gui_drawbitmap.c

MCB2300_ucgui_LCD320240.rar LPC2368的uc/gui的移植

/*
*********************************************************************************************************
*   											 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 <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 ****************************/