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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_NG_NG_TEXT_FRAGMENT_PAINTER_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_PAINT_NG_NG_TEXT_FRAGMENT_PAINTER_H_
#include "third_party/abseil-cpp/absl/types/optional.h"
#include "third_party/blink/renderer/core/layout/ng/inline/ng_inline_cursor.h"
#include "third_party/blink/renderer/core/style/computed_style_constants.h"
#include "third_party/blink/renderer/platform/geometry/layout_rect.h"
#include "third_party/blink/renderer/platform/wtf/allocator/allocator.h"
namespace blink {
class ComputedStyle;
class DisplayItemClient;
class LayoutObject;
class NGInlineCursor;
struct NGTextFragmentPaintInfo;
struct PaintInfo;
struct PhysicalOffset;
struct PhysicalRect;
struct PhysicalSize;
// Text fragment painter for LayoutNG. Operates on NGFragmentItem that IsText()
// and handles clipping, selection, etc. Delegates to NGTextPainter to paint the
// text itself.
class NGTextFragmentPainter {
STACK_ALLOCATED();
public:
explicit NGTextFragmentPainter(const NGInlineCursor& cursor)
: cursor_(cursor) {}
NGTextFragmentPainter(const NGInlineCursor& cursor,
const PhysicalOffset& parent_offset)
: cursor_(cursor), parent_offset_(parent_offset) {}
void Paint(const PaintInfo&, const PhysicalOffset& paint_offset);
private:
void Paint(const NGTextFragmentPaintInfo& fragment_paint_info,
const LayoutObject* layout_object,
const DisplayItemClient& display_item_client,
const ComputedStyle& style,
PhysicalRect box_rect,
const IntRect& visual_rect,
bool is_ellipsis,
bool is_symbol_marker,
const PaintInfo& paint_info,
const PhysicalOffset& paint_offset);
static void PaintSymbol(const LayoutObject* layout_object,
const ComputedStyle& style,
const PhysicalSize box_size,
const PaintInfo& paint_info,
const PhysicalOffset& paint_offset);
const NGInlineCursor& cursor_;
PhysicalOffset parent_offset_;
absl::optional<NGInlineCursor> inline_cursor_for_block_flow_;
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_CORE_PAINT_NG_NG_TEXT_FRAGMENT_PAINTER_H_
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