Android Open Source - bbstalker Ambil Warna Kotak

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Back to project page bbstalker.

License

The source code is released under:

GNU General Public License

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Java Source Code

package yuku.ambilwarna;
// ww  w . ja  v a2 s  .  c  o  m
//import android.annotation.SuppressLint;
import android.content.Context;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.ComposeShader;
import android.graphics.LinearGradient;
import android.graphics.Paint;
import android.graphics.PorterDuff;
import android.graphics.Shader;
import android.graphics.Shader.TileMode;
import android.util.AttributeSet;
import android.view.View;

public class AmbilWarnaKotak extends View {
  Paint paint;
  Shader luar;
  final float[] color = { 1.f, 1.f, 1.f };

  public AmbilWarnaKotak(Context context, AttributeSet attrs) {
    super(context, attrs);
  }

  public AmbilWarnaKotak(Context context, AttributeSet attrs, int defStyle) {
    super(context, attrs, defStyle);
  }

  //@SuppressLint("DrawAllocation")
  @Override protected void onDraw(Canvas canvas) {
    super.onDraw(canvas);
    if (paint == null) {
      paint = new Paint();
      luar = new LinearGradient(0.f, 0.f, 0.f, this.getMeasuredHeight(), 0xffffffff, 0xff000000, TileMode.CLAMP);
    }
    int rgb = Color.HSVToColor(color);
    Shader dalam = new LinearGradient(0.f, 0.f, this.getMeasuredWidth(), 0.f, 0xffffffff, rgb, TileMode.CLAMP);
    ComposeShader shader = new ComposeShader(luar, dalam, PorterDuff.Mode.MULTIPLY);
    paint.setShader(shader);
    canvas.drawRect(0.f, 0.f, this.getMeasuredWidth(), this.getMeasuredHeight(), paint);
  }

  void setHue(float hue) {
    color[0] = hue;
    invalidate();
  }
}

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