Initial revision

From-SVN: r104578
2005-09-23 19:36:46 +00:00
parent acff2da93c
commit 9b044d1951
495 changed files with 82760 additions and 0 deletions
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+/* QtComponentGraphics.java --
+   Copyright (C)  2005  Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU Classpath is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING.  If not, write to the
+Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library.  Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module.  An independent module is a module which is not derived from
+or based on this library.  If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so.  If you do not wish to do so, delete this
+exception statement from your version. */
+
+package gnu.java.awt.peer.qt;
+
+import java.awt.Color;
+import java.awt.GraphicsConfiguration;
+import java.awt.Graphics;
+import java.awt.Graphics2D;
+import java.awt.Rectangle;
+import java.awt.Paint;
+
+/**
+ * QtComponentPainter is a Graphics2D context for painting directly to AWT 
+ * components. They require an existing QPainter object (the one passed into 
+ * the native paint method), and are created there (ONLY).
+ *
+ * Since this context does direct on-screen drawing it is NOT thread-safe,
+ * and should NOT be used outside the thread in which it was created.
+ *
+ * In other words,
+ * this is intended for use by QtComponentPeer.paintEvent() only.
+ *
+ */
+public class QtComponentGraphics extends QtGraphics
+{
+  private QtComponentPeer peer;
+
+  /**
+   * Creates a new ComponentGraphics from an *existing* QPainter object.
+   *
+   * @param ptr the pointer to the QPainter object.
+   */
+  public QtComponentGraphics(long ptr, QtComponentPeer component, 
+			     int x, int y, int w, int h)
+  {
+    nativeObject = ptr;
+    peer = component;
+
+    Rectangle r = new Rectangle(x, y, w, h);
+    initialClip = r;
+    
+    setAlpha( 1.0 );
+    Color c = component.owner.getBackground();
+    if(c == null)
+      setBackground(Color.white);
+    else
+      setBackground( c );
+
+    c = component.owner.getForeground();
+    if(c == null)
+      setColor( Color.black );
+    else
+      setColor( c );
+    setup();
+    setClip( initialClip );
+  }
+
+  /**
+   * Copying constructor
+   */
+  QtComponentGraphics( QtComponentGraphics g )
+  {
+    super( g ); // Slalom is fun
+  }
+
+  public Graphics create()
+  {
+    return new QtComponentGraphics( this );
+  }
+
+  /**
+   * This is a tricky one
+   */ 
+  public void copyArea(int x, int y, int width, int height, 
+		       int dx, int dy)
+  {
+    // FIXME 
+  }
+
+  /**
+   * Returns the GraphicsConfiguration of the context component.
+   */
+  public GraphicsConfiguration getDeviceConfiguration()
+  {
+    return peer.getGraphicsConfiguration();
+  }
+} 
+
+