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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 * (C) 2000 Dirk Mueller (mueller@kde.org) | 4 * (C) 2000 Dirk Mueller (mueller@kde.org) |
5 * (C) 2004 Allan Sandfeld Jensen (kde@carewolf.com) | 5 * (C) 2004 Allan Sandfeld Jensen (kde@carewolf.com) |
6 * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2011 Apple Inc. All rights reserv
ed. | 6 * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2011 Apple Inc. All rights reserv
ed. |
7 * Copyright (C) 2009 Google Inc. All rights reserved. | 7 * Copyright (C) 2009 Google Inc. All rights reserved. |
8 * Copyright (C) 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmo
bile.com/) | 8 * Copyright (C) 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmo
bile.com/) |
9 * | 9 * |
10 * This library is free software; you can redistribute it and/or | 10 * This library is free software; you can redistribute it and/or |
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2197 mapAbsoluteToLocalPoint(mode, transformState); | 2197 mapAbsoluteToLocalPoint(mode, transformState); |
2198 transformState.flatten(); | 2198 transformState.flatten(); |
2199 return transformState.lastPlanarQuad(); | 2199 return transformState.lastPlanarQuad(); |
2200 } | 2200 } |
2201 | 2201 |
2202 void LayoutObject::mapLocalToAncestor(const LayoutBoxModelObject* ancestor, Tran
sformState& transformState, MapCoordinatesFlags mode, bool* wasFixed, const Pain
tInvalidationState* paintInvalidationState) const | 2202 void LayoutObject::mapLocalToAncestor(const LayoutBoxModelObject* ancestor, Tran
sformState& transformState, MapCoordinatesFlags mode, bool* wasFixed, const Pain
tInvalidationState* paintInvalidationState) const |
2203 { | 2203 { |
2204 if (ancestor == this) | 2204 if (ancestor == this) |
2205 return; | 2205 return; |
2206 | 2206 |
2207 LayoutObject* o = parent(); | 2207 if (paintInvalidationState && paintInvalidationState->canMapToContainer(ance
stor)) { |
| 2208 LayoutSize offset = paintInvalidationState->paintOffset(); |
| 2209 if (const PaintLayer* layer = style()->hasInFlowPosition() && hasLayer()
? toLayoutBoxModelObject(this)->layer() : nullptr) |
| 2210 offset += layer->offsetForInFlowPosition(); |
| 2211 transformState.move(offset); |
| 2212 return; |
| 2213 } |
| 2214 |
| 2215 bool containerSkipped; |
| 2216 const LayoutObject* o = container(ancestor, &containerSkipped); |
2208 if (!o) | 2217 if (!o) |
2209 return; | 2218 return; |
2210 | 2219 |
2211 // FIXME: this should call offsetFromContainer to share code, but I'm not su
re it's ever called. | |
2212 LayoutPoint centerPoint = roundedLayoutPoint(transformState.mappedPoint()); | |
2213 if (mode & ApplyContainerFlip && o->isBox()) { | 2220 if (mode & ApplyContainerFlip && o->isBox()) { |
2214 if (o->style()->isFlippedBlocksWritingMode()) | 2221 if (o->style()->isFlippedBlocksWritingMode()) { |
2215 transformState.move(toLayoutBox(o)->flipForWritingMode(roundedLayout
Point(transformState.mappedPoint())) - centerPoint); | 2222 IntPoint centerPoint = roundedIntPoint(transformState.mappedPoint())
; |
| 2223 transformState.move(toLayoutBox(o)->flipForWritingMode(LayoutPoint(c
enterPoint)) - centerPoint); |
| 2224 } |
2216 mode &= ~ApplyContainerFlip; | 2225 mode &= ~ApplyContainerFlip; |
2217 } | 2226 } |
2218 | 2227 |
2219 transformState.move(o->columnOffset(roundedLayoutPoint(transformState.mapped
Point()))); | 2228 LayoutSize containerOffset = offsetFromContainer(o, roundedLayoutPoint(trans
formState.mappedPoint())); |
2220 | 2229 |
2221 if (o->hasOverflowClip()) | 2230 // Text objects just copy their parent's computed style, so we need to ignor
e them. |
2222 transformState.move(-toLayoutBox(o)->scrolledContentOffset()); | 2231 bool preserve3D = mode & UseTransforms && ((o->style()->preserves3D() && !o-
>isText()) || (style()->preserves3D() && !isText())); |
| 2232 if (mode & UseTransforms && shouldUseTransformFromContainer(o)) { |
| 2233 TransformationMatrix t; |
| 2234 getTransformFromContainer(o, containerOffset, t); |
| 2235 transformState.applyTransform(t, preserve3D ? TransformState::Accumulate
Transform : TransformState::FlattenTransform); |
| 2236 } else { |
| 2237 transformState.move(containerOffset.width(), containerOffset.height(), p
reserve3D ? TransformState::AccumulateTransform : TransformState::FlattenTransfo
rm); |
| 2238 } |
| 2239 |
| 2240 if (containerSkipped) { |
| 2241 // There can't be a transform between |ancestor| and |o|, because transf
orms create |
| 2242 // containers, so it should be safe to just subtract the delta between t
he ancestor and |o|. |
| 2243 LayoutSize containerOffset = ancestor->offsetFromAncestorContainer(o); |
| 2244 transformState.move(-containerOffset.width(), -containerOffset.height(),
preserve3D ? TransformState::AccumulateTransform : TransformState::FlattenTrans
form); |
| 2245 return; |
| 2246 } |
2223 | 2247 |
2224 o->mapLocalToAncestor(ancestor, transformState, mode, wasFixed, paintInvalid
ationState); | 2248 o->mapLocalToAncestor(ancestor, transformState, mode, wasFixed, paintInvalid
ationState); |
2225 } | 2249 } |
2226 | 2250 |
2227 const LayoutObject* LayoutObject::pushMappingToContainer(const LayoutBoxModelObj
ect* ancestorToStopAt, LayoutGeometryMap& geometryMap) const | 2251 const LayoutObject* LayoutObject::pushMappingToContainer(const LayoutBoxModelObj
ect* ancestorToStopAt, LayoutGeometryMap& geometryMap) const |
2228 { | 2252 { |
2229 ASSERT_NOT_REACHED(); | 2253 ASSERT_NOT_REACHED(); |
2230 return nullptr; | 2254 return nullptr; |
2231 } | 2255 } |
2232 | 2256 |
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3616 const blink::LayoutObject* root = object1; | 3640 const blink::LayoutObject* root = object1; |
3617 while (root->parent()) | 3641 while (root->parent()) |
3618 root = root->parent(); | 3642 root = root->parent(); |
3619 root->showLayoutTreeAndMark(object1, "*", object2, "-", 0); | 3643 root->showLayoutTreeAndMark(object1, "*", object2, "-", 0); |
3620 } else { | 3644 } else { |
3621 fprintf(stderr, "Cannot showLayoutTree. Root is (nil)\n"); | 3645 fprintf(stderr, "Cannot showLayoutTree. Root is (nil)\n"); |
3622 } | 3646 } |
3623 } | 3647 } |
3624 | 3648 |
3625 #endif | 3649 #endif |
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