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annotate src/video/SDL_shape.c @ 4841:740e833b2c00

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Fixed overwriting of SDL_shape.c in merge.
author Eli Gottlieb <eligottlieb@gmail.com>
date Mon, 09 Aug 2010 20:27:45 -0400
parents 05d172e92b52
children 0998d1b5dd23
rev   line source
4765
5ff305de5834 Added stub files, working on sample program SDLeyes.
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1 /*
5ff305de5834 Added stub files, working on sample program SDLeyes.
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2 SDL - Simple DirectMedia Layer
5ff305de5834 Added stub files, working on sample program SDLeyes.
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3 Copyright (C) 2010 Eli Gottlieb
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4
5ff305de5834 Added stub files, working on sample program SDLeyes.
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5 This library is free software; you can redistribute it and/or
5ff305de5834 Added stub files, working on sample program SDLeyes.
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6 modify it under the terms of the GNU Lesser General Public
5ff305de5834 Added stub files, working on sample program SDLeyes.
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7 License as published by the Free Software Foundation; either
5ff305de5834 Added stub files, working on sample program SDLeyes.
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8 version 2.1 of the License, or (at your option) any later version.
5ff305de5834 Added stub files, working on sample program SDLeyes.
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9
5ff305de5834 Added stub files, working on sample program SDLeyes.
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10 This library is distributed in the hope that it will be useful,
5ff305de5834 Added stub files, working on sample program SDLeyes.
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of
5ff305de5834 Added stub files, working on sample program SDLeyes.
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
5ff305de5834 Added stub files, working on sample program SDLeyes.
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13 Lesser General Public License for more details.
5ff305de5834 Added stub files, working on sample program SDLeyes.
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14
5ff305de5834 Added stub files, working on sample program SDLeyes.
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15 You should have received a copy of the GNU Lesser General Public
5ff305de5834 Added stub files, working on sample program SDLeyes.
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16 License along with this library; if not, write to the Free Software
5ff305de5834 Added stub files, working on sample program SDLeyes.
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17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
5ff305de5834 Added stub files, working on sample program SDLeyes.
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18
5ff305de5834 Added stub files, working on sample program SDLeyes.
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19 Eli Gottlieb
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20 eligottlieb@gmail.com
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21 */
4769
83f9b95da263 Added the standard headers and footers that make SDL_shape.h and SDL_shape.c integrate properly into the build.
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22 #include "SDL_config.h"
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29dcad9c58b3 Removed and added back SDL_shape.{c,h} wholesale. Will this get them tracked properly?
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23
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24 #include "SDL.h"
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25 #include "SDL_assert.h"
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83f9b95da263 Added the standard headers and footers that make SDL_shape.h and SDL_shape.c integrate properly into the build.
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26 #include "SDL_video.h"
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27 #include "SDL_sysvideo.h"
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b6930aefd008 Finished X11 shaped-window functionality and removed ellipse+polygon rendering.
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28 #include "SDL_pixels.h"
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29 #include "SDL_surface.h"
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30 #include "SDL_shape.h"
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31 #include "SDL_shape_internals.h"
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7b50faf23907 Moved SDL_shape.h, and building out the API as needed by SDL_Eyes.
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32
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33 SDL_Window* SDL_CreateShapedWindow(const char *title,unsigned int x,unsigned int y,unsigned int w,unsigned int h,Uint32 flags) {
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34 SDL_Window *result = SDL_CreateWindow(title,x,y,w,h,SDL_WINDOW_BORDERLESS | flags & !SDL_WINDOW_FULLSCREEN & !SDL_WINDOW_SHOWN);
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35 if(result != NULL) {
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36 result->shaper = result->display->device->shape_driver.CreateShaper(result);
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37 if(result->shaper != NULL) {
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38 result->shaper->usershownflag = flags & SDL_WINDOW_SHOWN;
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39 result->shaper->mode.mode = ShapeModeDefault;
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40 result->shaper->mode.parameters.binarizationCutoff = 1;
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41 result->shaper->hasshape = SDL_FALSE;
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42 return result;
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43 }
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44 else {
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45 SDL_DestroyWindow(result);
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46 return NULL;
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47 }
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48 }
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49 else
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50 return NULL;
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51 }
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52
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53 SDL_bool SDL_IsShapedWindow(const SDL_Window *window) {
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54 if(window == NULL)
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55 return SDL_FALSE;
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56 else
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57 return (SDL_bool)(window->shaper != NULL);
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58 }
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59
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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.
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60 /* REQUIRES that bitmap point to a w-by-h bitmap with ppb pixels-per-byte. */
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61 void SDL_CalculateShapeBitmap(SDL_WindowShapeMode mode,SDL_Surface *shape,Uint8* bitmap,Uint8 ppb) {
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62 int x = 0;
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63 int y = 0;
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64 Uint8 r = 0,g = 0,b = 0,alpha = 0;
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65 Uint8* pixel = NULL;
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66 Uint32 bitmap_pixel,pixel_value = 0,mask_value = 0;
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67 SDL_Color key;
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68 if(SDL_MUSTLOCK(shape))
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69 SDL_LockSurface(shape);
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70 pixel = (Uint8*)shape->pixels;
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71 for(y = 0;y<shape->h;y++) {
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72 for(x=0;x<shape->w;x++) {
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73 alpha = 0;
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74 pixel_value = 0;
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75 pixel = (Uint8 *)(shape->pixels) + (y*shape->pitch) + (x*shape->format->BytesPerPixel);
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76 switch(shape->format->BytesPerPixel) {
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77 case(1):
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78 pixel_value = *(Uint8*)pixel;
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79 break;
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80 case(2):
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81 pixel_value = *(Uint16*)pixel;
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82 break;
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83 case(3):
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84 pixel_value = *(Uint32*)pixel & (~shape->format->Amask);
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85 break;
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86 case(4):
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87 pixel_value = *(Uint32*)pixel;
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88 break;
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89 }
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90 SDL_GetRGBA(pixel_value,shape->format,&r,&g,&b,&alpha);
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91 bitmap_pixel = y*shape->w + x;
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92 switch(mode.mode) {
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93 case(ShapeModeDefault):
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94 mask_value = (alpha >= 1 ? 1 : 0);
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95 break;
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96 case(ShapeModeBinarizeAlpha):
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97 mask_value = (alpha >= mode.parameters.binarizationCutoff ? 1 : 0);
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98 break;
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99 case(ShapeModeReverseBinarizeAlpha):
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100 mask_value = (alpha <= mode.parameters.binarizationCutoff ? 1 : 0);
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101 break;
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102 case(ShapeModeColorKey):
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103 key = mode.parameters.colorKey;
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104 mask_value = ((key.r != r && key.g != g && key.b != b) ? 1 : 0);
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105 break;
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106 }
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107 bitmap[bitmap_pixel / ppb] |= mask_value << (7 - ((ppb - 1) - (bitmap_pixel % ppb)));
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108 }
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109 }
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110 if(SDL_MUSTLOCK(shape))
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111 SDL_UnlockSurface(shape);
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112 }
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113
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114 SDL_ShapeTree* RecursivelyCalculateShapeTree(SDL_WindowShapeMode mode,SDL_Surface* mask,SDL_Rect dimensions) {
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115 int x = 0,y = 0;
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116 Uint8* pixel = NULL;
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117 Uint32 pixel_value = 0;
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118 Uint8 r = 0,g = 0,b = 0,a = 0;
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119 SDL_bool pixel_opaque = SDL_FALSE;
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120 int last_opaque = -1;
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121 SDL_Color key;
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122 SDL_ShapeTree* result = (SDL_ShapeTree*)SDL_malloc(sizeof(SDL_ShapeTree));
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123 SDL_Rect next = {0,0,0,0};
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124 for(y=dimensions.y;y<dimensions.y + dimensions.h;y++)
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125 for(x=dimensions.x;x<dimensions.x + dimensions.w;x++) {
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126 pixel_value = 0;
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127 pixel = (Uint8 *)(mask->pixels) + (y*mask->pitch) + (x*mask->format->BytesPerPixel);
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diff changeset
128 switch(mask->format->BytesPerPixel) {
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parents: 4839
diff changeset
129 case(1):
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diff changeset
130 pixel_value = *(Uint8*)pixel;
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parents: 4839
diff changeset
131 break;
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parents: 4839
diff changeset
132 case(2):
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diff changeset
133 pixel_value = *(Uint16*)pixel;
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parents: 4839
diff changeset
134 break;
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parents: 4839
diff changeset
135 case(3):
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Eli Gottlieb <eligottlieb@gmail.com>
parents: 4839
diff changeset
136 pixel_value = *(Uint32*)pixel & (~mask->format->Amask);
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parents: 4839
diff changeset
137 break;
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parents: 4839
diff changeset
138 case(4):
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diff changeset
139 pixel_value = *(Uint32*)pixel;
740e833b2c00 Fixed overwriting of SDL_shape.c in merge.
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parents: 4839
diff changeset
140 break;
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parents: 4839
diff changeset
141 }
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diff changeset
142 SDL_GetRGBA(pixel_value,mask->format,&r,&g,&b,&a);
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diff changeset
143 switch(mode.mode) {
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Eli Gottlieb <eligottlieb@gmail.com>
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diff changeset
144 case(ShapeModeDefault):
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diff changeset
145 pixel_opaque = (a >= 1 ? SDL_TRUE : SDL_FALSE);
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diff changeset
146 break;
740e833b2c00 Fixed overwriting of SDL_shape.c in merge.
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diff changeset
147 case(ShapeModeBinarizeAlpha):
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diff changeset
148 pixel_opaque = (a >= mode.parameters.binarizationCutoff ? SDL_TRUE : SDL_FALSE);
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diff changeset
149 break;
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diff changeset
150 case(ShapeModeReverseBinarizeAlpha):
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diff changeset
151 pixel_opaque = (a <= mode.parameters.binarizationCutoff ? SDL_TRUE : SDL_FALSE);
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diff changeset
152 break;
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parents: 4839
diff changeset
153 case(ShapeModeColorKey):
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diff changeset
154 key = mode.parameters.colorKey;
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diff changeset
155 pixel_opaque = ((key.r == r && key.g == g && key.b == b) ? SDL_TRUE : SDL_FALSE);
740e833b2c00 Fixed overwriting of SDL_shape.c in merge.
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parents: 4839
diff changeset
156 break;
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parents: 4839
diff changeset
157 }
740e833b2c00 Fixed overwriting of SDL_shape.c in merge.
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parents: 4839
diff changeset
158 if(last_opaque == -1)
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diff changeset
159 last_opaque = pixel_opaque;
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Eli Gottlieb <eligottlieb@gmail.com>
parents: 4839
diff changeset
160 if(last_opaque != pixel_opaque) {
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diff changeset
161 result->kind = QuadShape;
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diff changeset
162 //These will stay the same.
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diff changeset
163 next.w = dimensions.w / 2;
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diff changeset
164 next.h = dimensions.h / 2;
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diff changeset
165 //These will change from recursion to recursion.
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diff changeset
166 next.x = dimensions.x;
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diff changeset
167 next.y = dimensions.y;
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diff changeset
168 result->data.children.upleft = (struct SDL_ShapeTree *)RecursivelyCalculateShapeTree(mode,mask,next);
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diff changeset
169 next.x = dimensions.w / 2;
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Eli Gottlieb <eligottlieb@gmail.com>
parents: 4839
diff changeset
170 //Unneeded: next.y = dimensions.y;
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parents: 4839
diff changeset
171 result->data.children.upright = (struct SDL_ShapeTree *)RecursivelyCalculateShapeTree(mode,mask,next);
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diff changeset
172 next.x = dimensions.x;
740e833b2c00 Fixed overwriting of SDL_shape.c in merge.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4839
diff changeset
173 next.y = dimensions.h / 2;
740e833b2c00 Fixed overwriting of SDL_shape.c in merge.
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parents: 4839
diff changeset
174 result->data.children.downleft = (struct SDL_ShapeTree *)RecursivelyCalculateShapeTree(mode,mask,next);
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diff changeset
175 next.x = dimensions.w / 2;
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parents: 4839
diff changeset
176 //Unneeded: next.y = dimensions.h / 2 + 1;
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diff changeset
177 result->data.children.downright = (struct SDL_ShapeTree *)RecursivelyCalculateShapeTree(mode,mask,next);
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diff changeset
178 return result;
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diff changeset
179 }
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Eli Gottlieb <eligottlieb@gmail.com>
parents: 4839
diff changeset
180 }
740e833b2c00 Fixed overwriting of SDL_shape.c in merge.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4839
diff changeset
181 //If we never recursed, all the pixels in this quadrant have the same "value".
740e833b2c00 Fixed overwriting of SDL_shape.c in merge.
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parents: 4839
diff changeset
182 result->kind = (last_opaque == SDL_TRUE ? OpaqueShape : TransparentShape);
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diff changeset
183 result->data.shape = dimensions;
740e833b2c00 Fixed overwriting of SDL_shape.c in merge.
Eli Gottlieb <eligottlieb@gmail.com>
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diff changeset
184 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.
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parents: 4810
diff changeset
185 }
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.
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parents: 4810
diff changeset
186
4841
740e833b2c00 Fixed overwriting of SDL_shape.c in merge.
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diff changeset
187 SDL_ShapeTree* SDL_CalculateShapeTree(SDL_WindowShapeMode mode,SDL_Surface* shape) {
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Eli Gottlieb <eligottlieb@gmail.com>
parents: 4839
diff changeset
188 SDL_Rect dimensions = {0,0,shape->w,shape->h};
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Eli Gottlieb <eligottlieb@gmail.com>
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diff changeset
189 SDL_ShapeTree* result = NULL;
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Eli Gottlieb <eligottlieb@gmail.com>
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diff changeset
190 if(SDL_MUSTLOCK(shape))
740e833b2c00 Fixed overwriting of SDL_shape.c in merge.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4839
diff changeset
191 SDL_LockSurface(shape);
740e833b2c00 Fixed overwriting of SDL_shape.c in merge.
Eli Gottlieb <eligottlieb@gmail.com>
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diff changeset
192 result = RecursivelyCalculateShapeTree(mode,shape,dimensions);
740e833b2c00 Fixed overwriting of SDL_shape.c in merge.
Eli Gottlieb <eligottlieb@gmail.com>
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diff changeset
193 if(SDL_MUSTLOCK(shape))
740e833b2c00 Fixed overwriting of SDL_shape.c in merge.
Eli Gottlieb <eligottlieb@gmail.com>
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diff changeset
194 SDL_UnlockSurface(shape);
740e833b2c00 Fixed overwriting of SDL_shape.c in merge.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4839
diff changeset
195 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
196 }
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
197
4841
740e833b2c00 Fixed overwriting of SDL_shape.c in merge.
Eli Gottlieb <eligottlieb@gmail.com>
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diff changeset
198 void SDL_TraverseShapeTree(SDL_ShapeTree *tree,SDL_TraversalFunction function,void* closure) {
740e833b2c00 Fixed overwriting of SDL_shape.c in merge.
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diff changeset
199 SDL_assert(tree != NULL);
740e833b2c00 Fixed overwriting of SDL_shape.c in merge.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4839
diff changeset
200 if(tree->kind == QuadShape) {
740e833b2c00 Fixed overwriting of SDL_shape.c in merge.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4839
diff changeset
201 SDL_TraverseShapeTree((SDL_ShapeTree *)tree->data.children.upleft,function,closure);
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Eli Gottlieb <eligottlieb@gmail.com>
parents: 4839
diff changeset
202 SDL_TraverseShapeTree((SDL_ShapeTree *)tree->data.children.upright,function,closure);
740e833b2c00 Fixed overwriting of SDL_shape.c in merge.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4839
diff changeset
203 SDL_TraverseShapeTree((SDL_ShapeTree *)tree->data.children.downleft,function,closure);
740e833b2c00 Fixed overwriting of SDL_shape.c in merge.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4839
diff changeset
204 SDL_TraverseShapeTree((SDL_ShapeTree *)tree->data.children.downright,function,closure);
740e833b2c00 Fixed overwriting of SDL_shape.c in merge.
Eli Gottlieb <eligottlieb@gmail.com>
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diff changeset
205 }
740e833b2c00 Fixed overwriting of SDL_shape.c in merge.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4839
diff changeset
206 else
740e833b2c00 Fixed overwriting of SDL_shape.c in merge.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4839
diff changeset
207 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
208 }
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
209
4841
740e833b2c00 Fixed overwriting of SDL_shape.c in merge.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4839
diff changeset
210 void SDL_FreeShapeTree(SDL_ShapeTree** shapeTree) {
740e833b2c00 Fixed overwriting of SDL_shape.c in merge.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4839
diff changeset
211 if((*shapeTree)->kind == QuadShape) {
740e833b2c00 Fixed overwriting of SDL_shape.c in merge.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4839
diff changeset
212 SDL_FreeShapeTree((SDL_ShapeTree **)&(*shapeTree)->data.children.upleft);
740e833b2c00 Fixed overwriting of SDL_shape.c in merge.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4839
diff changeset
213 SDL_FreeShapeTree((SDL_ShapeTree **)&(*shapeTree)->data.children.upright);
740e833b2c00 Fixed overwriting of SDL_shape.c in merge.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4839
diff changeset
214 SDL_FreeShapeTree((SDL_ShapeTree **)&(*shapeTree)->data.children.downleft);
740e833b2c00 Fixed overwriting of SDL_shape.c in merge.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4839
diff changeset
215 SDL_FreeShapeTree((SDL_ShapeTree **)&(*shapeTree)->data.children.downright);
740e833b2c00 Fixed overwriting of SDL_shape.c in merge.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4839
diff changeset
216 }
740e833b2c00 Fixed overwriting of SDL_shape.c in merge.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4839
diff changeset
217 SDL_free(*shapeTree);
740e833b2c00 Fixed overwriting of SDL_shape.c in merge.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4839
diff changeset
218 *shapeTree = 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
219 }
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
220
4841
740e833b2c00 Fixed overwriting of SDL_shape.c in merge.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4839
diff changeset
221 int SDL_SetWindowShape(SDL_Window *window,SDL_Surface *shape,SDL_WindowShapeMode *shapeMode) {
740e833b2c00 Fixed overwriting of SDL_shape.c in merge.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4839
diff changeset
222 int result;
740e833b2c00 Fixed overwriting of SDL_shape.c in merge.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4839
diff changeset
223 if(window == NULL || !SDL_IsShapedWindow(window))
740e833b2c00 Fixed overwriting of SDL_shape.c in merge.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4839
diff changeset
224 //The window given was not a shapeable window.
740e833b2c00 Fixed overwriting of SDL_shape.c in merge.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4839
diff changeset
225 return SDL_NONSHAPEABLE_WINDOW;
740e833b2c00 Fixed overwriting of SDL_shape.c in merge.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4839
diff changeset
226 if(shape == NULL)
740e833b2c00 Fixed overwriting of SDL_shape.c in merge.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4839
diff changeset
227 //Invalid shape argument.
740e833b2c00 Fixed overwriting of SDL_shape.c in merge.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4839
diff changeset
228 return SDL_INVALID_SHAPE_ARGUMENT;
740e833b2c00 Fixed overwriting of SDL_shape.c in merge.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4839
diff changeset
229
740e833b2c00 Fixed overwriting of SDL_shape.c in merge.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4839
diff changeset
230 if(shapeMode != NULL)
740e833b2c00 Fixed overwriting of SDL_shape.c in merge.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4839
diff changeset
231 window->shaper->mode = *shapeMode;
740e833b2c00 Fixed overwriting of SDL_shape.c in merge.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4839
diff changeset
232 //TODO: Platform-specific implementations of SetWindowShape. X11 is finished. Win32 is finished. Debugging is in progress on both.
740e833b2c00 Fixed overwriting of SDL_shape.c in merge.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4839
diff changeset
233 result = window->display->device->shape_driver.SetWindowShape(window->shaper,shape,shapeMode);
740e833b2c00 Fixed overwriting of SDL_shape.c in merge.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4839
diff changeset
234 window->shaper->hasshape = SDL_TRUE;
740e833b2c00 Fixed overwriting of SDL_shape.c in merge.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4839
diff changeset
235 if((window->shaper->usershownflag & SDL_WINDOW_SHOWN) == SDL_WINDOW_SHOWN) {
740e833b2c00 Fixed overwriting of SDL_shape.c in merge.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4839
diff changeset
236 SDL_ShowWindow(window);
740e833b2c00 Fixed overwriting of SDL_shape.c in merge.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4839
diff changeset
237 window->shaper->usershownflag &= !SDL_WINDOW_SHOWN;
740e833b2c00 Fixed overwriting of SDL_shape.c in merge.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4839
diff changeset
238 }
740e833b2c00 Fixed overwriting of SDL_shape.c in merge.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4839
diff changeset
239 return result;
4782
b6930aefd008 Finished X11 shaped-window functionality and removed ellipse+polygon rendering.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4781
diff changeset
240 }
b6930aefd008 Finished X11 shaped-window functionality and removed ellipse+polygon rendering.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4781
diff changeset
241
4841
740e833b2c00 Fixed overwriting of SDL_shape.c in merge.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4839
diff changeset
242 SDL_bool SDL_WindowHasAShape(SDL_Window *window) {
740e833b2c00 Fixed overwriting of SDL_shape.c in merge.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4839
diff changeset
243 if (window == NULL || !SDL_IsShapedWindow(window))
740e833b2c00 Fixed overwriting of SDL_shape.c in merge.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4839
diff changeset
244 return SDL_FALSE;
740e833b2c00 Fixed overwriting of SDL_shape.c in merge.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4839
diff changeset
245 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
246 }
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
247
4841
740e833b2c00 Fixed overwriting of SDL_shape.c in merge.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4839
diff changeset
248 int SDL_GetShapedWindowMode(SDL_Window *window,SDL_WindowShapeMode *shapeMode) {
740e833b2c00 Fixed overwriting of SDL_shape.c in merge.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4839
diff changeset
249 if(window != NULL && SDL_IsShapedWindow(window)) {
740e833b2c00 Fixed overwriting of SDL_shape.c in merge.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4839
diff changeset
250 if(shapeMode == NULL) {
740e833b2c00 Fixed overwriting of SDL_shape.c in merge.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4839
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251 if(SDL_WindowHasAShape(window))
740e833b2c00 Fixed overwriting of SDL_shape.c in merge.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4839
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252 //The window given has a shape.
740e833b2c00 Fixed overwriting of SDL_shape.c in merge.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4839
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253 return 0;
740e833b2c00 Fixed overwriting of SDL_shape.c in merge.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4839
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254 else
740e833b2c00 Fixed overwriting of SDL_shape.c in merge.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4839
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255 //The window given is shapeable but lacks a shape.
740e833b2c00 Fixed overwriting of SDL_shape.c in merge.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4839
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256 return SDL_WINDOW_LACKS_SHAPE;
740e833b2c00 Fixed overwriting of SDL_shape.c in merge.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4839
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257 }
740e833b2c00 Fixed overwriting of SDL_shape.c in merge.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4839
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258 else {
740e833b2c00 Fixed overwriting of SDL_shape.c in merge.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4839
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259 *shapeMode = window->shaper->mode;
740e833b2c00 Fixed overwriting of SDL_shape.c in merge.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4839
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260 return 0;
740e833b2c00 Fixed overwriting of SDL_shape.c in merge.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4839
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261 }
740e833b2c00 Fixed overwriting of SDL_shape.c in merge.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4839
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262 }
740e833b2c00 Fixed overwriting of SDL_shape.c in merge.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4839
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263 else
740e833b2c00 Fixed overwriting of SDL_shape.c in merge.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4839
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264 //The window given is not a valid shapeable window.
740e833b2c00 Fixed overwriting of SDL_shape.c in merge.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4839
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265 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
266 }