author | Deepak Modgil <Deepak.Modgil@Nokia.com> |
Fri, 03 Apr 2009 23:33:03 +0100 | |
changeset 0 | fb279309251b |
child 446 | 8cd2a2915e7b |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2007 Nokia Corporation and/or its subsidiary(-ies). |
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* All rights reserved. |
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* This component and the accompanying materials are made available |
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* under the terms of the License "Eclipse Public License v1.0" |
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* which accompanies this distribution, and is available |
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* at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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* |
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* Initial Contributors: |
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* Nokia Corporation - initial contribution. |
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* |
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* Contributors: |
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* |
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* Description: |
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* |
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*/ |
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|
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package com.nokia.carbide.cpp.internal.ui.images; |
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|
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import com.nokia.carbide.cpp.ui.CarbideUIPlugin; |
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import com.nokia.carbide.cpp.ui.images.*; |
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import com.nokia.cpp.internal.api.utils.core.*; |
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import com.nokia.sdt.utils.ImageUtils; |
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import org.eclipse.core.resources.IProject; |
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import org.eclipse.core.runtime.*; |
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import org.eclipse.jface.resource.ImageDescriptor; |
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import org.eclipse.swt.graphics.ImageData; |
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import org.eclipse.swt.graphics.Point; |
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import java.io.File; |
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import java.io.FileNotFoundException; |
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public class MaskedFileImageModel extends FileImageModel implements |
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IMaskedFileImageModel { |
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private IPath maskPath; |
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private IPath maskSourceLocation; |
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private IImageDataProvider imageProvider; |
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private IImageDataProvider maskProvider; |
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private ImageDescriptor composedImageDescriptor; |
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private ImageData imageData; |
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private ImageData maskData; |
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private final MaskCompositionMethod method; |
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/** |
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* @param containerModel |
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* @param basePath |
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* @param imagePath |
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* @param composeByTiling if true, compose a non-equal-sized image and mask |
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* by tiling the mask, else, scale the mask |
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*/ |
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public MaskedFileImageModel(IImageContainerModel containerModel, |
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IPath basePath, IPath imagePath, IPath maskPath, |
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MaskCompositionMethod method) { |
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super(containerModel, basePath, imagePath); |
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this.maskPath = maskPath; |
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this.method = method; |
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if (maskPath != null) { |
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if (maskPath.isAbsolute() || maskPath.getDevice() != null) |
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maskSourceLocation = maskPath; |
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else |
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maskSourceLocation = basePath.append(maskPath); |
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} |
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} |
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/** |
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* @param containerModel |
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* @param project |
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* @param imagePath |
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*/ |
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public MaskedFileImageModel(IImageContainerModel containerModel, |
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IProject project, IPath imagePath, IPath maskPath, |
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MaskCompositionMethod method) { |
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super(containerModel, project, imagePath); |
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this.maskPath = maskPath; |
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this.method = method; |
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if (maskPath != null) { |
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if (maskPath.isAbsolute() || maskPath.getDevice() != null) |
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maskSourceLocation = maskPath; |
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else |
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maskSourceLocation = basePath.append(maskPath); |
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} |
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} |
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@Override |
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public int hashCode() { |
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final int prime = 31; |
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int result = super.hashCode(); |
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result = prime |
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* result |
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+ ((maskSourceLocation == null) ? 0 : maskSourceLocation |
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.hashCode()); |
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result = prime * result + ((method == null) ? 0 : method.hashCode()); |
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return result; |
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} |
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|
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@Override |
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public boolean equals(Object obj) { |
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if (this == obj) |
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return true; |
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if (!super.equals(obj)) |
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return false; |
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if (getClass() != obj.getClass()) |
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return false; |
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final MaskedFileImageModel other = (MaskedFileImageModel) obj; |
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if (maskSourceLocation == null) { |
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if (other.maskSourceLocation != null) |
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return false; |
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} else if (!maskSourceLocation.equals(other.maskSourceLocation)) |
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return false; |
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if (method == null) { |
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if (other.method != null) |
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return false; |
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} else if (!method.equals(other.method)) |
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return false; |
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return true; |
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} |
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|
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/* (non-Javadoc) |
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* @see com.nokia.carbide.cpp.ui.images.IMaskedFileImageModel#getMaskCompositionMethod() |
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*/ |
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public MaskCompositionMethod getMaskCompositionMethod() { |
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return method; |
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} |
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|
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128 |
/* (non-Javadoc) |
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* @see com.nokia.carbide.cpp.project.ui.images.FileImageModel#getDisplayText() |
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*/ |
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131 |
@Override |
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132 |
public String getDisplayText() { |
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if (maskPath != null) { |
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return super.getDisplayText() + " + " + maskPath.toPortableString(); //$NON-NLS-1$ |
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} |
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return super.getDisplayText(); |
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137 |
} |
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138 |
|
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139 |
/* (non-Javadoc) |
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* @see com.nokia.carbide.cpp.project.ui.images.IMaskedFileImageModel#getMaskProjectPath() |
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141 |
*/ |
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142 |
public IPath getMaskProjectPath() { |
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143 |
return maskPath; |
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144 |
} |
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145 |
|
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146 |
/* (non-Javadoc) |
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* @see com.nokia.carbide.cpp.project.ui.images.IMaskedFileImageModel#getMaskSourceLocation() |
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148 |
*/ |
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149 |
public IPath getMaskSourceLocation() { |
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return maskSourceLocation; |
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151 |
} |
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152 |
|
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153 |
/* (non-Javadoc) |
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* @see com.nokia.carbide.cpp.project.ui.images.FileImageModel#validate() |
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155 |
*/ |
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156 |
@Override |
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public IStatus validate() { |
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IStatus status = super.validate(); |
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if (!status.isOK()) |
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return status; |
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161 |
|
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162 |
if (maskSourceLocation != null) { |
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File file = maskSourceLocation.toFile(); |
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if (!file.exists()) { |
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165 |
return Logging.newStatus(CarbideUIPlugin.getDefault(), |
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new FileNotFoundException(file.getAbsolutePath())); |
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167 |
} |
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168 |
} |
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return Status.OK_STATUS; |
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170 |
} |
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171 |
|
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172 |
/** |
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* Load the image data, cached for the default size |
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174 |
* @param size null for the original size or another size |
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175 |
* @return original ImageData |
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176 |
* @throws CoreException |
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177 |
*/ |
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protected ImageData getImageData(Point size) throws CoreException { |
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if (imageProvider == null) { |
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imageProvider = getImageContainerModel().getImageLoader().createImageDataProvider(getSourceLocation()); |
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181 |
if (imageProvider != null) { |
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imageProvider.addListener(this); |
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183 |
} |
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184 |
} |
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185 |
if (size == null) { |
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186 |
if (imageData == null && imageProvider != null) { |
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imageData = imageProvider.getImageData(null); |
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} |
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189 |
return imageData; |
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190 |
} else { |
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191 |
return imageProvider.getImageData(size); |
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192 |
} |
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193 |
} |
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194 |
|
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195 |
/** |
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196 |
* Load the mask data, cached for the default size |
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197 |
* @param size null for the original size or another size |
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198 |
* @return original ImageData |
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199 |
* @throws CoreException |
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200 |
*/ |
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201 |
protected ImageData getMaskData(Point size) throws CoreException { |
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202 |
if (maskSourceLocation == null) |
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203 |
return null; |
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204 |
|
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205 |
if (maskProvider == null) { |
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206 |
maskProvider = getImageContainerModel().getImageLoader().createImageDataProvider(maskSourceLocation); |
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207 |
if (maskProvider != null) { |
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208 |
maskProvider.addListener(this); |
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209 |
} |
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210 |
} |
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211 |
if (size == null) { |
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212 |
if (maskData == null) { |
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213 |
maskData = maskProvider.getImageData(null); |
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214 |
} |
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215 |
return maskData; |
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216 |
} |
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217 |
return maskProvider.getImageData(size); |
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218 |
|
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219 |
} |
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220 |
|
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221 |
public ImageDescriptor getImageDescriptor(Point size) throws CoreException { |
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222 |
if (size == null) { |
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223 |
if (composedImageDescriptor != null) { |
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224 |
return composedImageDescriptor; |
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225 |
} |
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226 |
} |
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227 |
|
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ImageDescriptor descriptor = null; |
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229 |
ImageData combined; |
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230 |
ImageData imageData; |
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231 |
ImageData maskData; |
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232 |
|
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233 |
if (maskSourceLocation != null) { |
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234 |
if (method == MaskCompositionMethod.TILING) { |
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235 |
// Get image and mask in the original size, then scale the whole thing, else |
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236 |
// the tiling won't work |
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237 |
imageData = getImageData(null); |
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238 |
maskData = getMaskData(null); |
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239 |
|
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combined = combineImageAndMask(imageData, maskData); |
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241 |
|
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242 |
// scale the combined image |
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243 |
if (size != null && (size.x != combined.width || size.y != combined.height)) { |
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combined = ImageUtils.scaleImageData(combined, size, false, false); |
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245 |
} |
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246 |
} else { |
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247 |
// Scale the image and mask to the same size, then combine |
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248 |
imageData = getImageData(size); |
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249 |
maskData = getMaskData(size); |
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250 |
Check.checkState(imageData != null); |
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251 |
combined = combineImageAndMask(imageData, maskData); |
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252 |
} |
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253 |
|
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254 |
} else { |
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// no mask, just get image at desired size |
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imageData = getImageData(size); |
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combined = combineImageAndMask(imageData, null); |
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} |
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|
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descriptor = ImageDescriptor.createFromImageData(combined); |
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if (size == null) { |
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composedImageDescriptor = descriptor; |
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} |
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|
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return descriptor; |
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} |
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|
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/** |
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* Combine the image and mask data. The default implementation supports |
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* 1 and 8-bit masks. |
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* @param imageData |
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* @param maskData |
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* @return ImageData |
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* @throws CoreException |
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*/ |
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protected ImageData combineImageAndMask(ImageData imageData, |
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ImageData maskData) throws CoreException { |
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if (maskData == null) |
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return imageData; |
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if (imageData == null) |
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return null; |
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if (maskData.depth > 1) |
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return ImageUtils.createCombinedImageData(imageData, maskData, true); |
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else |
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return ImageUtils.createMaskedImageData(imageData, maskData); |
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} |
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|
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} |