diff options
Diffstat (limited to 'scene/resources/font.h')
| -rw-r--r-- | scene/resources/font.h | 337 |
1 files changed, 209 insertions, 128 deletions
diff --git a/scene/resources/font.h b/scene/resources/font.h index 200373aa8c..9a90032605 100644 --- a/scene/resources/font.h +++ b/scene/resources/font.h @@ -5,8 +5,8 @@ /* GODOT ENGINE */ /* https://godotengine.org */ /*************************************************************************/ -/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */ -/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md). */ +/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */ +/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */ /* */ /* Permission is hereby granted, free of charge, to any person obtaining */ /* a copy of this software and associated documentation files (the */ @@ -41,17 +41,37 @@ class FontData : public Resource { GDCLASS(FontData, Resource); - -public: - enum SpacingType { - SPACING_GLYPH, - SPACING_SPACE, - }; - -private: - RID rid; - int base_size = 16; - String path; + RES_BASE_EXTENSION("fontdata"); + + // Font source data. + const uint8_t *data_ptr = nullptr; + size_t data_size = 0; + PackedByteArray data; + + bool antialiased = true; + bool mipmaps = false; + bool msdf = false; + int msdf_pixel_range = 16; + int msdf_size = 48; + int fixed_size = 0; + bool force_autohinter = false; + TextServer::Hinting hinting = TextServer::HINTING_LIGHT; + TextServer::SubpixelPositioning subpixel_positioning = TextServer::SUBPIXEL_POSITIONING_AUTO; + real_t oversampling = 0.f; + real_t embolden = 0.f; + Transform2D transform; + + // Cache. + mutable Vector<RID> cache; + + _FORCE_INLINE_ void _clear_cache(); + _FORCE_INLINE_ void _ensure_rid(int p_cache_index) const; + + void _convert_packed_8bit(Ref<Image> &p_source, int p_page, int p_sz); + void _convert_packed_4bit(Ref<Image> &p_source, int p_page, int p_sz); + void _convert_rgba_4bit(Ref<Image> &p_source, int p_page, int p_sz); + void _convert_mono_8bit(Ref<Image> &p_source, int p_page, int p_ch, int p_sz, int p_ol); + void _convert_mono_4bit(Ref<Image> &p_source, int p_page, int p_ch, int p_sz, int p_ol); protected: static void _bind_methods(); @@ -63,79 +83,159 @@ protected: virtual void reset_state() override; public: - virtual RID get_rid() const override; + Error load_bitmap_font(const String &p_path); + Error load_dynamic_font(const String &p_path); - void load_resource(const String &p_filename, int p_base_size = 16); - void load_memory(const uint8_t *p_data, size_t p_size, const String &p_type, int p_base_size = 16); - void _load_memory(const PackedByteArray &p_data, const String &p_type, int p_base_size = 16); + // Font source data. + virtual void set_data_ptr(const uint8_t *p_data, size_t p_size); + virtual void set_data(const PackedByteArray &p_data); + virtual PackedByteArray get_data() const; - void new_bitmap(float p_height, float p_ascent, int p_base_size = 16); + // Common properties. + virtual void set_font_name(const String &p_name); + virtual String get_font_name() const; - void bitmap_add_texture(const Ref<Texture> &p_texture); - void bitmap_add_char(char32_t p_char, int p_texture_idx, const Rect2 &p_rect, const Size2 &p_align, float p_advance); - void bitmap_add_kerning_pair(char32_t p_A, char32_t p_B, int p_kerning); + virtual void set_font_style_name(const String &p_name); + virtual String get_font_style_name() const; - void set_data_path(const String &p_path); - String get_data_path() const; + virtual void set_font_style(uint32_t p_style); + virtual uint32_t get_font_style() const; - float get_height(int p_size) const; - float get_ascent(int p_size) const; - float get_descent(int p_size) const; + virtual void set_antialiased(bool p_antialiased); + virtual bool is_antialiased() const; - Dictionary get_feature_list() const; - Dictionary get_variation_list() const; + virtual void set_generate_mipmaps(bool p_generate_mipmaps); + virtual bool get_generate_mipmaps() const; - void set_variation(const String &p_name, double p_value); - double get_variation(const String &p_name) const; + virtual void set_multichannel_signed_distance_field(bool p_msdf); + virtual bool is_multichannel_signed_distance_field() const; - float get_underline_position(int p_size) const; - float get_underline_thickness(int p_size) const; + virtual void set_msdf_pixel_range(int p_msdf_pixel_range); + virtual int get_msdf_pixel_range() const; - int get_spacing(int p_type) const; - void set_spacing(int p_type, int p_value); + virtual void set_msdf_size(int p_msdf_size); + virtual int get_msdf_size() const; - void set_antialiased(bool p_antialiased); - bool get_antialiased() const; + virtual void set_fixed_size(int p_fixed_size); + virtual int get_fixed_size() const; - void set_distance_field_hint(bool p_distance_field); - bool get_distance_field_hint() const; + virtual void set_force_autohinter(bool p_force_autohinter); + virtual bool is_force_autohinter() const; - void set_force_autohinter(bool p_enabeld); - bool get_force_autohinter() const; + virtual void set_hinting(TextServer::Hinting p_hinting); + virtual TextServer::Hinting get_hinting() const; - void set_hinting(TextServer::Hinting p_hinting); - TextServer::Hinting get_hinting() const; + virtual void set_subpixel_positioning(TextServer::SubpixelPositioning p_subpixel); + virtual TextServer::SubpixelPositioning get_subpixel_positioning() const; - bool has_char(char32_t p_char) const; - String get_supported_chars() const; + virtual void set_embolden(float p_strength); + virtual float get_embolden() const; - Vector2 get_glyph_advance(uint32_t p_index, int p_size) const; - Vector2 get_glyph_kerning(uint32_t p_index_a, uint32_t p_index_b, int p_size) const; + virtual void set_transform(Transform2D p_transform); + virtual Transform2D get_transform() const; - bool has_outline() const; - float get_base_size() const; + virtual void set_oversampling(real_t p_oversampling); + virtual real_t get_oversampling() const; - bool is_language_supported(const String &p_language) const; - void set_language_support_override(const String &p_language, bool p_supported); - bool get_language_support_override(const String &p_language) const; - void remove_language_support_override(const String &p_language); - Vector<String> get_language_support_overrides() const; + // Cache. + virtual RID find_cache(const Dictionary &p_variation_coordinates) const; - bool is_script_supported(const String &p_script) const; - void set_script_support_override(const String &p_script, bool p_supported); - bool get_script_support_override(const String &p_script) const; - void remove_script_support_override(const String &p_script); - Vector<String> get_script_support_overrides() const; + virtual int get_cache_count() const; + virtual void clear_cache(); + virtual void remove_cache(int p_cache_index); - uint32_t get_glyph_index(char32_t p_char, char32_t p_variation_selector = 0x0000) const; + virtual Array get_size_cache_list(int p_cache_index) const; + virtual void clear_size_cache(int p_cache_index); + virtual void remove_size_cache(int p_cache_index, const Vector2i &p_size); - Vector2 draw_glyph(RID p_canvas, int p_size, const Vector2 &p_pos, uint32_t p_index, const Color &p_color = Color(1, 1, 1)) const; - Vector2 draw_glyph_outline(RID p_canvas, int p_size, int p_outline_size, const Vector2 &p_pos, uint32_t p_index, const Color &p_color = Color(1, 1, 1)) const; + virtual void set_variation_coordinates(int p_cache_index, const Dictionary &p_variation_coordinates); + virtual Dictionary get_variation_coordinates(int p_cache_index) const; - FontData(); - FontData(const String &p_filename, int p_base_size); - FontData(const PackedByteArray &p_data, const String &p_type, int p_base_size); + virtual void set_ascent(int p_cache_index, int p_size, real_t p_ascent); + virtual real_t get_ascent(int p_cache_index, int p_size) const; + + virtual void set_descent(int p_cache_index, int p_size, real_t p_descent); + virtual real_t get_descent(int p_cache_index, int p_size) const; + + virtual void set_underline_position(int p_cache_index, int p_size, real_t p_underline_position); + virtual real_t get_underline_position(int p_cache_index, int p_size) const; + + virtual void set_underline_thickness(int p_cache_index, int p_size, real_t p_underline_thickness); + virtual real_t get_underline_thickness(int p_cache_index, int p_size) const; + + virtual void set_scale(int p_cache_index, int p_size, real_t p_scale); // Rendering scale for bitmap fonts (e.g. emoji fonts). + virtual real_t get_scale(int p_cache_index, int p_size) const; + + virtual void set_spacing(int p_cache_index, int p_size, TextServer::SpacingType p_spacing, int p_value); + virtual int get_spacing(int p_cache_index, int p_size, TextServer::SpacingType p_spacing) const; + + virtual int get_texture_count(int p_cache_index, const Vector2i &p_size) const; + virtual void clear_textures(int p_cache_index, const Vector2i &p_size); + virtual void remove_texture(int p_cache_index, const Vector2i &p_size, int p_texture_index); + + virtual void set_texture_image(int p_cache_index, const Vector2i &p_size, int p_texture_index, const Ref<Image> &p_image); + virtual Ref<Image> get_texture_image(int p_cache_index, const Vector2i &p_size, int p_texture_index) const; + + virtual void set_texture_offsets(int p_cache_index, const Vector2i &p_size, int p_texture_index, const PackedInt32Array &p_offset); + virtual PackedInt32Array get_texture_offsets(int p_cache_index, const Vector2i &p_size, int p_texture_index) const; + + virtual Array get_glyph_list(int p_cache_index, const Vector2i &p_size) const; + virtual void clear_glyphs(int p_cache_index, const Vector2i &p_size); + virtual void remove_glyph(int p_cache_index, const Vector2i &p_size, int32_t p_glyph); + + virtual void set_glyph_advance(int p_cache_index, int p_size, int32_t p_glyph, const Vector2 &p_advance); + virtual Vector2 get_glyph_advance(int p_cache_index, int p_size, int32_t p_glyph) const; + + virtual void set_glyph_offset(int p_cache_index, const Vector2i &p_size, int32_t p_glyph, const Vector2 &p_offset); + virtual Vector2 get_glyph_offset(int p_cache_index, const Vector2i &p_size, int32_t p_glyph) const; + + virtual void set_glyph_size(int p_cache_index, const Vector2i &p_size, int32_t p_glyph, const Vector2 &p_gl_size); + virtual Vector2 get_glyph_size(int p_cache_index, const Vector2i &p_size, int32_t p_glyph) const; + + virtual void set_glyph_uv_rect(int p_cache_index, const Vector2i &p_size, int32_t p_glyph, const Rect2 &p_uv_rect); + virtual Rect2 get_glyph_uv_rect(int p_cache_index, const Vector2i &p_size, int32_t p_glyph) const; + + virtual void set_glyph_texture_idx(int p_cache_index, const Vector2i &p_size, int32_t p_glyph, int p_texture_idx); + virtual int get_glyph_texture_idx(int p_cache_index, const Vector2i &p_size, int32_t p_glyph) const; + + virtual Array get_kerning_list(int p_cache_index, int p_size) const; + virtual void clear_kerning_map(int p_cache_index, int p_size); + virtual void remove_kerning(int p_cache_index, int p_size, const Vector2i &p_glyph_pair); + + virtual void set_kerning(int p_cache_index, int p_size, const Vector2i &p_glyph_pair, const Vector2 &p_kerning); + virtual Vector2 get_kerning(int p_cache_index, int p_size, const Vector2i &p_glyph_pair) const; + + virtual void render_range(int p_cache_index, const Vector2i &p_size, char32_t p_start, char32_t p_end); + virtual void render_glyph(int p_cache_index, const Vector2i &p_size, int32_t p_index); + + virtual RID get_cache_rid(int p_cache_index) const; + + // Language/script support override. + virtual bool is_language_supported(const String &p_language) const; + virtual void set_language_support_override(const String &p_language, bool p_supported); + virtual bool get_language_support_override(const String &p_language) const; + virtual void remove_language_support_override(const String &p_language); + virtual Vector<String> get_language_support_overrides() const; + + virtual bool is_script_supported(const String &p_script) const; + virtual void set_script_support_override(const String &p_script, bool p_supported); + virtual bool get_script_support_override(const String &p_script) const; + virtual void remove_script_support_override(const String &p_script); + virtual Vector<String> get_script_support_overrides() const; + + virtual void set_opentype_feature_overrides(const Dictionary &p_overrides); + virtual Dictionary get_opentype_feature_overrides() const; + + // Base font properties. + virtual bool has_char(char32_t p_char) const; + virtual String get_supported_chars() const; + + virtual int32_t get_glyph_index(int p_size, char32_t p_char, char32_t p_variation_selector = 0x0000) const; + virtual Dictionary get_supported_feature_list() const; + virtual Dictionary get_supported_variation_list() const; + + FontData(); ~FontData(); }; @@ -147,20 +247,21 @@ class TextParagraph; class Font : public Resource { GDCLASS(Font, Resource); -public: - enum SpacingType { - SPACING_TOP, - SPACING_BOTTOM, - }; - -private: - int spacing_top = 0; - int spacing_bottom = 0; - + // Shaped string cache. mutable LRUCache<uint64_t, Ref<TextLine>> cache; mutable LRUCache<uint64_t, Ref<TextParagraph>> cache_wrap; + // Font data cache. Vector<Ref<FontData>> data; + mutable Vector<RID> rids; + + // Font config. + Dictionary variation_coordinates; + int spacing_bottom = 0; + int spacing_top = 0; + + _FORCE_INLINE_ void _data_changed(); + _FORCE_INLINE_ void _ensure_rid(int p_index) const; // Find or create cache record. protected: static void _bind_methods(); @@ -171,43 +272,50 @@ protected: virtual void reset_state() override; - void _data_changed(); - public: - Dictionary get_feature_list() const; - - // Font data control. - void add_data(const Ref<FontData> &p_data); - void set_data(int p_idx, const Ref<FontData> &p_data); - int get_data_count() const; - Ref<FontData> get_data(int p_idx) const; - void remove_data(int p_idx); + static const int DEFAULT_FONT_SIZE = 16; - float get_height(int p_size = -1) const; - float get_ascent(int p_size = -1) const; - float get_descent(int p_size = -1) const; - - float get_underline_position(int p_size = -1) const; - float get_underline_thickness(int p_size = -1) const; + Dictionary get_feature_list() const; - int get_spacing(int p_type) const; - void set_spacing(int p_type, int p_value); + // Font data. + virtual void add_data(const Ref<FontData> &p_data); + virtual void set_data(int p_idx, const Ref<FontData> &p_data); + virtual int get_data_count() const; + virtual Ref<FontData> get_data(int p_idx) const; + virtual RID get_data_rid(int p_idx) const; + virtual void clear_data(); + virtual void remove_data(int p_idx); + + // Font configuration. + virtual void set_variation_coordinates(const Dictionary &p_variation_coordinates); + virtual Dictionary get_variation_coordinates() const; + + virtual void set_spacing(TextServer::SpacingType p_spacing, int p_value); + virtual int get_spacing(TextServer::SpacingType p_spacing) const; + + // Font metrics. + virtual real_t get_height(int p_size = DEFAULT_FONT_SIZE) const; + virtual real_t get_ascent(int p_size = DEFAULT_FONT_SIZE) const; + virtual real_t get_descent(int p_size = DEFAULT_FONT_SIZE) const; + virtual real_t get_underline_position(int p_size = DEFAULT_FONT_SIZE) const; + virtual real_t get_underline_thickness(int p_size = DEFAULT_FONT_SIZE) const; // Drawing string. - Size2 get_string_size(const String &p_text, int p_size = -1) const; - Size2 get_multiline_string_size(const String &p_text, float p_width = -1, int p_size = -1, uint8_t p_flags = TextServer::BREAK_MANDATORY | TextServer::BREAK_WORD_BOUND) const; + virtual Size2 get_string_size(const String &p_text, int p_size = DEFAULT_FONT_SIZE, HorizontalAlignment p_alignment = HORIZONTAL_ALIGNMENT_LEFT, float p_width = -1, uint16_t p_flags = TextServer::JUSTIFICATION_KASHIDA | TextServer::JUSTIFICATION_WORD_BOUND) const; + virtual Size2 get_multiline_string_size(const String &p_text, float p_width = -1, int p_size = DEFAULT_FONT_SIZE, uint16_t p_flags = TextServer::BREAK_MANDATORY | TextServer::BREAK_WORD_BOUND) const; - void draw_string(RID p_canvas_item, const Point2 &p_pos, const String &p_text, HAlign p_align = HALIGN_LEFT, float p_width = -1, int p_size = -1, const Color &p_modulate = Color(1, 1, 1), int p_outline_size = 0, const Color &p_outline_modulate = Color(1, 1, 1, 0), uint8_t p_flags = TextServer::JUSTIFICATION_KASHIDA | TextServer::JUSTIFICATION_WORD_BOUND) const; - void draw_multiline_string(RID p_canvas_item, const Point2 &p_pos, const String &p_text, HAlign p_align = HALIGN_LEFT, float p_width = -1, int p_max_lines = -1, int p_size = -1, const Color &p_modulate = Color(1, 1, 1), int p_outline_size = 0, const Color &p_outline_modulate = Color(1, 1, 1, 0), uint8_t p_flags = TextServer::BREAK_MANDATORY | TextServer::BREAK_WORD_BOUND | TextServer::JUSTIFICATION_KASHIDA | TextServer::JUSTIFICATION_WORD_BOUND) const; + virtual void draw_string(RID p_canvas_item, const Point2 &p_pos, const String &p_text, HorizontalAlignment p_alignment = HORIZONTAL_ALIGNMENT_LEFT, float p_width = -1, int p_size = DEFAULT_FONT_SIZE, const Color &p_modulate = Color(1, 1, 1), int p_outline_size = 0, const Color &p_outline_modulate = Color(1, 1, 1, 0), uint16_t p_flags = TextServer::JUSTIFICATION_KASHIDA | TextServer::JUSTIFICATION_WORD_BOUND) const; + virtual void draw_multiline_string(RID p_canvas_item, const Point2 &p_pos, const String &p_text, HorizontalAlignment p_alignment = HORIZONTAL_ALIGNMENT_LEFT, float p_width = -1, int p_max_lines = -1, int p_size = DEFAULT_FONT_SIZE, const Color &p_modulate = Color(1, 1, 1), int p_outline_size = 0, const Color &p_outline_modulate = Color(1, 1, 1, 0), uint16_t p_flags = TextServer::BREAK_MANDATORY | TextServer::BREAK_WORD_BOUND | TextServer::JUSTIFICATION_KASHIDA | TextServer::JUSTIFICATION_WORD_BOUND) const; // Helper functions. - bool has_char(char32_t p_char) const; - String get_supported_chars() const; + virtual bool has_char(char32_t p_char) const; + virtual String get_supported_chars() const; - Size2 get_char_size(char32_t p_char, char32_t p_next = 0, int p_size = -1) const; - float draw_char(RID p_canvas_item, const Point2 &p_pos, char32_t p_char, char32_t p_next = 0, int p_size = -1, const Color &p_modulate = Color(1, 1, 1), int p_outline_size = 0, const Color &p_outline_modulate = Color(1, 1, 1, 0)) const; + // Drawing char. + virtual Size2 get_char_size(char32_t p_char, char32_t p_next = 0, int p_size = DEFAULT_FONT_SIZE) const; + virtual real_t draw_char(RID p_canvas_item, const Point2 &p_pos, char32_t p_char, char32_t p_next = 0, int p_size = DEFAULT_FONT_SIZE, const Color &p_modulate = Color(1, 1, 1), int p_outline_size = 0, const Color &p_outline_modulate = Color(1, 1, 1, 0)) const; - Vector<RID> get_rids() const; + Array get_rids() const; void update_changes(); @@ -215,31 +323,4 @@ public: ~Font(); }; -VARIANT_ENUM_CAST(FontData::SpacingType); -VARIANT_ENUM_CAST(Font::SpacingType); - -/*************************************************************************/ - -class ResourceFormatLoaderFont : public ResourceFormatLoader { -public: - virtual RES load(const String &p_path, const String &p_original_path = "", Error *r_error = nullptr, bool p_use_sub_threads = false, float *r_progress = nullptr, CacheMode p_cache_mode = CACHE_MODE_REUSE); - virtual void get_recognized_extensions_for_type(const String &p_type, List<String> *p_extensions) const; - virtual void get_recognized_extensions(List<String> *p_extensions) const; - virtual bool handles_type(const String &p_type) const; - virtual String get_resource_type(const String &p_path) const; -}; - -#ifndef DISABLE_DEPRECATED - -class ResourceFormatLoaderCompatFont : public ResourceFormatLoader { -public: - virtual RES load(const String &p_path, const String &p_original_path = "", Error *r_error = nullptr, bool p_use_sub_threads = false, float *r_progress = nullptr, CacheMode p_cache_mode = CACHE_MODE_REUSE); - virtual void get_recognized_extensions_for_type(const String &p_type, List<String> *p_extensions) const; - virtual void get_recognized_extensions(List<String> *p_extensions) const; - virtual bool handles_type(const String &p_type) const; - virtual String get_resource_type(const String &p_path) const; -}; - -#endif /* DISABLE_DEPRECATED */ - #endif /* FONT_H */ |