Renamed folder for poular conventions

- Renamed "Documentation" folder to "docs"
- Renamed "IntelliPhoto" folder to "src"

src/Painting/Layer/PaintingArea.h

@@ -0,0 +1,110 @@
+
+#ifndef PaintingArea_H
+#define PaintingArea_H
+
+#include <QColor>
+#include <QImage>
+#include"Image/IntelliImage.h"
+#include <QPoint>
+#include <QWidget>
+#include <QList>
+
+class PaintingArea : public QWidget
+{
+    // Declares our class as a QObject which is the base class
+    // for all Qt objects
+    // QObjects handle events
+    Q_OBJECT
+
+public:
+    PaintingArea(int maxWidth=1000, int maxHeight=800, QWidget *parent = nullptr);
+
+    // Handles all events
+    bool openImage(const QString &fileName);
+    bool saveImage(const QString &fileName, const char *fileFormat);
+
+    void addLayer(int width, int height, int widthOffset=0, int heightOffset=0, ImageType type = ImageType::Raster_Image);
+    void deleteLayer(int index);
+    void setLayerToActive(int index);
+    void setAlphaToLayer(int index, int alpha);
+
+    // Has the image been modified since last save
+    bool isModified() const { return modified; }
+
+    void setPenColor(const QColor &newColor);
+    QColor penColor() const { return myPenColor; }
+
+    void setPenWidth(int newWidth);
+    int penWidth() const { return myPenWidth; }
+
+
+    QPixmap getAsPixmap();
+public slots:
+
+    // Events to handle
+    void clearImage(int r, int g, int b);
+    void activate(int a);
+
+    void setAlpha(int a);
+    void getMoveUp(int a);
+    void getMoveDown(int a);
+    void getMoveRight(int a);
+    void getMoveLeft(int a);
+    void getMoveLayerUp();
+    void getMoveLayerDown();
+    //void setUp helper for konstruktor
+    void setUp(int maxWidth, int maxHeight);
+protected:
+    void mousePressEvent(QMouseEvent *event) override;
+    void mouseMoveEvent(QMouseEvent *event) override;
+    void mouseReleaseEvent(QMouseEvent *event) override;
+
+    // Updates the painting area where we are painting
+    void paintEvent(QPaintEvent *event) override;
+
+    // Makes sure the area we are drawing on remains
+    // as large as the widget
+    void resizeEvent(QResizeEvent *event) override;
+
+private:
+    struct LayerObject{
+        IntelliImage* image;
+        int width;
+        int height;
+        int widthOffset;
+        int heightOffset;
+        int alpha=255;
+    };
+
+    QImage* Canvas;
+    int maxWidth;
+    int maxHeight;
+
+    std::vector<LayerObject> layerStructure;
+    int activeLayer=-1;
+
+    void assembleLayers(bool forSaving=false);
+
+    void drawLineTo(const QPoint &endPoint);
+    void resizeImage(QImage *image_res, const QSize &newSize);
+
+    // Will be marked true or false depending on if
+    // we have saved after a change
+    bool modified=false;
+
+    // Marked true or false depending on if the user
+    // is drawing
+    bool scribbling;
+
+    // Holds the current pen width & color
+    int myPenWidth;
+    QColor myPenColor;
+
+    // Stores the image being drawn
+
+    // Stores the location at the current mouse event
+    QPoint lastPoint;
+};
+
+#endif
+