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picture.cpp
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picture.cpp
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#include "picture.h"
Picture::Picture(QImage im)
{
this->im = im;
this->imOriginal = im;
}
Picture::Picture(){
this->imScale.load("");
this->AsciiIm = "";
this->imSmall.load("");
this->im.load("");
this->imOriginal.load("");
this->ImWidth = -1;
this->ImHeight = -1;
}
Picture::~Picture(){
}
void Picture::SetIm(QString path){
this->im.load(path);
this->im = addBackground(this->im);
this->imOriginal = this->im;
this->imSmall = this->im;
this->imSmall = this->imSmall.scaledToHeight(190);
this->ImWidth = this->imSmall.width();
this->ImHeight = this->imSmall.height();
this->isSetIm = true;
}
QPixmap Picture::getPixmap(){
return QPixmap::fromImage(im);
}
QString Picture::getAsciiIm(){
QString out;
QColor color;
double index;
double charSize = 255/((double)asciiChar.size());
for (int i = 0; i < this->ImHeight; ++i) {
for (int j = 0; j < this->ImWidth; ++j) {
color.setRgb(imSmall.pixel(j,i));
index = (255-(color.red()/3 + color.green()/3 + color.blue()/3)-3)/charSize;
out.push_back(this->asciiChar.at((int)(index)));
out.push_back(this->asciiChar.at((int)(index)));
out.push_back(this->asciiChar.at((int)(index)));
}
out.push_back("\n");
}
return out;
}
QPixmap Picture::getSmallPixmap(){
return QPixmap::fromImage(this->imSmall);
}
QImage Picture::addBackground(const QImage &im){
QImage resultImage(im.size(), QImage::Format_ARGB32);
resultImage.fill(Qt::white);
QPainter painter(&resultImage);
painter.drawImage(0, 0, im);
painter.end();
return resultImage;
}
QPixmap Picture::getScalePixmap(){
return QPixmap::fromImage(this->imScale);
}
void Picture::setScalePixmap(int width, int height){
this->scaleWidth = width;
this->scaleHeight = height;
this->imScale = im.scaled(width,height,Qt::KeepAspectRatio);
}
int Picture::getWidth(){
return this->ImWidth;
}
int Picture::getHeight(){
return this->ImHeight;
}
void Picture::setContrBright(double contr, int bright){
this->im = this->imOriginal*contr;
this->im = this->im+bright;
updateIm();
}
void Picture::updateIm(){
this->imSmall = this->im;
this->imSmall = this->imSmall.scaledToHeight(190);
//getAsciiIm();
//this->imSmall = this->im;
setScalePixmap(this->scaleWidth,this->scaleHeight);
}
//operator
QImage operator*(QImage imag,const double v){
QImage out = imag;
for (int i = 0; i < imag.height(); ++i) {
for (int j = 0; j < imag.width(); ++j) {
out.setPixelColor(j,i,(imag.pixelColor(j,i)*v));
}
}
return out;
}
QColor operator*(const QColor col, const double v){
QColor out;
out.setRed(parseInt(col.red()*v));
out.setGreen(parseInt(col.green()*v));
out.setBlue(parseInt(col.blue()*v));
return out;
}
QImage operator+(QImage imag,const int v){
QImage out = imag;
for (int i = 0; i < imag.height(); ++i) {
for (int j = 0; j < imag.width(); ++j) {
out.setPixelColor(j,i,(imag.pixelColor(j,i)+v));
}
}
return out;
}
QColor operator+(const QColor col,const int v){
QColor out;
out.setRed(parseInt(col.red()+v));
out.setGreen(parseInt(col.green()+v));
out.setBlue(parseInt(col.blue()+v));
return out;
}
int parseInt(int v){
if(v > 255){
v = 255;
}
else if(v < 0){
v = 0;
}
return v;
}