org.arakhne.afc.ui.android.zoom

Class DroidZoomableGraphics2D

java.lang.Object

org.arakhne.afc.ui.vector.AbstractVectorGraphics2D

org.arakhne.afc.ui.android.zoom.DroidZoomableGraphics2D

All Implemented Interfaces:

VectorGraphics2D, ZoomableContext

Direct Known Subclasses:

DroidViewGraphics2D

public class DroidZoomableGraphics2D
extends AbstractVectorGraphics2D
implements ZoomableContext

This is the droid-based implementation of a VectorGraphics2D and a ZoomableContext.

Version:

$Name$ $Revision$ $Date$

Author:

$Author: galland$

Maven Group Id:

$GroupId$

Maven Artifact Id:

$ArtifactId$

Field Summary

Fields

Modifier and Type	Field and Description
protected Color	background Current background color.
protected android.graphics.Canvas	canvas Android canvas.
protected CenteringTransform	centeringTransform Transformation to apply to center the objects on the view.
protected Color	defaultBackground Default color to draw the background.
protected Color	defaultFillColor Default color to fill the shapes.
protected Graphics2DLOD	defaultLevelOfDetail Default Level-of-Detail.
protected Color	defaultLineColor Default color to outline the shapes.
protected android.graphics.Paint	fillPainter Android painter to use for filling the shapes.
protected float	focusX Coordinate of the point that is drawn at the center of the view.
protected float	focusY Coordinate of the point that is drawn at the center of the view.
protected android.graphics.Paint	fontPainter Android painter to use for drawing the texts.
protected Graphics2DLOD	levelOfDetail Current Level-of-Detail.
protected android.graphics.Paint	linePainter Android painter to use for drawing the outlines of the shapes.
protected float	maxScale Maximal value for the scale factor.
protected float	minScale Minimal value for the scale factor.
protected float	scale Scaling factor to apply when drawing.
protected float	scalingSensitivity Scaling sensitivity.
protected Rectangle2f	tmpRect Temp rectangle used in internal computations.

Constructor Summary

Constructors

Constructor and Description
DroidZoomableGraphics2D(android.graphics.Canvas canvas, Color defaultFillColor, Color defaultLineColor, float scaleFactor, CenteringTransform centeringTransform, Color background, boolean isAntiAlias, float scalingSensitivity, float focusX, float focusY, float minScaleFactor, float maxScaleFactor)

Method Summary

Methods

Modifier and Type	Method and Description
void	clear(Shape2f s)
void	clip(Shape2f clip)
static Transform2D	convertMatrix(android.graphics.Matrix m, float scale) Convert the droid matrix to Arakhne transformation matrix.
static android.graphics.Matrix	convertTransformation(Transform2D t, float scale) Convert the Arakhne transformation matrix to droid matrix.
void	dispose()
void	draw(Shape2f s)
boolean	drawImage(URL imageURL, Image img, float dx1, float dy1, float dx2, float dy2, int sx1, int sy1, int sx2, int sy2)
boolean	drawImage(URL imageURL, Image img, float dx1, float dy1, float dx2, float dy2, int sx1, int sy1, int sx2, int sy2, ImageObserver observer)
void	drawPoint(float x, float y)
Color	getBackground()
Shape2f	getClip()
Composite	getComposite()
float	getFocusX()
float	getFocusY()
Font	getFont()
FontMetrics	getFontMetrics()
FontMetrics	getFontMetrics(Font f)
Graphics2DLOD	getLOD()
float	getMaxScalingFactor()
float	getMinScalingFactor()
android.graphics.Canvas	getNativeGraphics2D()
float	getScalingFactor()
float	getScalingSensitivity()
StringAnchor	getStringAnchor()
Stroke	getStroke()
Transform2D	getTransform()
boolean	isXAxisInverted()
boolean	isYAxisInverted()
protected void	log(String message)
protected void	log(String message, Throwable exception)
float	logical2pixel_size(float l)
float	logical2pixel_x(float l)
float	logical2pixel_y(float l)
void	logical2pixel(Circle2f r)
void	logical2pixel(Ellipse2f e)
PathIterator2f	logical2pixel(PathIterator2f p)
void	logical2pixel(Point2f p)
void	logical2pixel(Rectangle2f r)
void	logical2pixel(RoundRectangle2f r)
void	logical2pixel(Segment2f s)
Shape2f	logical2pixel(Shape2f s)
protected void	paintString(String text, float x, float y, Shape2f clip)
float	pixel2logical_size(float l)
float	pixel2logical_x(float l)
float	pixel2logical_y(float l)
void	pixel2logical(Circle2f r)
void	pixel2logical(Ellipse2f e)
PathIterator2f	pixel2logical(PathIterator2f p)
void	pixel2logical(Point2f p)
void	pixel2logical(Rectangle2f r)
void	pixel2logical(RoundRectangle2f r)
void	pixel2logical(Segment2f s)
Shape2f	pixel2logical(Shape2f s)
void	reset()
protected void	resetPainters() Reset the painters to the default attribute values.
void	rotate(float theta)
void	scale(float sx, float sy)
void	setBackground(Color color)
void	setClip(Shape2f clip)
protected static void	setColor(android.graphics.Paint paint, Color color) Set the color of the given paint to the given color.
void	setComposite(Composite composite)
Color	setFillColor(Color color)
void	setFont(Font font)
void	setLOD(Graphics2DLOD lod) Change the LOD of the graphics2D.
Color	setOutlineColor(Color color)
void	setStroke(Stroke stroke)
Transform2D	setTransform(Transform2D Tx)
void	shear(float shx, float shy)
void	transform(Transform2D Tx)
void	translate(float tx, float ty)

Methods inherited from class org.arakhne.afc.ui.vector.AbstractVectorGraphics2D

computeTextPosition, drawDefaultImage, drawString, drawString, getDefaultFont, getFillColor, getInteriorText, getOutlineColor, getPaint, isInteriorPainted, isOutlineDrawn, paintString, postDrawing, preDrawing, setColors, setInteriorPainted, setInteriorText, setOutlineDrawn, setPaint

Methods inherited from class java.lang.Object

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

Field Detail

canvas

protected final android.graphics.Canvas canvas

Android canvas.

defaultBackground

protected final Color defaultBackground

Default color to draw the background.

See Also:

background

defaultLevelOfDetail

protected final Graphics2DLOD defaultLevelOfDetail

Default Level-of-Detail.

See Also:

levelOfDetail

levelOfDetail

protected Graphics2DLOD levelOfDetail

Current Level-of-Detail.

See Also:

defaultLevelOfDetail

fillPainter

protected android.graphics.Paint fillPainter

Android painter to use for filling the shapes.

linePainter

protected android.graphics.Paint linePainter

Android painter to use for drawing the outlines of the shapes.

fontPainter

protected android.graphics.Paint fontPainter

Android painter to use for drawing the texts.

background

protected Color background

Current background color.

See Also:

defaultBackground

scale

protected final float scale

Scaling factor to apply when drawing.

centeringTransform

protected final CenteringTransform centeringTransform

Transformation to apply to center the objects on the view.

tmpRect

protected final Rectangle2f tmpRect

Temp rectangle used in internal computations.

defaultFillColor

protected final Color defaultFillColor

Default color to fill the shapes.

See Also:

fillPainter

defaultLineColor

protected final Color defaultLineColor

Default color to outline the shapes.

See Also:

linePainter

scalingSensitivity

protected final float scalingSensitivity

Scaling sensitivity.

focusX

protected final float focusX

Coordinate of the point that is drawn at the center of the view.

focusY

protected final float focusY

Coordinate of the point that is drawn at the center of the view.

maxScale

protected final float maxScale

Maximal value for the scale factor.

minScale

protected final float minScale

Minimal value for the scale factor.

Constructor Detail

DroidZoomableGraphics2D

public DroidZoomableGraphics2D(android.graphics.Canvas canvas,
                       Color defaultFillColor,
                       Color defaultLineColor,
                       float scaleFactor,
                       CenteringTransform centeringTransform,
                       Color background,
                       boolean isAntiAlias,
                       float scalingSensitivity,
                       float focusX,
                       float focusY,
                       float minScaleFactor,
                       float maxScaleFactor)

Parameters:

canvas -

defaultFillColor - is the default color for filling.

defaultLineColor - is the default color for the lines.

scaleFactor - is the scaling factor to apply.

centeringTransform - is the transformation used to draw the objects at the center of the view.

background - is the background color.

isAntiAlias - indicates if antialiasing is used when drawing.

scalingSensitivity - is the sensitivity of the scaling actions.

focusX - is the coordinate of the focus point.

focusY - is the coordinate of the focus point.

minScaleFactor - is the minimal allowed scaling factor.

maxScaleFactor - is the maximal allowed scaling factor.

Method Detail

convertMatrix

public static Transform2D convertMatrix(android.graphics.Matrix m,
                        float scale)

Convert the droid matrix to Arakhne transformation matrix.

Parameters:

m - is the matrix to convert to a transformation.

scale - is the scaling factor to apply.

Returns:

the Arakhne transformation matrix.

convertTransformation

public static android.graphics.Matrix convertTransformation(Transform2D t,
                                            float scale)

Convert the Arakhne transformation matrix to droid matrix.

Parameters:

t - is the transformation to convert to a matrix.

scale - is the scaling factor to apply.

Returns:

droid matrix.

setColor

protected static void setColor(android.graphics.Paint paint,
            Color color)

Set the color of the given paint to the given color. This function tries the Android color objects that are able to represent a color (ARGB color, Drawable).

Parameters:

paint -

color -

getNativeGraphics2D

public android.graphics.Canvas getNativeGraphics2D()

Specified by:

getNativeGraphics2D in interface VectorGraphics2D

dispose

public void dispose()

Specified by:

dispose in interface VectorGraphics2D

Overrides:

dispose in class AbstractVectorGraphics2D

reset

public void reset()

Specified by:

reset in interface VectorGraphics2D

Overrides:

reset in class AbstractVectorGraphics2D

resetPainters

protected void resetPainters()

Reset the painters to the default attribute values.

log

protected void log(String message)

Overrides:

log in class AbstractVectorGraphics2D

log

protected void log(String message,
       Throwable exception)

Overrides:

log in class AbstractVectorGraphics2D

setOutlineColor

public Color setOutlineColor(Color color)

Specified by:

setOutlineColor in interface VectorGraphics2D

Overrides:

setOutlineColor in class AbstractVectorGraphics2D

setFillColor

public Color setFillColor(Color color)

Specified by:

setFillColor in interface VectorGraphics2D

Overrides:

setFillColor in class AbstractVectorGraphics2D

getLOD

public Graphics2DLOD getLOD()

Specified by:

getLOD in interface VectorGraphics2D

setLOD

public void setLOD(Graphics2DLOD lod)

Change the LOD of the graphics2D.

Parameters:

lod -

getStringAnchor

public StringAnchor getStringAnchor()

Specified by:

getStringAnchor in interface VectorGraphics2D

drawPoint

public void drawPoint(float x,
             float y)

Specified by:

drawPoint in interface VectorGraphics2D

getFont

public Font getFont()

Specified by:

getFont in interface VectorGraphics2D

setFont

public void setFont(Font font)

Specified by:

setFont in interface VectorGraphics2D

getFontMetrics

public FontMetrics getFontMetrics()

Specified by:

getFontMetrics in interface VectorGraphics2D

getFontMetrics

public FontMetrics getFontMetrics(Font f)

Specified by:

getFontMetrics in interface VectorGraphics2D

getClip

public Shape2f getClip()

Specified by:

getClip in interface VectorGraphics2D

setClip

public void setClip(Shape2f clip)

Specified by:

setClip in interface VectorGraphics2D

clip

public void clip(Shape2f clip)

Specified by:

clip in interface VectorGraphics2D

drawImage

public boolean drawImage(URL imageURL,
                Image img,
                float dx1,
                float dy1,
                float dx2,
                float dy2,
                int sx1,
                int sy1,
                int sx2,
                int sy2)

Specified by:

drawImage in interface VectorGraphics2D

drawImage

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

Specified by:

drawImage in interface VectorGraphics2D

clear

public void clear(Shape2f s)

Specified by:

clear in interface VectorGraphics2D

draw

public void draw(Shape2f s)

Specified by:

draw in interface VectorGraphics2D

paintString

protected void paintString(String text,
               float x,
               float y,
               Shape2f clip)

Specified by:

paintString in class AbstractVectorGraphics2D

translate

public void translate(float tx,
             float ty)

Specified by:

translate in interface VectorGraphics2D

scale

public void scale(float sx,
         float sy)

Specified by:

scale in interface VectorGraphics2D

rotate

public void rotate(float theta)

Specified by:

rotate in interface VectorGraphics2D

shear

public void shear(float shx,
         float shy)

Specified by:

shear in interface VectorGraphics2D

transform

public void transform(Transform2D Tx)

Specified by:

transform in interface VectorGraphics2D

setTransform

public Transform2D setTransform(Transform2D Tx)

Specified by:

setTransform in interface VectorGraphics2D

getTransform

public Transform2D getTransform()

Specified by:

getTransform in interface VectorGraphics2D

setBackground

public void setBackground(Color color)

Specified by:

setBackground in interface VectorGraphics2D

getBackground

public Color getBackground()

Specified by:

getBackground in interface VectorGraphics2D

setComposite

public void setComposite(Composite composite)

Specified by:

setComposite in interface VectorGraphics2D

getComposite

public Composite getComposite()

Specified by:

getComposite in interface VectorGraphics2D

setStroke

public void setStroke(Stroke stroke)

Specified by:

setStroke in interface VectorGraphics2D

getStroke

public Stroke getStroke()

Specified by:

getStroke in interface VectorGraphics2D

logical2pixel_size

public float logical2pixel_size(float l)

Specified by:

logical2pixel_size in interface ZoomableContext

logical2pixel_x

public float logical2pixel_x(float l)

Specified by:

logical2pixel_x in interface ZoomableContext

logical2pixel_y

public float logical2pixel_y(float l)

Specified by:

logical2pixel_y in interface ZoomableContext

pixel2logical_size

public float pixel2logical_size(float l)

Specified by:

pixel2logical_size in interface ZoomableContext

pixel2logical_x

public float pixel2logical_x(float l)

Specified by:

pixel2logical_x in interface ZoomableContext

pixel2logical_y

public float pixel2logical_y(float l)

Specified by:

pixel2logical_y in interface ZoomableContext

logical2pixel

public PathIterator2f logical2pixel(PathIterator2f p)

Specified by:

logical2pixel in interface ZoomableContext

pixel2logical

public PathIterator2f pixel2logical(PathIterator2f p)

Specified by:

pixel2logical in interface ZoomableContext

logical2pixel

public void logical2pixel(Segment2f s)

Specified by:

logical2pixel in interface ZoomableContext

pixel2logical

public void pixel2logical(Segment2f s)

Specified by:

pixel2logical in interface ZoomableContext

logical2pixel

public void logical2pixel(RoundRectangle2f r)

Specified by:

logical2pixel in interface ZoomableContext

pixel2logical

public void pixel2logical(RoundRectangle2f r)

Specified by:

pixel2logical in interface ZoomableContext

logical2pixel

public void logical2pixel(Point2f p)

Specified by:

logical2pixel in interface ZoomableContext

pixel2logical

public void pixel2logical(Point2f p)

Specified by:

pixel2logical in interface ZoomableContext

logical2pixel

public void logical2pixel(Ellipse2f e)

Specified by:

logical2pixel in interface ZoomableContext

pixel2logical

public void pixel2logical(Ellipse2f e)

Specified by:

pixel2logical in interface ZoomableContext

logical2pixel

public void logical2pixel(Circle2f r)

Specified by:

logical2pixel in interface ZoomableContext

pixel2logical

public void pixel2logical(Circle2f r)

Specified by:

pixel2logical in interface ZoomableContext

logical2pixel

public void logical2pixel(Rectangle2f r)

Specified by:

logical2pixel in interface ZoomableContext

pixel2logical

public void pixel2logical(Rectangle2f r)

Specified by:

pixel2logical in interface ZoomableContext

logical2pixel

public Shape2f logical2pixel(Shape2f s)

Specified by:

logical2pixel in interface ZoomableContext

pixel2logical

public Shape2f pixel2logical(Shape2f s)

Specified by:

pixel2logical in interface ZoomableContext

getScalingSensitivity

public float getScalingSensitivity()

Specified by:

getScalingSensitivity in interface ZoomableContext

getFocusX

public float getFocusX()

Specified by:

getFocusX in interface ZoomableContext

getFocusY

public float getFocusY()

Specified by:

getFocusY in interface ZoomableContext

getScalingFactor

public float getScalingFactor()

Specified by:

getScalingFactor in interface ZoomableContext

getMaxScalingFactor

public float getMaxScalingFactor()

Specified by:

getMaxScalingFactor in interface ZoomableContext

getMinScalingFactor

public float getMinScalingFactor()

Specified by:

getMinScalingFactor in interface ZoomableContext

isXAxisInverted

public boolean isXAxisInverted()

Specified by:

isXAxisInverted in interface ZoomableContext

isYAxisInverted

public boolean isYAxisInverted()

Specified by:

isYAxisInverted in interface ZoomableContext