Packages

Methods in class: Svg, package: com.appaapps

Structured Vector Graphics. Svg elements occupy fractions of the canvas which is assumed to have the approximate aspect ratio specified when creating the Svg. The elements then try to fit themselves into their fractional areas as best they can.

Returns	Method	Signature	Attributes	Description
	Svg	void	public	A default square Svg
	Svg	float, float	public	Create an Svg with the specified aspect ratio.
float	getWidth	void	public	The width of the Svg
float	getHeight	void	public	The height of the Svg
float	aspectRatio	void	public	Aspect ratio
void	push	Element	public	Add an element to the stack of elements to be displayed
void	onShow	void	public	Called when this Svg is shown or reshown after some other Svg has been shown
void	draw	Canvas	public	Draw the Svg to cover an entire canvas
void	draw	Canvas, float, float, float, float	private	Draw the Svg on a canvas at a specified location
boolean	chooseDoubleMode	void		Choose either a single or a double gradient
float	chooseStartAngle	void		Choose a start angle between 0 and 180 degrees
PorterDuffXfermode	choosePorterDuffMode	void		Choose Porter=Duff blending method
Rectangle	Rectangle	float, float, float, float		Create and push a rectangle
Text	Text	String, float, float, float, float, int, int	public	Create and push a new text element

Svg :

A default square Svg

Svg :

Create an Svg with the specified aspect ratio.

Parameters:

Name	Type	Attributes	Description
width	float	final	The width of the Svg
height	float	final	The height of the Svg

getWidth : float

The width of the Svg

getHeight : float

The height of the Svg

aspectRatio : float

Aspect ratio

push : void

Add an element to the stack of elements to be displayed

Parameters:

Name	Type	Attributes	Description
e	Element		the element to add

onShow : void

Called when this Svg is shown or reshown after some other Svg has been shown

draw : void

Draw the Svg to cover an entire canvas

Parameters:

Name	Type	Attributes	Description
canvas	Canvas	final	Canvas to draw on

draw : void

Draw the Svg on a canvas at a specified location

Parameters:

Name	Type	Attributes	Description
canvas	Canvas	final	Canvas to draw svg on
x	float	final	Left edge
y	float	final	Upper edge
w	float	final	Width
h	float	final	Height

chooseDoubleMode : boolean

Choose either a single or a double gradient

chooseStartAngle : float

Choose a start angle between 0 and 180 degrees

choosePorterDuffMode : PorterDuffXfermode

Choose Porter=Duff blending method

Rectangle : Rectangle

Create and push a rectangle

Parameters:

Name	Type	Attributes	Description
x	float	final	Fractional position - left
y	float	final	Fractional position - upper
𝘅	float	final	Fractional position - right
𝘆	float	final	Fractional position - lower

Text : Text

Create and push a new text element

Parameters:

Name	Type	Attributes	Description
text	String	final	The text to display
x	float	final	Fractional area in which to display the text - left
y	float	final	Fractional area in which to display the text - upper
𝘅	float	final	Fractional area in which to display the text - right
𝘆	float	final	Fractional area in which to display the text - lower
justifyX	int	final	Justification in x per: com.appaapps.LayoutText
justifyY	int	final	Justification in y per: com.appaapps.LayoutText

Methods in class: Svg.AFewChars, package: com.appaapps

Draw a path - typically to show a few chars for an alphabetic or numbers game

Returns	Method	Signature	Attributes	Description

Methods in class: Svg.AngleTracker, package: com.appaapps

Track angles

Returns	Method	Signature	Attributes	Description
float	angle	void		Current value in degrees

angle : float

Current value in degrees

Methods in class: Svg.CenterToCenter, package: com.appaapps

Animation which expands an element its center is over the centre of the canvas

Returns	Method	Signature	Attributes	Description
CenterToCenter	CenterToCenter	double, double, double	public constructor	Create a center to center animation
CenterToCenter	CenterToCenter	CenterToCenter	public constructor	Clone a prior animation
Float	active	void	public	Get fraction of animation
void	scaleCanvas	Canvas, RectF	public	Apply scale to the canvas if scaling is active for this element
void	scaleRectangle	Canvas, RectF	public	Apply scale to the canvas if the element scale effect is active
void	onActivate	void	public	Called when this animation becomes active

active : Float

Get fraction of animation

scaleCanvas : void

Apply scale to the canvas if scaling is active for this element

Parameters:

Name	Type	Attributes	Description
canvas	Canvas		Canvas to which s calling is to be applied
drawArea	RectF		Drawing area

scaleRectangle : void

Apply scale to the canvas if the element scale effect is active

Parameters:

Name	Type	Attributes	Description
canvas	Canvas		Canvas to be scaled
drawArea	RectF		Apply scale to the canvas if active

onActivate : void

Called when this animation becomes active

Methods in class: Svg.Element, package: com.appaapps

Common features

Returns	Method	Signature	Attributes	Description
Element	Element	void	constructor	Add the new element to the stack of elements - which means that elements must be created in draw order and that element grouping within an Svg is unavailable, we could of course have an Svg.Sub that references a sub svg.
Paint	getGradientPaint	float, float, int, int, float, AngleTracker, LengthTracker, OpacityTracker	private	Return a paint for a gradient
Paint	getHorizontalPaint	float	private	Return a paint for the horizontal gradient
Paint	getVerticalPaint	float	private	Return a paint for the vertical gradient
void	draw	Canvas, Paint	abstract	The element draws itself on the supplied canvas using the supplied paint
void	draw	Canvas		Draw the SVG on a canvas
boolean	contains	float, float	public	Does this element contain the point (x, y)?
void	setCenterToCenter	CenterToCenter	public	Set Center To Center animation for this element

draw : void

The element draws itself on the supplied canvas using the supplied paint

Parameters:

Name	Type	Attributes	Description
canvas	Canvas	final	Canvas on which the element would be drawn
paint	Paint		Paint to draw the element

draw : void

Draw the SVG on a canvas

Parameters:

Name	Type	Attributes	Description
canvas	Canvas	final	Canvas to draw on

contains : boolean

Does this element contain the point (x, y)?

Parameters:

Name	Type	Attributes	Description
x	float		Point.X
y	float		Point.Y

setCenterToCenter : void

Set Center To Center animation for this element

Parameters:

Name	Type	Attributes	Description
c	CenterToCenter		Animation to use

Methods in class: Svg.Image, package: com.appaapps

Draw a bitmap image - move it around to show it all within the space available

Returns	Method	Signature	Attributes	Description
Image	Image	Bitmap, float, float, float, float	public constructor	Fraction coordinates of corners of drawing area

Methods in class: Svg.LengthTracker, package: com.appaapps

Track length

Returns	Method	Signature	Attributes	Description
float	length	void		Current value in pixels

length : float

Current value in pixels

Methods in class: Svg.LowPassFilter, package: com.appaapps

Low pass filter

Returns	Method	Signature	Attributes	Description
LowPassFilter	LowPassFilter	double	constructor	Create a low pass filter
double	value	double	public	Value of applied value after passing through low pass filter

value : double

Value of applied value after passing through low pass filter

Parameters:

Name	Type	Attributes	Description
applied	double		Applied signal

Methods in class: Svg.OpacityTracker, package: com.appaapps

Track opacity

Returns	Method	Signature	Attributes	Description
int	opacity	void	public	Current value as opacity

opacity : int

Current value as opacity

Methods in class: Svg.RandomStep, package: com.appaapps

Random step function (x=time, y=position) with each step chosen at random between -1 and 1, each step duration chosen at random between 0 and timeScale

Returns	Method	Signature	Attributes	Description
double	value	void	public	Value of random step

value : double

Value of random step

Methods in class: Svg.Rectangle, package: com.appaapps

Rectangle

Returns	Method	Signature	Attributes	Description
Rectangle	Rectangle	float, float, float, float	public constructor	Create a rectangle
void	draw	void		See Draw the rectangle

draw : void

Methods in class: Svg.Text, package: com.appaapps

Text

Returns	Method	Signature	Attributes	Description
Text	Text	String, float, float, float, float, int, int	public constructor	Create a text area
void	draw	void		See Draw the text

draw : void

Methods in class: Svg.Tracker, package: com.appaapps

Generates random but smoothly varying numbers between -1 and +1 by filtering random shocks.

Returns	Method	Signature	Attributes	Description
double	value	void		Value of tracker

value : double

Value of tracker