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Diffstat (limited to '3rdparty/SDL2/test/testnative.c')
-rw-r--r-- | 3rdparty/SDL2/test/testnative.c | 237 |
1 files changed, 237 insertions, 0 deletions
diff --git a/3rdparty/SDL2/test/testnative.c b/3rdparty/SDL2/test/testnative.c new file mode 100644 index 00000000000..049c4c83e91 --- /dev/null +++ b/3rdparty/SDL2/test/testnative.c @@ -0,0 +1,237 @@ +/* + Copyright (C) 1997-2016 Sam Lantinga <slouken@libsdl.org> + + This software is provided 'as-is', without any express or implied + warranty. In no event will the authors be held liable for any damages + arising from the use of this software. + + Permission is granted to anyone to use this software for any purpose, + including commercial applications, and to alter it and redistribute it + freely. +*/ +/* Simple program: Create a native window and attach an SDL renderer */ + +#include <stdio.h> +#include <stdlib.h> /* for srand() */ +#include <time.h> /* for time() */ + +#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_WINDOWS + &WindowsWindowFactory, +#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_Renderer *renderer, char *file) +{ + SDL_Surface *temp; + SDL_Texture *sprite; + + /* Load the sprite image */ + temp = SDL_LoadBMP(file); + if (temp == NULL) { + SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "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, 1, *(Uint8 *) temp->pixels); + } + + /* Create textures from the image */ + sprite = SDL_CreateTextureFromSurface(renderer, temp); + if (!sprite) { + SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "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_Renderer * renderer, SDL_Texture * sprite) +{ + int sprite_w, sprite_h; + int i; + SDL_Rect viewport; + SDL_Rect *position, *velocity; + + /* Query the sizes */ + SDL_RenderGetViewport(renderer, &viewport); + SDL_QueryTexture(sprite, NULL, NULL, &sprite_w, &sprite_h); + + /* Draw a gray background */ + SDL_SetRenderDrawColor(renderer, 0xA0, 0xA0, 0xA0, 0xFF); + SDL_RenderClear(renderer); + + /* Move the sprite, bounce at the wall, and draw */ + for (i = 0; i < NUM_SPRITES; ++i) { + position = &positions[i]; + velocity = &velocities[i]; + position->x += velocity->x; + if ((position->x < 0) || (position->x >= (viewport.w - sprite_w))) { + velocity->x = -velocity->x; + position->x += velocity->x; + } + position->y += velocity->y; + if ((position->y < 0) || (position->y >= (viewport.h - sprite_h))) { + velocity->y = -velocity->y; + position->y += velocity->y; + } + + /* Blit the sprite onto the screen */ + SDL_RenderCopy(renderer, sprite, NULL, position); + } + + /* Update the screen! */ + SDL_RenderPresent(renderer); +} + +int +main(int argc, char *argv[]) +{ + int i, done; + const char *driver; + SDL_Window *window; + SDL_Renderer *renderer; + SDL_Texture *sprite; + int window_w, window_h; + int sprite_w, sprite_h; + SDL_Event event; + + /* Enable standard application logging */ + SDL_LogSetPriority(SDL_LOG_CATEGORY_APPLICATION, SDL_LOG_PRIORITY_INFO); + + if (SDL_VideoInit(NULL) < 0) { + SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "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) { + SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Couldn't find native window code for %s driver\n", + driver); + quit(2); + } + SDL_Log("Creating native window for %s driver\n", driver); + native_window = factory->CreateNativeWindow(WINDOW_W, WINDOW_H); + if (!native_window) { + SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Couldn't create native window\n"); + quit(3); + } + window = SDL_CreateWindowFrom(native_window); + if (!window) { + SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Couldn't create SDL window: %s\n", SDL_GetError()); + quit(4); + } + SDL_SetWindowTitle(window, "SDL Native Window Test"); + + /* Create the renderer */ + renderer = SDL_CreateRenderer(window, -1, 0); + if (!renderer) { + SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Couldn't create renderer: %s\n", SDL_GetError()); + quit(5); + } + + /* Clear the window, load the sprite and go! */ + SDL_SetRenderDrawColor(renderer, 0xA0, 0xA0, 0xA0, 0xFF); + SDL_RenderClear(renderer); + + sprite = LoadSprite(renderer, "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) { + SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "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_SetRenderDrawColor(renderer, 0xA0, 0xA0, 0xA0, 0xFF); + SDL_RenderClear(renderer); + break; + } + break; + case SDL_QUIT: + done = 1; + break; + default: + break; + } + } + MoveSprites(renderer, sprite); + } + + quit(0); + + return 0; /* to prevent compiler warning */ +} + +/* vi: set ts=4 sw=4 expandtab: */ |