C++ (Cpp) getCv8BitsRoiImage примеры использования

Пример #1

Файл: ofxCvImage.cpp Проект: prettyextreme/openFrameworks-0.7

//--------------------------------------------------------------------------------
ofPixelsRef  ofxCvImage::getRoiPixelsRef(){
	if(bRoiPixelsDirty) {
		IplImage * cv8bit= getCv8BitsRoiImage();
		ofRectangle roi = getROI();
		unsigned char * roi_ptr = (unsigned char*)cv8bit->imageData + ((int)(roi.y)*cv8bit->widthStep + (int)roi.x * cv8bit->nChannels);
		roiPixels.setFromAlignedPixels(roi_ptr,roi.width,roi.height,cv8bit->nChannels,cv8bit->widthStep);
		bRoiPixelsDirty = false;
	}
	return roiPixels;
}

Пример #2

Файл: ofxCvImage.cpp Проект: 4ker/openFrameworks

//--------------------------------------------------------------------------------
ofPixels& ofxCvImage::getRoiPixels(){
	if(!bAllocated) {
		ofLogWarning("ofxCvImage") << "getRoiPixels(): image not allocated";
	} else if(bRoiPixelsDirty) {
		IplImage * cv8bit= getCv8BitsRoiImage();
		ofRectangle roi = getROI();
		unsigned char * roi_ptr = (unsigned char*)cv8bit->imageData + ((int)(roi.y)*cv8bit->widthStep + (int)roi.x * cv8bit->nChannels);
		roiPixels.setFromAlignedPixels(roi_ptr,roi.width,roi.height,cv8bit->nChannels,cv8bit->widthStep);
		bRoiPixelsDirty = false;
	}
	return roiPixels;
}