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Diffstat (limited to 'src/java/org/apache/fop/render/pdf/FopPDFImage.java')
-rw-r--r--src/java/org/apache/fop/render/pdf/FopPDFImage.java374
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diff --git a/src/java/org/apache/fop/render/pdf/FopPDFImage.java b/src/java/org/apache/fop/render/pdf/FopPDFImage.java
deleted file mode 100644
index e60c207d6..000000000
--- a/src/java/org/apache/fop/render/pdf/FopPDFImage.java
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@@ -1,374 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements. See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You 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.
- */
-
-/* $Id$ */
-
-package org.apache.fop.render.pdf;
-import java.awt.color.ColorSpace;
-import java.awt.color.ICC_Profile;
-import java.io.IOException;
-import java.io.OutputStream;
-
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
-
-import org.apache.fop.image.EPSImage;
-import org.apache.fop.image.FopImage;
-import org.apache.fop.image.TIFFImage;
-import org.apache.fop.pdf.BitmapImage;
-import org.apache.fop.pdf.CCFFilter;
-import org.apache.fop.pdf.DCTFilter;
-import org.apache.fop.pdf.PDFColor;
-import org.apache.fop.pdf.PDFConformanceException;
-import org.apache.fop.pdf.PDFDeviceColorSpace;
-import org.apache.fop.pdf.PDFDictionary;
-import org.apache.fop.pdf.PDFDocument;
-import org.apache.fop.pdf.PDFFilter;
-import org.apache.fop.pdf.PDFFilterList;
-import org.apache.fop.pdf.PDFICCBasedColorSpace;
-import org.apache.fop.pdf.PDFICCStream;
-import org.apache.fop.pdf.PDFImage;
-import org.apache.fop.pdf.PDFReference;
-import org.apache.fop.util.ColorProfileUtil;
-
-/**
- * PDFImage implementation for the PDF renderer.
- */
-public class FopPDFImage implements PDFImage {
-
- /** logging instance */
- private static Log log = LogFactory.getLog(FopPDFImage.class);
-
- private FopImage fopImage;
- private PDFICCStream pdfICCStream = null;
- private PDFFilter pdfFilter = null;
- private String maskRef;
- private PDFReference softMask;
- private boolean isPS = false;
- private boolean isCCF = false;
- private boolean isDCT = false;
- private String key;
-
- /**
- * Creates a new PDFImage from a FopImage
- * @param image Image
- * @param key XObject key
- */
- public FopPDFImage(FopImage image, String key) {
- fopImage = image;
- this.key = key;
- isPS = (fopImage instanceof EPSImage);
- }
-
- /**
- * {@inheritDoc}
- */
- public String getKey() {
- // key to look up XObject
- return this.key;
- }
-
- /**
- * {@inheritDoc}
- */
- public void setup(PDFDocument doc) {
- if ("image/jpeg".equals(fopImage.getMimeType())) {
- pdfFilter = new DCTFilter();
- pdfFilter.setApplied(true);
- isDCT = true;
-
- } else if ("image/tiff".equals(fopImage.getMimeType())
- && fopImage instanceof TIFFImage) {
- TIFFImage tiffImage = (TIFFImage) fopImage;
- if (tiffImage.getStripCount() == 1) {
- int comp = tiffImage.getCompression();
- if (comp == 1) {
- // Nothing to do
- } else if (comp == 3) {
- pdfFilter = new CCFFilter();
- pdfFilter.setApplied(true);
- isCCF = true;
- } else if (comp == 4) {
- pdfFilter = new CCFFilter();
- pdfFilter.setApplied(true);
- PDFDictionary dict = new PDFDictionary();
- dict.put("K", -1);
- dict.put("Columns", tiffImage.getWidth());
- ((CCFFilter)pdfFilter).setDecodeParms(dict);
- isCCF = true;
- } else if (comp == 6) {
- pdfFilter = new DCTFilter();
- pdfFilter.setApplied(true);
- isDCT = true;
- }
- }
- }
- if (isPS || isDCT || isCCF) {
- fopImage.load(FopImage.ORIGINAL_DATA);
- } else {
- fopImage.load(FopImage.BITMAP);
- }
- ICC_Profile prof = fopImage.getICCProfile();
- PDFDeviceColorSpace pdfCS = toPDFColorSpace(fopImage.getColorSpace());
- if (prof != null) {
- boolean defaultsRGB = ColorProfileUtil.isDefaultsRGB(prof);
- String desc = ColorProfileUtil.getICCProfileDescription(prof);
- if (log.isDebugEnabled()) {
- log.debug("Image returns ICC profile: " + desc + ", default sRGB=" + defaultsRGB);
- }
- PDFICCBasedColorSpace cs = doc.getResources().getICCColorSpaceByProfileName(desc);
- if (!defaultsRGB) {
- if (cs == null) {
- pdfICCStream = doc.getFactory().makePDFICCStream();
- pdfICCStream.setColorSpace(prof, pdfCS);
- cs = doc.getFactory().makeICCBasedColorSpace(null, null, pdfICCStream);
- } else {
- pdfICCStream = cs.getICCStream();
- }
- } else {
- if (cs == null && "sRGB".equals(desc)) {
- //It's the default sRGB profile which we mapped to DefaultRGB in PDFRenderer
- cs = doc.getResources().getColorSpace("DefaultRGB");
- }
- pdfICCStream = cs.getICCStream();
- }
- }
- //Handle transparency mask if applicable
- if (fopImage.hasSoftMask()) {
- doc.getProfile().verifyTransparencyAllowed(fopImage.getOriginalURI());
- //TODO Implement code to combine image with background color if transparency is not
- //allowed (need BufferedImage support for that)
- byte [] softMaskBitmap = fopImage.getSoftMask();
- if (softMaskBitmap == null) {
- return;
- }
- BitmapImage fopimg = new BitmapImage
- ("Mask:" + key, fopImage.getWidth(), fopImage.getHeight(),
- softMaskBitmap, null);
- fopimg.setColorSpace(new PDFDeviceColorSpace(PDFDeviceColorSpace.DEVICE_GRAY));
- softMask = doc.addImage(null, fopimg).makeReference();
- }
- if (doc.getProfile().getPDFAMode().isPDFA1LevelB()) {
- if (pdfCS != null
- && pdfCS.getColorSpace() != PDFDeviceColorSpace.DEVICE_RGB
- && pdfCS.getColorSpace() != PDFDeviceColorSpace.DEVICE_GRAY
- && prof == null) {
- //See PDF/A-1, ISO 19005:1:2005(E), 6.2.3.3
- //FOP is currently restricted to DeviceRGB if PDF/A-1 is active.
- throw new PDFConformanceException(
- "PDF/A-1 does not allow mixing DeviceRGB and DeviceCMYK: "
- + fopImage.getOriginalURI());
- }
- }
- }
-
- /**
- * {@inheritDoc}
- */
- public int getWidth() {
- return fopImage.getWidth();
- }
-
- /**
- * {@inheritDoc}
- */
- public int getHeight() {
- return fopImage.getHeight();
- }
-
- /**
- * {@inheritDoc}
- */
- public PDFDeviceColorSpace getColorSpace() {
- // DeviceGray, DeviceRGB, or DeviceCMYK
- if (isCCF || isDCT || isPS) {
- return toPDFColorSpace(fopImage.getColorSpace());
- } else {
- return toPDFColorSpace(ColorSpace.getInstance(ColorSpace.CS_sRGB));
- }
- }
-
- /**
- * {@inheritDoc}
- */
- public int getBitsPerPixel() {
- if (isCCF) {
- return fopImage.getBitsPerPixel();
- } else {
- return 8; //TODO This is suboptimal, handling everything as RGB
- //The image wrappers can mostly only return RGB bitmaps right now. This should
- //be improved so the renderers can deal directly with RenderedImage instances.
- }
- }
-
- /**
- * {@inheritDoc}
- */
- public boolean isTransparent() {
- return fopImage.isTransparent();
- }
-
- /**
- * {@inheritDoc}
- */
- public PDFColor getTransparentColor() {
- return new PDFColor(fopImage.getTransparentColor().getRed(),
- fopImage.getTransparentColor().getGreen(),
- fopImage.getTransparentColor().getBlue());
- }
-
- /**
- * {@inheritDoc}
- */
- public String getMask() {
- return maskRef;
- }
-
- /** {@inheritDoc} */
- public PDFReference getSoftMaskReference() {
- return softMask;
- }
-
- /** @return true for CMYK images generated by Adobe Photoshop */
- public boolean isInverted() {
- return fopImage.isInverted();
- }
-
- /**
- * {@inheritDoc}
- */
- public boolean isPS() {
- return isPS;
- }
-
- /**
- * {@inheritDoc}
- */
- public PDFFilter getPDFFilter() {
- return pdfFilter;
- }
-
- /**
- * {@inheritDoc}
- */
- public void outputContents(OutputStream out) throws IOException {
- if (isPS) {
- outputPostScriptContents(out);
- } else {
- if (fopImage.getBitmapsSize() > 0) {
- out.write(fopImage.getBitmaps());
- } else {
- out.write(fopImage.getRessourceBytes());
- }
- }
- }
-
- /**
- * Serializes an EPS image to an OutputStream.
- * @param out OutputStream to write to
- * @throws IOException in case of an I/O problem
- */
- protected void outputPostScriptContents(OutputStream out) throws IOException {
- EPSImage epsImage = (EPSImage) fopImage;
- int[] bbox = epsImage.getBBox();
- int bboxw = bbox[2] - bbox[0];
- int bboxh = bbox[3] - bbox[1];
-
- // delegate the stream work to PDFStream
- //PDFStream imgStream = new PDFStream(0);
-
- StringBuffer preamble = new StringBuffer();
- preamble.append("%%BeginDocument: " + epsImage.getDocName() + "\n");
-
- preamble.append("userdict begin % Push userdict on dict stack\n");
- preamble.append("/PreEPS_state save def\n");
- preamble.append("/dict_stack countdictstack def\n");
- preamble.append("/ops_count count 1 sub def\n");
- preamble.append("/showpage {} def\n");
-
-
- preamble.append((double)(1f / (double) bboxw) + " "
- + (double)(1f / (double) bboxh) + " scale\n");
- preamble.append(-bbox[0] + " " + (-bbox[1]) + " translate\n");
- preamble.append(bbox[0] + " " + bbox[1] + " "
- + bboxw + " " + bboxh + " rectclip\n");
- preamble.append("newpath\n");
-
- StringBuffer post = new StringBuffer();
- post.append("%%EndDocument\n");
- post.append("count ops_count sub {pop} repeat\n");
- post.append("countdictstack dict_stack sub {end} repeat\n");
- post.append("PreEPS_state restore\n");
- post.append("end % userdict\n");
-
- //Write Preamble
- out.write(PDFDocument.encode(preamble.toString()));
- //Write EPS contents
- out.write(((EPSImage)fopImage).getEPSImage());
- //Writing trailer
- out.write(PDFDocument.encode(post.toString()));
- }
-
- /**
- * {@inheritDoc}
- */
- public PDFICCStream getICCStream() {
- return pdfICCStream;
- }
-
- /**
- * Converts a ColorSpace object to a PDFColorSpace object.
- * @param cs ColorSpace instance
- * @return PDFColorSpace new converted object
- */
- public static PDFDeviceColorSpace toPDFColorSpace(ColorSpace cs) {
- if (cs == null) {
- return null;
- }
-
- PDFDeviceColorSpace pdfCS = new PDFDeviceColorSpace(0);
- switch(cs.getType()) {
- case ColorSpace.TYPE_CMYK:
- pdfCS.setColorSpace(PDFDeviceColorSpace.DEVICE_CMYK);
- break;
- case ColorSpace.TYPE_RGB:
- pdfCS.setColorSpace(PDFDeviceColorSpace.DEVICE_RGB);
- break;
- case ColorSpace.TYPE_GRAY:
- pdfCS.setColorSpace(PDFDeviceColorSpace.DEVICE_GRAY);
- break;
- }
- return pdfCS;
- }
-
- /**
- * {@inheritDoc}
- */
- public String getFilterHint() {
- if (isPS) {
- return PDFFilterList.CONTENT_FILTER;
- } else if (isDCT) {
- return PDFFilterList.JPEG_FILTER;
- } else if (isCCF) {
- return PDFFilterList.TIFF_FILTER;
- } else {
- return PDFFilterList.IMAGE_FILTER;
- }
- }
-
-}
-
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-25 02:49:31 +0000