ValueBar.java 文件源码

/**
 * Set the bar color. <br>
 * <br>
 * Its discouraged to use this method.
 * 
 * @param color
 */
public void setColor(int color) {
    int x1, y1;
    if(mOrientation == ORIENTATION_HORIZONTAL) {
        x1 = (mBarLength + mBarPointerHaloRadius);
        y1 = mBarThickness;
    }
    else {
        x1 = mBarThickness;
        y1 = (mBarLength + mBarPointerHaloRadius);
    }

    Color.colorToHSV(color, mHSVColor);
    shader = new LinearGradient(mBarPointerHaloRadius, 0,
            x1, y1, new int[] {
                    color, Color.BLACK }, null, Shader.TileMode.CLAMP);
    mBarPaint.setShader(shader);
    calculateColor(mBarPointerPosition);
    mBarPointerPaint.setColor(mColor);
    if (mPicker != null) {
        mPicker.setNewCenterColor(mColor);
        if(mPicker.hasOpacityBar())
            mPicker.changeOpacityBarColor(mColor);
    }
    invalidate();
}