www.pudn.com > PG20101.zip > DrawImage.h

// 
//	DIB Section 
// 
//		Copyright (c) 2000-2001 Chihiro.SAKAMOTO (HyperWorks) 
// 
#ifndef	__DrawImage_h__ 
#define	__DrawImage_h__ 
 
#include "Image.h" 
#include "Misc.h" 
 
// 
//	使用DIB section的24bit的DIB類別 
// 
class CDrawImage: public CImage { 
  public: 
	CDrawImage(); 
	~CDrawImage(); 
 
	BOOL Create(HDC dc, int width, int height); 
 
	void Draw(HDC dc, int x, int y, int w, int h, int ox=0, int oy=0); 
	void Draw(HDC dc, const CRect &rect, CPoint point); 
	void Draw(HDC dc, const CRect &rect); 
 
	HBITMAP	GetBitmapHandle() const { return hBitmap; } 
 
  protected: 
	BITMAPINFOHEADER InfoHeader; 
	HBITMAP	hBitmap; 
} ; 
 
// inline 成員函式 
 
// 繪製 
// 
// 雖然有3種，但除了引數型態不一樣之外，動作均同 
// 
inline void CDrawImage::Draw(HDC dc, int x, int y, int w, int h, int ox, int oy) 
{ 
	HDC	memdc = CreateCompatibleDC(dc); 
	HGDIOBJ	oldbmp = SelectObject(memdc, hBitmap); 
	BitBlt(dc, x, y, w, h, memdc, ox, oy, SRCCOPY); 
	GdiFlush(); 
	SelectObject(memdc, oldbmp); 
	DeleteDC(memdc); 
} 
 
inline void CDrawImage::Draw(HDC dc, const CRect &rect, CPoint point) 
{ 
	Draw(dc, rect.left, rect.top, rect.Width(), rect.Height(), point.x, point.y); 
} 
 
inline void CDrawImage::Draw(HDC dc, const CRect &rect) 
{ 
	Draw(dc, rect.left, rect.top, rect.Width(), rect.Height(), rect.left, rect.top); 
} 
 
#endif