Mercurial > sdl-ios-xcode
view test/testnative.c @ 4672:013b0ea263dd
Added cocoatouch.h
author | jimtla |
---|---|
date | Tue, 27 Jul 2010 18:14:09 +0400 |
parents | 64ce267332c6 |
children | e8916fe9cfc8 |
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/* Simple program: Create a native window and attach an SDL renderer */ #include <stdio.h> #include "testnative.h" #define WINDOW_W 640 #define WINDOW_H 480 #define NUM_SPRITES 100 #define MAX_SPEED 1 static NativeWindowFactory *factories[] = { #ifdef TEST_NATIVE_WIN32 &Win32WindowFactory, #endif #ifdef TEST_NATIVE_X11 &X11WindowFactory, #endif #ifdef TEST_NATIVE_COCOA &CocoaWindowFactory, #endif NULL }; static NativeWindowFactory *factory = NULL; static void *native_window; static SDL_Rect *positions, *velocities; /* Call this instead of exit(), so we can clean up SDL: atexit() is evil. */ static void quit(int rc) { SDL_VideoQuit(); if (native_window) { factory->DestroyNativeWindow(native_window); } exit(rc); } SDL_Texture * LoadSprite(SDL_Window * window, char *file) { SDL_Surface *temp; SDL_Texture *sprite; /* Load the sprite image */ temp = SDL_LoadBMP(file); if (temp == NULL) { fprintf(stderr, "Couldn't load %s: %s", file, SDL_GetError()); return 0; } /* Set transparent pixel as the pixel at (0,0) */ if (temp->format->palette) { SDL_SetColorKey(temp, SDL_SRCCOLORKEY, *(Uint8 *) temp->pixels); } /* Create textures from the image */ SDL_SelectRenderer(window); sprite = SDL_CreateTextureFromSurface(0, temp); if (!sprite) { fprintf(stderr, "Couldn't create texture: %s\n", SDL_GetError()); SDL_FreeSurface(temp); return 0; } SDL_FreeSurface(temp); /* We're ready to roll. :) */ return sprite; } void MoveSprites(SDL_Window * window, SDL_Texture * sprite) { int i, n; int window_w, window_h; int sprite_w, sprite_h; SDL_Rect *position, *velocity; SDL_SelectRenderer(window); /* Query the sizes */ SDL_GetWindowSize(window, &window_w, &window_h); SDL_QueryTexture(sprite, NULL, NULL, &sprite_w, &sprite_h); /* Move the sprite, bounce at the wall, and draw */ n = 0; SDL_SetRenderDrawColor(0xA0, 0xA0, 0xA0, 0xFF); SDL_RenderClear(); for (i = 0; i < NUM_SPRITES; ++i) { position = &positions[i]; velocity = &velocities[i]; position->x += velocity->x; if ((position->x < 0) || (position->x >= (window_w - sprite_w))) { velocity->x = -velocity->x; position->x += velocity->x; } position->y += velocity->y; if ((position->y < 0) || (position->y >= (window_h - sprite_h))) { velocity->y = -velocity->y; position->y += velocity->y; } /* Blit the sprite onto the screen */ SDL_RenderCopy(sprite, NULL, position); } /* Update the screen! */ SDL_RenderPresent(); } int main(int argc, char *argv[]) { int i, done; const char *driver; SDL_Window *window; SDL_Texture *sprite; int window_w, window_h; int sprite_w, sprite_h; SDL_Event event; if (SDL_VideoInit(NULL, 0) < 0) { fprintf(stderr, "Couldn't initialize SDL video: %s\n", SDL_GetError()); exit(1); } driver = SDL_GetCurrentVideoDriver(); /* Find a native window driver and create a native window */ for (i = 0; factories[i]; ++i) { if (SDL_strcmp(driver, factories[i]->tag) == 0) { factory = factories[i]; break; } } if (!factory) { fprintf(stderr, "Couldn't find native window code for %s driver\n", driver); quit(2); } printf("Creating native window for %s driver\n", driver); native_window = factory->CreateNativeWindow(WINDOW_W, WINDOW_H); if (!native_window) { fprintf(stderr, "Couldn't create native window\n"); quit(3); } window = SDL_CreateWindowFrom(native_window); if (!window) { fprintf(stderr, "Couldn't create SDL window: %s\n", SDL_GetError()); quit(4); } SDL_SetWindowTitle(window, "SDL Native Window Test"); /* Create the renderer */ if (SDL_CreateRenderer(window, -1, 0) < 0) { fprintf(stderr, "Couldn't create renderer: %s\n", SDL_GetError()); quit(5); } /* Clear the window, load the sprite and go! */ SDL_SelectRenderer(window); SDL_SetRenderDrawColor(0xA0, 0xA0, 0xA0, 0xFF); SDL_RenderClear(); sprite = LoadSprite(window, "icon.bmp"); if (!sprite) { quit(6); } /* Allocate memory for the sprite info */ SDL_GetWindowSize(window, &window_w, &window_h); SDL_QueryTexture(sprite, NULL, NULL, &sprite_w, &sprite_h); positions = (SDL_Rect *) SDL_malloc(NUM_SPRITES * sizeof(SDL_Rect)); velocities = (SDL_Rect *) SDL_malloc(NUM_SPRITES * sizeof(SDL_Rect)); if (!positions || !velocities) { fprintf(stderr, "Out of memory!\n"); quit(2); } srand(time(NULL)); for (i = 0; i < NUM_SPRITES; ++i) { positions[i].x = rand() % (window_w - sprite_w); positions[i].y = rand() % (window_h - sprite_h); positions[i].w = sprite_w; positions[i].h = sprite_h; velocities[i].x = 0; velocities[i].y = 0; while (!velocities[i].x && !velocities[i].y) { velocities[i].x = (rand() % (MAX_SPEED * 2 + 1)) - MAX_SPEED; velocities[i].y = (rand() % (MAX_SPEED * 2 + 1)) - MAX_SPEED; } } /* Main render loop */ done = 0; while (!done) { /* Check for events */ while (SDL_PollEvent(&event)) { switch (event.type) { case SDL_WINDOWEVENT: switch (event.window.event) { case SDL_WINDOWEVENT_EXPOSED: SDL_SelectRenderer(event.window.windowID); SDL_SetRenderDrawColor(0xA0, 0xA0, 0xA0, 0xFF); SDL_RenderClear(); break; } break; case SDL_QUIT: done = 1; break; default: break; } } MoveSprites(window, sprite); } quit(0); } /* vi: set ts=4 sw=4 expandtab: */