guistream.c

来自「uCGUI」· C语言 代码 · 共 25 行

/*************************************************************************************************************
                                                   uC/GUI
                                               嵌入式通用图形软件
File        : GUIStream.c
Purpose     : Support for streamed bitmaps
*************************************************************************************************************/
#include <stddef.h>           /* needed for definition of NULL */
#include "GUI.H"

void GUI_DrawStreamedBitmap(const GUI_BITMAP_STREAM *pBitmapHeader, int x, int y) 
{
  GUI_BITMAP Bitmap = {0};
  GUI_LOGPALETTE Palette;
  Bitmap.BitsPerPixel = pBitmapHeader->BitsPerPixel;
  Bitmap.BytesPerLine = pBitmapHeader->BytesPerLine;
  Bitmap.pData        = ((U8*)pBitmapHeader)+16+4*pBitmapHeader->NumColors;
  Bitmap.pPal         = &Palette;
  Bitmap.XSize        = pBitmapHeader->XSize;
  Bitmap.YSize        = pBitmapHeader->YSize;
  Palette.HasTrans    = pBitmapHeader->HasTrans;
  Palette.NumEntries  = pBitmapHeader->NumColors;
  Palette.pPalEntries = (const LCD_COLOR*)((U8*)pBitmapHeader+16);
  GUI_DrawBitmap(&Bitmap, x, y);
}