aefd008 Finished X11 shaped-window functionality and removed ellipse+polygon rendering.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4781
diff changeset
63
4813
5b4c7d7d8953 Wrote out the system for breaking shape-masks into quad-trees of rectangles, and added code to conglomerate those quad-trees of rectangles into regions for setting shapes under Win32.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4810
diff changeset
64 /* REQUIRES that bitmap point to a w-by-h bitmap with ppb pixels-per-byte. */
4843
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
65 void
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
66 SDL_CalculateShapeBitmap(SDL_WindowShapeMode mode,SDL_Surface *shape,Uint8* bitmap,Uint8 ppb) {
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
67 int x = 0;
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
68 int y = 0;
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
69 Uint8 r = 0,g = 0,b = 0,alpha = 0;
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
70 Uint8* pixel = NULL;
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
71 Uint32 bitmap_pixel,pixel_value = 0,mask_value = 0;
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
72 SDL_Color key;
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
73 if(SDL_MUSTLOCK(shape))
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
74 SDL_LockSurface(shape);
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
75 pixel = (Uint8*)shape->pixels;
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
76 for(y = 0;y<shape->h;y++) {
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
77 for(x=0;x<shape->w;x++) {
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
78 alpha = 0;
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
79 pixel_value = 0;
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
80 pixel = (Uint8 *)(shape->pixels) + (y*shape->pitch) + (x*shape->format->BytesPerPixel);
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
81 switch(shape->format->BytesPerPixel) {
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
82 case(1):
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
83 pixel_value = *(Uint8*)pixel;
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
84 break;
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
85 case(2):
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
86 pixel_value = *(Uint16*)pixel;
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
87 break;
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
88 case(3):
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
89 pixel_value = *(Uint32*)pixel & (~shape->format->Amask);
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
90 break;
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
91 case(4):
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
92 pixel_value = *(Uint32*)pixel;
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
93 break;
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
94 }
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
95 SDL_GetRGBA(pixel_value,shape->format,&r,&g,&b,&alpha);
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
96 bitmap_pixel = y*shape->w + x;
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
97 switch(mode.mode) {
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
98 case(ShapeModeDefault):
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
99 mask_value = (alpha >= 1 ? 1 : 0);
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
100 break;
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
101 case(ShapeModeBinarizeAlpha):
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
102 mask_value = (alpha >= mode.parameters.binarizationCutoff ? 1 : 0);
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
103 break;
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
104 case(ShapeModeReverseBinarizeAlpha):
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
105 mask_value = (alpha <= mode.parameters.binarizationCutoff ? 1 : 0);
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
106 break;
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
107 case(ShapeModeColorKey):
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
108 key = mode.parameters.colorKey;
4846
4f1573996a65 Fixed a bug in X11 shaping that refused to use color-key mode.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4843
diff changeset
109 mask_value = ((key.r != r || key.g != g || key.b != b) ? 1 : 0);
4843
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
110 break;
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
111 }
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
112 bitmap[bitmap_pixel / ppb] |= mask_value << (7 - ((ppb - 1) - (bitmap_pixel % ppb)));
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
113 }
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
114 }
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
115 if(SDL_MUSTLOCK(shape))
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
116 SDL_UnlockSurface(shape);
4766
7b50faf23907 Moved SDL_shape.h, and building out the API as needed by SDL_Eyes.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4765
diff changeset
117 }
7b50faf23907 Moved SDL_shape.h, and building out the API as needed by SDL_Eyes.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4765
diff changeset
118
4843
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
119 SDL_ShapeTree*
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
120 RecursivelyCalculateShapeTree(SDL_WindowShapeMode mode,SDL_Surface* mask,SDL_Rect dimensions) {
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
121 int x = 0,y = 0;
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
122 Uint8* pixel = NULL;
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
123 Uint32 pixel_value = 0;
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
124 Uint8 r = 0,g = 0,b = 0,a = 0;
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
125 SDL_bool pixel_opaque = SDL_FALSE;
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
126 int last_opaque = -1;
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
127 SDL_Color key;
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
128 SDL_ShapeTree* result = (SDL_ShapeTree*)SDL_malloc(sizeof(SDL_ShapeTree));
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
129 SDL_Rect next = {0,0,0,0};
4852
c19c729eb201 Added hiding-as-positioning trick and finally fixed flags.
egottlieb
parents: 4851
diff changeset
130 for(y=dimensions.y;y<dimensions.y + dimensions.h;y++) {
4843
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
131 for(x=dimensions.x;x<dimensions.x + dimensions.w;x++) {
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
132 pixel_value = 0;
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
133 pixel = (Uint8 *)(mask->pixels) + (y*mask->pitch) + (x*mask->format->BytesPerPixel);
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
134 switch(mask->format->BytesPerPixel) {
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
135 case(1):
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
136 pixel_value = *(Uint8*)pixel;
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
137 break;
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
138 case(2):
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
139 pixel_value = *(Uint16*)pixel;
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
140 break;
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
141 case(3):
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
142 pixel_value = *(Uint32*)pixel & (~mask->format->Amask);
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
143 break;
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
144 case(4):
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
145 pixel_value = *(Uint32*)pixel;
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
146 break;
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
147 }
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
148 SDL_GetRGBA(pixel_value,mask->format,&r,&g,&b,&a);
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
149 switch(mode.mode) {
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
150 case(ShapeModeDefault):
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
151 pixel_opaque = (a >= 1 ? SDL_TRUE : SDL_FALSE);
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
152 break;
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
153 case(ShapeModeBinarizeAlpha):
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
154 pixel_opaque = (a >= mode.parameters.binarizationCutoff ? SDL_TRUE : SDL_FALSE);
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
155 break;
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
156 case(ShapeModeReverseBinarizeAlpha):
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
157 pixel_opaque = (a <= mode.parameters.binarizationCutoff ? SDL_TRUE : SDL_FALSE);
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
158 break;
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
159 case(ShapeModeColorKey):
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
160 key = mode.parameters.colorKey;
4850
14870d46ee2d Mostly seem to have fixed SDL_CalculateShapeTree. Mostly. There still seem to be some rendering artifacts, stepping effects, and such on Windows -- which indicates subtle logic errors in SDL_CalculateShapeTree().
egottlieb
parents: 4849
diff changeset
161 pixel_opaque = ((key.r != r || key.g != g || key.b != b) ? SDL_TRUE : SDL_FALSE);
4843
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
162 break;
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
163 }
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
164 if(last_opaque == -1)
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
165 last_opaque = pixel_opaque;
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
166 if(last_opaque != pixel_opaque) {
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
167 result->kind = QuadShape;
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
168 //These will stay the same.
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
169 next.w = dimensions.w / 2;
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
170 next.h = dimensions.h / 2;
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
171 //These will change from recursion to recursion.
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
172 next.x = dimensions.x;
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
173 next.y = dimensions.y;
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
174 result->data.children.upleft = (struct SDL_ShapeTree *)RecursivelyCalculateShapeTree(mode,mask,next);
4850
14870d46ee2d Mostly seem to have fixed SDL_CalculateShapeTree. Mostly. There still seem to be some rendering artifacts, stepping effects, and such on Windows -- which indicates subtle logic errors in SDL_CalculateShapeTree().
egottlieb
parents: 4849
diff changeset
175 next.x += next.w;
4843
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
176 //Unneeded: next.y = dimensions.y;
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
177 result->data.children.upright = (struct SDL_ShapeTree *)RecursivelyCalculateShapeTree(mode,mask,next);
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
178 next.x = dimensions.x;
4850
14870d46ee2d Mostly seem to have fixed SDL_CalculateShapeTree. Mostly. There still seem to be some rendering artifacts, stepping effects, and such on Windows -- which indicates subtle logic errors in SDL_CalculateShapeTree().
egottlieb
parents: 4849
diff changeset
179 next.y += next.h;
4843
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
180 result->data.children.downleft = (struct SDL_ShapeTree *)RecursivelyCalculateShapeTree(mode,mask,next);
4850
14870d46ee2d Mostly seem to have fixed SDL_CalculateShapeTree. Mostly. There still seem to be some rendering artifacts, stepping effects, and such on Windows -- which indicates subtle logic errors in SDL_CalculateShapeTree().
egottlieb
parents: 4849
diff changeset
181 next.x += next.w;
14870d46ee2d Mostly seem to have fixed SDL_CalculateShapeTree. Mostly. There still seem to be some rendering artifacts, stepping effects, and such on Windows -- which indicates subtle logic errors in SDL_CalculateShapeTree().
egottlieb
parents: 4849
diff changeset
182 //Unneeded: next.y = dimensions.y + dimensions.h /2;
4843
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
183 result->data.children.downright = (struct SDL_ShapeTree *)RecursivelyCalculateShapeTree(mode,mask,next);
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
184 return result;
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
185 }
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
186 }
4852
c19c729eb201 Added hiding-as-positioning trick and finally fixed flags.
egottlieb
parents: 4851
diff changeset
187 }
4843
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
188 //If we never recursed, all the pixels in this quadrant have the same "value".
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
189 result->kind = (last_opaque == SDL_TRUE ? OpaqueShape : TransparentShape);
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
190 result->data.shape = dimensions;
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
191 return result;
4813
5b4c7d7d8953 Wrote out the system for breaking shape-masks into quad-trees of rectangles, and added code to conglomerate those quad-trees of rectangles into regions for setting shapes under Win32.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4810
diff changeset
192 }
5b4c7d7d8953 Wrote out the system for breaking shape-masks into quad-trees of rectangles, and added code to conglomerate those quad-trees of rectangles into regions for setting shapes under Win32.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4810
diff changeset
193
4843
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
194 SDL_ShapeTree*
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
195 SDL_CalculateShapeTree(SDL_WindowShapeMode mode,SDL_Surface* shape) {
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
196 SDL_Rect dimensions = {0,0,shape->w,shape->h};
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
197 SDL_ShapeTree* result = NULL;
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
198 if(SDL_MUSTLOCK(shape))
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
199 SDL_LockSurface(shape);
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
200 result = RecursivelyCalculateShapeTree(mode,shape,dimensions);
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
201 if(SDL_MUSTLOCK(shape))
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
202 SDL_UnlockSurface(shape);
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
203 return result;
4813
5b4c7d7d8953 Wrote out the system for breaking shape-masks into quad-trees of rectangles, and added code to conglomerate those quad-trees of rectangles into regions for setting shapes under Win32.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4810
diff changeset
204 }
5b4c7d7d8953 Wrote out the system for breaking shape-masks into quad-trees of rectangles, and added code to conglomerate those quad-trees of rectangles into regions for setting shapes under Win32.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4810
diff changeset
205
4843
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
206 void
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
207 SDL_TraverseShapeTree(SDL_ShapeTree *tree,SDL_TraversalFunction function,void* closure) {
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
208 SDL_assert(tree != NULL);
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
209 if(tree->kind == QuadShape) {
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
210 SDL_TraverseShapeTree((SDL_ShapeTree *)tree->data.children.upleft,function,closure);
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
211 SDL_TraverseShapeTree((SDL_ShapeTree *)tree->data.children.upright,function,closure);
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
212 SDL_TraverseShapeTree((SDL_ShapeTree *)tree->data.children.downleft,function,closure);
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
213 SDL_TraverseShapeTree((SDL_ShapeTree *)tree->data.children.downright,function,closure);
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
214 }
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
215 else
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
216 function(tree,closure);
4813
5b4c7d7d8953 Wrote out the system for breaking shape-masks into quad-trees of rectangles, and added code to conglomerate those quad-trees of rectangles into regions for setting shapes under Win32.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4810
diff changeset
217 }
5b4c7d7d8953 Wrote out the system for breaking shape-masks into quad-trees of rectangles, and added code to conglomerate those quad-trees of rectangles into regions for setting shapes under Win32.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4810
diff changeset
218
4843
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
219 void
4850
14870d46ee2d Mostly seem to have fixed SDL_CalculateShapeTree. Mostly. There still seem to be some rendering artifacts, stepping effects, and such on Windows -- which indicates subtle logic errors in SDL_CalculateShapeTree().
egottlieb
parents: 4849
diff changeset
220 SDL_FreeShapeTree(SDL_ShapeTree** shape_tree) {
14870d46ee2d Mostly seem to have fixed SDL_CalculateShapeTree. Mostly. There still seem to be some rendering artifacts, stepping effects, and such on Windows -- which indicates subtle logic errors in SDL_CalculateShapeTree().
egottlieb
parents: 4849
diff changeset
221 if((*shape_tree)->kind == QuadShape) {
14870d46ee2d Mostly seem to have fixed SDL_CalculateShapeTree. Mostly. There still seem to be some rendering artifacts, stepping effects, and such on Windows -- which indicates subtle logic errors in SDL_CalculateShapeTree().
egottlieb
parents: 4849
diff changeset
222 SDL_FreeShapeTree((SDL_ShapeTree **)&(*shape_tree)->data.children.upleft);
14870d46ee2d Mostly seem to have fixed SDL_CalculateShapeTree. Mostly. There still seem to be some rendering artifacts, stepping effects, and such on Windows -- which indicates subtle logic errors in SDL_CalculateShapeTree().
egottlieb
parents: 4849
diff changeset
223 SDL_FreeShapeTree((SDL_ShapeTree **)&(*shape_tree)->data.children.upright);
14870d46ee2d Mostly seem to have fixed SDL_CalculateShapeTree. Mostly. There still seem to be some rendering artifacts, stepping effects, and such on Windows -- which indicates subtle logic errors in SDL_CalculateShapeTree().
egottlieb
parents: 4849
diff changeset
224 SDL_FreeShapeTree((SDL_ShapeTree **)&(*shape_tree)->data.children.downleft);
14870d46ee2d Mostly seem to have fixed SDL_CalculateShapeTree. Mostly. There still seem to be some rendering artifacts, stepping effects, and such on Windows -- which indicates subtle logic errors in SDL_CalculateShapeTree().
egottlieb
parents: 4849
diff changeset
225 SDL_FreeShapeTree((SDL_ShapeTree **)&(*shape_tree)->data.children.downright);
4843
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
226 }
4850
14870d46ee2d Mostly seem to have fixed SDL_CalculateShapeTree. Mostly. There still seem to be some rendering artifacts, stepping effects, and such on Windows -- which indicates subtle logic errors in SDL_CalculateShapeTree().
egottlieb
parents: 4849
diff changeset
227 SDL_free(*shape_tree);
14870d46ee2d Mostly seem to have fixed SDL_CalculateShapeTree. Mostly. There still seem to be some rendering artifacts, stepping effects, and such on Windows -- which indicates subtle logic errors in SDL_CalculateShapeTree().
egottlieb
parents: 4849
diff changeset
228 *shape_tree = NULL;
4813
5b4c7d7d8953 Wrote out the system for breaking shape-masks into quad-trees of rectangles, and added code to conglomerate those quad-trees of rectangles into regions for setting shapes under Win32.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4810
diff changeset
229 }
5b4c7d7d8953 Wrote out the system for breaking shape-masks into quad-trees of rectangles, and added code to conglomerate those quad-trees of rectangles into regions for setting shapes under Win32.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4810
diff changeset
230
4843
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
231 int
4847
4201864f77e7 Fixing variable naming style.
egottlieb
parents: 4846
diff changeset
232 SDL_SetWindowShape(SDL_Window *window,SDL_Surface *shape,SDL_WindowShapeMode *shape_mode) {
4843
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
233 int result;
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
234 if(window == NULL || !SDL_IsShapedWindow(window))
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
235 //The window given was not a shapeable window.
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
236 return SDL_NONSHAPEABLE_WINDOW;
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
237 if(shape == NULL)
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
238 //Invalid shape argument.
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
239 return SDL_INVALID_SHAPE_ARGUMENT;
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
240
4847
4201864f77e7 Fixing variable naming style.
egottlieb
parents: 4846
diff changeset
241 if(shape_mode != NULL)
4201864f77e7 Fixing variable naming style.
egottlieb
parents: 4846
diff changeset
242 window->shaper->mode = *shape_mode;
4201864f77e7 Fixing variable naming style.
egottlieb
parents: 4846
diff changeset
243 result = window->display->device->shape_driver.SetWindowShape(window->shaper,shape,shape_mode);
4843
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
244 window->shaper->hasshape = SDL_TRUE;
4852
c19c729eb201 Added hiding-as-positioning trick and finally fixed flags.
egottlieb
parents: 4851
diff changeset
245 if(window->shaper->userx != 0 && window->shaper->usery != 0) {
4851
5624fb0190b5 Changed flags and positioning (for the fake-hiding) as Andreas recommended.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4850
diff changeset
246 SDL_SetWindowPosition(window,window->shaper->userx,window->shaper->usery);
5624fb0190b5 Changed flags and positioning (for the fake-hiding) as Andreas recommended.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4850
diff changeset
247 window->shaper->userx = 0;
5624fb0190b5 Changed flags and positioning (for the fake-hiding) as Andreas recommended.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4850
diff changeset
248 window->shaper->usery = 0;
4843
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
249 }
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
250 return result;
4782
b6930aefd008 Finished X11 shaped-window functionality and removed ellipse+polygon rendering.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4781
diff changeset
251 }
b6930aefd008 Finished X11 shaped-window functionality and removed ellipse+polygon rendering.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4781
diff changeset
252
4843
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
253 SDL_bool
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
254 SDL_WindowHasAShape(SDL_Window *window) {
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
255 if (window == NULL || !SDL_IsShapedWindow(window))
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
256 return SDL_FALSE;
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
257 return window->shaper->hasshape;
4778
9838d3525a1b Stubbed out the new get/set parameter functions, added the start of the enum, union, and struct for those parameters themselves, and added doxygen comments throughout the SDL_shape.h header.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4776
diff changeset
258 }
9838d3525a1b Stubbed out the new get/set parameter functions, added the start of the enum, union, and struct for those parameters themselves, and added doxygen comments throughout the SDL_shape.h header.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4776
diff changeset
259
4843
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
260 int
4847
4201864f77e7 Fixing variable naming style.
egottlieb
parents: 4846
diff changeset
261 SDL_GetShapedWindowMode(SDL_Window *window,SDL_WindowShapeMode *shape_mode) {
4843
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
262 if(window != NULL && SDL_IsShapedWindow(window)) {
4847
4201864f77e7 Fixing variable naming style.
egottlieb
parents: 4846
diff changeset
263 if(shape_mode == NULL) {
4843
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
264 if(SDL_WindowHasAShape(window))
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
265 //The window given has a shape.
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
266 return 0;
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
267 else
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
268 //The window given is shapeable but lacks a shape.
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
269 return SDL_WINDOW_LACKS_SHAPE;
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
270 }
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
271 else {
4847
4201864f77e7 Fixing variable naming style.
egottlieb
parents: 4846
diff changeset
272 *shape_mode = window->shaper->mode;
4843
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
273 return 0;
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
274 }
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
275 }
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
276 else
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
277 //The window given is not a valid shapeable window.
0998d1b5dd23 Fixed formatting of SDL_shape.c post-merge again.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4841
diff changeset
278 return SDL_NONSHAPEABLE_WINDOW;
4778
9838d3525a1b Stubbed out the new get/set parameter functions, added the start of the enum, union, and struct for those parameters themselves, and added doxygen comments throughout the SDL_shape.h header.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4776
diff changeset
279 }