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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 "core/css/CSSPrimitiveValue.h"
29 #include "core/css/RGBColor.h"
30 
31 namespace blink {
32 
create(unsigned rgbColor)33 PassRefPtrWillBeRawPtr<RGBColor> RGBColor::create(unsigned rgbColor)
34 {
35     return adoptRefWillBeNoop(new RGBColor(rgbColor));
36 }
37 
red()38 PassRefPtrWillBeRawPtr<CSSPrimitiveValue> RGBColor::red()
39 {
40     unsigned value = (m_rgbColor >> 16) & 0xFF;
41     RefPtrWillBeRawPtr<CSSPrimitiveValue> result = CSSPrimitiveValue::create(value, CSSPrimitiveValue::CSS_NUMBER);
42     result->setCSSOMSafe();
43     return result.release();
44 }
45 
green()46 PassRefPtrWillBeRawPtr<CSSPrimitiveValue> RGBColor::green()
47 {
48     unsigned value = (m_rgbColor >> 8) & 0xFF;
49     RefPtrWillBeRawPtr<CSSPrimitiveValue> result = CSSPrimitiveValue::create(value, CSSPrimitiveValue::CSS_NUMBER);
50     result->setCSSOMSafe();
51     return result.release();
52 }
53 
blue()54 PassRefPtrWillBeRawPtr<CSSPrimitiveValue> RGBColor::blue()
55 {
56     unsigned value = m_rgbColor & 0xFF;
57     RefPtrWillBeRawPtr<CSSPrimitiveValue> result = CSSPrimitiveValue::create(value, CSSPrimitiveValue::CSS_NUMBER);
58     result->setCSSOMSafe();
59     return result.release();
60 }
61 
alpha()62 PassRefPtrWillBeRawPtr<CSSPrimitiveValue> RGBColor::alpha()
63 {
64     float value = static_cast<float>((m_rgbColor >> 24) & 0xFF) / 0xFF;
65     RefPtrWillBeRawPtr<CSSPrimitiveValue> result = CSSPrimitiveValue::create(value, CSSPrimitiveValue::CSS_NUMBER);
66     result->setCSSOMSafe();
67     return result.release();
68 }
69 
70 } // namespace blink
71 
72