func SquareThumb(filename, name string, size int, format thumbType.ThumbType) (string, error) {
outfile := fmt.Sprintf("%s_%s", filename, name)
args := []string{
fmt.Sprintf("%s[0]", filename),
"-quality",
"94",
"-resize",
fmt.Sprintf("%dx%d^", size, size),
"-gravity",
"center",
"-crop",
fmt.Sprintf("%dx%d+0+0", size, size),
"-density",
"72x72",
"-unsharp",
"0.5",
fmt.Sprintf("%s:%s", format.ToString(), outfile),
}
err := runProcessorCommand(GM_COMMAND, args)
if err != nil {
return "", err
}
return outfile, nil
}
func CustomThumb(filename, name string, width, height int, cropGravity string, cropWidth, cropHeight, quality int, format thumbType.ThumbType) (string, error) {
outfile := fmt.Sprintf("%s_%s", filename, name)
args := []string{
fmt.Sprintf("%s[0]", filename),
"-quality",
fmt.Sprintf("%d", quality),
"-resize",
fmt.Sprintf("%dx%d^", width, height),
"-density",
"72x72",
"-unsharp",
"0.5",
}
if cropGravity != "" {
args = append(args,
"-gravity",
fmt.Sprintf("%s", cropGravity),
"-crop",
fmt.Sprintf("%dx%d+0+0", cropWidth, cropHeight),
)
}
args = append(args, fmt.Sprintf("%s:%s", format.ToString(), outfile))
err := runProcessorCommand(GM_COMMAND, args)
if err != nil {
return "", err
}
return outfile, nil
}
func CircleThumb(filename, name string, width int, format thumbType.ThumbType) (string, error) {
outfile := fmt.Sprintf("%s_%s", filename, name)
filename, err := Thumb(filename, name, width*2, width*2, format)
if err != nil {
return "", err
}
args := []string{
"-size",
fmt.Sprintf("%dx%d", width, width),
"xc:none",
"-fill",
filename,
"-quality",
"83",
"-density",
"72x72",
"-draw",
fmt.Sprintf("circle %d,%d %d,1", width/2, width/2, width/2),
fmt.Sprintf("%s:%s", format.ToString(), outfile),
}
err = runProcessorCommand(GM_COMMAND, args)
if err != nil {
return "", err
}
return outfile, nil
}
func Thumb(filename, name string, width, height int, format thumbType.ThumbType) (string, error) {
outfile := fmt.Sprintf("%s_%s", filename, name)
args := []string{
fmt.Sprintf("%s[0]", filename),
"-quality",
"83",
"-resize",
fmt.Sprintf("%dx%d>", width, height),
"-density",
"72x72",
fmt.Sprintf("%s:%s", format.ToString(), outfile),
}
err := runProcessorCommand(GM_COMMAND, args)
if err != nil {
return "", err
}
return outfile, nil
}
