com.gargoylesoftware.htmlunit.javascript.host.canvas

Class CanvasRenderingContext2D

java.lang.Object

net.sourceforge.htmlunit.corejs.javascript.ScriptableObject

com.gargoylesoftware.htmlunit.javascript.SimpleScriptable

com.gargoylesoftware.htmlunit.javascript.host.canvas.CanvasRenderingContext2D

All Implemented Interfaces:

Serializable, Cloneable, net.sourceforge.htmlunit.corejs.javascript.ConstProperties, net.sourceforge.htmlunit.corejs.javascript.debug.DebuggableObject, net.sourceforge.htmlunit.corejs.javascript.Scriptable

public class CanvasRenderingContext2D
extends SimpleScriptable

A JavaScript object for a CanvasRenderingContext2D.

Version:

$Revision: 6204 $

Author:

Ahmed Ashour

See Also:

Serialized Form

Field Summary

Fields inherited from class net.sourceforge.htmlunit.corejs.javascript.ScriptableObject

CONST, DONTENUM, EMPTY, PERMANENT, READONLY, UNINITIALIZED_CONST

Fields inherited from interface net.sourceforge.htmlunit.corejs.javascript.Scriptable

NOT_FOUND

Constructor Summary

Constructors

Constructor and Description
CanvasRenderingContext2D()

Method Summary

Methods

Modifier and Type	Method and Description
void	jsxFunction_arc(double x, double y, double radius, double startAngle, double endAngle, boolean anticlockwise) Draws an arc.
void	jsxFunction_arcTo(double x1, double y1, double x2, double y2, double radius) Draws an arc.
void	jsxFunction_beginPath() Begins the subpaths.
void	jsxFunction_bezierCurveTo(double cp1x, double cp1y, double cp2x, double cp2y, double x, double y) Draws a cubic Bézier curve.
void	jsxFunction_clearRect(double x, double y, double w, double h) Clears the specified rectangular area.
void	jsxFunction_clip() Creates a new clipping region.
void	jsxFunction_closePath() Closes the subpaths.
void	jsxFunction_createLinearGradient(double x0, double y0, double r0, double x1, Object y1, Object r1) Creates linear gradient.
static void	jsxFunction_drawImage(net.sourceforge.htmlunit.corejs.javascript.Context context, net.sourceforge.htmlunit.corejs.javascript.Scriptable thisObj, Object[] args, net.sourceforge.htmlunit.corejs.javascript.Function function) Draws images onto the canvas.
void	jsxFunction_fill() Fills the shape.
void	jsxFunction_fillRect(double x, double y, double w, double h) Paints the specified rectangular area.
void	jsxFunction_lineTo(double x, double y) Connect the last point to the given point.
void	jsxFunction_moveTo(double x, double y) Creates a new subpath.
void	jsxFunction_restore() Pops state stack and restore state.
void	jsxFunction_save() Pushes state on state stack.
void	jsxFunction_scale(Object x, Object y) Changes the transformation matrix to apply a scaling transformation with the given characteristics.
void	jsxFunction_stroke() Calculates the strokes of all the subpaths of the current path.
void	jsxFunction_strokeRect(double x, double y, double w, double h) Strokes the specified rectangular area.
void	jsxFunction_translate(Object x, Object y) Changes the transformation matrix to apply a translation transformation with the given characteristics.
Object	jsxGet_fillStyle() Returns the "fillStyle" property.
double	jsxGet_globalAlpha() Returns the "globalAlpha" property.
double	jsxGet_lineWidth() Returns the "lineWidth" property.
Object	jsxGet_strokeStyle() Returns the "strokeStyle" property.
void	jsxSet_fillStyle(Object fillStyle) Sets the "fillStyle" property.
void	jsxSet_globalAlpha(Object globalAlpha) Sets the "globalAlpha" property.
void	jsxSet_lineWidth(Object lineWidth) Sets the "lineWidth" property.
void	jsxSet_strokeStyle(Object strokeStyle) Sets the "strokeStyle" property.

Methods inherited from class com.gargoylesoftware.htmlunit.javascript.SimpleScriptable

clone, defineFunctionProperties, defineProperty, equivalentValues, get, getBrowserVersion, getClassName, getDefaultValue, getDomNodeOrDie, getDomNodeOrNull, getPrototype, getScriptableFor, getStartingScope, getTransformerScriptableFor, getWindow, getWindow, getWithPreemption, hasInstance, initParentScope, makeScriptableFor, setCaseSensitive, setDomNode, setDomNode, setHtmlElement

Methods inherited from class net.sourceforge.htmlunit.corejs.javascript.ScriptableObject

applyDescriptorToAttributeBitset, associateValue, avoidObjectDetection, buildDataDescriptor, callMethod, callMethod, defineClass, defineClass, defineClass, defineConst, defineConstProperty, defineOwnProperties, defineOwnProperty, defineProperty, defineProperty, defineProperty, delete, delete, deleteProperty, deleteProperty, ensureScriptable, ensureScriptableObject, get, get, getAllIds, getArrayPrototype, getAssociatedValue, getAttributes, getAttributes, getAttributes, getAttributes, getClassPrototype, getDefaultValue, getFunctionPrototype, getGetterOrSetter, getIds, getObjectPrototype, getOwnPropertyDescriptor, getParentScope, getProperty, getProperty, getPropertyIds, getPrototype, getSlot, getTopLevelScope, getTopScopeValue, getTypedProperty, getTypedProperty, getTypeOf, has, has, hasProperty, hasProperty, isAccessorDescriptor, isConst, isDataDescriptor, isEmpty, isExtensible, isFalse, isGenericDescriptor, isGetterOrSetter, isSealed, isTrue, preventExtensions, put, put, putConst, putConstProperty, putProperty, putProperty, redefineProperty, sealObject, setAttributes, setAttributes, setAttributes, setAttributes, setGetterOrSetter, setParentScope, setPrototype, size

Methods inherited from class java.lang.Object

equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

CanvasRenderingContext2D

public CanvasRenderingContext2D()

Method Detail

jsxGet_fillStyle

public Object jsxGet_fillStyle()

Returns the "fillStyle" property.

Returns:

the "fillStyle" property

jsxFunction_translate

public void jsxFunction_translate(Object x,
                         Object y)

Changes the transformation matrix to apply a translation transformation with the given characteristics.

Parameters:

x - the translation distance in the horizontal direction

y - the translation distance in the vertical direction

jsxFunction_scale

public void jsxFunction_scale(Object x,
                     Object y)

Changes the transformation matrix to apply a scaling transformation with the given characteristics.

Parameters:

x - the scale factor in the horizontal direction

y - the scale factor in the vertical direction

jsxSet_fillStyle

public void jsxSet_fillStyle(Object fillStyle)

Sets the "fillStyle" property.

Parameters:

fillStyle - the "fillStyle" property

jsxGet_strokeStyle

public Object jsxGet_strokeStyle()

Returns the "strokeStyle" property.

Returns:

the "strokeStyle" property

jsxSet_strokeStyle

public void jsxSet_strokeStyle(Object strokeStyle)

Sets the "strokeStyle" property.

Parameters:

strokeStyle - the "strokeStyle" property

jsxGet_lineWidth

public double jsxGet_lineWidth()

Returns the "lineWidth" property.

Returns:

the "lineWidth" property

jsxSet_lineWidth

public void jsxSet_lineWidth(Object lineWidth)

Sets the "lineWidth" property.

Parameters:

lineWidth - the "lineWidth" property

jsxGet_globalAlpha

public double jsxGet_globalAlpha()

Returns the "globalAlpha" property.

Returns:

the "globalAlpha" property

jsxSet_globalAlpha

public void jsxSet_globalAlpha(Object globalAlpha)

Sets the "globalAlpha" property.

Parameters:

globalAlpha - the "globalAlpha" property

jsxFunction_clearRect

public void jsxFunction_clearRect(double x,
                         double y,
                         double w,
                         double h)

Clears the specified rectangular area.

Parameters:

x - the x

y - the y

w - the width

h - the height

jsxFunction_fillRect

public void jsxFunction_fillRect(double x,
                        double y,
                        double w,
                        double h)

Paints the specified rectangular area.

Parameters:

x - the x

y - the y

w - the width

h - the height

jsxFunction_strokeRect

public void jsxFunction_strokeRect(double x,
                          double y,
                          double w,
                          double h)

Strokes the specified rectangular area.

Parameters:

x - the x

y - the y

w - the width

h - the height

jsxFunction_beginPath

public void jsxFunction_beginPath()

Begins the subpaths.

jsxFunction_closePath

public void jsxFunction_closePath()

Closes the subpaths.

jsxFunction_moveTo

public void jsxFunction_moveTo(double x,
                      double y)

Creates a new subpath.

Parameters:

x - the x

y - the y

jsxFunction_lineTo

public void jsxFunction_lineTo(double x,
                      double y)

Connect the last point to the given point.

Parameters:

x - the x

y - the y

jsxFunction_save

public void jsxFunction_save()

Pushes state on state stack.

jsxFunction_restore

public void jsxFunction_restore()

Pops state stack and restore state.

jsxFunction_createLinearGradient

public void jsxFunction_createLinearGradient(double x0,
                                    double y0,
                                    double r0,
                                    double x1,
                                    Object y1,
                                    Object r1)

Creates linear gradient.

Parameters:

x0 - the x0

y0 - the y0

r0 - the r0

x1 - the x1

y1 - the y1

r1 - the r1

jsxFunction_arc

public void jsxFunction_arc(double x,
                   double y,
                   double radius,
                   double startAngle,
                   double endAngle,
                   boolean anticlockwise)

Draws an arc.

Parameters:

x - the x

y - the y

radius - the radius

startAngle - the start angle

endAngle - the end angle

anticlockwise - is anti-clockwise

jsxFunction_arcTo

public void jsxFunction_arcTo(double x1,
                     double y1,
                     double x2,
                     double y2,
                     double radius)

Draws an arc.

Parameters:

x1 - the x1

y1 - the y1

x2 - the x2

y2 - the y2

radius - the radius

jsxFunction_bezierCurveTo

public void jsxFunction_bezierCurveTo(double cp1x,
                             double cp1y,
                             double cp2x,
                             double cp2y,
                             double x,
                             double y)

Draws a cubic Bézier curve.

Parameters:

cp1x - the cp1x

cp1y - the cp1y

cp2x - the cp2x

cp2y - the cp2y

x - the x

y - the y

jsxFunction_fill

public void jsxFunction_fill()

Fills the shape.

jsxFunction_stroke

public void jsxFunction_stroke()

Calculates the strokes of all the subpaths of the current path.

jsxFunction_clip

public void jsxFunction_clip()

Creates a new clipping region.

jsxFunction_drawImage

public static void jsxFunction_drawImage(net.sourceforge.htmlunit.corejs.javascript.Context context,
                         net.sourceforge.htmlunit.corejs.javascript.Scriptable thisObj,
                         Object[] args,
                         net.sourceforge.htmlunit.corejs.javascript.Function function)

Draws images onto the canvas.

Parameters:

context - the JavaScript context

thisObj - the scriptable

args - the arguments passed into the method

function - the function