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annotate test/testshape.c @ 4816:eb433f0d2ac5

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Added Andreas's VS2010 patch for testshape.
author Eli Gottlieb <eligottlieb@gmail.com>
date Fri, 30 Jul 2010 18:04:21 -0400
parents 329708ffe2a7
children c68e7490e4cf
rev   line source
4799
a0e096916474 Rewrote test program for shaped windows. It definitely displays recognizable pictures now, but the resizing and shaping functionality isn't behaving correctly, possibly due to a miscalculation of alpha values.
Eli Gottlieb <eligottlieb@gmail.com>
parents:
diff changeset
1 #include <stdlib.h>
a0e096916474 Rewrote test program for shaped windows. It definitely displays recognizable pictures now, but the resizing and shaping functionality isn't behaving correctly, possibly due to a miscalculation of alpha values.
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parents:
diff changeset
2 #include <math.h>
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eb433f0d2ac5 Added Andreas's VS2010 patch for testshape.
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parents: 4809
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3 #include <stdio.h>
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4 #include "SDL.h"
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5 #include "SDL_shape.h"
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a0e096916474 Rewrote test program for shaped windows. It definitely displays recognizable pictures now, but the resizing and shaping functionality isn't behaving correctly, possibly due to a miscalculation of alpha values.
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parents:
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6
a0e096916474 Rewrote test program for shaped windows. It definitely displays recognizable pictures now, but the resizing and shaping functionality isn't behaving correctly, possibly due to a miscalculation of alpha values.
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parents:
diff changeset
7 #define SHAPED_WINDOW_X 150
a0e096916474 Rewrote test program for shaped windows. It definitely displays recognizable pictures now, but the resizing and shaping functionality isn't behaving correctly, possibly due to a miscalculation of alpha values.
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8 #define SHAPED_WINDOW_Y 150
a0e096916474 Rewrote test program for shaped windows. It definitely displays recognizable pictures now, but the resizing and shaping functionality isn't behaving correctly, possibly due to a miscalculation of alpha values.
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9 #define SHAPED_WINDOW_DIMENSION 640
a0e096916474 Rewrote test program for shaped windows. It definitely displays recognizable pictures now, but the resizing and shaping functionality isn't behaving correctly, possibly due to a miscalculation of alpha values.
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10
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329708ffe2a7 Rejiggering the way shaped windows are created as preparation for OS X implementation. Fixed overdrive bug in test program that appears to have been introduced by someone other than myself.
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11 #define TICK_INTERVAL 1000/60
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12
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13 typedef struct LoadedPicture {
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14 SDL_Surface *surface;
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15 SDL_Texture *texture;
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16 SDL_WindowShapeMode mode;
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17 } LoadedPicture;
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18
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19 void render(SDL_Window* window,SDL_Texture *texture,SDL_Rect texture_dimensions) {
b33752266d8f Boxed up the rendering loop and turned it into a redraw/update function. This makes things way more responsive, usable again.
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parents: 4803
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20 SDL_SelectRenderer(window);
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21
b33752266d8f Boxed up the rendering loop and turned it into a redraw/update function. This makes things way more responsive, usable again.
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parents: 4803
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22 //Clear render-target to blue.
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23 SDL_SetRenderDrawColor(0x00,0x00,0xff,0xff);
b33752266d8f Boxed up the rendering loop and turned it into a redraw/update function. This makes things way more responsive, usable again.
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parents: 4803
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24 SDL_RenderClear();
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25
b33752266d8f Boxed up the rendering loop and turned it into a redraw/update function. This makes things way more responsive, usable again.
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parents: 4803
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26 //Render the texture.
b33752266d8f Boxed up the rendering loop and turned it into a redraw/update function. This makes things way more responsive, usable again.
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27 SDL_RenderCopy(texture,&texture_dimensions,&texture_dimensions);
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parents: 4803
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28
b33752266d8f Boxed up the rendering loop and turned it into a redraw/update function. This makes things way more responsive, usable again.
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29 SDL_RenderPresent();
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parents: 4803
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30 }
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parents: 4803
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31
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32 static Uint32 next_time;
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33
de3b3455f8ec Put the render loop back in its right place, but with delaying functionality to keep it down to roughly 60fps, not eating up all the X11 time.
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34 Uint32 time_left() {
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35 Uint32 now = SDL_GetTicks();
de3b3455f8ec Put the render loop back in its right place, but with delaying functionality to keep it down to roughly 60fps, not eating up all the X11 time.
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36 if(next_time <= now)
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37 return 0;
de3b3455f8ec Put the render loop back in its right place, but with delaying functionality to keep it down to roughly 60fps, not eating up all the X11 time.
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parents: 4804
diff changeset
38 else
de3b3455f8ec Put the render loop back in its right place, but with delaying functionality to keep it down to roughly 60fps, not eating up all the X11 time.
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parents: 4804
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39 return next_time - now;
de3b3455f8ec Put the render loop back in its right place, but with delaying functionality to keep it down to roughly 60fps, not eating up all the X11 time.
Eli Gottlieb <eligottlieb@gmail.com>
parents: 4804
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40 }
de3b3455f8ec Put the render loop back in its right place, but with delaying functionality to keep it down to roughly 60fps, not eating up all the X11 time.
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41
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a0e096916474 Rewrote test program for shaped windows. It definitely displays recognizable pictures now, but the resizing and shaping functionality isn't behaving correctly, possibly due to a miscalculation of alpha values.
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42 int main(int argc,char** argv) {
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43 Uint8 num_pictures;
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44 LoadedPicture* pictures;
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45 int i, j;
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46 SDL_PixelFormat* format;
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47 Uint32 format_enum;
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48 SDL_Window *window;
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49 SDL_Color black = {0,0,0,0xff};
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50 SDL_Event event;
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51 int event_pending = 0;
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52 int should_exit = 0;
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53 unsigned int current_picture;
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54 int button_down;
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55 Uint32 pixelFormat;
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56 int access;
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57 SDL_Rect texture_dimensions;;
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58
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59 if(argc < 2) {
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a0e096916474 Rewrote test program for shaped windows. It definitely displays recognizable pictures now, but the resizing and shaping functionality isn't behaving correctly, possibly due to a miscalculation of alpha values.
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60 printf("SDL_Shape requires at least one bitmap file as argument.\n");
a0e096916474 Rewrote test program for shaped windows. It definitely displays recognizable pictures now, but the resizing and shaping functionality isn't behaving correctly, possibly due to a miscalculation of alpha values.
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61 exit(-1);
a0e096916474 Rewrote test program for shaped windows. It definitely displays recognizable pictures now, but the resizing and shaping functionality isn't behaving correctly, possibly due to a miscalculation of alpha values.
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62 }
a0e096916474 Rewrote test program for shaped windows. It definitely displays recognizable pictures now, but the resizing and shaping functionality isn't behaving correctly, possibly due to a miscalculation of alpha values.
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parents:
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63
a0e096916474 Rewrote test program for shaped windows. It definitely displays recognizable pictures now, but the resizing and shaping functionality isn't behaving correctly, possibly due to a miscalculation of alpha values.
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64 if(SDL_VideoInit(NULL,0) == -1) {
a0e096916474 Rewrote test program for shaped windows. It definitely displays recognizable pictures now, but the resizing and shaping functionality isn't behaving correctly, possibly due to a miscalculation of alpha values.
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65 printf("Could not initialize SDL video.\n");
a0e096916474 Rewrote test program for shaped windows. It definitely displays recognizable pictures now, but the resizing and shaping functionality isn't behaving correctly, possibly due to a miscalculation of alpha values.
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66 exit(-2);
a0e096916474 Rewrote test program for shaped windows. It definitely displays recognizable pictures now, but the resizing and shaping functionality isn't behaving correctly, possibly due to a miscalculation of alpha values.
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67 }
a0e096916474 Rewrote test program for shaped windows. It definitely displays recognizable pictures now, but the resizing and shaping functionality isn't behaving correctly, possibly due to a miscalculation of alpha values.
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68
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69 num_pictures = argc - 1;
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70 pictures = (LoadedPicture *)malloc(sizeof(LoadedPicture)*num_pictures);
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a0e096916474 Rewrote test program for shaped windows. It definitely displays recognizable pictures now, but the resizing and shaping functionality isn't behaving correctly, possibly due to a miscalculation of alpha values.
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parents:
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71 for(i=0;i<num_pictures;i++)
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72 pictures[i].surface = NULL;
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a0e096916474 Rewrote test program for shaped windows. It definitely displays recognizable pictures now, but the resizing and shaping functionality isn't behaving correctly, possibly due to a miscalculation of alpha values.
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parents:
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73 for(i=0;i<num_pictures;i++) {
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74 pictures[i].surface = SDL_LoadBMP(argv[i+1]);
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75 if(pictures[i].surface == NULL) {
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76 j = 0;
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a0e096916474 Rewrote test program for shaped windows. It definitely displays recognizable pictures now, but the resizing and shaping functionality isn't behaving correctly, possibly due to a miscalculation of alpha values.
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77 for(j=0;j<num_pictures;j++)
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78 if(pictures[j].surface != NULL)
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79 SDL_FreeSurface(pictures[j].surface);
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a0e096916474 Rewrote test program for shaped windows. It definitely displays recognizable pictures now, but the resizing and shaping functionality isn't behaving correctly, possibly due to a miscalculation of alpha values.
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80 free(pictures);
a0e096916474 Rewrote test program for shaped windows. It definitely displays recognizable pictures now, but the resizing and shaping functionality isn't behaving correctly, possibly due to a miscalculation of alpha values.
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81 SDL_VideoQuit();
a0e096916474 Rewrote test program for shaped windows. It definitely displays recognizable pictures now, but the resizing and shaping functionality isn't behaving correctly, possibly due to a miscalculation of alpha values.
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82 printf("Could not load surface from named bitmap file.\n");
a0e096916474 Rewrote test program for shaped windows. It definitely displays recognizable pictures now, but the resizing and shaping functionality isn't behaving correctly, possibly due to a miscalculation of alpha values.
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83 exit(-3);
a0e096916474 Rewrote test program for shaped windows. It definitely displays recognizable pictures now, but the resizing and shaping functionality isn't behaving correctly, possibly due to a miscalculation of alpha values.
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84 }
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85
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86 format = pictures[i].surface->format;
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87 format_enum = SDL_MasksToPixelFormatEnum (format->BitsPerPixel,format->Rmask,format->Gmask, format->Bmask,format->Amask);
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88 if(SDL_ISPIXELFORMAT_ALPHA(format_enum)) {
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89 pictures[i].mode.mode = ShapeModeBinarizeAlpha;
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90 pictures[i].mode.parameters.binarizationCutoff = 1;
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91 }
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92 else {
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93 pictures[i].mode.mode = ShapeModeColorKey;
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94 pictures[i].mode.parameters.colorKey = black;
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95 }
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96 }
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97
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98 window = SDL_CreateShapedWindow("SDL_Shape test",SHAPED_WINDOW_X,SHAPED_WINDOW_Y,SHAPED_WINDOW_DIMENSION,SHAPED_WINDOW_DIMENSION,SDL_WINDOW_RESIZABLE | SDL_WINDOW_SHOWN);
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99 if(window == NULL) {
a0e096916474 Rewrote test program for shaped windows. It definitely displays recognizable pictures now, but the resizing and shaping functionality isn't behaving correctly, possibly due to a miscalculation of alpha values.
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100 for(i=0;i<num_pictures;i++)
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101 SDL_FreeSurface(pictures[i].surface);
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102 free(pictures);
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103 SDL_VideoQuit();
a0e096916474 Rewrote test program for shaped windows. It definitely displays recognizable pictures now, but the resizing and shaping functionality isn't behaving correctly, possibly due to a miscalculation of alpha values.
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104 printf("Could not create shaped window for SDL_Shape.\n");
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105 exit(-4);
a0e096916474 Rewrote test program for shaped windows. It definitely displays recognizable pictures now, but the resizing and shaping functionality isn't behaving correctly, possibly due to a miscalculation of alpha values.
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106 }
a0e096916474 Rewrote test program for shaped windows. It definitely displays recognizable pictures now, but the resizing and shaping functionality isn't behaving correctly, possibly due to a miscalculation of alpha values.
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107 if(SDL_CreateRenderer(window,-1,SDL_RENDERER_PRESENTFLIP2) == -1) {
a0e096916474 Rewrote test program for shaped windows. It definitely displays recognizable pictures now, but the resizing and shaping functionality isn't behaving correctly, possibly due to a miscalculation of alpha values.
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108 SDL_DestroyWindow(window);
a0e096916474 Rewrote test program for shaped windows. It definitely displays recognizable pictures now, but the resizing and shaping functionality isn't behaving correctly, possibly due to a miscalculation of alpha values.
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109 for(i=0;i<num_pictures;i++)
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110 SDL_FreeSurface(pictures[i].surface);
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111 free(pictures);
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112 SDL_VideoQuit();
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113 printf("Could not create rendering context for SDL_Shape window.\n");
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114 exit(-5);
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115 }
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116
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117 for(i=0;i<num_pictures;i++)
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118 pictures[i].texture = NULL;
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119 for(i=0;i<num_pictures;i++) {
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120 pictures[i].texture = SDL_CreateTextureFromSurface(0,pictures[i].surface);
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121 if(pictures[i].texture == NULL) {
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122 j = 0;
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123 for(j=0;j<num_pictures;i++)
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124 if(pictures[i].texture != NULL)
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125 SDL_DestroyTexture(pictures[i].texture);
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126 for(i=0;i<num_pictures;i++)
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127 SDL_FreeSurface(pictures[i].surface);
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128 free(pictures);
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129 SDL_DestroyRenderer(window);
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130 SDL_DestroyWindow(window);
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131 SDL_VideoQuit();
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132 printf("Could not create texture for SDL_shape.\n");
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133 exit(-6);
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134 }
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135 }
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136
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137 event_pending = 0;
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138 should_exit = 0;
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139 event_pending = SDL_PollEvent(&event);
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140 current_picture = 0;
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141 button_down = 0;
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142 format = 0,access = 0;
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143 texture_dimensions.h = 0;
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144 texture_dimensions.w = 0;
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145 texture_dimensions.x = 0;
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146 texture_dimensions.y = 0;
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147 SDL_QueryTexture(pictures[current_picture].texture,(Uint32 *)&pixelFormat,(int *)&access,&texture_dimensions.w,&texture_dimensions.h);
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148 SDL_SetWindowSize(window,texture_dimensions.w,texture_dimensions.h);
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149 SDL_SetWindowShape(window,pictures[current_picture].surface,&pictures[current_picture].mode);
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150 next_time = SDL_GetTicks() + TICK_INTERVAL;
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151 while(should_exit == 0) {
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152 event_pending = SDL_PollEvent(&event);
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153 if(event_pending == 1) {
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154 if(event.type == SDL_KEYDOWN) {
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155 button_down = 1;
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156 if(event.key.keysym.sym == SDLK_ESCAPE)
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157 should_exit = 1;
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158 }
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159 if(button_down && event.type == SDL_KEYUP) {
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160 button_down = 0;
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161 current_picture += 1;
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162 if(current_picture >= num_pictures)
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163 current_picture = 0;
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164 SDL_QueryTexture(pictures[current_picture].texture,(Uint32 *)&pixelFormat,(int *)&access,&texture_dimensions.w,&texture_dimensions.h);
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165 SDL_SetWindowSize(window,texture_dimensions.w,texture_dimensions.h);
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166 SDL_SetWindowShape(window,pictures[current_picture].surface,&pictures[current_picture].mode);
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167 }
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168 if(event.type == SDL_QUIT)
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169 should_exit = 1;
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170 event_pending = 0;
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171 }
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172 render(window,pictures[current_picture].texture,texture_dimensions);
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173 SDL_Delay(time_left());
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174 next_time += TICK_INTERVAL;
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175 }
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176
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177 //Free the textures.
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178 for(i=0;i<num_pictures;i++)
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179 SDL_DestroyTexture(pictures[i].texture);
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180 //Destroy the window.
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181 SDL_DestroyWindow(window);
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182 //Free the original surfaces backing the textures.
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183 for(i=0;i<num_pictures;i++)
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184 SDL_FreeSurface(pictures[i].surface);
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185 free(pictures);
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186 //Call SDL_VideoQuit() before quitting.
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187 SDL_VideoQuit();
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188
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189 return 0;
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190 }