1 /*
2 * Copyright (C) 2003, 2004, 2005, 2006, 2007 Apple Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26 #include "config.h"
27 #include "Color.h"
28
29 #if PLATFORM(CG)
30
31 #include <wtf/Assertions.h>
32 #include <wtf/RetainPtr.h>
33 #include <ApplicationServices/ApplicationServices.h>
34
35 namespace WebCore {
36
Color(CGColorRef color)37 Color::Color(CGColorRef color)
38 {
39 if (!color) {
40 m_color = 0;
41 m_valid = false;
42 return;
43 }
44
45 size_t numComponents = CGColorGetNumberOfComponents(color);
46 const CGFloat* components = CGColorGetComponents(color);
47
48 float r = 0;
49 float g = 0;
50 float b = 0;
51 float a = 0;
52
53 switch (numComponents) {
54 case 2:
55 r = g = b = components[0];
56 a = components[1];
57 break;
58 case 4:
59 r = components[0];
60 g = components[1];
61 b = components[2];
62 a = components[3];
63 break;
64 default:
65 ASSERT_NOT_REACHED();
66 }
67
68 m_color = makeRGBA(r * 255, g * 255, b * 255, a * 255);
69 }
70
71 #if OS(WINDOWS)
72
createCGColor(const Color & c)73 CGColorRef createCGColor(const Color& c)
74 {
75 CGColorRef color = NULL;
76 CMProfileRef prof = NULL;
77 CMGetSystemProfile(&prof);
78
79 RetainPtr<CGColorSpaceRef> rgbSpace(AdoptCF, CGColorSpaceCreateWithPlatformColorSpace(prof));
80
81 if (rgbSpace) {
82 CGFloat components[4] = { static_cast<CGFloat>(c.red()) / 255, static_cast<CGFloat>(c.green()) / 255,
83 static_cast<CGFloat>(c.blue()) / 255, static_cast<CGFloat>(c.alpha()) / 255 };
84 color = CGColorCreate(rgbSpace.get(), components);
85 }
86
87 CMCloseProfile(prof);
88
89 return color;
90 }
91
92 #endif // OS(WINDOWS)
93
94 }
95
96 #endif // PLATFORM(CG)
97