#include "AnalysisManager.h"

IplImage* GetFontDiscerImage(char* sourcePath)
{
?? ? //打開(kāi)要識(shí)別字符的圖像
?? ?IplImage *image = cvLoadImage(sourcePath);
?? ? if(image == NULL)
?? ? {
? ? ? ? printf("錯(cuò)誤：無(wú)法打開(kāi)該圖像文件！");
?? ? }

?? ?//轉(zhuǎn)換到灰度圖
?? ?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);

?? ?//尋找輪廓
?? ?CvMemStorage *pStorage = cvCreateMemStorage(0);
?? ?CvSeq *pConInner = NULL;
?? ?int num = cvFindContours(img_value, pStorage, &pConInner, sizeof(CvContour),
?? ??? ?CV_RETR_EXTERNAL, CV_CHAIN_APPROX_SIMPLE);
?? ?// 獲取輪廓在圖像中的矩陣坐標(biāo)

?? ?//根據(jù)輪廓坐標(biāo)使用方框標(biāo)出來(lái)
?? ?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轉(zhuǎn)換為CBitmap類(lèi)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轉(zhuǎn)換為IplImage類(lèi)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();

}
?

總結(jié)

以上是生活随笔為你收集整理的MFC与OpenCv中的图片转换实例的全部?jī)?nèi)容，希望文章能夠幫你解決所遇到的問(wèn)題。

如果覺(jué)得生活随笔網(wǎng)站內(nèi)容還不錯(cuò)，歡迎將生活随笔推薦給好友。