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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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209 bool checkFonts = document().inNoQuirksMode(); | 209 bool checkFonts = document().inNoQuirksMode(); |
210 bool alwaysCreateLineBoxes = (parentRenderInline && parentRenderInline->alwa
ysCreateLineBoxes()) | 210 bool alwaysCreateLineBoxes = (parentRenderInline && parentRenderInline->alwa
ysCreateLineBoxes()) |
211 || (parentRenderInline && parentStyle->verticalAlign() != BASELINE) | 211 || (parentRenderInline && parentStyle->verticalAlign() != BASELINE) |
212 || style()->verticalAlign() != BASELINE | 212 || style()->verticalAlign() != BASELINE |
213 || style()->textEmphasisMark() != TextEmphasisMarkNone | 213 || style()->textEmphasisMark() != TextEmphasisMarkNone |
214 || (checkFonts && (!parentStyle->font().fontMetrics().hasIdenticalAscent
DescentAndLineGap(style()->font().fontMetrics()) | 214 || (checkFonts && (!parentStyle->font().fontMetrics().hasIdenticalAscent
DescentAndLineGap(style()->font().fontMetrics()) |
215 || parentStyle->lineHeight() != style()->lineHeight())); | 215 || parentStyle->lineHeight() != style()->lineHeight())); |
216 | 216 |
217 if (!alwaysCreateLineBoxes && checkFonts && document().styleEngine()->usesFi
rstLineRules()) { | 217 if (!alwaysCreateLineBoxes && checkFonts && document().styleEngine()->usesFi
rstLineRules()) { |
218 // Have to check the first line style as well. | 218 // Have to check the first line style as well. |
219 parentStyle = parent()->style(true); | 219 parentStyle = parent()->styleOrFirstLineStyle(true); |
220 RenderStyle* childStyle = style(true); | 220 RenderStyle* childStyle = styleOrFirstLineStyle(true); |
221 alwaysCreateLineBoxes = !parentStyle->font().fontMetrics().hasIdenticalA
scentDescentAndLineGap(childStyle->font().fontMetrics()) | 221 alwaysCreateLineBoxes = !parentStyle->font().fontMetrics().hasIdenticalA
scentDescentAndLineGap(childStyle->font().fontMetrics()) |
222 || childStyle->verticalAlign() != BASELINE | 222 || childStyle->verticalAlign() != BASELINE |
223 || parentStyle->lineHeight() != childStyle->lineHeight(); | 223 || parentStyle->lineHeight() != childStyle->lineHeight(); |
224 } | 224 } |
225 | 225 |
226 if (alwaysCreateLineBoxes) { | 226 if (alwaysCreateLineBoxes) { |
227 if (!fullLayout) | 227 if (!fullLayout) |
228 dirtyLineBoxes(false); | 228 dirtyLineBoxes(false); |
229 m_alwaysCreateLineBoxes = true; | 229 m_alwaysCreateLineBoxes = true; |
230 } | 230 } |
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549 for (RenderObject* curr = firstChild(); curr; curr = curr->nextSibling()) { | 549 for (RenderObject* curr = firstChild(); curr; curr = curr->nextSibling()) { |
550 if (curr->isFloatingOrOutOfFlowPositioned()) | 550 if (curr->isFloatingOrOutOfFlowPositioned()) |
551 continue; | 551 continue; |
552 | 552 |
553 // We want to get the margin box in the inline direction, and then use o
ur font ascent/descent in the block | 553 // We want to get the margin box in the inline direction, and then use o
ur font ascent/descent in the block |
554 // direction (aligned to the root box's baseline). | 554 // direction (aligned to the root box's baseline). |
555 if (curr->isBox()) { | 555 if (curr->isBox()) { |
556 RenderBox* currBox = toRenderBox(curr); | 556 RenderBox* currBox = toRenderBox(curr); |
557 if (currBox->inlineBoxWrapper()) { | 557 if (currBox->inlineBoxWrapper()) { |
558 RootInlineBox& rootBox = currBox->inlineBoxWrapper()->root(); | 558 RootInlineBox& rootBox = currBox->inlineBoxWrapper()->root(); |
559 int logicalTop = rootBox.logicalTop() + (rootBox.renderer().styl
e(rootBox.isFirstLineStyle())->font().fontMetrics().ascent() - container->style(
rootBox.isFirstLineStyle())->font().fontMetrics().ascent()); | 559 int logicalTop = rootBox.logicalTop() + (rootBox.renderer().styl
eOrFirstLineStyle(rootBox.isFirstLineStyle())->font().fontMetrics().ascent() - c
ontainer->styleOrFirstLineStyle(rootBox.isFirstLineStyle())->font().fontMetrics(
).ascent()); |
560 int logicalHeight = container->style(rootBox.isFirstLineStyle())
->font().fontMetrics().height(); | 560 int logicalHeight = container->styleOrFirstLineStyle(rootBox.isF
irstLineStyle())->font().fontMetrics().height(); |
561 if (isHorizontal) | 561 if (isHorizontal) |
562 yield(FloatRect(currBox->inlineBoxWrapper()->x() - currBox->
marginLeft(), logicalTop, (currBox->width() + currBox->marginWidth()).toFloat(),
logicalHeight)); | 562 yield(FloatRect(currBox->inlineBoxWrapper()->x() - currBox->
marginLeft(), logicalTop, (currBox->width() + currBox->marginWidth()).toFloat(),
logicalHeight)); |
563 else | 563 else |
564 yield(FloatRect(logicalTop, currBox->inlineBoxWrapper()->y()
- currBox->marginTop(), logicalHeight, (currBox->height() + currBox->marginHeig
ht()).toFloat())); | 564 yield(FloatRect(logicalTop, currBox->inlineBoxWrapper()->y()
- currBox->marginTop(), logicalHeight, (currBox->height() + currBox->marginHeig
ht()).toFloat())); |
565 } | 565 } |
566 } else if (curr->isRenderInline()) { | 566 } else if (curr->isRenderInline()) { |
567 // If the child doesn't need line boxes either, then we can recur. | 567 // If the child doesn't need line boxes either, then we can recur. |
568 RenderInline* currInline = toRenderInline(curr); | 568 RenderInline* currInline = toRenderInline(curr); |
569 if (!currInline->alwaysCreateLineBoxes()) | 569 if (!currInline->alwaysCreateLineBoxes()) |
570 currInline->generateCulledLineBoxRects(yield, container); | 570 currInline->generateCulledLineBoxRects(yield, container); |
571 else { | 571 else { |
572 for (InlineFlowBox* childLine = currInline->firstLineBox(); chil
dLine; childLine = childLine->nextLineBox()) { | 572 for (InlineFlowBox* childLine = currInline->firstLineBox(); chil
dLine; childLine = childLine->nextLineBox()) { |
573 RootInlineBox& rootBox = childLine->root(); | 573 RootInlineBox& rootBox = childLine->root(); |
574 int logicalTop = rootBox.logicalTop() + (rootBox.renderer().
style(rootBox.isFirstLineStyle())->font().fontMetrics().ascent() - container->st
yle(rootBox.isFirstLineStyle())->font().fontMetrics().ascent()); | 574 int logicalTop = rootBox.logicalTop() + (rootBox.renderer().
styleOrFirstLineStyle(rootBox.isFirstLineStyle())->font().fontMetrics().ascent()
- container->styleOrFirstLineStyle(rootBox.isFirstLineStyle())->font().fontMetr
ics().ascent()); |
575 int logicalHeight = container->style(rootBox.isFirstLineStyl
e())->font().fontMetrics().height(); | 575 int logicalHeight = container->styleOrFirstLineStyle(rootBox
.isFirstLineStyle())->font().fontMetrics().height(); |
576 if (isHorizontal) | 576 if (isHorizontal) |
577 yield(FloatRect(childLine->x() - childLine->marginLogica
lLeft(), | 577 yield(FloatRect(childLine->x() - childLine->marginLogica
lLeft(), |
578 logicalTop, | 578 logicalTop, |
579 childLine->logicalWidth() + childLine->marginLogical
Left() + childLine->marginLogicalRight(), | 579 childLine->logicalWidth() + childLine->marginLogical
Left() + childLine->marginLogicalRight(), |
580 logicalHeight)); | 580 logicalHeight)); |
581 else | 581 else |
582 yield(FloatRect(logicalTop, | 582 yield(FloatRect(logicalTop, |
583 childLine->y() - childLine->marginLogicalLeft(), | 583 childLine->y() - childLine->marginLogicalLeft(), |
584 logicalHeight, | 584 logicalHeight, |
585 childLine->logicalWidth() + childLine->marginLogical
Left() + childLine->marginLogicalRight())); | 585 childLine->logicalWidth() + childLine->marginLogical
Left() + childLine->marginLogicalRight())); |
586 } | 586 } |
587 } | 587 } |
588 } else if (curr->isText()) { | 588 } else if (curr->isText()) { |
589 RenderText* currText = toRenderText(curr); | 589 RenderText* currText = toRenderText(curr); |
590 for (InlineTextBox* childText = currText->firstTextBox(); childText;
childText = childText->nextTextBox()) { | 590 for (InlineTextBox* childText = currText->firstTextBox(); childText;
childText = childText->nextTextBox()) { |
591 RootInlineBox& rootBox = childText->root(); | 591 RootInlineBox& rootBox = childText->root(); |
592 int logicalTop = rootBox.logicalTop() + (rootBox.renderer().styl
e(rootBox.isFirstLineStyle())->font().fontMetrics().ascent() - container->style(
rootBox.isFirstLineStyle())->font().fontMetrics().ascent()); | 592 int logicalTop = rootBox.logicalTop() + (rootBox.renderer().styl
eOrFirstLineStyle(rootBox.isFirstLineStyle())->font().fontMetrics().ascent() - c
ontainer->styleOrFirstLineStyle(rootBox.isFirstLineStyle())->font().fontMetrics(
).ascent()); |
593 int logicalHeight = container->style(rootBox.isFirstLineStyle())
->font().fontMetrics().height(); | 593 int logicalHeight = container->styleOrFirstLineStyle(rootBox.isF
irstLineStyle())->font().fontMetrics().height(); |
594 if (isHorizontal) | 594 if (isHorizontal) |
595 yield(FloatRect(childText->x(), logicalTop, childText->logic
alWidth(), logicalHeight)); | 595 yield(FloatRect(childText->x(), logicalTop, childText->logic
alWidth(), logicalHeight)); |
596 else | 596 else |
597 yield(FloatRect(logicalTop, childText->y(), logicalHeight, c
hildText->logicalWidth())); | 597 yield(FloatRect(logicalTop, childText->y(), logicalHeight, c
hildText->logicalWidth())); |
598 } | 598 } |
599 } | 599 } |
600 } | 600 } |
601 } | 601 } |
602 | 602 |
603 namespace { | 603 namespace { |
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1274 { | 1274 { |
1275 setAlwaysCreateLineBoxes(); | 1275 setAlwaysCreateLineBoxes(); |
1276 InlineFlowBox* flowBox = createInlineFlowBox(); | 1276 InlineFlowBox* flowBox = createInlineFlowBox(); |
1277 m_lineBoxes.appendLineBox(flowBox); | 1277 m_lineBoxes.appendLineBox(flowBox); |
1278 return flowBox; | 1278 return flowBox; |
1279 } | 1279 } |
1280 | 1280 |
1281 LayoutUnit RenderInline::lineHeight(bool firstLine, LineDirectionMode /*directio
n*/, LinePositionMode /*linePositionMode*/) const | 1281 LayoutUnit RenderInline::lineHeight(bool firstLine, LineDirectionMode /*directio
n*/, LinePositionMode /*linePositionMode*/) const |
1282 { | 1282 { |
1283 if (firstLine && document().styleEngine()->usesFirstLineRules()) { | 1283 if (firstLine && document().styleEngine()->usesFirstLineRules()) { |
1284 RenderStyle* s = style(firstLine); | 1284 RenderStyle* s = styleOrFirstLineStyle(firstLine); |
1285 if (s != style()) | 1285 if (s != style()) |
1286 return s->computedLineHeight(); | 1286 return s->computedLineHeight(); |
1287 } | 1287 } |
1288 | 1288 |
1289 return style()->computedLineHeight(); | 1289 return style()->computedLineHeight(); |
1290 } | 1290 } |
1291 | 1291 |
1292 int RenderInline::baselinePosition(FontBaseline baselineType, bool firstLine, Li
neDirectionMode direction, LinePositionMode linePositionMode) const | 1292 int RenderInline::baselinePosition(FontBaseline baselineType, bool firstLine, Li
neDirectionMode direction, LinePositionMode linePositionMode) const |
1293 { | 1293 { |
1294 ASSERT(linePositionMode == PositionOnContainingLine); | 1294 ASSERT(linePositionMode == PositionOnContainingLine); |
1295 const FontMetrics& fontMetrics = style(firstLine)->fontMetrics(); | 1295 const FontMetrics& fontMetrics = styleOrFirstLineStyle(firstLine)->fontMetri
cs(); |
1296 return fontMetrics.ascent(baselineType) + (lineHeight(firstLine, direction,
linePositionMode) - fontMetrics.height()) / 2; | 1296 return fontMetrics.ascent(baselineType) + (lineHeight(firstLine, direction,
linePositionMode) - fontMetrics.height()) / 2; |
1297 } | 1297 } |
1298 | 1298 |
1299 LayoutSize RenderInline::offsetForInFlowPositionedInline(const RenderBox& child)
const | 1299 LayoutSize RenderInline::offsetForInFlowPositionedInline(const RenderBox& child)
const |
1300 { | 1300 { |
1301 // FIXME: This function isn't right with mixed writing modes. | 1301 // FIXME: This function isn't right with mixed writing modes. |
1302 | 1302 |
1303 ASSERT(isInFlowPositioned()); | 1303 ASSERT(isInFlowPositioned()); |
1304 if (!isInFlowPositioned()) | 1304 if (!isInFlowPositioned()) |
1305 return LayoutSize(); | 1305 return LayoutSize(); |
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1564 container = this; | 1564 container = this; |
1565 | 1565 |
1566 FloatPoint absPos = container->localToAbsolute(); | 1566 FloatPoint absPos = container->localToAbsolute(); |
1567 region.bounds.setX(absPos.x() + region.bounds.x()); | 1567 region.bounds.setX(absPos.x() + region.bounds.x()); |
1568 region.bounds.setY(absPos.y() + region.bounds.y()); | 1568 region.bounds.setY(absPos.y() + region.bounds.y()); |
1569 | 1569 |
1570 regions.append(region); | 1570 regions.append(region); |
1571 } | 1571 } |
1572 | 1572 |
1573 } // namespace WebCore | 1573 } // namespace WebCore |
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