Merge pull request #1339 from openscad/export-to-clipboard

Add "Export to Clipboard" to copy the current 3d view to the system clipboard.

src/MainWindow.h

@@ -196,6 +196,7 @@ private slots:
 	void actionExportSVG();
 	void actionExportCSG();
 	void actionExportImage();
+	void actionCopyViewport();
 	void actionFlushCaches();
 
 public:

src/MainWindow.ui

@@ -302,6 +302,8 @@
     <addaction name="editActionCopy"/>
     <addaction name="editActionPaste"/>
     <addaction name="separator"/>
+    <addaction name="editActionCopyViewport"/>
+    <addaction name="separator"/>
     <addaction name="editActionIndent"/>
     <addaction name="editActionUnindent"/>
     <addaction name="editActionComment"/>
@@ -1261,6 +1263,14 @@
     <string>&amp;Cheat Sheet</string>
    </property>
   </action>
+  <action name="editActionCopyViewport">
+   <property name="text">
+    <string>Copy Viewport</string>
+   </property>
+   <property name="shortcut">
+    <string>Ctrl+Shift+C</string>
+   </property>
+  </action>
  </widget>
  <customwidgets>
   <customwidget>

src/QGLView.cc

@@ -294,11 +294,12 @@ void QGLView::mouseReleaseEvent(QMouseEvent*)
   releaseMouse();
 }
 
-void QGLView::grabFrame()
+const QImage & QGLView::grabFrame()
 {
 	// Force reading from front buffer. Some configurations will read from the back buffer here.
 	glReadBuffer(GL_FRONT);
 	this->frame = grabFrameBuffer();
+	return this->frame;
 }
 
 bool QGLView::save(const char *filename)

src/QGLView.h

@@ -43,7 +43,7 @@ public:
 	float getDPI() { return this->devicePixelRatio(); }
 #endif
 	
-	void grabFrame();
+	const QImage & grabFrame();
 	bool save(const char *filename);
 	void resetView();
 	void viewAll();

src/mainwin.cc

@@ -325,6 +325,7 @@ MainWindow::MainWindow(const QString &filename)
 	connect(this->editActionCut, SIGNAL(triggered()), editor, SLOT(cut()));
 	connect(this->editActionCopy, SIGNAL(triggered()), editor, SLOT(copy()));
 	connect(this->editActionPaste, SIGNAL(triggered()), editor, SLOT(paste()));
+	connect(this->editActionCopyViewport, SIGNAL(triggered()), this, SLOT(actionCopyViewport()));
 	connect(this->editActionIndent, SIGNAL(triggered()), editor, SLOT(indentSelection()));
 	connect(this->editActionUnindent, SIGNAL(triggered()), editor, SLOT(unindentSelection()));
 	connect(this->editActionComment, SIGNAL(triggered()), editor, SLOT(commentSelection()));
@@ -2184,6 +2185,13 @@ void MainWindow::actionExportImage()
 	return;
 }
 
+void MainWindow::actionCopyViewport()
+{
+	const QImage & image = qglview->grabFrame();
+	QClipboard *clipboard = QApplication::clipboard();
+	clipboard->setImage(image);
+}
+
 void MainWindow::actionFlushCaches()
 {
 	GeometryCache::instance()->clear();