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// Copyright 2015 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef THIRD_PARTY_BLINK_RENDERER_CORE_ANIMATION_INTERPOLATED_SVG_PATH_SOURCE_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_ANIMATION_INTERPOLATED_SVG_PATH_SOURCE_H_
#include "base/macros.h"
#include "third_party/blink/renderer/core/animation/svg_path_seg_interpolation_functions.h"
#include "third_party/blink/renderer/core/svg/svg_path_data.h"
#include "third_party/blink/renderer/platform/wtf/vector.h"
namespace blink {
class InterpolatedSVGPathSource {
STACK_ALLOCATED();
public:
InterpolatedSVGPathSource(const InterpolableList& list_value,
const Vector<SVGPathSegType>& path_seg_types)
: current_index_(0),
interpolable_path_segs_(list_value),
path_seg_types_(path_seg_types) {
DCHECK_EQ(interpolable_path_segs_.length(), path_seg_types_.size());
}
bool HasMoreData() const;
PathSegmentData ParseSegment();
private:
PathCoordinates current_coordinates_;
wtf_size_t current_index_;
const InterpolableList& interpolable_path_segs_;
const Vector<SVGPathSegType>& path_seg_types_;
DISALLOW_COPY_AND_ASSIGN(InterpolatedSVGPathSource);
};
bool InterpolatedSVGPathSource::HasMoreData() const {
return current_index_ < interpolable_path_segs_.length();
}
PathSegmentData InterpolatedSVGPathSource::ParseSegment() {
PathSegmentData segment =
SVGPathSegInterpolationFunctions::ConsumeInterpolablePathSeg(
*interpolable_path_segs_.Get(current_index_),
path_seg_types_.at(current_index_), current_coordinates_);
current_index_++;
return segment;
}
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_CORE_ANIMATION_INTERPOLATED_SVG_PATH_SOURCE_H_
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