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The CairoContext class

Introduction

Context is the main object used when drawing with cairo. To draw with cairo, you create a CairoContext, set the target CairoSurface, and drawing options for the CairoContext, create shapes with functions . like CairoContext::moveTo and CairoContext::lineTo, and then draw shapes with CairoContext::stroke or CairoContext::fill. Contexts can be pushed to a stack via CairoContext::save. They may then safely be changed, without loosing the current state. Use CairoContext::restore to restore to the saved state.

Class synopsis

CairoContext

CairoContext {

/* Methods */

public void appendPath ( CairoPath $path )

public void arc ( float $x , float $y , float $radius , float $angle1 , float $angle2 )

public void arcNegative ( float $x , float $y , float $radius , float $angle1 , float $angle2 )

public void clip ( void )

public array clipExtents ( void )

public void clipPreserve ( void )

public array clipRectangleList ( void )

public void closePath ( void )

__construct ( CairoSurface $surface )

public void copyPage ( void )

public CairoPath copyPath ( void )

public CairoPath copyPathFlat ( void )

public void curveTo ( float $x1 , float $y1 , float $x2 , float $y2 , float $x3 , float $y3 )

public array deviceToUser ( float $x , float $y )

public array deviceToUserDistance ( float $x , float $y )

public void fill ( void )

public array fillExtents ( void )

public void fillPreserve ( void )

public array fontExtents ( void )

public int getAntialias ( void )

public array getCurrentPoint ( void )

public array getDash ( void )

public int getDashCount ( void )

public int getFillRule ( void )

public void getFontFace ( void )

public void getFontMatrix ( void )

public void getFontOptions ( void )

public void getGroupTarget ( void )

public int getLineCap ( void )

public int getLineJoin ( void )

public float getLineWidth ( void )

public void getMatrix ( void )

public float getMiterLimit ( void )

public int getOperator ( void )

public void getScaledFont ( void )

public void getSource ( void )

public void getTarget ( void )

public float getTolerance ( void )

public void glyphPath ( array $glyphs )

public bool hasCurrentPoint ( void )

public void identityMatrix ( void )

public bool inFill ( string $x , string $y )

public bool inStroke ( string $x , string $y )

public void lineTo ( string $x , string $y )

public void mask ( string $pattern )

public void maskSurface ( string $surface [, string $x [, string $y ]] )

public void moveTo ( string $x , string $y )

public void newPath ( void )

public void newSubPath ( void )

public void paint ( void )

public void paintWithAlpha ( string $alpha )

public array pathExtents ( void )

public void popGroup ( void )

public void popGroupToSource ( void )

public void pushGroup ( void )

public void pushGroupWithContent ( string $content )

public void rectangle ( string $x , string $y , string $width , string $height )

public void relCurveTo ( string $x1 , string $y1 , string $x2 , string $y2 , string $x3 , string $y3 )

public void relLineTo ( string $x , string $y )

public void relMoveTo ( string $x , string $y )

public void resetClip ( void )

public void restore ( void )

public void rotate ( string $angle )

public void save ( void )

public void scale ( string $x , string $y )

public void selectFontFace ( string $family [, string $slant [, string $weight ]] )

public void setAntialias ([ string $antialias ] )

public void setDash ( string $dashes [, string $offset ] )

public void setFillRule ( string $setting )

public void setFontFace ( string $fontface )

public void setFontMatrix ( string $matrix )

public void setFontOptions ( string $fontoptions )

public void setFontSize ( string $size )

public void setLineCap ( string $setting )

public void setLineJoin ( string $setting )

public void setLineWidth ( string $width )

public void setMatrix ( string $matrix )

public void setMiterLimit ( string $limit )

public void setOperator ( string $setting )

public void setScaledFont ( string $scaledfont )

public void setSource ( string $pattern )

public void setSourceRGB ( string $red , string $green , string $blue )

public void setSourceRGBA ( string $red , string $green , string $blue , string $alpha )

public void setSourceSurface ( string $surface [, string $x [, string $y ]] )

public void setTolerance ( string $tolerance )

public void showPage ( void )

public void showText ( string $text )

public int status ( void )

public void stroke ( void )

public array strokeExtents ( void )

public void strokePreserve ( void )

public array textExtents ( string $text )

public void textPath ( string $string )

public void transform ( string $matrix )

public void translate ( string $x , string $y )

public array userToDevice ( string $x , string $y )

public array userToDeviceDistance ( string $x , string $y )

}

CairoContext::appendPath — Appends a path to current path
CairoContext::arc — Adds a circular arc
CairoContext::arcNegative — Adds a negative arc
CairoContext::clip — Establishes a new clip region
CairoContext::clipExtents — Computes the area inside the current clip
CairoContext::clipPreserve — Establishes a new clip region from the current clip
CairoContext::clipRectangleList — Retrieves the current clip as a list of rectangles
CairoContext::closePath — Closes the current path
CairoContext::__construct — Creates a new CairoContext
CairoContext::copyPage — Emits the current page
CairoContext::copyPath — Creates a copy of the current path
CairoContext::copyPathFlat — Gets a flattened copy of the current path
CairoContext::curveTo — Adds a curve
CairoContext::deviceToUser — Transform a coordinate
CairoContext::deviceToUserDistance — Transform a distance
CairoContext::fill — Fills the current path
CairoContext::fillExtents — Computes the filled area
CairoContext::fillPreserve — Fills and preserve the current path
CairoContext::fontExtents — Get the font extents
CairoContext::getAntialias — Retrives the current antialias mode
CairoContext::getCurrentPoint — The getCurrentPoint purpose
CairoContext::getDash — The getDash purpose
CairoContext::getDashCount — The getDashCount purpose
CairoContext::getFillRule — The getFillRule purpose
CairoContext::getFontFace — The getFontFace purpose
CairoContext::getFontMatrix — The getFontMatrix purpose
CairoContext::getFontOptions — The getFontOptions purpose
CairoContext::getGroupTarget — The getGroupTarget purpose
CairoContext::getLineCap — The getLineCap purpose
CairoContext::getLineJoin — The getLineJoin purpose
CairoContext::getLineWidth — The getLineWidth purpose
CairoContext::getMatrix — The getMatrix purpose
CairoContext::getMiterLimit — The getMiterLimit purpose
CairoContext::getOperator — The getOperator purpose
CairoContext::getScaledFont — The getScaledFont purpose
CairoContext::getSource — The getSource purpose
CairoContext::getTarget — The getTarget purpose
CairoContext::getTolerance — The getTolerance purpose
CairoContext::glyphPath — The glyphPath purpose
CairoContext::hasCurrentPoint — The hasCurrentPoint purpose
CairoContext::identityMatrix — The identityMatrix purpose
CairoContext::inFill — The inFill purpose
CairoContext::inStroke — The inStroke purpose
CairoContext::lineTo — The lineTo purpose
CairoContext::mask — The mask purpose
CairoContext::maskSurface — The maskSurface purpose
CairoContext::moveTo — The moveTo purpose
CairoContext::newPath — The newPath purpose
CairoContext::newSubPath — The newSubPath purpose
CairoContext::paint — The paint purpose
CairoContext::paintWithAlpha — The paintWithAlpha purpose
CairoContext::pathExtents — The pathExtents purpose
CairoContext::popGroup — The popGroup purpose
CairoContext::popGroupToSource — The popGroupToSource purpose
CairoContext::pushGroup — The pushGroup purpose
CairoContext::pushGroupWithContent — The pushGroupWithContent purpose
CairoContext::rectangle — The rectangle purpose
CairoContext::relCurveTo — The relCurveTo purpose
CairoContext::relLineTo — The relLineTo purpose
CairoContext::relMoveTo — The relMoveTo purpose
CairoContext::resetClip — The resetClip purpose
CairoContext::restore — The restore purpose
CairoContext::rotate — The rotate purpose
CairoContext::save — The save purpose
CairoContext::scale — The scale purpose
CairoContext::selectFontFace — The selectFontFace purpose
CairoContext::setAntialias — The setAntialias purpose
CairoContext::setDash — The setDash purpose
CairoContext::setFillRule — The setFillRule purpose
CairoContext::setFontFace — The setFontFace purpose
CairoContext::setFontMatrix — The setFontMatrix purpose
CairoContext::setFontOptions — The setFontOptions purpose
CairoContext::setFontSize — The setFontSize purpose
CairoContext::setLineCap — The setLineCap purpose
CairoContext::setLineJoin — The setLineJoin purpose
CairoContext::setLineWidth — The setLineWidth purpose
CairoContext::setMatrix — The setMatrix purpose
CairoContext::setMiterLimit — The setMiterLimit purpose
CairoContext::setOperator — The setOperator purpose
CairoContext::setScaledFont — The setScaledFont purpose
CairoContext::setSource — The setSource purpose
CairoContext::setSourceRGB — The setSourceRGB purpose
CairoContext::setSourceRGBA — The setSourceRGBA purpose
CairoContext::setSourceSurface — The setSourceSurface purpose
CairoContext::setTolerance — The setTolerance purpose
CairoContext::showPage — The showPage purpose
CairoContext::showText — The showText purpose
CairoContext::status — The status purpose
CairoContext::stroke — The stroke purpose
CairoContext::strokeExtents — The strokeExtents purpose
CairoContext::strokePreserve — The strokePreserve purpose
CairoContext::textExtents — The textExtents purpose
CairoContext::textPath — The textPath purpose
CairoContext::transform — The transform purpose
CairoContext::translate — The translate purpose
CairoContext::userToDevice — The userToDevice purpose
CairoContext::userToDeviceDistance — The userToDeviceDistance purpose

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You Are At: The CairoContext class

The CairoContext class

Introduction

Class synopsis

Table of Contents