ctrlmisc.c

基于minigui开发的一套图形控件系统

		        }
		        else
		            break;
		
		        left_bytes -= len_cur_char;
		        mchar += len_cur_char;
		}
	}
	else
	{
		if(pfont)
			fontsize = GetFontCCharWidth(pfont);
		for (i = 0; i < len; i++) 
		{
			if ((BYTE)mchar[i] > 0xA0) 
			{
				i++;
				if (i < len) 
				{
					if ((BYTE)mchar[i] > 0xA0) 
					{
						nTextWidth += fontsize;
		                	}
		                	else
		                		i--;
		                }
		                else 
		                {
		                	nTextWidth += GetFontSingleCharWidth(pfont,(char*)&mchar[i],1);
		                }
		        }
		        else 
		        {
		        	nTextWidth += GetFontSingleCharWidth(pfont,(char*)&mchar[i],1);
		        }
		}
	}
	
	HJ_DEBUG("\nbefore return nTextWidth=%d\n",nTextWidth);
	return nTextWidth;
}


//edit by tjb 2004-4-20
//because ppfile参数在函数结束时还是为空
//char * PrefixFileName(const char * path,char * prefix,char ** ppfile,int maxlen)
char * PrefixFileName(const char * path,char * prefix,char *ppfile,int maxlen)
{
	char *str1;        		  	

	if (!ppfile)
		return NULL;

	str1 = rindex(path,'/'); 
	
	if(str1)
	{
	    int rpath;
	    rpath = (int)(str1-path)+1;
		
	    if(rpath <= 0 || rpath > maxlen)
	    	return NULL;
	    	
	    strncpy(ppfile,path,rpath);
	    ppfile[rpath] = 0;
	    strncat(ppfile,prefix,maxlen);
	    strncat(ppfile,str1+1,maxlen);
	}
	else
	{
	    strncpy(ppfile,prefix,maxlen);
	    strncat(ppfile,path,maxlen);
	}
	
	return ppfile;
}

BOOL RefreshChildInParent(HWND hwnd)
{  
   BOOL ret = FALSE;   
    RECT rcClient;
    DWORD dwStyle1,dwStyle2;  
    
    HWND pParent = GetParent(hwnd);     
    GetWindowRect(hwnd,&rcClient);
    dwStyle1 = GetWindowStyle(hwnd);

    if(pParent)
    {
    	dwStyle2 = GetWindowStyle(pParent);
    	if( (dwStyle1 & WS_VISIBLE) &&
    		(dwStyle2 & WS_VISIBLE))
    	{
    		ret = InvalidateRect (pParent, (PRECT)&rcClient, TRUE);
    	}
    }
    return ret;
    
    /*GetClientRect(hwnd,&rcClient);
    return RefreshSequenceParent(hwnd,&rcClient);
    */
}

BOOL RefreshSequenceParent(HWND hwnd,RECT * rect)
{  
    BOOL ret = FALSE;   
    RECT rcClient;
    DWORD dwStyle1,dwStyle2;  
    
    HWND pParent = GetParent(hwnd);     
    GetWindowRect(hwnd,&rcClient);
    dwStyle1 = GetWindowStyle(hwnd);
    
    if(pParent)
    {
    	dwStyle2 = GetWindowStyle(pParent);
    	if( (dwStyle1 & WS_VISIBLE) &&
    		(dwStyle2 & WS_VISIBLE))
    	{
    		RECT parentClient;
    		parentClient.left = rcClient.left + rect->left;
    		parentClient.top = rcClient.top + rect->top;
    		parentClient.right = rcClient.left + rect->right;
    		parentClient.bottom = rcClient.top + rect->bottom;
    		
    		RefreshSequenceParent(pParent,&parentClient);
    		ret = InvalidateRect (pParent, (PRECT)&rcClient, TRUE);
    	}
    }
    return ret;
}

void FillRectWithAlpha(HDC hdc,RECT * rect,char * bmpfile)
{
	BITMAP bmp;
	memset(&bmp,0,sizeof(BITMAP));
	if(!LoadBitmap( HDC_SCREEN, &bmp, bmpfile))
	{
		bmp.bmType = BMP_TYPE_NORMAL;
		FillBoxWithBitmap(hdc, 0, 0, rect->right,rect->bottom,&bmp);
		UnloadBitmap(&bmp);
	}	
}


//edit by tjb 2003-3-29
//修改原因:当位图的大小与控件的大小不一致时,图片不能全部显示或不能填充整个控件
//改为根据控件大小来拉伸或缩小图片,使图片填充整个控件
BOOL FillWithBmpfile(HWND hwnd,HDC hdc,char * bmpfile,BOOL alpha)
{
   BITMAP 	bmp;
   RECT		rect;
   
   memset(&bmp,0,sizeof(BITMAP));
   
   if(bmpfile)
   {
		if(!LoadBitmap( HDC_SCREEN, &bmp, bmpfile))
		{
			if(alpha)
			{
				unsigned char r,g,b,a;
				Pixel2RGBA(HDC_SCREEN,GetWindowBkColor (hwnd),&r,&g,&b,&a);	
				bmp.bmType |= BMP_TYPE_ALPHACHANNEL;
				bmp.bmAlpha = a;
		    }
			GetWindowRect(hwnd, &rect);
			
			FillBoxWithBitmap(hdc, 0, 0, RECTW(rect), RECTH(rect), &bmp);
			UnloadBitmap(&bmp);
			return TRUE;
		}
    }
    return FALSE;
}

BOOL FillWithBitmapAlpha(HWND hwnd,HDC hdc,BITMAP * pbmp,BOOL alpha)
{
    if (pbmp)
    {
    	RECT	rect;
    	int 	bmType = pbmp->bmType;
		
		if(alpha)
		{
	  		unsigned char r,g,b,a;
	  	
			Pixel2RGBA(HDC_SCREEN,GetWindowBkColor (hwnd),&r,&g,&b,&a);
			pbmp->bmType |= BMP_TYPE_ALPHACHANNEL;
			pbmp->bmAlpha = a;	
		}

		GetWindowRect(hwnd, &rect);
	//	FillBoxWithBitmap(hdc, 0, 0, RECTW(rect), RECTH(rect), pbmp);
		FillBoxWithBitmap(hdc, 0, 0, 0, 0, pbmp);
		pbmp->bmType = bmType;
		return TRUE;
    }
    return FALSE;
}

int GUIAPI LoadBitmapWithAlphaFile (HDC hdc, PBITMAP bmp, const char* file_name,const char * alphafile)
{
    MYBITMAP myBitmap;
    RGB pal [256];
    int ret;

    myBitmap.frames = 1;
    if ((ret = LoadMyBitmapFromFile (&myBitmap, pal, file_name)) < 0)
        return ret;

    ret = ExpandMyBitmap (hdc, bmp, &myBitmap, pal, 0);
    free (myBitmap.bits);
    memset(&myBitmap,0,sizeof(MYBITMAP));
    myBitmap.frames = 1;
    
    if ((ret = LoadMyBitmapFromFile (&myBitmap, pal, alphafile)) < 0)
    {
    	free(bmp->bmBits);
    	bmp->bmBits = NULL;
        return ret;
    } 
    
    ret = AlphaBltMyBitmap(bmp,&myBitmap,pal,0); 
    if(myBitmap.bits)
    	free (myBitmap.bits);
    return ret;
}

//add by hejia 2004-9-17
//add by hejia 2004-9-17
BOOL FillWithAlphaBmpfile(HWND hwnd,HDC hdc,char * bmpfile, BOOL alpha)
{
	BITMAP 	bmp;
	RECT	rect;
	HDC 	tmpdc;
	char 	albmpfile[MAX_PATH+1];

	memset(&bmp,0,sizeof(BITMAP));
	
	tmpdc = CreateCompatibleDC(hdc);
	SetMemDCAlpha(tmpdc, 0, 0);
	//SetRasterOperation(hdc,ROP_SET);
	SetBkMode(tmpdc, BM_TRANSPARENT);
	GetWindowRect(hwnd, &rect);
	
	FillWithBmpfile(hwnd, tmpdc, (char *)bmpfile, alpha);
	
   	PrefixFileName(bmpfile, "al", albmpfile, MAX_PATH);
   	if(albmpfile)
   	{
   		if ( access (albmpfile, F_OK) == 0)
   		{
			if(!LoadBitmap( HDC_SCREEN, &bmp, albmpfile))
			{
				unsigned char r,g,b,a;
				
				//fprintf(stderr,"\n/********enter FillWithAlphaBmpfile.\n");
				Pixel2RGBA(HDC_SCREEN,GetWindowBkColor (hwnd),&r,&g,&b,&a);	
				bmp.bmType &= ~BMP_TYPE_ALPHACHANNEL;
				bmp.bmType |= BMP_TYPE_ALPHARED;
				bmp.bmAlpha = a;
				
				FillBoxWithBitmap(tmpdc, 0, 0, RECTW(rect), RECTH(rect), &bmp);
				UnloadBitmap(&bmp);
			}
   		}
	}

	BitBlt(tmpdc,0,0,RECTW(rect),RECTH(rect),hdc,0,0,0);
	DeleteCompatibleDC(tmpdc);
	
	return TRUE;
	
err:
    return FALSE;
}


BOOL FillWithBmpAlphaValue2(HWND hwnd,HDC hdc,BITMAP * pbmp,BOOL alpha)
{
    if (pbmp)
    {
    	RECT	rect;
    	int 	bmType = pbmp->bmType;
		
		if(alpha)
		{
	  		unsigned char r,g,b,a;
	  	
			Pixel2RGBA(HDC_SCREEN,GetWindowBkColor (hwnd),&r,&g,&b,&a);
			pbmp->bmType |= BMP_TYPE_ALPHAVALUE;
			pbmp->bmAlpha = a;	
		}

		HJ_DEBUG("\nFillWithBmpAlphaValue2 hello.\n");
		GetWindowRect(hwnd, &rect);
		FillBoxWithBitmap(hdc, 0, 0, RECTW(rect), RECTH(rect), pbmp);
		//FillBoxWithBitmap(hdc, 0, 0, 0, 0, pbmp);
		pbmp->bmType = bmType;
		return TRUE;
    }
    return FALSE;
}

//add by hejia 2004-9-17
BOOL FillWithBmpAlphaValue(HWND hwnd,HDC hdc,char * bmpfile,BOOL alpha)
{
   BITMAP 	bmp;
   RECT		rect;
   
   memset(&bmp,0,sizeof(BITMAP));
   
   if(bmpfile)
   {
		if(!LoadBitmap( HDC_SCREEN, &bmp, bmpfile))
		{
			if(alpha)
			{
				unsigned char r,g,b,a;
				Pixel2RGBA(HDC_SCREEN,GetWindowBkColor (hwnd),&r,&g,&b,&a);	
				bmp.bmType |= BMP_TYPE_ALPHAVALUE;
				bmp.bmAlpha = a;
		    }
			GetWindowRect(hwnd, &rect);
			
			FillBoxWithBitmap(hdc, 0, 0, RECTW(rect), RECTH(rect), &bmp);
			UnloadBitmap(&bmp);
			return TRUE;
		}
    }
    return FALSE;
}

/****************************************************************************
*功能:使用图片填充控键
*参数:	hwnd - 控键句柄
*		hdc  - 
*		bmpfile - 图片文件名(包括路径)，若是使用该种方式，pbmp设为NULL
*		pbmp	- 使用bitmap指针来填充，bmpfile 设为NULL
*		bmptype - 填充方式，包括BMP_TYPE_ALPHAVALUE、BMP_TYPE_ALPHARED、
*								BMP_TYPE_ALPHACHANNEL、BMP_TYPE_NORMAL
*		alpha	- 是否使用alpha值
******************************************************************************/
BOOL FillWithPicture(HWND hwnd,HDC hdc, char * bmpfile, PBITMAP pbmp, int bmptype, BOOL alpha)
{
	if (!bmpfile && !pbmp)
		return FALSE;
	
	switch(bmptype)
	{
	case BMP_TYPE_ALPHACHANNEL:
		if (bmpfile)
			return FillWithBmpfile(hwnd, hdc, bmpfile, alpha);
		else
			return FillWithBitmapAlpha(hwnd, hdc, pbmp, alpha);
	case BMP_TYPE_ALPHARED:
		if (bmpfile)
			return FillWithAlphaBmpfile(hwnd,  hdc, bmpfile, alpha);
	case BMP_TYPE_ALPHAVALUE:
		if (bmpfile)
			return FillWithBmpAlphaValue(hwnd, hdc, bmpfile, alpha);
		else
			return FillWithBmpAlphaValue2(hwnd, hdc, pbmp, alpha);
	case BMP_TYPE_NORMAL:
		if (pbmp)
		{
			pbmp->bmType = BMP_TYPE_NORMAL;
			return FillBoxWithBitmap(hdc, 0, 0, 0, 0, pbmp);
		}
	default:
		break;
	}
	return FALSE;
}