| // 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/blink/renderer/core/layout/ng/inline/ng_physical_text_fragment.h" |
| #include "third_party/blink/renderer/core/paint/ng/ng_paint_fragment.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 NGPaintFragment; |
| class NGInlineCursor; |
| struct NGTextFragmentPaintInfo; |
| struct PaintInfo; |
| struct PhysicalOffset; |
| struct PhysicalRect; |
| struct PhysicalSize; |
| |
| // The helper class for templatize |NGTextFragmentPainter|. |
| // TODO(yosin): Remove |NGTextPainterCursor| once the transition to |
| // |NGFragmentItem| is done. http://crbug.com/982194 |
| class NGTextPainterCursor { |
| STACK_ALLOCATED(); |
| |
| public: |
| explicit NGTextPainterCursor(const NGPaintFragment& paint_fragment) |
| : paint_fragment_(paint_fragment), |
| text_fragment_( |
| To<NGPhysicalTextFragment>(paint_fragment.PhysicalFragment())) {} |
| |
| const NGPaintFragment& PaintFragment() const { return paint_fragment_; } |
| const NGPhysicalTextFragment* CurrentItem() const { return &text_fragment_; } |
| |
| private: |
| const NGPaintFragment& paint_fragment_; |
| const NGPhysicalTextFragment& text_fragment_; |
| }; |
| |
| // Text fragment painter for LayoutNG. Operates on NGPhysicalTextFragments and |
| // handles clipping, selection, etc. Delegates to NGTextPainter to paint the |
| // text itself. |
| // TODO(yosin): We should make |NGTextFragmentPainter| non-template class onnce |
| // we get rid of |NGPaintFragment|. |
| template <typename Cursor> |
| class NGTextFragmentPainter { |
| STACK_ALLOCATED(); |
| |
| public: |
| explicit NGTextFragmentPainter(const Cursor&); |
| |
| 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 Cursor& cursor_; |
| }; |
| |
| extern template class NGTextFragmentPainter<NGTextPainterCursor>; |
| extern template class NGTextFragmentPainter<NGInlineCursor>; |
| |
| } // namespace blink |
| |
| #endif // THIRD_PARTY_BLINK_RENDERER_CORE_PAINT_NG_NG_TEXT_FRAGMENT_PAINTER_H_ |