Problem converting pdf page w/ fully embedded TTF font, Identity-H (CID)
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Key: PDFBOX-739
URL: https://issues.apache.org/jira/browse/PDFBOX-739
Project: PDFBox
Issue Type: Bug
Components: PDModel
Affects Versions: 1.2.0
Environment: all
Reporter: Armando Singer
I'm running into an issue when trying to convert a pdf page to an image.
Conditions:
- Pdf file with TrueType font fully embedded
- Encoding: Identity-H (CID)
Although the FontFile2 stream is present, I get (I added extra info logging):
Jun 1, 2010 12:44:38 PM org.apache.pdfbox.pdmodel.font.PDFontFactory createFont
INFO: subType: COSName{Type0}
Jun 1, 2010 12:44:38 PM org.apache.pdfbox.pdmodel.font.PDFontFactory createFont
INFO: subType: COSName{CIDFontType2}
Jun 1, 2010 12:44:39 PM org.apache.pdfbox.pdmodel.font.PDType1Font getawtFont
INFO: Can't find the specified basefont DroidSansFallback
java.lang.Throwable
at
org.apache.pdfbox.pdmodel.font.PDType1Font.getawtFont(PDType1Font.java:234)
at
org.apache.pdfbox.pdmodel.font.PDSimpleFont.drawString(PDSimpleFont.java:97)
at
org.apache.pdfbox.pdmodel.font.PDType0Font.drawString(PDType0Font.java:68)
at
org.apache.pdfbox.pdfviewer.PageDrawer.processTextPosition(PageDrawer.java:190)
at
org.apache.pdfbox.util.PDFStreamEngine.processEncodedText(PDFStreamEngine.java:498)
at org.apache.pdfbox.util.operator.ShowText.process(ShowText.java:45)
at
org.apache.pdfbox.util.PDFStreamEngine.processOperator(PDFStreamEngine.java:556)
at
org.apache.pdfbox.util.PDFStreamEngine.processSubStream(PDFStreamEngine.java:250)
at
org.apache.pdfbox.util.PDFStreamEngine.processStream(PDFStreamEngine.java:208)
at org.apache.pdfbox.pdfviewer.PageDrawer.drawPage(PageDrawer.java:111)
at org.apache.pdfbox.pdmodel.PDPage.convertToImage(PDPage.java:718)
at
org.apache.pdfbox.util.PDFImageWriter.writeImage(PDFImageWriter.java:137)
at org.apache.pdfbox.PDFToImage.main(PDFToImage.java:204)
INFO: Using font ArialMT instead
test with:
java -jar pdfbox-app-1.2.0-SNAPSHOT.jar PDFToImage -imageType png -startPage 1
-endPage 1 -color rgba -resolution 108 hello-DroidSans-Identity-H.pdf
Attached is a sample pdf with one of the droid fonts fully embedded in the
above manner (free, Apache 2 license):
http://android.git.kernel.org/?p=platform/frameworks/base.git;a=tree;f=data/fonts;hb=HEAD
(The attached file has DroidSans instead of DroidSansFallback as in the log to
keep the file size down, but it has the same result)
(I was able to hack fix by changing PDType0 to extends PDTrueTypeFont, but that
seems like a terrible hack).
Below are the relevant parts of the pdf that cause the getawtFont issue:
1 0 obj
<</DescendantFonts[7 0 R]
/BaseFont/DroidSans/Type/Font/Encoding/Identity-H/Subtype/Type0/ToUnicode 8 0
R>>
endobj
4 0 obj
<</Parent 3 0 R/Contents 2 0 R/Type/Page/Resources<</ProcSet [/PDF /Text
/ImageB /ImageC /ImageI]
/Font<</F1 1 0 R>>
/MediaBox[0 0 328.5 449.28]>>
endobj
5 0 obj
<</Length1 190044/Length 190044>>stream
--snip TTF stream--
endstream
6 0 obj
<</FontBBox[-558 -270 1168 1047]/CapHeight 713/Type/FontDescriptor/FontFile2 5
0 R/StemV 80/Descent -240/Flags 32/FontName/DroidSans/Ascent 765/ItalicAngle 0>>
endobj
7 0 obj
<</BaseFont/DroidSans/CIDSystemInfo<</Ordering(Identity)/Registry(Adobe)/Supplement
0>>/W [3[259 269]43[701]58[883]71[585
535]79[258]82[577]85[398]]/Type/Font/Subtype/CIDFontType2/FontDescriptor 6 0
R/DW 1000/CIDToGIDMap/Identity>>
endobj
8 0 obj
<</Length 485>>stream
/CIDInit /ProcSet findresource begin
12 dict begin
begincmap
/CIDSystemInfo
<< /Registry (TTX+0)
/Ordering (T42UV)
/Supplement 0
def
/CMapName /TTX+0 def
/CMapType 2 def
1 begincodespacerange
<0000><FFFF>
endcodespacerange
9 beginbfrange
<0003><0003><0020>
<0004><0004><0021>
<002b><002b><0048>
<003a><003a><0057>
<0047><0047><0064>
<0048><0048><0065>
<004f><004f><006c>
<0052><0052><006f>
<0055><0055><0072>
endbfrange
endcmap
CMapName currentdict /CMap defineresource pop
end end
endstream
endobj
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