More old files deletion.

ui/gfx/render_text_harfbuzz.h

-// Copyright 2014 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 UI_GFX_RENDER_TEXT_HARFBUZZ_H_
-#define UI_GFX_RENDER_TEXT_HARFBUZZ_H_
-
-#include "base/memory/scoped_ptr.h"
-#include "base/memory/scoped_vector.h"
-#include "third_party/harfbuzz-ng/src/hb.h"
-#include "third_party/icu/source/common/unicode/ubidi.h"
-#include "third_party/icu/source/common/unicode/uscript.h"
-#include "ui/gfx/render_text.h"
-
-namespace base {
-namespace i18n {
-class BreakIterator;
-}
-}
-
-namespace gfx {
-
-namespace internal {
-
-struct GFX_EXPORT TextRunHarfBuzz {
-  TextRunHarfBuzz();
-  ~TextRunHarfBuzz();
-
-  // Returns the index of the first glyph that corresponds to the character at
-  // |pos|.
-  size_t CharToGlyph(size_t pos) const;
-
-  // Returns the corresponding glyph range of the given character range.
-  // |range| is in text-space (0 corresponds to |GetLayoutText()[0]|). Returned
-  // value is in run-space (0 corresponds to the first glyph in the run).
-  Range CharRangeToGlyphRange(const Range& range) const;
-
-  // Returns the number of missing glyphs in the shaped text run.
-  size_t CountMissingGlyphs() const;
-
-  // Writes the character and glyph ranges of the cluster containing |pos|.
-  void GetClusterAt(size_t pos, Range* chars, Range* glyphs) const;
-
-  // Returns the grapheme bounds at |text_index|. Handles multi-grapheme glyphs.
-  Range GetGraphemeBounds(base::i18n::BreakIterator* grapheme_iterator,
-                          size_t text_index);
-
-  // Returns whether the given shaped run contains any missing glyphs.
-  bool HasMissingGlyphs() const;
-
-  float width;
-  float preceding_run_widths;
-  Range range;
-  bool is_rtl;
-  UBiDiLevel level;
-  UScriptCode script;
-
-  scoped_ptr<uint16[]> glyphs;
-  scoped_ptr<SkPoint[]> positions;
-  std::vector<uint32> glyph_to_char;
-  size_t glyph_count;
-
-  skia::RefPtr<SkTypeface> skia_face;
-  FontRenderParams render_params;
-  int font_size;
-  int font_style;
-  bool strike;
-  bool diagonal_strike;
-  bool underline;
-
- private:
-  DISALLOW_COPY_AND_ASSIGN(TextRunHarfBuzz);
-};
-
-}  // namespace internal
-
-class GFX_EXPORT RenderTextHarfBuzz : public RenderText {
- public:
-  RenderTextHarfBuzz();
-  ~RenderTextHarfBuzz() override;
-
-  // Overridden from RenderText.
-  Size GetStringSize() override;
-  SizeF GetStringSizeF() override;
-  SelectionModel FindCursorPosition(const Point& point) override;
-  std::vector<FontSpan> GetFontSpansForTesting() override;
-  Range GetGlyphBounds(size_t index) override;
-
- protected:
-  // Overridden from RenderText.
-  int GetLayoutTextBaseline() override;
-  SelectionModel AdjacentCharSelectionModel(
-      const SelectionModel& selection,
-      VisualCursorDirection direction) override;
-  SelectionModel AdjacentWordSelectionModel(
-      const SelectionModel& selection,
-      VisualCursorDirection direction) override;
-  std::vector<Rect> GetSubstringBounds(const Range& range) override;
-  size_t TextIndexToLayoutIndex(size_t index) const override;
-  size_t LayoutIndexToTextIndex(size_t index) const override;
-  bool IsValidCursorIndex(size_t index) override;
-  void ResetLayout() override;
-  void EnsureLayout() override;
-  void DrawVisualText(Canvas* canvas) override;
-
- private:
-  friend class RenderTextTest;
-  FRIEND_TEST_ALL_PREFIXES(RenderTextTest, HarfBuzz_RunDirection);
-  FRIEND_TEST_ALL_PREFIXES(RenderTextTest, HarfBuzz_BreakRunsByUnicodeBlocks);
-  FRIEND_TEST_ALL_PREFIXES(RenderTextTest, HarfBuzz_SubglyphGraphemeCases);
-  FRIEND_TEST_ALL_PREFIXES(RenderTextTest, HarfBuzz_SubglyphGraphemePartition);
-  FRIEND_TEST_ALL_PREFIXES(RenderTextTest, HarfBuzz_NonExistentFont);
-
-  // Return the run index that contains the argument; or the length of the
-  // |runs_| vector if argument exceeds the text length or width.
-  size_t GetRunContainingCaret(const SelectionModel& caret) const;
-  size_t GetRunContainingXCoord(int x, int* offset) const;
-
-  // Given a |run|, returns the SelectionModel that contains the logical first
-  // or last caret position inside (not at a boundary of) the run.
-  // The returned value represents a cursor/caret position without a selection.
-  SelectionModel FirstSelectionModelInsideRun(
-      const internal::TextRunHarfBuzz* run);
-  SelectionModel LastSelectionModelInsideRun(
-      const internal::TextRunHarfBuzz* run);
-
-  // Break the text into logical runs and populate the visual <-> logical maps.
-  void ItemizeText();
-
-  // Shape the glyphs needed for the text |run|.
-  void ShapeRun(internal::TextRunHarfBuzz* run);
-  bool ShapeRunWithFont(internal::TextRunHarfBuzz* run,
-                        const std::string& font);
-
-  // Text runs in logical order.
-  ScopedVector<internal::TextRunHarfBuzz> runs_;
-
-  // Maps visual run indices to logical run indices and vice versa.
-  std::vector<int32_t> visual_to_logical_;
-  std::vector<int32_t> logical_to_visual_;
-
-  bool needs_layout_;
-
-  // ICU grapheme iterator for the layout text. Valid when |!needs_layout_|. Can
-  // be NULL in case of an error.
-  scoped_ptr<base::i18n::BreakIterator> grapheme_iterator_;
-
-  DISALLOW_COPY_AND_ASSIGN(RenderTextHarfBuzz);
-};
-
-}  // namespace gfx
-
-#endif  // UI_GFX_RENDER_TEXT_HARFBUZZ_H_