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authorSam Lantinga <slouken@libsdl.org>2009-02-09 05:32:12 +0000
committerSam Lantinga <slouken@libsdl.org>2009-02-09 05:32:12 +0000
commit2aab251e3855170cfe6fa40ddabdb1c561f5b7ab (patch)
tree3fe8922a35fd5ad51fb77e9d136feed0a5cdfebd /test/testnative.c
parent0f598a332fd7a258e1d9945e87c373e90ff6fcf9 (diff)
Added test program for SDL_CreateWindowFrom()
Make sure OpenGL library is loaded before working with OpenGL windows, even those created with SDL_CreateWindowFrom() --HG-- extra : convert_revision : svn%3Ac70aab31-4412-0410-b14c-859654838e24/trunk%403521
Diffstat (limited to 'test/testnative.c')
-rw-r--r--test/testnative.c219
1 files changed, 219 insertions, 0 deletions
diff --git a/test/testnative.c b/test/testnative.c
new file mode 100644
index 00000000..96c469d7
--- /dev/null
+++ b/test/testnative.c
@@ -0,0 +1,219 @@
+/* Simple program: Create a native window and attach an SDL renderer */
+
+#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->DestroyWindow(native_window);
+ }
+ exit(rc);
+}
+
+SDL_TextureID
+LoadSprite(SDL_WindowID window, char *file)
+{
+ SDL_Surface *temp;
+ SDL_TextureID 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_WindowID window, SDL_TextureID 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_RenderFill(NULL);
+ 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_WindowID window;
+ SDL_TextureID 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->CreateWindow(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_RenderFill(NULL);
+
+ 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_RenderFill(NULL);
+ break;
+ }
+ break;
+ case SDL_QUIT:
+ done = 1;
+ break;
+ default:
+ break;
+ }
+ }
+ MoveSprites(window, sprite);
+ }
+
+ quit(0);
+}
+
+/* vi: set ts=4 sw=4 expandtab: */
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