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42 lines
1.4 KiB
Go
42 lines
1.4 KiB
Go
package frame
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import (
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"image"
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"image/color"
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)
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// NativeFrame represents a native image frame
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type NativeFrame struct {
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// Data is a slice of pixels, where each pixel can have multiple values
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Data [][]int
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Rows int
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Cols int
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BitsPerSample int
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}
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// IsEncapsulated indicates if the frame is encapsulated or not.
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func (n *NativeFrame) IsEncapsulated() bool { return false }
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// GetNativeFrame returns a NativeFrame from this frame. If the underlying frame
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// is not a NativeFrame, ErrorFrameTypeNotPresent will be returned.
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func (n *NativeFrame) GetNativeFrame() (*NativeFrame, error) {
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return n, nil
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}
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// GetEncapsulatedFrame returns ErrorFrameTypeNotPresent, because this struct
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// does not hold encapsulated frame data.
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func (n *NativeFrame) GetEncapsulatedFrame() (*EncapsulatedFrame, error) {
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return nil, ErrorFrameTypeNotPresent
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}
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// GetImage returns an image.Image representation the frame, using default
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// processing. This default processing is basic at the moment, and does not
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// autoscale pixel values or use window width or level info.
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func (n *NativeFrame) GetImage() (image.Image, error) {
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i := image.NewGray16(image.Rect(0, 0, n.Cols, n.Rows))
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for j := 0; j < len(n.Data); j++ {
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i.SetGray16(j%n.Cols, j/n.Cols, color.Gray16{Y: uint16(n.Data[j][0])}) // for now, assume we're not overflowing uint16, assume gray image
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}
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return i, nil
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}
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