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Added in API level 1
Summary: Ctors | Methods | Inherited Methods | [Expand All]

DrawableMarginSpan

public class DrawableMarginSpan
extends Object implements LeadingMarginSpan, LineHeightSpan

java.lang.Object
   ↳ android.text.style.DrawableMarginSpan

Summary

Public constructors
DrawableMarginSpan(Drawable b)
DrawableMarginSpan(Drawable b, int pad)

Public methods
void chooseHeight(CharSequence text, int start, int end, int istartv, int v, Paint.FontMetricsInt fm)
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)

呈现领先优势。
int getLeadingMargin(boolean first)

返回调整前导余量的金额。

Inherited methods
From class java.lang.Object
From interface android.text.style.LeadingMarginSpan
From interface android.text.style.LineHeightSpan

Public constructors

DrawableMarginSpan

Added in API level 1 
DrawableMarginSpan (Drawable b)

Parameters
b Drawable

DrawableMarginSpan

Added in API level 1 
DrawableMarginSpan (Drawable b, 
                int pad)

Parameters
b Drawable
pad int

Public methods

chooseHeight

Added in API level 1 
void chooseHeight (CharSequence text, 
                int start, 
                int end, 
                int istartv, 
                int v, 
                Paint.FontMetricsInt fm)

Parameters
text CharSequence
start int
end int
istartv int
v int
fm Paint.FontMetricsInt

drawLeadingMargin

Added in API level 1 
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)

呈现领先优势。 这在保证金被getLeadingMargin(boolean)返回的值调整之前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

getLeadingMargin

Added in API level 1 
int getLeadingMargin (boolean first)

返回调整前导余量的金额。 正值远离段落的前沿，负值趋向于它。

Parameters
first boolean: true if the request is for the first line of a paragraph, false for subsequent lines
Returns
int the offset for the margin.
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