Package nl.tudelft.simulation.dsol.web.animation

Class HTMLGraphics2D

java.lang.Object

java.awt.Graphics

java.awt.Graphics2D

nl.tudelft.simulation.dsol.web.animation.HTMLGraphics2D

public class HTMLGraphics2D
extends Graphics2D

HTMLGraphics.java.

Copyright (c) 2003-2022 Delft University of Technology, Jaffalaan 5, 2628 BX Delft, the Netherlands. All rights reserved. See for project information www.simulation.tudelft.nl. The source code and binary code of this software is proprietary information of Delft University of Technology.

Author:

Alexander Verbraeck

Field Summary

Fields

Modifier and Type	Field	Description
(package private) AffineTransform	affineTransform	the current affine transform.
(package private) Color	background	the current color of the background for drawing.
(package private) Canvas	canvas	the drawing canvas.
(package private) Color	color	the current drawing color.
(package private) StringBuffer	commands	the commands to send over the channel to the HTML5 code.
(package private) Composite	composite	TODO: the current composite.
(package private) Font	font	the current font.
(package private) FontMetrics	fontMetrics	the cached current font properties.
(package private) Paint	paint	the current paint.
(package private) RenderingHints	renderingHints	TODO: the current rendering hints.
(package private) Stroke	stroke	the current stroke.

Constructor Summary

Constructors

Constructor	Description
HTMLGraphics2D()

Method Summary

Modifier and Type	Method	Description
protected void	addAffineTransform()	add AffineTransform to the command.
protected void	addColor(Color c)	add Color to the command.
protected void	addDraw(String drawCommand, Object... params)	Add a draw command.
protected void	addFontData()	add font data to the command, font-name, font-size, bold/italic/plain.
void	addRenderingHints(Map<?,?> hints)
protected void	addTransformDraw(String drawCommand, Object... params)	Add command, transform.m11(h-scale), transform.m12(h-skew), transform.m21(v-skew), transform.m22(v-scale), transform.dx(h-translate), transform.dy(v-translate), linecolor.r, linecolor.g, linecolor.b, linecolor.alpha, linecolor.transparency, line-width, params...
protected void	addTransformFill(String fillCommand, Object... params)	Add fill command, transform.m11(h-scale), transform.m12(h-skew), transform.m21(v-skew), transform.m22(v-scale), transform.dx(h-translate), transform.dy(v-translate), color.r, color.g, color.b, color.alpha, color.transparency, params...
protected void	addTransformPathDouble(Path2D.Double path, boolean fill)	Add a path2D to the command.
protected void	addTransformPathFloat(Path2D.Float path, boolean fill)	Add a path2D to the command.
protected void	addTransformText(String drawCommand, Object... params)	Add string, 0=command, 1=transform.m11(h-scale), 2=transform.m12(h-skew), 3=transform.m21(v-skew), 4=transform.m22(v-scale), 5=transform.dx(h-translate), 6=transform.dy(v-translate), 7=color.r, 8=color.g, 9=color.b, 10=color.alpha, 11=color.transparency, 12=fontname, 13=fontsize, 14=fontstyle(normal/italic/bold), 15=x, 16=y, 17=text.
void	clearCommand()	Clear the commands and put the start tag in.
void	clearRect(int x, int y, int width, int height)
void	clip(Shape s)
void	clipRect(int x, int y, int width, int height)
String	closeAndGetCommands()	Close the commands and put the end tag in.
void	copyArea(int x, int y, int width, int height, int dx, int dy)
Graphics	create()
void	dispose()
void	draw(Shape shape)
void	drawArc(int x, int y, int width, int height, int startAngle, int arcAngle)
protected void	drawFillShape(Shape shape, boolean fill)	Draw or fill a shape.
void	drawGlyphVector(GlyphVector g, float x, float y)
void	drawImage(BufferedImage img, BufferedImageOp op, int x, int y)
boolean	drawImage(Image img, int dx1, int dy1, int dx2, int dy2, int sx1, int sy1, int sx2, int sy2, Color bgcolor, ImageObserver observer)
boolean	drawImage(Image img, int dx1, int dy1, int dx2, int dy2, int sx1, int sy1, int sx2, int sy2, ImageObserver observer)
boolean	drawImage(Image img, int x, int y, int width, int height, Color bgcolor, ImageObserver observer)
boolean	drawImage(Image img, int x, int y, int width, int height, ImageObserver observer)
boolean	drawImage(Image img, int x, int y, Color bgcolor, ImageObserver observer)
boolean	drawImage(Image img, int x, int y, ImageObserver observer)
boolean	drawImage(Image img, AffineTransform xform, ImageObserver obs)
void	drawLine(int x1, int y1, int x2, int y2)
void	drawOval(int x, int y, int width, int height)
void	drawPolygon(int[] xPoints, int[] yPoints, int nPoints)
void	drawPolyline(int[] xPoints, int[] yPoints, int nPoints)
void	drawRenderableImage(RenderableImage img, AffineTransform xform)
void	drawRenderedImage(RenderedImage img, AffineTransform xform)
void	drawRoundRect(int x, int y, int width, int height, int arcWidth, int arcHeight)
void	drawString(String str, float x, float y)
void	drawString(String str, int x, int y)
void	drawString(AttributedCharacterIterator iterator, float x, float y)
void	drawString(AttributedCharacterIterator iterator, int x, int y)
void	fill(Shape shape)
void	fillArc(int x, int y, int width, int height, int startAngle, int arcAngle)
void	fillOval(int x, int y, int width, int height)
void	fillPolygon(int[] xPoints, int[] yPoints, int nPoints)
void	fillRect(int x, int y, int width, int height)
void	fillRoundRect(int x, int y, int width, int height, int arcWidth, int arcHeight)
Color	getBackground()
Shape	getClip()
Rectangle	getClipBounds()
Color	getColor()
Composite	getComposite()
GraphicsConfiguration	getDeviceConfiguration()
Font	getFont()
FontMetrics	getFontMetrics(Font f)
FontRenderContext	getFontRenderContext()
Paint	getPaint()
Object	getRenderingHint(RenderingHints.Key hintKey)
RenderingHints	getRenderingHints()
Stroke	getStroke()
AffineTransform	getTransform()
boolean	hit(Rectangle rect, Shape s, boolean onStroke)
void	rotate(double theta)
void	rotate(double theta, double x, double y)
void	scale(double sx, double sy)
void	setBackground(Color color)
void	setClip(int x, int y, int width, int height)
void	setClip(Shape clip)
void	setColor(Color c)
void	setComposite(Composite comp)
void	setFont(Font font)
void	setPaint(Paint paint)
void	setPaintMode()
void	setRenderingHint(RenderingHints.Key hintKey, Object hintValue)
void	setRenderingHints(Map<?,?> hints)
void	setStroke(Stroke s)
void	setTransform(AffineTransform Tx)
void	setXORMode(Color c1)
void	shear(double shx, double shy)
void	transform(AffineTransform Tx)
void	translate(double tx, double ty)
void	translate(int x, int y)

Methods inherited from class java.awt.Graphics2D

draw3DRect, fill3DRect

Methods inherited from class java.awt.Graphics

create, drawBytes, drawChars, drawPolygon, drawRect, fillPolygon, finalize, getClipBounds, getClipRect, getFontMetrics, hitClip, toString

Methods inherited from class java.lang.Object

clone, equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

background

Color background

the current color of the background for drawing.

color

Color color

the current drawing color.

font

Font font

the current font.

canvas

Canvas canvas

the drawing canvas.

fontMetrics

FontMetrics fontMetrics

the cached current font properties.

paint

Paint paint

the current paint.

stroke

Stroke stroke

the current stroke.

renderingHints

RenderingHints renderingHints

TODO: the current rendering hints.

affineTransform

AffineTransform affineTransform

the current affine transform.

composite

Composite composite

TODO: the current composite. What is that?

commands

StringBuffer commands

the commands to send over the channel to the HTML5 code.

Constructor Detail

HTMLGraphics2D

public HTMLGraphics2D()

Method Detail

clearCommand

public void clearCommand()

Clear the commands and put the start tag in.

closeAndGetCommands

public String closeAndGetCommands()

Close the commands and put the end tag in.

Returns:

the current set of commands

addDraw

protected void addDraw(String drawCommand,
                       Object... params)

Add a draw command.

Parameters:

drawCommand - String; the tag for the draw command

params - Object...; the params for the draw command

addAffineTransform

protected void addAffineTransform()

add AffineTransform to the command.

addColor

protected void addColor(Color c)

add Color to the command.

Parameters:

c - Color; the color

addFontData

protected void addFontData()

add font data to the command, font-name, font-size, bold/italic/plain.

addTransformFill

protected void addTransformFill(String fillCommand,
                                Object... params)

Add fill command, transform.m11(h-scale), transform.m12(h-skew), transform.m21(v-skew), transform.m22(v-scale), transform.dx(h-translate), transform.dy(v-translate), color.r, color.g, color.b, color.alpha, color.transparency, params...

Parameters:

fillCommand - String; the tag to use

params - Object...; the params to send

addTransformDraw

protected void addTransformDraw(String drawCommand,
                                Object... params)

Add command, transform.m11(h-scale), transform.m12(h-skew), transform.m21(v-skew), transform.m22(v-scale), transform.dx(h-translate), transform.dy(v-translate), linecolor.r, linecolor.g, linecolor.b, linecolor.alpha, linecolor.transparency, line-width, params...

Parameters:

drawCommand - String; the tag to use

params - Object...; the params

addTransformPathFloat

protected void addTransformPathFloat(Path2D.Float path,
                                     boolean fill)

Add a path2D to the command. In case of fill:
FILL, transform.m11(h-scale), transform.m12(h-skew), transform.m21(v-skew), transform.m22(v-scale), transform.dx(h-translate), transform.dy(v-translate), fillcolor.r, fillcolor.g, fillcolor.b, fillcolor.alpha, fillcolor.transparency, winding_rule[WIND_EVEN_ODD/WIND_NON_ZERO], COMMAND, coords, COMMAND, coords, ...
In case of draw:
DRAW, transform.m11(h-scale), transform.m12(h-skew), transform.m21(v-skew), transform.m22(v-scale), transform.dx(h-translate), transform.dy(v-translate), strokecolor.r, strokecolor.g, strokecolor.b, strokecolor.alpha, strokecolor.transparency, line_width, COMMAND, coords, COMMAND, coords, ...
where command can be one of the following:
- CLOSE, followed by no coordinates
- CUBICTO, followed by 3 coordinates (6 numbers)
- LINETO, followed by 1 coordinate (2 numbers)
- MOVETO, followed by 1 coordinate (2 numbers)
- QUADTO, followed by 2 coordinates (4 numbers)

Parameters:

path - Path2D.Float; the path to draw

fill - boolean;

addTransformPathDouble

protected void addTransformPathDouble(Path2D.Double path,
                                      boolean fill)

Add a path2D to the command. In case of fill:
FILL, transform.m11(h-scale), transform.m12(h-skew), transform.m21(v-skew), transform.m22(v-scale), transform.dx(h-translate), transform.dy(v-translate), fillcolor.r, fillcolor.g, fillcolor.b, fillcolor.alpha, fillcolor.transparency, winding_rule[WIND_EVEN_ODD/WIND_NON_ZERO], COMMAND, coords, COMMAND, coords, ...
In case of draw:
DRAW, transform.m11(h-scale), transform.m12(h-skew), transform.m21(v-skew), transform.m22(v-scale), transform.dx(h-translate), transform.dy(v-translate), strokecolor.r, strokecolor.g, strokecolor.b, strokecolor.alpha, strokecolor.transparency, line_width, COMMAND, coords, COMMAND, coords, ...
where command can be one of the following:
- CLOSE, followed by no coordinates
- CUBICTO, followed by 3 coordinates (6 numbers)
- LINETO, followed by 1 coordinate (2 numbers)
- MOVETO, followed by 1 coordinate (2 numbers)
- QUADTO, followed by 2 coordinates (4 numbers)

Parameters:

path - Path2D.Double; the path to draw

fill - boolean;

addTransformText

protected void addTransformText(String drawCommand,
                                Object... params)

Add string, 0=command, 1=transform.m11(h-scale), 2=transform.m12(h-skew), 3=transform.m21(v-skew), 4=transform.m22(v-scale), 5=transform.dx(h-translate), 6=transform.dy(v-translate), 7=color.r, 8=color.g, 9=color.b, 10=color.alpha, 11=color.transparency, 12=fontname, 13=fontsize, 14=fontstyle(normal/italic/bold), 15=x, 16=y, 17=text.

Parameters:

drawCommand - String; the tag to use

params - Object...; the params

draw

public void draw(Shape shape)

Specified by:

draw in class Graphics2D

drawFillShape

protected void drawFillShape(Shape shape,
                             boolean fill)

Draw or fill a shape.

Parameters:

shape - Shape; the shape

fill - boolean; filled or not

drawImage

public boolean drawImage(Image img,
                         AffineTransform xform,
                         ImageObserver obs)

Specified by:

drawImage in class Graphics2D

drawImage

public void drawImage(BufferedImage img,
                      BufferedImageOp op,
                      int x,
                      int y)

Specified by:

drawImage in class Graphics2D

drawRenderedImage

public void drawRenderedImage(RenderedImage img,
                              AffineTransform xform)

Specified by:

drawRenderedImage in class Graphics2D

drawRenderableImage

public void drawRenderableImage(RenderableImage img,
                                AffineTransform xform)

Specified by:

drawRenderableImage in class Graphics2D

drawString

public void drawString(String str,
                       int x,
                       int y)

Specified by:

drawString in class Graphics2D

drawString

public void drawString(String str,
                       float x,
                       float y)

Specified by:

drawString in class Graphics2D

drawString

public void drawString(AttributedCharacterIterator iterator,
                       int x,
                       int y)

Specified by:

drawString in class Graphics2D

drawString

public void drawString(AttributedCharacterIterator iterator,
                       float x,
                       float y)

Specified by:

drawString in class Graphics2D

drawGlyphVector

public void drawGlyphVector(GlyphVector g,
                            float x,
                            float y)

Specified by:

drawGlyphVector in class Graphics2D

fill

public void fill(Shape shape)

Specified by:

fill in class Graphics2D

hit

public boolean hit(Rectangle rect,
                   Shape s,
                   boolean onStroke)

Specified by:

hit in class Graphics2D

getDeviceConfiguration

public GraphicsConfiguration getDeviceConfiguration()

Specified by:

getDeviceConfiguration in class Graphics2D

setComposite

public void setComposite(Composite comp)

Specified by:

setComposite in class Graphics2D

setPaint

public void setPaint(Paint paint)

Specified by:

setPaint in class Graphics2D

setStroke

public void setStroke(Stroke s)

Specified by:

setStroke in class Graphics2D

setRenderingHint

public void setRenderingHint(RenderingHints.Key hintKey,
                             Object hintValue)

Specified by:

setRenderingHint in class Graphics2D

getRenderingHint

public Object getRenderingHint(RenderingHints.Key hintKey)

Specified by:

getRenderingHint in class Graphics2D

setRenderingHints

public void setRenderingHints(Map<?,?> hints)

Specified by:

setRenderingHints in class Graphics2D

addRenderingHints

public void addRenderingHints(Map<?,?> hints)

Specified by:

addRenderingHints in class Graphics2D

getRenderingHints

public RenderingHints getRenderingHints()

Specified by:

getRenderingHints in class Graphics2D

translate

public void translate(int x,
                      int y)

Specified by:

translate in class Graphics2D

translate

public void translate(double tx,
                      double ty)

Specified by:

translate in class Graphics2D

rotate

public void rotate(double theta)

Specified by:

rotate in class Graphics2D

rotate

public void rotate(double theta,
                   double x,
                   double y)

Specified by:

rotate in class Graphics2D

scale

public void scale(double sx,
                  double sy)

Specified by:

scale in class Graphics2D

shear

public void shear(double shx,
                  double shy)

Specified by:

shear in class Graphics2D

transform

public void transform(AffineTransform Tx)

Specified by:

transform in class Graphics2D

setTransform

public void setTransform(AffineTransform Tx)

Specified by:

setTransform in class Graphics2D

getTransform

public AffineTransform getTransform()

Specified by:

getTransform in class Graphics2D

getPaint

public Paint getPaint()

Specified by:

getPaint in class Graphics2D

getComposite

public Composite getComposite()

Specified by:

getComposite in class Graphics2D

setBackground

public void setBackground(Color color)

Specified by:

setBackground in class Graphics2D

getBackground

public Color getBackground()

Specified by:

getBackground in class Graphics2D

getStroke

public Stroke getStroke()

Specified by:

getStroke in class Graphics2D

clip

public void clip(Shape s)

Specified by:

clip in class Graphics2D

getFontRenderContext

public FontRenderContext getFontRenderContext()

Specified by:

getFontRenderContext in class Graphics2D

create

public Graphics create()

Specified by:

create in class Graphics

getColor

public Color getColor()

Specified by:

getColor in class Graphics

setColor

public void setColor(Color c)

Specified by:

setColor in class Graphics

setPaintMode

public void setPaintMode()

Specified by:

setPaintMode in class Graphics

setXORMode

public void setXORMode(Color c1)

Specified by:

setXORMode in class Graphics

getFont

public Font getFont()

Specified by:

getFont in class Graphics

setFont

public void setFont(Font font)

Specified by:

setFont in class Graphics

getFontMetrics

public FontMetrics getFontMetrics(Font f)

Specified by:

getFontMetrics in class Graphics

getClipBounds

public Rectangle getClipBounds()

Specified by:

getClipBounds in class Graphics

clipRect

public void clipRect(int x,
                     int y,
                     int width,
                     int height)

Specified by:

clipRect in class Graphics

setClip

public void setClip(int x,
                    int y,
                    int width,
                    int height)

Specified by:

setClip in class Graphics

getClip

public Shape getClip()

Specified by:

getClip in class Graphics

setClip

public void setClip(Shape clip)

Specified by:

setClip in class Graphics

copyArea

public void copyArea(int x,
                     int y,
                     int width,
                     int height,
                     int dx,
                     int dy)

Specified by:

copyArea in class Graphics

drawLine

public void drawLine(int x1,
                     int y1,
                     int x2,
                     int y2)

Specified by:

drawLine in class Graphics

fillRect

public void fillRect(int x,
                     int y,
                     int width,
                     int height)

Specified by:

fillRect in class Graphics

clearRect

public void clearRect(int x,
                      int y,
                      int width,
                      int height)

Specified by:

clearRect in class Graphics

drawRoundRect

public void drawRoundRect(int x,
                          int y,
                          int width,
                          int height,
                          int arcWidth,
                          int arcHeight)

Specified by:

drawRoundRect in class Graphics

fillRoundRect

public void fillRoundRect(int x,
                          int y,
                          int width,
                          int height,
                          int arcWidth,
                          int arcHeight)

Specified by:

fillRoundRect in class Graphics

drawOval

public void drawOval(int x,
                     int y,
                     int width,
                     int height)

Specified by:

drawOval in class Graphics

fillOval

public void fillOval(int x,
                     int y,
                     int width,
                     int height)

Specified by:

fillOval in class Graphics

drawArc

public void drawArc(int x,
                    int y,
                    int width,
                    int height,
                    int startAngle,
                    int arcAngle)

Specified by:

drawArc in class Graphics

fillArc

public void fillArc(int x,
                    int y,
                    int width,
                    int height,
                    int startAngle,
                    int arcAngle)

Specified by:

fillArc in class Graphics

drawPolyline

public void drawPolyline(int[] xPoints,
                         int[] yPoints,
                         int nPoints)

Specified by:

drawPolyline in class Graphics

drawPolygon

public void drawPolygon(int[] xPoints,
                        int[] yPoints,
                        int nPoints)

Specified by:

drawPolygon in class Graphics

fillPolygon

public void fillPolygon(int[] xPoints,
                        int[] yPoints,
                        int nPoints)

Specified by:

fillPolygon in class Graphics

drawImage

public boolean drawImage(Image img,
                         int x,
                         int y,
                         ImageObserver observer)

Specified by:

drawImage in class Graphics

drawImage

public boolean drawImage(Image img,
                         int x,
                         int y,
                         int width,
                         int height,
                         ImageObserver observer)

Specified by:

drawImage in class Graphics

drawImage

public boolean drawImage(Image img,
                         int x,
                         int y,
                         Color bgcolor,
                         ImageObserver observer)

Specified by:

drawImage in class Graphics

drawImage

public boolean drawImage(Image img,
                         int x,
                         int y,
                         int width,
                         int height,
                         Color bgcolor,
                         ImageObserver observer)

Specified by:

drawImage in class Graphics

drawImage

public boolean drawImage(Image img,
                         int dx1,
                         int dy1,
                         int dx2,
                         int dy2,
                         int sx1,
                         int sy1,
                         int sx2,
                         int sy2,
                         ImageObserver observer)

Specified by:

drawImage in class Graphics

drawImage

public boolean drawImage(Image img,
                         int dx1,
                         int dy1,
                         int dx2,
                         int dy2,
                         int sx1,
                         int sy1,
                         int sx2,
                         int sy2,
                         Color bgcolor,
                         ImageObserver observer)

Specified by:

drawImage in class Graphics

dispose

public void dispose()

Specified by:

dispose in class Graphics