Content of file ConvertColorProfileJ2DOp.java.html
<?xml version="1.0" encoding="UTF-8"?><!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"><html xmlns="http://www.w3.org/1999/xhtml" lang="en"><head><meta http-equiv="Content-Type" content="text/html;charset=UTF-8"/><link rel="stylesheet" href="../../jacoco-resources/report.css" type="text/css"/><link rel="shortcut icon" href="../../jacoco-resources/report.gif" type="image/gif"/><title>ConvertColorProfileJ2DOp.java</title><link rel="stylesheet" href="../../jacoco-resources/prettify.css" type="text/css"/><script type="text/javascript" src="../../jacoco-resources/prettify.js"></script></head><body onload="window['PR_TAB_WIDTH']=4;prettyPrint()"><div class="breadcrumb" id="breadcrumb"><span class="info"><a href="../../jacoco-sessions.html" class="el_session">Sessions</a></span><a href="../../index.html" class="el_report">Mistral Examples CustomOperation</a> > <a href="../index.html" class="el_bundle">image-operations</a> > <a href="index.source.html" class="el_package">it.tidalwave.image.java2d</a> > <span class="el_source">ConvertColorProfileJ2DOp.java</span></div><h1>ConvertColorProfileJ2DOp.java</h1><pre class="source lang-java linenums">/*
* *********************************************************************************************************************
*
* Mistral: open source imaging engine
* http://tidalwave.it/projects/mistral
*
* Copyright (C) 2003 - 2023 by Tidalwave s.a.s. (http://tidalwave.it)
*
* *********************************************************************************************************************
*
* 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.
*
* *********************************************************************************************************************
*
* git clone https://bitbucket.org/tidalwave/mistral-src
* git clone https://github.com/tidalwave-it/mistral-src
*
* *********************************************************************************************************************
*/
package it.tidalwave.image.java2d;
import javax.annotation.Nonnull;
import javax.annotation.concurrent.Immutable;
import java.util.Collections;
import java.awt.RenderingHints;
import java.awt.color.ColorSpace;
import java.awt.color.ICC_ColorSpace;
import java.awt.color.ICC_Profile;
import java.awt.image.BufferedImage;
import java.awt.image.ColorConvertOp;
import java.awt.image.ColorModel;
import java.awt.image.DataBuffer;
import java.awt.image.DirectColorModel;
import java.awt.image.Raster;
import it.tidalwave.image.EditableImage;
import it.tidalwave.image.ImageUtils;
import it.tidalwave.image.op.ConvertColorProfileOp;
import it.tidalwave.image.op.OperationImplementation;
import lombok.extern.slf4j.Slf4j;
/***********************************************************************************************************************
*
* @author Fabrizio Giudici
*
**********************************************************************************************************************/
<span class="nc" id="L53">@Immutable @Slf4j</span>
<span class="nc" id="L54">public class ConvertColorProfileJ2DOp extends OperationImplementation<ConvertColorProfileOp, BufferedImage></span>
{
@Override @Nonnull
protected BufferedImage execute (@Nonnull final ConvertColorProfileOp operation,
@Nonnull final EditableImage image,
@Nonnull final BufferedImage bufferedImage)
{
<span class="nc" id="L61"> final var targetProfile = operation.getIccProfile();</span>
<span class="nc" id="L62"> log.debug("convertColorProfile({})", ImageUtils.getICCProfileName(targetProfile));</span>
<span class="nc" id="L63"> Java2DUtils.logImage(log, ">>>> source bufferedImage", bufferedImage);</span>
<span class="nc" id="L65"> final var sourceProfile = ImageUtils.getICCProfile(bufferedImage);</span>
<span class="nc" id="L66"> final var sourceProfileName = ImageUtils.getICCProfileName(sourceProfile);</span>
<span class="nc" id="L67"> log.debug(">>>> Converting profile from {} to {}",</span>
sourceProfileName,
<span class="nc" id="L69"> ImageUtils.getICCProfileName(targetProfile));</span>
<span class="nc" id="L71"> final var hints = new RenderingHints(Collections.emptyMap());</span>
<span class="nc" id="L72"> hints.put(RenderingHints.KEY_COLOR_RENDERING, RenderingHints.VALUE_COLOR_RENDER_QUALITY);</span>
<span class="nc" id="L73"> final var ccOp = new ColorConvertOp(new ICC_Profile[]{targetProfile}, hints);</span>
// Strategy 1: it would be the best, but reduces depth to 8 bit and converts to PixelInterleavedRaster, which
// is SLOW!
// image = ccOp.filter(image, null); // - produce PixelInt BYTE
// Strategy 2: create a dest image which is already an 8-bit packed raster
// FIXME: this reduces the depth to 8 bit, which we don't want!
this reduces the depth to 8 bit, which we don't want!
<span class="nc" id="L80"> log.warn(">>>> **** WARNING: convertColorProfile() is reducing depth to 8 bit!");</span>
<span class="nc" id="L82"> final var raster = Raster.createPackedRaster(DataBuffer.TYPE_INT,</span>
<span class="nc" id="L83"> bufferedImage.getWidth(),</span>
<span class="nc" id="L84"> bufferedImage.getHeight(),</span>
3,
8,
null);
<span class="nc" id="L88"> final ColorSpace colorSpace = new ICC_ColorSpace(targetProfile);</span>
<span class="nc" id="L89"> final ColorModel colorModel =</span>
new DirectColorModel(colorSpace, 24, 0x00ff0000, 0x0000ff00, 0x000000ff, 0, false, DataBuffer.TYPE_INT);
<span class="nc" id="L92"> final var image2 =</span>
<span class="nc" id="L93"> new BufferedImage(colorModel, raster, false, Java2DUtils.getProperties(bufferedImage));</span>
<span class="nc" id="L94"> final var result = ccOp.filter(bufferedImage, image2);</span>
// Strategy 3: work in place. It would be the best, but it does not work: produces a dark image.
// ccOp.filter(image, image);
// Strategy 4: create an explicity destination image with the same SampleModel as the source, but produces a dark image
// BufferedImage image2 = createCopy2(false); // - stessa conseguenza dell'in place
// image = ccOp.filter(image, image2);
<span class="nc" id="L101"> Java2DUtils.logImage(log, ">>>> >>>> convertColorProfile() returning ", result);</span>
<span class="nc" id="L103"> return result;</span>
}
}
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