forked from enricoros/fotowall
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CPixmap.cpp
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CPixmap.cpp
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/****************************
* Auteur :Tanguy Arnaud
* Date : 2008
*
* Copyright (C) 2008 TANGUY Arnaud
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
******************************/
#include "CPixmap.h"
#include "GlowEffectWidget.h"
#include <QImage>
CPixmap::CPixmap() {
}
CPixmap::CPixmap(const QString &fileName) : QPixmap(fileName), m_filePath(fileName) {
}
CPixmap::CPixmap(const QPixmap &pixmap): QPixmap(pixmap){
}
void CPixmap::addEffect(const CEffect & effect) {
switch (effect.effect) {
case CEffect::ClearEffects:
clearEffects();
break;
case CEffect::FlipH:
toHFlip();
break;
case CEffect::FlipV:
toVFlip();
break;
case CEffect::InvertColors:
toInvertedColors();
break;
case CEffect::NVG:
toNVG();
break;
case CEffect::BlackAndWhite:
toBlackAndWhite();
break;
case CEffect::Glow:
toGlow((int)effect.param);
break;
case CEffect::Sepia:
toSepia();
break;
}
}
QList<CEffect> CPixmap::effects() const {
return m_effects;
}
void CPixmap::clearEffects() {
//Reload the image to remove the effects
if( !m_filePath.isEmpty() ) {
load(m_filePath);
m_effects.clear();
}
}
void CPixmap::toNVG() {
m_effects.push_back(CEffect::NVG);
QImage img = this->toImage();
QImage dest(img.size(), img.format());
QColor pixel;
for(int x=0; x<img.width();x++) {
for (int y=0; y<img.height(); y++) {
pixel = img.pixel(x, y);
unsigned int average = (pixel.green()+ pixel.red() + pixel.blue()) / 3;
pixel.setGreen(average);
pixel.setBlue(average);
pixel.setRed(average);
dest.setPixel(x,y,pixel.rgb());
}
}
updateImage(dest);
}
void CPixmap::toInvertedColors() {
m_effects.push_back(CEffect::InvertColors);
QImage img = this->toImage();
img.invertPixels();
updateImage(img);
}
void CPixmap::toHFlip() {
m_effects.push_back(CEffect::FlipH);
QImage img = this->toImage().mirrored(true, false);
updateImage(img);
}
void CPixmap::toVFlip() {
m_effects.push_back(CEffect::FlipV);
QImage img = this->toImage().mirrored(false, true);
updateImage(img);
}
void CPixmap::toBlackAndWhite() {
m_effects.push_back(CEffect::BlackAndWhite);
QImage img = this->toImage();
QImage dest(img.size(), img.format());
QColor pixel;
for(int x=0; x<img.width();x++) {
for (int y=0; y<img.height(); y++) {
pixel = img.pixel(x, y);
unsigned int average = (pixel.green()+ pixel.red() + pixel.blue()) / 3;
if(average > 127)
average = 255;
else
average = 0;
pixel.setGreen(average);
pixel.setBlue(average);
pixel.setRed(average);
dest.setPixel(x,y,pixel.rgb());
}
}
updateImage(dest);
}
void CPixmap::toGlow(int radius) {
m_effects.push_back(CEffect(CEffect::Glow, (qreal)radius));
GlowEffectWidget effect;
QImage dest = effect.glow(this->toImage(), radius);
updateImage(dest);
}
void CPixmap::toSepia() {
m_effects.push_back(CEffect::Sepia);
QImage img = this->toImage();
QImage dest(img.size(), img.format());
QColor pixel;
for(int x=0; x<img.width();x++) {
for (int y=0; y<img.height(); y++) {
pixel = img.pixel(x, y);
unsigned int average = (pixel.green()+ pixel.red() + pixel.blue()) / 3;
int red = average*1.176, green = average*0.837, blue = average*0.558;
pixel.setRed((red <= 255) ? red : 255 );
pixel.setGreen((green <= 255) ? green : 255 );
pixel.setBlue((blue <= 255) ? blue : 255 );
dest.setPixel(x,y,pixel.rgb());
}
}
updateImage(dest);
}
/*
void CPixmap::toLuminosity(int value) {
m_effects.push_back(...);
QImage img = this->toImage();
QImage dest(img.size(), img.format());
QColor pixel;
for(int x=0; x<img.width();x++) {
for (int y=0; y<img.height(); y++) {
pixel = img.pixel(x, y);
int green = pixel.green() + value;
int red = pixel.red() + value;
int blue = pixel.blue() + value;
if(green > 255) green = 255;
else if(green < 0) green = 0;
if(red > 255) red = 255;
else if(red < 0) red = 0;
if(blue > 255) blue = 255;
else if(blue <0) blue = 0;
pixel.setGreen(green);
pixel.setBlue(blue);
pixel.setRed(red);
dest.setPixel(x,y,pixel.rgb());
}
}
updateImage(dest);
}
*/
void CPixmap::updateImage(QImage &newImage) {
QString copyFilePath = m_filePath;
QList<CEffect> copyEffects = m_effects;
*this = fromImage(newImage);
m_filePath = copyFilePath;
m_effects = copyEffects;
}