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The CairoContext class


The CairoContext class

(No version information available, might only be in Git)

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 {
/* 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 )
public __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 ( CairoFontFace $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 )
}

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