//--------------------------------------------------------------------------------
void ofxCvShortImage::operator = ( const ofxCvColorImage& _mom ) {
// cast non-const, no worries, we will reverse any chages
ofxCvColorImage& mom = const_cast<ofxCvColorImage&>(_mom);
if( mom.getWidth() == 0 || mom.getHeight() == 0 ){
ofLog(OF_LOG_ERROR, "in =, mom width or height is 0");
return;
}
if( !bAllocated ){
ofLog(OF_LOG_NOTICE, "in =, allocating to match dimensions");
allocate(mom.getWidth(), mom.getHeight());
}
if( matchingROI(getROI(), mom.getROI()) ) {
if( cvGrayscaleImage == NULL ) {
cvGrayscaleImage = cvCreateImage( cvSize(width,height), IPL_DEPTH_8U, 1 );
}
ofRectangle roi = getROI();
setImageROI(cvGrayscaleImage, roi);
cvCvtColor( mom.getCvImage(), cvGrayscaleImage, CV_RGB2GRAY );
convertGrayToShort(cvGrayscaleImage, cvImage);
setImageROI(cvGrayscaleImage, roi);
flagImageChanged();
} else {
ofLog(OF_LOG_ERROR, "in =, ROI mismatch");
}
}
//--------------------------------------------------------------------------------
void ofxCvFloatImage::setRoiFromPixels( const unsigned char* _pixels, int w, int h ) {
if( w == 0 || h == 0 ){
ofLog(OF_LOG_ERROR, "in setFromPixels, w and h cannot = 0");
return;
}
if(!bAllocated){
ofLog(OF_LOG_ERROR, "in setRoiFromPixels, image is not allocated");
return;
}
ofRectangle roi = getROI();
ofRectangle inputROI = ofRectangle( roi.x, roi.y, w, h);
ofRectangle iRoi = getIntersectionROI( roi, inputROI );
if( iRoi.width > 0 && iRoi.height > 0 ) {
if( cvGrayscaleImage == NULL ) {
cvGrayscaleImage = cvCreateImage( cvSize(width,height), IPL_DEPTH_8U, 1 );
}
setImageROI(cvGrayscaleImage, roi); //make sure ROI is in sync
// copy _pixels into cvGrayscaleImage
for( int i=0; i < iRoi.height; i++ ) {
memcpy( cvGrayscaleImage->imageData + ((i+(int)iRoi.y)*cvGrayscaleImage->widthStep) + (int)iRoi.x,
_pixels + (i*w),
(int)(iRoi.width) );
}
convertGrayToFloat(cvGrayscaleImage, cvImage);
flagImageChanged();
} else {
ofLog(OF_LOG_ERROR, "in setRoiFromPixels, ROI mismatch");
}
}
//--------------------------------------------------------------------------------
void ofxCvColorImage::operator = ( const ofxCvShortImage& _mom ) {
// cast non-const, no worries, we will reverse any chages
ofxCvShortImage& mom = const_cast<ofxCvShortImage&>(_mom);
if( mom.getWidth() == 0 || mom.getHeight() == 0 ){
ofLogError("ofxCvColorImage") << "operator=: source width and/or height are zero:"
<< mom.getWidth() << " " << mom.getHeight();
return;
}
if( !bAllocated ){
ofLogNotice("ofxCvColorImage") << "operator=: allocating to match dimensions: "
<< mom.getWidth() << " " << mom.getHeight();
allocate(mom.getWidth(), mom.getHeight());
}
if( matchingROI(getROI(), mom.getROI()) ) {
if( cvGrayscaleImage == NULL ) {
cvGrayscaleImage = cvCreateImage( cvSize(width,height), IPL_DEPTH_8U, 1 );
}
ofRectangle roi = getROI();
setImageROI(cvGrayscaleImage, roi);
rangeMap( mom.getCvImage(), cvGrayscaleImage, 0, 65535.0f, 0, 255.0f );
cvCvtColor( cvGrayscaleImage, cvImage, CV_GRAY2RGB );
flagImageChanged();
} else {
ofLogError("ofxCvColorImage") << "operator=: region of interest mismatch";
}
}
//--------------------------------------------------------------------------------
unsigned char* ofxCvFloatImage::getRoiPixels(){
if(bPixelsDirty) {
if( cvGrayscaleImage == NULL ) {
cvGrayscaleImage = cvCreateImage( cvSize(width,height), IPL_DEPTH_8U, 1 );
}
ofRectangle roi = getROI();
setImageROI(cvGrayscaleImage, roi); //make sure ROI is in sync
convertFloatToGray(cvImage, cvGrayscaleImage);
if(pixels == NULL) {
// we need pixels, allocate it
pixels = new unsigned char[(int)(roi.width*roi.height)];
pixelsWidth = roi.width;
pixelsHeight = roi.height;
} else if(pixelsWidth != roi.width || pixelsHeight != roi.height) {
// ROI changed, reallocate pixels for new size
delete pixels;
pixels = new unsigned char[(int)(roi.width*roi.height)];
pixelsWidth = roi.width;
pixelsHeight = roi.height;
}
// copy from ROI to pixels
for( int i = 0; i < roi.height; i++ ) {
memcpy( pixels + (int)(i*roi.width),
cvGrayscaleImage->imageData + ((int)(i+roi.y)*cvGrayscaleImage->widthStep) + (int)roi.x,
roi.width );
}
bPixelsDirty = false;
}
return pixels;
}
//--------------------------------------------------------------------------------
IplImage* ofxCvFloatImage::getCv8BitsRoiImage() {
if( !bAllocated ){
ofLog(OF_LOG_WARNING, "in getCv8BitsRoiImage, image is not allocated");
}
if(bPixelsDirty) {
if( cvGrayscaleImage == NULL ) {
cvGrayscaleImage = cvCreateImage( cvSize(width,height), IPL_DEPTH_8U, 1 );
}
ofRectangle roi = getROI();
setImageROI(cvGrayscaleImage, roi); //make sure ROI is in sync
convertFloatToGray(cvImage, cvGrayscaleImage);
}
return cvGrayscaleImage;
}
//--------------------------------------------------------------------------------
void ofxCvColorImage::operator = ( const ofxCvShortImage& _mom ) {
// cast non-const, no worries, we will reverse any chages
ofxCvShortImage& mom = const_cast<ofxCvShortImage&>(_mom);
if( matchingROI(getROI(), mom.getROI()) ) {
if( cvGrayscaleImage == NULL ) {
cvGrayscaleImage = cvCreateImage( cvSize(width,height), IPL_DEPTH_8U, 1 );
}
ofRectangle roi = getROI();
setImageROI(cvGrayscaleImage, roi);
rangeMap( mom.getCvImage(), cvGrayscaleImage, 0, 65535.0f, 0, 255.0f );
cvCvtColor( cvGrayscaleImage, cvImage, CV_GRAY2RGB );
flagImageChanged();
} else {
ofLog(OF_LOG_ERROR, "in =, ROI mismatch");
}
}