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Remove levels

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This commit is contained in:
Milan Nikolic
2024-11-02 19:26:09 +01:00
parent c794ea6b9d
commit 71d8f9dbb6
4 changed files with 15 additions and 194 deletions
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40
README.md
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@@ -64,8 +64,8 @@ This is what it looks like in the PCManFM file manager:
            Best fit for required width and height (default "false")
        --format
            Image format, valid values are jpeg, png, tiff, bmp, webp, avif, jxl (default "jpeg")
--archive
Archive format, valid values are zip, tar (default "zip")
        --archive
            Archive format, valid values are zip, tar (default "zip")
        --quality
            Image quality (default "75")
        --filter
@@ -77,7 +77,7 @@ This is what it looks like in the PCManFM file manager:
        --no-nonimage
            Remove non-image files from the archive (default "false")
        --no-convert
       Do not transform or convert images (default "false")
            Do not transform or convert images (default "false")
        --grayscale
            Convert images to grayscale (monochromatic) (default "false")
        --rotate
@@ -88,16 +88,6 @@ This is what it looks like in the PCManFM file manager:
            Adjust the contrast of the images, must be in the range (-100, 100) (default "0")
        --suffix
            Add suffix to file basename (default "")
        --levels-inmin
            Shadow input value (default "0")
        --levels-gamma
            Midpoint/Gamma (default "1")
        --levels-inmax
            Highlight input value (default "255")
        --levels-outmin
            Shadow output value (default "0")
        --levels-outmax
            Highlight output value (default "255")
        --outdir
            Output directory (default ".")
        --size
@@ -153,19 +143,19 @@ This is what it looks like in the PCManFM file manager:
        --quiet
            Hide console output (default "false")
meta
CBZ metadata
      meta
            CBZ metadata
--cover
Print cover name (default "false")
--comment
Print zip comment (default "false")
--comment-body
Set zip comment (default "")
--file-add
Add file to archive (default "")
--file-remove
Remove file(s) from archive (glob pattern, i.e. *.xml) (default "")
        --cover
            Print cover name (default "false")
        --comment
            Print zip comment (default "false")
        --comment-body
            Set zip comment (default "")
        --file-add
            Add file to archive (default "")
        --file-remove
            Remove file(s) from archive (glob pattern, i.e. *.xml) (default "")
```

71
cbconvert.go
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@@ -121,16 +121,6 @@ type Options struct {
Size int
// Hide console output
Quiet bool
// Shadow input value
LevelsInMin int
// Highlight input value
LevelsInMax int
// Midpoint/gamma
LevelsGamma float64
// Shadow output value
LevelsOutMin int
// Highlight output value
LevelsOutMax int
}
// Converter type.
@@ -180,9 +170,6 @@ func NewOptions() Options {
o.Archive = "zip"
o.Quality = 75
o.Filter = 2
o.LevelsGamma = 1.0
o.LevelsInMax = 255
o.LevelsOutMax = 255
return o
}
@@ -487,14 +474,6 @@ func (c *Converter) imageConvert(ctx context.Context, img image.Image, index int
img = c.imageTransform(img)
if c.Opts.LevelsInMin != 0 || c.Opts.LevelsInMax != 255 || c.Opts.LevelsGamma != 1.0 ||
c.Opts.LevelsOutMin != 0 || c.Opts.LevelsOutMax != 255 {
img, err = c.imageLevel(img)
if err != nil {
return fmt.Errorf("imageConvert: %w", err)
}
}
w, err := os.Create(fileName)
if err != nil {
return fmt.Errorf("imageConvert: %w", err)
@@ -553,48 +532,6 @@ func (c *Converter) imageTransform(img image.Image) image.Image {
return i
}
// imageLevel applies a Photoshop-like levels operation on an image.
func (c *Converter) imageLevel(img image.Image) (image.Image, error) {
mw := imagick.NewMagickWand()
defer mw.Destroy()
rgba := imageToRGBA(img)
err := mw.ConstituteImage(uint(img.Bounds().Dx()), uint(img.Bounds().Dy()), "RGBA", imagick.PIXEL_CHAR, rgba.Pix)
if err != nil {
return img, fmt.Errorf("imageLevel: %w", err)
}
_, qrange := imagick.GetQuantumRange()
quantumRange := float64(qrange)
inMin := (quantumRange * float64(c.Opts.LevelsInMin)) / 255
inMax := (quantumRange * float64(c.Opts.LevelsInMax)) / 255
outMin := (quantumRange * float64(c.Opts.LevelsOutMin)) / 255
outMax := (quantumRange * float64(c.Opts.LevelsOutMax)) / 255
if err := mw.LevelImage(inMin, c.Opts.LevelsGamma, inMax); err != nil {
return img, fmt.Errorf("imageLevel: %w", err)
}
if err := mw.LevelImage(-outMin, 1.0, quantumRange+(quantumRange-outMax)); err != nil {
return img, fmt.Errorf("imageLevel: %w", err)
}
blob := mw.GetImageBlob()
var i image.Image
i, err = c.imageDecode(bytes.NewReader(blob))
if err != nil {
e := err
i, err = c.imDecode(bytes.NewReader(blob), "")
if err != nil {
return nil, fmt.Errorf("imageLevel: %w: %w", e, err)
}
}
return i, nil
}
// imageDecode decodes image from reader.
func (c *Converter) imageDecode(reader io.Reader) (image.Image, error) {
img, _, err := image.Decode(reader)
@@ -1225,14 +1162,6 @@ func (c *Converter) Preview(fileName string, fileInfo os.FileInfo, width, height
i = c.imageTransform(i)
if c.Opts.LevelsInMin != 0 || c.Opts.LevelsInMax != 255 || c.Opts.LevelsGamma != 1.0 ||
c.Opts.LevelsOutMin != 0 || c.Opts.LevelsOutMax != 255 {
i, err = c.imageLevel(i)
if err != nil {
return img, fmt.Errorf("%s: %w", fileName, err)
}
}
var w bytes.Buffer
switch c.Opts.Format {

93
cmd/cbconvert-gui/main.go
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@@ -120,11 +120,6 @@ func options() cbconvert.Options {
opts.Brightness = iup.GetHandle("Brightness").GetInt("VALUE")
opts.Contrast = iup.GetHandle("Contrast").GetInt("VALUE")
opts.Rotate = iup.GetHandle("Rotate").GetInt("VALUESTRING")
opts.LevelsInMin = iup.GetHandle("LevelsInMin").GetInt("VALUE")
opts.LevelsInMax = iup.GetHandle("LevelsInMax").GetInt("VALUE")
opts.LevelsOutMin = iup.GetHandle("LevelsOutMin").GetInt("VALUE")
opts.LevelsOutMax = iup.GetHandle("LevelsOutMax").GetInt("VALUE")
opts.LevelsGamma = iup.GetHandle("LevelsGamma").GetDouble("VALUE")
return opts
}
@@ -539,94 +534,6 @@ func tabs() iup.Ihandle {
return iup.DEFAULT
})),
),
iup.Vbox(
iup.Label("Input Levels:"),
iup.Hbox(
iup.Text().SetAttributes(`SPIN=YES, SPINMAX=255, VALUE=0, VISIBLECOLUMNS=3, MASK="/d*"`).
SetHandle("LevelsInMin").SetAttribute("TIP", "Min").
SetCallback("VALUECHANGED_CB", iup.ValueChangedFunc(func(ih iup.Ihandle) int {
ih.SetAttribute("MYVALUE", ih.GetInt("VALUE"))
return iup.DEFAULT
})).
SetCallback("KILLFOCUS_CB", iup.KillFocusFunc(func(ih iup.Ihandle) int {
if ih.GetAttribute("MYVALUE") != "" {
previewPost()
}
ih.SetAttribute("MYVALUE", "")
return iup.DEFAULT
})),
iup.Fill(),
iup.Val("").SetAttributes(`VALUE=1.0, SHOWTICKS=10`).
SetHandle("LevelsGamma").SetAttribute("TIP", "Gamma").
SetCallback("VALUECHANGED_CB", iup.ValueChangedFunc(func(ih iup.Ihandle) int {
ih.SetAttribute("MYVALUE", ih.GetInt("VALUE"))
return iup.DEFAULT
})).
SetCallback("KILLFOCUS_CB", iup.KillFocusFunc(func(ih iup.Ihandle) int {
if ih.GetAttribute("MYVALUE") != "" {
previewPost()
}
ih.SetAttribute("MYVALUE", "")
return iup.DEFAULT
})),
iup.Fill(),
iup.Text().SetAttributes(`SPIN=YES, SPINMAX=255, VALUE=255, VISIBLECOLUMNS=3, MASK="/d*"`).
SetHandle("LevelsInMax").SetAttribute("TIP", "Max").
SetCallback("VALUECHANGED_CB", iup.ValueChangedFunc(func(ih iup.Ihandle) int {
ih.SetAttribute("MYVALUE", ih.GetInt("VALUE"))
return iup.DEFAULT
})).
SetCallback("KILLFOCUS_CB", iup.KillFocusFunc(func(ih iup.Ihandle) int {
if ih.GetAttribute("MYVALUE") != "" {
previewPost()
}
ih.SetAttribute("MYVALUE", "")
return iup.DEFAULT
})),
).SetAttributes("ALIGNMENT=ACENTER, MAXSIZE=340x"),
),
iup.Vbox(
iup.Label("Output Levels:"),
iup.Hbox(
iup.Text().SetAttributes(`SPIN=YES, SPINMAX=255, VALUE=0, VISIBLECOLUMNS=3, MASK="/d*"`).
SetHandle("LevelsOutMin").SetAttribute("TIP", "Min").
SetCallback("VALUECHANGED_CB", iup.ValueChangedFunc(func(ih iup.Ihandle) int {
ih.SetAttribute("MYVALUE", ih.GetInt("VALUE"))
return iup.DEFAULT
})).
SetCallback("KILLFOCUS_CB", iup.KillFocusFunc(func(ih iup.Ihandle) int {
if ih.GetAttribute("MYVALUE") != "" {
previewPost()
}
ih.SetAttribute("MYVALUE", "")
return iup.DEFAULT
})),
iup.Fill(),
iup.Text().SetAttributes(`SPIN=YES, SPINMAX=255, VALUE=255, VISIBLECOLUMNS=3, MASK="/d*"`).
SetHandle("LevelsOutMax").SetAttribute("TIP", "Max").
SetCallback("VALUECHANGED_CB", iup.ValueChangedFunc(func(ih iup.Ihandle) int {
ih.SetAttribute("MYVALUE", ih.GetInt("VALUE"))
return iup.DEFAULT
})).
SetCallback("KILLFOCUS_CB", iup.KillFocusFunc(func(ih iup.Ihandle) int {
if ih.GetAttribute("MYVALUE") != "" {
previewPost()
}
ih.SetAttribute("MYVALUE", "")
return iup.DEFAULT
})),
).SetAttributes("ALIGNMENT=ACENTER, MAXSIZE=340x"),
),
).SetHandle("VboxTransform").SetAttributes("MARGIN=5x5, GAP=5")
return iup.Tabs(

5
cmd/cbconvert/main.go
View File

@@ -181,11 +181,6 @@ func parseFlags() (cbconvert.Options, []string) {
convert.IntVar(&opts.Brightness, "brightness", 0, "Adjust the brightness of the images, must be in the range (-100, 100)")
convert.IntVar(&opts.Contrast, "contrast", 0, "Adjust the contrast of the images, must be in the range (-100, 100)")
convert.StringVar(&opts.Suffix, "suffix", "", "Add suffix to file basename")
convert.IntVar(&opts.LevelsInMin, "levels-inmin", 0, "Shadow input value")
convert.Float64Var(&opts.LevelsGamma, "levels-gamma", 1.0, "Midpoint/Gamma")
convert.IntVar(&opts.LevelsInMax, "levels-inmax", 255, "Highlight input value")
convert.IntVar(&opts.LevelsOutMin, "levels-outmin", 0, "Shadow output value")
convert.IntVar(&opts.LevelsOutMax, "levels-outmax", 255, "Highlight output value")
convert.StringVar(&opts.OutDir, "outdir", ".", "Output directory")
convert.IntVar(&opts.Size, "size", 0, "Process only files larger than size (in MB)")
convert.BoolVar(&opts.Recursive, "recursive", false, "Process subdirectories recursively")