mirror of
https://github.com/gen2brain/cam2ip.git
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41 lines
860 B
Go
41 lines
860 B
Go
package image
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import (
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"fmt"
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"image"
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"image/color"
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"image/draw"
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"time"
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"github.com/anthonynsimon/bild/transform"
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"github.com/pbnjay/pixfont"
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)
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func Rotate(img image.Image, angle int) image.Image {
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switch angle {
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case 90:
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img = transform.Rotate(img, 90, &transform.RotationOptions{ResizeBounds: true})
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case 180:
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img = transform.Rotate(img, 180, &transform.RotationOptions{ResizeBounds: true})
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case 270:
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img = transform.Rotate(img, 270, &transform.RotationOptions{ResizeBounds: true})
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}
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return img
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}
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func Timestamp(img image.Image, format string) (image.Image, error) {
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if format == "" {
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format = "2006-01-02 15:04:05"
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}
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dimg, ok := img.(draw.Image)
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if !ok {
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return img, fmt.Errorf("camera: %T is not a drawable image type", img)
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}
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pixfont.DrawString(dimg, 10, 10, time.Now().Format(format), color.White)
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return dimg, nil
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}
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