124 lines
5.3 KiB
C++
124 lines
5.3 KiB
C++
/*************************************************************************/
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/* bitmap_font_adv.h */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md). */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#ifndef BITMAP_FONT_ADV_H
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#define BITMAP_FONT_ADV_H
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#include "font_adv.h"
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void hb_bmp_create_font_funcs();
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void hb_bmp_free_font_funcs();
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struct BitmapFontDataAdvanced : public FontDataAdvanced {
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_THREAD_SAFE_CLASS_
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private:
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Vector<Ref<Texture2D>> textures;
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struct Character {
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int texture_idx = 0;
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Rect2 rect;
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Vector2 align;
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Vector2 advance = Vector2(-1, -1);
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};
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struct KerningPairKey {
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union {
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struct {
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uint32_t A, B;
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};
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uint64_t pair = 0;
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};
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_FORCE_INLINE_ bool operator<(const KerningPairKey &p_r) const { return pair < p_r.pair; }
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};
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HashMap<uint32_t, Character> char_map;
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Map<KerningPairKey, int> kerning_map;
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hb_font_t *hb_handle = nullptr;
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float height = 0.f;
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float ascent = 0.f;
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int base_size = 0;
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bool distance_field_hint = false;
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public:
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virtual void clear_cache() override{};
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virtual Error load_from_file(const String &p_filename, int p_base_size) override;
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virtual Error bitmap_new(float p_height, float p_ascent, int p_base_size) override;
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virtual void bitmap_add_texture(const Ref<Texture> &p_texture) override;
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virtual void bitmap_add_char(char32_t p_char, int p_texture_idx, const Rect2 &p_rect, const Size2 &p_align, float p_advance) override;
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virtual void bitmap_add_kerning_pair(char32_t p_A, char32_t p_B, int p_kerning) override;
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virtual float get_height(int p_size) const override;
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virtual float get_ascent(int p_size) const override;
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virtual float get_descent(int p_size) const override;
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virtual float get_underline_position(int p_size) const override;
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virtual float get_underline_thickness(int p_size) const override;
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virtual void set_antialiased(bool p_antialiased) override{};
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virtual bool get_antialiased() const override { return false; };
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virtual void set_hinting(TextServer::Hinting p_hinting) override{};
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virtual TextServer::Hinting get_hinting() const override { return TextServer::HINTING_NONE; };
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virtual void set_distance_field_hint(bool p_distance_field) override;
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virtual bool get_distance_field_hint() const override;
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virtual void set_force_autohinter(bool p_enabeld) override{};
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virtual bool get_force_autohinter() const override { return false; };
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virtual bool has_outline() const override { return false; };
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virtual float get_base_size() const override;
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virtual float get_font_scale(int p_size) const override;
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virtual hb_font_t *get_hb_handle(int p_size) override;
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virtual bool has_char(char32_t p_char) const override;
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virtual String get_supported_chars() const override;
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virtual Vector2 get_advance(uint32_t p_char, int p_size) const override;
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Vector2 get_align(uint32_t p_char, int p_size) const;
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Vector2 get_size(uint32_t p_char, int p_size) const;
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virtual Vector2 get_kerning(uint32_t p_char, uint32_t p_next, int p_size) const override;
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virtual uint32_t get_glyph_index(char32_t p_char, char32_t p_variation_selector) const override { return (uint32_t)p_char; };
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virtual Vector2 draw_glyph(RID p_canvas, int p_size, const Vector2 &p_pos, uint32_t p_index, const Color &p_color) const override;
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virtual 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) const override;
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virtual ~BitmapFontDataAdvanced();
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};
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#endif // BITMAP_FONT_ADV_H
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