Android获取网络图片的HSB值,HSBImageView--android--可以设置HSB值的imageview

忘是亡心i 2022-10-05 07:54 86阅读 0赞

packageguide.yunji.com.guide.view;importandroid.content.Context;importandroid.content.res.TypedArray;importandroid.graphics.ColorMatrix;importandroid.graphics.ColorMatrixColorFilter;importandroid.graphics.drawable.Drawable;importandroid.support.annotation.Nullable;importandroid.support.v7.widget.AppCompatImageView;importandroid.util.AttributeSet;importguide.yunji.com.guide.R;public class HSBImageView extendsAppCompatImageView \{private static ColorMatrix colorMatrix = newColorMatrix();/\*\*\* 色调，改变颜色\*/

private static ColorMatrix hueMatrix = newColorMatrix();/\*\*\* 饱和度，改变颜色的纯度\*/

private static ColorMatrix saturationMatrix = newColorMatrix();/\*\*\* 亮度，控制明暗\*/

private static ColorMatrix brightnessMatrix = newColorMatrix();private float hueValue =0f;private float saturationValue =1f;private float brightnessValue =1f;publicHSBImageView(Context context) \{super(context);

\}publicHSBImageView(Context context, AttributeSet attrs) \{this(context, attrs, 0);

\}public HSBImageView(Context context, AttributeSet attrs, intdefStyleAttr) \{super(context, attrs, defStyleAttr);

TypedArray array=context.obtainStyledAttributes(attrs, R.styleable.HSBImageView);

hueValue=array.getFloat(R.styleable.HSBImageView\_hueValue, 0f);

saturationValue=array.getFloat(R.styleable.HSBImageView\_saturationValue, 1f);

brightnessValue=array.getFloat(R.styleable.HSBImageView\_brightnessValue, 1f);

array.recycle();//释放资源

setHSB(hueValue, saturationValue, brightnessValue);

@Overridepublic void setImageResource(intresId) \{super.setImageResource(resId);

setHSB(hueValue, saturationValue, brightnessValue);

\}private void setHSB(float hueValue, float saturationValue, floatbrightnessValue) \{//设置色相，为0°和360的时候相当于原图

hueMatrix.reset();