ebgif.h

基于minigui开发的一套图形控件系统

//
// $Id: ebgif.h,v 1.2 2005/01/20 04:11:52 tangjb Exp $
//
// static.h: the head file of Static Control module.
//
// Copyright (c) 2004, Gao Laihong.
//
// Create date: 2004/01/05
//
#ifndef _EBGIF_FULL_H_
#define _EBGIF_FULL_H_

#ifdef  __cplusplus
extern  "C" {
#endif
/**
* \defgroup mgext_gif_fns GIF image file operations
* @{
*/
#define MAXCOLORMAPSIZE         256

typedef struct tagGIFSCREEN
{
    unsigned int Width;
    unsigned int Height;
    RGB ColorMap [MAXCOLORMAPSIZE];
    unsigned int BitPixel;
    unsigned int ColorResolution;
    unsigned int Background;
    unsigned int AspectRatio;
    int transparent;
    int delayTime;
    int inputFlag;
    int disposal;
	BOOL gColorTable;
	unsigned char version[4];
}GIFSCREEN;

typedef struct tagIMAGEDESC 
{
	int Top;
	int Left;
	int Width;
	int Height;
	BOOL haveColorMap;
	int bitPixel;
	int grayScale;
    RGB ColorMap [MAXCOLORMAPSIZE];
	BOOL interlace;
	BOOL sortFlag;
} IMAGEDESC;

//图形控制扩展部分
typedef struct tagControlExtension
{
	BOOL active;
	UINT disposalMethod;	//处置方法(Disposal Method)：	0 - 不使用处置方法
							//								1 - 不处置图形，把图形从当前位置移去
							//								2 - 回复到背景色
							//								3 - 回复到先前状态
	BOOL userInputFlag;		//用户输入标准
	BOOL trsFlag;			//透明色标志:置位表示使用透明颜色
	WORD delayTime;			//延迟时间， 单位:1/100秒
	UINT trsColorIndex;		//透明色索引值
}ControlExtension;
typedef struct tagControlExtension * PControlExtension;

typedef struct tagGIFBITMAPELEMENT
{
    struct tagGIFBITMAPELEMENT *prev;
    struct tagGIFBITMAPELEMENT *next;
    BITMAP Bitmap;
    int top;
    int left;
	ControlExtension ctrl;
} GIFBITMAPELEMENT;
typedef struct tagGIFBITMAPELEMENT * PGIFBITMAPELEMENT;

typedef struct tagGIFBITMAP
{
	DWORD	status;
    int 	delaytime;
    int 	count;
	GIFSCREEN screen;
    GIFBITMAPELEMENT *first;
    GIFBITMAPELEMENT *current;
} GIFBITMAP,*PGIFBITMAP;

int EbReadGIF (FILE * src, GIFBITMAP * gifbmp, HDC hdc);
void EbCleanGIF (GIFBITMAP * gifbmp);
void EbRewindGIF (GIFBITMAP * gifbmp);
PBITMAP EbGetCurrentGIFBmp (GIFBITMAP * gifbmp);
PBITMAP EbGetNextGIFBmp (GIFBITMAP * gifbmp);
void EbInitGIF (GIFBITMAP * gifbmp);

PGIFBITMAPELEMENT EbGetCurrentGIFItem(GIFBITMAP* gifbmp);
PGIFBITMAPELEMENT EbGetNextGIFItem(GIFBITMAP* gifbmp);

#ifdef __cplusplus
}
#endif  /* __cplusplus */

#endif  /* GUI_STATICCTRL_H */