1/*
2 * Copyright (C) 2008 Holger Hans Peter Freyther
3 *
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 *    notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 *    notice, this list of conditions and the following disclaimer in the
13 *    documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
16 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
18 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
19 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
20 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
21 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
22 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
23 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
25 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
27
28#include "config.h"
29#include "StillImageQt.h"
30
31#include "ContextShadow.h"
32#include "GraphicsContext.h"
33#include "IntSize.h"
34
35#include <QPainter>
36
37namespace WebCore {
38
39StillImage::StillImage(const QPixmap& pixmap)
40    : m_pixmap(new QPixmap(pixmap))
41    , m_ownsPixmap(true)
42{}
43
44StillImage::StillImage(const QPixmap* pixmap)
45    : m_pixmap(pixmap)
46    , m_ownsPixmap(false)
47{}
48
49StillImage::~StillImage()
50{
51    if (m_ownsPixmap)
52        delete m_pixmap;
53}
54
55IntSize StillImage::size() const
56{
57    return IntSize(m_pixmap->width(), m_pixmap->height());
58}
59
60NativeImagePtr StillImage::nativeImageForCurrentFrame()
61{
62    return const_cast<NativeImagePtr>(m_pixmap);
63}
64
65void StillImage::draw(GraphicsContext* ctxt, const FloatRect& dst,
66                      const FloatRect& src, ColorSpace, CompositeOperator op)
67{
68    if (m_pixmap->isNull())
69        return;
70
71    FloatRect normalizedSrc = src.normalized();
72    FloatRect normalizedDst = dst.normalized();
73
74    CompositeOperator previousOperator = ctxt->compositeOperation();
75    ctxt->setCompositeOperation(op);
76
77    ContextShadow* shadow = ctxt->contextShadow();
78    if (shadow->m_type != ContextShadow::NoShadow) {
79        QPainter* shadowPainter = shadow->beginShadowLayer(ctxt, normalizedDst);
80        if (shadowPainter) {
81            shadowPainter->setOpacity(static_cast<qreal>(shadow->m_color.alpha()) / 255);
82            shadowPainter->drawPixmap(normalizedDst, *m_pixmap, normalizedSrc);
83            shadow->endShadowLayer(ctxt);
84        }
85    }
86
87    ctxt->platformContext()->drawPixmap(normalizedDst, *m_pixmap, normalizedSrc);
88    ctxt->setCompositeOperation(previousOperator);
89}
90
91}
92