OpenCV 2.2.0及以上版本CvvImage的使用问题

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转自:http://blog.csdn.net/raodotcong/article/details/6146158

从OpenCV 2.2.0开始,OpenCV取消了CvvImage这个类,使用的时候将该代码加入到工程中便可以使用了

比如:


CvvImage.h

#ifndef CVVIMAGE_CLASS_DEF  #define CVVIMAGE_CLASS_DEF  #ifndef RC_OPENCV_2_1_0  #include <opencv/cv.h>  #include <opencv/highgui.h>  /* 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);#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:IplImage*  m_img;};typedef CvvImage CImage;#endif  #endif  
CvvImage.cpp

#include "stdafx.h"#ifndef RC_OPENCV_2_1_0#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 errorreturn 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 contextHALFTONE);}else{SetStretchBltMode(hDCDst,           // handle to device contextCOLORONCOLOR);}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));}#endif



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