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LibGfx+LibGUI+Clients: Make fonts findable by their qualified name

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The qualified name of a font is "<Family> <Size> <Weight>". You can
get the QN of a Font via the Font::qualified_name() API, and you can
get any system font by QN from the GUI::FontDatabase. :^)
This commit is contained in:
Andreas Kling 2020-10-25 19:28:06 +01:00
parent 260b52215c
commit 9d347352a1
8 changed files with 57 additions and 61 deletions
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15
Games/2048/BoardView.cpp
View file

@ -61,20 +61,15 @@ void BoardView::set_board(const Game::Board* board)
void BoardView::pick_font()
{
constexpr static auto liza_regular = "Liza Regular";
String best_font_name = liza_regular;
String best_font_name;
int best_font_size = -1;
auto& font_database = GUI::FontDatabase::the();
font_database.for_each_font([&](const StringView& font_name) {
// Only consider variations of Liza Regular.
if (!font_name.starts_with(liza_regular))
font_database.for_each_font([&](const Gfx::Font& font) {
if (font.family() != "Liza" || font.weight() != 700)
return;
auto metadata = font_database.get_metadata_by_name(font_name);
if (!metadata.has_value())
return;
auto size = metadata.value().glyph_height;
auto size = font.glyph_height();
if (size * 2 <= m_cell_size && size > best_font_size) {
best_font_name = font_name;
best_font_name = font.qualified_name();
best_font_size = size;
}
});