webimgview.h

快速处理基于 Web 的各种图象文件.zip

// WebImgView.h : interface of the CWebImgView class
//
/////////////////////////////////////////////////////////////////////////////

#if !defined(AFX_WEBIMGVIEW_H__6EA55683_AC23_11D2_85BC_00400528ECE2__INCLUDED_)
#define AFX_WEBIMGVIEW_H__6EA55683_AC23_11D2_85BC_00400528ECE2__INCLUDED_

#if _MSC_VER >= 1000
#pragma once
#endif // _MSC_VER >= 1000

#include "Wlink.h"

//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
//IMAGELIB STUFF
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
#define MY_API __stdcall
const IDLoadTimer = 1;
const IDAnimateTimer = 2;

//******************************************************************************
//This is our own structure used for display
//******************************************************************************}
struct TMyGifAnimation
{
         char FrameName[250];			//The name of the frame. Reserved field
		 WORD ScreenWidth;				//Logical screen width. Only in frame 1
         WORD ScreenHeight;				//Logical screen height. Only in frame 1
         BYTE GlobalColorTableSize;		//size of the color table
         BYTE GlobalColorTableFlag;		//Use GlobalColor table
         BYTE LocalColorTableFlag;		//Has Local color table
         BYTE LocalColorTableSize;		//size of the color table
         COLORREF BackGroundColor;		//Whats the background color. Only in frame 1
         WORD Left;						//Left position of the frame
         WORD Top;						//Top position of the frame
         WORD Width;					//Height of the frame
         WORD Height;					//Height of the frame
         BYTE InterlaceFlag;			//Is interlaced
         BYTE DisposalMethod;			//How to dispose previous frame
         BYTE TransparentColorFlag;		//Has Transparent color
         BYTE TransparentColorIndex;	//Color Index to the palette of the transparent color
         WORD DelayTime;				//Time to delay in mili seconds
         long NetLoops;					//Loops to run used by Netscape
         HANDLE HDib;					//Handle to the gif dib
		 HPALETTE hPAL;                 //Handle to the color palette
};

//*****************************************************************************************
//INITIALIZATION CALL
typedef void (MY_API *InitDll) (HWND, const  char *);

//*****************************************************************************************

//CONVERTS A DDB TO DIB
typedef short (MY_API *DdbtoDib)(unsigned int hddb,
						         unsigned int hpal,
								 short resolution,
								 short dither,
								 void *outdib,
								 short numclrs,
								 PALETTEENTRY * pal,
								 short errormode,
								 long v_object,
								 short(*pf)(short, long));

//READ ANIMATED GIF CALL
typedef short (MY_API *an_rdgiffiledib)(const char *filename,      // Name of file to read
                                        COLORREF MapTransColor,    // Transparent Color
                                        short (*pfcallapp)(        // Callback Function
						                                   HANDLE,          // Handle for Dib
                                                           void *,          // Pointer to GIF Header (Structure)
                                                           void *,          // Pointer to Image Descreptor (Structure)
                                                           void *,          // Pointer to Graphical Control Ext.(Strucure)
                                                           long,            // Number of Netscape loops
                                                           char *,          // Point to Comment Extension
                                                           short,           // Progressive showing
                                                           long),           // Value of pointer to the calling object
                                        long VOBJECT,    // Value of pointer to the calling object
                                        const char *lzwpasswd,        // Unisys password
                                        short errormode); // '1' for showing error, '0' for silence



//*****************************************************************************************
typedef short (MY_API *an_wtgiffiledib)(char * filename,	//Filename to save to
                                        short  numFrames,	//Number of frames to save
                               			long   ScreenWidth, //Width of Display Screem in Pixels
                               			long   ScreenHeight,//Height of Display Screem in Pixels
                               			short  BackgroundColor, // Background color index
                               			short  resolution,    // Resolution
                               			short  numCommentBlocks, 
                               			long   Netloops,
                               			short  (*callapp)(
                                                          HANDLE*,
                                                          WORD *,
                                                          WORD *,
                                                          WORD *,
                                                          WORD *,
                                                          BYTE *,
                                                          BYTE *,
                                                          BYTE *,
                                                          BYTE *,
                                                          BYTE *,
                                                          BYTE *,
                                                          BYTE *,
                                                          BYTE *,
                                                          WORD *,
                                                          BYTE *,
                                                          char *,
                                                          short,
                                                          short,
                                                          long),
                                        long VOBJECT,			// Value of pointer to the calling object
					             		const char* lzwpasswd,	// Unisys password
                                        short errormode);		//'1' for showing error, '0' for silence



//*****************************************************************************************
typedef short (MY_API *rdpngfiledibprog)	(const char *filename,	//Pointer to File name
											short resolution,		// Image resolution 	
  											short displayoption,	//1 - interlaced, 0 - not interlaced	
											long v_object,			// Value of pointer to the calling object
  											short(*UpdateProgressCallBack)
													(short, long),	//Callback function (Progress)
											short(*DibUpdateCallBack)
													(HANDLE, long),	//Callback function (return DIB)	
											short errormode,		//'1' for showing error, '0' for silence
											long  backcolor);		//Background color


//*****************************************************************************************

typedef short (MY_API  *wrpngfiledib)	(const char *filename,	//Pointer to File name
										short resolution,		// Image resolution
										short interlaced,		// 1-Interlaced, 0 - not interlaced
										unsigned int hdib,		// Handle to DIB	
										long v_object,			// Value of pointer to the calling object
										short(*UpdateProgressCallBack)
											(short, long),		//Callback function (Progress)
										short errormode);		//'1' for showing error, '0' for silence

//*****************************************************************************************
typedef short (MY_API *rdjpgfiledibprog)	(const char *filename,	//Pointer to File name	
											short resolution,		// Image resolution
											long v_object,			// Value of pointer to the calling object
											short(*UpdateProgressCallBack)
													(short, long),	//Callback function (Progress)	
											short(*DibUpdateCallBack)
													(HANDLE, long),	//Callback function (return DIB)	
											short errormode,		//'1' for showing error, '0' for silence
											long backcolor);		// Background color


//*****************************************************************************************

typedef short (MY_API *wrjpgfiledib)	(const char *filename,	//Pointer to File name
										short quality,			// Quality value
										short smooth,			// Smooth value (0-100)
										short resolution,		// Image resolution
										unsigned int hdib,		// Handel to DIB
										long v_object,			// Value of pointer to the calling object
										short(*UpdateProgressCallBack)
											(short, long),		//Callback function (Progress)
										short errormode);		//'1' for showing error, '0' for silence

//*****************************************************************************************
typedef short (MY_API  *rdbmpfiledib)	(const char *filename,	//Pointer to File name
										short resolution,		// Image resolution
										short dither,			// Dither value
										unsigned int * hdib,	// Handle to DIB
										unsigned int hpal,		// Palette value
										long v_object,			// Value of pointer to the calling object
										short(*UpdateProgressCallBack)
												(short, long),	//Callback function (Progress)
										short errormode);		//'1' for showing error, '0' for silence

//*****************************************************************************************

typedef short (MY_API *wrbmpfiledib)	(const char *filename,	//Pointer to File name
										short resolution,		// Image resolution
										unsigned int hdib,		// Handle to DIB
										long v_object,			// Value of pointer to the calling object
										short(*UpdateProgressCallBack)
												(short, long),	//Callback function (Progress)
										short errormode);		//'1' for showing error, '0' for silence


//*****************************************************************************************
typedef short (MY_API *ReduceDib)(void * &outdib,	//Handle to DIB (Retirn new DIB)
								  short resolution,	//New Image resolution
								  short dither,		// Dither
						 		  short numclrs,	//Number of colors
								  PALETTEENTRY * pal,	// Palette entry structure
								  short errormode,	//'1' for showing error, '0' for silence
								  long v_object,	// Value of pointer to the calling object	
						 		  short(*UpdateProgressCallBack)(short, long));	//Callback function (Progress)
//*****************************************************************************************

typedef short (MY_API *ilcompressfile)	(char *fromfile,	//File name	
										char *tofile,		//Arhiv file name
										char *header,		//Header for arhiv file name 
										int headersize,		// Header size in bites
										int level,			// Comression level (from 0 to 9) 0-low, 9-high 
										long v_object,		// Value of pointer to the calling object
										short(*UpdateProgressCallBack)
											(short, long));	//Callback function (Progress)

//*****************************************************************************************

typedef short (MY_API *ildecompressfile)	(char *fromfile,	//Arhive file name	
											char *tofile,		//File name for extracting 
											int headersize,		//Header size
											long v_object,		// Value of pointer to the calling object
											short(*UpdateProgressCallBack)
												(short, long));	//Callback function (Progress)



//*****************************************************************************************

typedef short (MY_API *ilcompressbuf)  (void *frombuf,		//Source buffer, 
										void *tobuf,		//Destination buffer
										long frombufsize,	//Source buffer size
										long *tobufsize,	//Return destination buffer size
										int level,			// Comression level
										long v_object,		// Value of pointer to the calling object
										short(*UpdateProgressCallBack)
											(short, long));	//Callback function (Progress)
//*****************************************************************************************

typedef short (MY_API *ildecompressbuf)	(void *frombuf,		//Source buffer
										void *tobuf,		//Destination buffer
										long frombufsize,	//Source buffer size
										long *tobufsize,	//Destination buffer size
										long v_object,		// Value of pointer to the calling object
										short(*UpdateProgressCallBack)
											(short, long));//Callback function (Progress)