Scroll implemented

src/Layer/PaintingArea.cpp

@@ -19,7 +19,7 @@
 PaintingArea::PaintingArea(int maxWidth, int maxHeight, QWidget *parent)
     :QWidget(parent){
     //test yout tool here and reset after accomplished test
-    this->Tool = nullptr;
+    this->Tool = new IntelliToolRechteck(this, &colorPicker);
     this->setUp(maxWidth, maxHeight);
     //tetsing
     this->addLayer(200,200,0,0,ImageType::Shaped_Image);
@@ -234,6 +234,14 @@ void PaintingArea::mouseReleaseEvent(QMouseEvent *event){
     update();
 }
 
+void PaintingArea::wheelEvent(QWheelEvent *event){
+    QPoint numDegrees = event->angleDelta() / 8;
+    if(!numDegrees.isNull()){
+        QPoint numSteps = numDegrees / 15;
+        Tool->onWheelScrolled(numSteps.y()*-1);
+    }
+}
+
 // QPainter provides functions to draw on the widget
 // The QPaintEvent is sent to widgets that need to
 // update themselves

src/Layer/PaintingArea.h

@@ -70,6 +70,7 @@ protected:
     void mouseMoveEvent(QMouseEvent *event) override;
     void mouseReleaseEvent(QMouseEvent *event) override;
 
+    void wheelEvent(QWheelEvent *event) override;
     // Updates the painting area where we are painting
     void paintEvent(QPaintEvent *event) override;
 

src/Tool/IntelliTool.cpp

@@ -43,6 +43,10 @@ void IntelliTool::onMouseMoved(int x, int y){
         Canvas->image->calculateVisiblity();
 }
 
+void IntelliTool::onWheelScrolled(int value){
+    //if needed for future general tasks implement in here
+}
+
 void IntelliTool::createToolLayer(){
     Area->createTempLayerAfter(Area->activeLayer);
     this->Active=&Area->layerBundle[Area->activeLayer];

src/Tool/IntelliTool.h

@@ -29,6 +29,8 @@ public:
     virtual void onMouseLeftPressed(int x, int y);
     virtual void onMouseLeftReleased(int x, int y);
 
+    virtual void onWheelScrolled(int value);
+
     virtual void onMouseMoved(int x, int y);
 };
 #endif

src/Tool/IntelliToolCircle.cpp

@@ -27,8 +27,8 @@ void IntelliToolCircle::drawCyrcle(int radius){
         this->Canvas->image->drawLine(QPoint(xMin,i), QPoint(xMax,i),inner,1);
     }
 
-    //TODO implement circle drawing algorithm
-    radius = radius +(this->edgeWidth/2.)-0.5;
+    //TODO implement circle drawing algorithm bresenham
+    radius = radius +(this->edgeWidth/2.)-1.;
     yMin = (Middle.y()-radius);
     yMax = (Middle.y()+radius);
     for(int i=yMin; i<=yMax; i++){
@@ -68,6 +68,14 @@ void IntelliToolCircle::onMouseLeftReleased(int x, int y){
     IntelliTool::onMouseLeftReleased(x,y);
 }
 
+void IntelliToolCircle::onWheelScrolled(int value){
+    IntelliTool::onWheelScrolled(value);
+    this->edgeWidth+=value;
+    if(this->edgeWidth<=0){
+        this->edgeWidth=1;
+    }
+}
+
 void IntelliToolCircle::onMouseMoved(int x, int y){
     IntelliTool::onMouseMoved(x,y);
     if(this->drawing){

src/Tool/IntelliToolCircle.h

@@ -15,12 +15,14 @@ public:
     IntelliToolCircle(PaintingArea* Area, IntelliColorPicker* colorPicker);
     virtual ~IntelliToolCircle() override;
 
-    virtual void onMouseRightPressed(int x, int y);
-    virtual void onMouseRightReleased(int x, int y);
-    virtual void onMouseLeftPressed(int x, int y);
-    virtual void onMouseLeftReleased(int x, int y);
+    virtual void onMouseRightPressed(int x, int y) override;
+    virtual void onMouseRightReleased(int x, int y) override;
+    virtual void onMouseLeftPressed(int x, int y) override;
+    virtual void onMouseLeftReleased(int x, int y) override;
 
-    virtual void onMouseMoved(int x, int y);
+    virtual void onWheelScrolled(int value) override;
+
+    virtual void onMouseMoved(int x, int y) override;
 };
 
 #endif // INTELLITOOLCIRCLE_H

src/Tool/IntelliToolLine.cpp

@@ -34,6 +34,14 @@ 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){

src/Tool/IntelliToolLine.h

@@ -24,6 +24,8 @@ public:
     virtual void onMouseLeftPressed(int x, int y) override;
     virtual void onMouseLeftReleased(int x, int y) override;
 
+    virtual void onWheelScrolled(int value) override;
+
     virtual void onMouseMoved(int x, int y) override;
 };
 

src/Tool/IntelliToolPen.cpp

@@ -40,3 +40,11 @@ void IntelliToolPen::onMouseMoved(int x, int y){
     }
     IntelliTool::onMouseMoved(x,y);
 }
+
+void IntelliToolPen::onWheelScrolled(int value){
+    IntelliTool::onWheelScrolled(value);
+    this->penWidth+=value;
+    if(this->penWidth<=0){
+        this->penWidth=1;
+    }
+}

src/Tool/IntelliToolPen.h

@@ -17,6 +17,8 @@ public:
     virtual void onMouseLeftPressed(int x, int y) override;
     virtual void onMouseLeftReleased(int x, int y) override;
 
+    virtual void onWheelScrolled(int value) override;
+
     virtual void onMouseMoved(int x, int y) override;
 };
 

src/Tool/IntelliToolPlain.cpp

@@ -28,3 +28,7 @@ void IntelliToolPlainTool::onMouseRightReleased(int x, int y){
 void IntelliToolPlainTool::onMouseMoved(int x, int y){
     IntelliTool::onMouseMoved(x,y);
 }
+
+void IntelliToolPlainTool::onWheelScrolled(int value){
+    IntelliTool::onWheelScrolled(value);
+}

src/Tool/IntelliToolPlain.h

@@ -8,11 +8,14 @@ class IntelliToolPlainTool : public IntelliTool{
 public:
     IntelliToolPlainTool(PaintingArea *Area, IntelliColorPicker* colorPicker);
 
-    void onMouseLeftPressed(int x, int y) override;
-    void onMouseLeftReleased(int x, int y) override;
-    void onMouseRightPressed(int x, int y) override;
-    void onMouseRightReleased(int x, int y) override;
-    void onMouseMoved(int x, int y) override;
+    virtual void onMouseLeftPressed(int x, int y) override;
+    virtual void onMouseLeftReleased(int x, int y) override;
+    virtual void onMouseRightPressed(int x, int y) override;
+    virtual void onMouseRightReleased(int x, int y) override;
+
+    virtual void onWheelScrolled(int value) override;
+
+    virtual void onMouseMoved(int x, int y) override;
 
 };
 

src/Tool/IntelliToolRechteck.cpp

@@ -58,3 +58,11 @@ void IntelliToolRechteck::onMouseMoved(int x, int y){
     }
     IntelliTool::onMouseMoved(x,y);
 }
+
+void IntelliToolRechteck::onWheelScrolled(int value){
+    IntelliTool::onWheelScrolled(value);
+    this->edgeWidth+=value;
+    if(this->edgeWidth<=0){
+        this->edgeWidth=1;
+    }
+}

src/Tool/IntelliToolRechteck.h

@@ -21,6 +21,8 @@ public:
     virtual void onMouseLeftPressed(int x, int y) override;
     virtual void onMouseLeftReleased(int x, int y) override;
 
+    virtual void onWheelScrolled(int value) override;
+
     virtual void onMouseMoved(int x, int y) override;
 };