bmp.c

这是我珍藏的图像处理入门C源码分析,给大家共享了!

			}
			else
				MessageBox(hWnd,"File not loaded yet!","Error Message",MB_OK|MB_ICONEXCLAMATION);
			break;
		case IDM_HISTOGRAM:
			if(hImgData!=NULL){
				if(Histogram(hWnd))
					InvalidateRect(hWnd,NULL,TRUE);
			}
			else
				MessageBox(hWnd,"File not loaded yet!","Error Message",MB_OK|MB_ICONEXCLAMATION);
			break;
		case IDM_TRUE256:
			if(hImgData!=NULL){
				if(Trueto256(hWnd))
					InvalidateRect(hWnd,NULL,TRUE);
			}
			else
				MessageBox(hWnd,"File not loaded yet!","Error Message",MB_OK|MB_ICONEXCLAMATION);
			break;
		case IDM_CLRGRAY:
			if(hImgData!=NULL){
				if(ColortoGrayScale(hWnd))
					InvalidateRect(hWnd,NULL,TRUE);
			}
			else
				MessageBox(hWnd,"File not loaded yet!","Error Message",MB_OK|MB_ICONEXCLAMATION);
			break;
		case IDM_INVERT:
			if(hImgData!=NULL){
				if(Invert(hWnd))
					InvalidateRect(hWnd,NULL,TRUE);
			}
			else
				MessageBox(hWnd,"File not loaded yet!","Error Message",MB_OK|MB_ICONEXCLAMATION);
			break;
		case IDM_CONTSTRETCH:
			if(hImgData!=NULL){
				if (ContrastStretch(hWnd))
					InvalidateRect(hWnd,NULL,TRUE);
			}
			else
				MessageBox(hWnd,"File not loaded yet!","Error Message",MB_OK|MB_ICONEXCLAMATION);
			break;
		case IDM_CLIPING:
			if(hImgData!=NULL){
				if(Cliping(hWnd))
					InvalidateRect(hWnd,NULL,TRUE);
			}
			else
				MessageBox(hWnd,"File not loaded yet!","Error Message",MB_OK|MB_ICONEXCLAMATION);
			break;
		case IDM_THRESHOLD:
			if(hImgData!=NULL){
				if(Thresholding(hWnd))
					InvalidateRect(hWnd,NULL,TRUE);
			}
			else
				MessageBox(hWnd,"File not loaded yet!","Error Message",MB_OK|MB_ICONEXCLAMATION);
			break;
		case IDM_SLICEWITHOUTBACK:
			if(hImgData!=NULL){
				if(Slice(hWnd,FALSE))
					InvalidateRect(hWnd,NULL,TRUE);
			}
			else
				MessageBox(hWnd,"File not loaded yet!","Error Message",MB_OK|MB_ICONEXCLAMATION);
			break;
		case IDM_SLICEWITHBACK:
			if(hImgData!=NULL){
				if(Slice(hWnd,TRUE))
					InvalidateRect(hWnd,NULL,TRUE);
			}
			else
				MessageBox(hWnd,"File not loaded yet!","Error Message",MB_OK|MB_ICONEXCLAMATION);
			break;
		case IDM_HISTOGRAMEQUA:
			if(hImgData!=NULL){
				if(HistogramEqua(hWnd))
					InvalidateRect(hWnd,NULL,TRUE);
			}
			else
				MessageBox(hWnd,"File not loaded yet!","Error Message",MB_OK|MB_ICONEXCLAMATION);
			break;
		case IDM_HDILATION:
			if(hImgData!=NULL){
				if(Dilation(hWnd,TRUE))
					InvalidateRect(hWnd,NULL,TRUE);
			}
			else
				MessageBox(hWnd,"File not loaded yet!","Error Message",MB_OK|MB_ICONEXCLAMATION);
			break;
		case IDM_VDILATION:
			if(hImgData!=NULL){
				if(Dilation(hWnd,FALSE))
					InvalidateRect(hWnd,NULL,TRUE);
			}
			else
				MessageBox(hWnd,"File not loaded yet!","Error Message",MB_OK|MB_ICONEXCLAMATION);
			break;
		case IDM_HEROSION:
			if(hImgData!=NULL){
				if(Erosion(hWnd,TRUE))
					InvalidateRect(hWnd,NULL,TRUE);
			}
			else
				MessageBox(hWnd,"File not loaded yet!","Error Message",MB_OK|MB_ICONEXCLAMATION);
			break;
		case IDM_VEROSION:
			if(hImgData!=NULL){
				if(Erosion(hWnd,FALSE))
					InvalidateRect(hWnd,NULL,TRUE);
			}
			else
				MessageBox(hWnd,"File not loaded yet!","Error Message",MB_OK|MB_ICONEXCLAMATION);
			break;
		case IDM_HOPEN:
			if(hImgData!=NULL){
				if(MorphOpen(hWnd,TRUE))
					InvalidateRect(hWnd,NULL,TRUE);
			}
			else
				MessageBox(hWnd,"File not loaded yet!","Error Message",MB_OK|MB_ICONEXCLAMATION);
			break;
		case IDM_VOPEN:
			if(hImgData!=NULL){
				if(MorphOpen(hWnd,FALSE))
					InvalidateRect(hWnd,NULL,TRUE);
			}
			else
				MessageBox(hWnd,"File not loaded yet!","Error Message",MB_OK|MB_ICONEXCLAMATION);
			break;
		case IDM_HCLOSE:
			if(hImgData!=NULL){
				if(MorphClose(hWnd,TRUE))
					InvalidateRect(hWnd,NULL,TRUE);
			}
			else
				MessageBox(hWnd,"File not loaded yet!","Error Message",MB_OK|MB_ICONEXCLAMATION);
			break;
		case IDM_VCLOSE:
			if(hImgData!=NULL){
				if(MorphClose(hWnd,FALSE))
					InvalidateRect(hWnd,NULL,TRUE);
			}
			else
				MessageBox(hWnd,"File not loaded yet!","Error Message",MB_OK|MB_ICONEXCLAMATION);
			break;
		case IDM_THINNING:
			if(hImgData!=NULL){
				if(Thinning(hWnd))
					InvalidateRect(hWnd,NULL,TRUE);
			}
			else
				MessageBox(hWnd,"File not loaded yet!","Error Message",MB_OK|MB_ICONEXCLAMATION);
			break;
		case IDM_OUTLINE:
			if(hImgData!=NULL){
				if(Outline(hWnd))
					InvalidateRect(hWnd,NULL,TRUE);
			}
			else
				MessageBox(hWnd,"File not loaded yet!","Error Message",MB_OK|MB_ICONEXCLAMATION);
			break;
		case IDM_HSOBEL:
			if(hImgData!=NULL){
				if(TemplateOperation(hWnd,TEMPLATE_SOBEL_H))
					InvalidateRect(hWnd,NULL,TRUE);
			}
			else
				MessageBox(hWnd,"File not loaded yet!","Error Message",MB_OK|MB_ICONEXCLAMATION);
			break;
		case IDM_VSOBEL:
			if(hImgData!=NULL){
				if(TemplateOperation(hWnd,TEMPLATE_SOBEL_V))
					InvalidateRect(hWnd,NULL,TRUE);
			}
			else
				MessageBox(hWnd,"File not loaded yet!","Error Message",MB_OK|MB_ICONEXCLAMATION);
			break;
		case IDM_HISOSOBEL:
			if(hImgData!=NULL){
				if(TemplateOperation(hWnd,TEMPLATE_ISOSOBEL_H))
					InvalidateRect(hWnd,NULL,TRUE);
			}
			else
				MessageBox(hWnd,"File not loaded yet!","Error Message",MB_OK|MB_ICONEXCLAMATION);
			break;
		case IDM_VISOSOBEL:
			if(hImgData!=NULL){
				if(TemplateOperation(hWnd,TEMPLATE_ISOSOBEL_V))
					InvalidateRect(hWnd,NULL,TRUE);
			}
			else
				MessageBox(hWnd,"File not loaded yet!","Error Message",MB_OK|MB_ICONEXCLAMATION);
			break;
		case IDM_HOUGH:
			if(hImgData!=NULL) 
				Hough(hWnd);
			else
				MessageBox(hWnd,"File not loaded yet!","Error Message",MB_OK|MB_ICONEXCLAMATION);
			break;
		case IDM_HMEDIAN:
			if(hImgData!=NULL){
				if(MedianFilter(hWnd,TRUE))
					InvalidateRect(hWnd,NULL,TRUE);
			}
			else
				MessageBox(hWnd,"File not loaded yet!","Error Message",MB_OK|MB_ICONEXCLAMATION);
			break;
		case IDM_VMEDIAN:
			if(hImgData!=NULL){
				if(MedianFilter(hWnd,FALSE))
					InvalidateRect(hWnd,NULL,TRUE);
			}
			else
				MessageBox(hWnd,"File not loaded yet!","Error Message",MB_OK|MB_ICONEXCLAMATION);
			break;
		case IDM_LOG:
			if(hImgData!=NULL){
				if(LapOfGauss(hWnd))
					InvalidateRect(hWnd,NULL,TRUE);
			}
			else
				MessageBox(hWnd,"File not loaded yet!","Error Message",MB_OK|MB_ICONEXCLAMATION);
			break;
		case IDM_CONTOUR:
			if(hImgData!=NULL){
				if(Contour(hWnd))
					InvalidateRect(hWnd,NULL,TRUE);
			}
			else
				MessageBox(hWnd,"File not loaded yet!","Error Message",MB_OK|MB_ICONEXCLAMATION);
			break;
		case IDM_SEEDFILL:
			if(hImgData!=NULL){
				IsSelecting=TRUE;
				MessageBox(hWnd,"Please click the area to be filled!","Message",MB_OK|MB_ICONEXCLAMATION);
			}
			else
				MessageBox(hWnd,"File not loaded yet!","Error Message",MB_OK|MB_ICONEXCLAMATION);
			break;
		case IDM_HPROJECTION:
			if(hImgData!=NULL){
				if(Projection(hWnd,TRUE))
					InvalidateRect(hWnd,NULL,TRUE);
			}
			else
				MessageBox(hWnd,"File not loaded yet!","Error Message",MB_OK|MB_ICONEXCLAMATION);
			break;
		case IDM_VPROJECTION:
			if(hImgData!=NULL){
				if(Projection(hWnd,FALSE))
					InvalidateRect(hWnd,NULL,TRUE);
			}
			else
				MessageBox(hWnd,"File not loaded yet!","Error Message",MB_OK|MB_ICONEXCLAMATION);
			break;
		case IDM_SUBTRACTION:
			if(hImgData!=NULL){
				MessageBox(hWnd,"Be sure that c:\\test.bmp and c:\\backgnd.bmp are both 256 grayscale bitmaps ! They must be same size and have same palette!","Important",MB_OK);
				if(Subtraction(hWnd))
					InvalidateRect(hWnd,NULL,TRUE);
			}
			else
				MessageBox(hWnd,"File not loaded yet!","Error Message",MB_OK|MB_ICONEXCLAMATION);
			break;
		case IDM_RUNLENGTH:
			//注意重新分配内存和调色板，位图句柄时，先释放原来的
	        if(hBitmap!=NULL){     
				DeleteObject(hBitmap);
	            hBitmap=NULL;
	        }
	        if(hPalette!=NULL){                     
				DeleteObject(hPalette);
	            hPalette=NULL;
	        }
			if(hImgData!=NULL){
				GlobalUnlock(hImgData);
				GlobalFree(hImgData);  
				hImgData=NULL;
			}	        
			if(LoadPcxFile(hWnd,"c:\\test.pcx")) //成功，则重画窗口
                InvalidateRect(hWnd,NULL,TRUE);
	        break;
		case IDM_JPEG:
			//注意重新分配内存和调色板，位图句柄时，先释放原来的
	        if(hBitmap!=NULL){     
				DeleteObject(hBitmap);
	            hBitmap=NULL;
	        }
	        if(hPalette!=NULL){                     
				DeleteObject(hPalette);
	            hPalette=NULL;
	        }
			if(hImgData!=NULL){
				GlobalUnlock(hImgData);
				GlobalFree(hImgData);  
				hImgData=NULL;
			}	        
			if(LoadJpegFile(hWnd,"c:\\test.jpg")) //成功，则重画窗口
                InvalidateRect(hWnd,NULL,TRUE);
	        break;
		case IDM_EXIT:
	        SendMessage(hWnd,WM_DESTROY,0,0L);
	        break;
	    }
	break;                
    }
    return DefWindowProc (hWnd, message, wParam, lParam);
}
////////////////////////////////////////////////////////////////
BOOL LoadBmpFile (HWND hWnd,char *BmpFileName)
{   
    HFILE              hf;
    LPBITMAPINFOHEADER lpImgData;
    LOGPALETTE         *pPal;
    LPRGBQUAD          lpRGB;
    HPALETTE           hPrevPalette; 
    HDC                hDc;
	HLOCAL             hPal;
	DWORD 		       ImgSize;
	DWORD              i;

    if((hf=_lopen(BmpFileName,OF_READ))==HFILE_ERROR){
        MessageBox(hWnd,"File c:\\test.bmp not found!","Error Message",MB_OK|MB_ICONEXCLAMATION);
        return FALSE;
	}
	_lread(hf,(LPSTR)&bf,sizeof(BITMAPFILEHEADER)); 
	_lread(hf,(LPSTR)&bi,sizeof(BITMAPINFOHEADER));
	ImgWidth=bi.biWidth;
	ImgHeight=bi.biHeight;
	LineBytes=(DWORD)WIDTHBYTES(bi.biWidth*bi.biBitCount);
	ImgSize=(DWORD)LineBytes*bi.biHeight;
    if(bi.biClrUsed!=0)
		NumColors=(DWORD)bi.biClrUsed;
	else
        switch(bi.biBitCount){
	       	case 1:
        	    NumColors=2;
        	    break;
        	case 4:
        	    NumColors=16;
        	    break;
        	case 8:
        	    NumColors=256;
        	    break;
        	case 24:
        	    NumColors=0;
        	    break;
              default:
                  MessageBox(hWnd,"Invalid color numbers!","Error Message",MB_OK|MB_ICONEXCLAMATION);
                  _lclose(hf);
                  return FALSE; 
        }
	if(bf.bfOffBits!=(DWORD)(NumColors*sizeof(RGBQUAD)+sizeof(BITMAPFILEHEADER)
							+sizeof(BITMAPINFOHEADER)))
	{
    	MessageBox(hWnd,"Invalid color numbers!","Error Message" ,MB_OK|
	               MB_ICONEXCLAMATION);
		_lclose(hf);
		return FALSE; 
	}
	bf.bfSize=sizeof(BITMAPFILEHEADER)+sizeof(BITMAPINFOHEADER)+NumColors*sizeof(RGBQUAD)+ImgSize;
	if((hImgData=GlobalAlloc(GHND,(DWORD)(sizeof(BITMAPINFOHEADER)+
						     NumColors*sizeof(RGBQUAD)+ImgSize)))==NULL)
	{
    	MessageBox(hWnd,"Error alloc memory!","ErrorMessage",MB_OK|
                   MB_ICONEXCLAMATION);
	    _lclose(hf);
		return FALSE;
	}
  
	lpImgData=(LPBITMAPINFOHEADER)GlobalLock(hImgData); 
    _llseek(hf,sizeof(BITMAPFILEHEADER),FILE_BEGIN);
	_hread(hf,(char *)lpImgData,(long)sizeof(BITMAPINFOHEADER)
           +(long)NumColors*sizeof(RGBQUAD)+ImgSize);
	_lclose(hf);
    if(NumColors!=0)
	{                    
	    hPal=LocalAlloc(LHND,sizeof(LOGPALETTE) + NumColors* sizeof(PALETTEENTRY));
	    pPal =(LOGPALETTE *)LocalLock(hPal);
	    pPal->palNumEntries =(WORD) NumColors;
		pPal->palVersion    = 0x300;
	    lpRGB = (LPRGBQUAD)((LPSTR)lpImgData + (DWORD)sizeof(BITMAPINFOHEADER));
		for (i = 0; i < NumColors; i++) {
     		pPal->palPalEntry[i].peRed=lpRGB->rgbRed;
			pPal->palPalEntry[i].peGreen=lpRGB->rgbGreen;
			pPal->palPalEntry[i].peBlue=lpRGB->rgbBlue;
			pPal->palPalEntry[i].peFlags=(BYTE)0;
			lpRGB++;
		}
		hPalette=CreatePalette(pPal);
		LocalUnlock(hPal);
		LocalFree(hPal);
	}
	hDc=GetDC(hWnd);
	if(hPalette){
        hPrevPalette=SelectPalette(hDc,hPalette,FALSE);
		RealizePalette(hDc);
	}
	hBitmap=CreateDIBitmap(hDc,	(LPBITMAPINFOHEADER)lpImgData, (LONG)CBM_INIT,
				(LPSTR)lpImgData+sizeof(BITMAPINFOHEADER) +NumColors*sizeof(RGBQUAD),
   				(LPBITMAPINFO)lpImgData, DIB_RGB_COLORS);
	if(hPalette && hPrevPalette){
		SelectPalette(hDc,hPrevPalette,FALSE);
		RealizePalette(hDc);
	}
 
	ReleaseDC(hWnd,hDc);
	GlobalUnlock(hImgData);
	return TRUE; 
}
////////////////////////////////////////////////////////////////
BOOL CALLBACK InputBox( HWND hDlg, UINT message,WPARAM wParam, LPARAM lParam )