OpenCV2没有了CvvImage,抄下低版本的CvvImage,可用于MFC中。
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//////头文件CvvImage.h
#ifndef CVVIMAGE_CLASS_DEF_H
#define CVVIMAGE_CLASS_DEF_H
#include <cv.h>
#include <highgui.h>
#include <GdiPlus.h>
using namespace Gdiplus;
#pragma comment(lib,"gdiplus.lib")
/* 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 = 0 );
/* Load image from specified file */
virtual bool Load( const char* filename, int desired_color = 1 );
/* 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 = -1 );
virtual void CopyOf( IplImage* img, int desired_color = -1 );
IplImage* GetImage() { return m_img; };
virtual void Destroy(void);
/* width and height of ROI */
int Width() { return !m_img ? 0 : !m_img->roi ? m_img->width : m_img->roi->width; };
int Height() { return !m_img ? 0 : !m_img->roi ? m_img->height : m_img->roi->height;};
int Bpp() { return m_img ? (m_img->depth & 255)*m_img->nChannels : 0; };
virtual void Fill( int color );
/* draw to highgui window */
virtual void Show( const char* window );
/*convert picture format*/
void IplImageToBitmap(IplImage* pIplImg, Bitmap* &pBitmap);
void BitmapToIplImage(Bitmap* pBitmap, IplImage* &pIplImg);
BOOL IplImage2CBtmap(HDC dc,IplImage *pImage,CBitmap *bitmap);
#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 = 0, int from_y = 0 );
/* draw the current image ROI to the specified rectangle of the destination DC */
virtual void DrawToHDC( HDC hDCDst, RECT* pDstRect );
#endif
protected: //modify by deng
IplImage* m_img;
public:
inline void SetIplImage(IplImage* pimg)
{
m_img=pimg;
}
inline IplImage* GetIplImage()
{
return m_img;
}
};
//typedef CvvImage CImage;
#endif
/////////////////////////////////////
///cpp文件 CvvImage.cpp
#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 = 0;
return roi;
}
void FillBitmapInfo( BITMAPINFO* bmi, int width, int height, int bpp, int origin )
{
assert( bmi && width >= 0 && height >= 0 && (bpp == 8 || bpp == 24 || bpp == 32));
BITMAPINFOHEADER* bmih = &(bmi->bmiHeader);
memset( bmih, 0, sizeof(*bmih));
bmih->biSize = sizeof(BITMAPINFOHEADER);
bmih->biWidth = width;
bmih->biHeight = origin ? abs(height) : -abs(height);
bmih->biPlanes = 1;
bmih->biBitCount = (unsigned short)bpp;
bmih->biCompression = BI_RGB;
if( bpp == 8 )
{
RGBQUAD* palette = bmi->bmiColors;
int i;
for( i = 0; i < 256; i++ )
{
palette[i].rgbBlue = palette[i].rgbGreen = palette[i].rgbRed = (BYTE)i;
palette[i].rgbReserved = 0;
}
}
}
CvvImage::CvvImage()
{
m_img = 0;
}
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 = 10000;
if( (bpp != 8 && bpp != 24 && bpp != 32) ||
(unsigned)w >= max_img_size || (unsigned)h >= max_img_size ||
(origin != IPL_ORIGIN_TL && origin != IPL_ORIGIN_BL))
{
assert(0); // 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/8 );
}
if( m_img )
m_img->origin = origin == 0 ? IPL_ORIGIN_TL : IPL_ORIGIN_BL;
return m_img != 0;
}
void CvvImage::CopyOf( CvvImage& image, int desired_color )
{
IplImage* img = image.GetImage();
if( img )
{
CopyOf( img, desired_color );
}
}
#define HG_IS_IMAGE(img) ((img)!= 0 && ((const IplImage*)(img))->nSize == sizeof(IplImage) && ((IplImage*)img)->imageData != 0)
void CvvImage::CopyOf( IplImage* img, int desired_color )
{
if( HG_IS_IMAGE(img) )
{
int color = desired_color;
CvSize size = cvGetSize( img );
if( color < 0 )
color = img->nChannels > 1;
if( Create( size.width, size.height,
(!color ? 1 : img->nChannels > 1 ? img->nChannels : 3)*8,
img->origin ))
{
cvConvertImage( img, m_img, 0 );
}
}
}
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 < 0 || r.height < 0 ) return false;
IplImage* img = cvLoadImage( filename, desired_color );
if( !img )
return false;
if( r.width == 0 || r.height == 0 )
{
r.width = img->width;
r.height = img->height;
r.x = r.y = 0;
}
if( r.x > img->width || r.y > img->height ||
r.x + r.width < 0 || r.y + r.height < 0 )
{
cvReleaseImage( &img );
return false;
}
/* truncate r to source image */
if( r.x < 0 )
{
r.width += r.x;
r.x = 0;
}
if( r.y < 0 )
{
r.height += r.y;
r.y = 0;
}
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) + 1024];
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, 0 ), bmp_w - 1 );
from_y = MIN( MAX( from_y, 0 ), bmp_h - 1 );
int sw = MAX( MIN( bmp_w - from_x, w ), 0 );
int sh = MAX( MIN( bmp_h - from_y, h ), 0 );
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) + 1024];
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&255,(color>>8)&255,(color>>16)&255,(color>>24)&255) );
}
// pIplImage 需要外部释放
void CvvImage::BitmapToIplImage(Bitmap* pBitmap, IplImage* &pIplImg)
{
if (!pBitmap)
{
return;
}
if(pIplImg)
{
cvReleaseImage(&pIplImg);
pIplImg = NULL;
}
BitmapData bmpData;
Rect rect(0,0,pBitmap->GetWidth(),pBitmap->GetHeight());
pBitmap->LockBits(&rect, ImageLockModeRead, PixelFormat24bppRGB, &bmpData);
IplImage* tempImg = cvCreateImage(cvSize(pBitmap->GetWidth(), pBitmap->GetHeight()), IPL_DEPTH_8U, 3);
BYTE* temp = (bmpData.Stride>0)?((BYTE*)bmpData.Scan0):((BYTE*)bmpData.Scan0+bmpData.Stride*(bmpData.Height-1));
memcpy(tempImg->imageData, temp, abs(bmpData.Stride)*bmpData.Height);
pBitmap->UnlockBits(&bmpData);
pIplImg = tempImg;
//判断Top-Down or Bottom-Up
if (bmpData.Stride<0)
cvFlip(pIplImg, pIplImg);
}
//OpenCV中 IplImage 转 Gdiplus::Bitmap
// pBitmap 同样需要外部释放！！
void CvvImage::IplImageToBitmap(IplImage* pIplImg, Bitmap* &pBitmap)
{
if(!pIplImg)
return;
BITMAPINFOHEADER bmih;
memset(&bmih, 0, sizeof(BITMAPINFOHEADER));
bmih.biSize = sizeof(BITMAPINFOHEADER);
bmih.biWidth = pIplImg->width;
bmih.biHeight = pIplImg->height;
bmih.biPlanes = 1;
bmih.biBitCount = pIplImg->depth*pIplImg->nChannels;
bmih.biSizeImage = pIplImg->imageSize;
BYTE* pData=new BYTE[bmih.biSizeImage];
memcpy(pData, pIplImg->imageDataOrigin, pIplImg->imageSize);
/* if (pBitmap)
{
delete pBitmap;
pBitmap = NULL;
}*/
pBitmap = Gdiplus::Bitmap::FromBITMAPINFO((BITMAPINFO*)&bmih, pData);
}
BOOL CvvImage::IplImage2CBtmap(HDC dc,IplImage *pImage,CBitmap *bitmap)
{
if( pImage && pImage->depth == IPL_DEPTH_8U )
{
uchar buffer[sizeof(BITMAPINFOHEADER) + 1024];
BITMAPINFO* bmi = (BITMAPINFO*)buffer;
int bmp_w = pImage->width, bmp_h = pImage->height;
//FillBitmapInfo( bmi, bmp_w, bmp_h, Bpp(), pImage->origin );
int width=bmp_w;
int height=bmp_h;
int bpp=pImage ? (pImage->depth & 255)*pImage->nChannels : 0;
int origin=pImage->origin;
HBITMAP hBitmap;
char* dst_data = 0;
assert( bmi && width >= 0 && height >= 0 && (bpp == 8 || bpp == 24 || bpp == 32));
BITMAPINFOHEADER* bmih = &(bmi->bmiHeader);
memset( bmih, 0, sizeof(*bmih));
bmih->biSize = sizeof(BITMAPINFOHEADER);
bmih->biWidth = width;
bmih->biHeight = origin ? abs(height) : -abs(height);
bmih->biPlanes = 1;
bmih->biBitCount = (unsigned short)bpp;
bmih->biCompression = BI_RGB;
if( bpp == 8 )
{
RGBQUAD* palette = bmi->bmiColors;
int i;
for( i = 0; i < 256; i++ )
{
palette[i].rgbBlue = palette[i].rgbGreen = palette[i].rgbRed = (BYTE)i;
palette[i].rgbReserved = 0;
}
}
if(bitmap->m_hObject!=NULL)
{
bitmap->Detach();
}
hBitmap=CreateDIBitmap(dc,bmih,CBM_INIT,pImage->imageData,bmi,DIB_RGB_COLORS);
bitmap->Attach(hBitmap);
return TRUE;
}
return FALSE;
}
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