#include "manipulationOptions.h"
#include <qsize.h>
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Classes | |
| class | MosaicOptions |
Functions | |
| QImage * | mosaicEffect (QString filename, MosaicOptions *options) |
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Definition at line 290 of file mosaic.cpp. References constructColorTiles(), constructImageTiles(), editedImage, MosaicOptions::getFileList(), ManipulationOptions::getStatus(), MosaicOptions::getTileSize(), StatusWidget::incrementProgress(), newProgress, StatusWidget::showProgressBar(), splatBestTile(), status, and updateIncrement. Referenced by EditingInterface::applyEffect(). 00291 {
00292 //load image
00293 QImage* editedImage = new QImage( filename );
00294
00295 //convert to 32-bit depth if necessary
00296 if( editedImage->depth() < 32 )
00297 {
00298 QImage* tmp = editedImage;
00299 editedImage = new QImage( tmp->convertDepth( 32, Qt::AutoColor ) );
00300 delete tmp; tmp=NULL;
00301 }
00302
00303 //determine if busy indicators will be used
00304 bool useBusyIndicators = false;
00305 StatusWidget* status = NULL;
00306 if( options != NULL && options->getStatus() != NULL )
00307 {
00308 useBusyIndicators = true;
00309 status = options->getStatus();
00310 }
00311
00312 //intialize seed using current time
00313 srand( unsigned(time(NULL)) );
00314
00315 //determine tile size
00316 QSize tileSize;
00317 if(options == NULL) tileSize = QSize(6,6); //6 is big enough to be visible, but not so blocky the image looks bad
00318 else tileSize =options->getTileSize();
00319
00320 //construct tile set
00321 TileSet* tileSet = NULL;
00322 if( options != NULL && options->getFileList().size() > 0 )
00323 {
00324 constructImageTiles(options->getFileList(), tileSize);
00325 tileSet = &imageTiles;
00326 }
00327 else
00328 {
00329 constructColorTiles(tileSize);
00330 tileSet = &colorTiles;
00331 }
00332
00333 //setup progress bar
00334 if(useBusyIndicators)
00335 {
00336 QString statusMessage = qApp->translate( "mosaicEffect", "Applying Mosaic Effect:" );
00337 status->showProgressBar( statusMessage, 100 );
00338 qApp->processEvents();
00339 }
00340
00341 //update progress bar for every 1% of completion
00342 const int updateIncrement = (int) ( (0.01 * editedImage->width() * editedImage->height()) /
00343 (tileSize.width() * tileSize.height()) );
00344 int newProgress = 0;
00345
00346 //iterate over each selected scanline
00347 int x, y;
00348 for(y=0; y<editedImage->height(); y+=tileSize.height())
00349 {
00350 for( x=0; x<editedImage->width(); x+=tileSize.width())
00351 {
00352 //splat the best tile
00353 splatBestTile( editedImage, QPoint(x,y), tileSet );
00354
00355 //update status bar if significant progress has been made since last update
00356 if(useBusyIndicators)
00357 {
00358 newProgress++;
00359 if(newProgress >= updateIncrement)
00360 {
00361 newProgress = 0;
00362 status->incrementProgress();
00363 qApp->processEvents();
00364 }
00365 }
00366
00367 }
00368 }
00369
00370 //return pointer to edited image
00371 return editedImage;
00372 }
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1.3.9.1