Add rotation and scale to overlay API

include/ui/mapview.h

@@ -44,6 +44,17 @@ public:
     Q_INVOKABLE int getOpacity(int layer = 0);
     Q_INVOKABLE void setOpacity(int opacity, int layer);
     Q_INVOKABLE void setOpacity(int opacity);
+    Q_INVOKABLE int getHorizontalScale(int layer);
+    Q_INVOKABLE int getVerticalScale(int layer);
+    Q_INVOKABLE void setHorizontalScale(int scale, int layer);
+    Q_INVOKABLE void setHorizontalScale(int scale);
+    Q_INVOKABLE void setVerticalScale(int scale, int layer);
+    Q_INVOKABLE void setVerticalScale(int scale);
+    Q_INVOKABLE int getRotation(int layer);
+    Q_INVOKABLE void setRotation(int rotation, int layer);
+    Q_INVOKABLE void setRotation(int rotation);
+    Q_INVOKABLE void rotate(int degrees, int layer);
+    Q_INVOKABLE void rotate(int degrees);
     Q_INVOKABLE void addText(QString text, int x, int y, QString color = "#000000", int fontSize = 12, int layer = 0);
     Q_INVOKABLE void addRect(int x, int y, int width, int height, QString borderColor = "#000000", QString fillColor = "transparent", int rounding = 0, int layer = 0);
     Q_INVOKABLE void addPath(QList<int> x, QList<int> y, QString borderColor = "#000000", QString fillColor = "transparent", int layer = 0);

include/ui/overlay.h

@@ -11,7 +11,7 @@ class OverlayItem {
 public:
     OverlayItem() {}
     virtual ~OverlayItem() {};
-    virtual void render(QPainter *, int, int) {};
+    virtual void render(QPainter *) {};
 };
 
 class OverlayText : public OverlayItem {
@@ -25,7 +25,7 @@ public:
         this->fontSize = fontSize;
     }
     ~OverlayText() {}
-    virtual void render(QPainter *painter, int x, int y);
+    virtual void render(QPainter *painter);
 private:
     const QStaticText text;
     int x;
@@ -37,17 +37,13 @@ private:
 class OverlayPath : public OverlayItem {
 public:
     OverlayPath(QPainterPath path, QColor borderColor, QColor fillColor) {
-        this->prevX = 0;
-        this->prevY = 0;
         this->path = path;
         this->borderColor = borderColor;
         this->fillColor = fillColor;
     }
     ~OverlayPath() {}
-    virtual void render(QPainter *painter, int x, int y);
+    virtual void render(QPainter *painter);
 private:
-    int prevX;
-    int prevY;
     QPainterPath path;
     QColor borderColor;
     QColor fillColor;
@@ -61,7 +57,7 @@ public:
         this->image = image;
     }
     ~OverlayImage() {}
-    virtual void render(QPainter *painter, int x, int y);
+    virtual void render(QPainter *painter);
 private:
     int x;
     int y;
@@ -74,6 +70,9 @@ public:
     Overlay() {
         this->x = 0;
         this->y = 0;
+        this->rotation = 0;
+        this->hScale = 1.0;
+        this->vScale = 1.0;
         this->hidden = false;
         this->opacity = 1.0;
         this->clippingRect = nullptr;
@@ -89,6 +88,13 @@ public:
     int getY();
     void setX(int x);
     void setY(int y);
+    int getHScale();
+    int getVScale();
+    void setHScale(int scale);
+    void setVScale(int scale);
+    int getRotation();
+    void setRotation(int rotation);
+    void rotate(int degrees);
     void setClippingRect(QRectF rect);
     void clearClippingRect();
     void setPosition(int x, int y);
@@ -100,12 +106,15 @@ public:
     bool addRect(int x, int y, int width, int height, QString borderColorStr, QString fillColorStr, int rounding);
     bool addImage(int x, int y, QString filepath, bool useCache = true, int width = -1, int height = -1, int xOffset = 0, int yOffset = 0, qreal hScale = 1, qreal vScale = 1, QList<QRgb> palette = QList<QRgb>(), bool setTransparency = false);
     bool addImage(int x, int y, QImage image);
-    bool addPath(QList<int> x, QList<int> y, QString borderColorStr, QString fillColorStr);
+    bool addPath(QList<int> xCoords, QList<int> yCoords, QString borderColorStr, QString fillColorStr);
 private:
     QColor getColor(QString colorStr);
     QList<OverlayItem*> items;
     int x;
     int y;
+    int rotation;
+    qreal hScale;
+    qreal vScale;
     bool hidden;
     qreal opacity;
     QRectF *clippingRect;

src/scriptapi/apioverlay.cpp

@@ -147,6 +147,66 @@ void MapView::setOpacity(int opacity) {
     this->scene()->update();
 }
 
+int MapView::getHorizontalScale(int layer) {
+    return this->getOverlay(layer)->getHScale();
+}
+
+int MapView::getVerticalScale(int layer) {
+    return this->getOverlay(layer)->getVScale();
+}
+
+void MapView::setHorizontalScale(int scale, int layer) {
+    this->getOverlay(layer)->setHScale(scale);
+    this->scene()->update();
+}
+
+// Overload. No layer provided, set horizontal scale of all layers
+void MapView::setHorizontalScale(int scale) {
+    foreach (Overlay * layer, this->overlayMap)
+        layer->setHScale(scale);
+    this->scene()->update();
+}
+
+void MapView::setVerticalScale(int scale, int layer) {
+    this->getOverlay(layer)->setVScale(scale);
+    this->scene()->update();
+}
+
+// Overload. No layer provided, set vertical scale of all layers
+void MapView::setVerticalScale(int scale) {
+    foreach (Overlay * layer, this->overlayMap)
+        layer->setVScale(scale);
+    this->scene()->update();
+}
+
+int MapView::getRotation(int layer) {
+    return this->getOverlay(layer)->getRotation();
+}
+
+void MapView::setRotation(int rotation, int layer) {
+    this->getOverlay(layer)->setRotation(rotation);
+    this->scene()->update();
+}
+
+// Overload. No layer provided, set rotation of all layers
+void MapView::setRotation(int rotation) {
+    foreach (Overlay * layer, this->overlayMap)
+        layer->setRotation(rotation);
+    this->scene()->update();
+}
+
+void MapView::rotate(int degrees, int layer) {
+    this->getOverlay(layer)->rotate(degrees);
+    this->scene()->update();
+}
+
+// Overload. No layer provided, rotate all layers
+void MapView::rotate(int degrees) {
+    foreach (Overlay * layer, this->overlayMap)
+        layer->rotate(degrees);
+    this->scene()->update();
+}
+
 void MapView::addText(QString text, int x, int y, QString color, int fontSize, int layer) {
     this->getOverlay(layer)->addText(text, x, y, color, fontSize);
     this->scene()->update();

src/ui/overlay.cpp

@@ -2,47 +2,49 @@
 #include "scripting.h"
 #include "log.h"
 
-void OverlayText::render(QPainter *painter, int x, int y) {
+void OverlayText::render(QPainter *painter) {
     QFont font = painter->font();
     font.setPixelSize(this->fontSize);
     painter->setFont(font);
     painter->setPen(this->color);
-    painter->drawStaticText(this->x + x, this->y + y, this->text);
+    painter->drawStaticText(this->x, this->y, this->text);
 }
 
-void OverlayPath::render(QPainter *painter, int x, int y) {
-    if (x != this->prevX || y != this->prevY) {
-        // Overlay has moved since the path was last drawn
-        path.translate(x - prevX, y - prevY);
-    }
-    this->prevX = x;
-    this->prevY = y;
+void OverlayPath::render(QPainter *painter) {
     painter->setPen(this->borderColor);
     painter->drawPath(this->path);
     painter->fillPath(this->path, this->fillColor);
 }
 
-void OverlayImage::render(QPainter *painter, int x, int y) {
-    painter->drawImage(this->x + x, this->y + y, this->image);
+void OverlayImage::render(QPainter *painter) {
+    painter->drawImage(this->x, this->y, this->image);
 }
 
 void Overlay::renderItems(QPainter *painter) {
     if (this->hidden) return;
 
+    painter->save();
+
+    QTransform transform = painter->transform();
+    transform.translate(this->x, this->y);
+    transform.rotate(this->rotation);
+    transform.scale(this->hScale, this->vScale);
+    painter->setTransform(transform);
+
+    /*painter->translate(this->x, this->y);
+    painter->rotate(this->rotation);
+    painter->scale(this->hScale, this->vScale);*/
+
     if (this->clippingRect) {
         painter->setClipping(true);
         painter->setClipRect(*this->clippingRect);
     }
 
-    qreal oldOpacity = painter->opacity();
     painter->setOpacity(this->opacity);
     for (auto item : this->items)
-        item->render(painter, this->x, this->y);
-    painter->setOpacity(oldOpacity);
+        item->render(painter);
 
-    if (this->clippingRect) {
-        painter->setClipping(false);
-    }
+    painter->restore();
 }
 
 void Overlay::clearItems() {
@@ -92,6 +94,34 @@ void Overlay::setY(int y) {
     this->y = y;
 }
 
+int Overlay::getHScale() {
+    return this->hScale;
+}
+
+int Overlay::getVScale() {
+    return this->vScale;
+}
+
+void Overlay::setHScale(int scale) {
+    this->hScale = scale;
+}
+
+void Overlay::setVScale(int scale) {
+    this->vScale = scale;
+}
+
+int Overlay::getRotation() {
+    return this->rotation;
+}
+
+void Overlay::setRotation(int rotation) {
+    this->rotation = rotation;
+}
+
+void Overlay::rotate(int degrees) {
+    this->rotation += degrees;
+}
+
 void Overlay::setClippingRect(QRectF rect) {
     if (this->clippingRect) {
         delete this->clippingRect;
@@ -143,18 +173,18 @@ bool Overlay::addRect(int x, int y, int width, int height, QString borderColorSt
     return true;
 }
 
-bool Overlay::addPath(QList<int> x, QList<int> y, QString borderColorStr, QString fillColorStr) {
-    int numPoints = qMin(x.length(), y.length());
+bool Overlay::addPath(QList<int> xCoords, QList<int> yCoords, QString borderColorStr, QString fillColorStr) {
+    int numPoints = qMin(xCoords.length(), yCoords.length());
     if (numPoints < 2) {
         logError("Overlay path must have at least two points.");
         return false;
     }
 
     QPainterPath path;
-    path.moveTo(x.at(0), y.at(0));
+    path.moveTo(xCoords.at(0), yCoords.at(0));
 
     for (int i = 1; i < numPoints; i++)
-        path.lineTo(x.at(i), y.at(i));
+        path.lineTo(xCoords.at(i), yCoords.at(i));
 
     this->items.append(new OverlayPath(path, getColor(borderColorStr), getColor(fillColorStr)));
     return true;