Upstream version 10.39.225.0
[platform/framework/web/crosswalk.git] / src / third_party / WebKit / Source / core / paint / BackgroundImageGeometry.cpp
1 // Copyright 2014 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #include "config.h"
6 #include "core/paint/BackgroundImageGeometry.h"
7
8 namespace blink {
9
10 void BackgroundImageGeometry::setNoRepeatX(int xOffset)
11 {
12     m_destRect.move(std::max(xOffset, 0), 0);
13     m_phase.setX(-std::min(xOffset, 0));
14     m_destRect.setWidth(m_tileSize.width() + std::min(xOffset, 0));
15 }
16 void BackgroundImageGeometry::setNoRepeatY(int yOffset)
17 {
18     m_destRect.move(0, std::max(yOffset, 0));
19     m_phase.setY(-std::min(yOffset, 0));
20     m_destRect.setHeight(m_tileSize.height() + std::min(yOffset, 0));
21 }
22
23 void BackgroundImageGeometry::useFixedAttachment(const IntPoint& attachmentPoint)
24 {
25     IntPoint alignedPoint = attachmentPoint;
26     m_phase.move(std::max(alignedPoint.x() - m_destRect.x(), 0), std::max(alignedPoint.y() - m_destRect.y(), 0));
27 }
28
29 void BackgroundImageGeometry::clip(const IntRect& clipRect)
30 {
31     m_destRect.intersect(clipRect);
32 }
33
34 IntPoint BackgroundImageGeometry::relativePhase() const
35 {
36     IntPoint phase = m_phase;
37     phase += m_destRect.location() - m_destOrigin;
38     return phase;
39 }
40
41 } // namespace blink