image renderer for SunGraphics2D

java/debugger/impl/src/com/intellij/debugger/engine/FullValueEvaluatorProvider.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2000-2014 JetBrains s.r.o.
+ * Copyright 2000-2015 JetBrains s.r.o.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -18,11 +18,12 @@ package com.intellij.debugger.engine;
 import com.intellij.debugger.engine.evaluation.EvaluationContextImpl;
 import com.intellij.debugger.ui.impl.watch.ValueDescriptorImpl;
 import com.intellij.xdebugger.frame.XFullValueEvaluator;
-import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
 
 /**
- * Created by Egor on 04.10.2014.
+ * @author egor
  */
 public interface FullValueEvaluatorProvider {
-  @NotNull XFullValueEvaluator getFullValueEvaluator(EvaluationContextImpl evaluationContext, ValueDescriptorImpl valueDescriptor);
+  @Nullable
+  XFullValueEvaluator getFullValueEvaluator(EvaluationContextImpl evaluationContext, ValueDescriptorImpl valueDescriptor);
 }

java/debugger/impl/src/com/intellij/debugger/engine/JavaValue.java

@@ -146,7 +146,11 @@ public class JavaValue extends XNamedValue implements NodeDescriptorProvider, XV
             presentation = new JavaValuePresentation(value, myValueDescriptor.getIdLabel(), exception != null ? exception.getMessage() : null, myValueDescriptor);
 
             if (myValueDescriptor.getLastRenderer() instanceof FullValueEvaluatorProvider) {
-              node.setFullValueEvaluator(((FullValueEvaluatorProvider)myValueDescriptor.getLastRenderer()).getFullValueEvaluator(myEvaluationContext, myValueDescriptor));
+              XFullValueEvaluator evaluator = ((FullValueEvaluatorProvider)myValueDescriptor.getLastRenderer())
+                .getFullValueEvaluator(myEvaluationContext, myValueDescriptor);
+              if (evaluator != null) {
+                node.setFullValueEvaluator(evaluator);
+              }
             }
             else if (value.length() > XValueNode.MAX_VALUE_LENGTH) {
               node.setFullValueEvaluator(new XFullValueEvaluator() {

java/debugger/impl/src/com/intellij/debugger/settings/GraphicsObjectRenderer.java

@@ -0,0 +1,64 @@
+/*
+ * Copyright 2000-2015 JetBrains s.r.o.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.intellij.debugger.settings;
+
+import com.intellij.debugger.DebuggerBundle;
+import com.intellij.debugger.engine.DebuggerUtils;
+import com.intellij.debugger.engine.FullValueEvaluatorProvider;
+import com.intellij.debugger.engine.evaluation.EvaluationContextImpl;
+import com.intellij.debugger.ui.impl.watch.ValueDescriptorImpl;
+import com.intellij.xdebugger.frame.XFullValueEvaluator;
+import com.sun.jdi.*;
+import org.jetbrains.annotations.Nullable;
+
+import javax.swing.*;
+
+/**
+ * @author egor
+ */
+public class GraphicsObjectRenderer extends ToStringBasedRenderer implements FullValueEvaluatorProvider {
+  public GraphicsObjectRenderer(final NodeRendererSettings rendererSettings) {
+    super(rendererSettings, "Graphics", null, null);
+    setClassName("sun.java2d.SunGraphics2D");
+    setEnabled(true);
+  }
+
+  @Nullable
+  @Override
+  public XFullValueEvaluator getFullValueEvaluator(final EvaluationContextImpl evaluationContext, final ValueDescriptorImpl valueDescriptor) {
+    try {
+      ObjectReference value = (ObjectReference)valueDescriptor.getValue();
+      Field surfaceField = ((ClassType)value.type()).fieldByName("surfaceData");
+      if (surfaceField == null) return null;
+      ObjectReference surfaceDataValue = (ObjectReference)value.getValue(surfaceField);
+      final Field bufImgField = ((ClassType)surfaceDataValue.type()).fieldByName("bufImg");
+      if (bufImgField == null) return null;
+      final Value bufImgValue = surfaceDataValue.getValue(bufImgField);
+      Type type = bufImgValue.type();
+      if (!(type instanceof ReferenceType) || !DebuggerUtils.instanceOf(type, "java.awt.Image")) {
+        return null;
+      }
+      return new CustomPopupFullValueEvaluator(DebuggerBundle.message("message.node.show.image"), evaluationContext) {
+        @Override
+        protected JComponent createComponent() {
+          return ImageObjectRenderer.createIconViewer(ImageObjectRenderer.getIcon(myEvaluationContext, bufImgValue,
+                                                                                  "imageToBytes"));
+        }
+      };
+    } catch (Exception ignored) {}
+    return null;
+  }
+}

java/debugger/impl/src/com/intellij/debugger/settings/IconObjectRenderer.java

@@ -25,7 +25,7 @@ import com.intellij.debugger.ui.tree.ValueDescriptor;
 import com.intellij.debugger.ui.tree.render.DescriptorLabelListener;
 import com.intellij.icons.AllIcons;
 import com.intellij.xdebugger.frame.XFullValueEvaluator;
-import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
 
 import javax.swing.*;
 
@@ -46,7 +46,7 @@ class IconObjectRenderer extends ToStringBasedRenderer implements FullValueEvalu
     return ImageObjectRenderer.getIcon(evaluationContext, descriptor.getValue(), getterName);
   }
 
-  @NotNull
+  @Nullable
   @Override
   public XFullValueEvaluator getFullValueEvaluator(final EvaluationContextImpl evaluationContext, final ValueDescriptorImpl valueDescriptor) {
     return new CustomPopupFullValueEvaluator(DebuggerBundle.message("message.node.show.icon"), evaluationContext) {

java/debugger/impl/src/com/intellij/debugger/settings/ImageObjectRenderer.java

@@ -26,7 +26,6 @@ import com.intellij.rt.debugger.ImageSerializer;
 import com.intellij.xdebugger.frame.XFullValueEvaluator;
 import com.sun.jdi.*;
 import org.intellij.images.editor.impl.ImageEditorManagerImpl;
-import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 
 import javax.swing.*;
@@ -45,7 +44,7 @@ class ImageObjectRenderer extends ToStringBasedRenderer implements FullValueEval
     setEnabled(true);
   }
 
-  @NotNull
+  @Nullable
   @Override
   public XFullValueEvaluator getFullValueEvaluator(final EvaluationContextImpl evaluationContext, final ValueDescriptorImpl valueDescriptor) {
     return new CustomPopupFullValueEvaluator(DebuggerBundle.message("message.node.show.image"), evaluationContext) {

resources/src/META-INF/IdeaPlugin.xml

@@ -1498,6 +1498,7 @@
     <debugger.nodeRenderer implementation="com.intellij.debugger.settings.ColorObjectRenderer"/>
     <debugger.nodeRenderer implementation="com.intellij.debugger.settings.ImageObjectRenderer"/>
     <debugger.nodeRenderer implementation="com.intellij.debugger.settings.IconObjectRenderer"/>
+    <debugger.nodeRenderer implementation="com.intellij.debugger.settings.GraphicsObjectRenderer"/>
 
     <applicationService serviceInterface="com.intellij.remoteServer.runtime.deployment.debug.JavaDebuggerLauncher"
                         serviceImplementation="com.intellij.remoteServer.impl.runtime.deployment.debug.JavaDebuggerLauncherImpl"/>