From 3002a95bd7015498c78deda78fd56c3ae0f37631 Mon Sep 17 00:00:00 2001
From: Janne Koschinski <janne@kuschku.de>
Date: Wed, 20 Jan 2021 18:17:09 +0100
Subject: [PATCH] Modify scaler and add support for color profiles
---
main.go | 2 +-
util.go | 8 ++++++--
2 files changed, 7 insertions(+), 3 deletions(-)
diff --git a/main.go b/main.go
index ca9e6ec..2d9f849 100644
--- a/main.go
+++ b/main.go
@@ -63,7 +63,7 @@ func processImage(config *Config, client *redis.Client, value string) {
profiles[name] = wand.GetImageProfile(name)
}
- err = wandLinear.TransformImageColorspace(imagick.COLORSPACE_RGB)
+ err = wandLinear.TransformImageColorspace(imagick.COLORSPACE_LAB)
if err != nil {
panic(err)
}
diff --git a/util.go b/util.go
index d0b6f56..a293423 100644
--- a/util.go
+++ b/util.go
@@ -69,14 +69,14 @@ func resize(wand *imagick.MagickWand, wandLinear *imagick.MagickWand, originalCo
}
if (width != nWidth) || (height != nHeight) {
- err = mw.ResizeImage(nWidth, nHeight, imagick.FILTER_LANCZOS, 1)
+ err = mw.ResizeImage(nWidth, nHeight, imagick.FILTER_BOX, 1)
if err != nil {
return err
}
}
}
- err = mw.TransformImageColorspace(imagick.COLORSPACE_SRGB)
+ err = mw.TransformImageColorspace(originalColorSpace)
if err != nil {
return err
}
@@ -91,6 +91,10 @@ func resize(wand *imagick.MagickWand, wandLinear *imagick.MagickWand, originalCo
_ = mw.StripImage()
+ for key, value := range profiles {
+ _ = mw.SetImageProfile(key, []byte(value))
+ }
+
err = mw.WriteImage(target)
return err
--
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