Package org.apache.fop.render.pdf
Class PDFPainter
java.lang.Object
org.apache.fop.render.intermediate.AbstractIFPainter<PDFDocumentHandler>
org.apache.fop.render.pdf.PDFPainter
- All Implemented Interfaces:
IFPainter
IFPainter implementation that produces PDF.
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Nested Class Summary
Nested Classes -
Field Summary
FieldsModifier and TypeFieldDescriptionprivate boolean
private final BorderPainter
protected PDFContentGenerator
The current content generatorprivate final GraphicsPainter
private final PDFPainter.LanguageAvailabilityChecker
private PDFLogicalStructureHandler
private static int[]
Fields inherited from class org.apache.fop.render.intermediate.AbstractIFPainter
INSTREAM_OBJECT_URI, state
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Constructor Summary
ConstructorsConstructorDescriptionPDFPainter
(PDFDocumentHandler documentHandler, PDFLogicalStructureHandler logicalStructureHandler) Default constructor. -
Method Summary
Modifier and TypeMethodDescriptionprivate void
addStructTreeBBox
(Rectangle rect) void
clipBackground
(Rectangle rect, BorderProps bpsBefore, BorderProps bpsAfter, BorderProps bpsStart, BorderProps bpsEnd) Restricts the current clipping region to the inner border.void
Restricts the current clipping region with the given rectangle.protected RenderingContext
Creates a new RenderingContext instance.void
drawBorderRect
(Rectangle rect, BorderProps top, BorderProps bottom, BorderProps left, BorderProps right, Color innerBackgroundColor) Draws a border rectangle.void
Draws an image identified by a URI inside a given rectangle.void
Draws an image (represented by a DOM document) inside a given rectangle.protected void
drawImageUsingURI
(String uri, Rectangle rect) Default drawing method for handling an image referenced by a URI.void
Draws a line.void
Draws text.void
drawText
(int x, int y, int letterSpacing, int wordSpacing, int[][] dp, String text, boolean nextIsSpace) private void
drawTextWithDP
(int x, int y, String text, FontTriplet triplet, int letterSpacing, int wordSpacing, int[][] dp) private void
drawTextWithDX
(int x, int y, String text, FontTriplet triplet, int letterSpacing, int wordSpacing, int[] dx) void
endGroup()
Ends the current group and restores the previous coordinate system (and layer).private void
endSimulateStyle
(Typeface tf, FontTriplet triplet) void
Ends the current viewport and restores the previous coordinate system.void
Fills a rectangular area.private void
protected static String
format
(int value) Formats a integer value (normally coordinates in millipoints) to a String.private Typeface
getTypeface
(String fontName) private double
maybeWordOffsetX
(double wox, int ch, Direction dir) private void
placeImage
(Rectangle rect, PDFXObject xobj) Places a previously registered image at a certain place on the page.private void
placeImageAccess
(Rectangle rect, PDFXObject xobj) Places a previously registered image at a certain place on the page - Accessibility versionprivate void
prepareImageMCID
(PDFStructElem structElem) private int
selectAndMapSingleByteFont
(Typeface tf, String fontName, float fontSize, PDFTextUtil textutil, int ch) void
startGroup
(AffineTransform transform, String layer) Starts a new group of graphical elements.private double
startSimulateStyle
(Typeface tf, FontTriplet triplet) void
startViewport
(AffineTransform transform, Dimension size, Rectangle clipRect) Starts a new viewport, establishing a new coordinate system.Methods inherited from class org.apache.fop.render.intermediate.AbstractIFPainter
createDefaultImageProcessingHints, drawImage, drawImage, drawImageUsingDocument, drawImageUsingImageHandler, drawSVGText, getContext, getDocumentHandler, getFontInfo, getFontKey, getImageInfo, getLineBoundingBox, getUserAgent, hasOnlySolidBorders, isBackgroundRequired, setFont, startGroup, startViewport, toPoints
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Field Details
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generator
The current content generator -
graphicsPainter
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borderPainter
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accessEnabled
private boolean accessEnabled -
imageMCI
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logicalStructureHandler
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languageAvailabilityChecker
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paZero
private static int[] paZero
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Constructor Details
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PDFPainter
public PDFPainter(PDFDocumentHandler documentHandler, PDFLogicalStructureHandler logicalStructureHandler) Default constructor.- Parameters:
documentHandler
- the parent document handlerlogicalStructureHandler
- the logical structure handler
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Method Details
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startViewport
public void startViewport(AffineTransform transform, Dimension size, Rectangle clipRect) throws IFException Starts a new viewport, establishing a new coordinate system. A viewport has a size and can optionally be clipped. Corresponds to SVG's svg element.- Parameters:
transform
- the transformation matrix establishing the new coordinate systemsize
- the size of the viewportclipRect
- the clipping rectangle (may be null)- Throws:
IFException
- if an error occurs while handling this element
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endViewport
Ends the current viewport and restores the previous coordinate system.- Throws:
IFException
- if an error occurs while handling this element
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startGroup
Starts a new group of graphical elements. Corresponds to SVG's g element.- Parameters:
transform
- the transformation matrix establishing the new coordinate systemlayer
- an optional layer label (or null if none)- Throws:
IFException
- if an error occurs while handling this element
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endGroup
Ends the current group and restores the previous coordinate system (and layer).- Throws:
IFException
- if an error occurs while handling this element
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drawImage
Draws an image identified by a URI inside a given rectangle. This is the equivalent to an fo:external-graphic in XSL-FO.- Parameters:
uri
- the image's URIrect
- the rectangle in which the image shall be painted- Throws:
IFException
- if an error occurs while handling this event
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addStructTreeBBox
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drawImageUsingURI
Description copied from class:AbstractIFPainter
Default drawing method for handling an image referenced by a URI.- Overrides:
drawImageUsingURI
in classAbstractIFPainter<PDFDocumentHandler>
- Parameters:
uri
- the image's URIrect
- the rectangle in which to paint the image
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prepareImageMCID
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createRenderingContext
Creates a new RenderingContext instance.- Specified by:
createRenderingContext
in classAbstractIFPainter<PDFDocumentHandler>
- Returns:
- the new rendering context.
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placeImage
Places a previously registered image at a certain place on the page.- Parameters:
rect
- the rectangle for the imagexobj
- the image XObject
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placeImageAccess
Places a previously registered image at a certain place on the page - Accessibility version- Parameters:
rect
- the rectangle for the imagexobj
- the image XObject
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drawImage
Draws an image (represented by a DOM document) inside a given rectangle. This is the equivalent to an fo:instream-foreign-object in XSL-FO.- Parameters:
doc
- the DOM document containing the foreign objectrect
- the rectangle in which the image shall be painted- Throws:
IFException
- if an error occurs while handling this event
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flushPDFDoc
- Throws:
IFException
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format
Formats a integer value (normally coordinates in millipoints) to a String.- Parameters:
value
- the value (in millipoints)- Returns:
- the formatted value
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clipRect
Restricts the current clipping region with the given rectangle.- Parameters:
rect
- the rectangle's coordinates and extent- Throws:
IFException
- if an error occurs while handling this event
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clipBackground
public void clipBackground(Rectangle rect, BorderProps bpsBefore, BorderProps bpsAfter, BorderProps bpsStart, BorderProps bpsEnd) throws IFException Restricts the current clipping region to the inner border.- Parameters:
rect
- the rectangle's coordinates and extentbpsBefore
- the border segment on the before-side (top)bpsAfter
- the border segment on the after-side (bottom)bpsStart
- the border segment on the start-side (left)bpsEnd
- the border segment on the end-side (right)- Throws:
IFException
- if an error occurs while handling this event
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fillRect
Fills a rectangular area.- Parameters:
rect
- the rectangle's coordinates and extentfill
- the fill paint- Throws:
IFException
- if an error occurs while handling this event
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drawBorderRect
public void drawBorderRect(Rectangle rect, BorderProps top, BorderProps bottom, BorderProps left, BorderProps right, Color innerBackgroundColor) throws IFException Draws a border rectangle. The border segments are specified throughBorderProps
instances.- Specified by:
drawBorderRect
in interfaceIFPainter
- Overrides:
drawBorderRect
in classAbstractIFPainter<PDFDocumentHandler>
- Parameters:
rect
- the rectangle's coordinates and extenttop
- the border segment on the top edgebottom
- the border segment on the bottom edgeleft
- the border segment on the left edgeright
- the border segment on the right edgeinnerBackgroundColor
- the color of the inner background- Throws:
IFException
- if an error occurs while handling this event
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drawLine
public void drawLine(Point start, Point end, int width, Color color, RuleStyle style) throws IFException Draws a line. NOTE: Currently, only horizontal lines are implemented!- Specified by:
drawLine
in interfaceIFPainter
- Overrides:
drawLine
in classAbstractIFPainter<PDFDocumentHandler>
- Parameters:
start
- the start point of the lineend
- the end point of the linewidth
- the line widthcolor
- the line colorstyle
- the line style (using the Constants.EN_* constants for the rule-style property)- Throws:
IFException
- if an error occurs while handling this event
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getTypeface
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drawText
public void drawText(int x, int y, int letterSpacing, int wordSpacing, int[][] dp, String text) throws IFException Draws text. The initial coordinates (x and y) point to the starting point at the normal baseline of the font. The parameters letterSpacing, wordSpacing and the array dx are optional and can be used to influence character positioning (for example, for kerning).- Parameters:
x
- X-coordinate of the starting point of the texty
- Y-coordinate of the starting point of the textletterSpacing
- additional spacing between characters (may be 0)wordSpacing
- additional spacing between words (may be 0)dp
- an array of 4-tuples, expressing [X,Y] placment adjustments and [X,Y] advancement adjustments, in that order (may be null); if not null, then adjustments.length must be the same as text.length()text
- the text- Throws:
IFException
- if an error occurs while handling this event
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drawText
public void drawText(int x, int y, int letterSpacing, int wordSpacing, int[][] dp, String text, boolean nextIsSpace) throws IFException - Specified by:
drawText
in interfaceIFPainter
- Overrides:
drawText
in classAbstractIFPainter<PDFDocumentHandler>
- Throws:
IFException
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drawTextWithDX
private void drawTextWithDX(int x, int y, String text, FontTriplet triplet, int letterSpacing, int wordSpacing, int[] dx) throws IFException - Throws:
IFException
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startSimulateStyle
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endSimulateStyle
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drawTextWithDP
private void drawTextWithDP(int x, int y, String text, FontTriplet triplet, int letterSpacing, int wordSpacing, int[][] dp) -
maybeWordOffsetX
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selectAndMapSingleByteFont
private int selectAndMapSingleByteFont(Typeface tf, String fontName, float fontSize, PDFTextUtil textutil, int ch)
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