mirror of
https://github.com/Alfresco/alfresco-transform-core.git
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ATS-675/ATS-705 Implemented ImageMagickAdapter
Moved and renamed OptionsBuilder. Moved to alfresco-transform-imagemagick, renamed ImageMagickOptionsBuilder. Added dependencies to pom.xml
This commit is contained in:
David Edwards
@@ -0,0 +1,361 @@
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/*
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* #%L
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* Alfresco Transform Core
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* %%
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* Copyright (C) 2005 - 2019 Alfresco Software Limited
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* %%
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* This file is part of the Alfresco software.
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* -
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* If the software was purchased under a paid Alfresco license, the terms of
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* the paid license agreement will prevail. Otherwise, the software is
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* provided under the following open source license terms:
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* -
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* Alfresco is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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* -
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* Alfresco is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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* -
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* You should have received a copy of the GNU Lesser General Public License
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* along with Alfresco. If not, see <http://www.gnu.org/licenses/>.
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* #L%
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*/
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package org.alfresco.transformer;
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import static org.alfresco.transformer.util.Util.stringToBoolean;
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import static org.alfresco.transformer.util.Util.stringToInteger;
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import static org.springframework.http.HttpStatus.BAD_REQUEST;
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import java.util.List;
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import java.util.StringJoiner;
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import org.alfresco.transform.exceptions.TransformException;
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import com.google.common.collect.ImmutableList;
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/**
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* ImageMagick options builder.
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*
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* @author Cezar Leahu
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*/
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public final class ImageMagickOptionsBuilder
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{
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private static final List<String> GRAVITY_VALUES = ImmutableList.of("North", "NorthEast",
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"East", "SouthEast", "South", "SouthWest", "West", "NorthWest", "Center");
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private Integer startPage;
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private Integer endPage;
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private Boolean alphaRemove;
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private Boolean autoOrient;
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private String cropGravity;
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private Integer cropWidth;
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private Integer cropHeight;
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private Boolean cropPercentage;
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private Integer cropXOffset;
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private Integer cropYOffset;
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private Boolean thumbnail;
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private Integer resizeWidth;
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private Integer resizeHeight;
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private Boolean resizePercentage;
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private Boolean allowEnlargement;
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private Boolean maintainAspectRatio;
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private String commandOptions;
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private ImageMagickOptionsBuilder() {}
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public ImageMagickOptionsBuilder withStartPage(final String startPage)
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{
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return withStartPage(stringToInteger(startPage));
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}
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public ImageMagickOptionsBuilder withStartPage(final Integer startPage)
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{
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this.startPage = startPage;
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return this;
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}
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public ImageMagickOptionsBuilder withEndPage(final String endPage)
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{
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return withEndPage(stringToInteger(endPage));
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}
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public ImageMagickOptionsBuilder withEndPage(final Integer endPage)
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{
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this.endPage = endPage;
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return this;
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}
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public ImageMagickOptionsBuilder withAlphaRemove(final String alphaRemove)
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{
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return withAlphaRemove(stringToBoolean(alphaRemove));
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}
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public ImageMagickOptionsBuilder withAlphaRemove(final Boolean alphaRemove)
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{
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this.alphaRemove = alphaRemove;
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return this;
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}
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public ImageMagickOptionsBuilder withAutoOrient(final String autoOrient)
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{
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return withAutoOrient(stringToBoolean(autoOrient));
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}
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public ImageMagickOptionsBuilder withAutoOrient(final Boolean autoOrient)
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{
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this.autoOrient = autoOrient;
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return this;
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}
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public ImageMagickOptionsBuilder withCropGravity(final String cropGravity)
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{
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this.cropGravity = cropGravity;
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return this;
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}
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public ImageMagickOptionsBuilder withCropWidth(final String cropWidth)
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{
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return withCropWidth(stringToInteger(cropWidth));
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}
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public ImageMagickOptionsBuilder withCropWidth(final Integer cropWidth)
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{
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this.cropWidth = cropWidth;
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return this;
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}
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public ImageMagickOptionsBuilder withCropHeight(final String cropHeight)
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{
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return withCropHeight(stringToInteger(cropHeight));
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}
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public ImageMagickOptionsBuilder withCropHeight(final Integer cropHeight)
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{
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this.cropHeight = cropHeight;
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return this;
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}
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public ImageMagickOptionsBuilder withCropPercentage(final String cropPercentage)
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{
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return withCropPercentage(stringToBoolean(cropPercentage));
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}
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public ImageMagickOptionsBuilder withCropPercentage(final Boolean cropPercentage)
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{
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this.cropPercentage = cropPercentage;
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return this;
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}
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public ImageMagickOptionsBuilder withCropXOffset(final String cropXOffset)
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{
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return withCropXOffset(stringToInteger(cropXOffset));
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}
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public ImageMagickOptionsBuilder withCropXOffset(final Integer cropXOffset)
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{
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this.cropXOffset = cropXOffset;
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return this;
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}
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public ImageMagickOptionsBuilder withCropYOffset(final String cropYOffset)
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{
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return withCropYOffset(stringToInteger(cropYOffset));
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}
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public ImageMagickOptionsBuilder withCropYOffset(final Integer cropYOffset)
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{
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this.cropYOffset = cropYOffset;
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return this;
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}
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public ImageMagickOptionsBuilder withThumbnail(final String thumbnail)
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{
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return withThumbnail(stringToBoolean(thumbnail));
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}
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public ImageMagickOptionsBuilder withThumbnail(final Boolean thumbnail)
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{
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this.thumbnail = thumbnail;
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return this;
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}
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public ImageMagickOptionsBuilder withResizeWidth(final String resizeWidth)
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{
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return withResizeWidth(stringToInteger(resizeWidth));
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}
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public ImageMagickOptionsBuilder withResizeWidth(final Integer resizeWidth)
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{
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this.resizeWidth = resizeWidth;
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return this;
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}
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public ImageMagickOptionsBuilder withResizeHeight(final String resizeHeight)
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{
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return withResizeHeight(stringToInteger(resizeHeight));
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}
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public ImageMagickOptionsBuilder withResizeHeight(final Integer resizeHeight)
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{
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this.resizeHeight = resizeHeight;
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return this;
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}
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public ImageMagickOptionsBuilder withResizePercentage(final String resizePercentage)
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{
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return withResizePercentage(stringToBoolean(resizePercentage));
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}
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public ImageMagickOptionsBuilder withResizePercentage(final Boolean resizePercentage)
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{
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this.resizePercentage = resizePercentage;
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return this;
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}
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public ImageMagickOptionsBuilder withAllowEnlargement(final String allowEnlargement)
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{
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return withAllowEnlargement(stringToBoolean(allowEnlargement));
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}
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public ImageMagickOptionsBuilder withAllowEnlargement(final Boolean allowEnlargement)
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{
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this.allowEnlargement = allowEnlargement;
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return this;
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}
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public ImageMagickOptionsBuilder withMaintainAspectRatio(final String maintainAspectRatio)
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{
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return withMaintainAspectRatio(stringToBoolean(maintainAspectRatio));
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}
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public ImageMagickOptionsBuilder withMaintainAspectRatio(final Boolean maintainAspectRatio)
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{
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this.maintainAspectRatio = maintainAspectRatio;
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return this;
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}
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public ImageMagickOptionsBuilder withCommandOptions(final String commandOptions)
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{
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this.commandOptions = commandOptions;
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return this;
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}
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public String build()
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{
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if (cropGravity != null)
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{
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cropGravity = cropGravity.trim();
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if (cropGravity.isEmpty())
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{
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cropGravity = null;
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}
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else if (!GRAVITY_VALUES.contains(cropGravity))
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{
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throw new TransformException(BAD_REQUEST.value(), "Invalid cropGravity value");
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}
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}
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StringJoiner args = new StringJoiner(" ");
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if (alphaRemove != null && alphaRemove)
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{
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args.add("-alpha");
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args.add(("remove"));
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}
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if (autoOrient != null && autoOrient)
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{
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args.add("-auto-orient");
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}
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if (cropGravity != null || cropWidth != null || cropHeight != null || cropPercentage != null ||
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cropXOffset != null || cropYOffset != null)
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{
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if (cropGravity != null)
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{
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args.add("-gravity");
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args.add(cropGravity);
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}
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StringBuilder crop = new StringBuilder();
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if (cropWidth != null && cropWidth >= 0)
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{
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crop.append(cropWidth);
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}
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if (cropHeight != null && cropHeight >= 0)
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{
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crop.append('x');
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crop.append(cropHeight);
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}
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if (cropPercentage != null && cropPercentage)
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{
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crop.append('%');
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}
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if (cropXOffset != null)
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{
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if (cropXOffset >= 0)
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{
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crop.append('+');
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}
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crop.append(cropXOffset);
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}
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if (cropYOffset != null)
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{
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if (cropYOffset >= 0)
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{
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crop.append('+');
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}
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crop.append(cropYOffset);
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}
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if (crop.length() > 1)
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{
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args.add("-crop");
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args.add(crop);
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}
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args.add("+repage");
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}
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if (resizeHeight != null || resizeWidth != null || resizePercentage != null || maintainAspectRatio != null)
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{
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args.add(thumbnail != null && thumbnail ? "-thumbnail" : "-resize");
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StringBuilder resize = new StringBuilder();
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if (resizeWidth != null && resizeWidth >= 0)
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{
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resize.append(resizeWidth);
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}
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if (resizeHeight != null && resizeHeight >= 0)
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{
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resize.append('x');
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resize.append(resizeHeight);
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}
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if (resizePercentage != null && resizePercentage)
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{
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resize.append('%');
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}
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if (allowEnlargement == null || !allowEnlargement)
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{
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resize.append('>');
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}
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if (maintainAspectRatio != null && !maintainAspectRatio)
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{
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resize.append('!');
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}
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if (resize.length() > 1)
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{
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args.add(resize);
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}
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}
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return (commandOptions == null || "".equals(
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commandOptions.trim()) ? "" : commandOptions + ' ') +
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args.toString();
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}
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public static ImageMagickOptionsBuilder builder()
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{
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return new ImageMagickOptionsBuilder();
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}
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}
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