gui_drawbitmap.c

来自「嵌入式实时操作系统uc/OS-II于s3c2410的开发测试程序２源代码」· C语言 代码 · 共 78 行

/*
*********************************************************************************************************
*                                                uC/GUI
*                        Universal graphic software for embedded applications
*
*                       (c) Copyright 2002, Micrium Inc., Weston, FL
*                       (c) Copyright 2002, SEGGER Microcontroller Systeme GmbH
*
*              礐/GUI is protected by international copyright laws. Knowledge of the
*              source code may not be used to write a similar product. This file may
*              only be used in accordance with a license and should not be redistributed
*              in any way. We appreciate your understanding and fairness.
*
----------------------------------------------------------------------
File        : GUI_DrawBitmap.C
Purpose     : Implementation of GUI_DrawBitmap
---------------------------END-OF-HEADER------------------------------
*/


#include "GUI_Protected.H"

/*********************************************************************
*
*             GUI_DrawBitmap
*
**********************************************************************

  Translates the external bitmap format into an internal
  format. This turned out to be necessary as the internal
  format is easier to create and more flexible for routines
  that draw text-bitmaps.
*/


void GL_DrawBitmap   (const GUI_BITMAP *pBitmap, int x0, int y0) {
  GUI_DRAWMODE PrevDraw;
  const GUI_LOGPALETTE* pPal;
  pPal = pBitmap->pPal;
  PrevDraw = GUI_SetDrawMode(0);  /* No Get... at this point */
  GUI_SetDrawMode((pPal && pPal->HasTrans) ? (PrevDraw|GUI_DRAWMODE_TRANS) : PrevDraw &(~GUI_DRAWMODE_TRANS));
  if (pBitmap->pfDraw) {
    #if !defined (__C51__)  /* Avoid Keil C51 limitation */
      pBitmap->pfDraw(x0, y0, pBitmap->XSize ,pBitmap->YSize, (U8 const *)pBitmap->pData, pBitmap->pPal, 1, 1);
    #endif
  } else {
    LCD_DrawBitmap( x0,y0
                    ,pBitmap->XSize ,pBitmap->YSize
                    ,1,1
                    ,pBitmap->BitsPerPixel
                    ,pBitmap->BytesPerLine
                    ,(U8 const *)pBitmap->pData
                    ,pBitmap->pPal);
  }
  GUI_SetDrawMode(PrevDraw);
}

void GUI_DrawBitmap   (const GUI_BITMAP  *pBitmap, int x0, int y0) {
  #if (GUI_WINSUPPORT)
    GUI_RECT r;
  #endif
  GUI_LOCK();
  #if (GUI_WINSUPPORT)
    WM_ADDORG(x0,y0);
    r.x1 = (r.x0 = x0) + pBitmap->XSize-1;
    r.y1 = (r.y0 = y0) + pBitmap->YSize-1;
    WM_ITERATE_START(&r) {
  #endif
  GL_DrawBitmap(pBitmap, x0, y0);
  #if (GUI_WINSUPPORT)
    } WM_ITERATE_END();
  #endif
  GUI_UNLOCK();
}