Author: kono
Date: 2009-12-14 12:35:52 -0800 (Mon, 14 Dec 2009)
New Revision: 18753
Modified:
corelibs/trunk/ding/src/ding/view/ArbitraryGraphicsCanvas.java
Log:
Canvas size check if statement condition modified to avoid unnecessary repaint.
Modified: corelibs/trunk/ding/src/ding/view/ArbitraryGraphicsCanvas.java
===================================================================
--- corelibs/trunk/ding/src/ding/view/ArbitraryGraphicsCanvas.java
2009-12-14 20:34:49 UTC (rev 18752)
+++ corelibs/trunk/ding/src/ding/view/ArbitraryGraphicsCanvas.java
2009-12-14 20:35:52 UTC (rev 18753)
@@ -39,10 +39,7 @@
package ding.view;
import giny.model.GraphPerspective;
-
-// import
import giny.model.Node;
-
import giny.view.NodeView;
import java.awt.AlphaComposite;
@@ -53,7 +50,6 @@
import java.awt.Graphics2D;
import java.awt.geom.AffineTransform;
import java.awt.image.BufferedImage;
-
import java.util.HashMap;
import java.util.Map;
@@ -72,22 +68,22 @@
/**
* Our reference to the GraphPerspective our view belongs to
*/
- private GraphPerspective m_graphPerspective;
+ private final GraphPerspective m_graphPerspective;
/**
* Our reference to the DGraphView we live within
*/
- private DGraphView m_dGraphView;
+ private final DGraphView m_dGraphView;
/**
* Our reference to the inner canvas
*/
- private InnerCanvas m_innerCanvas;
+ private final InnerCanvas m_innerCanvas;
/*
* Map of component(s) to hidden node(s)
*/
- private Map<Component, Node> m_componentToNodeMap;
+ private final Map<Component, Node> m_componentToNodeMap;
/**
* Constructor.
@@ -119,13 +115,13 @@
if (USE_REPOSITION_CODE) {
// create an "anchor node"
int nodeIndex =
m_graphPerspective.getRootGraph().createNode();
- Node node =
m_graphPerspective.getRootGraph().getNode(nodeIndex);
+ final Node node =
m_graphPerspective.getRootGraph().getNode(nodeIndex);
node.setIdentifier(component.toString());
m_graphPerspective.restoreNode(node);
// set its node view coordinates
- NodeView nodeView = m_dGraphView.getNodeView(node);
- double[] nodeCanvasCoordinates = new double[2];
+ final NodeView nodeView =
m_dGraphView.getNodeView(node);
+ final double[] nodeCanvasCoordinates = new double[2];
nodeCanvasCoordinates[0] = component.getX();
nodeCanvasCoordinates[1] = component.getY();
m_dGraphView.xformComponentToNodeCoords(nodeCanvasCoordinates);
@@ -164,7 +160,7 @@
super.setBounds(x, y, width, height);
// our bounds have changed, create a new image with new size
- if ((width > 0) && (height > 0)) {
+ if ((width > 1) && (height > 1)) {
// create the buffered image
m_img = new BufferedImage(width, height,
BufferedImage.TYPE_INT_ARGB);
@@ -185,7 +181,7 @@
// only paint if we have an image to paint on
if (m_img != null) {
// get image graphics
- Graphics2D image2D = ((BufferedImage)
m_img).createGraphics();
+ final Graphics2D image2D = ((BufferedImage)
m_img).createGraphics();
// first clear the image
clearImage(image2D);
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