Add rounded corner support for rect in kdenlivetitle

src/modules/qt/CMakeLists.txt

@@ -32,6 +32,7 @@ function(mlt_add_qt_module ARG_TARGET)
       gps_drawing.cpp
       gps_parser.cpp gps_parser.h
       graph.cpp graph.h
+      kdenlivegraphics.cpp
       kdenlivetitle_wrapper.cpp
       producer_kdenlivetitle.c
       producer_qimage.c

src/modules/qt/kdenlivegraphics.cpp

@@ -0,0 +1,23 @@
+#include "kdenlivegraphics.h"
+
+KdenliveGraphicsRect::KdenliveGraphicsRect(QRectF rect,
+                                           const QBrush &brush,
+                                           const QPen &pen,
+                                           int cornerRadius)
+{
+    this->setRect(rect);
+    this->setBrush(brush);
+    this->setPen(pen);
+    this->cornerRadius = cornerRadius;
+}
+
+void KdenliveGraphicsRect::paint(QPainter *painter,
+                                 const QStyleOptionGraphicsItem *option,
+                                 QWidget *widget)
+{
+    int radius = qMin(cornerRadius, (int) qMin(rect().width(), rect().height()) / 2);
+    painter->setBrush(brush());
+    painter->setPen(pen());
+    painter->setRenderHint(QPainter::Antialiasing);
+    painter->drawRoundedRect(rect(), radius, radius);
+}

src/modules/qt/kdenlivegraphics.h

@@ -0,0 +1,23 @@
+#pragma once
+
+#include <QBrush>
+#include <QGraphicsRectItem>
+#include <QPainter>
+#include <QPen>
+
+class KdenliveGraphicsRect : public QGraphicsRectItem
+{
+public:
+    explicit KdenliveGraphicsRect(QRectF rect,
+                                  const QBrush &brush,
+                                  const QPen &pen,
+                                  int cornerRadius);
+
+protected:
+    void paint(QPainter *painter,
+               const QStyleOptionGraphicsItem *option,
+               QWidget *widget = nullptr) override;
+
+private:
+    int cornerRadius{0};
+};

src/modules/qt/kdenlivetitle_wrapper.cpp

@@ -20,6 +20,7 @@
  */
 
 #include "kdenlivetitle_wrapper.h"
+#include "kdenlivegraphics.h"
 #include "typewriter.h"
 
 #include "common.h"
@@ -602,6 +603,8 @@ void loadFromXml(producer_ktitle self,
                 QRectF rect = stringToRect(rectProperties.namedItem("rect").nodeValue());
                 QString pen_str = rectProperties.namedItem("pencolor").nodeValue();
                 double penwidth = rectProperties.namedItem("penwidth").nodeValue().toDouble();
+                double cornerRadius
+                    = rectProperties.namedItem("cornerRadius").nodeValue().toDouble();
                 QBrush brush;
                 if (!rectProperties.namedItem("gradient").isNull()) {
                     // Calculate gradient
@@ -648,7 +651,9 @@ void loadFromXml(producer_ktitle self,
                     gitem = ellipse;
                 } else {
                     // QGraphicsRectItem
-                    QGraphicsRectItem *rec = scene->addRect(rect, pen, brush);
+                    KdenliveGraphicsRect *rec
+                        = new KdenliveGraphicsRect(rect, brush, pen, cornerRadius);
+                    scene->addItem(rec);
                     gitem = rec;
                 }
             } else if (nodeAttributes.namedItem("type").nodeValue() == "QGraphicsPixmapItem") {

src/modules/qt/producer_kdenlivetitle.yml

@@ -2,7 +2,7 @@ schema_version: 0.1
 type: producer
 identifier: kdenlivetitle
 title: Kdenlive Titler
-version: 5
+version: 6
 copyright: Marco Gittler, Jean-Baptiste Mardelle
 creator: Marco Gittler, Jean-Baptiste Mardelle
 license: LGPLv2.1