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[Fallback TextServer] Fix char to glyph conversion.

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This commit is contained in:
bruvzg 2021-09-29 18:51:44 +03:00
parent 2fc31fdfca
commit 3c005948ca
1 changed files with 10 additions and 31 deletions
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41
modules/text_server_fb/text_server_fb.cpp
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@ -611,11 +611,13 @@ _FORCE_INLINE_ bool TextServerFallback::_ensure_glyph(FontDataFallback *p_font_d
flags |= FT_LOAD_COLOR;
}
FT_Fixed v, h;
FT_Get_Advance(fd->face, p_glyph, flags, &h);
FT_Get_Advance(fd->face, p_glyph, flags | FT_LOAD_VERTICAL_LAYOUT, &v);
int32_t glyph_index = FT_Get_Char_Index(fd->face, p_glyph);
int error = FT_Load_Glyph(fd->face, p_glyph, flags);
FT_Fixed v, h;
FT_Get_Advance(fd->face, glyph_index, flags, &h);
FT_Get_Advance(fd->face, glyph_index, flags | FT_LOAD_VERTICAL_LAYOUT, &v);
int error = FT_Load_Glyph(fd->face, glyph_index, flags);
if (error) {
fd->glyph_map[p_glyph] = FontGlyph();
ERR_FAIL_V_MSG(false, "FreeType: Failed to load glyph.");
@ -1542,7 +1544,7 @@ bool TextServerFallback::font_get_glyph_contours(RID p_font_rid, int p_size, int
ERR_FAIL_COND_V(!_ensure_cache_for_size(fd, size), false);
#ifdef MODULE_FREETYPE_ENABLED
int error = FT_Load_Glyph(fd->cache[size]->face, p_index, FT_LOAD_NO_BITMAP | (fd->force_autohinter ? FT_LOAD_FORCE_AUTOHINT : 0));
int error = FT_Load_Glyph(fd->cache[size]->face, FT_Get_Char_Index(fd->cache[size]->face, p_index), FT_LOAD_NO_BITMAP | (fd->force_autohinter ? FT_LOAD_FORCE_AUTOHINT : 0));
ERR_FAIL_COND_V(error, false);
r_points.clear();
@ -1636,7 +1638,9 @@ Vector2 TextServerFallback::font_get_kerning(RID p_font_rid, int p_size, const V
#ifdef MODULE_FREETYPE_ENABLED
if (fd->cache[size]->face) {
FT_Vector delta;
FT_Get_Kerning(fd->cache[size]->face, p_glyph_pair.x, p_glyph_pair.y, FT_KERNING_DEFAULT, &delta);
int32_t glyph_a = FT_Get_Char_Index(fd->cache[size]->face, p_glyph_pair.x);
int32_t glyph_b = FT_Get_Char_Index(fd->cache[size]->face, p_glyph_pair.y);
FT_Get_Kerning(fd->cache[size]->face, glyph_a, glyph_b, FT_KERNING_DEFAULT, &delta);
if (fd->msdf) {
return Vector2(delta.x, delta.y) * (real_t)p_size / (real_t)fd->msdf_source_size;
} else {
@ -1649,26 +1653,7 @@ Vector2 TextServerFallback::font_get_kerning(RID p_font_rid, int p_size, const V
}
int32_t TextServerFallback::font_get_glyph_index(RID p_font_rid, int p_size, char32_t p_char, char32_t p_variation_selector) const {
FontDataFallback *fd = font_owner.getornull(p_font_rid);
ERR_FAIL_COND_V(!fd, 0);
MutexLock lock(fd->mutex);
Vector2i size = _get_size(fd, p_size);
ERR_FAIL_COND_V(!_ensure_cache_for_size(fd, size), 0);
#ifdef MODULE_FREETYPE_ENABLED
if (fd->cache[size]->face) {
if (p_variation_selector) {
return FT_Face_GetCharVariantIndex(fd->cache[size]->face, p_char, p_variation_selector);
} else {
return FT_Get_Char_Index(fd->cache[size]->face, p_char);
}
} else {
return 0;
}
#else
return (int32_t)p_char;
#endif
}
bool TextServerFallback::font_has_char(RID p_font_rid, char32_t p_char) const {
@ -1731,12 +1716,6 @@ void TextServerFallback::font_render_range(RID p_font_rid, const Vector2i &p_siz
Vector2i size = _get_size_outline(fd, p_size);
ERR_FAIL_COND(!_ensure_cache_for_size(fd, size));
for (char32_t i = p_start; i <= p_end; i++) {
#ifdef MODULE_FREETYPE_ENABLED
if (fd->cache[size]->face) {
_ensure_glyph(fd, size, FT_Get_Char_Index(fd->cache[size]->face, i));
continue;
}
#endif
_ensure_glyph(fd, size, (int32_t)i);
}
}