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comparison test/testshape.c @ 4804:b33752266d8f

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Boxed up the rendering loop and turned it into a redraw/update function. This makes things way more responsive, usable again.
author Eli Gottlieb <eligottlieb@gmail.com>
date Sun, 18 Jul 2010 23:51:47 -0400
parents a4c1df880690
children de3b3455f8ec
comparison
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4803:a4c1df880690 4804:b33752266d8f
8 #include <SDL_keysym.h> 8 #include <SDL_keysym.h>
9 9
10 #define SHAPED_WINDOW_X 150 10 #define SHAPED_WINDOW_X 150
11 #define SHAPED_WINDOW_Y 150 11 #define SHAPED_WINDOW_Y 150
12 #define SHAPED_WINDOW_DIMENSION 640 12 #define SHAPED_WINDOW_DIMENSION 640
13
14 void render(SDL_Window* window,SDL_Texture *texture,SDL_Rect texture_dimensions) {
15 SDL_SelectRenderer(window);
16
17 //Clear render-target to blue.
18 SDL_SetRenderDrawColor(0x00,0x00,0xff,0xff);
19 SDL_RenderClear();
20
21 //Render the texture.
22 SDL_RenderCopy(texture,&texture_dimensions,&texture_dimensions);
23
24 SDL_RenderPresent();
25 }
13 26
14 int main(int argc,char** argv) { 27 int main(int argc,char** argv) {
15 if(argc < 2) { 28 if(argc < 2) {
16 printf("SDL_Shape requires at least one bitmap file as argument.\n"); 29 printf("SDL_Shape requires at least one bitmap file as argument.\n");
17 exit(-1); 30 exit(-1);
91 Uint32 format = 0,access = 0; 104 Uint32 format = 0,access = 0;
92 SDL_Rect texture_dimensions = {0,0,0,0}; 105 SDL_Rect texture_dimensions = {0,0,0,0};
93 SDL_QueryTexture(textures[current_picture],&format,&access,&texture_dimensions.w,&texture_dimensions.h); 106 SDL_QueryTexture(textures[current_picture],&format,&access,&texture_dimensions.w,&texture_dimensions.h);
94 SDL_SetWindowSize(window,texture_dimensions.w,texture_dimensions.h); 107 SDL_SetWindowSize(window,texture_dimensions.w,texture_dimensions.h);
95 SDL_SetWindowShape(window,pictures[current_picture],&mode); 108 SDL_SetWindowShape(window,pictures[current_picture],&mode);
109 render(window,textures[current_picture],texture_dimensions);
96 while(should_exit == 0) { 110 while(should_exit == 0) {
97 event_pending = SDL_PollEvent(&event); 111 event_pending = SDL_PollEvent(&event);
98 if(event_pending == 1) { 112 if(event_pending == 1) {
99 if(event.type == SDL_KEYDOWN) { 113 if(event.type == SDL_KEYDOWN) {
100 button_down = 1; 114 button_down = 1;
107 if(current_picture >= num_pictures) 121 if(current_picture >= num_pictures)
108 current_picture = 0; 122 current_picture = 0;
109 SDL_QueryTexture(textures[current_picture],&format,&access,&texture_dimensions.w,&texture_dimensions.h); 123 SDL_QueryTexture(textures[current_picture],&format,&access,&texture_dimensions.w,&texture_dimensions.h);
110 SDL_SetWindowSize(window,texture_dimensions.w,texture_dimensions.h); 124 SDL_SetWindowSize(window,texture_dimensions.w,texture_dimensions.h);
111 SDL_SetWindowShape(window,pictures[current_picture],&mode); 125 SDL_SetWindowShape(window,pictures[current_picture],&mode);
126 render(window,textures[current_picture],texture_dimensions);
127
112 } 128 }
113 if(event.type == SDL_QUIT) 129 if(event.type == SDL_QUIT)
114 should_exit = 1; 130 should_exit = 1;
115 event_pending = 0; 131 event_pending = 0;
116 } 132 }
117
118 SDL_SelectRenderer(window);
119
120 //Clear render-target to blue.
121 SDL_SetRenderDrawColor(0x00,0x00,0xff,0xff);
122 SDL_RenderClear();
123
124 //Render the texture.
125 SDL_RenderCopy(textures[current_picture],&texture_dimensions,&texture_dimensions);
126
127 SDL_RenderPresent();
128 } 133 }
129 134
130 //Free the textures. 135 //Free the textures.
131 for(i=0;i<num_pictures;i++) 136 for(i=0;i<num_pictures;i++)
132 SDL_DestroyTexture(textures[i]); 137 SDL_DestroyTexture(textures[i]);