[Help] Add simulated slanted font support to the editor help.

This commit is contained in:
bruvzg 2022-03-11 16:22:04 +02:00
parent 4c55a6529a
commit 803e1ae920
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GPG Key ID: 7960FCF39844EC38
3 changed files with 59 additions and 3 deletions

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@ -52,6 +52,23 @@
m_name->add_data(FontJapanese); \
m_name->add_data(FontFallback);
// Note: In some languages, the use of italic/slanted fonts is controversial. Therefore, we are limiting simulated slant to the main font (Latin, Cyrillic, and Greek) and using bold fonts for the rest.
#define MAKE_FALLBACKS_SLANTED(m_name) \
m_name->add_data(FontArabicBold); \
m_name->add_data(FontBengaliBold); \
m_name->add_data(FontDevanagariBold); \
m_name->add_data(FontGeorgianBold); \
m_name->add_data(FontHebrewBold); \
m_name->add_data(FontMalayalamBold); \
m_name->add_data(FontOriyaBold); \
m_name->add_data(FontSinhalaBold); \
m_name->add_data(FontTamilBold); \
m_name->add_data(FontTeluguBold); \
m_name->add_data(FontThaiBold); \
m_name->add_data(FontJapaneseBold); \
m_name->add_data(FontFallbackBold);
#define MAKE_FALLBACKS_BOLD(m_name) \
m_name->add_data(FontArabicBold); \
m_name->add_data(FontBengaliBold); \
@ -93,6 +110,33 @@
m_name->set_spacing(TextServer::SPACING_BOTTOM, -EDSCALE); \
MAKE_FALLBACKS(m_name);
#define MAKE_SLANTED_FONT(m_name, m_variations) \
Ref<Font> m_name; \
m_name.instantiate(); \
m_name.instantiate(); \
if (CustomFontSlanted.is_valid()) { \
m_name->add_data(CustomFontSlanted); \
m_name->add_data(DefaultFontSlanted); \
} else { \
m_name->add_data(DefaultFontSlanted); \
} \
{ \
Dictionary variations; \
if (!m_variations.is_empty()) { \
Vector<String> variation_tags = m_variations.split(","); \
for (int i = 0; i < variation_tags.size(); i++) { \
Vector<String> tokens = variation_tags[i].split("="); \
if (tokens.size() == 2) { \
variations[tokens[0]] = tokens[1].to_float(); \
} \
} \
} \
m_name->set_variation_coordinates(variations); \
} \
m_name->set_spacing(TextServer::SPACING_TOP, -EDSCALE); \
m_name->set_spacing(TextServer::SPACING_BOTTOM, -EDSCALE); \
MAKE_FALLBACKS_SLANTED(m_name);
#define MAKE_BOLD_FONT(m_name, m_variations) \
Ref<Font> m_name; \
m_name.instantiate(); \
@ -217,6 +261,12 @@ void editor_register_fonts(Ref<Theme> p_theme) {
EditorSettings::get_singleton()->set_manually("interface/editor/main_font", "");
}
Ref<FontData> CustomFontSlanted;
if (CustomFont.is_valid()) {
CustomFontSlanted = CustomFont->duplicate();
CustomFontSlanted->set_transform(Transform2D(1.0, 0.4, 0.0, 1.0, 0.0, 0.0));
}
/* Custom Bold font */
String custom_font_path_bold = EditorSettings::get_singleton()->get("interface/editor/main_font_bold");
@ -269,6 +319,9 @@ void editor_register_fonts(Ref<Theme> p_theme) {
Ref<FontData> FontThai = load_cached_internal_font(_font_NotoSansThaiUI_Regular, _font_NotoSansThaiUI_Regular_size, font_hinting, font_antialiased, true, font_subpixel_positioning);
Ref<FontData> FontThaiBold = load_cached_internal_font(_font_NotoSansThaiUI_Bold, _font_NotoSansThaiUI_Bold_size, font_hinting, font_antialiased, true, font_subpixel_positioning);
Ref<FontData> DefaultFontSlanted = DefaultFont->duplicate();
DefaultFontSlanted->set_transform(Transform2D(1.0, 0.3, 0.0, 1.0, 0.0, 0.0));
/* Droid Sans */
Ref<FontData> FontFallback = load_cached_internal_font(_font_DroidSansFallback, _font_DroidSansFallback_size, font_hinting, font_antialiased, true, font_subpixel_positioning);
@ -296,6 +349,7 @@ void editor_register_fonts(Ref<Theme> p_theme) {
// Bold font
MAKE_BOLD_FONT(df_bold, String());
MAKE_SLANTED_FONT(df_italic, String());
p_theme->set_font_size("bold_size", "EditorFonts", default_font_size);
p_theme->set_font("bold", "EditorFonts", df_bold);
@ -325,8 +379,8 @@ void editor_register_fonts(Ref<Theme> p_theme) {
MAKE_SOURCE_FONT(df_code, code_font_custom_variations);
p_theme->set_font_size("doc_size", "EditorFonts", int(EDITOR_GET("text_editor/help/help_font_size")) * EDSCALE);
p_theme->set_font("doc", "EditorFonts", df);
p_theme->set_font_size("doc_bold_size", "EditorFonts", int(EDITOR_GET("text_editor/help/help_font_size")) * EDSCALE);
p_theme->set_font("doc_bold", "EditorFonts", df_bold);
p_theme->set_font("doc_italic", "EditorFonts", df_italic);
p_theme->set_font_size("doc_title_size", "EditorFonts", int(EDITOR_GET("text_editor/help/help_title_font_size")) * EDSCALE);
p_theme->set_font("doc_title", "EditorFonts", df_bold);
p_theme->set_font_size("doc_source_size", "EditorFonts", int(EDITOR_GET("text_editor/help/help_source_font_size")) * EDSCALE);

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@ -1476,10 +1476,10 @@ static void _add_text_to_rt(const String &p_bbcode, RichTextLabel *p_rt) {
Ref<Font> doc_font = p_rt->get_theme_font(SNAME("doc"), SNAME("EditorFonts"));
Ref<Font> doc_bold_font = p_rt->get_theme_font(SNAME("doc_bold"), SNAME("EditorFonts"));
Ref<Font> doc_italic_font = p_rt->get_theme_font(SNAME("doc_italic"), SNAME("EditorFonts"));
Ref<Font> doc_code_font = p_rt->get_theme_font(SNAME("doc_source"), SNAME("EditorFonts"));
Ref<Font> doc_kbd_font = p_rt->get_theme_font(SNAME("doc_keyboard"), SNAME("EditorFonts"));
Color headline_color = p_rt->get_theme_color(SNAME("headline_color"), SNAME("EditorHelp"));
Color link_color = p_rt->get_theme_color(SNAME("link_color"), SNAME("EditorHelp"));
Color code_color = p_rt->get_theme_color(SNAME("code_color"), SNAME("EditorHelp"));
Color kbd_color = p_rt->get_theme_color(SNAME("kbd_color"), SNAME("EditorHelp"));
@ -1633,7 +1633,7 @@ static void _add_text_to_rt(const String &p_bbcode, RichTextLabel *p_rt) {
tag_stack.push_front(tag);
} else if (tag == "i") {
//use italics font
p_rt->push_color(headline_color);
p_rt->push_font(doc_italic_font);
pos = brk_end + 1;
tag_stack.push_front(tag);
} else if (tag == "code" || tag == "codeblock") {

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@ -1355,6 +1355,8 @@ _FORCE_INLINE_ bool TextServerAdvanced::_ensure_cache_for_size(FontDataAdvanced
fd->underline_position = (-FT_MulFix(fd->face->underline_position, fd->face->size->metrics.y_scale) / 64.0) / fd->oversampling * fd->scale;
fd->underline_thickness = (FT_MulFix(fd->face->underline_thickness, fd->face->size->metrics.y_scale) / 64.0) / fd->oversampling * fd->scale;
hb_font_set_synthetic_slant(fd->hb_handle, p_font_data->transform.elements[0][1]);
if (!p_font_data->face_init) {
// Get style flags and name.
if (fd->face->family_name != nullptr) {