func decodePbmRaw(r io.Reader, width, height, _ int) image.Image {
im := img.NewBitmap(width, height)
if _, err := io.ReadFull(r, im.Pix); err != nil {
panic(err)
}
return im
}
// decode reads an X11 bitmap from r and stores the result in d.
func (d *decoder) decode(r io.Reader, configOnly bool) (im *img.Bitmap, err error) {
defer func() {
if r := recover(); r != nil {
if s, ok := r.(string); ok {
err = errors.New("xbm:" + s)
} else {
err = r.(error)
}
}
}()
// Add buffering if r does not provide ReadByte.
if rr, ok := r.(reader); ok {
d.r = rr
} else {
d.r = bufio.NewReader(r)
}
d.readHeader()
if configOnly {
return
}
im = img.NewBitmap(d.width, d.height)
p := im.Pix
if len(d.line) > 0 {
p = d.scan(p, d.line)
}
for len(p) > 0 {
line, isPfx, err := d.r.ReadLine()
if isPfx {
goto malformed
}
if err != nil {
return nil, err
}
p = d.scan(p, line)
}
return
malformed:
return nil, errors.New("xbm: data probably malformed")
}