X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/graphlib.git/blobdiff_plain/f41c1c8ff250f095b47fb6d5f7e578279b0c2844..7e44377ed59d10dcf9f04ff898691b99d5f8a1c8:/DrawingWindow.h?ds=sidebyside

diff --git a/DrawingWindow.h b/DrawingWindow.h
index 7dd9bb7..9e86889 100644
--- a/DrawingWindow.h
+++ b/DrawingWindow.h
@@ -1,29 +1,125 @@
 #ifndef DRAWING_WINDOW_H
 #define DRAWING_WINDOW_H
 
-#include "DrawingArea.h"
-#include <QPixmap>
-#include <QTimer>
+#include <QBasicTimer>
+#include <QColor>
+#include <QImage>
+#include <QMutex>
+#include <QPainter>
+#include <QRect>
 #include <QWidget>
+#include <Qt>
 
 class DrawingWindow: public QWidget {
 /*     Q_OBJECT */
 
 public:
-    DrawingWindow(DrawingArea &a);
-    DrawingWindow(QWidget *parent, DrawingArea &a);
-    DrawingWindow(QWidget *parent, Qt::WindowFlags flags, DrawingArea &a);
+    typedef void (*ThreadFunction)(DrawingWindow &);
+
+    static const int DEFAULT_WIDTH = 640;
+    static const int DEFAULT_HEIGHT = 480;
+
+    DrawingWindow(ThreadFunction fun,
+                  int width = DEFAULT_WIDTH, int height = DEFAULT_HEIGHT);
+    DrawingWindow(QWidget *parent,
+                  ThreadFunction fun,
+                  int width = DEFAULT_WIDTH, int height = DEFAULT_HEIGHT);
+    DrawingWindow(QWidget *parent, Qt::WindowFlags flags,
+                  ThreadFunction fun,
+                  int width = DEFAULT_WIDTH, int height = DEFAULT_HEIGHT);
+
+    ~DrawingWindow();
+
+    int width() const;
+    int height() const;
+
+    void setColor(float red, float green, float blue);
+    void setColor(const QColor &color);
+
+    void drawPoint(int x, int y);
+    void drawLine(int x1, int y1, int x2, int y2);
 
 protected:
     void paintEvent(QPaintEvent *ev);
+    void showEvent(QShowEvent *ev);
     void timerEvent(QTimerEvent *ev);
 
 private:
-    DrawingArea &drawingArea;
-    QPixmap pixmap;
+    class DrawingThread;
+
+    static const int paintInterval = 33;
+
     QBasicTimer timer;
 
-    void initialize();
+    QImage *image;
+    QPainter *painter;
+
+    DrawingThread *thread;
+    bool thread_started;
+
+    bool dirtyFlag;
+    QRect dirtyRect;
+
+    bool mutex_enabled;
+    QMutex mutex;
+
+    void initialize(ThreadFunction fun, int width, int height);
+
+    void lock();
+    void unlock();
+
+    void setDirtyRect();
+    void setDirtyRect(int x, int y);
+    void setDirtyRect(int x1, int y1, int x2, int y2);
+    void setDirtyRect(const QRect &rect);
 };
 
+inline
+int DrawingWindow::width() const
+{
+    return image->width();
+}
+
+inline
+int DrawingWindow::height() const
+{
+    return image->height();
+}
+
+inline
+void DrawingWindow::lock()
+{
+    if (mutex_enabled)
+        mutex.lock();
+    if (!mutex_enabled)
+        mutex.unlock();
+}
+
+inline
+void DrawingWindow::unlock()
+{
+    mutex.unlock();
+}
+
+inline
+void DrawingWindow::setDirtyRect()
+{
+    dirtyFlag = true;
+    dirtyRect.setRect(0, 0, width(), height());
+}
+
+inline
+void DrawingWindow::setDirtyRect(int x, int y)
+{
+    setDirtyRect(QRect(x, y, 1, 1));
+}
+
+inline
+void DrawingWindow::setDirtyRect(int x1, int y1, int x2, int y2)
+{
+    QRect r;
+    r.setCoords(x1, y1, x2, y2);
+    setDirtyRect(r.normalized());
+}
+
 #endif // !DRAWING_WINDOW_H