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metadata.go
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metadata.go
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// Copyright 2023 The Ebitengine Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package text
import (
"github.com/go-text/typesetting/opentype/api/metadata"
"github.com/go-text/typesetting/opentype/loader"
)
// Metadata represents a font face's metadata.
type Metadata struct {
Family string
Style Style
Weight Weight
Stretch Stretch
}
func metadataFromLoader(l *loader.Loader) Metadata {
f, a, _ := metadata.Describe(l, nil)
return Metadata{
Family: f,
Style: Style(a.Style),
Weight: Weight(a.Weight),
Stretch: Stretch(a.Stretch),
}
}
type Style uint8
const (
StyleNormal Style = Style(metadata.StyleNormal)
StyleItalic Style = Style(metadata.StyleItalic)
)
type Weight float32
const (
WeightThin Weight = Weight(metadata.WeightThin)
WeightExtraLight Weight = Weight(metadata.WeightExtraLight)
WeightLight Weight = Weight(metadata.WeightLight)
WeightNormal Weight = Weight(metadata.WeightNormal)
WeightMedium Weight = Weight(metadata.WeightMedium)
WeightSemibold Weight = Weight(metadata.WeightSemibold)
WeightBold Weight = Weight(metadata.WeightBold)
WeightExtraBold Weight = Weight(metadata.WeightExtraBold)
WeightBlack Weight = Weight(metadata.WeightBlack)
)
type Stretch float32
const (
StretchUltraCondensed Stretch = Stretch(metadata.StretchUltraCondensed)
StretchExtraCondensed Stretch = Stretch(metadata.StretchExtraCondensed)
StretchCondensed Stretch = Stretch(metadata.StretchCondensed)
StretchSemiCondensed Stretch = Stretch(metadata.StretchSemiCondensed)
StretchNormal Stretch = Stretch(metadata.StretchNormal)
StretchSemiExpanded Stretch = Stretch(metadata.StretchSemiExpanded)
StretchExpanded Stretch = Stretch(metadata.StretchExpanded)
StretchExtraExpanded Stretch = Stretch(metadata.StretchExtraExpanded)
StretchUltraExpanded Stretch = Stretch(metadata.StretchUltraExpanded)
)