Package org.apache.fop.render.pcl
Class PCLPainter
- java.lang.Object
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- org.apache.fop.render.intermediate.AbstractIFPainter<PCLDocumentHandler>
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- org.apache.fop.render.pcl.PCLPainter
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- All Implemented Interfaces:
IFPainter
,PCLConstants
public class PCLPainter extends AbstractIFPainter<PCLDocumentHandler> implements PCLConstants
IFPainter
implementation that produces PCL 5.
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Field Summary
Fields Modifier and Type Field Description private PCLPageDefinition
currentPageDefinition
private int
currentPrintDirection
private static boolean
DEBUG
private PCLGenerator
gen
The PCL generatorprivate org.apache.xmlgraphics.java2d.GraphicContext
graphicContext
private java.util.Stack<org.apache.xmlgraphics.java2d.GraphicContext>
graphicContextStack
private static double
SAFETY_MARGIN_FACTOR
private PCLSoftFontManager
sfManager
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Fields inherited from class org.apache.fop.render.intermediate.AbstractIFPainter
INSTREAM_OBJECT_URI, state
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Fields inherited from interface org.apache.fop.render.pcl.PCLConstants
COLOR_CANVAS, DISABLE_CLIPPING, SRC_TRANSPARENCY
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Constructor Summary
Constructors Constructor Description PCLPainter(PCLDocumentHandler parent, PCLPageDefinition pageDefinition)
Main constructor.
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description private void
changePrintDirection()
void
clipBackground(java.awt.Rectangle rect, BorderProps bpsBefore, BorderProps bpsAfter, BorderProps bpsStart, BorderProps bpsEnd)
Restricts the current clipping region to the inner border.void
clipRect(java.awt.Rectangle rect)
Restricts the current clipping region with the given rectangle.private void
concatenateTransformationMatrix(java.awt.geom.AffineTransform transform)
protected RenderingContext
createRenderingContext()
Creates a new RenderingContext instance.void
drawBorderRect(java.awt.Rectangle rect, BorderProps top, BorderProps bottom, BorderProps left, BorderProps right)
void
drawImage(java.lang.String uri, java.awt.Rectangle rect)
Draws an image identified by a URI inside a given rectangle.void
drawImage(org.w3c.dom.Document doc, java.awt.Rectangle rect)
Draws an image (represented by a DOM document) inside a given rectangle.void
drawLine(java.awt.Point start, java.awt.Point end, int width, java.awt.Color color, RuleStyle style)
Draws a line.void
drawText(int x, int y, int letterSpacing, int wordSpacing, int[][] dp, java.lang.String text)
Draws text.private void
drawTextAsBitmap(int x, int y, int letterSpacing, int wordSpacing, int[][] dp, java.lang.String text, FontTriplet triplet)
private void
drawTextNative(int x, int y, int letterSpacing, int wordSpacing, int[][] dp, java.lang.String text, FontTriplet triplet)
private void
drawTextUsingSoftFont(int x, int y, int letterSpacing, int wordSpacing, int[][] dp, java.lang.String text, FontTriplet triplet, PCLSoftFont softFont)
void
endGroup()
Ends the current group and restores the previous coordinate system (and layer).void
endViewport()
Ends the current viewport and restores the previous coordinate system.void
fillRect(java.awt.Rectangle rect, java.awt.Paint fill)
Fills a rectangular area.(package private) PCLRenderingUtil
getPCLUtil()
protected int
getResolution()
private java.awt.Rectangle
getTextBoundingBox(int x, int y, int letterSpacing, int wordSpacing, int[][] dp, java.lang.String text, Font font, FontMetricsMapper metrics)
private Typeface
getTypeface(java.lang.String fontName)
private boolean
isSpeedOptimized()
private boolean
isTrueType(Typeface tf)
private void
paintMarksAsBitmap(org.apache.xmlgraphics.java2d.Graphics2DImagePainter painter, java.awt.Rectangle boundingBox)
private void
restoreGraphicsState()
Restores the last graphics state from the stack.private void
saveGraphicsState()
Saves the current graphics state on the stack.(package private) void
setCursorPos(int x, int y)
Sets the current cursor position.void
startGroup(java.awt.geom.AffineTransform transform, java.lang.String layer)
Starts a new group of graphical elements.void
startViewport(java.awt.geom.AffineTransform transform, java.awt.Dimension size, java.awt.Rectangle clipRect)
Starts a new viewport, establishing a new coordinate system.private java.awt.geom.Point2D
transformedPoint(int x, int y)
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Methods inherited from class org.apache.fop.render.intermediate.AbstractIFPainter
createDefaultImageProcessingHints, drawBorderRect, drawImage, drawImage, drawImageUsingDocument, drawImageUsingImageHandler, drawImageUsingURI, drawSVGText, drawText, getContext, getDocumentHandler, getFontInfo, getFontKey, getImageInfo, getLineBoundingBox, getUserAgent, hasOnlySolidBorders, isBackgroundRequired, setFont, startGroup, startViewport, toPoints
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Field Detail
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DEBUG
private static final boolean DEBUG
- See Also:
- Constant Field Values
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gen
private PCLGenerator gen
The PCL generator
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currentPageDefinition
private PCLPageDefinition currentPageDefinition
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currentPrintDirection
private int currentPrintDirection
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graphicContextStack
private java.util.Stack<org.apache.xmlgraphics.java2d.GraphicContext> graphicContextStack
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graphicContext
private org.apache.xmlgraphics.java2d.GraphicContext graphicContext
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sfManager
private PCLSoftFontManager sfManager
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SAFETY_MARGIN_FACTOR
private static final double SAFETY_MARGIN_FACTOR
- See Also:
- Constant Field Values
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Constructor Detail
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PCLPainter
public PCLPainter(PCLDocumentHandler parent, PCLPageDefinition pageDefinition)
Main constructor.- Parameters:
parent
- the parent document handlerpageDefinition
- the page definition describing the page to be rendered
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Method Detail
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getPCLUtil
PCLRenderingUtil getPCLUtil()
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getResolution
protected int getResolution()
- Returns:
- the target resolution
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isSpeedOptimized
private boolean isSpeedOptimized()
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startViewport
public void startViewport(java.awt.geom.AffineTransform transform, java.awt.Dimension size, java.awt.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.- Specified by:
startViewport
in interfaceIFPainter
- 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
public void endViewport() throws IFException
Ends the current viewport and restores the previous coordinate system.- Specified by:
endViewport
in interfaceIFPainter
- Throws:
IFException
- if an error occurs while handling this element
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startGroup
public void startGroup(java.awt.geom.AffineTransform transform, java.lang.String layer) throws IFException
Starts a new group of graphical elements. Corresponds to SVG's g element.- Specified by:
startGroup
in interfaceIFPainter
- 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
public void endGroup() throws IFException
Ends the current group and restores the previous coordinate system (and layer).- Specified by:
endGroup
in interfaceIFPainter
- Throws:
IFException
- if an error occurs while handling this element
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drawImage
public void drawImage(java.lang.String uri, java.awt.Rectangle rect) throws IFException
Draws an image identified by a URI inside a given rectangle. This is the equivalent to an fo:external-graphic in XSL-FO.- Specified by:
drawImage
in interfaceIFPainter
- 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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createRenderingContext
protected RenderingContext createRenderingContext()
Creates a new RenderingContext instance.- Specified by:
createRenderingContext
in classAbstractIFPainter<PCLDocumentHandler>
- Returns:
- the new rendering context.
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drawImage
public void drawImage(org.w3c.dom.Document doc, java.awt.Rectangle rect) throws IFException
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.- Specified by:
drawImage
in interfaceIFPainter
- 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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clipRect
public void clipRect(java.awt.Rectangle rect) throws IFException
Restricts the current clipping region with the given rectangle.- Specified by:
clipRect
in interfaceIFPainter
- 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(java.awt.Rectangle rect, BorderProps bpsBefore, BorderProps bpsAfter, BorderProps bpsStart, BorderProps bpsEnd) throws IFException
Restricts the current clipping region to the inner border.- Specified by:
clipBackground
in interfaceIFPainter
- 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
public void fillRect(java.awt.Rectangle rect, java.awt.Paint fill) throws IFException
Fills a rectangular area.- Specified by:
fillRect
in interfaceIFPainter
- 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(java.awt.Rectangle rect, BorderProps top, BorderProps bottom, BorderProps left, BorderProps right) throws IFException
- Throws:
IFException
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drawLine
public void drawLine(java.awt.Point start, java.awt.Point end, int width, java.awt.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<PCLDocumentHandler>
- 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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paintMarksAsBitmap
private void paintMarksAsBitmap(org.apache.xmlgraphics.java2d.Graphics2DImagePainter painter, java.awt.Rectangle boundingBox) throws IFException
- Throws:
IFException
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drawText
public void drawText(int x, int y, int letterSpacing, int wordSpacing, int[][] dp, java.lang.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).- Specified by:
drawText
in interfaceIFPainter
- 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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isTrueType
private boolean isTrueType(Typeface tf)
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getTypeface
private Typeface getTypeface(java.lang.String fontName)
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drawTextNative
private void drawTextNative(int x, int y, int letterSpacing, int wordSpacing, int[][] dp, java.lang.String text, FontTriplet triplet) throws java.io.IOException
- Throws:
java.io.IOException
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drawTextUsingSoftFont
private void drawTextUsingSoftFont(int x, int y, int letterSpacing, int wordSpacing, int[][] dp, java.lang.String text, FontTriplet triplet, PCLSoftFont softFont) throws java.io.IOException
- Throws:
java.io.IOException
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getTextBoundingBox
private java.awt.Rectangle getTextBoundingBox(int x, int y, int letterSpacing, int wordSpacing, int[][] dp, java.lang.String text, Font font, FontMetricsMapper metrics)
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drawTextAsBitmap
private void drawTextAsBitmap(int x, int y, int letterSpacing, int wordSpacing, int[][] dp, java.lang.String text, FontTriplet triplet) throws IFException
- Throws:
IFException
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saveGraphicsState
private void saveGraphicsState()
Saves the current graphics state on the stack.
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restoreGraphicsState
private void restoreGraphicsState()
Restores the last graphics state from the stack.
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concatenateTransformationMatrix
private void concatenateTransformationMatrix(java.awt.geom.AffineTransform transform) throws java.io.IOException
- Throws:
java.io.IOException
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transformedPoint
private java.awt.geom.Point2D transformedPoint(int x, int y)
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changePrintDirection
private void changePrintDirection() throws java.io.IOException
- Throws:
java.io.IOException
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setCursorPos
void setCursorPos(int x, int y) throws java.io.IOException
Sets the current cursor position. The coordinates are transformed to the absolute position on the logical PCL page and then passed on to the PCLGenerator.- Parameters:
x
- the x coordinate (in millipoints)y
- the y coordinate (in millipoints)- Throws:
java.io.IOException
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