Several small adjustments for monitor switching

[kdenlive] / src / abstractmonitor.h

diff --git a/src/abstractmonitor.h b/src/abstractmonitor.h
index 62d9ee271e0c82f7044d2e41e009cdddcece5212..1167e6c446f8bc09b677158f193ee1fc2df7e9d8 100644 (file)
--- a/src/abstractmonitor.h
+++ b/src/abstractmonitor.h
@@ -28,22 +28,40 @@
 #include <QFrame>
 #include <QTimer>
 
+#include <stdint.h>
+
 class VideoPreviewContainer : public QFrame
 {
     Q_OBJECT
 public:
     VideoPreviewContainer(QWidget *parent = 0);
     ~VideoPreviewContainer();
+    /** @brief Set the image to be displayed, will be put in the queue. */
     void setImage(QImage img);
+    /** @brief Start the display refresh timer. */
     void start();
+    /** @brief Stop the display refresh timer. */
     void stop();
+    /** @brief Set the display ratio for this display. */
+    void setRatio(double ratio);
 
 protected:
     virtual void paintEvent(QPaintEvent */*event*/);
+    virtual void resizeEvent(QResizeEvent * event);
 
 private:
+    /** @brief The display aspect ratio for profile. */
+    double m_dar;
+    /** @brief When true, the whole widget surface will be repainted, useful when resizing widget. */
+    bool m_refresh;
+    /** @brief The rectangle defining the area for painting our image. */
+    QRect m_displayRect;
+    /** @brief The queue of images to be displayed. */
     QList <QImage *> m_imageQueue;
+    /** @brief We refresh the image with a timer, since this widget is only for preview during capture. */
     QTimer m_refreshTimer;
+    /** @brief Re-calculate the display zone after a resize or aspect ratio change. */
+    void updateDisplayZone();
 };
 
 
@@ -56,7 +74,7 @@ Q_OBJECT public:
      *  @param name A unique identifier for this renderer
      *  @param winid The parent widget identifier (required for SDL display). Set to 0 for OpenGL rendering
      *  @param profile The MLT profile used for the renderer (default one will be used if empty). */
-    AbstractRender(const QString &name, QWidget *parent = 0):QObject(parent), m_name(name), sendFrameForAnalysis(false) {};
+    AbstractRender(const QString &name, QWidget *parent = 0):QObject(parent), sendFrameForAnalysis(false), m_name(name) {};
 
     /** @brief Destroy the MLT Renderer. */
     virtual ~AbstractRender() {};