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Unified Diff: ui/gfx/render_text_win.h

Issue 891013003: Delete RenderTextWin and RenderTextPango. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: update switch comment Created 5 years, 11 months ago
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Index: ui/gfx/render_text_win.h
diff --git a/ui/gfx/render_text_win.h b/ui/gfx/render_text_win.h
deleted file mode 100644
index e614594947fbb1d90b5beb15482b653ff7394d80..0000000000000000000000000000000000000000
--- a/ui/gfx/render_text_win.h
+++ /dev/null
@@ -1,147 +0,0 @@
-// Copyright (c) 2012 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_WIN_H_
-#define UI_GFX_RENDER_TEXT_WIN_H_
-
-#include <usp10.h>
-
-#include <map>
-#include <string>
-#include <vector>
-
-#include "base/memory/scoped_ptr.h"
-#include "base/memory/scoped_vector.h"
-#include "ui/gfx/render_text.h"
-
-namespace gfx {
-
-namespace internal {
-
-struct TextRun {
- TextRun();
- ~TextRun();
-
- Range range;
- Font font;
- // A gfx::Font::FontStyle flag to specify bold and italic styles.
- // Supersedes |font.GetFontStyle()|. Stored separately to avoid calling
- // |font.DeriveFont()|, which is expensive on Windows.
- int font_style;
-
- bool strike;
- bool diagonal_strike;
- bool underline;
-
- int width;
- // The cumulative widths of preceding runs.
- int preceding_run_widths;
-
- SCRIPT_ANALYSIS script_analysis;
-
- scoped_ptr<WORD[]> glyphs;
- scoped_ptr<WORD[]> logical_clusters;
- scoped_ptr<SCRIPT_VISATTR[]> visible_attributes;
- int glyph_count;
-
- scoped_ptr<int[]> advance_widths;
- scoped_ptr<GOFFSET[]> offsets;
- ABC abc_widths;
- SCRIPT_CACHE script_cache;
-
- private:
- DISALLOW_COPY_AND_ASSIGN(TextRun);
-};
-
-} // namespace internal
-
-// RenderTextWin is the Windows implementation of RenderText using Uniscribe.
-class RenderTextWin : public RenderText {
- public:
- RenderTextWin();
- virtual ~RenderTextWin();
-
- // Overridden from RenderText:
- virtual scoped_ptr<RenderText> CreateInstanceOfSameType() const override;
- virtual Size GetStringSize() override;
- virtual SelectionModel FindCursorPosition(const Point& point) override;
- virtual std::vector<FontSpan> GetFontSpansForTesting() override;
-
- protected:
- // Overridden from RenderText:
- virtual int GetLayoutTextBaseline() override;
- virtual SelectionModel AdjacentCharSelectionModel(
- const SelectionModel& selection,
- VisualCursorDirection direction) override;
- virtual SelectionModel AdjacentWordSelectionModel(
- const SelectionModel& selection,
- VisualCursorDirection direction) override;
- virtual Range GetGlyphBounds(size_t index) override;
- virtual std::vector<Rect> GetSubstringBounds(const Range& range) override;
- virtual size_t TextIndexToLayoutIndex(size_t index) const override;
- virtual size_t LayoutIndexToTextIndex(size_t index) const override;
- virtual bool IsValidCursorIndex(size_t index) override;
- virtual void ResetLayout() override;
- virtual void EnsureLayout() override;
- virtual void DrawVisualText(Canvas* canvas) override;
-
- private:
- FRIEND_TEST_ALL_PREFIXES(RenderTextTest, Win_BreakRunsByUnicodeBlocks);
- FRIEND_TEST_ALL_PREFIXES(RenderTextTest, Win_LogicalClusters);
- FRIEND_TEST_ALL_PREFIXES(RenderTextTest, Multiline_MinWidth);
- FRIEND_TEST_ALL_PREFIXES(RenderTextTest, Multiline_NormalWidth);
- FRIEND_TEST_ALL_PREFIXES(RenderTextTest, BreakRunsByUnicodeBlocks);
-
- void ItemizeLogicalText();
- void LayoutVisualText();
- void LayoutTextRun(internal::TextRun* run);
-
- // Helper function that calls |ScriptShape()| on the run, which has logic to
- // handle E_OUTOFMEMORY return codes.
- HRESULT ShapeTextRunWithFont(internal::TextRun* run, const Font& font);
-
- // Returns the number of characters in |run| that have missing glyphs.
- int CountCharsWithMissingGlyphs(internal::TextRun* run,
- HRESULT shaping_result) const;
-
- // 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) 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::TextRun* run);
- SelectionModel LastSelectionModelInsideRun(const internal::TextRun* run);
-
- // Cached HDC for performing Uniscribe API calls.
- static HDC cached_hdc_;
-
- // Cached map from font name to the last successful substitute font used.
- // TODO(asvitkine): Move the caching logic to font_fallback_win.cc.
- static std::map<std::string, Font> successful_substitute_fonts_;
-
- SCRIPT_CONTROL script_control_;
- SCRIPT_STATE script_state_;
-
- ScopedVector<internal::TextRun> runs_;
-
- // Single line width of the layout text.
- int string_width_;
-
- // Wrapped multiline size of the layout text.
- Size multiline_string_size_;
-
- scoped_ptr<int[]> visual_to_logical_;
- scoped_ptr<int[]> logical_to_visual_;
-
- bool needs_layout_;
-
- DISALLOW_COPY_AND_ASSIGN(RenderTextWin);
-};
-
-} // namespace gfx
-
-#endif // UI_GFX_RENDER_TEXT_WIN_H_
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