DrawableMarginSpan
public
class
DrawableMarginSpan
extends Object
implements
LeadingMarginSpan,
LineHeightSpan
Summary
Public methods |
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void
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chooseHeight(CharSequence text, int start, int end, int istartv, int v, Paint.FontMetricsInt fm)
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void
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drawLeadingMargin(Canvas c, Paint p, int x, int dir, int top, int baseline, int bottom, CharSequence text, int start, int end, boolean first, Layout layout)
Renders the leading margin.
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int
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getLeadingMargin(boolean first)
Returns the amount by which to adjust the leading margin.
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Inherited methods |
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 From
class
java.lang.Object
Object
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clone()
Creates and returns a copy of this object.
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boolean
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equals(Object obj)
Indicates whether some other object is "equal to" this one.
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void
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finalize()
Called by the garbage collector on an object when garbage collection
determines that there are no more references to the object.
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final
Class<?>
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getClass()
Returns the runtime class of this Object.
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int
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hashCode()
Returns a hash code value for the object.
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final
void
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notify()
Wakes up a single thread that is waiting on this object's
monitor.
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final
void
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notifyAll()
Wakes up all threads that are waiting on this object's monitor.
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String
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toString()
Returns a string representation of the object.
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final
void
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wait(long millis, int nanos)
Causes the current thread to wait until another thread invokes the
notify() method or the
notifyAll() method for this object, or
some other thread interrupts the current thread, or a certain
amount of real time has elapsed.
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final
void
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wait(long millis)
Causes the current thread to wait until either another thread invokes the
notify() method or the
notifyAll() method for this object, or a
specified amount of time has elapsed.
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final
void
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wait()
Causes the current thread to wait until another thread invokes the
notify() method or the
notifyAll() method for this object.
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From
interface
android.text.style.LeadingMarginSpan
abstract
void
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drawLeadingMargin(Canvas c, Paint p, int x, int dir, int top, int baseline, int bottom, CharSequence text, int start, int end, boolean first, Layout layout)
Renders the leading margin.
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abstract
int
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getLeadingMargin(boolean first)
Returns the amount by which to adjust the leading margin.
|
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From
interface
android.text.style.LineHeightSpan
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Public constructors
DrawableMarginSpan
DrawableMarginSpan (Drawable b)
DrawableMarginSpan
DrawableMarginSpan (Drawable b,
int pad)
| Parameters |
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b |
Drawable
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pad |
int
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Public methods
chooseHeight
void chooseHeight (CharSequence text,
int start,
int end,
int istartv,
int v,
Paint.FontMetricsInt fm)
| Parameters |
|---|
text |
CharSequence
|
start |
int
|
end |
int
|
istartv |
int
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v |
int
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fm |
Paint.FontMetricsInt
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drawLeadingMargin
void drawLeadingMargin (Canvas c,
Paint p,
int x,
int dir,
int top,
int baseline,
int bottom,
CharSequence text,
int start,
int end,
boolean first,
Layout layout)
Renders the leading margin. This is called before the margin has been
adjusted by the value returned by getLeadingMargin(boolean).
| Parameters |
|---|
c |
Canvas:
the canvas |
p |
Paint:
the paint. The this should be left unchanged on exit. |
x |
int:
the current position of the margin |
dir |
int:
the base direction of the paragraph; if negative, the margin
is to the right of the text, otherwise it is to the left. |
top |
int:
the top of the line |
baseline |
int:
the baseline of the line |
bottom |
int:
the bottom of the line |
text |
CharSequence:
the text |
start |
int:
the start of the line |
end |
int:
the end of the line |
first |
boolean:
true if this is the first line of its paragraph |
layout |
Layout:
the layout containing this line
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getLeadingMargin
int getLeadingMargin (boolean first)
Returns the amount by which to adjust the leading margin. Positive values
move away from the leading edge of the paragraph, negative values move
towards it.
| Parameters |
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first |
boolean:
true if the request is for the first line of a paragraph,
false for subsequent lines |
| Returns |
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int |
the offset for the margin.
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Developers