CvvImage类
从OpenCV 2.2.0开始，OpenCV取消了CvvImage这个类。可是今天要用到，可以自己加入到工程中。
首先，找到CvvImage的原代码。我在网上已经找到了，具体代码如下。
这是CvvImage.h文件。
#pragma once
#ifndef CVVIMAGE_CLASS_DEF
#define CVVIMAGE_CLASS_DEF
#include "opencv.hpp"
/* CvvImage class definition */
class CvvImage
{
public:
CvvImage();
virtual ~CvvImage();
/* Create image (BGR or grayscale) */
virtual bool Create( int width, int height, int bits_per_pixel, int image_origin = );
/* Load image from specified file */
virtual bool Load( const char* filename, int desired_color = );
/* Load rectangle from the file */
virtual bool LoadRect( const char* filename,
int desired_color, CvRect r );
#if defined WIN32 || defined _WIN32
virtual bool LoadRect( const char* filename,
int desired_color, RECT r )
{
return LoadRect( filename, desired_color,
cvRect( r.left, r.top, r.right - r.left, r.bottom - r.top ));
}
#endif
/* Save entire image to specified file. */
virtual bool Save( const char* filename );
/* Get copy of input image ROI */
virtual void CopyOf( CvvImage& image, int desired_color = - );
virtual void CopyOf( IplImage* img, int desired_color = - );
IplImage* GetImage() { return m_img; };
virtual void Destroy(void);
/* width and height of ROI */
int Width() { return !m_img ? : !m_img->roi ? m_img->width : m_img->roi->width; };
int Height() { return !m_img ? : !m_img->roi ? m_img->height : m_img->roi->height;};
int Bpp() { return m_img ? (m_img->depth & )*m_img->nChannels : ; };
virtual void Fill( int color );
/* draw to highgui window */
virtual void Show( const char* window ); #if defined WIN32 || defined _WIN32
/* draw part of image to the specified DC */
virtual void Show( HDC dc, int x, int y, int width, int height,
int from_x = , int from_y = );
/* draw the current image ROI to the specified rectangle of the destination DC */
virtual void DrawToHDC( HDC hDCDst, RECT* pDstRect );
#endif
protected:
IplImage* m_img;
};
typedef CvvImage CImage;
#endif
原代码文件:
#include "StdAfx.h"
#include "CvvImage.h"
//////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////
CV_INLINE RECT NormalizeRect( RECT r );
CV_INLINE RECT NormalizeRect( RECT r )
{
int t;
if( r.left > r.right )
{
t = r.left;
r.left = r.right;
r.right = t;
}
if( r.top > r.bottom )
{
t = r.top;
r.top = r.bottom;
r.bottom = t;
} return r;
}
CV_INLINE CvRect RectToCvRect( RECT sr );
CV_INLINE CvRect RectToCvRect( RECT sr )
{
sr = NormalizeRect( sr );
return cvRect( sr.left, sr.top, sr.right - sr.left, sr.bottom - sr.top );
}
CV_INLINE RECT CvRectToRect( CvRect sr );
CV_INLINE RECT CvRectToRect( CvRect sr )
{
RECT dr;
dr.left = sr.x;
dr.top = sr.y;
dr.right = sr.x + sr.width;
dr.bottom = sr.y + sr.height; return dr;
}
CV_INLINE IplROI RectToROI( RECT r );
CV_INLINE IplROI RectToROI( RECT r )
{
IplROI roi;
r = NormalizeRect( r );
roi.xOffset = r.left;
roi.yOffset = r.top;
roi.width = r.right - r.left;
roi.height = r.bottom - r.top;
roi.coi = ; return roi;
}
void FillBitmapInfo( BITMAPINFO* bmi, int width, int height, int bpp, int origin )
{
assert( bmi && width >= && height >= && (bpp == || bpp == || bpp == )); BITMAPINFOHEADER* bmih = &(bmi->bmiHeader); memset( bmih, , sizeof(*bmih));
bmih->biSize = sizeof(BITMAPINFOHEADER);
bmih->biWidth = width;
bmih->biHeight = origin ? abs(height) : -abs(height);
bmih->biPlanes = ;
bmih->biBitCount = (unsigned short)bpp;
bmih->biCompression = BI_RGB;
if( bpp == )
{
RGBQUAD* palette = bmi->bmiColors;
int i;
for( i = ; i < ; i++ )
{
palette[i].rgbBlue = palette[i].rgbGreen = palette[i].rgbRed = (BYTE)i;
palette[i].rgbReserved = ;
}
}
}
CvvImage::CvvImage()
{
m_img = ;
}
void CvvImage::Destroy()
{
cvReleaseImage( &m_img );
}
CvvImage::~CvvImage()
{
Destroy();
}
bool CvvImage::Create( int w, int h, int bpp, int origin )
{
const unsigned max_img_size = ; if( (bpp != && bpp != && bpp != ) ||
(unsigned)w >= max_img_size || (unsigned)h >= max_img_size ||
(origin != IPL_ORIGIN_TL && origin != IPL_ORIGIN_BL))
{
assert(); // most probably, it is a programming error
return false;
}
if( !m_img || Bpp() != bpp || m_img->width != w || m_img->height != h )
{
if( m_img && m_img->nSize == sizeof(IplImage))
Destroy();
/* prepare IPL header */
m_img = cvCreateImage( cvSize( w, h ), IPL_DEPTH_8U, bpp/ );
}
if( m_img )
m_img->origin = origin == ? IPL_ORIGIN_TL : IPL_ORIGIN_BL;
return m_img != ;
}
void CvvImage::CopyOf( CvvImage& image, int desired_color )
{
IplImage* img = image.GetImage();
if( img )
{
CopyOf( img, desired_color );
}
}
#define HG_IS_IMAGE(img) \
((img) != && ((const IplImage*)(img))->nSize == sizeof(IplImage) && \
((IplImage*)img)->imageData != )
void CvvImage::CopyOf( IplImage* img, int desired_color )
{
if( HG_IS_IMAGE(img) )
{
int color = desired_color;
CvSize size = cvGetSize( img );
if( color < )
color = img->nChannels > ;
if( Create( size.width, size.height,
(!color ? : img->nChannels > ? img->nChannels : )*,
img->origin ))
{
cvConvertImage( img, m_img, );
}
}
}
bool CvvImage::Load( const char* filename, int desired_color )
{
IplImage* img = cvLoadImage( filename, desired_color );
if( !img )
return false; CopyOf( img, desired_color );
cvReleaseImage( &img ); return true;
}
bool CvvImage::LoadRect( const char* filename,
int desired_color, CvRect r )
{
if( r.width < || r.height < ) return false; IplImage* img = cvLoadImage( filename, desired_color );
if( !img )
return false;
if( r.width == || r.height == )
{
r.width = img->width;
r.height = img->height;
r.x = r.y = ;
}
if( r.x > img->width || r.y > img->height ||
r.x + r.width < || r.y + r.height < )
{
cvReleaseImage( &img );
return false;
}
/* truncate r to source image */
if( r.x < )
{
r.width += r.x;
r.x = ;
}
if( r.y < )
{
r.height += r.y;
r.y = ;
}
if( r.x + r.width > img->width )
r.width = img->width - r.x; if( r.y + r.height > img->height )
r.height = img->height - r.y;
cvSetImageROI( img, r );
CopyOf( img, desired_color );
cvReleaseImage( &img );
return true;
}
bool CvvImage::Save( const char* filename )
{
if( !m_img )
return false;
cvSaveImage( filename, m_img );
return true;
}
void CvvImage::Show( const char* window )
{
if( m_img )
cvShowImage( window, m_img );
}
void CvvImage::Show( HDC dc, int x, int y, int w, int h, int from_x, int from_y )
{
if( m_img && m_img->depth == IPL_DEPTH_8U )
{
uchar buffer[sizeof(BITMAPINFOHEADER) + ];
BITMAPINFO* bmi = (BITMAPINFO*)buffer;
int bmp_w = m_img->width, bmp_h = m_img->height;
FillBitmapInfo( bmi, bmp_w, bmp_h, Bpp(), m_img->origin );
from_x = MIN( MAX( from_x, ), bmp_w - );
from_y = MIN( MAX( from_y, ), bmp_h - );
int sw = MAX( MIN( bmp_w - from_x, w ), );
int sh = MAX( MIN( bmp_h - from_y, h ), );
SetDIBitsToDevice(
dc, x, y, sw, sh, from_x, from_y, from_y, sh,
m_img->imageData + from_y*m_img->widthStep,
bmi, DIB_RGB_COLORS );
}
}
void CvvImage::DrawToHDC( HDC hDCDst, RECT* pDstRect )
{
if( pDstRect && m_img && m_img->depth == IPL_DEPTH_8U && m_img->imageData )
{
uchar buffer[sizeof(BITMAPINFOHEADER) + ];
BITMAPINFO* bmi = (BITMAPINFO*)buffer;
int bmp_w = m_img->width, bmp_h = m_img->height;
CvRect roi = cvGetImageROI( m_img );
CvRect dst = RectToCvRect( *pDstRect );
if( roi.width == dst.width && roi.height == dst.height )
{
Show( hDCDst, dst.x, dst.y, dst.width, dst.height, roi.x, roi.y );
return;
}
if( roi.width > dst.width )
{
SetStretchBltMode(
hDCDst, // handle to device context
HALFTONE );
}
else
{
SetStretchBltMode(
hDCDst, // handle to device context
COLORONCOLOR );
}
FillBitmapInfo( bmi, bmp_w, bmp_h, Bpp(), m_img->origin );
::StretchDIBits(
hDCDst,
dst.x, dst.y, dst.width, dst.height,
roi.x, roi.y, roi.width, roi.height,
m_img->imageData, bmi, DIB_RGB_COLORS, SRCCOPY );
}
}
void CvvImage::Fill( int color )
{
cvSet( m_img, cvScalar(color&,(color>>)&,(color>>)&,(color>>)&) );
}
#include "StdAfx.h"
#include "CvvImage.h"
//////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////
CV_INLINE RECT NormalizeRect( RECT r );
CV_INLINE RECT NormalizeRect( RECT r )
{
int t;
if( r.left > r.right )
{
t = r.left;
r.left = r.right;
r.right = t;
}
if( r.top > r.bottom )
{
t = r.top;
r.top = r.bottom;
r.bottom = t;
} return r;
}
CV_INLINE CvRect RectToCvRect( RECT sr );
CV_INLINE CvRect RectToCvRect( RECT sr )
{
sr = NormalizeRect( sr );
return cvRect( sr.left, sr.top, sr.right - sr.left, sr.bottom - sr.top );
}
CV_INLINE RECT CvRectToRect( CvRect sr );
CV_INLINE RECT CvRectToRect( CvRect sr )
{
RECT dr;
dr.left = sr.x;
dr.top = sr.y;
dr.right = sr.x + sr.width;
dr.bottom = sr.y + sr.height; return dr;
}
CV_INLINE IplROI RectToROI( RECT r );
CV_INLINE IplROI RectToROI( RECT r )
{
IplROI roi;
r = NormalizeRect( r );
roi.xOffset = r.left;
roi.yOffset = r.top;
roi.width = r.right - r.left;
roi.height = r.bottom - r.top;
roi.coi = ; return roi;
}
void FillBitmapInfo( BITMAPINFO* bmi, int width, int height, int bpp, int origin )
{
assert( bmi && width >= && height >= && (bpp == || bpp == || bpp == )); BITMAPINFOHEADER* bmih = &(bmi->bmiHeader); memset( bmih, , sizeof(*bmih));
bmih->biSize = sizeof(BITMAPINFOHEADER);
bmih->biWidth = width;
bmih->biHeight = origin ? abs(height) : -abs(height);
bmih->biPlanes = ;
bmih->biBitCount = (unsigned short)bpp;
bmih->biCompression = BI_RGB;
if( bpp == )
{
RGBQUAD* palette = bmi->bmiColors;
int i;
for( i = ; i < ; i++ )
{
palette[i].rgbBlue = palette[i].rgbGreen = palette[i].rgbRed = (BYTE)i;
palette[i].rgbReserved = ;
}
}
}
CvvImage::CvvImage()
{
m_img = ;
}
void CvvImage::Destroy()
{
cvReleaseImage( &m_img );
}
CvvImage::~CvvImage()
{
Destroy();
}
bool CvvImage::Create( int w, int h, int bpp, int origin )
{
const unsigned max_img_size = ; if( (bpp != && bpp != && bpp != ) ||
(unsigned)w >= max_img_size || (unsigned)h >= max_img_size ||
(origin != IPL_ORIGIN_TL && origin != IPL_ORIGIN_BL))
{
assert(); // most probably, it is a programming error
return false;
}
if( !m_img || Bpp() != bpp || m_img->width != w || m_img->height != h )
{
if( m_img && m_img->nSize == sizeof(IplImage))
Destroy();
/* prepare IPL header */
m_img = cvCreateImage( cvSize( w, h ), IPL_DEPTH_8U, bpp/ );
}
if( m_img )
m_img->origin = origin == ? IPL_ORIGIN_TL : IPL_ORIGIN_BL;
return m_img != ;
}
void CvvImage::CopyOf( CvvImage& image, int desired_color )
{
IplImage* img = image.GetImage();
if( img )
{
CopyOf( img, desired_color );
}
}
#define HG_IS_IMAGE(img) \
((img) != && ((const IplImage*)(img))->nSize == sizeof(IplImage) && \
((IplImage*)img)->imageData != )
void CvvImage::CopyOf( IplImage* img, int desired_color )
{
if( HG_IS_IMAGE(img) )
{
int color = desired_color;
CvSize size = cvGetSize( img );
if( color < )
color = img->nChannels > ;
if( Create( size.width, size.height,
(!color ? : img->nChannels > ? img->nChannels : )*,
img->origin ))
{
cvConvertImage( img, m_img, );
}
}
}
bool CvvImage::Load( const char* filename, int desired_color )
{
IplImage* img = cvLoadImage( filename, desired_color );
if( !img )
return false; CopyOf( img, desired_color );
cvReleaseImage( &img ); return true;
}
bool CvvImage::LoadRect( const char* filename,
int desired_color, CvRect r )
{
if( r.width < || r.height < ) return false; IplImage* img = cvLoadImage( filename, desired_color );
if( !img )
return false;
if( r.width == || r.height == )
{
r.width = img->width;
r.height = img->height;
r.x = r.y = ;
}
if( r.x > img->width || r.y > img->height ||
r.x + r.width < || r.y + r.height < )
{
cvReleaseImage( &img );
return false;
}
/* truncate r to source image */
if( r.x < )
{
r.width += r.x;
r.x = ;
}
if( r.y < )
{
r.height += r.y;
r.y = ;
}
if( r.x + r.width > img->width )
r.width = img->width - r.x; if( r.y + r.height > img->height )
r.height = img->height - r.y;
cvSetImageROI( img, r );
CopyOf( img, desired_color );
cvReleaseImage( &img );
return true;
}
bool CvvImage::Save( const char* filename )
{
if( !m_img )
return false;
cvSaveImage( filename, m_img );
return true;
}
void CvvImage::Show( const char* window )
{
if( m_img )
cvShowImage( window, m_img );
}
void CvvImage::Show( HDC dc, int x, int y, int w, int h, int from_x, int from_y )
{
if( m_img && m_img->depth == IPL_DEPTH_8U )
{
uchar buffer[sizeof(BITMAPINFOHEADER) + ];
BITMAPINFO* bmi = (BITMAPINFO*)buffer;
int bmp_w = m_img->width, bmp_h = m_img->height;
FillBitmapInfo( bmi, bmp_w, bmp_h, Bpp(), m_img->origin );
from_x = MIN( MAX( from_x, ), bmp_w - );
from_y = MIN( MAX( from_y, ), bmp_h - );
int sw = MAX( MIN( bmp_w - from_x, w ), );
int sh = MAX( MIN( bmp_h - from_y, h ), );
SetDIBitsToDevice(
dc, x, y, sw, sh, from_x, from_y, from_y, sh,
m_img->imageData + from_y*m_img->widthStep,
bmi, DIB_RGB_COLORS );
}
}
void CvvImage::DrawToHDC( HDC hDCDst, RECT* pDstRect )
{
if( pDstRect && m_img && m_img->depth == IPL_DEPTH_8U && m_img->imageData )
{
uchar buffer[sizeof(BITMAPINFOHEADER) + ];
BITMAPINFO* bmi = (BITMAPINFO*)buffer;
int bmp_w = m_img->width, bmp_h = m_img->height;
CvRect roi = cvGetImageROI( m_img );
CvRect dst = RectToCvRect( *pDstRect );
if( roi.width == dst.width && roi.height == dst.height )
{
Show( hDCDst, dst.x, dst.y, dst.width, dst.height, roi.x, roi.y );
return;
}
if( roi.width > dst.width )
{
SetStretchBltMode(
hDCDst, // handle to device context
HALFTONE );
}
else
{
SetStretchBltMode(
hDCDst, // handle to device context
COLORONCOLOR );
}
FillBitmapInfo( bmi, bmp_w, bmp_h, Bpp(), m_img->origin );
::StretchDIBits(
hDCDst,
dst.x, dst.y, dst.width, dst.height,
roi.x, roi.y, roi.width, roi.height,
m_img->imageData, bmi, DIB_RGB_COLORS, SRCCOPY );
}
}
void CvvImage::Fill( int color )
{
cvSet( m_img, cvScalar(color&,(color>>)&,(color>>)&,(color>>)&) );
}
找到原文件之后就好办了。你就可以自己添加到自己的所需要的工程中去了。
其次：保存文件
将上面的文件要保存起来，分别将其粘贴在.txt文件中，然后改掉名字为：CvvImage.h 和 CvvImage.cpp
最后：添加CvvImage文件
打开solution Explorer ，右击Header files，添加CvvImage.h; 再右击Source files 添加 CvvImage.cpp
如图所示：
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