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apprt: scale coretext font size for quicklook properly

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This commit is contained in:
Mitchell Hashimoto
2024-06-29 11:43:13 -05:00
parent afc172728f
commit db29c10bce
1 changed files with 15 additions and 5 deletions
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20
src/apprt/embedded.zig
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@ -1789,6 +1789,9 @@ pub const CAPI = struct {
return null;
}
// We'll need content scale so fail early if we can't get it.
const content_scale = ptr.getContentScale() catch return null;
// Get the shared font grid. We acquire a read lock to
// read the font face. It should not be deffered since
// we're loading the primary face.
@ -1799,13 +1802,20 @@ pub const CAPI = struct {
const collection = &grid.resolver.collection;
const face = collection.getFace(.{}) catch return null;
// TODO(pressure-click): the font size below only does
// the initial font size and not the current font size.
// We need to unscale the content scale. We apply the
// content scale to our font stack because we are rendering
// at 1x but callers of this should be using scaled or apply
// scale themselves.
const size: f32 = size: {
const num = face.font.copyAttribute(.size);
defer num.release();
var v: f32 = 12;
_ = num.getValue(.float, &v);
break :size v;
};
// The font is not the right size by default so we need
// to set it to our configured window size.
const copy = face.font.copyWithAttributes(
ptr.app.config.@"font-size",
size / content_scale.y,
null,
null,
) catch return null;