svg_layout_support.cc | Explore in Territory

/*
 * Copyright (C) 2007, 2008 Rob Buis <[email protected]>
 * Copyright (C) 2007 Nikolas Zimmermann <[email protected]>
 * Copyright (C) 2007 Eric Seidel <[email protected]>
 * Copyright (C) 2009 Google, Inc.  All rights reserved.
 * Copyright (C) 2009 Dirk Schulze <[email protected]>
 * Copyright (C) Research In Motion Limited 2009-2010. All rights reserved.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Library General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Library General Public License for more details.
 *
 * You should have received a copy of the GNU Library General Public License
 * along with this library; see the file COPYING.LIB.  If not, write to
 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA 02110-1301, USA.
 */

#include "third_party/blink/renderer/core/layout/svg/svg_layout_support.h"

#include "third_party/blink/renderer/core/layout/geometry/transform_state.h"
#include "third_party/blink/renderer/core/layout/hit_test_location.h"
#include "third_party/blink/renderer/core/layout/svg/layout_svg_inline_text.h"
#include "third_party/blink/renderer/core/layout/svg/layout_svg_resource_clipper.h"
#include "third_party/blink/renderer/core/layout/svg/layout_svg_resource_masker.h"
#include "third_party/blink/renderer/core/layout/svg/layout_svg_root.h"
#include "third_party/blink/renderer/core/layout/svg/svg_resources.h"
#include "third_party/blink/renderer/core/paint/css_mask_painter.h"
#include "third_party/blink/renderer/core/paint/outline_painter.h"
#include "third_party/blink/renderer/core/paint/paint_layer.h"
#include "third_party/blink/renderer/core/svg/svg_element.h"
#include "third_party/blink/renderer/core/svg/svg_length_functions.h"
#include "third_party/blink/renderer/platform/graphics/stroke_data.h"
#include "third_party/blink/renderer/platform/heap/collection_support/clear_collection_scope.h"
#include "third_party/blink/renderer/platform/wtf/math_extras.h"
#include "ui/gfx/geometry/rect_conversions.h"

namespace blink {

namespace {

AffineTransform DeprecatedCalculateTransformToLayer(
    const LayoutObject* layout_object) { … }

}  // namespace

struct SearchCandidate { … };

gfx::RectF SVGLayoutSupport::LocalVisualRect(const LayoutObject& object) { … }

PhysicalRect SVGLayoutSupport::VisualRectInAncestorSpace(
    const LayoutObject& object,
    const LayoutBoxModelObject& ancestor,
    VisualRectFlags flags) { … }

static gfx::RectF MapToSVGRootIncludingFilter(
    const LayoutObject& object,
    const gfx::RectF& local_visual_rect) { … }

static const LayoutSVGRoot& ComputeTransformToSVGRoot(
    const LayoutObject& object,
    AffineTransform& root_border_box_transform,
    bool* filter_skipped) { … }

bool SVGLayoutSupport::MapToVisualRectInAncestorSpace(
    const LayoutObject& object,
    const LayoutBoxModelObject* ancestor,
    const gfx::RectF& local_visual_rect,
    PhysicalRect& result_rect,
    VisualRectFlags visual_rect_flags) { … }

void SVGLayoutSupport::MapLocalToAncestor(const LayoutObject* object,
                                          const LayoutBoxModelObject* ancestor,
                                          TransformState& transform_state,
                                          MapCoordinatesFlags flags) { … }

void SVGLayoutSupport::MapAncestorToLocal(const LayoutObject& object,
                                          const LayoutBoxModelObject* ancestor,
                                          TransformState& transform_state,
                                          MapCoordinatesFlags flags) { … }

bool SVGLayoutSupport::IsOverflowHidden(const LayoutObject& object) { … }

bool SVGLayoutSupport::IsOverflowHidden(const ComputedStyle& style) { … }

void SVGLayoutSupport::AdjustWithClipPathAndMask(
    const LayoutObject& layout_object,
    const gfx::RectF& object_bounding_box,
    gfx::RectF& visual_rect) { … }

gfx::RectF SVGLayoutSupport::ExtendTextBBoxWithStroke(
    const LayoutObject& layout_object,
    const gfx::RectF& text_bounds) { … }

gfx::RectF SVGLayoutSupport::ComputeVisualRectForText(
    const LayoutObject& layout_object,
    const gfx::RectF& text_bounds) { … }

DashArray SVGLayoutSupport::ResolveSVGDashArray(
    const SVGDashArray& svg_dash_array,
    const ComputedStyle& style,
    const SVGViewportResolver& viewport_resolver) { … }

void SVGLayoutSupport::ApplyStrokeStyleToStrokeData(StrokeData& stroke_data,
                                                    const ComputedStyle& style,
                                                    const LayoutObject& object,
                                                    float dash_scale_factor) { … }

bool SVGLayoutSupport::IsLayoutableTextNode(const LayoutObject* object) { … }

bool SVGLayoutSupport::WillIsolateBlendingDescendantsForStyle(
    const ComputedStyle& style) { … }

bool SVGLayoutSupport::WillIsolateBlendingDescendantsForObject(
    const LayoutObject* object) { … }

bool SVGLayoutSupport::IsIsolationRequired(const LayoutObject* object) { … }

AffineTransform SubtreeContentTransformScope::current_content_transformation_;

SubtreeContentTransformScope::SubtreeContentTransformScope(
    const AffineTransform& subtree_content_transformation)
    : … { … }

SubtreeContentTransformScope::~SubtreeContentTransformScope() { … }

float SVGLayoutSupport::CalculateScreenFontSizeScalingFactor(
    const LayoutObject* layout_object) { … }

static inline bool CompareCandidateDistance(const SearchCandidate& r1,
                                            const SearchCandidate& r2) { … }

static inline double DistanceToChildLayoutObject(LayoutObject* child,
                                                 const gfx::PointF& point) { … }

static SearchCandidate SearchTreeForFindClosestLayoutSVGText(
    const LayoutObject* layout_object,
    const gfx::PointF& point) { … }

LayoutObject* SVGLayoutSupport::FindClosestLayoutSVGText(
    const LayoutObject* layout_object,
    const gfx::PointF& point) { … }

}  // namespace blink

WTF_ALLOW_CLEAR_UNUSED_SLOTS_WITH_MEM_FUNCTIONS(…)
chromium/third_party/blink/renderer/core/layout/svg/svg_layout_support.cc
