intelliphoto/src/Tool/IntelliToolLine.cpp

#include "IntelliToolLine.h"
#include "Layer/PaintingArea.h"
#include "QColorDialog"
#include "QInputDialog"

IntelliToolLine::IntelliToolLine(PaintingArea* Area, IntelliColorPicker* colorPicker)
    :IntelliTool(Area, colorPicker){
    this->lineWidth = QInputDialog::getInt(nullptr,"Line Width Input", "Width",1,1,50,1);
    //create checkbox or scroll dialog to get line style
    this->lineStyle = LineStyle::SOLID_LINE;
}

IntelliToolLine::~IntelliToolLine(){

}


void IntelliToolLine::onMouseRightPressed(int x, int y){
    IntelliTool::onMouseRightPressed(x,y);
}

void IntelliToolLine::onMouseRightReleased(int x, int y){
    IntelliTool::onMouseRightReleased(x,y);
}

void IntelliToolLine::onMouseLeftPressed(int x, int y){
    IntelliTool::onMouseLeftPressed(x,y);
    this->start=QPoint(x,y);
    this->Canvas->image->drawLine(start, start, colorPicker->getFirstColor(),lineWidth);
    Canvas->image->calculateVisiblity();
}

void IntelliToolLine::onMouseLeftReleased(int x, int y){
    IntelliTool::onMouseLeftReleased(x,y);
}

void IntelliToolLine::onWheelScrolled(int value){
    IntelliTool::onWheelScrolled(value);
    this->lineWidth+=value;
    if(this->lineWidth<=0){
        this->lineWidth=1;
    }
}

void IntelliToolLine::onMouseMoved(int x, int y){
    IntelliTool::onMouseMoved(x,y);
    if(this->drawing){
        this->Canvas->image->drawPlain(Qt::transparent);
        QPoint next(x,y);
        switch(lineStyle){
            case LineStyle::SOLID_LINE:
                this->Canvas->image->drawLine(start,next,colorPicker->getFirstColor(),lineWidth);
                break;
            case LineStyle::DOTTED_LINE:
                QPoint p1 =start.x() <= next.x() ? start : next;
                QPoint p2 =start.x() < next.x() ? next : start;
                int m = (float)(p2.y()-p1.y())/(float)(p2.x()-p1.x())+0.5f;
                int c = start.y()-start.x()*m;

                break;
        }
    }
    IntelliTool::onMouseMoved(x,y);
}