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10 commits

Author SHA1 Message Date
Paul van Brouwershaven
283394a4fd
images: Text filter that draws text with the given options (#9239) 
Fixes #9238
 2021-12-07 11:29:55 +01:00
Bjørn Erik Pedersen
30eea3915b resources: Regenerate image golden testdata 
Keep this as a separate commit as this isn't because the files have changed. The filenames have changed due to cache busting of PNG and Webp images.

See #8729
 2021-07-07 17:25:14 +02:00
Bjørn Erik Pedersen
8f40f34cd1 Fix transparency problem when converting 32-bit images to WebP 
Fixes #8729
 2021-07-07 17:25:14 +02:00
Bjørn Erik Pedersen
33d5f80592
Add webp image encoding support 
Fixes #5924
 2021-04-15 17:22:55 +02:00
Cameron Moore
0a2ab3f8fe exif: Allow more spacing characters in strings 
The root cause of issue #8079 was a non-breaking space (U+0160).
`unicode.IsPrint` only allows the ASCII space (U+0020).  Be more lenient
by using `unicode.IsGraphic` instead.

Fixes #8079
 2021-03-13 21:20:10 +01:00
Bjørn Erik Pedersen
3ba147e702 images: Add images.Overlay filter 
This allows for constructs ala:

```
{{ $overlay := $img.Filter (images.Overlay $logo 50 50 )}}
```
Or:

```
{{ $logoFilter := (images.Overlay $logo 50 50 ) }}
{{ $overlay := $img | images.Filter $logoFilter }}
```

Which will overlay the logo in the top left corner (x=50, y=50) of `$img`.

Fixes #8057
Fixes #4595
Updates #6731
 2020-12-17 09:14:18 +01:00
Bjørn Erik Pedersen
4b286b9d27 resources/images: Allow to set background fill colour 
Closes #6298
 2019-10-20 22:06:58 +02:00
Bjørn Erik Pedersen
823f53c861
Add a set of image filters 
With this you can do variants of this:

```
{{ $img := resources.Get "images/misc/3-jenny.jpg" }}
{{ $img := $img.Resize "300x" }}
{{ $g1 := $img.Filter images.Grayscale }}
{{ $g2 := $img | images.Filter (images.Saturate 30) (images.GaussianBlur 3) }}
```

Fixes #6255
 2019-08-28 15:59:54 +02:00
Bjørn Erik Pedersen
c62bbf7b11
Fix image format detection for upper case extensions, e.g. JPG 
This regression was introduced in 0.56.0.

Fixes #6137
 2019-07-30 08:53:50 +02:00
Bjørn Erik Pedersen
ce8a09a4c0 resources: Move resource interfaces into its own package 2019-01-02 14:25:37 +01:00