// InlineImage returns a base64 encoded png from the input image
func InlineImage(ctx *libsass.Context, usv libsass.UnionSassValue) libsass.UnionSassValue {
var (
name string
encode bool
f io.Reader
)
err := libsass.Unmarshal(usv, &name, &encode)
if err != nil {
return libsass.Error(err)
}
f, err = os.Open(filepath.Join(ctx.ImageDir, name))
if err != nil {
r, err := httpInlineImage(name)
if err != nil {
return libsass.Error(err)
}
f = r
if r != nil {
defer r.Close()
}
}
if err != nil {
return libsass.Error(err)
}
var buf bytes.Buffer
sw.Inline(f, &buf, encode)
res, err := libsass.Marshal(buf.String())
if err != nil {
return libsass.Error(err)
}
return res
}
// InlineImage returns a base64 encoded png from the input image
func InlineImage(mainctx context.Context, usv libsass.SassValue) (rsv *libsass.SassValue, err error) {
var (
name string
encode bool
f io.ReadCloser
)
comp, err := libsass.CompFromCtx(mainctx)
if err != nil {
return nil, err
}
err = libsass.Unmarshal(usv, &name, &encode)
if err != nil {
return nil, err
}
paths := comp.(libsass.Pather)
// check for valid URL. If true, attempt to resolve image.
// This is really going to slow down compilation think about
// writing data to disk instead of inlining.
u, err := url.Parse(name)
if err == nil && len(u.Scheme) > 0 {
f, err = imgResolver.Do(u.String())
} else {
f, err = os.Open(filepath.Join(paths.ImgDir(), name))
}
if err != nil {
return nil, err
}
defer f.Close()
var buf bytes.Buffer
err = sw.Inline(f, &buf, encode)
if err != nil {
return nil, err
}
res, err := libsass.Marshal(buf.String())
if err != nil {
return nil, err
}
return &res, nil
}