308 lines
		
	
	
		
			12 KiB
		
	
	
	
		
			Java
		
	
	
	
	
	
			
		
		
	
	
			308 lines
		
	
	
		
			12 KiB
		
	
	
	
		
			Java
		
	
	
	
	
	
| package androidx.cardview.widget;
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| 
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| import android.content.res.ColorStateList;
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| import android.content.res.Resources;
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| import android.graphics.Canvas;
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| import android.graphics.ColorFilter;
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| import android.graphics.LinearGradient;
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| import android.graphics.Paint;
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| import android.graphics.Path;
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| import android.graphics.RadialGradient;
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| import android.graphics.Rect;
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| import android.graphics.RectF;
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| import android.graphics.Shader;
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| import android.graphics.drawable.Drawable;
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| import androidx.cardview.R;
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| 
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| /* loaded from: classes.dex */
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| class RoundRectDrawableWithShadow extends Drawable {
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|     private static final double COS_45 = Math.cos(Math.toRadians(45.0d));
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|     private static final float SHADOW_MULTIPLIER = 1.5f;
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|     static RoundRectHelper sRoundRectHelper;
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|     private ColorStateList mBackground;
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|     private final RectF mCardBounds;
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|     private float mCornerRadius;
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|     private Paint mCornerShadowPaint;
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|     private Path mCornerShadowPath;
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|     private Paint mEdgeShadowPaint;
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|     private final int mInsetShadow;
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|     private float mRawMaxShadowSize;
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|     private float mRawShadowSize;
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|     private final int mShadowEndColor;
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|     private float mShadowSize;
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|     private final int mShadowStartColor;
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|     private boolean mDirty = true;
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|     private boolean mAddPaddingForCorners = true;
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|     private boolean mPrintedShadowClipWarning = false;
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|     private Paint mPaint = new Paint(5);
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| 
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|     interface RoundRectHelper {
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|         void drawRoundRect(Canvas canvas, RectF rectF, float f, Paint paint);
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|     }
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| 
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|     static float calculateHorizontalPadding(float f, float f2, boolean z) {
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|         return z ? (float) (f + ((1.0d - COS_45) * f2)) : f;
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|     }
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| 
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|     static float calculateVerticalPadding(float f, float f2, boolean z) {
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|         return z ? (float) ((f * SHADOW_MULTIPLIER) + ((1.0d - COS_45) * f2)) : f * SHADOW_MULTIPLIER;
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|     }
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| 
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|     ColorStateList getColor() {
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|         return this.mBackground;
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|     }
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| 
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|     float getCornerRadius() {
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|         return this.mCornerRadius;
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|     }
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| 
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|     float getMaxShadowSize() {
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|         return this.mRawMaxShadowSize;
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|     }
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| 
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|     @Override // android.graphics.drawable.Drawable
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|     public int getOpacity() {
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|         return -3;
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|     }
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| 
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|     float getShadowSize() {
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|         return this.mRawShadowSize;
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|     }
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| 
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|     RoundRectDrawableWithShadow(Resources resources, ColorStateList colorStateList, float f, float f2, float f3) {
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|         this.mShadowStartColor = resources.getColor(R.color.cardview_shadow_start_color);
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|         this.mShadowEndColor = resources.getColor(R.color.cardview_shadow_end_color);
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|         this.mInsetShadow = resources.getDimensionPixelSize(R.dimen.cardview_compat_inset_shadow);
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|         setBackground(colorStateList);
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|         Paint paint = new Paint(5);
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|         this.mCornerShadowPaint = paint;
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|         paint.setStyle(Paint.Style.FILL);
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|         this.mCornerRadius = (int) (f + 0.5f);
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|         this.mCardBounds = new RectF();
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|         Paint paint2 = new Paint(this.mCornerShadowPaint);
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|         this.mEdgeShadowPaint = paint2;
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|         paint2.setAntiAlias(false);
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|         setShadowSize(f2, f3);
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|     }
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| 
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|     private void setBackground(ColorStateList colorStateList) {
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|         if (colorStateList == null) {
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|             colorStateList = ColorStateList.valueOf(0);
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|         }
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|         this.mBackground = colorStateList;
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|         this.mPaint.setColor(colorStateList.getColorForState(getState(), this.mBackground.getDefaultColor()));
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|     }
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| 
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|     private int toEven(float f) {
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|         int i = (int) (f + 0.5f);
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|         return i % 2 == 1 ? i - 1 : i;
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|     }
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| 
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|     void setAddPaddingForCorners(boolean z) {
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|         this.mAddPaddingForCorners = z;
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|         invalidateSelf();
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|     }
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| 
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|     @Override // android.graphics.drawable.Drawable
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|     public void setAlpha(int i) {
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|         this.mPaint.setAlpha(i);
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|         this.mCornerShadowPaint.setAlpha(i);
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|         this.mEdgeShadowPaint.setAlpha(i);
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|     }
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| 
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|     @Override // android.graphics.drawable.Drawable
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|     protected void onBoundsChange(Rect rect) {
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|         super.onBoundsChange(rect);
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|         this.mDirty = true;
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|     }
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| 
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|     private void setShadowSize(float f, float f2) {
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|         if (f < 0.0f) {
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|             throw new IllegalArgumentException("Invalid shadow size " + f + ". Must be >= 0");
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|         }
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|         if (f2 < 0.0f) {
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|             throw new IllegalArgumentException("Invalid max shadow size " + f2 + ". Must be >= 0");
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|         }
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|         float even = toEven(f);
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|         float even2 = toEven(f2);
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|         if (even > even2) {
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|             if (!this.mPrintedShadowClipWarning) {
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|                 this.mPrintedShadowClipWarning = true;
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|             }
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|             even = even2;
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|         }
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|         if (this.mRawShadowSize == even && this.mRawMaxShadowSize == even2) {
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|             return;
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|         }
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|         this.mRawShadowSize = even;
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|         this.mRawMaxShadowSize = even2;
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|         this.mShadowSize = (int) ((even * SHADOW_MULTIPLIER) + this.mInsetShadow + 0.5f);
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|         this.mDirty = true;
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|         invalidateSelf();
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|     }
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| 
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|     @Override // android.graphics.drawable.Drawable
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|     public boolean getPadding(Rect rect) {
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|         int ceil = (int) Math.ceil(calculateVerticalPadding(this.mRawMaxShadowSize, this.mCornerRadius, this.mAddPaddingForCorners));
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|         int ceil2 = (int) Math.ceil(calculateHorizontalPadding(this.mRawMaxShadowSize, this.mCornerRadius, this.mAddPaddingForCorners));
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|         rect.set(ceil2, ceil, ceil2, ceil);
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|         return true;
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|     }
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| 
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|     @Override // android.graphics.drawable.Drawable
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|     protected boolean onStateChange(int[] iArr) {
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|         ColorStateList colorStateList = this.mBackground;
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|         int colorForState = colorStateList.getColorForState(iArr, colorStateList.getDefaultColor());
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|         if (this.mPaint.getColor() == colorForState) {
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|             return false;
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|         }
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|         this.mPaint.setColor(colorForState);
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|         this.mDirty = true;
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|         invalidateSelf();
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|         return true;
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|     }
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| 
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|     @Override // android.graphics.drawable.Drawable
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|     public boolean isStateful() {
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|         ColorStateList colorStateList = this.mBackground;
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|         return (colorStateList != null && colorStateList.isStateful()) || super.isStateful();
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|     }
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| 
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|     @Override // android.graphics.drawable.Drawable
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|     public void setColorFilter(ColorFilter colorFilter) {
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|         this.mPaint.setColorFilter(colorFilter);
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|     }
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| 
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|     void setCornerRadius(float f) {
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|         if (f < 0.0f) {
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|             throw new IllegalArgumentException("Invalid radius " + f + ". Must be >= 0");
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|         }
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|         float f2 = (int) (f + 0.5f);
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|         if (this.mCornerRadius == f2) {
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|             return;
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|         }
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|         this.mCornerRadius = f2;
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|         this.mDirty = true;
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|         invalidateSelf();
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|     }
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| 
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|     @Override // android.graphics.drawable.Drawable
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|     public void draw(Canvas canvas) {
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|         if (this.mDirty) {
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|             buildComponents(getBounds());
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|             this.mDirty = false;
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|         }
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|         canvas.translate(0.0f, this.mRawShadowSize / 2.0f);
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|         drawShadow(canvas);
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|         canvas.translate(0.0f, (-this.mRawShadowSize) / 2.0f);
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|         sRoundRectHelper.drawRoundRect(canvas, this.mCardBounds, this.mCornerRadius, this.mPaint);
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|     }
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| 
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|     private void drawShadow(Canvas canvas) {
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|         float f = this.mCornerRadius;
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|         float f2 = (-f) - this.mShadowSize;
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|         float f3 = f + this.mInsetShadow + (this.mRawShadowSize / 2.0f);
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|         float f4 = f3 * 2.0f;
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|         boolean z = this.mCardBounds.width() - f4 > 0.0f;
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|         boolean z2 = this.mCardBounds.height() - f4 > 0.0f;
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|         int save = canvas.save();
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|         canvas.translate(this.mCardBounds.left + f3, this.mCardBounds.top + f3);
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|         canvas.drawPath(this.mCornerShadowPath, this.mCornerShadowPaint);
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|         if (z) {
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|             canvas.drawRect(0.0f, f2, this.mCardBounds.width() - f4, -this.mCornerRadius, this.mEdgeShadowPaint);
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|         }
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|         canvas.restoreToCount(save);
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|         int save2 = canvas.save();
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|         canvas.translate(this.mCardBounds.right - f3, this.mCardBounds.bottom - f3);
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|         canvas.rotate(180.0f);
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|         canvas.drawPath(this.mCornerShadowPath, this.mCornerShadowPaint);
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|         if (z) {
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|             canvas.drawRect(0.0f, f2, this.mCardBounds.width() - f4, (-this.mCornerRadius) + this.mShadowSize, this.mEdgeShadowPaint);
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|         }
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|         canvas.restoreToCount(save2);
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|         int save3 = canvas.save();
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|         canvas.translate(this.mCardBounds.left + f3, this.mCardBounds.bottom - f3);
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|         canvas.rotate(270.0f);
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|         canvas.drawPath(this.mCornerShadowPath, this.mCornerShadowPaint);
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|         if (z2) {
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|             canvas.drawRect(0.0f, f2, this.mCardBounds.height() - f4, -this.mCornerRadius, this.mEdgeShadowPaint);
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|         }
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|         canvas.restoreToCount(save3);
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|         int save4 = canvas.save();
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|         canvas.translate(this.mCardBounds.right - f3, this.mCardBounds.top + f3);
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|         canvas.rotate(90.0f);
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|         canvas.drawPath(this.mCornerShadowPath, this.mCornerShadowPaint);
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|         if (z2) {
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|             canvas.drawRect(0.0f, f2, this.mCardBounds.height() - f4, -this.mCornerRadius, this.mEdgeShadowPaint);
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|         }
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|         canvas.restoreToCount(save4);
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|     }
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| 
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|     private void buildShadowCorners() {
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|         float f = this.mCornerRadius;
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|         RectF rectF = new RectF(-f, -f, f, f);
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|         RectF rectF2 = new RectF(rectF);
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|         float f2 = this.mShadowSize;
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|         rectF2.inset(-f2, -f2);
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|         Path path = this.mCornerShadowPath;
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|         if (path == null) {
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|             this.mCornerShadowPath = new Path();
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|         } else {
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|             path.reset();
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|         }
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|         this.mCornerShadowPath.setFillType(Path.FillType.EVEN_ODD);
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|         this.mCornerShadowPath.moveTo(-this.mCornerRadius, 0.0f);
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|         this.mCornerShadowPath.rLineTo(-this.mShadowSize, 0.0f);
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|         this.mCornerShadowPath.arcTo(rectF2, 180.0f, 90.0f, false);
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|         this.mCornerShadowPath.arcTo(rectF, 270.0f, -90.0f, false);
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|         this.mCornerShadowPath.close();
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|         float f3 = this.mCornerRadius;
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|         float f4 = f3 / (this.mShadowSize + f3);
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|         Paint paint = this.mCornerShadowPaint;
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|         float f5 = this.mCornerRadius + this.mShadowSize;
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|         int i = this.mShadowStartColor;
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|         paint.setShader(new RadialGradient(0.0f, 0.0f, f5, new int[]{i, i, this.mShadowEndColor}, new float[]{0.0f, f4, 1.0f}, Shader.TileMode.CLAMP));
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|         Paint paint2 = this.mEdgeShadowPaint;
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|         float f6 = this.mCornerRadius;
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|         float f7 = this.mShadowSize;
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|         float f8 = (-f6) + f7;
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|         float f9 = (-f6) - f7;
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|         int i2 = this.mShadowStartColor;
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|         paint2.setShader(new LinearGradient(0.0f, f8, 0.0f, f9, new int[]{i2, i2, this.mShadowEndColor}, new float[]{0.0f, 0.5f, 1.0f}, Shader.TileMode.CLAMP));
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|         this.mEdgeShadowPaint.setAntiAlias(false);
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|     }
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| 
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|     private void buildComponents(Rect rect) {
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|         float f = this.mRawMaxShadowSize * SHADOW_MULTIPLIER;
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|         this.mCardBounds.set(rect.left + this.mRawMaxShadowSize, rect.top + f, rect.right - this.mRawMaxShadowSize, rect.bottom - f);
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|         buildShadowCorners();
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|     }
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| 
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|     void getMaxShadowAndCornerPadding(Rect rect) {
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|         getPadding(rect);
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|     }
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| 
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|     void setShadowSize(float f) {
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|         setShadowSize(f, this.mRawMaxShadowSize);
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|     }
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| 
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|     void setMaxShadowSize(float f) {
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|         setShadowSize(this.mRawShadowSize, f);
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|     }
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| 
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|     float getMinWidth() {
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|         float f = this.mRawMaxShadowSize;
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|         return (Math.max(f, this.mCornerRadius + this.mInsetShadow + (f / 2.0f)) * 2.0f) + ((this.mRawMaxShadowSize + this.mInsetShadow) * 2.0f);
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|     }
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| 
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|     float getMinHeight() {
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|         float f = this.mRawMaxShadowSize;
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|         return (Math.max(f, this.mCornerRadius + this.mInsetShadow + ((f * SHADOW_MULTIPLIER) / 2.0f)) * 2.0f) + (((this.mRawMaxShadowSize * SHADOW_MULTIPLIER) + this.mInsetShadow) * 2.0f);
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|     }
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| 
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|     void setColor(ColorStateList colorStateList) {
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|         setBackground(colorStateList);
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|         invalidateSelf();
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|     }
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| }
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