| /* |
| * Copyright (C) 2012 The Android Open Source Project |
| * |
| * 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.android.ide.eclipse.gltrace.views.detail; |
| |
| import com.android.ide.eclipse.gltrace.state.GLCompositeProperty; |
| import com.android.ide.eclipse.gltrace.state.GLSparseArrayProperty; |
| import com.android.ide.eclipse.gltrace.state.GLStateType; |
| import com.android.ide.eclipse.gltrace.state.GLStringProperty; |
| import com.android.ide.eclipse.gltrace.state.IGLProperty; |
| import com.android.ide.eclipse.gltrace.views.FitToCanvasAction; |
| import com.android.ide.eclipse.gltrace.views.SaveImageAction; |
| import com.android.ide.eclipse.gltrace.widgets.ImageCanvas; |
| |
| import org.eclipse.jface.action.ActionContributionItem; |
| import org.eclipse.jface.action.IContributionItem; |
| import org.eclipse.swt.graphics.Image; |
| import org.eclipse.swt.widgets.Composite; |
| import org.eclipse.swt.widgets.Control; |
| import org.eclipse.swt.widgets.Display; |
| |
| import java.util.Arrays; |
| import java.util.List; |
| |
| public class TextureImageDetailsProvider implements IStateDetailProvider { |
| private ImageCanvas mImageCanvas; |
| private FitToCanvasAction mFitToCanvasAction; |
| private SaveImageAction mSaveImageAction; |
| private List<IContributionItem> mToolBarItems; |
| |
| @Override |
| public boolean isApplicable(IGLProperty state) { |
| return getTextureImageProperty(state) != null; |
| } |
| |
| @Override |
| public void createControl(Composite parent) { |
| mImageCanvas = new ImageCanvas(parent); |
| mImageCanvas.setFitToCanvas(false); |
| |
| mFitToCanvasAction = new FitToCanvasAction(false, mImageCanvas); |
| mSaveImageAction = new SaveImageAction(mImageCanvas); |
| |
| mToolBarItems = Arrays.asList( |
| (IContributionItem) new ActionContributionItem(mFitToCanvasAction), |
| (IContributionItem) new ActionContributionItem(mSaveImageAction)); |
| } |
| |
| @Override |
| public void disposeControl() { |
| mImageCanvas.dispose(); |
| mImageCanvas = null; |
| } |
| |
| @Override |
| public Control getControl() { |
| return mImageCanvas; |
| } |
| |
| @Override |
| public void updateControl(IGLProperty state) { |
| IGLProperty imageProperty = getTextureImageProperty(state); |
| if (imageProperty == null) { |
| return; |
| } |
| |
| String texturePath = ((GLStringProperty) imageProperty).getStringValue(); |
| if (texturePath != null) { |
| mImageCanvas.setImage(new Image(Display.getDefault(), texturePath)); |
| mImageCanvas.setFitToCanvas(false); |
| return; |
| } |
| } |
| |
| /** |
| * Get the {@link GLStateType#TEXTURE_IMAGE} property given a node in |
| * the state hierarchy. |
| * @param state any node in the GL state hierarchy |
| * @return The {@link GLStateType#TEXTURE_IMAGE} property if a unique instance |
| * of it can be accessed from the given node. A unique instance can be |
| * accessed if the given node is either the requested node itself, or |
| * its parent or sibling. In cases where a unique instance cannot be |
| * accessed, but one of the texture mipmap levels can be accessed, then |
| * return the first texture mipmap level. This happens if the selected |
| * state is a child of {@link GLStateType#PER_TEXTURE_STATE}. Returns |
| * null otherwise. |
| */ |
| private IGLProperty getTextureImageProperty(IGLProperty state) { |
| if (state.getType() == GLStateType.TEXTURE_IMAGE) { |
| // given node is the requested node |
| return state; |
| } |
| |
| IGLProperty img = getImageFromPerTextureLevelState(state); |
| if (img != null) { |
| return img; |
| } |
| |
| return getFirstMipmapImage(state); |
| } |
| |
| /** |
| * Returns the {@link GLStateType#TEXTURE_IMAGE} if the provided state is either |
| * {@link GLStateType#PER_TEXTURE_LEVEL_STATE} or one of its children. Returns null otherwise. |
| */ |
| private IGLProperty getImageFromPerTextureLevelState(IGLProperty state) { |
| if (state != null && state.getType() != GLStateType.PER_TEXTURE_LEVEL_STATE) { |
| state = state.getParent(); |
| } |
| |
| if (state == null || state.getType() != GLStateType.PER_TEXTURE_LEVEL_STATE) { |
| return null; |
| } |
| |
| return ((GLCompositeProperty) state).getProperty(GLStateType.TEXTURE_IMAGE); |
| } |
| |
| /** |
| * Returns the first mipmap level's image entry if the provided state is either |
| * {@link GLStateType#PER_TEXTURE_STATE} or one of its immediate children, null otherwise. |
| */ |
| private IGLProperty getFirstMipmapImage(IGLProperty state) { |
| if (state != null && state.getType() != GLStateType.PER_TEXTURE_STATE) { |
| state = state.getParent(); |
| } |
| |
| if (state == null || state.getType() != GLStateType.PER_TEXTURE_STATE) { |
| return null; |
| } |
| |
| IGLProperty mipmaps = |
| ((GLCompositeProperty) state).getProperty(GLStateType.TEXTURE_MIPMAPS); |
| if (!(mipmaps instanceof GLSparseArrayProperty)) { |
| return null; |
| } |
| |
| IGLProperty perTextureLevelState = ((GLSparseArrayProperty) mipmaps).getProperty(0); |
| return getImageFromPerTextureLevelState(perTextureLevelState); |
| } |
| |
| @Override |
| public List<IContributionItem> getToolBarItems() { |
| return mToolBarItems; |
| } |
| } |