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Diffstat (limited to 'scene/resources/dynamic_font.h')
| -rw-r--r-- | scene/resources/dynamic_font.h | 316 |
1 files changed, 0 insertions, 316 deletions
diff --git a/scene/resources/dynamic_font.h b/scene/resources/dynamic_font.h deleted file mode 100644 index 73ba42f8a7..0000000000 --- a/scene/resources/dynamic_font.h +++ /dev/null @@ -1,316 +0,0 @@ -/*************************************************************************/ -/* dynamic_font.h */ -/*************************************************************************/ -/* This file is part of: */ -/* GODOT ENGINE */ -/* https://godotengine.org */ -/*************************************************************************/ -/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */ -/* Copyright (c) 2014-2020 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 */ -/* "Software"), to deal in the Software without restriction, including */ -/* without limitation the rights to use, copy, modify, merge, publish, */ -/* distribute, sublicense, and/or sell copies of the Software, and to */ -/* permit persons to whom the Software is furnished to do so, subject to */ -/* the following conditions: */ -/* */ -/* The above copyright notice and this permission notice shall be */ -/* included in all copies or substantial portions of the Software. */ -/* */ -/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */ -/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */ -/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/ -/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */ -/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */ -/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */ -/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ -/*************************************************************************/ - -#ifndef DYNAMIC_FONT_H -#define DYNAMIC_FONT_H - -#include "modules/modules_enabled.gen.h" -#ifdef MODULE_FREETYPE_ENABLED - -#include "core/io/resource_loader.h" -#include "core/os/mutex.h" -#include "core/os/thread_safe.h" -#include "core/templates/pair.h" -#include "scene/resources/font.h" - -#include <ft2build.h> -#include FT_FREETYPE_H - -class DynamicFontAtSize; -class DynamicFont; - -class DynamicFontData : public Resource { - GDCLASS(DynamicFontData, Resource); - -public: - struct CacheID { - union { - struct { - uint32_t size : 16; - uint32_t outline_size : 8; - uint32_t unused : 8; - }; - uint32_t key; - }; - bool operator<(CacheID right) const; - CacheID() { - key = 0; - } - }; - - enum Hinting { - HINTING_NONE, - HINTING_LIGHT, - HINTING_NORMAL - }; - - bool is_antialiased() const; - void set_antialiased(bool p_antialiased); - Hinting get_hinting() const; - void set_hinting(Hinting p_hinting); - -private: - const uint8_t *font_mem; - int font_mem_size; - bool antialiased; - bool force_autohinter; - Hinting hinting; - - String font_path; - Map<CacheID, DynamicFontAtSize *> size_cache; - - friend class DynamicFontAtSize; - - friend class DynamicFont; - - Ref<DynamicFontAtSize> _get_dynamic_font_at_size(CacheID p_cache_id); - -protected: - static void _bind_methods(); - -public: - void set_font_ptr(const uint8_t *p_font_mem, int p_font_mem_size); - void set_font_path(const String &p_path); - String get_font_path() const; - void set_force_autohinter(bool p_force); - - DynamicFontData(); - ~DynamicFontData(); -}; - -VARIANT_ENUM_CAST(DynamicFontData::Hinting); - -class DynamicFontAtSize : public Reference { - GDCLASS(DynamicFontAtSize, Reference); - - _THREAD_SAFE_CLASS_ - - FT_Library library; /* handle to library */ - FT_Face face; /* handle to face object */ - FT_StreamRec stream; - - float ascent; - float descent; - float linegap; - float rect_margin; - float oversampling; - float scale_color_font; - float underline_position; - float underline_thickness; - - bool valid; - - struct CharTexture { - Vector<uint8_t> imgdata; - int texture_size; - Vector<int> offsets; - Ref<ImageTexture> texture; - }; - - Vector<CharTexture> textures; - - struct Character { - bool found; - int texture_idx; - Rect2 rect; - Rect2 rect_uv; - float v_align; - float h_align; - float advance; - - Character() { - texture_idx = 0; - v_align = 0; - } - - static Character not_found(); - }; - - struct TexturePosition { - int index; - int x; - int y; - }; - - const Pair<const Character *, DynamicFontAtSize *> _find_char_with_font(char32_t p_char, const Vector<Ref<DynamicFontAtSize>> &p_fallbacks) const; - Character _make_outline_char(char32_t p_char); - TexturePosition _find_texture_pos_for_glyph(int p_color_size, Image::Format p_image_format, int p_width, int p_height); - Character _bitmap_to_character(FT_Bitmap bitmap, int yofs, int xofs, float advance); - - static unsigned long _ft_stream_io(FT_Stream stream, unsigned long offset, unsigned char *buffer, unsigned long count); - static void _ft_stream_close(FT_Stream stream); - - HashMap<char32_t, Character> char_map; - - _FORCE_INLINE_ void _update_char(char32_t p_char); - - friend class DynamicFontData; - Ref<DynamicFontData> font; - DynamicFontData::CacheID id; - - static HashMap<String, Vector<uint8_t>> _fontdata; - Error _load(); - -public: - static float font_oversampling; - - float get_height() const; - - float get_ascent() const; - float get_descent() const; - float get_underline_position() const; - float get_underline_thickness() const; - - Size2 get_char_size(char32_t p_char, char32_t p_next, const Vector<Ref<DynamicFontAtSize>> &p_fallbacks) const; - String get_available_chars() const; - - float draw_char(RID p_canvas_item, const Point2 &p_pos, char32_t p_char, char32_t p_next, const Color &p_modulate, const Vector<Ref<DynamicFontAtSize>> &p_fallbacks, bool p_advance_only = false, bool p_outline = false) const; - - void set_texture_flags(uint32_t p_flags); - void update_oversampling(); - - DynamicFontAtSize(); - ~DynamicFontAtSize(); -}; - -/////////////// - -class DynamicFont : public Font { - GDCLASS(DynamicFont, Font); - -public: - enum SpacingType { - SPACING_TOP, - SPACING_BOTTOM, - SPACING_CHAR, - SPACING_SPACE - }; - -private: - Ref<DynamicFontData> data; - Ref<DynamicFontAtSize> data_at_size; - Ref<DynamicFontAtSize> outline_data_at_size; - - Vector<Ref<DynamicFontData>> fallbacks; - Vector<Ref<DynamicFontAtSize>> fallback_data_at_size; - Vector<Ref<DynamicFontAtSize>> fallback_outline_data_at_size; - - DynamicFontData::CacheID cache_id; - DynamicFontData::CacheID outline_cache_id; - - bool valid; - int spacing_top; - int spacing_bottom; - int spacing_char; - int spacing_space; - - Color outline_color; - -protected: - void _reload_cache(); - - bool _set(const StringName &p_name, const Variant &p_value); - bool _get(const StringName &p_name, Variant &r_ret) const; - void _get_property_list(List<PropertyInfo> *p_list) const; - - static void _bind_methods(); - -public: - void set_font_data(const Ref<DynamicFontData> &p_data); - Ref<DynamicFontData> get_font_data() const; - - void set_size(int p_size); - int get_size() const; - - void set_outline_size(int p_size); - int get_outline_size() const; - - void set_outline_color(Color p_color); - Color get_outline_color() const; - - bool get_use_mipmaps() const; - void set_use_mipmaps(bool p_enable); - - bool get_use_filter() const; - void set_use_filter(bool p_enable); - - int get_spacing(int p_type) const; - void set_spacing(int p_type, int p_value); - - void add_fallback(const Ref<DynamicFontData> &p_data); - void set_fallback(int p_idx, const Ref<DynamicFontData> &p_data); - int get_fallback_count() const; - Ref<DynamicFontData> get_fallback(int p_idx) const; - void remove_fallback(int p_idx); - - virtual float get_height() const override; - - virtual float get_ascent() const override; - virtual float get_descent() const override; - virtual float get_underline_position() const override; - virtual float get_underline_thickness() const override; - - virtual Size2 get_char_size(char32_t p_char, char32_t p_next = 0) const override; - String get_available_chars() const; - - virtual bool is_distance_field_hint() const override; - - virtual bool has_outline() const override; - - virtual float draw_char(RID p_canvas_item, const Point2 &p_pos, char32_t p_char, char32_t p_next = 0, const Color &p_modulate = Color(1, 1, 1), bool p_outline = false) const override; - - SelfList<DynamicFont> font_list; - - static Mutex dynamic_font_mutex; - static SelfList<DynamicFont>::List *dynamic_fonts; - - static void initialize_dynamic_fonts(); - static void finish_dynamic_fonts(); - static void update_oversampling(); - - DynamicFont(); - ~DynamicFont(); -}; - -VARIANT_ENUM_CAST(DynamicFont::SpacingType); - -///////////// - -class ResourceFormatLoaderDynamicFont : 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, bool p_no_cache = false); - 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 - -#endif |