initial import for sdlhaa & sdlhim

[sdlhildon] / sdlhaa / test / alpha.c

diff --git a/sdlhaa/test/alpha.c b/sdlhaa/test/alpha.c
new file mode 100644 (file)
index 0000000..dd08956
--- /dev/null
+++ b/sdlhaa/test/alpha.c
@@ -0,0 +1,95 @@
+/* alpha - a simple SDL_haa sample with a RGBA transparent actor
+ *
+ * This file is in the public domain, furnished "as is", without technical
+ * support, and with no warranty, express or implied, as to its usefulness for
+ * any purpose.
+ */
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <stdbool.h>
+#include <assert.h>
+
+#include <SDL.h>
+#include <SDL_haa.h>
+
+static SDL_Surface *screen;
+
+static HAA_Actor *actor;
+
+static int degrees = 0;
+
+static Uint32 tick(Uint32 interval, void* param)
+{
+       SDL_UserEvent e;
+       e.type = SDL_USEREVENT;
+
+       degrees = (degrees+2) % 360;
+       SDL_PushEvent((SDL_Event*)&e);
+
+       return interval;
+}
+
+int main()
+{
+       int res;
+       res = SDL_Init(SDL_INIT_VIDEO | SDL_INIT_TIMER);
+       assert(res == 0);
+
+       res = HAA_Init(0);
+       assert(res == 0);
+
+       screen = SDL_SetVideoMode(0, 0, 16, SDL_SWSURFACE);
+       assert(screen);
+
+       SDL_FillRect(screen, NULL,
+               SDL_MapRGBA(screen->format, 150, 0, 0, 255));
+               
+       SDL_Rect dark = {350, 180, 160, 50};
+       SDL_FillRect(screen, &dark,
+               SDL_MapRGBA(screen->format, 255, 0, 0, 255));
+
+       actor = HAA_CreateActor(SDL_SWSURFACE, 200, 200, 32);
+       assert(actor);
+
+       SDL_FillRect(actor->surface, NULL,
+               SDL_MapRGBA(actor->surface->format, 0, 255, 0, 250));
+
+       SDL_Rect hole = {63, 63, 74, 74};
+       SDL_FillRect(actor->surface, &hole,
+               SDL_MapRGBA(actor->surface->format, 0, 0, 255, 80));
+
+       HAA_SetPosition(actor, 400, 160);
+       HAA_Show(actor);
+
+       SDL_TimerID timer = SDL_AddTimer(10, tick, NULL);
+       assert(timer != NULL);
+
+       SDL_Event event;
+       while (SDL_WaitEvent(&event)) {
+               if (HAA_FilterEvent(&event) == 0) continue;
+               switch (event.type) {
+                       case SDL_QUIT:
+                               goto quit;
+                       case SDL_VIDEOEXPOSE:
+                               res = HAA_Flip(actor);
+                               assert(res == 0);
+                               res = SDL_Flip(screen);
+                               assert(res == 0);
+                               break;
+                       case SDL_USEREVENT:
+                               HAA_SetRotation(actor, HAA_Y_AXIS, degrees, 0, 0, 0);
+                               res = HAA_Commit(actor);
+                               assert(res == 0);
+                               break;
+               }
+       }
+
+quit:
+       HAA_FreeActor(actor);
+
+       HAA_Quit();
+       SDL_Quit();
+
+       return 0;
+}