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Prefer family name in fonts' names table

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This commit is contained in:
Haoyu Qiu
2024-03-24 01:18:50 +08:00
parent 655e93d584
commit 9bcda8f94c
4 changed files with 61 additions and 10 deletions
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37
modules/text_server_fb/text_server_fb.cpp
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@@ -71,8 +71,10 @@ using namespace godot;
#endif
#endif
#ifdef MODULE_SVG_ENABLED
#ifdef MODULE_FREETYPE_ENABLED
#include FT_SFNT_NAMES_H
#include FT_TRUETYPE_IDS_H
#ifdef MODULE_SVG_ENABLED
#include "thorvg_svg_in_ot.h"
#endif
#endif
@@ -857,8 +859,37 @@ _FORCE_INLINE_ bool TextServerFallback::_ensure_cache_for_size(FontFallback *p_f
fd->underline_thickness = (FT_MulFix(fd->face->underline_thickness, fd->face->size->metrics.y_scale) / 64.0) / fd->oversampling * fd->scale;
if (!p_font_data->face_init) {
// Get style flags and name.
if (fd->face->family_name != nullptr) {
// When a font does not provide a `family_name`, FreeType tries to synthesize one based on other names.
// FreeType automatically converts non-ASCII characters to "?" in the synthesized name.
// To avoid that behavior, use the format-specific name directly if available.
if (FT_IS_SFNT(fd->face)) {
int name_count = FT_Get_Sfnt_Name_Count(fd->face);
for (int i = 0; i < name_count; i++) {
FT_SfntName sfnt_name;
if (FT_Get_Sfnt_Name(fd->face, i, &sfnt_name) != 0) {
continue;
}
if (sfnt_name.name_id != TT_NAME_ID_FONT_FAMILY && sfnt_name.name_id != TT_NAME_ID_TYPOGRAPHIC_FAMILY) {
continue;
}
if (!p_font_data->font_name.is_empty() && sfnt_name.language_id != TT_MS_LANGID_ENGLISH_UNITED_STATES) {
continue;
}
switch (sfnt_name.platform_id) {
case TT_PLATFORM_APPLE_UNICODE: {
p_font_data->font_name.parse_utf16((const char16_t *)sfnt_name.string, sfnt_name.string_len / 2, false);
} break;
case TT_PLATFORM_MICROSOFT: {
if (sfnt_name.encoding_id == TT_MS_ID_UNICODE_CS || sfnt_name.encoding_id == TT_MS_ID_UCS_4) {
p_font_data->font_name.parse_utf16((const char16_t *)sfnt_name.string, sfnt_name.string_len / 2, false);
}
} break;
}
}
}
if (p_font_data->font_name.is_empty() && fd->face->family_name != nullptr) {
p_font_data->font_name = String::utf8((const char *)fd->face->family_name);
}
if (fd->face->style_name != nullptr) {