Created
May 22, 2024 05:47
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sdl2 window shape test.
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// https://github.com/libsdl-org/SDL/issues/8791 | |
//strip down version for testing image | |
// use sdl2 default image bmp test. | |
#include <stdlib.h> | |
#include <math.h> | |
#include <stdio.h> | |
#include "SDL.h" | |
#include <SDL_image.h> | |
#include "SDL_shape.h" | |
#define SHAPED_WINDOW_X 150 | |
#define SHAPED_WINDOW_Y 150 | |
#define SHAPED_WINDOW_DIMENSION 640 | |
#undef main | |
int main(int argc, char **argv) | |
{ | |
SDL_Window *window; | |
SDL_Renderer *renderer; | |
SDL_Color black = { 0, 0, 0, 0xff }; | |
SDL_Color white = { 255, 255, 255, 0xff }; | |
SDL_Event event; | |
int should_exit = 0; | |
int button_down; | |
SDL_Init( SDL_INIT_VIDEO ); | |
window = SDL_CreateShapedWindow("SDL_Shape test", | |
SHAPED_WINDOW_X, SHAPED_WINDOW_Y, | |
SHAPED_WINDOW_DIMENSION, SHAPED_WINDOW_DIMENSION, | |
0); | |
//window = SDL_CreateWindow( "SDL Tutorial", SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, SHAPED_WINDOW_X, SHAPED_WINDOW_Y, SDL_WINDOW_SHOWN ); | |
SDL_Surface * shape = SDL_LoadBMP("content/p01_shape24.bmp"); | |
SDL_WindowShapeParams wsp; | |
wsp.binarizationCutoff = 255; | |
wsp.colorKey = black; | |
SDL_WindowShapeMode swsm; | |
swsm.mode = ShapeModeColorKey; | |
swsm.parameters = wsp; | |
SDL_SetWindowShape(window, shape, &swsm); | |
//SDL_SetWindowShape(window, shape, NULL); | |
renderer = SDL_CreateRenderer(window, -1, 0); | |
should_exit = 0; | |
button_down = 0; | |
while (should_exit == 0) { | |
while (SDL_PollEvent(&event)) { | |
switch (event.type) | |
{ | |
case SDL_QUIT: | |
should_exit = 1; | |
break; | |
case SDL_KEYUP: | |
if (event.key.keysym.scancode == SDL_SCANCODE_ESCAPE) { | |
should_exit = 1; | |
} | |
break; | |
} | |
} | |
SDL_RenderPresent(renderer); | |
} | |
SDL_DestroyRenderer(renderer); | |
//Destroy window | |
SDL_DestroyWindow( window ); | |
/* Call SDL_VideoQuit() before quitting. */ | |
SDL_VideoQuit(); | |
printf("CLOSE"); | |
return 0; | |
} |
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