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1 /* | 1 /* |
2 * Copyright (C) 1999 Lars Knoll (knoll@kde.org) | 2 * Copyright (C) 1999 Lars Knoll (knoll@kde.org) |
3 * (C) 1999 Antti Koivisto (koivisto@kde.org) | 3 * (C) 1999 Antti Koivisto (koivisto@kde.org) |
4 * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved. | 4 * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved. |
5 * | 5 * |
6 * This library is free software; you can redistribute it and/or | 6 * This library is free software; you can redistribute it and/or |
7 * modify it under the terms of the GNU Library General Public | 7 * modify it under the terms of the GNU Library General Public |
8 * License as published by the Free Software Foundation; either | 8 * License as published by the Free Software Foundation; either |
9 * version 2 of the License, or (at your option) any later version. | 9 * version 2 of the License, or (at your option) any later version. |
10 * | 10 * |
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1010 LayoutUnit logicalTop = firstLineBox()->logicalTopVisualOverflow(firstRootBo x.lineTop()); | 1010 LayoutUnit logicalTop = firstLineBox()->logicalTopVisualOverflow(firstRootBo x.lineTop()); |
1011 LayoutUnit logicalWidth = logicalRightSide - logicalLeftSide; | 1011 LayoutUnit logicalWidth = logicalRightSide - logicalLeftSide; |
1012 LayoutUnit logicalHeight = lastLineBox()->logicalBottomVisualOverflow(lastRo otBox.lineBottom()) - logicalTop; | 1012 LayoutUnit logicalHeight = lastLineBox()->logicalBottomVisualOverflow(lastRo otBox.lineBottom()) - logicalTop; |
1013 | 1013 |
1014 LayoutRect rect(logicalLeftSide, logicalTop, logicalWidth, logicalHeight); | 1014 LayoutRect rect(logicalLeftSide, logicalTop, logicalWidth, logicalHeight); |
1015 if (!style()->isHorizontalWritingMode()) | 1015 if (!style()->isHorizontalWritingMode()) |
1016 rect = rect.transposedRect(); | 1016 rect = rect.transposedRect(); |
1017 return rect; | 1017 return rect; |
1018 } | 1018 } |
1019 | 1019 |
1020 LayoutRect RenderInline::absoluteClippedOverflowRect() const | |
1021 { | |
1022 if (!continuation()) | |
1023 return clippedOverflowRectForPaintInvalidation(view()); | |
pdr.
2014/12/02 21:56:21
It looks like clippedOverflowRectForPaintInvalidat
c.shu
2014/12/02 22:16:31
The continuation code in clippedOverflowRectForPai
pdr.
2014/12/03 22:11:17
Can you help me understand why we wouldn't want to
c.shu
2014/12/03 22:27:27
It's not that we wouldn't want to include outlines
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1024 | |
1025 FloatRect floatResult; | |
1026 LinesBoundingBoxGeneratorContext context(floatResult); | |
1027 | |
1028 RenderInline* endContinuation = inlineElementContinuation(); | |
1029 while (endContinuation->inlineElementContinuation()) { | |
leviw_travelin_and_unemployed
2014/12/09 20:39:56
Nit: no braces needed.
c.shu
2014/12/10 02:40:51
Acknowledged.
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1030 endContinuation = endContinuation->inlineElementContinuation(); | |
1031 } | |
1032 for (RenderBlock* currBlock = containingBlock(); currBlock && currBlock->isA nonymousBlock(); currBlock = toRenderBlock(currBlock->nextSibling())) { | |
1033 for (RenderObject* curr = currBlock->firstChild(); curr; curr = curr->ne xtSibling()) { | |
1034 LayoutRect rect = curr->clippedOverflowRectForPaintInvalidation(view ()); | |
leviw_travelin_and_unemployed
2014/12/09 20:39:56
This is N^2 since we'll walk up to the view for ev
c.shu
2014/12/10 02:40:51
thanks for pointing out this performance issue. I
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1035 context(FloatRect(enclosingIntRect(rect))); | |
1036 if (curr == endContinuation) | |
1037 return enclosingIntRect(floatResult); | |
1038 } | |
1039 } | |
1040 return LayoutRect(); | |
1041 } | |
1042 | |
1020 LayoutRect RenderInline::clippedOverflowRectForPaintInvalidation(const RenderLay erModelObject* paintInvalidationContainer, const PaintInvalidationState* paintIn validationState) const | 1043 LayoutRect RenderInline::clippedOverflowRectForPaintInvalidation(const RenderLay erModelObject* paintInvalidationContainer, const PaintInvalidationState* paintIn validationState) const |
1021 { | 1044 { |
1022 if ((!firstLineBoxIncludingCulling() && !continuation()) || style()->visibil ity() != VISIBLE) | 1045 if ((!firstLineBoxIncludingCulling() && !continuation()) || style()->visibil ity() != VISIBLE) |
1023 return LayoutRect(); | 1046 return LayoutRect(); |
1024 | 1047 |
1025 LayoutRect paintInvalidationRect(linesVisualOverflowBoundingBox()); | 1048 LayoutRect paintInvalidationRect(linesVisualOverflowBoundingBox()); |
1026 | 1049 |
1027 LayoutUnit outlineSize = style()->outlineSize(); | 1050 LayoutUnit outlineSize = style()->outlineSize(); |
1028 paintInvalidationRect.inflate(outlineSize); | 1051 paintInvalidationRect.inflate(outlineSize); |
1029 | 1052 |
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1405 container = this; | 1428 container = this; |
1406 | 1429 |
1407 FloatPoint absPos = container->localToAbsolute(); | 1430 FloatPoint absPos = container->localToAbsolute(); |
1408 region.bounds.setX(absPos.x() + region.bounds.x()); | 1431 region.bounds.setX(absPos.x() + region.bounds.x()); |
1409 region.bounds.setY(absPos.y() + region.bounds.y()); | 1432 region.bounds.setY(absPos.y() + region.bounds.y()); |
1410 | 1433 |
1411 regions.append(region); | 1434 regions.append(region); |
1412 } | 1435 } |
1413 | 1436 |
1414 } // namespace blink | 1437 } // namespace blink |
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