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      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
     42