mirror of
https://github.com/nbd-wtf/satdress.git
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41 lines
809 B
Go
41 lines
809 B
Go
package main
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import (
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"bytes"
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"encoding/base64"
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"errors"
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"fmt"
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"image"
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"image/jpeg"
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"net/http"
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"strconv"
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"github.com/nfnt/resize"
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)
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func base64ImageFromURL(url string) (string, error) {
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resp, err := http.Get(url)
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if err != nil {
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return "", err
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}
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defer resp.Body.Close()
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if resp.StatusCode >= 300 {
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return "", errors.New("image returned status " + strconv.Itoa(resp.StatusCode))
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}
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img, _, err := image.Decode(resp.Body)
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if err != nil {
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return "", fmt.Errorf("failed to decode image from %s: %w", url, err)
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}
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img = resize.Resize(160, 0, img, resize.NearestNeighbor)
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out := &bytes.Buffer{}
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err = jpeg.Encode(out, img, &jpeg.Options{60})
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if err != nil {
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return "", fmt.Errorf("failed to encode image: %w", err)
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}
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return base64.StdEncoding.EncodeToString(out.Bytes()), nil
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}
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