67 lines
2.8 KiB
Go
67 lines
2.8 KiB
Go
package thumb
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var (
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SizePrecached = 2048
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SizeUncached = 7680
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Filter = ResampleLanczos
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)
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// MaxSize returns the max supported size in pixels.
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func MaxSize() int {
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if SizePrecached > SizeUncached {
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return SizePrecached
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}
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return SizeUncached
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}
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// InvalidSize tests if the size in pixels is invalid.
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func InvalidSize(size int) bool {
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return size < 0 || size > MaxSize()
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}
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// SizeList represents a list of sizes.
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type SizeList []Size
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// SizeMap maps size names to sizes.
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type SizeMap map[Name]Size
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// All returns a slice containing all sizes.
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func (m SizeMap) All() SizeList {
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result := make(SizeList, 0, len(m))
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for _, s := range m {
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result = append(result, s)
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}
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return result
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}
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var (
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SizeTile50 = Size{Tile50, Tile500, "List View", 50, 50, false, false, []ResampleOption{ResampleFillCenter, ResampleDefault}}
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SizeTile100 = Size{Tile100, Tile500, "Places View", 100, 100, false, false, []ResampleOption{ResampleFillCenter, ResampleDefault}}
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SizeTile224 = Size{Tile224, Tile500, "TensorFlow, Mosaic View", 224, 224, false, false, []ResampleOption{ResampleFillCenter, ResampleDefault}}
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SizeTile500 = Size{Tile500, "", "Cards View", 500, 500, false, false, []ResampleOption{ResampleFillCenter, ResampleDefault}}
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SizeColors = Size{Colors, Fit720, "Color Detection", 3, 3, false, false, []ResampleOption{ResampleResize, ResampleNearestNeighbor, ResamplePng}}
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SizeLeft224 = Size{Left224, Fit720, "TensorFlow", 224, 224, false, false, []ResampleOption{ResampleFillTopLeft, ResampleDefault}}
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SizeRight224 = Size{Right224, Fit720, "TensorFlow", 224, 224, false, false, []ResampleOption{ResampleFillBottomRight, ResampleDefault}}
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)
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// Sizes contains the properties of all thumbnail sizes.
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var Sizes = SizeMap{
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Tile50: SizeTile50,
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Tile100: SizeTile100,
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Tile224: SizeTile224,
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Tile500: SizeTile500,
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Colors: SizeColors,
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Left224: SizeLeft224,
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Right224: SizeRight224,
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Fit720: {Fit720, "", "SD TV, Mobile", 720, 720, true, true, []ResampleOption{ResampleFit, ResampleDefault}},
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Fit1280: {Fit1280, Fit2048, "HD TV, SXGA", 1280, 1024, true, true, []ResampleOption{ResampleFit, ResampleDefault}},
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Fit1920: {Fit1920, Fit2048, "Full HD", 1920, 1200, true, true, []ResampleOption{ResampleFit, ResampleDefault}},
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Fit2048: {Fit2048, "", "DCI 2K, Tablets", 2048, 2048, true, true, []ResampleOption{ResampleFit, ResampleDefault}},
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Fit2560: {Fit2560, "", "Quad HD, Notebooks", 2560, 1600, true, true, []ResampleOption{ResampleFit, ResampleDefault}},
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Fit3840: {Fit3840, "", "4K Ultra HD", 3840, 2400, true, true, []ResampleOption{ResampleFit, ResampleDefault}}, // Deprecated in favor of fit_4096
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Fit4096: {Fit4096, "", "DCI 4K, Retina 4K", 4096, 4096, true, true, []ResampleOption{ResampleFit, ResampleDefault}},
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Fit7680: {Fit7680, "", "8K Ultra HD 2", 7680, 4320, true, true, []ResampleOption{ResampleFit, ResampleDefault}},
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}
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