36 lines
907 B
Go
36 lines
907 B
Go
package fallbackFaces
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import "golang.org/x/image/font"
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import "git.tebibyte.media/tomo/tomo"
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import "golang.org/x/image/font/basicfont"
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import "git.tebibyte.media/tomo/backend/style"
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type faceSet struct {
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regular font.Face
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bold font.Face
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italic font.Face
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boldItalic font.Face
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}
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// New creates a new fallback face set.
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func New () style.FaceSet {
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// TODO maybe pre-generate different variations of this face
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return &faceSet {
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regular: basicfont.Face7x13,
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bold: basicfont.Face7x13,
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italic: basicfont.Face7x13,
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boldItalic: basicfont.Face7x13,
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}
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}
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func (this *faceSet) Face (face tomo.Face) font.Face {
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bold := face.Weight >= 500
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italic := face.Italic >= 0.1 || face.Slant >= 0.1
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switch {
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case bold && italic: return this.boldItalic
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case bold: return this.bold
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case italic: return this.italic
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default: return this.regular
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}
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}
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