IntelliImage.cpp

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#include "Image/IntelliImage.h"
#include <QSize>
#include <QPainter>
 
IntelliImage::IntelliImage(int width, int height, bool fastRendererOn)
        : imageData(QSize(width, height), fastRendererOn ? QImage::Format_Indexed8 : QImage::Format_ARGB32){
        if(fastRendererOn) {
                imageData = imageData.convertToFormat(QImage::Format_ARGB32);
        }
        imageData.fill(QColor(255,255,255,255));
        if(fastRendererOn) {
                imageData = imageData.convertToFormat(QImage::Format_Indexed8);
        }
        this->fastRenderering = fastRendererOn;
 
}
 
IntelliImage::~IntelliImage(){
 
}
 
bool IntelliImage::loadImage(const QString &filePath){
        // Holds the image
        QImage loadedImage;
 
        // If the image wasn't loaded leave this function
        if (!loadedImage.load(filePath))
                return false;
 
        // scaled Image to size of Layer
        loadedImage = loadedImage.scaled(imageData.size(),Qt::IgnoreAspectRatio);
 
        imageData = loadedImage.convertToFormat(fastRenderering ? QImage::Format_Indexed8 : QImage::Format_ARGB32);
        return true;
}
 
void IntelliImage::resizeImage(QImage*image, const QSize &newSize){
        // Check if we need to redraw the image
        if (image->size() == newSize)
                return;
 
        // Create a new image to display and fill it with white
        QImage newImage(newSize, QImage::Format_ARGB32);
        newImage.fill(qRgb(255, 255, 255));
 
        // Draw the image
        QPainter painter(&newImage);
        painter.drawImage(QPoint(0, 0), *image);
        if(fastRenderering) {
                *image = newImage.convertToFormat(QImage::Format_Indexed8);
        }
        else{
                *image = newImage;
        }
}
 
void IntelliImage::drawPixel(const QPoint &p1, const QColor& color){
        if(fastRenderering) {
                this->imageData = this->imageData.convertToFormat(QImage::Format_ARGB32);
        }
        // Used to draw on the widget
        QPainter painter(&imageData);
 
        // Set the current settings for the pen
        painter.setPen(QPen(color, 1, Qt::SolidLine, Qt::RoundCap, Qt::RoundJoin));
 
        // Draw a line from the last registered point to the current
        painter.drawPoint(p1);
        if(fastRenderering) {
                this->imageData = this->imageData.convertToFormat(QImage::Format_Indexed8);
        }
}
 
void IntelliImage::drawPoint(const QPoint &p1, const QColor& color, const int& penWidth){
        if(fastRenderering) {
                this->imageData = this->imageData.convertToFormat(QImage::Format_ARGB32);
        }
        // Used to draw on the widget
        QPainter painter(&imageData);
 
        // Set the current settings for the pen
        painter.setPen(QPen(color, penWidth, Qt::SolidLine, Qt::RoundCap, Qt::RoundJoin));
        // Draw a line from the last registered point to the current
        painter.drawPoint(p1);
        if(fastRenderering) {
                this->imageData = this->imageData.convertToFormat(QImage::Format_Indexed8);
        }
}
 
void IntelliImage::drawLine(const QPoint &p1, const QPoint& p2, const QColor& color, const int& penWidth){
        if(fastRenderering) {
                this->imageData =  this->imageData.convertToFormat(QImage::Format_ARGB32);
        }
        // Used to draw on the widget
        QPainter painter(&imageData);
 
        // Set the current settings for the pen
        painter.setPen(QPen(color, penWidth, Qt::SolidLine, Qt::RoundCap, Qt::RoundJoin));
 
        // Draw a line from the last registered point to the current
        painter.drawLine(p1, p2);
        if(fastRenderering) {
                this->imageData = this->imageData.convertToFormat(QImage::Format_Indexed8);
        }
}
 
void IntelliImage::drawPlain(const QColor& color){
        if(fastRenderering) {
                this->imageData = this->imageData.convertToFormat(QImage::Format_ARGB32);
        }
        imageData.fill(color);
        if(fastRenderering) {
                this->imageData = this->imageData.convertToFormat(QImage::Format_Indexed8);
        }
}
 
QColor IntelliImage::getPixelColor(QPoint& point){
        if(fastRenderering) {
                QImage copy = this->imageData.convertToFormat(QImage::Format_ARGB32);
                return copy.pixelColor(point);
        }
        return imageData.pixelColor(point);
}
 
QImage IntelliImage::getImageData(){
        QImage copy = imageData;
        if(fastRenderering) {
                copy = copy.convertToFormat(QImage::Format_ARGB32);
        }
        return copy;
}
 
void IntelliImage::setImageData(const QImage& newData){
        imageData = newData;
        if(fastRenderering) {
                this->imageData = imageData.convertToFormat(QImage::Format_Indexed8);
        }
        else {
                this->imageData = imageData.convertToFormat(QImage::Format_ARGB32);
        }
}
 
void IntelliImage::updateRendererSetting(bool fastRendererOn){
        this->fastRenderering = fastRendererOn;
        if(fastRenderering) {
                this->imageData = imageData.convertToFormat(QImage::Format_Indexed8);
        }
        else {
                this->imageData = imageData.convertToFormat(QImage::Format_ARGB32);
        }
}