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font: change FontIndex to a u16 since we can expect more fonts with maps

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This commit is contained in:
Mitchell Hashimoto
2023-09-24 15:53:39 -07:00
parent 9e2e3acecf
commit 5c1c090f39
1 changed files with 5 additions and 1 deletions
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6
src/font/Group.zig
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@ -213,7 +213,7 @@ pub fn setSize(self: *Group, size: font.face.DesiredSize) !void {
/// This represents a specific font in the group.
pub const FontIndex = packed struct(FontIndex.Backing) {
const Backing = u8;
const Backing = u16;
const backing_bits = @typeInfo(Backing).Int.bits;
/// The number of bits we use for the index.
@ -255,6 +255,10 @@ pub const FontIndex = packed struct(FontIndex.Backing) {
// everywhere so if we increase the size of this we'll dramatically
// increase our memory usage.
try std.testing.expectEqual(@sizeOf(Backing), @sizeOf(FontIndex));
// Just so we're aware when this changes. The current maximum number
// of fonts for a style is 13 bits or 8192 fonts.
try std.testing.expectEqual(13, idx_bits);
}
};