1 /*
2 * Copyright (C) 2008, 2009 Google, Inc. All rights reserved.
3 * Copyright (C) 2009 Apple Inc. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
15 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
17 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
18 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
19 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
20 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
21 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
22 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 */
26
27 #include "config.h"
28 #include "RGBColor.h"
29
30 namespace WebCore {
31
create(unsigned rgbColor)32 PassRefPtr<RGBColor> RGBColor::create(unsigned rgbColor)
33 {
34 return adoptRef(new RGBColor(rgbColor));
35 }
36
red()37 PassRefPtr<CSSPrimitiveValue> RGBColor::red()
38 {
39 unsigned value = (m_rgbColor >> 16) & 0xFF;
40 return CSSPrimitiveValue::create(value, CSSPrimitiveValue::CSS_NUMBER);
41 }
42
green()43 PassRefPtr<CSSPrimitiveValue> RGBColor::green()
44 {
45 unsigned value = (m_rgbColor >> 8) & 0xFF;
46 return CSSPrimitiveValue::create(value, CSSPrimitiveValue::CSS_NUMBER);
47 }
48
blue()49 PassRefPtr<CSSPrimitiveValue> RGBColor::blue()
50 {
51 unsigned value = m_rgbColor & 0xFF;
52 return CSSPrimitiveValue::create(value, CSSPrimitiveValue::CSS_NUMBER);
53 }
54
alpha()55 PassRefPtr<CSSPrimitiveValue> RGBColor::alpha()
56 {
57 float value = static_cast<float>((m_rgbColor >> 24) & 0xFF) / 0xFF;
58 return WebCore::CSSPrimitiveValue::create(value, WebCore::CSSPrimitiveValue::CSS_NUMBER);
59 }
60
61 } // namespace WebCore
62
63