35 lines
738 B
Go
35 lines
738 B
Go
package thumb
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import "image"
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// FitSizes contains "fit" cropped thumbnail sizes from largest to smallest.
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// Best for the viewer as proportional resizing maintains the aspect ratio.
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var FitSizes = SizeList{
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Sizes[Fit7680],
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Sizes[Fit4096],
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Sizes[Fit3840],
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Sizes[Fit2560],
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Sizes[Fit2048],
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Sizes[Fit1920],
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Sizes[Fit1280],
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Sizes[Fit720],
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}
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// Fit returns the largest fitting thumbnail size.
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func Fit(w, h int) (size Size) {
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j := len(FitSizes) - 1
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for i := j; i >= 0; i-- {
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if size = FitSizes[i]; w <= size.Width && h <= size.Height {
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return size
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}
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}
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return FitSizes[0]
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}
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// FitBounds returns the largest thumbnail size fitting the rectangle.
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func FitBounds(r image.Rectangle) (s Size) {
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return Fit(r.Dx(), r.Dy())
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}
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