iphone.c

mtk平台

//照片象IPHONE的机子一样移动的效果代码(左往右移)
U8 temp_row_buffer2[LCD_WIDTH*2*2];
static U8 temp_col_buffer2[LCD_HEIGHT*2*2];

void test_draw_move_l2r(int offset)
{
	PU8 pBaseLayerPtr;  //OSD layer pointer;
	PU8 pCacheLayerPtr; //Back Image layer pointer;
	PU8 pThumbLayerPtr;
	PU8 pBasePos;
	PU8 pCachePos;
	PU8 pThumbPos;
       PU8 pCopyPtr;
	PU8 pTempPtr;
	
       int row,col;
	gdi_layer_get_buffer_ptr(&pBaseLayerPtr);
	
       gdi_layer_push_and_set_active(g_imgadv_cntx.cache_layer_handle);
	gdi_layer_get_buffer_ptr(&pCacheLayerPtr);
	gdi_layer_pop_and_restore_active();

       gdi_layer_push_and_set_active(g_imgadv_cntx.thumbnail_layer_handle);
	gdi_layer_get_buffer_ptr(&pThumbLayerPtr);
	gdi_layer_pop_and_restore_active();

	memset(temp_row_buffer2,0,sizeof(temp_row_buffer2));
	memset(temp_col_buffer2,0,sizeof(temp_col_buffer2));
	if (offset>0)
	{
		if(g_imgadv_cntx.imgview_rotate==0 || g_imgadv_cntx.imgview_rotate==2)
		{/*OK*/
			for (row=0;row<LCD_HEIGHT;row++)
			{
				pCachePos = pCacheLayerPtr+row*LCD_WIDTH*2;
				pBasePos   =   pBaseLayerPtr+row*LCD_WIDTH*2;
				pThumbPos = pThumbLayerPtr+row*LCD_WIDTH*2;
				pTempPtr = temp_row_buffer2;
				memcpy(pTempPtr,pCachePos,LCD_WIDTH*2);
				pTempPtr+=LCD_WIDTH*2;
				memcpy(pTempPtr,pThumbPos,LCD_WIDTH*2);

				memcpy(pBasePos,(temp_row_buffer2+(LCD_WIDTH-offset)*2),LCD_WIDTH*2);
			}
		}
		else
		{
			if(g_imgadv_cntx.imgview_rotate ==1)  ///90 degree
			{/* r2l*/
			Trace_out("img 90 degree lllllll 2 rrrrrr\n");
				for (row=0;row<LCD_WIDTH;row++)
				{
					pCachePos = pCacheLayerPtr+row*LCD_HEIGHT*2;
					pBasePos   =   pBaseLayerPtr+row*LCD_HEIGHT*2;
					pThumbPos = pThumbLayerPtr+row*LCD_HEIGHT*2;
					pTempPtr = temp_col_buffer2;
					memcpy(pTempPtr,pCachePos,LCD_HEIGHT*2);
					pTempPtr+=LCD_HEIGHT*2;
					memcpy(pTempPtr,pThumbPos,LCD_HEIGHT*2);

					memcpy(pBasePos,(temp_col_buffer2+(LCD_HEIGHT-offset)*2),LCD_HEIGHT*2);
				}			
			}
			else   ///270 degree
			{
				for (row=0;row<LCD_WIDTH;row++)
				{
					pCachePos = pCacheLayerPtr+row*LCD_HEIGHT*2;
					pBasePos   =   pBaseLayerPtr+row*LCD_HEIGHT*2;
					pThumbPos = pThumbLayerPtr+row*LCD_HEIGHT*2;
					pTempPtr = temp_col_buffer2;
					memcpy(pTempPtr,pCachePos,LCD_HEIGHT*2);
					pTempPtr+=LCD_HEIGHT*2;
					memcpy(pTempPtr,pThumbPos,LCD_HEIGHT*2);

					memcpy(pBasePos,(temp_col_buffer2+(LCD_HEIGHT-offset)*2),LCD_HEIGHT*2);
				}			
			}

		}

	}
}