143 строки
3.9 KiB
C
143 строки
3.9 KiB
C
#include <stdio.h>
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#include <SDL.h>
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#include <emscripten.h>
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#include <html5.h>
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static enum {
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STATE_INITIAL, /* Initial state, click needed to enter full screen */
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STATE_FS_REQ, /* After click, expecting to enter full screen */
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STATE_FS, /* Should remain in full screen */
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STATE_FS_QUIT_REQ, /* Second click, expecting to leave full screen */
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STATE_FS_QUIT, /* Left full screen */
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STATE_SUCCESS, /* Reported success, test finished */
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STATE_ERROR /* Something went wrong, and an error was reported */
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} state = STATE_INITIAL;
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int result = 0;
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#if SDL_VERSION_ATLEAST(2,0,0)
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SDL_Window *window = 0;
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SDL_Renderer *renderer = 0;
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#else
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SDL_Surface *screen = 0;
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#endif
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static void fail(const char *msg) {
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printf("%s Test failed.\n", msg);
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state = STATE_ERROR;
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result = 0;
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}
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static EM_BOOL mouseup(int eventType,
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const EmscriptenMouseEvent *keyEvent, void *userData) {
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if (eventType == EMSCRIPTEN_EVENT_MOUSEUP) {
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switch (state) {
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case STATE_INITIAL:
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#if SDL_VERSION_ATLEAST(2,0,0)
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SDL_SetWindowFullscreen(window, SDL_WINDOW_FULLSCREEN);
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#else
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SDL_WM_ToggleFullScreen(screen);
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#endif
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state = STATE_FS_REQ;
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break;
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case STATE_FS:
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#if SDL_VERSION_ATLEAST(2,0,0)
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SDL_SetWindowFullscreen(window, 0);
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#else
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SDL_WM_ToggleFullScreen(screen);
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#endif
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state = STATE_FS_QUIT_REQ;
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break;
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case STATE_FS_QUIT:
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case STATE_SUCCESS:
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case STATE_ERROR:
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break;
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default:
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fail("Unexpected click.");
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break;
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}
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}
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return 0;
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}
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static void render() {
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#if SDL_VERSION_ATLEAST(2,0,0)
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SDL_SetRenderDrawColor(renderer, 255, 255, 0, 255);
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SDL_RenderClear(renderer);
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SDL_RenderPresent(renderer);
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#else
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int width, height, isfs;
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emscripten_get_canvas_size(&width, &height, &isfs);
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SDL_Rect rect = { 0, 0, width, height };
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SDL_FillRect(screen, &rect, 0xff00ffff);
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#endif
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}
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static void mainloop() {
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render();
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int isInFullscreen = EM_ASM_INT_V(return !!(document.fullscreenElement || document.mozFullScreenElement || document.webkitFullscreenElement || document.msFullscreenElement));
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switch (state) {
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case STATE_INITIAL:
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if (isInFullscreen) fail("Unexpected full screen.");
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break;
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case STATE_FS_REQ:
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if (isInFullscreen) {
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state = STATE_FS;
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printf("Successfully transitioned to fullscreen mode.\n");
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}
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break;
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case STATE_FS:
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if (!isInFullscreen) fail("Unexpectedly left full screen.");
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break;
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case STATE_FS_QUIT_REQ:
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if (!isInFullscreen) {
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state = STATE_FS_QUIT;
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/* One more render() call is needed to make sure canvas is yellow,
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* so don't quit yet.
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*/
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}
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break;
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case STATE_FS_QUIT:
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if (isInFullscreen) fail("Unexpected full screen.");
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state = STATE_SUCCESS;
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printf("Exited fullscreen. Test succeeded.\n");
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result = 1;
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break;
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case STATE_ERROR:
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case STATE_SUCCESS:
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#ifdef REPORT_RESULT
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{
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REPORT_RESULT();
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}
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#endif
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emscripten_cancel_main_loop();
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break;
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}
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}
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int main() {
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SDL_Init(SDL_INIT_VIDEO);
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#if SDL_VERSION_ATLEAST(2,0,0)
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window = SDL_CreateWindow(NULL, 0, 0, 600, 450, SDL_WINDOW_SHOWN);
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renderer = SDL_CreateRenderer(window, -1, 0);
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#else
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screen = SDL_SetVideoMode(600, 450, 32, SDL_HWSURFACE);
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#endif
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/* SDL 1 limits which events can be used here.
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* Click and mouseup don't work.
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*/
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if (emscripten_set_mouseup_callback(NULL, NULL, 1, mouseup) != EMSCRIPTEN_RESULT_SUCCESS) {
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printf("Couldn't to set mouse callback. Test failed.\n");
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}
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printf("You should see a yellow canvas.\n");
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printf("Click on the canvas to enter full screen, and then click on the canvas again to finish the test.\n");
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printf("When in full screen, you should see the whole screen filled yellow.\n");
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printf("After exiting, the yellow canvas should be restored in the window.\n");
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emscripten_set_main_loop(mainloop, 0, 0);
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return 0;
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}
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