Mercurial > sdl-ios-xcode

annotate src/video/SDL_shape.c @ 5006:8e8876e4aec6

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Include windows.h in SDL_atomic.h by default, but don't include the atomic API in SDL.h This allows all SDL code to take advantage of the atomic intrinsics on Windows, but doesn't cause applications just including SDL.h to pull in windows.h
author Sam Lantinga <slouken@libsdl.org>
date Sun, 16 Jan 2011 17:45:42 -0800
parents b67815cf9f25
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 }