chromium/third_party/blink/renderer/core/svg/svg_transform_list.cc

/*
 * Copyright (C) 2004, 2005, 2008 Nikolas Zimmermann <[email protected]>
 * Copyright (C) 2004, 2005, 2006, 2007 Rob Buis <[email protected]>
 * Copyright (C) 2007 Eric Seidel <[email protected]>
 * Copyright (C) 2008 Apple Inc. All rights reserved.
 * Copyright (C) Research In Motion Limited 2012. 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.
 */

#ifdef UNSAFE_BUFFERS_BUILD
// TODO(crbug.com/351564777): Remove this and convert code to safer constructs.
#pragma allow_unsafe_buffers
#endif

#include "third_party/blink/renderer/core/svg/svg_transform_list.h"

#include "third_party/blink/renderer/core/css/css_function_value.h"
#include "third_party/blink/renderer/core/css/css_identifier_value.h"
#include "third_party/blink/renderer/core/css/css_numeric_literal_value.h"
#include "third_party/blink/renderer/core/css/css_primitive_value.h"
#include "third_party/blink/renderer/core/css/css_value_list.h"
#include "third_party/blink/renderer/core/svg/animation/smil_animation_effect_parameters.h"
#include "third_party/blink/renderer/core/svg/svg_parser_utilities.h"
#include "third_party/blink/renderer/core/svg/svg_transform_distance.h"
#include "third_party/blink/renderer/platform/heap/garbage_collected.h"
#include "third_party/blink/renderer/platform/runtime_enabled_features.h"
#include "third_party/blink/renderer/platform/wtf/text/character_visitor.h"
#include "third_party/blink/renderer/platform/wtf/text/parsing_utilities.h"
#include "third_party/blink/renderer/platform/wtf/text/wtf_string.h"

namespace blink {

namespace {

// These should be kept in sync with enum SVGTransformType
const unsigned kRequiredValuesForType[] = …;
const unsigned kOptionalValuesForType[] = …;
static_assert …;
static_assert …;
static_assert …;
static_assert …;
static_assert …;
static_assert …;
static_assert …;
static_assert …;
static_assert …;

constexpr size_t kMaxTransformArguments = …;

class TransformArguments { … };

SVGTransformData;

SVGTransformData SkewXTransformValue(float angle) { … }
SVGTransformData SkewYTransformValue(float angle) { … }
SVGTransformData ScaleTransformValue(float sx, float sy) { … }
SVGTransformData TranslateTransformValue(float tx, float ty) { … }
SVGTransformData RotateTransformValue(float angle, float cx, float cy) { … }
SVGTransformData MatrixTransformValue(const TransformArguments& arguments) { … }

template <typename CharType>
SVGParseStatus ParseTransformArgumentsForType(SVGTransformType type,
                                              const CharType*& ptr,
                                              const CharType* end,
                                              TransformArguments& arguments) { … }

SVGTransformData TransformDataFromValues(SVGTransformType type,
                                         const TransformArguments& arguments) { … }

SVGTransform* CreateTransformFromValues(SVGTransformType type,
                                        const TransformArguments& arguments) { … }

}  // namespace

SVGTransformList::SVGTransformList() = default;

SVGTransformList::SVGTransformList(SVGTransformType transform_type,
                                   const String& value) { … }

SVGTransformList::~SVGTransformList() = default;

AffineTransform SVGTransformList::Concatenate() const { … }

namespace {

CSSValueID MapTransformFunction(const SVGTransform& transform) { … }

CSSValue* CreateTransformCSSValue(const SVGTransform& transform) { … }

}  // namespace

const CSSValue* SVGTransformList::CssValue() const { … }

namespace {

template <typename CharType>
SVGTransformType ParseAndSkipTransformType(const CharType*& ptr,
                                           const CharType* end) { … }

}  // namespace

template <typename CharType>
SVGParsingError SVGTransformList::ParseInternal(const CharType*& ptr,
                                                const CharType* end) { … }

bool SVGTransformList::Parse(const UChar*& ptr, const UChar* end) { … }

bool SVGTransformList::Parse(const LChar*& ptr, const LChar* end) { … }

SVGTransformType ParseTransformType(const String& string) { … }

SVGParsingError SVGTransformList::SetValueAsString(const String& value) { … }

SVGPropertyBase* SVGTransformList::CloneForAnimation(
    const String& value) const { … }

void SVGTransformList::Add(const SVGPropertyBase* other,
                           const SVGElement* context_element) { … }

void SVGTransformList::CalculateAnimatedValue(
    const SMILAnimationEffectParameters& parameters,
    float percentage,
    unsigned repeat_count,
    const SVGPropertyBase* from_value,
    const SVGPropertyBase* to_value,
    const SVGPropertyBase* to_at_end_of_duration_value,
    const SVGElement* context_element) { … }

float SVGTransformList::CalculateDistance(const SVGPropertyBase* to_value,
                                          const SVGElement*) const { … }

}  // namespace blink