Color choose dialog

1 files changed, 46 insertions, 0 deletions

diff --git a/src/main/java/yuku/ambilwarna/AmbilWarnaSquare.java b/src/main/java/yuku/ambilwarna/AmbilWarnaSquare.java
new file mode 100644
index 00000000..9fb854df
--- /dev/null
+++ b/src/main/java/yuku/ambilwarna/AmbilWarnaSquare.java
@@ -0,0 +1,46 @@
+package yuku.ambilwarna;
+
+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 AmbilWarnaSquare extends View {
+	Paint paint;
+	Shader luar;
+	final float[] color = { 1.f, 1.f, 1.f };
+
+	public AmbilWarnaSquare(Context context, AttributeSet attrs) {
+		super(context, attrs);
+	}
+
+	public AmbilWarnaSquare(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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