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LibGfx: Move other font-related files to LibGfx/Font/
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131 changed files with 177 additions and 176 deletions
162
Userland/Libraries/LibGfx/Font/BitmapFont.h
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162
Userland/Libraries/LibGfx/Font/BitmapFont.h
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/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <AK/CharacterTypes.h>
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#include <AK/RefCounted.h>
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#include <AK/RefPtr.h>
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#include <AK/String.h>
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#include <AK/Types.h>
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#include <AK/Vector.h>
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#include <LibCore/MappedFile.h>
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#include <LibGfx/Font/Font.h>
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#include <LibGfx/Size.h>
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namespace Gfx {
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class BitmapFont final : public Font {
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public:
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NonnullRefPtr<Font> clone() const override;
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static NonnullRefPtr<BitmapFont> create(u8 glyph_height, u8 glyph_width, bool fixed, size_t glyph_count);
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virtual FontPixelMetrics pixel_metrics() const override;
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NonnullRefPtr<BitmapFont> masked_character_set() const;
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NonnullRefPtr<BitmapFont> unmasked_character_set() const;
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static RefPtr<BitmapFont> load_from_file(String const& path);
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bool write_to_file(String const& path);
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~BitmapFont();
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u8* rows() { return m_rows; }
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u8* widths() { return m_glyph_widths; }
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u8 presentation_size() const override { return m_presentation_size; }
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void set_presentation_size(u8 size) { m_presentation_size = size; }
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virtual int pixel_size() const override { return m_glyph_height; }
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virtual float point_size() const override { return static_cast<float>(m_glyph_height) * 0.75f; }
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u16 weight() const override { return m_weight; }
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void set_weight(u16 weight) { m_weight = weight; }
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virtual u8 slope() const override { return m_slope; }
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void set_slope(u8 slope) { m_slope = slope; }
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Glyph glyph(u32 code_point) const override;
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Glyph raw_glyph(u32 code_point) const;
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bool contains_glyph(u32 code_point) const override;
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bool contains_raw_glyph(u32 code_point) const { return m_glyph_widths[code_point] > 0; }
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ALWAYS_INLINE int glyph_or_emoji_width(u32 code_point) const override
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{
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if (m_fixed_width)
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return m_glyph_width;
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return glyph_or_emoji_width_for_variable_width_font(code_point);
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}
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float glyphs_horizontal_kerning(u32, u32) const override { return 0.f; }
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u8 glyph_height() const override { return m_glyph_height; }
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int x_height() const override { return m_x_height; }
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int preferred_line_height() const override { return glyph_height() + m_line_gap; }
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u8 glyph_width(u32 code_point) const override;
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u8 raw_glyph_width(u32 code_point) const { return m_glyph_widths[code_point]; }
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u8 min_glyph_width() const override { return m_min_glyph_width; }
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u8 max_glyph_width() const override { return m_max_glyph_width; }
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u8 glyph_fixed_width() const override { return m_glyph_width; }
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u8 baseline() const override { return m_baseline; }
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void set_baseline(u8 baseline)
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{
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m_baseline = baseline;
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update_x_height();
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}
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u8 mean_line() const override { return m_mean_line; }
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void set_mean_line(u8 mean_line)
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{
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m_mean_line = mean_line;
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update_x_height();
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}
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int width(StringView) const override;
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int width(Utf8View const&) const override;
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int width(Utf32View const&) const override;
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String name() const override { return m_name; }
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void set_name(String name) { m_name = move(name); }
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bool is_fixed_width() const override { return m_fixed_width; }
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void set_fixed_width(bool b) { m_fixed_width = b; }
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u8 glyph_spacing() const override { return m_glyph_spacing; }
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void set_glyph_spacing(u8 spacing) { m_glyph_spacing = spacing; }
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void set_glyph_width(u32 code_point, u8 width)
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{
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VERIFY(m_glyph_widths);
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m_glyph_widths[code_point] = width;
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}
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size_t glyph_count() const override { return m_glyph_count; }
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Optional<size_t> glyph_index(u32 code_point) const;
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u16 range_size() const { return m_range_mask_size; }
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bool is_range_empty(u32 code_point) const { return !(m_range_mask[code_point / 256 / 8] & 1 << (code_point / 256 % 8)); }
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String family() const override { return m_family; }
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void set_family(String family) { m_family = move(family); }
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String variant() const override;
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String qualified_name() const override;
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String human_readable_name() const override { return String::formatted("{} {} {}", family(), variant(), presentation_size()); }
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private:
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BitmapFont(String name, String family, u8* rows, u8* widths, bool is_fixed_width,
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u8 glyph_width, u8 glyph_height, u8 glyph_spacing, u16 range_mask_size, u8* range_mask,
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u8 baseline, u8 mean_line, u8 presentation_size, u16 weight, u8 slope, bool owns_arrays = false);
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static RefPtr<BitmapFont> load_from_memory(u8 const*);
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template<typename T>
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int unicode_view_width(T const& view) const;
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void update_x_height() { m_x_height = m_baseline - m_mean_line; };
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int glyph_or_emoji_width_for_variable_width_font(u32 code_point) const;
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String m_name;
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String m_family;
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size_t m_glyph_count { 0 };
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u16 m_range_mask_size { 0 };
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u8* m_range_mask { nullptr };
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Vector<Optional<size_t>> m_range_indices;
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u8* m_rows { nullptr };
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u8* m_glyph_widths { nullptr };
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RefPtr<Core::MappedFile> m_mapped_file;
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u8 m_glyph_width { 0 };
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u8 m_glyph_height { 0 };
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u8 m_x_height { 0 };
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u8 m_min_glyph_width { 0 };
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u8 m_max_glyph_width { 0 };
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u8 m_glyph_spacing { 0 };
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u8 m_baseline { 0 };
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u8 m_mean_line { 0 };
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u8 m_presentation_size { 0 };
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u16 m_weight { 0 };
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u8 m_slope { 0 };
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u8 m_line_gap { 4 };
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bool m_fixed_width { false };
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bool m_owns_arrays { false };
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};
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}
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