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Merge pull request #27021 from MarianoGnu/font

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Add and expose to Font a function to get the word-wraped text size
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Rémi Verschelde 2019-04-30 18:33:00 +02:00 committed by GitHub
parent 5902e15b9b 33c39e4c25
commit 0644040872
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GPG key ID: 4AEE18F83AFDEB23
2 changed files with 34 additions and 0 deletions
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33
scene/resources/font.cpp
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@ -96,6 +96,7 @@ void Font::_bind_methods() {
ClassDB::bind_method(D_METHOD("get_height"), &Font::get_height);
ClassDB::bind_method(D_METHOD("is_distance_field_hint"), &Font::is_distance_field_hint);
ClassDB::bind_method(D_METHOD("get_string_size", "string"), &Font::get_string_size);
ClassDB::bind_method(D_METHOD("get_wordwrap_string_size", "string", "p_width"), &Font::get_wordwrap_string_size);
ClassDB::bind_method(D_METHOD("has_outline"), &Font::has_outline);
ClassDB::bind_method(D_METHOD("draw_char", "canvas_item", "position", "char", "next", "modulate", "outline"), &Font::draw_char, DEFVAL(-1), DEFVAL(Color(1, 1, 1)), DEFVAL(false));
ClassDB::bind_method(D_METHOD("update_changes"), &Font::update_changes);
@ -495,6 +496,38 @@ Size2 Font::get_string_size(const String &p_string) const {
return Size2(w, get_height());
}
Size2 Font::get_wordwrap_string_size(const String &p_string, float p_width) const {
ERR_FAIL_COND_V(p_width <= 0, Vector2(0, get_height()));
int l = p_string.length();
if (l == 0)
return Size2(p_width, get_height());
float line_w = 0;
float h = 0;
float space_w = get_char_size(' ').width;
Vector<String> lines = p_string.split("\n");
for (int i = 0; i < lines.size(); i++) {
h += get_height();
String t = lines[i];
line_w = 0;
Vector<String> words = t.split(" ");
for (int j = 0; j < words.size(); j++) {
line_w += get_string_size(words[j]).x;
if (line_w > p_width) {
h += get_height();
line_w = get_string_size(words[j]).x;
} else {
line_w += space_w;
}
}
}
return Size2(p_width, h);
}
void BitmapFont::set_fallback(const Ref<BitmapFont> &p_fallback) {
ERR_FAIL_COND(p_fallback == this);

1
scene/resources/font.h
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@ -53,6 +53,7 @@ public:
virtual Size2 get_char_size(CharType p_char, CharType p_next = 0) const = 0;
Size2 get_string_size(const String &p_string) const;
Size2 get_wordwrap_string_size(const String &p_string, float p_width) const;
virtual bool is_distance_field_hint() const = 0;