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Functions | |
| QImage * | removeRedeyeRegions (QString filename, QPoint topLeftExtreme, QPoint bottomRightExtreme, StatusWidget *status) |
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Definition at line 206 of file redEye.cpp. References desaturateBlobs(), desaturateEntireImage(), editedImage, findBestTwoBlobs(), findBlobs(), findRegionOfInterest(), id1, newProgress, rawImage, StatusWidget::setStatus(), StatusWidget::showProgressBar(), sortBlobsByDecreasingSize(), status, topLeft, and updateIncrement. Referenced by EditingInterface::removeRedeye(). 00209 {
00210 //store handle to status widget
00211 status = statusWidget;
00212
00213 //load original image
00214 rawImage = QImage( filename );
00215
00216 //sanity check: unable to load image
00217 if(rawImage.isNull()) { return NULL; }
00218
00219 //convert to 32-bit depth if necessary
00220 if( rawImage.depth() < 32 ) { rawImage = rawImage.convertDepth( 32, Qt::AutoColor ); }
00221
00222 //sanity check: make sure topLeftExtreme and bottomRightExtreme are within image boundary
00223 topLeftExtreme.setX( QMAX( topLeftExtreme.x(), 0 ) );
00224 topLeftExtreme.setY( QMAX( topLeftExtreme.y(), 0 ) );
00225 bottomRightExtreme.setX( QMIN( bottomRightExtreme.x(), rawImage.width()-1 ) );
00226 bottomRightExtreme.setY( QMIN( bottomRightExtreme.y(), rawImage.height()-1 ) );
00227
00228 //setup progress bar
00229 QString statusMessage = qApp->translate( "removeRedeyeRegions", "Removing Red-Eye:" );
00230 status->showProgressBar( statusMessage, 100 );
00231 qApp->processEvents();
00232
00233 //update progress bar for every 1% of completion
00234 updateIncrement = (int) ( 0.01 *
00235 ( bottomRightExtreme.x() - topLeftExtreme.x() + 1 ) *
00236 ( bottomRightExtreme.y() - topLeftExtreme.y() + 1 ) );
00237 newProgress = 0;
00238
00239 //find region of interest: constrain search box to boundary that actually contains red enough pixels
00240 findRegionOfInterest(topLeftExtreme, bottomRightExtreme);
00241
00242 //if no pixels were found then immediately return a NULL pointer signaling no change
00243 if(topLeft.x() == -1)
00244 {
00245 //hide progress bar
00246 status->setStatus( "" );
00247 qApp->processEvents();
00248
00249 return NULL;
00250 }
00251
00252 //load an editing image
00253 //two images mus be loaded becuase pixel values are replaced
00254 //using a compbination of niehgbors and their own in order
00255 //to avoid sharp lines at the edge of the saturated region
00256 editedImage = new QImage( filename );
00257
00258 //sanity check: unable to allocated edited image
00259 if( editedImage == NULL)
00260 {
00261 //hide progress bar
00262 status->setStatus( "" );
00263 qApp->processEvents();
00264
00265 return NULL;
00266 }
00267
00268 //convert to 32-bit depth if necessary
00269 if( editedImage->depth() < 32 )
00270 {
00271 QImage* tmp = editedImage;
00272 editedImage = new QImage( tmp->convertDepth( 32, Qt::AutoColor ) );
00273 delete tmp; tmp=NULL;
00274 }
00275
00276 findBlobs();
00277 sortBlobsByDecreasingSize();
00278 findBestTwoBlobs();
00279
00280 //if we found two good blobs then desaturate those only
00281 if(id1 != -1)
00282 {
00283 desaturateBlobs();
00284 }
00285 //else desaturate all pixels above thresh within selection area
00286 else
00287 {
00288 desaturateEntireImage(topLeftExtreme, bottomRightExtreme);
00289 }
00290
00291 //remove status bar
00292 status->setStatus( "" );
00293 qApp->processEvents();
00294
00295 //return pointer to edited image
00296 return editedImage;
00297 }
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1.3.9.1