Package org.apache.fop.pdf
Class PDFColorHandler
java.lang.Object
org.apache.fop.pdf.PDFColorHandler
This class handles the registration of color spaces and the generation of PDF code to select
the right colors given a
Color
instance.-
Field Summary
FieldsModifier and TypeFieldDescriptionprivate Map<String,
PDFCIELabColorSpace> private org.apache.commons.logging.Log
private PDFResourceContext
private PDFResources
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Constructor Summary
ConstructorsConstructorDescriptionPDFColorHandler
(PDFResources resources, PDFResourceContext resourceContext) Create a new instance for the givenPDFResources
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Method Summary
Modifier and TypeMethodDescriptionvoid
establishColor
(StringBuffer codeBuffer, Color color, boolean fill, boolean alpha) Generates code to select the given color and handles the registration of color spaces in PDF where necessary.private void
establishColor
(StringBuffer codeBuffer, PDFColorSpace pdfcs, Color color, boolean fill) private boolean
establishColorFromColor
(StringBuffer codeBuffer, Color color, boolean fill) private void
establishDeviceCMYK
(StringBuffer codeBuffer, Color color, boolean fill) private void
establishDeviceRGB
(StringBuffer codeBuffer, Color color, boolean fill, boolean alpha) private PDFCIELabColorSpace
getCIELabColorSpace
(org.apache.xmlgraphics.java2d.color.CIELabColorSpace labCS) private PDFDocument
private PDFICCBasedColorSpace
private PDFSeparationColorSpace
getSeparationColorSpace
(org.apache.xmlgraphics.java2d.color.NamedColorSpace cs) private void
selectColorSpace
(StringBuffer codeBuffer, PDFColorSpace pdfcs, boolean fill) private void
writeAlpha
(Color color, StringBuffer codeBuffer) private void
writeColor
(StringBuffer codeBuffer, float[] comps, int componentCount, String command) private void
writeColor
(StringBuffer codeBuffer, Color color, int componentCount, String command)
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Field Details
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log
private org.apache.commons.logging.Log log -
resources
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resourceContext
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cieLabColorSpaces
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Constructor Details
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PDFColorHandler
Create a new instance for the givenPDFResources
- Parameters:
resources
- the PDF resources
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Method Details
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getDocument
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establishColor
Generates code to select the given color and handles the registration of color spaces in PDF where necessary.- Parameters:
codeBuffer
- the target buffer to receive the color selection codecolor
- the colorfill
- true for fill color, false for stroke color
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establishColorFromColor
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getICCBasedColorSpace
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getSeparationColorSpace
private PDFSeparationColorSpace getSeparationColorSpace(org.apache.xmlgraphics.java2d.color.NamedColorSpace cs) -
getCIELabColorSpace
private PDFCIELabColorSpace getCIELabColorSpace(org.apache.xmlgraphics.java2d.color.CIELabColorSpace labCS) -
establishColor
private void establishColor(StringBuffer codeBuffer, PDFColorSpace pdfcs, Color color, boolean fill) -
selectColorSpace
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establishDeviceRGB
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writeAlpha
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establishDeviceCMYK
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writeColor
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writeColor
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