com.hjq.shape.other

Class LinearGradientFontSpan

java.lang.Object

android.text.style.CharacterStyle

android.text.style.MetricAffectingSpan

android.text.style.ReplacementSpan

com.hjq.shape.other.LinearGradientFontSpan

All Implemented Interfaces:

android.text.style.UpdateAppearance, android.text.style.UpdateLayout

public class LinearGradientFontSpan
extends android.text.style.ReplacementSpan

author : Android 轮子哥 github : https://github.com/getActivity/ShapeView time : 2021/08/17 desc : 支持直接定义文本渐变色的 Span

Field Summary

Fields

Modifier and Type	Field and Description
static int	GRADIENT_ORIENTATION_HORIZONTAL 水平渐变方向
static int	GRADIENT_ORIENTATION_VERTICAL 垂直渐变方向

Constructor Summary

Constructors

Constructor and Description
LinearGradientFontSpan()

Method Summary

Modifier and Type	Method and Description
static android.text.SpannableStringBuilder	buildLinearGradientSpannable(java.lang.CharSequence text, int[] colors, float[] positions, int orientation) 构建一个文字渐变色的 Spannable 对象
void	draw(android.graphics.Canvas canvas, java.lang.CharSequence text, int start, int end, float x, int top, int y, int bottom, android.graphics.Paint paint)
int	getSize(android.graphics.Paint paint, java.lang.CharSequence text, int start, int end, android.graphics.Paint.FontMetricsInt fontMetricsInt)
LinearGradientFontSpan	setTextGradientColor(int[] colors)
LinearGradientFontSpan	setTextGradientOrientation(int orientation)
LinearGradientFontSpan	setTextGradientPositions(float[] positions)

Methods inherited from class android.text.style.ReplacementSpan

updateDrawState, updateMeasureState

Methods inherited from class android.text.style.MetricAffectingSpan

getUnderlying

Methods inherited from class android.text.style.CharacterStyle

wrap

Methods inherited from class java.lang.Object

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

Field Detail

GRADIENT_ORIENTATION_HORIZONTAL

public static final int GRADIENT_ORIENTATION_HORIZONTAL

水平渐变方向

See Also:

Constant Field Values

GRADIENT_ORIENTATION_VERTICAL

public static final int GRADIENT_ORIENTATION_VERTICAL

垂直渐变方向

See Also:

Constant Field Values

Constructor Detail

LinearGradientFontSpan

public LinearGradientFontSpan()

Method Detail

buildLinearGradientSpannable

public static android.text.SpannableStringBuilder buildLinearGradientSpannable(java.lang.CharSequence text,
                                                                               int[] colors,
                                                                               float[] positions,
                                                                               int orientation)

构建一个文字渐变色的 Spannable 对象

getSize

public int getSize(android.graphics.Paint paint,
                   java.lang.CharSequence text,
                   int start,
                   int end,
                   android.graphics.Paint.FontMetricsInt fontMetricsInt)

Specified by:

getSize in class android.text.style.ReplacementSpan

draw

public void draw(android.graphics.Canvas canvas,
                 java.lang.CharSequence text,
                 int start,
                 int end,
                 float x,
                 int top,
                 int y,
                 int bottom,
                 android.graphics.Paint paint)

Specified by:

draw in class android.text.style.ReplacementSpan

setTextGradientOrientation

public LinearGradientFontSpan setTextGradientOrientation(int orientation)

setTextGradientColor

public LinearGradientFontSpan setTextGradientColor(int[] colors)

setTextGradientPositions

public LinearGradientFontSpan setTextGradientPositions(float[] positions)