Package org.apache.pdfbox.tools
Class ExtractImages
- java.lang.Object
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- org.apache.pdfbox.tools.ExtractImages
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public final class ExtractImages extends java.lang.Object
Extracts the images from a PDF file.
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Nested Class Summary
Nested Classes Modifier and Type Class Description private class
ExtractImages.ImageGraphicsEngine
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Field Summary
Fields Modifier and Type Field Description private static java.lang.String
DIRECTJPEG
private java.lang.String
filePrefix
private int
imageCounter
private static java.util.List<java.lang.String>
JPEG
private static java.lang.String
PASSWORD
private static java.lang.String
PREFIX
private java.util.Set<COSStream>
seen
private boolean
useDirectJPEG
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Constructor Summary
Constructors Modifier Constructor Description private
ExtractImages()
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Method Summary
All Methods Static Methods Instance Methods Concrete Methods Modifier and Type Method Description private void
extract(java.lang.String pdfFile, java.lang.String password)
private boolean
hasMasks(PDImage pdImage)
static void
main(java.lang.String[] args)
Entry point for the application.private void
run(java.lang.String[] args)
private static void
usage()
Print the usage requirements and exit.private void
write2file(PDImage pdImage, java.lang.String prefix, boolean directJPEG)
Writes the image to a file with the filename prefix + an appropriate suffix, like "Image.jpg".
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Field Detail
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PASSWORD
private static final java.lang.String PASSWORD
- See Also:
- Constant Field Values
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PREFIX
private static final java.lang.String PREFIX
- See Also:
- Constant Field Values
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DIRECTJPEG
private static final java.lang.String DIRECTJPEG
- See Also:
- Constant Field Values
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JPEG
private static final java.util.List<java.lang.String> JPEG
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useDirectJPEG
private boolean useDirectJPEG
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filePrefix
private java.lang.String filePrefix
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seen
private final java.util.Set<COSStream> seen
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imageCounter
private int imageCounter
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Method Detail
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main
public static void main(java.lang.String[] args) throws java.io.IOException
Entry point for the application.- Parameters:
args
- The command-line arguments.- Throws:
java.io.IOException
- if there is an error reading the file or extracting the images.
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run
private void run(java.lang.String[] args) throws java.io.IOException
- Throws:
java.io.IOException
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usage
private static void usage()
Print the usage requirements and exit.
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extract
private void extract(java.lang.String pdfFile, java.lang.String password) throws java.io.IOException
- Throws:
java.io.IOException
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write2file
private void write2file(PDImage pdImage, java.lang.String prefix, boolean directJPEG) throws java.io.IOException
Writes the image to a file with the filename prefix + an appropriate suffix, like "Image.jpg". The suffix is automatically set depending on the image compression in the PDF.- Parameters:
pdImage
- the image.prefix
- the filename prefix.directJPEG
- if true, force saving JPEG/JPX streams as they are in the PDF file.- Throws:
java.io.IOException
- When something is wrong with the corresponding file.
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hasMasks
private boolean hasMasks(PDImage pdImage) throws java.io.IOException
- Throws:
java.io.IOException
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