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tomo-old/theme/wrapped.go

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package theme
import "image"
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import "image/color"
import "golang.org/x/image/font"
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import "git.tebibyte.media/sashakoshka/tomo/data"
import "git.tebibyte.media/sashakoshka/tomo/artist"
// Wrapped wraps any theme and injects a case into it automatically so that it
// doesn't need to be specified for each query. Additionally, if the underlying
// theme is nil, it just uses the default theme instead.
type Wrapped struct {
Theme
Case
}
// FontFace returns the proper font for a given style and size.
func (wrapped Wrapped) FontFace (style FontStyle, size FontSize) font.Face {
real := wrapped.ensure()
return real.FontFace(style, size, wrapped.Case)
}
// Icon returns an appropriate icon given an icon name.
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func (wrapped Wrapped) Icon (id Icon, size IconSize) artist.Icon {
real := wrapped.ensure()
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return real.Icon(id, size, wrapped.Case)
}
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// MimeIcon returns an appropriate icon given file mime type.
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func (wrapped Wrapped) MimeIcon (mime data.Mime, size IconSize) artist.Icon {
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real := wrapped.ensure()
return real.MimeIcon(mime, size, wrapped.Case)
}
// Pattern returns an appropriate pattern given a pattern name and state.
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func (wrapped Wrapped) Pattern (id Pattern, state State) artist.Pattern {
real := wrapped.ensure()
return real.Pattern(id, state, wrapped.Case)
}
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// Color returns an appropriate color given a color name and state.
func (wrapped Wrapped) Color (id Color, state State) color.RGBA {
real := wrapped.ensure()
return real.Color(id, state, wrapped.Case)
}
// Padding returns how much space should be between the bounds of a
// pattern whatever an element draws inside of it.
func (wrapped Wrapped) Padding (id Pattern) artist.Inset {
real := wrapped.ensure()
return real.Padding(id, wrapped.Case)
}
// Margin returns the left/right (x) and top/bottom (y) margins that
// should be put between any self-contained objects drawn within this
// pattern (if applicable).
func (wrapped Wrapped) Margin (id Pattern) image.Point {
real := wrapped.ensure()
return real.Margin(id, wrapped.Case)
}
// Sink returns a vector that should be added to an element's inner content when
// it is pressed down (if applicable) to simulate a 3D sinking effect.
func (wrapped Wrapped) Sink (id Pattern) image.Point {
real := wrapped.ensure()
return real.Sink(id, wrapped.Case)
}
// Hints returns rendering optimization hints for a particular pattern.
// These are optional, but following them may result in improved
// performance.
func (wrapped Wrapped) Hints (id Pattern) Hints {
real := wrapped.ensure()
return real.Hints(id, wrapped.Case)
}
func (wrapped Wrapped) ensure () (real Theme) {
real = wrapped.Theme
if real == nil { real = Default { } }
return
}