1/*
2 * Copyright (C) 2000 Lars Knoll (knoll@kde.org)
3 *           (C) 2000 Antti Koivisto (koivisto@kde.org)
4 *           (C) 2000 Dirk Mueller (mueller@kde.org)
5 * Copyright (C) 2003, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved.
6 *
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Library General Public
9 * License as published by the Free Software Foundation; either
10 * version 2 of the License, or (at your option) any later version.
11 *
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
15 * Library General Public License for more details.
16 *
17 * You should have received a copy of the GNU Library General Public License
18 * along with this library; see the file COPYING.LIB.  If not, write to
19 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
20 * Boston, MA 02110-1301, USA.
21 *
22 */
23
24#include "config.h"
25#include "StyleGeneratedImage.h"
26
27#include "CSSImageGeneratorValue.h"
28#include "RenderObject.h"
29
30namespace WebCore {
31
32PassRefPtr<CSSValue> StyleGeneratedImage::cssValue() const
33{
34    return m_generator;
35}
36
37IntSize StyleGeneratedImage::imageSize(const RenderObject* renderer, float multiplier) const
38{
39    if (m_fixedSize) {
40        IntSize fixedSize = m_generator->fixedSize(renderer);
41        if (multiplier == 1.0f)
42            return fixedSize;
43
44        int width = fixedSize.width() * multiplier;
45        int height = fixedSize.height() * multiplier;
46
47        // Don't let images that have a width/height >= 1 shrink below 1 when zoomed.
48        if (fixedSize.width() > 0)
49            width = max(1, width);
50
51        if (fixedSize.height() > 0)
52            height = max(1, height);
53
54        return IntSize(width, height);
55    }
56
57    return m_containerSize;
58}
59
60void StyleGeneratedImage::setImageContainerSize(const IntSize& size)
61{
62    m_containerSize = size;
63}
64
65void StyleGeneratedImage::addClient(RenderObject* renderer)
66{
67    m_generator->addClient(renderer, IntSize());
68}
69
70void StyleGeneratedImage::removeClient(RenderObject* renderer)
71{
72    m_generator->removeClient(renderer);
73}
74
75PassRefPtr<Image> StyleGeneratedImage::image(RenderObject* renderer, const IntSize& size) const
76{
77    return m_generator->image(renderer, size);
78}
79
80}
81