diff options
Diffstat (limited to 'scene/resources/font.cpp')
| -rw-r--r-- | scene/resources/font.cpp | 41 |
1 files changed, 40 insertions, 1 deletions
diff --git a/scene/resources/font.cpp b/scene/resources/font.cpp index c72ccc97db..627397f0ab 100644 --- a/scene/resources/font.cpp +++ b/scene/resources/font.cpp @@ -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); @@ -495,9 +496,47 @@ 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); + for (Ref<BitmapFont> fallback_child = p_fallback; fallback_child != NULL; fallback_child = fallback_child->get_fallback()) { + if (fallback_child == this) { + ERR_EXPLAIN("Can't set as fallback one of its parents to prevent crashes due to recursive loop."); + ERR_FAIL_COND(fallback_child == this); + } + } + fallback = p_fallback; } |