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/*
* Copyright (C) 2004, 2005, 2006 Nikolas Zimmermann <zimmermann@kde.org>
* Copyright (C) 2004, 2005, 2006, 2007 Rob Buis <buis@kde.org>
* Copyright (C) 2007 Apple Inc. 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/svg/svg_rect.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/platform/heap/garbage_collected.h"
#include "third_party/blink/renderer/platform/wtf/text/character_visitor.h"
#include "third_party/blink/renderer/platform/wtf/text/string_builder.h"
#include "third_party/blink/renderer/platform/wtf/text/wtf_string.h"
namespace blink {
SVGRect* SVGRect::Clone() const {
return MakeGarbageCollected<SVGRect>(x_, y_, width_, height_);
}
template <typename CharType>
SVGParsingError SVGRect::Parse(const CharType*& ptr, const CharType* end) {
const CharType* start = ptr;
float x = 0;
float y = 0;
float width = 0;
float height = 0;
if (!ParseNumber(ptr, end, x) || !ParseNumber(ptr, end, y) ||
!ParseNumber(ptr, end, width) ||
!ParseNumber(ptr, end, height, kDisallowWhitespace))
return SVGParsingError(SVGParseStatus::kExpectedNumber, ptr - start);
if (SkipOptionalSVGSpaces(ptr, end)) {
// Nothing should come after the last, fourth number.
return SVGParsingError(SVGParseStatus::kTrailingGarbage, ptr - start);
}
Set(x, y, width, height);
is_valid_ = true;
return SVGParseStatus::kNoError;
}
SVGParsingError SVGRect::SetValueAsString(const String& string) {
// In case the string is invalid, the rect will be treated as invalid.
is_valid_ = false;
// Also clear the existing values.
Set(0, 0, 0, 0);
if (string.IsNull())
return SVGParseStatus::kNoError;
if (string.empty())
return SVGParsingError(SVGParseStatus::kExpectedNumber, 0);
return WTF::VisitCharacters(string, [&](auto chars) {
const auto* start = chars.data();
return Parse(start, start + chars.size());
});
}
String SVGRect::ValueAsString() const {
StringBuilder builder;
builder.AppendNumber(X());
builder.Append(' ');
builder.AppendNumber(Y());
builder.Append(' ');
builder.AppendNumber(Width());
builder.Append(' ');
builder.AppendNumber(Height());
return builder.ToString();
}
void SVGRect::Add(const SVGPropertyBase* other, const SVGElement*) {
auto* other_rect = To<SVGRect>(other);
Add(other_rect->x_, other_rect->y_, other_rect->width_, other_rect->height_);
}
void SVGRect::Set(float x, float y, float width, float height) {
x_ = x;
y_ = y;
width_ = width;
height_ = height;
}
void SVGRect::Add(float x, float y, float width, float height) {
x_ += x;
y_ += y;
width_ += width;
height_ += height;
}
void SVGRect::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*) {
auto* from_rect = To<SVGRect>(from_value);
auto* to_rect = To<SVGRect>(to_value);
auto* to_at_end_of_duration_rect = To<SVGRect>(to_at_end_of_duration_value);
float x = ComputeAnimatedNumber(parameters, percentage, repeat_count,
from_rect->X(), to_rect->X(),
to_at_end_of_duration_rect->X());
float y = ComputeAnimatedNumber(parameters, percentage, repeat_count,
from_rect->Y(), to_rect->Y(),
to_at_end_of_duration_rect->Y());
float width = ComputeAnimatedNumber(parameters, percentage, repeat_count,
from_rect->Width(), to_rect->Width(),
to_at_end_of_duration_rect->Width());
float height = ComputeAnimatedNumber(parameters, percentage, repeat_count,
from_rect->Height(), to_rect->Height(),
to_at_end_of_duration_rect->Height());
if (parameters.is_additive)
Add(x, y, width, height);
else
Set(x, y, width, height);
}
float SVGRect::CalculateDistance(const SVGPropertyBase* to,
const SVGElement* context_element) const {
// FIXME: Distance calculation is not possible for SVGRect right now. We need
// the distance for every single value.
return -1;
}
} // namespace blink
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