mirror of
https://github.com/YACReader/yacreader
synced 2025-06-03 17:18:23 -04:00
a664eaf90e
corregido bug que causaba que las marcas de leidos no se viesen bajo determinadas circustancias sincronizadas los sliders de ajustar a lo ancho corregido bug que causaba que los mensajes isCover e isLast no se mostrasen en modo de doble p?gina
954 lines
26 KiB
C++
954 lines
26 KiB
C++
#include "render.h"
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#include <cmath>
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#include <QList>
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#include <algorithm>
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#include <QByteArray>
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#include <QPixmap>
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#include <typeinfo>
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#define NL 2
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#define NR 2
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#include "yacreader_global.h"
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template<class T>
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inline const T& kClamp( const T& x, const T& low, const T& high )
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{
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if ( x < low ) return low;
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else if ( high < x ) return high;
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else return x;
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}
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inline
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int changeBrightness( int value, int brightness )
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{
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return kClamp( value + brightness * 255 / 100, 0, 255 );
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}
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inline
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int changeContrast( int value, int contrast )
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{
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return kClamp((( value - 127 ) * contrast / 100 ) + 127, 0, 255 );
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}
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inline
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int changeGamma( int value, int gamma )
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{
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return kClamp( int( pow( value / 255.0, 100.0 / gamma ) * 255 ), 0, 255 );
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}
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inline
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int changeUsingTable( int value, const int table[] )
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{
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return table[ value ];
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}
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template< int operation( int, int ) >
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static
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QImage changeImage( const QImage& image, int value )
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{
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QImage im = image;
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im.detach();
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if( im.numColors() == 0 ) /* truecolor */
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{
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if( im.format() != QImage::Format_RGB32 ) /* just in case */
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im = im.convertToFormat( QImage::Format_RGB32 );
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int table[ 256 ];
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for( int i = 0;
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i < 256;
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++i )
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table[ i ] = operation( i, value );
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if( im.hasAlphaChannel() )
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{
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for( int y = 0;
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y < im.height();
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++y )
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{
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QRgb* line = reinterpret_cast< QRgb* >( im.scanLine( y ));
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for( int x = 0;
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x < im.width();
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++x )
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line[ x ] = qRgba( changeUsingTable( qRed( line[ x ] ), table ),
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changeUsingTable( qGreen( line[ x ] ), table ),
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changeUsingTable( qBlue( line[ x ] ), table ),
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changeUsingTable( qAlpha( line[ x ] ), table ));
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}
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}
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else
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{
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for( int y = 0;
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y < im.height();
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++y )
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{
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QRgb* line = reinterpret_cast< QRgb* >( im.scanLine( y ));
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for( int x = 0;
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x < im.width();
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++x )
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line[ x ] = qRgb( changeUsingTable( qRed( line[ x ] ), table ),
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changeUsingTable( qGreen( line[ x ] ), table ),
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changeUsingTable( qBlue( line[ x ] ), table ));
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}
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}
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}
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else
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{
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QVector<QRgb> colors = im.colorTable();
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for( int i = 0;
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i < im.numColors();
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++i )
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colors[ i ] = qRgb( operation( qRed( colors[ i ] ), value ),
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operation( qGreen( colors[ i ] ), value ),
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operation( qBlue( colors[ i ] ), value ));
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}
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return im;
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}
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// brightness is multiplied by 100 in order to avoid floating point numbers
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QImage changeBrightness( const QImage& image, int brightness )
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{
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if( brightness == 0 ) // no change
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return image;
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return changeImage< changeBrightness >( image, brightness );
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}
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// contrast is multiplied by 100 in order to avoid floating point numbers
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QImage changeContrast( const QImage& image, int contrast )
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{
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if( contrast == 100 ) // no change
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return image;
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return changeImage< changeContrast >( image, contrast );
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}
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// gamma is multiplied by 100 in order to avoid floating point numbers
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QImage changeGamma( const QImage& image, int gamma )
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{
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if( gamma == 100 ) // no change
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return image;
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return changeImage< changeGamma >( image, gamma );
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}
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QMutex mutex;
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//-----------------------------------------------------------------------------
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// MeanNoiseReductionFilter
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//-----------------------------------------------------------------------------
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MeanNoiseReductionFilter::MeanNoiseReductionFilter(enum NeighborghoodSize ns)
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:neighborghoodSize(ns)
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{
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}
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QImage MeanNoiseReductionFilter::setFilter(const QImage & image)
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{
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int width = image.width();
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int height = image.height();
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QImage result(width,height,image.format());
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int filterSize = sqrt((float)neighborghoodSize);
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int bound = filterSize/2;
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QRgb pix;
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int r,g,b;
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for(int j=bound;j<height-bound;j++){
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for(int i=bound;i<width-bound;i++){
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r=g=b=0;
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for(int y=j-bound;y<=j+bound;y++)
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{
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for(int x=i-bound;x<=i+bound;x++)
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{
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pix = image.pixel(x,y);
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r += qRed(pix);
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g += qGreen(pix);
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b += qBlue(pix);
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}
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}
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result.setPixel(i,j,QColor(r/neighborghoodSize,g/neighborghoodSize,b/neighborghoodSize).rgb());
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//qDebug((QString::number(redChannel.at(4))+" "+QString::number(greenChannel.at(4))+" "+QString::number(blueChannel.at(4))).toAscii());
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//qDebug((QString::number(redChannel.size())+" "+QString::number(greenChannel.size())+" "+QString::number(blueChannel.size())).toAscii());
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}
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}
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return result;
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}
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//-----------------------------------------------------------------------------
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// MedianNoiseReductionFilter
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//-----------------------------------------------------------------------------
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MedianNoiseReductionFilter::MedianNoiseReductionFilter(enum NeighborghoodSize ns)
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:neighborghoodSize(ns)
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{
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}
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QImage MedianNoiseReductionFilter::setFilter(const QImage & image)
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{
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int width = image.width();
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int height = image.height();
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QImage result(width,height,image.format());
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int filterSize = sqrt((float)neighborghoodSize);
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int bound = filterSize/2;
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QRgb pix;
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QList<int> redChannel;
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QList<int> greenChannel;
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QList<int> blueChannel;
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for(int j=bound;j<height-bound;j++){
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for(int i=bound;i<width-bound;i++){
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redChannel.clear();
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greenChannel.clear();
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blueChannel.clear();
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for(int y=j-bound;y<=j+bound;y++)
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{
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for(int x=i-bound;x<=i+bound;x++)
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{
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pix = image.pixel(x,y);
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redChannel.push_back(qRed(pix));
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greenChannel.push_back(qGreen(pix));
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blueChannel.push_back(qBlue(pix));
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}
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}
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std::sort(redChannel.begin(),redChannel.end());
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std::sort(greenChannel.begin(),greenChannel.end());
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std::sort(blueChannel.begin(),blueChannel.end());
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result.setPixel(i,j,QColor(redChannel.at(4),greenChannel.at(4),blueChannel.at(4)).rgb());
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}
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}
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return result;
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}
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//-----------------------------------------------------------------------------
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// BrightnessFilter
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//-----------------------------------------------------------------------------
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BrightnessFilter::BrightnessFilter(int l)
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:level(l)
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{
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}
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QImage BrightnessFilter::setFilter(const QImage & image)
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{
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/*int width = image.width();
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int height = image.height();
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QImage result(width,height,image.format());
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for(int j=0;j<height;j++){
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for(int i=0;i<width;i++){
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result.setPixel(i,j,QColor(image.pixel(i,j)).light(level).rgb());
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}
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}
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return result;*/
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QSettings settings(QCoreApplication::applicationDirPath()+"/YACReader.ini",QSettings::IniFormat);
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return changeBrightness(image,settings.value(BRIGHTNESS,0).toInt());
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}
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//-----------------------------------------------------------------------------
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// ContrastFilter
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//-----------------------------------------------------------------------------
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ContrastFilter::ContrastFilter(int l)
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:level(l)
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{
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}
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QImage ContrastFilter::setFilter(const QImage & image)
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{
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/*int width = image.width();
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int height = image.height();
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QImage result(width,height,image.format());
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int min,max,v;
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min = 0;
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max = 255;
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int sum = 0;
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QVector<int> hist(256,0);
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for(int j=0;j<height;j++){
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for(int i=0;i<width;i++){
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hist[QColor(image.pixel(i,j)).lightness()]++;
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sum++;
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}
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}
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long double count = sum;
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long double new_count = 0.0;
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long double percentage,next_percentage;
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for (int i = 0; i < 254; i++)
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{
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new_count += hist[i];
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percentage = new_count/count;
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next_percentage = (new_count+hist[i+1])/count;
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if(fabs (percentage - 0.006) < fabs (next_percentage - 0.006))
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{
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min = i+1;
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break;
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}
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}
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new_count=0.0;
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for (int i = 255; i > 1; i--)
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{
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new_count += hist[i];
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percentage = new_count/count;
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next_percentage = (new_count+hist[i-1])/count;
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if(fabs (percentage - 0.006) < fabs (next_percentage - 0.006))
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{
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max = i-1;
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break;
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}
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}
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QColor c;
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int range = max - min;
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for(int j=0;j<height;j++){
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for(int i=0;i<width;i++){
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c = QColor(image.pixel(i,j));
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result.setPixel(i,j,c.light(((c.lightness()-min)/range*1.0)*255).rgb());
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}
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}
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return result;*/
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QSettings settings(QCoreApplication::applicationDirPath()+"/YACReader.ini",QSettings::IniFormat);
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return changeContrast(image,settings.value(CONTRAST,100).toInt());
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}
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//-----------------------------------------------------------------------------
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// ContrastFilter
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//-----------------------------------------------------------------------------
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GammaFilter::GammaFilter(int l)
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:level(l)
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{
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}
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QImage GammaFilter::setFilter(const QImage & image)
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{
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QSettings settings(QCoreApplication::applicationDirPath()+"/YACReader.ini",QSettings::IniFormat);
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return changeGamma(image,settings.value(GAMMA,100).toInt());
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}
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//-----------------------------------------------------------------------------
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// PageRender
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//-----------------------------------------------------------------------------
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PageRender::PageRender()
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:QThread()
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{
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}
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PageRender::PageRender(int np, const QByteArray & rd, QImage * p,unsigned int d, QVector<ImageFilter *> f)
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:QThread(),
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numPage(np),
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data(rd),
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page(p),
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degrees(d),
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filters(f)
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{
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}
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void PageRender::run()
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{
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QMutexLocker locker(&mutex);
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QImage img;
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img.loadFromData(data);
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if(degrees > 0)
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{
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QMatrix m;
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m.rotate(degrees);
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img = img.transformed(m,Qt::SmoothTransformation);
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}
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for(int i=0;i<filters.size();i++)
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{
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img = filters[i]->setFilter(img);
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}
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*page = img;
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emit pageReady(numPage);
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}
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//-----------------------------------------------------------------------------
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// DoublePageRender
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//-----------------------------------------------------------------------------
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DoublePageRender::DoublePageRender(int np, const QByteArray & rd, const QByteArray & rd2, QImage * p,unsigned int d, QVector<ImageFilter *> f)
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:PageRender(),
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numPage(np),
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data(rd),
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data2(rd2),
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page(p),
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degrees(d),
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filters(f)
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{
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}
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void DoublePageRender::run()
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{
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//QImage result;
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QMutexLocker locker(&mutex);
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QImage img, img2;
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if(!data.isEmpty())
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img.loadFromData(data);
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if(!data2.isEmpty())
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img2.loadFromData(data2);
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/*if(img.isNull())
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img = QPixmap(img2.width(),img2.height());
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if(img2.isNull())
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img2 = QPixmap(img.width(),img.height());*/
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int x,y;
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x = img.width()+img2.width();
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y = qMax(img.height(),img2.height());
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QImage auxImg(x,y,QImage::Format_RGB32);
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QPainter painter(&auxImg);
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painter.drawImage(0,0,img);
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painter.drawImage(img.width(),0,img2);
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painter.end();
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if(degrees > 0)
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{
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QMatrix m;
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m.rotate(degrees);
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auxImg = auxImg.transformed(m,Qt::SmoothTransformation);
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}
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for(int i=0;i<filters.size();i++)
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{
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auxImg = filters[i]->setFilter(auxImg);
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}
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*page = auxImg;
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emit pageReady(numPage);
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}
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//-----------------------------------------------------------------------------
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// Render
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//-----------------------------------------------------------------------------
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Render::Render()
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:currentIndex(0),doublePage(false),comic(0),loadedComic(false),imageRotation(0),numLeftPages(NL),numRightPages(NR)
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{
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int size = numLeftPages+numRightPages+1;
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currentPageBufferedIndex = numLeftPages;
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for(int i = 0; i<size; i++)
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{
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buffer.push_back(new QImage());
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pageRenders.push_back(0);
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}
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filters.push_back(new BrightnessFilter());
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filters.push_back(new ContrastFilter());
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filters.push_back(new GammaFilter());
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}
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//Este m<>todo se encarga de forzar el renderizado de las p<>ginas.
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//Actualiza el buffer seg<65>n es necesario.
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//si la pagina actual no est<73> renderizada, se lanza un hilo que la renderize (double or single page mode) y se emite una se<73>al que indica que se est<73> renderizando.
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void Render::render()
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{
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updateBuffer();
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if(buffer[currentPageBufferedIndex]->isNull())
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{
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if(pagesReady.size()>0)
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{
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if(doublePage)
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{
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if(pagesReady[currentIndex] && pagesReady[qMin(currentIndex+1,(int)comic->numPages()-1)])
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if(currentIndex+1 > comic->numPages()-1)
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pageRenders[currentPageBufferedIndex] = new DoublePageRender(currentIndex,comic->getRawData()->at(currentIndex),QByteArray(),buffer[currentPageBufferedIndex],imageRotation,filters);
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else
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pageRenders[currentPageBufferedIndex] = new DoublePageRender(currentIndex,comic->getRawData()->at(currentIndex),comic->getRawData()->at(currentIndex+1),buffer[currentPageBufferedIndex],imageRotation,filters);
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else
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//las p<>ginas no est<73>n listas, y se est<73>n cargando en el c<>mic
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emit processingPage(); //para evitar confusiones esta se<73>al deber<65>a llamarse de otra forma
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}
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else
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if(pagesReady[currentIndex])
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pageRenders[currentPageBufferedIndex] = new PageRender(currentIndex,comic->getRawData()->at(currentIndex),buffer[currentPageBufferedIndex],imageRotation,filters);
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else
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//las p<>ginas no est<73>n listas, y se est<73>n cargando en el c<>mic
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emit processingPage(); //para evitar confusiones esta se<73>al deber<65>a llamarse de otra forma
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//si se ha creado un hilo para renderizar la p<>gina actual, se arranca
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if(pageRenders[currentPageBufferedIndex]!=0)
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{
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//se conecta la se<73>al pageReady del hilo, con el SLOT prepareAvailablePage
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connect(pageRenders[currentPageBufferedIndex],SIGNAL(pageReady(int)),this,SLOT(prepareAvailablePage(int)));
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//se emite la se<73>al de procesando, debido a que los hilos se arrancan aqu<71>
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if(doublePage || filters.size()>0)
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emit processingPage();
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pageRenders[currentPageBufferedIndex]->start();
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pageRenders[currentPageBufferedIndex]->setPriority(QThread::TimeCriticalPriority);
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}
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else
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//en qu<71> caso ser<65>a necesario hacer esto??? //TODO: IMPORTANTE, puede que no sea necesario.
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emit processingPage();
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}
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else
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//no hay ninguna p<>gina lista para ser renderizada, es necesario esperar.
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emit processingPage();
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}
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else
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// la p<>gina actual est<73> lista
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emit currentPageReady();
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//se renderizan las p<>ginas restantes para llenar el buffer.
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if(doublePage)
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fillBufferDoublePage();
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else
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fillBuffer();
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}
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QPixmap * Render::getCurrentPage()
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{
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QPixmap * page = new QPixmap();
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*page = page->fromImage(*buffer[currentPageBufferedIndex]);
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return page;
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}
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void Render::setRotation(int degrees)
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{
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}
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void Render::setComic(Comic * c)
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{
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if(comic !=0)
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{
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comic->moveToThread(QApplication::instance()->thread());
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comic->disconnect();
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comic->deleteLater();
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}
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comic = c;
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}
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void Render::prepareAvailablePage(int page)
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{
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if(currentIndex == page)
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||
emit currentPageReady();
|
||
}
|
||
|
||
void Render::update()
|
||
{
|
||
render();
|
||
}
|
||
//-----------------------------------------------------------------------------
|
||
// Comic interface
|
||
//-----------------------------------------------------------------------------
|
||
void Render::load(const QString & path)
|
||
{
|
||
if(comic!=0)
|
||
{
|
||
comic->moveToThread(QApplication::instance()->thread());
|
||
comic->disconnect();
|
||
comic->deleteLater();
|
||
}
|
||
//comic->moveToThread(QApplication::instance()->thread());
|
||
comic = FactoryComic::newComic(path);
|
||
|
||
|
||
if(comic == NULL)//archivo no encontrado o no v<>lido
|
||
{
|
||
emit errorOpening();
|
||
reset();
|
||
return;
|
||
}
|
||
|
||
previousIndex = currentIndex = 0;
|
||
|
||
connect(comic,SIGNAL(errorOpening()),this,SIGNAL(errorOpening()));
|
||
connect(comic,SIGNAL(errorOpening()),this,SLOT(reset()));
|
||
connect(comic,SIGNAL(imageLoaded(int)),this,SIGNAL(imageLoaded(int)));
|
||
connect(comic,SIGNAL(imageLoaded(int)),this,SLOT(pageRawDataReady(int)));
|
||
//connect(comic,SIGNAL(pageChanged(int)),this,SIGNAL(pageChanged(int)));
|
||
connect(comic,SIGNAL(numPages(unsigned int)),this,SIGNAL(numPages(unsigned int)));
|
||
connect(comic,SIGNAL(numPages(unsigned int)),this,SLOT(setNumPages(unsigned int)));
|
||
connect(comic,SIGNAL(imageLoaded(int,QByteArray)),this,SIGNAL(imageLoaded(int,QByteArray)));
|
||
connect(comic,SIGNAL(isBookmark(bool)),this,SIGNAL(currentPageIsBookmark(bool)));
|
||
connect(comic,SIGNAL(isBookmark(bool)),this,SLOT(pageIsBookmark(bool)));
|
||
|
||
connect(comic,SIGNAL(bookmarksUpdated()),this,SIGNAL(bookmarksUpdated()));
|
||
|
||
connect(comic,SIGNAL(isLast()),this,SIGNAL(isLast()));
|
||
connect(comic,SIGNAL(isCover()),this,SIGNAL(isCover()));
|
||
|
||
QThread * thread = NULL;
|
||
if (typeid(*comic) != typeid(FileComic))
|
||
{
|
||
thread = new QThread();
|
||
|
||
comic->moveToThread(thread);
|
||
|
||
connect(thread, SIGNAL(started()), comic, SLOT(process()));
|
||
connect(thread, SIGNAL(finished()), thread, SLOT(deleteLater()));
|
||
|
||
}
|
||
|
||
pagesReady.clear();
|
||
|
||
comic->load(path); //garantiza que se va a intentar abrir el c<>mic
|
||
|
||
if(thread != NULL)
|
||
thread->start();
|
||
|
||
invalidate();
|
||
loadedComic = true;
|
||
update();
|
||
|
||
|
||
}
|
||
|
||
void Render::reset()
|
||
{
|
||
loadedComic = false;
|
||
invalidate();
|
||
}
|
||
//si se solicita la siguiente p<>gina, se calcula cu<63>l debe ser en funci<63>n de si se lee en modo a doble p<>gina o no.
|
||
//la p<>gina s<>lo se renderiza, si realmente ha cambiado.
|
||
void Render::nextPage()
|
||
{
|
||
int nextPage; //indica cu<63>l ser<65> la pr<70>xima p<>gina
|
||
if(doublePage)
|
||
{
|
||
nextPage = currentIndex;
|
||
if(currentIndex+2<comic->numPages())
|
||
{
|
||
nextPage = currentIndex+2;
|
||
if(currentIndex != nextPage)
|
||
comic->setIndex(nextPage);
|
||
}
|
||
}
|
||
else
|
||
{
|
||
nextPage = comic->nextPage();
|
||
}
|
||
|
||
//se fuerza renderizado si la p<>gina ha cambiado
|
||
if(currentIndex != nextPage)
|
||
{
|
||
previousIndex = currentIndex;
|
||
currentIndex = nextPage;
|
||
update();
|
||
}
|
||
else
|
||
emit isLast();
|
||
}
|
||
//si se solicita la p<>gina anterior, se calcula cu<63>l debe ser en funci<63>n de si se lee en modo a doble p<>gina o no.
|
||
//la p<>gina s<>lo se renderiza, si realmente ha cambiado.
|
||
void Render::previousPage()
|
||
{
|
||
int previousPage; //indica cu<63>l ser<65> la pr<70>xima p<>gina
|
||
if(doublePage)
|
||
{
|
||
if(currentIndex == 1)
|
||
invalidate();
|
||
previousPage = qMax(currentIndex-2,0);
|
||
if(currentIndex != previousPage)
|
||
{
|
||
comic->setIndex(previousPage);
|
||
}
|
||
}
|
||
else
|
||
{
|
||
previousPage = comic->previousPage();
|
||
}
|
||
|
||
//se fuerza renderizado si la p<>gina ha cambiado
|
||
if(currentIndex != previousPage)
|
||
{
|
||
previousIndex = currentIndex;
|
||
currentIndex = previousPage;
|
||
update();
|
||
}
|
||
else
|
||
emit isCover();
|
||
}
|
||
unsigned int Render::getIndex()
|
||
{
|
||
return comic->getIndex();
|
||
}
|
||
unsigned int Render::numPages()
|
||
{
|
||
return comic->numPages();
|
||
}
|
||
|
||
bool Render::hasLoadedComic()
|
||
{
|
||
if(comic!=0)
|
||
return comic->loaded();
|
||
return false;
|
||
}
|
||
|
||
void Render::setNumPages(unsigned int numPages)
|
||
{
|
||
pagesReady.fill(false,numPages);
|
||
}
|
||
|
||
void Render::pageRawDataReady(int page)
|
||
{
|
||
pagesEmited.push_back(page);
|
||
if(pageRenders.size()>0)
|
||
{
|
||
for(int i=0;i<pagesEmited.size();i++)
|
||
{
|
||
pagesReady[pagesEmited.at(i)] = true;
|
||
if(pagesEmited.at(i) == currentIndex)
|
||
update();
|
||
|
||
if(doublePage)
|
||
{
|
||
if(pagesEmited.at(i)==currentIndex+1)
|
||
update();
|
||
|
||
if ( ((pagesEmited.at(i) < currentIndex) && (pagesEmited.at(i) > currentIndex-2*numLeftPages)) ||
|
||
((pagesEmited.at(i) > currentIndex+1) && (pagesEmited.at(i) < currentIndex+1+2*numRightPages)) )
|
||
{
|
||
fillBufferDoublePage();
|
||
}
|
||
}
|
||
else
|
||
{
|
||
if ( ((pagesEmited.at(i) < currentIndex) && (pagesEmited.at(i) > currentIndex-numLeftPages)) ||
|
||
((pagesEmited.at(i) > currentIndex) && (pagesEmited.at(i) < currentIndex+numRightPages)) )
|
||
{
|
||
fillBuffer();
|
||
}
|
||
}
|
||
}
|
||
pagesEmited.clear();
|
||
}
|
||
}
|
||
|
||
//s<>lo se renderiza la p<>gina, si ha habido un cambio de p<>gina
|
||
void Render::goTo(int index)
|
||
{
|
||
|
||
if(currentIndex != index)
|
||
{
|
||
comic->setIndex(index);
|
||
previousIndex = currentIndex;
|
||
currentIndex = index;
|
||
|
||
//si cambia la paridad de las p<>gina en modo a doble p<>gina, se rellena el buffer.
|
||
//esto solo deber<65>a orcurrir al llegar al principio o al final
|
||
if(doublePage && ((previousIndex - index) % 2)!=0)
|
||
invalidate();
|
||
|
||
update();
|
||
}
|
||
}
|
||
|
||
void Render::rotateRight()
|
||
{
|
||
imageRotation = (imageRotation+90) % 360;
|
||
reload();
|
||
}
|
||
void Render::rotateLeft()
|
||
{
|
||
if(imageRotation == 0)
|
||
imageRotation = 270;
|
||
else
|
||
imageRotation = imageRotation - 90;
|
||
reload();
|
||
}
|
||
|
||
//Actualiza el buffer, a<>adiendo las im<69>genes (vac<61>as) necesarias para su posterior renderizado y
|
||
//eliminado aquellas que ya no sean necesarias. Tambi<62>n libera los hilos (no estoy seguro de que sea responsabilidad suya)
|
||
//Calcula el n<>mero de nuevas p<>ginas que hay que buferear y si debe hacerlo por la izquierda o la derecha (seg<65>n sea el sentido de la lectura)
|
||
void Render::updateBuffer()
|
||
{
|
||
QMutexLocker locker(&mutex);
|
||
int windowSize = currentIndex - previousIndex;
|
||
if(doublePage)
|
||
{
|
||
windowSize = windowSize/2;
|
||
if(currentIndex == 0 && windowSize == 0 && previousIndex == 1)
|
||
windowSize = -1;
|
||
|
||
}
|
||
if(windowSize > 0)//add pages to right pages and remove on the left
|
||
{
|
||
windowSize = qMin(windowSize,buffer.size());
|
||
for(int i = 0; i < windowSize; i++)
|
||
{
|
||
//renders
|
||
PageRender * pr = pageRenders.front();
|
||
pageRenders.pop_front();
|
||
if(pr !=0)
|
||
{
|
||
if(pr->wait())
|
||
delete pr;
|
||
}
|
||
pageRenders.push_back(0);
|
||
|
||
//images
|
||
|
||
if(buffer.front()!=0)
|
||
delete buffer.front();
|
||
buffer.pop_front();
|
||
buffer.push_back(new QImage());
|
||
}
|
||
}
|
||
else //add pages to left pages and remove on the right
|
||
if(windowSize<0)
|
||
{
|
||
windowSize = -windowSize;
|
||
windowSize = qMin(windowSize,buffer.size());
|
||
for(int i = 0; i < windowSize; i++)
|
||
{
|
||
//renders
|
||
PageRender * pr = pageRenders.back();
|
||
pageRenders.pop_back();
|
||
if(pr !=0)
|
||
{
|
||
if(pr->wait())
|
||
delete pr;
|
||
}
|
||
pageRenders.push_front(0);
|
||
|
||
//images
|
||
buffer.push_front(new QImage());
|
||
QImage * p = buffer.back();
|
||
if(p!=0)
|
||
delete p;
|
||
buffer.pop_back();
|
||
}
|
||
}
|
||
previousIndex = currentIndex;
|
||
}
|
||
|
||
void Render::fillBuffer()
|
||
{
|
||
for(int i = 1; i <= qMax(numLeftPages,numRightPages); i++)
|
||
{
|
||
if ((currentIndex+i < comic->numPages()) &&
|
||
buffer[currentPageBufferedIndex+i]->isNull() &&
|
||
i <= numRightPages &&
|
||
pageRenders[currentPageBufferedIndex+i]==0 &&
|
||
pagesReady[currentIndex+1]) //preload next pages
|
||
{
|
||
pageRenders[currentPageBufferedIndex+i] = new PageRender(currentIndex+i,comic->getRawData()->at(currentIndex+i),buffer[currentPageBufferedIndex+i],imageRotation,filters);
|
||
connect(pageRenders[currentPageBufferedIndex],SIGNAL(pageReady(int)),this,SLOT(prepareAvailablePage(int)));
|
||
pageRenders[currentPageBufferedIndex+i]->start();
|
||
}
|
||
|
||
if ((currentIndex-i > 0) &&
|
||
buffer[currentPageBufferedIndex-i]->isNull() &&
|
||
i <= numLeftPages &&
|
||
pageRenders[currentPageBufferedIndex-i]==0 &&
|
||
pagesReady[currentIndex-1]) //preload previous pages
|
||
{
|
||
pageRenders[currentPageBufferedIndex-i] = new PageRender(currentIndex-i,comic->getRawData()->at(currentIndex-i),buffer[currentPageBufferedIndex-i],imageRotation,filters);
|
||
connect(pageRenders[currentPageBufferedIndex],SIGNAL(pageReady(int)),this,SLOT(prepareAvailablePage(int)));
|
||
pageRenders[currentPageBufferedIndex-i]->start();
|
||
}
|
||
}
|
||
}
|
||
|
||
void Render::fillBufferDoublePage()
|
||
{
|
||
for(int i = 1; i <= qMax(numLeftPages,numRightPages); i++)
|
||
{
|
||
if ((currentIndex+2*i < comic->numPages()) &&
|
||
buffer[currentPageBufferedIndex+i]->isNull() &&
|
||
i <= numRightPages &&
|
||
pageRenders[currentPageBufferedIndex+i]==0 &&
|
||
(pagesReady[currentIndex+2*i] && pagesReady[qMin(currentIndex+(2*i)+1,(int)comic->numPages()-1)])) //preload next pages
|
||
{
|
||
if(currentIndex+(2*i)+1 > comic->numPages()-1)
|
||
pageRenders[currentPageBufferedIndex+i] = new DoublePageRender(currentIndex+2*i,comic->getRawData()->at(currentIndex+(2*i)),QByteArray(),buffer[currentPageBufferedIndex+i],imageRotation,filters);
|
||
else
|
||
pageRenders[currentPageBufferedIndex+i] = new DoublePageRender(currentIndex+2*i,comic->getRawData()->at(currentIndex+(2*i)),comic->getRawData()->at(currentIndex+(2*i)+1),buffer[currentPageBufferedIndex+i],imageRotation,filters);
|
||
connect(pageRenders[currentPageBufferedIndex],SIGNAL(pageReady(int)),this,SLOT(prepareAvailablePage(int)));
|
||
pageRenders[currentPageBufferedIndex+i]->start();
|
||
}
|
||
|
||
if ((currentIndex-2*i >= -1) &&
|
||
buffer[currentPageBufferedIndex-i]->isNull() &&
|
||
i <= numLeftPages &&
|
||
pageRenders[currentPageBufferedIndex-i]==0 &&
|
||
(pagesReady[qMax(currentIndex-2*i,0)] && pagesReady[qMin(currentIndex-(2*i)+1,(int)comic->numPages()-1)])) //preload previous pages
|
||
{
|
||
if(currentIndex-2*i == -1)
|
||
pageRenders[currentPageBufferedIndex-i] = new DoublePageRender(0,QByteArray(),comic->getRawData()->at(0),buffer[currentPageBufferedIndex-i],imageRotation,filters);
|
||
else
|
||
pageRenders[currentPageBufferedIndex-i] = new DoublePageRender(currentIndex-2*i,comic->getRawData()->at(currentIndex-(2*i)),comic->getRawData()->at(currentIndex-(2*i)+1),buffer[currentPageBufferedIndex-i],imageRotation,filters);
|
||
connect(pageRenders[currentPageBufferedIndex],SIGNAL(pageReady(int)),this,SLOT(prepareAvailablePage(int)));
|
||
pageRenders[currentPageBufferedIndex-i]->start();
|
||
}
|
||
}
|
||
}
|
||
|
||
//M<>todo que debe ser llamado cada vez que la estructura del buffer se vuelve inconsistente con el modo de lectura actual.
|
||
//se terminan todos los hilos en ejecuci<63>n y se libera la memoria (de hilos e im<69>genes)
|
||
void Render::invalidate()
|
||
{
|
||
for(int i=0;i<pageRenders.size();i++)
|
||
{
|
||
if(pageRenders[i]!=0)
|
||
{
|
||
pageRenders[i]->wait();
|
||
delete pageRenders[i];
|
||
pageRenders[i] = 0;
|
||
}
|
||
}
|
||
|
||
for(int i=0;i<buffer.size();i++)
|
||
{
|
||
delete buffer[i];
|
||
buffer[i] = new QImage();
|
||
}
|
||
}
|
||
|
||
void Render::doublePageSwitch()
|
||
{
|
||
doublePage = !doublePage;
|
||
if(comic)
|
||
{
|
||
invalidate();
|
||
update();
|
||
}
|
||
}
|
||
|
||
QString Render::getCurrentPagesInformation()
|
||
{
|
||
QString s = QString::number(currentIndex+1);
|
||
if (doublePage && (currentIndex+1 < comic->numPages()))
|
||
s += "-"+QString::number(currentIndex+2);
|
||
s += "/"+QString::number(comic->numPages());
|
||
return s;
|
||
}
|
||
|
||
void Render::setBookmark()
|
||
{
|
||
comic->setBookmark();
|
||
}
|
||
|
||
void Render::removeBookmark()
|
||
{
|
||
comic->removeBookmark();
|
||
}
|
||
|
||
void Render::save()
|
||
{
|
||
comic->saveBookmarks();
|
||
}
|
||
|
||
Bookmarks * Render::getBookmarks()
|
||
{
|
||
return comic->bm;
|
||
}
|
||
|
||
void Render::reload()
|
||
{
|
||
if(comic)
|
||
{
|
||
invalidate();
|
||
update();
|
||
}
|
||
} |