Example #1
0
void Load_PNG()
{

    // load PNG from memory

    pngLoadFromBuffer(picture_png_bin, picture_png_bin_size, &png1);

}
Example #2
0
s32 main(s32 argc, const char* argv[])
{
  gcmContextData *context;
  void *host_addr = NULL;
  rsxBuffer buffers[MAX_BUFFERS];
  int currentBuffer = 0;
  padInfo padinfo ;
  padData paddata ;
  u16 width;
  u16 height;
  int i;
  long frame = 0; /* to keep track of how many frames we have rendered */

  atexit(unload_modules);
  if(sysModuleLoad(SYSMODULE_FS) != 0)
    return 0;
  else
    module_flag |= 1;

  if(sysModuleLoad(SYSMODULE_PNGDEC) != 0)
    return 0;
  else
    module_flag |= 2;

  /* Allocate a 1Mb buffer, alligned to a 1Mb boundary
   * to be our shared IO memory with the RSX. */
  host_addr = memalign ( 1024*1024, HOST_SIZE ) ;
  context = screenInit ( host_addr, HOST_SIZE ) ;
  getResolution( &width, &height ) ;
  for (i = 0; i < MAX_BUFFERS; i++)
    makeBuffer( &buffers[i], width, height, i ) ;
  flip( context, MAX_BUFFERS - 1 ) ;
  setRenderTarget(context, &buffers[currentBuffer]) ;

  sysUtilRegisterCallback(SYSUTIL_EVENT_SLOT0, eventHandler, NULL);

  ioPadInit(7) ;

  /* png bitmap buffer */
  pngData png1;

#if USE_PNG_FROM_FILE == true
  const char *filename = PNG_FILE;
  /* load png from file */
  pngLoadFromFile(filename, &png1);
#endif
#if USE_PNG_FROM_FILE == false
  /* load png from memory */
  pngLoadFromBuffer((void *)psl1ght_png, psl1ght_png_size, &png1);
#endif

  /* Ok, everything is setup. Now for the main loop. */
  exitapp = 1;
  while(exitapp)
  {
    /* Check the pads. */
    ioPadGetInfo(&padinfo);
    for(i=0; i<MAX_PADS; i++){
      if(padinfo.status[i]){
        ioPadGetData(i, &paddata);

        if(paddata.BTN_CROSS){
          exitapp = 0;
          goto end;
        }
      }
    }

    waitFlip(); // Wait for the last flip to finish, so we can draw to the old buffer
    drawFrame(&buffers[currentBuffer], frame++); // Draw into the unused buffer

    if(png1.bmp_out)
    {
      static int x=0, y=0, dx=2, dy=2;
  
      u32 *scr = (u32 *)buffers[currentBuffer].ptr;
      u32 *png= (void *)png1.bmp_out;
      int n, m;
  
      /* update x, y coordinates */
      x+=dx;
      y+=dy;
  
      /* */
      if(x < 0)
      {
        x=0;
        dx=1;
      }

      /* screen width to png width */
      if(x > (buffers[currentBuffer].width - png1.width))
      {
        x=(buffers[currentBuffer].width - png1.width);
        dx=-2;
      }
  
      /* */
      if(y < 0)
      {
        y=0;
        dy=1;
      }

      /* screen height to png height */
      if(y > (buffers[currentBuffer].height - png1.height))
      {
        y = (buffers[currentBuffer].height - png1.height);
        dy=-2;
      }

      /* update screen buffer from coordinates */
      scr += y * buffers[currentBuffer].width + x;                     
  
      // draw PNG
      for(n=0;n<png1.height;n++)
      {
        if((y+n)>=buffers[currentBuffer].height) break;
        for(m=0;m<png1.width;m++)
        {
          if((x+m)>=buffers[currentBuffer].width) break;
          scr[m]=png[m];
        }
        png+=png1.pitch>>2;
        scr+=buffers[currentBuffer].width;
      }
    }

    flip(context, buffers[currentBuffer].id); /* Flip buffer onto screen */

    currentBuffer = !currentBuffer;
    setRenderTarget(context, &buffers[currentBuffer]) ; /* change buffer */

    sysUtilCheckCallback(); /* check user attention span */
  }

 end:

  gcmSetWaitFlip(context);
  for (i=0; i < MAX_BUFFERS; i++)
    rsxFree (buffers[i].ptr);
  rsxFinish (context, 1);
  free (host_addr);
  ioPadEnd();

  return 0;
}
Example #3
0
void Image::LoadPNG_Buf(const void* name, u32 name_size, pngData *png){
	pngLoadFromBuffer(name, name_size, png);
}