image.h

来自「虚拟打印机」· C头文件 代码 · 共 98 行

/*
 *
 * image.h
 *
   Copyright (C) 2006 Michael H. Overlin

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 2 of the License, or
   (at your option) any later version.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
   
   Contact at [e-mail]
 *
 */

#ifndef IMAGE_H
#define IMAGE_H

#include "types.h"

class Image {
public:
	// REQUIRED INTERFACE
	virtual const RECTD& GetFrame(void) const = 0;
	virtual BOOL Draw(HDC hdcDest, IN const RECT& rDest) const = 0;

	// OPTIONAL INTERFACE (DEFAULT IMPLEMENTS USING CLIPPING AND SETTING VIEW, WINDOW
	virtual BOOL Draw(HDC hdcDest, IN const RECT& rDest, IN const RECTD& rdSrcSelection) const ;
};

class ImageFromBitmap : public Image {
public:
	// IF FRAME IS NULL, SETS TO SIZE FROM BITMAPINFO STRUCTURE
	ImageFromBitmap(HBITMAP hbmp, BOOL bOwnsBmp, const RECTD* prdFrame = NULL);
	~ImageFromBitmap();

	// *** Image REQUIRED INTERFACE ***
	virtual const RECTD& GetFrame(void) const ;
	virtual BOOL Draw(HDC hdcDest, IN const RECT& rDest) const ;
	// *** END OF Image REQUIRED INTERFACE ***
private:
	HBITMAP m_hbmp;
	BOOL m_bOwnsBmp;
	SIZE m_szBmp;
	RECTD m_rdFrame;
};

class ImageFromDib : public Image {
public:
	ImageFromDib(const class DibFromMemory& dib);
	virtual ~ImageFromDib();

	// *** Image REQUIRED INTERFACE ***
	virtual const RECTD& GetFrame(void) const ;
	virtual BOOL Draw(HDC hdcDest, IN const RECT& rDest) const ;
	// *** END OF Image REQUIRED INTERFACE ***
private:
	const class DibFromMemory& m_dib;
	RECTD m_rdFrame;
};

class ImageFromEnhMetafile : public Image {
public:
	ImageFromEnhMetafile(
		HENHMETAFILE hMeta, BOOL bOwnsMeta, 
		const RECTD& rdFrame,
		BOOL bBkgClr,
		COLORREF clrBkg
		);
	virtual ~ImageFromEnhMetafile();

	// *** Image REQUIRED INTERFACE ***
	virtual const RECTD& GetFrame(void) const ;
	virtual BOOL Draw(HDC hdcDest, IN const RECT& rDest) const ;
	// *** END OF Image REQUIRED INTERFACE ***

	//virtual BOOL Draw(HDC hdcDest, IN const RECT& rDest, IN const RECTD& rSrcSelection) const;

private:
	HENHMETAFILE m_hMeta;
	BOOL m_bOwnsMeta;
	RECTD m_rdFrame;
	BOOL m_bBkgClr;
	COLORREF m_clrBkg;
};


#endif