diff options
Diffstat (limited to 'scene/resources/font.h')
| -rw-r--r-- | scene/resources/font.h | 39 |
1 files changed, 37 insertions, 2 deletions
diff --git a/scene/resources/font.h b/scene/resources/font.h index e9f7507652..44198a3111 100644 --- a/scene/resources/font.h +++ b/scene/resources/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. |