Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.scenegraph / src / org / simantics / scenegraph / g2d / nodes / SVGHolderNode.java

diff --git a/bundles/org.simantics.scenegraph/src/org/simantics/scenegraph/g2d/nodes/SVGHolderNode.java b/bundles/org.simantics.scenegraph/src/org/simantics/scenegraph/g2d/nodes/SVGHolderNode.java
new file mode 100644 (file)
index 0000000..4b9b62d
--- /dev/null
+++ b/bundles/org.simantics.scenegraph/src/org/simantics/scenegraph/g2d/nodes/SVGHolderNode.java
@@ -0,0 +1,136 @@
+/*******************************************************************************\r
+ * Copyright (c) 2007, 2010 Association for Decentralized Information Management\r
+ * in Industry THTH ry.\r
+ * All rights reserved. This program and the accompanying materials\r
+ * are made available under the terms of the Eclipse Public License v1.0\r
+ * which accompanies this distribution, and is available at\r
+ * http://www.eclipse.org/legal/epl-v10.html\r
+ *\r
+ * Contributors:\r
+ *     VTT Technical Research Centre of Finland - initial API and implementation\r
+ *******************************************************************************/\r
+package org.simantics.scenegraph.g2d.nodes;\r
+\r
+import java.awt.BasicStroke;\r
+import java.awt.Color;\r
+import java.awt.Graphics2D;\r
+import java.awt.Shape;\r
+import java.awt.geom.AffineTransform;\r
+import java.awt.geom.Rectangle2D;\r
+import org.simantics.scenegraph.g2d.G2DParentNode;\r
+import org.simantics.scenegraph.g2d.IG2DNode;\r
+\r
+/**\r
+ * \r
+ * Holder node that scales content to fit (and scales SVG inside those bounds)\r
+ * \r
+ * @author jplaine\r
+ *\r
+ */\r
+public class SVGHolderNode extends G2DParentNode {\r
+    /**\r
+     * \r
+     */\r
+    private static final long serialVersionUID = 8698435757824280001L;\r
+\r
+    protected Rectangle2D bounds = null;\r
+    protected Float       borderWidth = null;\r
+    \r
+    \r
+    @PropertySetter("VariableFilter")\r
+    public void setScript(String script) {\r
+        for(IG2DNode node : getSortedNodes()) // Pass value to children\r
+               if(node instanceof AnimatedSVGNode) {\r
+                       ((AnimatedSVGNode)node).setScript(script);\r
+               }\r
+    }\r
+    \r
+    @PropertySetter("SVG")\r
+    public void setData(String data) {\r
+        for(IG2DNode node : getSortedNodes()) // Pass value to children\r
+               if(node instanceof AnimatedSVGNode) {\r
+                       ((AnimatedSVGNode)node).setData(data);\r
+               }\r
+    }\r
+\r
+    @PropertySetter("Stroke Width")\r
+    @SyncField("border")\r
+    public void setBorderWidth(Float borderWidth) {\r
+        this.borderWidth = borderWidth;\r
+    }\r
+\r
+    @PropertySetter("Bounds")\r
+    @SyncField("bounds")\r
+    public void setBounds(Rectangle2D bounds) {\r
+        this.bounds = bounds;\r
+    }\r
+\r
+    @Override\r
+    public void render(Graphics2D g2d) {\r
+        Rectangle2D cb = getBoundsInLocal(false);\r
+        double scaleX = bounds.getWidth() / cb.getWidth();\r
+        double scaleY = bounds.getHeight() / cb.getHeight();\r
+        double scale = Math.min(scaleX, scaleY);\r
+\r
+        if(borderWidth != null && borderWidth > 0.0f && bounds != null) {\r
+            Graphics2D g2 = (Graphics2D)g2d.create();\r
+            g2.transform(transform);\r
+            g2.setStroke(new BasicStroke(this.borderWidth));\r
+            g2.setColor(Color.BLACK);\r
+            g2.draw(bounds);\r
+            g2.dispose();\r
+        }\r
+\r
+        @SuppressWarnings("unused")\r
+        int noBounds = 0;\r
+        @SuppressWarnings("unused")\r
+        int clipped = 0;\r
+        @SuppressWarnings("unused")\r
+        int rendered = 0;\r
+\r
+        AffineTransform ot = g2d.getTransform();\r
+        g2d.transform(transform);\r
+\r
+        g2d.translate(-cb.getMinX()*scale+bounds.getMinX(), -cb.getMinY()*scale+bounds.getMinY());\r
+        g2d.scale(scale, scale);\r
+\r
+        // Get transformed clip bounds\r
+        Shape clipShape = g2d.getClip();\r
+        Rectangle2D bounds = null;\r
+        if (clipShape instanceof Rectangle2D)\r
+            bounds = (Rectangle2D) clipShape;\r
+        else if (clipShape != null)\r
+            bounds = clipShape.getBounds2D();\r
+\r
+        boolean noClipBounds = bounds == null;\r
+\r
+        for(IG2DNode node : getSortedNodes()) {\r
+            Rectangle2D localBounds = node.getBoundsInLocal();\r
+            boolean hasNoBounds = localBounds == null;\r
+            boolean visible = false;\r
+            if (!noClipBounds && !hasNoBounds) {\r
+                visible = node.intersects(bounds);\r
+            } else {\r
+                ++noBounds;\r
+            }\r
+            if (noClipBounds || hasNoBounds || visible) {\r
+                // TODO: consider removing this g2d.create ?\r
+                // Will definitely current cause bugs to appear.\r
+                if (node.validate()) {\r
+                    node.render(g2d);\r
+                }\r
+                ++rendered;\r
+            } else {\r
+                ++clipped;\r
+            }\r
+        }\r
+\r
+        g2d.setTransform(ot);\r
+    }\r
+\r
+    @Override\r
+    public Rectangle2D getBoundsInLocal() {\r
+        return bounds; // FIXME: not sure if it's a good idea to return different value than the getBoundsInLocal(boolean nulls) returns..\r
+    }\r
+\r
+}\r