cimage.h

一套图像处理程序,支持三种图像文件格式,我调试过了,很好用

/*
 * File:	cimage.h
 * Purpose:	Declaration of the Platform Independent Image Class
 * Author:	Alejandro Aguilar Sierra
 * Created:	1995
 * Copyright:	(c) 1995, Alejandro Aguilar Sierra <[e-mail]>
 *
 * This software is based in part on the work of the Independent JPEG Group.
 *
 */
#if !defined(__Image_h)
#define __Image_h

#include "cimageb.h"

enum {
CIMAGE_FORMAT_BMP,
CIMAGE_FORMAT_JPEG,
CIMAGE_FORMAT_GIF,
CIMAGE_FORMAT_XPM,
CIMAGE_FORMAT_PNG,
CMAX_IMAGE_FORMATS
};

class CImage: public CObject
{
protected:
  int filetype;
  CString filename;
public:
  CImageImpl *implementation;
  CImage(void);
  CImage(const CBitmap *bitmap);
  CImage (const CString& fileName, int imageType = -1);     // Read an image file
  CImage(const CImage *img);
  virtual ~CImage ();

  BOOL ReadFile(const CString& fileName="", int imageType = -1);
  BOOL SaveFile(const CString& fileName="", int imageType = -1);

  int GetFileType(void) { return filetype; }
  CString GetFilename() { return filename; }
  
  virtual int GetEffWidth() { return implementation->GetEffWidth(); }

  //  Image Information
  virtual int  GetWidth( void ) const { return implementation->GetWidth(); };
  virtual int  GetHeight( void ) const { return implementation->GetHeight(); };
  virtual int  GetDepth( void ) const { return implementation->GetDepth(); };
  virtual int  GetColorType( void ) const { return implementation->GetColorType(); };

  virtual BOOL Inside(int x, int y) { return implementation->Inside(x, y); };

  virtual void Create(int width, int height, int deep, int colortype=-1);
  virtual BOOL CreateImplementation(const CString& imageFileName, int& imageType);

// Drawing routines
  virtual BOOL Draw(CDC *dc, int x=0, int y=0, int dx=-1, int dy=-1, int xs=0, int ys=0)
  {
    return implementation->Draw(dc, x, y, dx, dy, xs, ys);
  }
  
  virtual BOOL Stretch(CDC *dc, int xd=0, int yd=0, int dxd=-1, int dyd=-1,
	 int xs=0, int ys=0, int dxs=-1, int dys=-1)
  {
    return implementation->Stretch(dc, xd, yd, dxd, dyd, xs, ys, dxs, dys);
  }

  virtual int  GetIndex(int x, int y) { return implementation->GetIndex(x, y); }
  virtual BOOL GetRGB(int x, int y, byte* r, byte* g, byte* b)
  { return implementation->GetRGB(x, y, r, g, b); }

  virtual BOOL SetIndex(int x, int y, int index) { return implementation->SetIndex(x, y, index); }
  virtual BOOL SetRGB(int x, int y, byte r, byte g, byte b) { return implementation->SetRGB(x, y, r, g, b); }

// ColorMap settings
  virtual BOOL SetPalette(CImagePalette* pal) { return implementation->SetPalette(pal); }
  virtual BOOL SetPalette(int n, rgb_color_struct *rgb_struct)
  { return implementation->SetPalette(n, rgb_struct); }
  virtual BOOL SetPalette(int n, byte *r, byte *g=0, byte *b=0)
  { return implementation->SetPalette(n, r, g, b); }
  virtual CImagePalette* GetPalette() const { return implementation->GetPalette(); }
  
  virtual BOOL IsOK() { return (implementation != NULL && implementation->GetBits()); }
  
  virtual CImageImpl *GetImplementation() { return implementation; }
  virtual ImagePointerType GetRawImage() { return implementation->GetRawImage(); }
  
  CBitmap *MakeBitmap();
};

#endif