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
37 namespace WebCore {
38
StillImage(const QPixmap & pixmap)39 StillImage::StillImage(const QPixmap& pixmap)
40 : m_pixmap(new QPixmap(pixmap))
41 , m_ownsPixmap(true)
42 {}
43
StillImage(const QPixmap * pixmap)44 StillImage::StillImage(const QPixmap* pixmap)
45 : m_pixmap(pixmap)
46 , m_ownsPixmap(false)
47 {}
48
~StillImage()49 StillImage::~StillImage()
50 {
51 if (m_ownsPixmap)
52 delete m_pixmap;
53 }
54
size() const55 IntSize StillImage::size() const
56 {
57 return IntSize(m_pixmap->width(), m_pixmap->height());
58 }
59
nativeImageForCurrentFrame()60 NativeImagePtr StillImage::nativeImageForCurrentFrame()
61 {
62 return const_cast<NativeImagePtr>(m_pixmap);
63 }
64
draw(GraphicsContext * ctxt,const FloatRect & dst,const FloatRect & src,ColorSpace,CompositeOperator op)65 void 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