diff options
Diffstat (limited to 'scene/resources/font.h')
| -rw-r--r-- | scene/resources/font.h | 97 |
1 files changed, 66 insertions, 31 deletions
diff --git a/scene/resources/font.h b/scene/resources/font.h index e9f7507652..4d468a8841 100644 --- a/scene/resources/font.h +++ b/scene/resources/font.h @@ -1,32 +1,32 @@ -/*************************************************************************/ -/* font.h */ -/*************************************************************************/ -/* This file is part of: */ -/* GODOT ENGINE */ -/* https://godotengine.org */ -/*************************************************************************/ -/* 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 */ -/* "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. */ -/*************************************************************************/ +/**************************************************************************/ +/* font.h */ +/**************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* https://godotengine.org */ +/**************************************************************************/ +/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */ +/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */ +/* */ +/* 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 FONT_H #define FONT_H @@ -47,9 +47,44 @@ class TextParagraph; class Font : public Resource { GDCLASS(Font, Resource); + struct ShapedTextKey { + String text; + int font_size = 14; + float width = 0.f; + BitField<TextServer::JustificationFlag> jst_flags = TextServer::JUSTIFICATION_NONE; + BitField<TextServer::LineBreakFlag> brk_flags = TextServer::BREAK_MANDATORY; + TextServer::Direction direction = TextServer::DIRECTION_AUTO; + TextServer::Orientation orientation = TextServer::ORIENTATION_HORIZONTAL; + + bool operator==(const ShapedTextKey &p_b) const { + return (font_size == p_b.font_size) && (width == p_b.width) && (jst_flags == p_b.jst_flags) && (brk_flags == p_b.brk_flags) && (direction == p_b.direction) && (orientation == p_b.orientation) && (text == p_b.text); + } + + ShapedTextKey() {} + ShapedTextKey(const String &p_text, int p_font_size, float p_width, BitField<TextServer::JustificationFlag> p_jst_flags, BitField<TextServer::LineBreakFlag> p_brk_flags, TextServer::Direction p_direction, TextServer::Orientation p_orientation) { + text = p_text; + font_size = p_font_size; + width = p_width; + jst_flags = p_jst_flags; + brk_flags = p_brk_flags; + direction = p_direction; + orientation = p_orientation; + } + }; + + struct ShapedTextKeyHasher { + _FORCE_INLINE_ static uint32_t hash(const ShapedTextKey &p_a) { + uint32_t hash = p_a.text.hash(); + hash = hash_murmur3_one_32(p_a.font_size, hash); + hash = hash_murmur3_one_float(p_a.width, hash); + hash = hash_murmur3_one_32(p_a.brk_flags | (p_a.jst_flags << 6) | (p_a.direction << 12) | (p_a.orientation << 15), hash); + return hash_fmix32(hash); + } + }; + // Shaped string cache. - mutable LRUCache<uint64_t, Ref<TextLine>> cache; - mutable LRUCache<uint64_t, Ref<TextParagraph>> cache_wrap; + mutable LRUCache<ShapedTextKey, Ref<TextLine>, ShapedTextKeyHasher> cache; + mutable LRUCache<ShapedTextKey, Ref<TextParagraph>, ShapedTextKeyHasher> cache_wrap; protected: // Output. |