chromium/third_party/blink/renderer/core/layout/svg/transform_helper.cc

// Copyright 2019 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

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

#include "third_party/blink/public/mojom/use_counter/metrics/web_feature.mojom-blink.h"
#include "third_party/blink/renderer/core/dom/node_computed_style.h"
#include "third_party/blink/renderer/core/layout/layout_object.h"
#include "third_party/blink/renderer/core/layout/svg/svg_resources.h"
#include "third_party/blink/renderer/core/style/computed_style.h"
#include "third_party/blink/renderer/core/style/reference_offset_path_operation.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/instrumentation/use_counter.h"
#include "ui/gfx/geometry/rect_f.h"
#include "ui/gfx/geometry/size_f.h"

namespace blink {

namespace {

bool StrokeBoundingBoxMayHaveChanged(const ComputedStyle& old_style,
                                     const ComputedStyle& style) { … }

}  // namespace

static inline bool TransformOriginIsFixed(const ComputedStyle& style) { … }

// static
void TransformHelper::UpdateOffsetPath(SVGElement& element,
                                       const ComputedStyle* old_style) { … }

bool TransformHelper::DependsOnReferenceBox(const ComputedStyle& style) { … }

bool TransformHelper::UpdateReferenceBoxDependency(
    LayoutObject& layout_object) { … }

void TransformHelper::UpdateReferenceBoxDependency(
    LayoutObject& layout_object,
    bool transform_uses_reference_box) { … }

bool TransformHelper::CheckReferenceBoxDependencies(
    const ComputedStyle& old_style,
    const ComputedStyle& style) { … }

gfx::RectF TransformHelper::ComputeReferenceBox(
    const LayoutObject& layout_object) { … }

AffineTransform TransformHelper::ComputeTransform(
    UseCounter& use_counter,
    const ComputedStyle& style,
    const gfx::RectF& reference_box,
    ComputedStyle::ApplyTransformOrigin apply_transform_origin) { … }

AffineTransform TransformHelper::ComputeTransformIncludingMotion(
    const SVGElement& element,
    const gfx::RectF& reference_box) { … }

AffineTransform TransformHelper::ComputeTransformIncludingMotion(
    const SVGElement& element) { … }

gfx::PointF TransformHelper::ComputeTransformOrigin(
    const ComputedStyle& style,
    const gfx::RectF& reference_box) { … }

}  // namespace blink