Package snap.gfx

Class PainterDVR

java.lang.Object

snap.gfx.Painter

snap.gfx.PainterImpl

snap.gfx.PainterDVR

public class PainterDVR
extends PainterImpl

A Painter subclass that records painting operations for later execution instead of executing them immediately.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	PainterDVR.ClipBy	An instruction to clip().
static class	PainterDVR.DrawImage	An instruction to drawImage(Image,Transform).
static class	PainterDVR.DrawImageX	An instruction to drawImage(Image,Transform).
static class	PainterDVR.DrawShape	An instruction to draw(Shape).
static class	PainterDVR.DrawString	An instruction to drawString(str,x,y,cs).
static class	PainterDVR.FillShape	An instruction to fill(Shape).
static class	PainterDVR.Instruction	A class to represent instructions.
static class	PainterDVR.Restore	An instruction to restore().
static class	PainterDVR.Save	An instruction to save().
static class	PainterDVR.SetFont	An instruction to setFont().
static class	PainterDVR.SetOpacity	An instruction to setOpacity().
static class	PainterDVR.SetPaint	An instruction to setPaint().
static class	PainterDVR.SetStroke	An instruction to setStroke().
static class	PainterDVR.SetTransform	An instruction to setTransform().
static class	PainterDVR.TransformBy	An instruction to transform().

Nested classes/interfaces inherited from class snap.gfx.PainterImpl

PainterImpl.GState

Nested classes/interfaces inherited from class snap.gfx.Painter

Painter.Composite, Painter.Props

Field Summary

Fields inherited from class snap.gfx.PainterImpl

_gsize, _gstate, _gstates

Constructor Summary

Constructors

Constructor	Description
PainterDVR()	Constructor.
PainterDVR(Painter aPntr)	Creates a new PainterDVR for given painter (which supports applyEffect()).

Method Summary

Modifier and Type	Method	Description
void	add(PainterDVR.Instruction anInstr)	Adds an instruction.
void	clear()	Clears the instructions stored in this PainterDVR.
void	clip(Shape aShape)	Clip by shape.
void	draw(Shape aShape)	Stroke the given shape.
void	drawImage(Image img, double sx, double sy, double sw, double sh, double dx, double dy, double dw, double dh)	Draw image in rect.
void	drawImage(Image anImg, Transform aTrans)	Draw image with transform.
void	drawString(String aStr, double aX, double aY, double aCSpace)	Draw string at location with char spacing.
boolean	equals(Object anObj)	Standard equals implementation.
void	exec(Painter aPntr)	Executes the instructions stored in this PainterDVR to given painter.
void	fill(Shape aShape)	Fill the given shape.
Image	getImage(Rect aRect, int anInset)	Returns image of given shape inside a gutter of given inset (maybe should be insets one day).
Painter.Props	getProps()	Override to forward to real painter.
void	restore()	Disposes this painter.
void	save()	Standard clone implementation.
void	setFont(Font aFont)	Sets the font.
void	setOpacity(double aValue)	Sets the opacity.
void	setPaint(Paint aPaint)	Sets the paint.
void	setStroke(Stroke aStroke)	Sets the stroke.
void	setTransform(Transform aTrans)	Transform by transform.
void	transform(Transform aTrans)	Transform by transform.

Methods inherited from class snap.gfx.PainterImpl

getClip, getFont, getGState, getMarkedShape, getOpacity, getPaint, getStroke, getTransform, isMarkedShapeOpaque

Methods inherited from class snap.gfx.Painter

clearRect, clipRect, drawButton, drawButton, drawImage, drawImage, drawLine, drawLineWithPaint, drawRect, drawRectWithPaint, drawString, drawWithPaint, fill3DRect, fillRect, fillRectWithPaint, fillWithPaint, flush, getClipBounds, getColor, getComposite, getImageQuality, getNative, getNative, isPrinting, isStrokePure, rotate, rotateAround, scale, setAntialiasing, setColor, setComposite, setImageQuality, setPrinting, setProps, setStrokePure, setStrokeWidth, setTransform, toString, transform, translate

Methods inherited from class java.lang.Object

clone, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Details

PainterDVR

public PainterDVR()

Constructor.

PainterDVR

public PainterDVR(Painter aPntr)

Creates a new PainterDVR for given painter (which supports applyEffect()).

Method Details

exec

public void exec(Painter aPntr)

Executes the instructions stored in this PainterDVR to given painter.

clear

public void clear()

Clears the instructions stored in this PainterDVR.

getImage

public Image getImage(Rect aRect,
 int anInset)

Returns image of given shape inside a gutter of given inset (maybe should be insets one day).

setFont

public void setFont(Font aFont)

Sets the font.

Overrides:

setFont in class PainterImpl

setPaint

public void setPaint(Paint aPaint)

Sets the paint.

Overrides:

setPaint in class PainterImpl

setStroke

public void setStroke(Stroke aStroke)

Sets the stroke.

Overrides:

setStroke in class PainterImpl

setOpacity

public void setOpacity(double aValue)

Sets the opacity.

Overrides:

setOpacity in class PainterImpl

draw

public void draw(Shape aShape)

Stroke the given shape.

Overrides:

draw in class PainterImpl

fill

public void fill(Shape aShape)

Fill the given shape.

Overrides:

fill in class PainterImpl

drawImage

public void drawImage(Image anImg,
 Transform aTrans)

Draw image with transform.

Overrides:

drawImage in class PainterImpl

drawImage

public void drawImage(Image img,
 double sx,
 double sy,
 double sw,
 double sh,
 double dx,
 double dy,
 double dw,
 double dh)

Draw image in rect.

Overrides:

drawImage in class PainterImpl

drawString

public void drawString(String aStr,
 double aX,
 double aY,
 double aCSpace)

Draw string at location with char spacing.

Overrides:

drawString in class PainterImpl

setTransform

public void setTransform(Transform aTrans)

Transform by transform.

Overrides:

setTransform in class PainterImpl

transform

public void transform(Transform aTrans)

Transform by transform.

Overrides:

transform in class PainterImpl

clip

public void clip(Shape aShape)

Clip by shape.

Overrides:

clip in class PainterImpl

save

public void save()

Standard clone implementation.

Overrides:

save in class PainterImpl

restore

public void restore()

Disposes this painter.

Overrides:

restore in class PainterImpl

getProps

public Painter.Props getProps()

Override to forward to real painter.

Overrides:

getProps in class Painter

add

public void add(PainterDVR.Instruction anInstr)

Adds an instruction.

equals

public boolean equals(Object anObj)

Standard equals implementation.

Overrides:

equals in class Object