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https://issues.apache.org/jira/browse/PDFBOX-1075?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13083160#comment-13083160
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Antoni Mylka commented on PDFBOX-1075:
--------------------------------------
FWIW.
I narrowed the problem down to revision 1133281. The test used to pass before
that revision, and stopped passing afterwards. That revision has been committed
by Andreas Lehmkühler within the scope of PDFBOX-1010.
I have no idea what this commit was about and why it caused a regression.
> Can't get images from a PDF
> ---------------------------
>
> Key: PDFBOX-1075
> URL: https://issues.apache.org/jira/browse/PDFBOX-1075
> Project: PDFBox
> Issue Type: Bug
> Components: Parsing
> Affects Versions: 1.6.0, 1.7.0
> Reporter: Antoni Mylka
>
> This is a regression. In 1.4.0 I was able to extract images from a PDF file.
> In 1.6 and the current trunk I get exceptions:
> SEVERE: java.lang.IllegalArgumentException: Raster BytePackedRaster: width =
> 1000 height = 32 #channels 1 xOff = 0 yOff = 0 is incompatible with
> ColorModel IndexColorModel: #pixelBits = 1 numComponents = 3 color space =
> java.awt.color.ICC_ColorSpace@1050169 transparency = 1 transIndex = -1 has
> alpha = false isAlphaPre = false
> java.lang.IllegalArgumentException: Raster BytePackedRaster: width = 1000
> height = 32 #channels 1 xOff = 0 yOff = 0 is incompatible with ColorModel
> IndexColorModel: #pixelBits = 1 numComponents = 3 color space =
> java.awt.color.ICC_ColorSpace@1050169 transparency = 1 transIndex = -1 has
> alpha = false isAlphaPre = false
> at java.awt.image.BufferedImage.<init>(BufferedImage.java:611)
> at
> org.apache.pdfbox.pdmodel.graphics.xobject.PDPixelMap.getRGBImage(PDPixelMap.java:252)
> at
> org.apache.pdfbox.pdmodel.graphics.xobject.PDPixelMap.write2OutputStream(PDPixelMap.java:289)
> at
> org.apache.pdfbox.TestGovdocs148902.test148902(TestGovdocs148902.java:58)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> at java.lang.reflect.Method.invoke(Method.java:597)
> at junit.framework.TestCase.runTest(TestCase.java:168)
> at junit.framework.TestCase.runBare(TestCase.java:134)
> at junit.framework.TestResult$1.protect(TestResult.java:110)
> at junit.framework.TestResult.runProtected(TestResult.java:128)
> at junit.framework.TestResult.run(TestResult.java:113)
> at junit.framework.TestCase.run(TestCase.java:124)
> at junit.framework.TestSuite.runTest(TestSuite.java:232)
> at junit.framework.TestSuite.run(TestSuite.java:227)
> at
> org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:83)
> at
> org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:49)
> at
> org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
> at
> org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:467)
> at
> org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683)
> at
> org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:390)
> at
> org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197)
> http://domex.nps.edu/corp/files/govdocs1/148/148902.pdf
> I pasted it into the src/test/resources/pdfparser folder and run a test case
> like this:
> public class TestGovdocs148902 extends TestCase
> {
> public void test148902() throws IOException {
> PDDocument doc = PDDocument.load(
> "src/test/resources/pdfparser/148902.pdf");
> int imageCounter = 0;
> COSDocument cosDoc = doc.getDocument();
> List<COSObject> list = cosDoc.getObjectsByType(COSName.XOBJECT);
>
> for (COSObject cosOb : list) {
> COSBase baseObject = cosOb.getObject();
> if (baseObject != null && baseObject instanceof COSStream) {
> COSStream st = (COSStream)baseObject;
> String subtype = st.getNameAsString(COSName.SUBTYPE);
> if (subtype != null && subtype.equalsIgnoreCase("image")) {
> PDXObjectImage ximage =
> (PDXObjectImage)PDXObject.createXObject( st );
> if (ximage != null && ximage.getWidth() >= 5 &&
> ximage.getHeight() >= 5) {
> ByteArrayOutputStream baos = new
> ByteArrayOutputStream();
> ximage.write2OutputStream(baos);
> byte [] bytes = baos.toByteArray();
> if (bytes.length > 0) {
> imageCounter++;
> }
> }
> }
> }
> }
>
> assertEquals(32, imageCounter);
> }
> }
> The test cases passes in 1.4.
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