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#include "AnalysisManager.h"
IplImage* GetFontDiscerImage(char* sourcePath) { //打开要识别字符的图像 IplImage *image = cvLoadImage(sourcePath); if(image == NULL) { printf("错误:无法打开该图像文件!"); }//转换到灰度图
IplImage *img_gray = cvCreateImage(cvGetSize(image), image->depth, 1); cvCvtColor(image, img_gray, CV_BGR2GRAY); //二值化 IplImage *img_value = cvCreateImage(cvGetSize(img_gray), image->depth, 1); cvThreshold(img_gray, img_value, 100, 255, CV_THRESH_BINARY_INV);//寻找轮廓
CvMemStorage *pStorage = cvCreateMemStorage(0); CvSeq *pConInner = NULL; int num = cvFindContours(img_value, pStorage, &pConInner, sizeof(CvContour), CV_RETR_EXTERNAL, CV_CHAIN_APPROX_SIMPLE); // 获取轮廓在图像中的矩阵坐标//根据轮廓坐标使用方框标出来
for (int i = 0; i < num; i++) {CvRect rc = cvBoundingRect(pConInner);
cvDrawRect(image, cvPoint(rc.x, rc.y), cvPoint(rc.x + rc.width, rc.y + rc.height), CV_RGB(255, 0, 0)); pConInner = pConInner->h_next; } return image; } void GetResult(IplImage* img_value) { }//IplImage转换为CBitmap类型
CBitmap *IplImage2CBitmap(const IplImage *pImage)
{ if (pImage && pImage->depth == IPL_DEPTH_8U) { HDC hDC = GetDC(NULL); uchar buffer[sizeof(BITMAPINFOHEADER)+1024]; BITMAPINFO* bmi = (BITMAPINFO*)buffer; int bmp_w = pImage->width, bmp_h = pImage->height; FillBitmapInfo(bmi, bmp_w, bmp_h, pImage->depth*pImage->nChannels, pImage->origin);char *pBits = NULL;
HBITMAP hBitmap = CreateDIBSection(hDC, bmi, DIB_RGB_COLORS, (void**)&pBits, NULL, 0); memcpy(pBits, pImage->imageData, pImage->imageSize); CBitmap *pBitmap = new CBitmap; pBitmap->Attach(hBitmap);return pBitmap;
} else return NULL; }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; } } }//CBitmap转换为IplImage类型
IplImage *CBitmap2IplImage(const CBitmap *pBitmap)
{ DIBSECTION ds; pBitmap->GetObject(sizeof(ds), &ds); IplImage *pImage = cvCreateImage(cvSize(ds.dsBm.bmWidth, ds.dsBm.bmHeight), 8, ds.dsBmih.biBitCount / 8); memcpy(pImage->imageData, ds.dsBm.bmBits, pImage->imageSize); return pImage; }void DrawCbitMapToControl(CWnd* cwind, CBitmap* bitmap)
{CDC* pDC = cwind->GetDC();
CDC dcMem; dcMem.CreateCompatibleDC(NULL);CRect rect;
cwind->GetClientRect(rect); BITMAP btSize; bitmap->GetBitmap(&btSize); dcMem.SelectObject(bitmap);pDC->BitBlt(0, 0, rect.Width(), rect.Height(), &dcMem, 0, 0, SRCCOPY);
dcMem.DeleteDC();}
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