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// Copyright 2017 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_PAINT_COLLAPSED_BORDER_PAINTER_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_PAINT_COLLAPSED_BORDER_PAINTER_H_
#include "third_party/blink/renderer/core/layout/layout_table.h"
#include "third_party/blink/renderer/core/layout/layout_table_cell.h"
#include "third_party/blink/renderer/platform/wtf/allocator.h"
namespace blink {
struct PaintInfo;
class LayoutPoint;
class CollapsedBorderPainter {
STACK_ALLOCATED();
public:
CollapsedBorderPainter(const LayoutTableCell& cell)
: cell_(cell), table_(*cell.Table()) {}
void PaintCollapsedBorders(const PaintInfo&, const LayoutPoint&);
private:
void SetupBorders();
void AdjustJoints();
void AdjustForWritingModeAndDirection();
const LayoutTableCell& cell_;
const LayoutTable& table_;
struct Border {
// This will be set to null if we don't need to paint this border.
const CollapsedBorderValue* value = nullptr;
int inner_width = 0;
int outer_width = 0;
// We may paint the border not in full length if the corner is covered by
// another higher priority border. The following are the outsets from the
// border box of the begin and end points of the painted segment.
int begin_outset = 0;
int end_outset = 0;
};
Border start_;
Border end_;
Border before_;
Border after_;
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_CORE_PAINT_COLLAPSED_BORDER_PAINTER_H_
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