diff options
Diffstat (limited to 'modules/text_server_fb/text_server_fb.h')
| -rw-r--r-- | modules/text_server_fb/text_server_fb.h | 327 |
1 files changed, 264 insertions, 63 deletions
diff --git a/modules/text_server_fb/text_server_fb.h b/modules/text_server_fb/text_server_fb.h index d4cab2409a..fde75e7135 100644 --- a/modules/text_server_fb/text_server_fb.h +++ b/modules/text_server_fb/text_server_fb.h @@ -39,22 +39,165 @@ #include "servers/text_server.h" #include "core/templates/rid_owner.h" - +#include "core/templates/thread_work_pool.h" #include "scene/resources/texture.h" -#include "font_fb.h" +#include "modules/modules_enabled.gen.h" + +#ifdef MODULE_FREETYPE_ENABLED +#include <ft2build.h> +#include FT_FREETYPE_H +#include FT_TRUETYPE_TABLES_H +#include FT_STROKER_H +#include FT_ADVANCES_H +#include FT_MULTIPLE_MASTERS_H +#include FT_BBOX_H +#endif class TextServerFallback : public TextServer { GDCLASS(TextServerFallback, TextServer); _THREAD_SAFE_CLASS_ - float oversampling = 1.f; - mutable RID_PtrOwner<FontDataFallback> font_owner; - mutable RID_PtrOwner<ShapedTextData> shaped_owner; - static String interface_name; static uint32_t interface_features; + // Font cache data. + +#ifdef MODULE_FREETYPE_ENABLED + mutable FT_Library library = nullptr; +#endif + + const int rect_range = 2; + + struct FontTexture { + Image::Format format; + PackedByteArray imgdata; + int texture_w = 0; + int texture_h = 0; + PackedInt32Array offsets; + Ref<ImageTexture> texture; + }; + + struct FontTexturePosition { + int index = 0; + int x = 0; + int y = 0; + }; + + struct FontGlyph { + bool found = false; + int texture_idx = -1; + Rect2 rect; + Rect2 uv_rect; + Vector2 advance; + }; + + struct FontDataForSizeFallback { + real_t ascent = 0.f; + real_t descent = 0.f; + real_t underline_position = 0.f; + real_t underline_thickness = 0.f; + real_t scale = 1.f; + real_t oversampling = 1.f; + + int spacing_glyph = 0; + int spacing_space = 0; + + Vector2i size; + + Vector<FontTexture> textures; + HashMap<int32_t, FontGlyph> glyph_map; + Map<Vector2i, Vector2> kerning_map; + +#ifdef MODULE_FREETYPE_ENABLED + FT_Face face = nullptr; + FT_StreamRec stream; +#endif + + ~FontDataForSizeFallback() { +#ifdef MODULE_FREETYPE_ENABLED + if (face != nullptr) { + FT_Done_Face(face); + } +#endif + } + }; + + struct FontDataFallback { + Mutex mutex; + + bool antialiased = true; + bool msdf = false; + int msdf_range = 14; + int msdf_source_size = 48; + int fixed_size = 0; + bool force_autohinter = false; + TextServer::Hinting hinting = TextServer::HINTING_LIGHT; + Dictionary variation_coordinates; + real_t oversampling = 0.f; + + Map<Vector2i, FontDataForSizeFallback *> cache; + + bool face_init = false; + Dictionary supported_varaitions; + + // Language/script support override. + Map<String, bool> language_support_overrides; + Map<String, bool> script_support_overrides; + + PackedByteArray data; + const uint8_t *data_ptr; + size_t data_size; + + mutable ThreadWorkPool work_pool; + + ~FontDataFallback() { + work_pool.finish(); + for (const Map<Vector2i, FontDataForSizeFallback *>::Element *E = cache.front(); E; E = E->next()) { + memdelete(E->get()); + } + cache.clear(); + } + }; + + _FORCE_INLINE_ FontTexturePosition find_texture_pos_for_glyph(FontDataForSizeFallback *p_data, int p_color_size, Image::Format p_image_format, int p_width, int p_height) const; +#ifdef MODULE_MSDFGEN_ENABLED + _FORCE_INLINE_ FontGlyph rasterize_msdf(FontDataFallback *p_font_data, FontDataForSizeFallback *p_data, int p_pixel_range, int p_rect_margin, FT_Outline *outline, const Vector2 &advance) const; +#endif +#ifdef MODULE_FREETYPE_ENABLED + _FORCE_INLINE_ FontGlyph rasterize_bitmap(FontDataForSizeFallback *p_data, int p_rect_margin, FT_Bitmap bitmap, int yofs, int xofs, const Vector2 &advance) const; +#endif + _FORCE_INLINE_ bool _ensure_glyph(FontDataFallback *p_font_data, const Vector2i &p_size, int32_t p_glyph) const; + _FORCE_INLINE_ bool _ensure_cache_for_size(FontDataFallback *p_font_data, const Vector2i &p_size) const; + _FORCE_INLINE_ void _font_clear_cache(FontDataFallback *p_font_data); + void _generateMTSDF_threaded(uint32_t y, void *p_td) const; + + _FORCE_INLINE_ Vector2i _get_size(const FontDataFallback *p_font_data, int p_size) const { + if (p_font_data->msdf) { + return Vector2i(p_font_data->msdf_source_size, 0); + } else if (p_font_data->fixed_size > 0) { + return Vector2i(p_font_data->fixed_size, 0); + } else { + return Vector2i(p_size, 0); + } + } + + _FORCE_INLINE_ Vector2i _get_size_outline(const FontDataFallback *p_font_data, const Vector2i &p_size) const { + if (p_font_data->msdf) { + return Vector2i(p_font_data->msdf_source_size, 0); + } else if (p_font_data->fixed_size > 0) { + return Vector2i(p_font_data->fixed_size, MIN(p_size.y, 1)); + } else { + return p_size; + } + } + + // Common data. + + real_t oversampling = 1.f; + mutable RID_PtrOwner<FontDataFallback> font_owner; + mutable RID_PtrOwner<ShapedTextData> shaped_owner; + protected: static void _bind_methods(){}; @@ -77,72 +220,130 @@ public: virtual bool is_locale_right_to_left(const String &p_locale) override; + virtual int32_t name_to_tag(const String &p_name) const override; + virtual String tag_to_name(int32_t p_tag) const override; + /* Font interface */ - virtual RID create_font_system(const String &p_name, int p_base_size = 16) override; - virtual RID create_font_resource(const String &p_filename, int p_base_size = 16) override; - virtual RID create_font_memory(const uint8_t *p_data, size_t p_size, const String &p_type, int p_base_size = 16) override; - virtual RID create_font_bitmap(float p_height, float p_ascent, int p_base_size = 16) override; + virtual RID create_font() override; + + virtual void font_set_data(RID p_font_rid, const PackedByteArray &p_data) override; + virtual void font_set_data_ptr(RID p_font_rid, const uint8_t *p_data_ptr, size_t p_data_size) override; + + virtual void font_set_antialiased(RID p_font_rid, bool p_antialiased) override; + virtual bool font_is_antialiased(RID p_font_rid) const override; + + virtual void font_set_multichannel_signed_distance_field(RID p_font_rid, bool p_msdf) override; + virtual bool font_is_multichannel_signed_distance_field(RID p_font_rid) const override; + + virtual void font_set_msdf_pixel_range(RID p_font_rid, int p_msdf_pixel_range) override; + virtual int font_get_msdf_pixel_range(RID p_font_rid) const override; + + virtual void font_set_msdf_size(RID p_font_rid, int p_msdf_size) override; + virtual int font_get_msdf_size(RID p_font_rid) const override; + + virtual void font_set_fixed_size(RID p_font_rid, int p_fixed_size) override; + virtual int font_get_fixed_size(RID p_font_rid) const override; + + virtual void font_set_force_autohinter(RID p_font_rid, bool p_force_autohinter) override; + virtual bool font_is_force_autohinter(RID p_font_rid) const override; + + virtual void font_set_hinting(RID p_font_rid, TextServer::Hinting p_hinting) override; + virtual TextServer::Hinting font_get_hinting(RID p_font_rid) const override; + + virtual void font_set_variation_coordinates(RID p_font_rid, const Dictionary &p_variation_coordinates) override; + virtual Dictionary font_get_variation_coordinates(RID p_font_rid) const override; + + virtual void font_set_oversampling(RID p_font_rid, real_t p_oversampling) override; + virtual real_t font_get_oversampling(RID p_font_rid) const override; + + virtual Array font_get_size_cache_list(RID p_font_rid) const override; + virtual void font_clear_size_cache(RID p_font_rid) override; + virtual void font_remove_size_cache(RID p_font_rid, const Vector2i &p_size) override; + + virtual void font_set_ascent(RID p_font_rid, int p_size, real_t p_ascent) override; + virtual real_t font_get_ascent(RID p_font_rid, int p_size) const override; + + virtual void font_set_descent(RID p_font_rid, int p_size, real_t p_descent) override; + virtual real_t font_get_descent(RID p_font_rid, int p_size) const override; + + virtual void font_set_underline_position(RID p_font_rid, int p_size, real_t p_underline_position) override; + virtual real_t font_get_underline_position(RID p_font_rid, int p_size) const override; + + virtual void font_set_underline_thickness(RID p_font_rid, int p_size, real_t p_underline_thickness) override; + virtual real_t font_get_underline_thickness(RID p_font_rid, int p_size) const override; + + virtual void font_set_scale(RID p_font_rid, int p_size, real_t p_scale) override; + virtual real_t font_get_scale(RID p_font_rid, int p_size) const override; + + virtual void font_set_spacing(RID p_font_rid, int p_size, SpacingType p_spacing, int p_value) override; + virtual int font_get_spacing(RID p_font_rid, int p_size, SpacingType p_spacing) const override; + + virtual int font_get_texture_count(RID p_font_rid, const Vector2i &p_size) const override; + virtual void font_clear_textures(RID p_font_rid, const Vector2i &p_size) override; + virtual void font_remove_texture(RID p_font_rid, const Vector2i &p_size, int p_texture_index) override; + + virtual void font_set_texture_image(RID p_font_rid, const Vector2i &p_size, int p_texture_index, const Ref<Image> &p_image) override; + virtual Ref<Image> font_get_texture_image(RID p_font_rid, const Vector2i &p_size, int p_texture_index) const override; - virtual void font_bitmap_add_texture(RID p_font, const Ref<Texture> &p_texture) override; - virtual void font_bitmap_add_char(RID p_font, char32_t p_char, int p_texture_idx, const Rect2 &p_rect, const Size2 &p_align, float p_advance) override; - virtual void font_bitmap_add_kerning_pair(RID p_font, char32_t p_A, char32_t p_B, int p_kerning) override; + virtual void font_set_texture_offsets(RID p_font_rid, const Vector2i &p_size, int p_texture_index, const PackedInt32Array &p_offset) override; + virtual PackedInt32Array font_get_texture_offsets(RID p_font_rid, const Vector2i &p_size, int p_texture_index) const override; - virtual float font_get_height(RID p_font, int p_size) const override; - virtual float font_get_ascent(RID p_font, int p_size) const override; - virtual float font_get_descent(RID p_font, int p_size) const override; + virtual Array font_get_glyph_list(RID p_font_rid, const Vector2i &p_size) const override; + virtual void font_clear_glyphs(RID p_font_rid, const Vector2i &p_size) override; + virtual void font_remove_glyph(RID p_font_rid, const Vector2i &p_size, int32_t p_glyph) override; - virtual float font_get_underline_position(RID p_font, int p_size) const override; - virtual float font_get_underline_thickness(RID p_font, int p_size) const override; + virtual Vector2 font_get_glyph_advance(RID p_font_rid, int p_size, int32_t p_glyph) const override; + virtual void font_set_glyph_advance(RID p_font_rid, int p_size, int32_t p_glyph, const Vector2 &p_advance) override; - virtual int font_get_spacing_space(RID p_font) const override; - virtual void font_set_spacing_space(RID p_font, int p_value) override; + virtual Vector2 font_get_glyph_offset(RID p_font_rid, const Vector2i &p_size, int32_t p_glyph) const override; + virtual void font_set_glyph_offset(RID p_font_rid, const Vector2i &p_size, int32_t p_glyph, const Vector2 &p_offset) override; - virtual int font_get_spacing_glyph(RID p_font) const override; - virtual void font_set_spacing_glyph(RID p_font, int p_value) override; + virtual Vector2 font_get_glyph_size(RID p_font_rid, const Vector2i &p_size, int32_t p_glyph) const override; + virtual void font_set_glyph_size(RID p_font_rid, const Vector2i &p_size, int32_t p_glyph, const Vector2 &p_gl_size) override; - virtual void font_set_antialiased(RID p_font, bool p_antialiased) override; - virtual bool font_get_antialiased(RID p_font) const override; + virtual Rect2 font_get_glyph_uv_rect(RID p_font_rid, const Vector2i &p_size, int32_t p_glyph) const override; + virtual void font_set_glyph_uv_rect(RID p_font_rid, const Vector2i &p_size, int32_t p_glyph, const Rect2 &p_uv_rect) override; - virtual void font_set_hinting(RID p_font, Hinting p_hinting) override; - virtual Hinting font_get_hinting(RID p_font) const override; + virtual int font_get_glyph_texture_idx(RID p_font_rid, const Vector2i &p_size, int32_t p_glyph) const override; + virtual void font_set_glyph_texture_idx(RID p_font_rid, const Vector2i &p_size, int32_t p_glyph, int p_texture_idx) override; - virtual void font_set_force_autohinter(RID p_font, bool p_enabeld) override; - virtual bool font_get_force_autohinter(RID p_font) const override; + virtual bool font_get_glyph_contours(RID p_font, int p_size, int32_t p_index, Vector<Vector3> &r_points, Vector<int32_t> &r_contours, bool &r_orientation) const override; - virtual bool font_has_char(RID p_font, char32_t p_char) const override; - virtual String font_get_supported_chars(RID p_font) const override; + virtual Array font_get_kerning_list(RID p_font_rid, int p_size) const override; + virtual void font_clear_kerning_map(RID p_font_rid, int p_size) override; + virtual void font_remove_kerning(RID p_font_rid, int p_size, const Vector2i &p_glyph_pair) override; - virtual void font_set_distance_field_hint(RID p_font, bool p_distance_field) override; - virtual bool font_get_distance_field_hint(RID p_font) const override; + virtual void font_set_kerning(RID p_font_rid, int p_size, const Vector2i &p_glyph_pair, const Vector2 &p_kerning) override; + virtual Vector2 font_get_kerning(RID p_font_rid, int p_size, const Vector2i &p_glyph_pair) const override; - virtual bool font_has_outline(RID p_font) const override; - virtual float font_get_base_size(RID p_font) const override; + virtual int32_t font_get_glyph_index(RID p_font_rid, int p_size, char32_t p_char, char32_t p_variation_selector = 0) const override; - virtual bool font_is_language_supported(RID p_font, const String &p_language) const override; - virtual void font_set_language_support_override(RID p_font, const String &p_language, bool p_supported) override; - virtual bool font_get_language_support_override(RID p_font, const String &p_language) override; - virtual void font_remove_language_support_override(RID p_font, const String &p_language) override; - Vector<String> font_get_language_support_overrides(RID p_font) override; + virtual bool font_has_char(RID p_font_rid, char32_t p_char) const override; + virtual String font_get_supported_chars(RID p_font_rid) const override; - virtual bool font_is_script_supported(RID p_font, const String &p_script) const override; - virtual void font_set_script_support_override(RID p_font, const String &p_script, bool p_supported) override; - virtual bool font_get_script_support_override(RID p_font, const String &p_script) override; - virtual void font_remove_script_support_override(RID p_font, const String &p_script) override; - Vector<String> font_get_script_support_overrides(RID p_font) override; + virtual void font_render_range(RID p_font, const Vector2i &p_size, char32_t p_start, char32_t p_end) override; + virtual void font_render_glyph(RID p_font_rid, const Vector2i &p_size, int32_t p_index) override; - virtual uint32_t font_get_glyph_index(RID p_font, char32_t p_char, char32_t p_variation_selector = 0x0000) const override; - virtual Vector2 font_get_glyph_advance(RID p_font, uint32_t p_index, int p_size) const override; - virtual Vector2 font_get_glyph_kerning(RID p_font, uint32_t p_index_a, uint32_t p_index_b, int p_size) const override; + virtual void font_draw_glyph(RID p_font, RID p_canvas, int p_size, const Vector2 &p_pos, int32_t p_index, const Color &p_color = Color(1, 1, 1)) const override; + virtual void font_draw_glyph_outline(RID p_font, RID p_canvas, int p_size, int p_outline_size, const Vector2 &p_pos, int32_t p_index, const Color &p_color = Color(1, 1, 1)) const override; - virtual Vector2 font_draw_glyph(RID p_font, RID p_canvas, int p_size, const Vector2 &p_pos, uint32_t p_index, const Color &p_color = Color(1, 1, 1)) const override; - virtual Vector2 font_draw_glyph_outline(RID p_font, 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 override; + virtual bool font_is_language_supported(RID p_font_rid, const String &p_language) const override; + virtual void font_set_language_support_override(RID p_font_rid, const String &p_language, bool p_supported) override; + virtual bool font_get_language_support_override(RID p_font_rid, const String &p_language) override; + virtual void font_remove_language_support_override(RID p_font_rid, const String &p_language) override; + virtual Vector<String> font_get_language_support_overrides(RID p_font_rid) override; - virtual bool font_get_glyph_contours(RID p_font, int p_size, uint32_t p_index, Vector<Vector3> &r_points, Vector<int32_t> &r_contours, bool &r_orientation) const override; + virtual bool font_is_script_supported(RID p_font_rid, const String &p_script) const override; + virtual void font_set_script_support_override(RID p_font_rid, const String &p_script, bool p_supported) override; + virtual bool font_get_script_support_override(RID p_font_rid, const String &p_script) override; + virtual void font_remove_script_support_override(RID p_font_rid, const String &p_script) override; + virtual Vector<String> font_get_script_support_overrides(RID p_font_rid) override; - virtual float font_get_oversampling() const override; - virtual void font_set_oversampling(float p_oversampling) override; + virtual Dictionary font_supported_feature_list(RID p_font_rid) const override; + virtual Dictionary font_supported_variation_list(RID p_font_rid) const override; - virtual Vector<String> get_system_fonts() const override; + virtual real_t font_get_global_oversampling() const override; + virtual void font_set_global_oversampling(real_t p_oversampling) override; /* Shaped text buffer interface */ @@ -171,14 +372,14 @@ public: virtual RID shaped_text_substr(RID p_shaped, int p_start, int p_length) const override; virtual RID shaped_text_get_parent(RID p_shaped) const override; - virtual float shaped_text_fit_to_width(RID p_shaped, float p_width, uint8_t /*JustificationFlag*/ p_jst_flags = JUSTIFICATION_WORD_BOUND | JUSTIFICATION_KASHIDA) override; - virtual float shaped_text_tab_align(RID p_shaped, const Vector<float> &p_tab_stops) override; + virtual real_t shaped_text_fit_to_width(RID p_shaped, real_t p_width, uint8_t /*JustificationFlag*/ p_jst_flags = JUSTIFICATION_WORD_BOUND | JUSTIFICATION_KASHIDA) override; + virtual real_t shaped_text_tab_align(RID p_shaped, const Vector<real_t> &p_tab_stops) override; virtual bool shaped_text_shape(RID p_shaped) override; virtual bool shaped_text_update_breaks(RID p_shaped) override; virtual bool shaped_text_update_justification_ops(RID p_shaped) override; - virtual void shaped_text_overrun_trim_to_width(RID p_shaped, float p_width, uint8_t p_trim_flags) override; + virtual void shaped_text_overrun_trim_to_width(RID p_shaped, real_t p_width, uint8_t p_trim_flags) override; virtual TrimData shaped_text_get_trim_data(RID p_shaped) const override; virtual bool shaped_text_is_ready(RID p_shaped) const override; @@ -193,17 +394,17 @@ public: virtual Rect2 shaped_text_get_object_rect(RID p_shaped, Variant p_key) const override; virtual Size2 shaped_text_get_size(RID p_shaped) const override; - virtual float shaped_text_get_ascent(RID p_shaped) const override; - virtual float shaped_text_get_descent(RID p_shaped) const override; - virtual float shaped_text_get_width(RID p_shaped) const override; - virtual float shaped_text_get_underline_position(RID p_shaped) const override; - virtual float shaped_text_get_underline_thickness(RID p_shaped) const override; + virtual real_t shaped_text_get_ascent(RID p_shaped) const override; + virtual real_t shaped_text_get_descent(RID p_shaped) const override; + virtual real_t shaped_text_get_width(RID p_shaped) const override; + virtual real_t shaped_text_get_underline_position(RID p_shaped) const override; + virtual real_t shaped_text_get_underline_thickness(RID p_shaped) const override; static TextServer *create_func(Error &r_error, void *p_user_data); static void register_server(); - TextServerFallback(){}; - ~TextServerFallback(){}; + TextServerFallback(); + ~TextServerFallback(); }; #endif // TEXT_SERVER_FALLBACK_H |