| OLD | NEW |
|---|
| (Empty) |
| 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/rendering/RenderBoxClipper.h" | |
| 7 | |
| 8 #include "core/rendering/PaintInfo.h" | |
| 9 #include "core/rendering/RenderBox.h" | |
| 10 #include "core/rendering/RenderLayer.h" | |
| 11 | |
| 12 namespace blink { | |
| 13 | |
| 14 RenderBoxClipper::RenderBoxClipper(RenderBox& box, PaintInfo& paintInfo, const L
ayoutPoint& accumulatedOffset, ContentsClipBehavior contentsClipBehavior) | |
| 15 : m_pushedClip(false) | |
| 16 , m_accumulatedOffset(accumulatedOffset) | |
| 17 , m_paintInfo(paintInfo) | |
| 18 , m_originalPhase(paintInfo.phase) | |
| 19 , m_box(box) | |
| 20 { | |
| 21 if (m_paintInfo.phase == PaintPhaseBlockBackground || m_paintInfo.phase == P
aintPhaseSelfOutline || m_paintInfo.phase == PaintPhaseMask) | |
| 22 return; | |
| 23 | |
| 24 bool isControlClip = m_box.hasControlClip(); | |
| 25 bool isOverflowClip = m_box.hasOverflowClip() && !m_box.layer()->isSelfPaint
ingLayer(); | |
| 26 | |
| 27 if (!isControlClip && !isOverflowClip) | |
| 28 return; | |
| 29 | |
| 30 LayoutRect clipRect = isControlClip ? m_box.controlClipRect(m_accumulatedOff
set) : m_box.overflowClipRect(m_accumulatedOffset); | |
| 31 RoundedRect clipRoundedRect(0, 0, 0, 0); | |
| 32 bool hasBorderRadius = m_box.style()->hasBorderRadius(); | |
| 33 if (hasBorderRadius) | |
| 34 clipRoundedRect = m_box.style()->getRoundedInnerBorderFor(LayoutRect(m_a
ccumulatedOffset, m_box.size())); | |
| 35 | |
| 36 if (contentsClipBehavior == SkipContentsClipIfPossible) { | |
| 37 LayoutRect contentsVisualOverflow = m_box.contentsVisualOverflowRect(); | |
| 38 if (contentsVisualOverflow.isEmpty()) | |
| 39 return; | |
| 40 | |
| 41 LayoutRect conservativeClipRect = clipRect; | |
| 42 if (hasBorderRadius) | |
| 43 conservativeClipRect.intersect(clipRoundedRect.radiusCenterRect()); | |
| 44 conservativeClipRect.moveBy(-m_accumulatedOffset); | |
| 45 if (m_box.hasLayer()) | |
| 46 conservativeClipRect.move(m_box.scrolledContentOffset()); | |
| 47 if (conservativeClipRect.contains(contentsVisualOverflow)) | |
| 48 return; | |
| 49 } | |
| 50 | |
| 51 if (m_paintInfo.phase == PaintPhaseOutline) { | |
| 52 m_paintInfo.phase = PaintPhaseChildOutlines; | |
| 53 } else if (m_paintInfo.phase == PaintPhaseChildBlockBackground) { | |
| 54 m_paintInfo.phase = PaintPhaseBlockBackground; | |
| 55 m_box.paintObject(m_paintInfo, m_accumulatedOffset); | |
| 56 m_paintInfo.phase = PaintPhaseChildBlockBackgrounds; | |
| 57 } | |
| 58 m_paintInfo.context->save(); | |
| 59 if (hasBorderRadius) | |
| 60 m_paintInfo.context->clipRoundedRect(clipRoundedRect); | |
| 61 m_paintInfo.context->clip(pixelSnappedIntRect(clipRect)); | |
| 62 m_pushedClip = true; | |
| 63 } | |
| 64 | |
| 65 RenderBoxClipper::~RenderBoxClipper() | |
| 66 { | |
| 67 if (!m_pushedClip) | |
| 68 return; | |
| 69 | |
| 70 ASSERT(m_box.hasControlClip() || (m_box.hasOverflowClip() && !m_box.layer()-
>isSelfPaintingLayer())); | |
| 71 | |
| 72 m_paintInfo.context->restore(); | |
| 73 if (m_originalPhase == PaintPhaseOutline) { | |
| 74 m_paintInfo.phase = PaintPhaseSelfOutline; | |
| 75 m_box.paintObject(m_paintInfo, m_accumulatedOffset); | |
| 76 m_paintInfo.phase = m_originalPhase; | |
| 77 } else if (m_originalPhase == PaintPhaseChildBlockBackground) { | |
| 78 m_paintInfo.phase = m_originalPhase; | |
| 79 } | |
| 80 } | |
| 81 | |
| 82 } // namespace blink | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 732093002:
Move RenderBoxClipper to core/paint/ (Closed)
Base URL: svn://svn.chromium.org/blink/trunk