AlbumShaper
1.0a3
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Go to the source code of this file.
Classes | |
class | MosaicOptions |
Functions | |
QImage * | mosaicEffect (QString filename, MosaicOptions *options) |
QImage* mosaicEffect | ( | QString | filename, |
MosaicOptions * | options | ||
) |
Definition at line 290 of file mosaic.cpp.
References colorTiles, constructColorTiles(), constructImageTiles(), editedImage, MosaicOptions::getFileList(), ManipulationOptions::getStatus(), MosaicOptions::getTileSize(), imageTiles, StatusWidget::incrementProgress(), newProgress, StatusWidget::showProgressBar(), splatBestTile(), status, and updateIncrement.
Referenced by EditingInterface::applyEffect().
{ //load image QImage* editedImage = new QImage( filename ); //convert to 32-bit depth if necessary if( editedImage->depth() < 32 ) { QImage* tmp = editedImage; editedImage = new QImage( tmp->convertDepth( 32, Qt::AutoColor ) ); delete tmp; tmp=NULL; } //determine if busy indicators will be used bool useBusyIndicators = false; StatusWidget* status = NULL; if( options != NULL && options->getStatus() != NULL ) { useBusyIndicators = true; status = options->getStatus(); } //intialize seed using current time srand( unsigned(time(NULL)) ); //determine tile size QSize tileSize; if(options == NULL) tileSize = QSize(6,6); //6 is big enough to be visible, but not so blocky the image looks bad else tileSize =options->getTileSize(); //construct tile set TileSet* tileSet = NULL; if( options != NULL && options->getFileList().size() > 0 ) { constructImageTiles(options->getFileList(), tileSize); tileSet = &imageTiles; } else { constructColorTiles(tileSize); tileSet = &colorTiles; } //setup progress bar if(useBusyIndicators) { QString statusMessage = qApp->translate( "mosaicEffect", "Applying Mosaic Effect:" ); status->showProgressBar( statusMessage, 100 ); qApp->processEvents(); } //update progress bar for every 1% of completion const int updateIncrement = (int) ( (0.01 * editedImage->width() * editedImage->height()) / (tileSize.width() * tileSize.height()) ); int newProgress = 0; //iterate over each selected scanline int x, y; for(y=0; y<editedImage->height(); y+=tileSize.height()) { for( x=0; x<editedImage->width(); x+=tileSize.width()) { //splat the best tile splatBestTile( editedImage, QPoint(x,y), tileSet ); //update status bar if significant progress has been made since last update if(useBusyIndicators) { newProgress++; if(newProgress >= updateIncrement) { newProgress = 0; status->incrementProgress(); qApp->processEvents(); } } } } //return pointer to edited image return editedImage; }