com.alanapi.image.shader

类 ShaderHelper

java.lang.Object

com.alanapi.image.shader.ShaderHelper

直接已知子类:

BubbleShader, CircleShader, RoundedShader

public abstract class ShaderHelper
extends Object

字段概要

字段

限定符和类型	字段和说明
protected float	borderAlpha
protected int	borderColor
protected android.graphics.Paint	borderPaint
protected int	borderWidth
protected android.graphics.drawable.Drawable	drawable
protected android.graphics.Paint	imagePaint
protected android.graphics.Matrix	matrix
protected android.graphics.BitmapShader	shader
protected boolean	square
protected int	viewHeight
protected int	viewWidth

构造器概要

构造器

构造器和说明
ShaderHelper()

方法概要

限定符和类型	方法和说明
abstract void	calculate(int bitmapWidth, int bitmapHeight, float width, float height, float scale, float translateX, float translateY)
android.graphics.Bitmap	calculateDrawableSizes()
protected void	createShader()
protected int	dpToPx(android.util.DisplayMetrics displayMetrics, int dp)
abstract void	draw(android.graphics.Canvas canvas, android.graphics.Paint imagePaint, android.graphics.Paint borderPaint)
protected android.graphics.Bitmap	getBitmap()
protected android.graphics.Bitmap	getBitmapFromDrawable(android.graphics.drawable.Drawable drawable)
float	getBorderAlpha()
int	getBorderColor()
int	getBorderWidth()
void	init(android.content.Context context, android.util.AttributeSet attrs, int defStyle)
boolean	isSquare()
boolean	onDraw(android.graphics.Canvas canvas)
void	onImageDrawableReset(android.graphics.drawable.Drawable drawable)
void	onSizeChanged(int width, int height)
abstract void	reset()
void	setBorderAlpha(float borderAlpha)
void	setBorderColor(int borderColor)
void	setBorderWidth(int borderWidth)
void	setSquare(boolean square)

从类继承的方法 java.lang.Object

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

字段详细资料

viewWidth

protected int viewWidth

viewHeight

protected int viewHeight

borderColor

protected int borderColor

borderWidth

protected int borderWidth

borderAlpha

protected float borderAlpha

square

protected boolean square

borderPaint

protected final android.graphics.Paint borderPaint

imagePaint

protected final android.graphics.Paint imagePaint

shader

protected volatile android.graphics.BitmapShader shader

drawable

protected volatile android.graphics.drawable.Drawable drawable

matrix

protected final android.graphics.Matrix matrix

构造器详细资料

ShaderHelper

public ShaderHelper()

方法详细资料

draw

public abstract void draw(android.graphics.Canvas canvas,
                          android.graphics.Paint imagePaint,
                          android.graphics.Paint borderPaint)

reset

public abstract void reset()

calculate

public abstract void calculate(int bitmapWidth,
                               int bitmapHeight,
                               float width,
                               float height,
                               float scale,
                               float translateX,
                               float translateY)

dpToPx

protected final int dpToPx(android.util.DisplayMetrics displayMetrics,
                           int dp)

init

public void init(android.content.Context context,
                 android.util.AttributeSet attrs,
                 int defStyle)

onDraw

public boolean onDraw(android.graphics.Canvas canvas)

onSizeChanged

public void onSizeChanged(int width,
                          int height)

calculateDrawableSizes

public android.graphics.Bitmap calculateDrawableSizes()

onImageDrawableReset

public final void onImageDrawableReset(android.graphics.drawable.Drawable drawable)

createShader

protected void createShader()

getBitmap

protected android.graphics.Bitmap getBitmap()

getBitmapFromDrawable

protected android.graphics.Bitmap getBitmapFromDrawable(android.graphics.drawable.Drawable drawable)

getBorderColor

public final int getBorderColor()

setBorderColor

public final void setBorderColor(int borderColor)

getBorderWidth

public final int getBorderWidth()

setBorderWidth

public final void setBorderWidth(int borderWidth)

getBorderAlpha

public final float getBorderAlpha()

setBorderAlpha

public final void setBorderAlpha(float borderAlpha)

setSquare

public final void setSquare(boolean square)

isSquare

public final boolean isSquare()