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/* Copyright (c) 2016, Isode Limited, London, England.
* All rights reserved.
*
* Acquisition and use of this software and related materials for any
* purpose requires a written license agreement from Isode Limited,
* or a written license from an organisation licensed by Isode Limited
* to grant such a license.
*
*/
package com.isode.stroke.elements;
public class WhiteboardColor {
private final int red_, green_, blue_;
private int alpha_;
public WhiteboardColor() {
this(0,0,0,255);
}
public WhiteboardColor(int red,int green,int blue) {
this(red,green,blue,255);
}
public WhiteboardColor(int red,int green,int blue,int alpha) {
red_ = red;
green_ = green;
blue_ = blue;
alpha_ = alpha;
}
public WhiteboardColor(String hex) {
alpha_ = 255;
int value = Integer.parseInt(hex.substring(1));
red_ = (value >> 16) & 0xFF;
green_ = (value >> 8) & 0xFF;
blue_ = value & 0xFF;
}
public String toHex() {
int value = (red_ << 16) + (green_ << 8) + blue_;
StringBuilder builder = new StringBuilder(Integer.toHexString(value));
while (builder.length() < 6) {
builder.insert(0, '0');
}
builder.insert(0, '#');
return builder.toString();
}
public int getRed() {
return red_;
}
public int getGreen() {
return green_;
}
public int getBlue() {
return blue_;
}
public int getAlpha() {
return alpha_;
}
public void setAlpha(int alpha) {
alpha_ = alpha;
}
}
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Swift