| java.lang.Object |
| ↳ |
com.htc.painting.engine.stroke.Stroke |
Known Direct Subclasses
|
Class Overview
A Stroke is a drawing that is generated when a user touches, moves, and
leaves the screen. The user can touch the screen either by hand or by a pen.
A Stroke is represented by a path and other informations that determines the
drawing texture.
Summary
| Public Constructors |
|
|
Stroke(int id)
Constructor os an stroke
|
|
|
Stroke(int id, ByteArrayInputStream is)
Constructor of an stroke
|
|
|
Stroke(int id, StrokeProperties property)
Constructor of a Stroke.
|
| Public Methods |
|
abstract
int
|
deserialize(ByteArrayInputStream is)
|
|
final
void
|
destroy()
|
|
void
|
draw(Canvas canvas, int startIndex, int endIndex)
if stroke support partial render.
|
|
abstract
void
|
draw(Canvas canvas)
|
|
final
void
|
end(Canvas canvas, RectF dirtyRect)
|
|
long
|
getCreationTime()
creation time of stroke
|
|
int
|
getId()
getter function for the Stroke's id
|
|
List<MotionPoint>
|
getMotionPoints()
Get sequence of MotionPoint
|
|
Path
|
getPath()
Get path of the Stroke
|
|
StrokeProperties
|
getProperties()
Get the StrokeProperties of the Stroke
|
|
RectF
|
getRect()
Get Bounding Rect of Stroke
|
|
int
|
getTotalBytes()
if stroke could provide memory information,
override this function
|
|
boolean
|
isDestroyed()
Indicates whether this Stroke is destroyed
|
|
boolean
|
isEffective()
Indicates whether this Stroke is effective
|
|
final
void
|
move(Canvas canvas, float x, float y, float pressure, float size, RectF dirtyRect)
|
|
abstract
boolean
|
serialize(ByteArrayOutputStream os)
|
|
void
|
setEffective(boolean effective)
mark this Stroke to be effective or ineffective
|
|
final
void
|
start(Canvas canvas, RectF dirtyRect)
|
|
void
|
transform(Matrix m)
|
| Protected Methods |
|
boolean
|
filterOutPoint(float preX, float preY, float currentX, float currentY)
Given previous and current points to decide filter out point or not
|
|
void
|
onDestroy()
Implement this to customized your own data
|
|
void
|
onEnd(Canvas canvas, RectF dirtyRect)
Implement this to customized your own data
|
|
void
|
onMove(Canvas canvas, float x, float y, float pressure, float size, RectF dirtyRect)
Implement this to customized your own data
|
|
void
|
onStart(Canvas canvas, RectF dirtyRect)
Implement this to customized your own data
|
|
void
|
setStrokeId(int id)
|
|
void
|
updateBoundingRect(RectF dirtyRect)
|
|
[Expand]
Inherited Methods |
From class
java.lang.Object
|
Object
|
clone()
|
|
boolean
|
equals(Object arg0)
|
|
void
|
finalize()
|
|
final
Class<?>
|
getClass()
|
|
int
|
hashCode()
|
|
final
void
|
notify()
|
|
final
void
|
notifyAll()
|
|
String
|
toString()
|
|
final
void
|
wait()
|
|
final
void
|
wait(long arg0, int arg1)
|
|
final
void
|
wait(long arg0)
|
|
Constants
public
static
final
int
INVALID_STROKE_ID
Constant Value:
-2147483648
(0x80000000)
Fields
protected
long
mCreationTime
protected
boolean
mIsDestroyed
protected
boolean
mIsEffective
Public Constructors
public
Stroke
(int id, ByteArrayInputStream is)
Parameters
| id
| the id of the Stroke |
| is
| an intput stream that provides the data to convert to a Stroke
|
public
Stroke
(int id, StrokeProperties property)
Parameters
| id
| the id of the Stroke |
| property
| the StrokeProperties of with this Stroke
|
Public Methods
public
abstract
int
deserialize
(ByteArrayInputStream is)
public
final
void
destroy
()
public
void
draw
(Canvas canvas, int startIndex, int endIndex)
if stroke support partial render.
override this function
public
abstract
void
draw
(Canvas canvas)
public
final
void
end
(Canvas canvas, RectF dirtyRect)
public
long
getCreationTime
()
public
int
getId
()
getter function for the Stroke's id
public
List<MotionPoint>
getMotionPoints
()
Get sequence of MotionPoint
Get the StrokeProperties of the Stroke
Returns
- the StrokeProperties of the Stroke
public
RectF
getRect
()
Get Bounding Rect of Stroke
public
int
getTotalBytes
()
if stroke could provide memory information,
override this function
public
boolean
isDestroyed
()
Indicates whether this Stroke is destroyed
Returns
- true if the Stroke is destroyed, false otherwise.
public
boolean
isEffective
()
Indicates whether this Stroke is effective
Returns
- true if the Stroke is effective, false otherwise.
public
final
void
move
(Canvas canvas, float x, float y, float pressure, float size, RectF dirtyRect)
public
abstract
boolean
serialize
(ByteArrayOutputStream os)
public
void
setEffective
(boolean effective)
mark this Stroke to be effective or ineffective
Parameters
| effective
| true to mark Stroke effective, false otherwise
|
public
final
void
start
(Canvas canvas, RectF dirtyRect)
public
void
transform
(Matrix m)
Protected Methods
protected
boolean
filterOutPoint
(float preX, float preY, float currentX, float currentY)
Given previous and current points to decide filter out point or not
Parameters
| preX
| x of previous point |
| preY
| y of previous point |
| currentX
| x of current point |
| currentY
| y of current point |
Returns
- true to filter out current point
protected
void
onDestroy
()
Implement this to customized your own data
protected
void
onEnd
(Canvas canvas, RectF dirtyRect)
Implement this to customized your own data
protected
void
onMove
(Canvas canvas, float x, float y, float pressure, float size, RectF dirtyRect)
Implement this to customized your own data
protected
void
onStart
(Canvas canvas, RectF dirtyRect)
Implement this to customized your own data
protected
void
setStrokeId
(int id)
protected
void
updateBoundingRect
(RectF dirtyRect)