1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
|
/*
* Copyright (C) 2008 Kevin Ollivier <kevino@theolliviers.com> All rights reserved.
* Copyright (C) 2009 Maxime Simon <simon.maxime@theolliviers.com>
* Copyright (C) 2010 Stephan Aßmus <superstippi@gmx.de>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "Gradient.h"
#include "GraphicsContext.h"
#include <GradientLinear.h>
#include <GradientRadial.h>
#include <View.h>
namespace WebCore {
void Gradient::platformDestroy()
{
delete m_gradient;
}
PlatformGradient Gradient::platformGradient()
{
if (m_gradient)
return m_gradient;
if (m_radial) {
// TODO: Support m_r0?
m_gradient = new BGradientRadial(m_p0, m_r1);
} else
m_gradient = new BGradientLinear(m_p0, m_p1);
size_t size = m_stops.size();
for (size_t i = 0; i < size; i++) {
const ColorStop& stop = m_stops[i];
rgb_color color;
color.red = static_cast<uint8>(stop.red * 255);
color.green = static_cast<uint8>(stop.green * 255);
color.blue = static_cast<uint8>(stop.blue * 255);
color.alpha = static_cast<uint8>(stop.alpha * 255);
m_gradient->AddColor(color, stop.stop);
}
return m_gradient;
}
void Gradient::fill(GraphicsContext* context, const FloatRect& rect)
{
context->platformContext()->FillRect(rect, *platformGradient());
}
} // namespace WebCore
|