system/lib/lcd/gui/Core/GUI_DrawBitmap.c

89 lines
3.1 KiB
C

/*
*********************************************************************************************************
* uC/GUI
* Universal graphic software for embedded applications
*
* (c) Copyright 2002, Micrium Inc., Weston, FL
* (c) Copyright 2002, SEGGER Microcontroller Systeme GmbH
*
* µC/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 <stddef.h>
#include "GUI_Private.h"
/*********************************************************************
*
* Public code
*
**********************************************************************
*/
/*********************************************************************
*
* GL_DrawBitmap
*
* Purpose:
* 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 GUI_UNI_PTR * pBitmap, int x0, int y0) {
GUI_DRAWMODE PrevDraw;
const GUI_LOGPALETTE GUI_UNI_PTR * 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->pMethods) {
#if GUI_COMPILER_SUPPORTS_FP /* Do not support this on VERY simple chips and compilers */
pBitmap->pMethods->pfDraw(x0, y0, pBitmap->XSize ,pBitmap->YSize, (U8 const *)pBitmap->pData, pBitmap->pPal, 1, 1);
#endif
} else {
const LCD_PIXELINDEX* pTrans;
pTrans = LCD_GetpPalConvTable(pBitmap->pPal);
if (!pTrans) {
pTrans = (pBitmap->BitsPerPixel != 1) ? NULL : &LCD_BKCOLORINDEX;
}
LCD_DrawBitmap( x0,y0
,pBitmap->XSize ,pBitmap->YSize
,1,1
,pBitmap->BitsPerPixel
,pBitmap->BytesPerLine
,pBitmap->pData
,pTrans);
}
GUI_SetDrawMode(PrevDraw);
}
/*********************************************************************
*
* GUI_DrawBitmap
*/
void GUI_DrawBitmap(const GUI_BITMAP GUI_UNI_PTR * 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();
}
/*************************** End of file ****************************/