MTK_DM_layer

gdi_handle base_layer_handle;
gdi_handle preview_layer_handle;
gdi_handle status_layer_handle;void ShowCategoryScreem(void)
{
 gdi_layer_multi_layer_enable();
 
 gdi_layer_get_base_handle(&base_layer_handle);
 
 /* preview window layer */ 
 gdi_layer_create(10, 30, 100, 90, &preview_layer_handle);
 gdi_layer_push_and_set_active(preview_layer_handle);
 gdi_layer_set_source_key(TRUE, GDI_COLOR_BLUE);
 gdi_layer_pop_and_restore_active();
  /* status layer */ 
 gdi_layer_create(15, 40, 80, 20, &status_layer_handle); 
 gdi_layer_push_and_set_active(preview_layer_handle); gdi_layer_set_opacity(TRUE, 200);  /* 255 is no transparent, 0 is fully transparnet */
 gdi_layer_set_source_key(TRUE, GDI_COLOR_BLUE); 
 gdi_layer_pop_and_restore_active();}
void ExitCategoryScreen(void)
{
 /* free all created layer */
 gdi_layer_free_all();
 
 gdi_layer_multi_layer_disable();
}void RedrawCagtegoryScreen(void)
{
 gdi_layer_lock_frame_buffer();
 
 RedrawFullScreen();
 
 /* Draw other pixtel's UI compmenet ... */
 
 gdi_layer_unlock_frame_buffer();
 
 gdi_layer_blt( base_layer_handle,   /* layer 0 */
      preview_layer_handle,  /* layer 1 */
      status_layer_handle,   /* layer 2 */
      0,         /* layer 3 */
      0,         /* x1 */
      0,         /* y1 */
      UI_device_width-1,   /* x2 */
      UI_device_height-1);   /* y1 */ 
}void RedrawStatus(void)
{
 gdi_layer_lock_frame_buffer();
 gdi_layer_push_and_set_active(status_layer_handle); 
 gdi_layer_push_clip();
    /* Drawing......here. */
 
 
 gdi_layer_pop_clip();
 gdi_layer_pop_and_restore_active();
 gdi_layer_unlock_frame_buffer(); gdi_layer_blt( base_layer_handle,   /* layer 0 */
      preview_layer_handle,  /* layer 1 */
      status_layer_handle,   /* layer 2 */
      0,         /* layer 3 */
      15,        /* x1 */
      40,        /* y1 */
      95,        /* x2 */
      60);        /* y1 */}
void RedrawPreviewWnd(void)
{
 gdi_layer_lock_frame_buffer();
 gdi_layer_push_and_set_active(preview_layer_handle); 
 gdi_layer_push_clip();
 
  
 /* Drawing......here. */
 
 
 gdi_layer_pop_clip();
 gdi_layer_pop_and_restore_active();
 gdi_layer_unlock_frame_buffer();
 
 gdi_layer_blt( base_layer_handle,   /* layer 0 */
      preview_layer_handle,  /* layer 1 */
      status_layer_handle,   /* layer 2 */
      0,         /* layer 3 */
      10,        /* x1 */
      30,        /* y1 */
      120,        /* x2 */
      110);        /* y1 */ 
}RedrawFullScreen()
{
 gdi_layer_lock_frame_buffer();
  
 RedrawStatus();
 RedrawPreviewWnd(); /* Drawing......here. */
 
 gdi_layer_unlock_frame_buffer();
 
 gdi_layer_blt( base_layer_handle,   /* layer 0 */
      preview_layer_handle,  /* layer 1 */
      status_layer_handle,   /* layer 2 */
      0,         /* layer 3 */
      0,         /* x1 */
      0,         /* y1 */
      UI_device_width-1,   /* x2 */
      UI_device_height-1);   /* y1 */
}