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Add DynamicFont::get_available_chars()

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This commit is contained in:
Pedro J. Estébanez 2020-07-18 14:53:37 +02:00
parent 89f57ae122
commit 06904ac215
3 changed files with 46 additions and 0 deletions
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8
doc/classes/DynamicFont.xml
View file

@ -26,6 +26,14 @@
Adds a fallback font.
</description>
</method>
<method name="get_available_chars" qualifiers="const">
<return type="String">
</return>
<description>
Returns a string containing all the characters available in the main and all the fallback fonts.
If a given character is included in more than one font, it appears only once in the returned string.
</description>
</method>
<method name="get_fallback" qualifiers="const">
<return type="DynamicFontData">
</return>

36
scene/resources/dynamic_font.cpp
View file

@ -296,6 +296,21 @@ Size2 DynamicFontAtSize::get_char_size(CharType p_char, CharType p_next, const V
return ret;
}
String DynamicFontAtSize::get_available_chars() const {
String chars;
FT_UInt gindex;
FT_ULong charcode = FT_Get_First_Char(face, &gindex);
while (gindex != 0) {
if (charcode != 0) {
chars += CharType(charcode);
}
charcode = FT_Get_Next_Char(face, charcode, &gindex);
}
return chars;
}
void DynamicFontAtSize::set_texture_flags(uint32_t p_flags) {
texture_flags = p_flags;
@ -876,6 +891,25 @@ Size2 DynamicFont::get_char_size(CharType p_char, CharType p_next) const {
return ret;
}
String DynamicFont::get_available_chars() const {
if (!data_at_size.is_valid())
return "";
String chars = data_at_size->get_available_chars();
for (int i = 0; i < fallback_data_at_size.size(); i++) {
String fallback_chars = fallback_data_at_size[i]->get_available_chars();
for (int j = 0; j < fallback_chars.length(); j++) {
if (chars.find_char(fallback_chars[j]) == -1) {
chars += fallback_chars[j];
}
}
}
return chars;
}
bool DynamicFont::is_distance_field_hint() const {
return false;
@ -995,6 +1029,8 @@ void DynamicFont::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_font_data", "data"), &DynamicFont::set_font_data);
ClassDB::bind_method(D_METHOD("get_font_data"), &DynamicFont::get_font_data);
ClassDB::bind_method(D_METHOD("get_available_chars"), &DynamicFont::get_available_chars);
ClassDB::bind_method(D_METHOD("set_size", "data"), &DynamicFont::set_size);
ClassDB::bind_method(D_METHOD("get_size"), &DynamicFont::get_size);

2
scene/resources/dynamic_font.h
View file

@ -191,6 +191,7 @@ public:
float get_descent() const;
Size2 get_char_size(CharType p_char, CharType p_next, const Vector<Ref<DynamicFontAtSize> > &p_fallbacks) const;
String get_available_chars() const;
float draw_char(RID p_canvas_item, const Point2 &p_pos, CharType p_char, CharType p_next, const Color &p_modulate, const Vector<Ref<DynamicFontAtSize> > &p_fallbacks, bool p_advance_only = false, bool p_outline = false) const;
@ -278,6 +279,7 @@ public:
virtual float get_descent() const;
virtual Size2 get_char_size(CharType p_char, CharType p_next = 0) const;
String get_available_chars() const;
virtual bool is_distance_field_hint() const;