mirror of https://github.com/NekoX-Dev/NekoX.git
37 lines
1.2 KiB
Java
37 lines
1.2 KiB
Java
package org.telegram.ui;
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import android.graphics.Canvas;
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import android.graphics.Color;
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import android.graphics.Matrix;
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import android.graphics.Paint;
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import android.graphics.RadialGradient;
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import android.graphics.Shader;
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import androidx.core.graphics.ColorUtils;
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public class RoundVideoProgressShadow {
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RadialGradient radialGradient = new RadialGradient(0, 0, 100, new int[]{Color.TRANSPARENT, Color.TRANSPARENT, ColorUtils.setAlphaComponent(Color.BLACK, 40)}, new float[]{0, 0.7f, 1f}, Shader.TileMode.CLAMP);
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Paint shaderPaint = new Paint();
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Matrix matrix = new Matrix();
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int lastSizesHash;
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public RoundVideoProgressShadow() {
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shaderPaint.setShader(radialGradient);
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}
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public void draw(Canvas canvas, float cx, float cy, float radius, float alpha) {
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int sizesHash = (int) cx + ((int) cy << 12) + ((int) radius << 24);
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if (sizesHash != lastSizesHash) {
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matrix.reset();
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float s = radius / 100f;
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matrix.setTranslate(cx, cy);
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matrix.preScale(s, s);
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radialGradient.setLocalMatrix(matrix);
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}
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shaderPaint.setAlpha((int) (255 * alpha));
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canvas.drawCircle(cx, cy, radius, shaderPaint);
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}
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}
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