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Using correct ICC profile while exporting Webp Images #410

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merged 1 commit into from
Mar 3, 2024

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prashik-s
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@prashik-s
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closes #384

@tonimelisma tonimelisma merged commit 5c0bc15 into davidbyttow:master Mar 3, 2024
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I'm sorry @prashik-s but the test seems to be failing

tonimelisma added a commit that referenced this pull request Mar 3, 2024
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Sorry for the hassle. I had to revert the merge

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prashik-s commented Mar 3, 2024

I'm not sure what's wrong but the test didn't even execute. It failed even before this step
image
@tonimelisma Have you seen similar issues in the past?

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tonimelisma commented Mar 3, 2024 via email

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you can see test run #560:

`vips cac image_test.go:75:
Error Trace: image_test.go:75
Error: Not equal:
expected: []byte{0x0, 0x0, 0xc, 0x48, 0x4c, 0x69, 0x6e, 0x6f, 0x2, 0x10, 0x0, 0x0, 0x6d, 0x6e, 0x74, 0x72, 0x52, 0x47, 0x42, 0x20, 0x58, 0x59, 0x5a, 0x20, 0x7, 0xce, 0x0, 0x2, 0x0, 0x9, 0x0, 0x6, 0x0, 0x31, 0x0, 0x0, 0x61, 0x63, 0x73, 0x70, 0x4d, 0x53, 0x46, 0x54, 0x0, 0x0, 0x0, 0x0, 0x49, 0x45, 0x43, 0x20, 0x73, 0x52, 0x47, 0x42, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0xf6, 0xd6, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0xd3, 0x2d, 0x48, 0x50, 0x20, 0x20, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x11, 0x63, 0x70, 0x72, 0x74, 0x0, 0x0, 0x1, 0x50, 0x0, 0x0, 0x0, 0x33, 0x64, 0x65, 0x73, 0x63, 0x0, 0x0, 0x1, 0x84, 0x0, 0x0, 0x0, 0x6c, 0x77, 0x74, 0x70, 0x74, 0x0, 0x0, 0x1, 0xf0, 0x0, 0x0, 0x0, 0x14, 0x62, 0x6b, 0x70, 0x74, 0x0, 0x0, 0x2, 0x4, 0x0, 0x0, 0x0, 0x14, 0x72, 0x58, 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0x6d, 0xff, 0xff}
actual : []byte{}

    	            	Diff:
    	            	--- Expected
    	            	+++ Actual
    	            	@@ -1,199 +1,2 @@
    	            	-([]uint8) (len=3144) {
    	            	- 00000000  00 00 0c 48 4c 69 6e 6f  02 10 00 00 6d 6e 74 72  |...HLino....mntr|
    	            	- 00000010  52 47 42 20 58 59 5a 20  07 ce 00 02 00 09 00 06  |RGB XYZ ........|
    	            	- 00000020  00 31 00 00 61 63 73 70  4d 53 46 54 00 00 00 00  |.1..acspMSFT....|
    	            	- 00000030  49 45 43 20 73 52 47 42  00 00 00 00 00 00 00 00  |IEC sRGB........|
    	            	- 00000040  00 00 00 01 00 00 f6 d6  00 01 00 00 00 00 d3 2d  |...............-|
    	            	- 00000050  48 50 20 20 00 00 00 00  00 00 00 00 00 00 00 00  |HP  ............|
    	            	- 00000060  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
    	            	- 00000070  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
    	            	- 00000080  00 00 00 11 63 70 72 74  00 00 01 50 00 00 00 33  |....cprt...P...3|
    	            	- 00000090  64 65 73 63 00 00 01 84  00 00 00 6c 77 74 70 74  |desc.......lwtpt|
    	            	- 000000a0  00 00 01 f0 00 00 00 14  62 6b 70 74 00 00 02 04  |........bkpt....|
    	            	- 000000b0  00 00 00 14 72 58 59 5a  00 00 02 18 00 00 00 14  |....rXYZ........|
    	            	- 000000c0  67 58 59 5a 00 00 02 2c  00 00 00 14 62 58 59 5a  |gXYZ...,....bXYZ|
    	            	- 000000d0  00 00 02 40 00 00 00 14  64 6d 6e 64 00 00 02 54  |...@....dmnd...T|
    	            	- 000000e0  00 00 00 70 64 6d 64 64  00 00 02 c4 00 00 00 88  |...pdmdd........|
    	            	- 000000f0  76 75 65 64 00 00 03 4c  00 00 00 86 76 69 65 77  |vued...L....view|
    	            	- 00000100  00 00 03 d4 00 00 00 24  6c 75 6d 69 00 00 03 f8  |.......$lumi....|
    	            	- 00000110  00 00 00 14 6d 65 61 73  00 00 04 0c 00 00 00 24  |....meas.......$|
    	            	- 00000120  74 65 63 68 00 00 04 30  00 00 00 0c 72 54 52 43  |tech...0....rTRC|
    	            	- 00000130  00 00 04 3c 00 00 08 0c  67 54 52 43 00 00 04 3c  |...<....gTRC...<|
    	            	- 00000140  00 00 08 0c 62 54 52 43  00 00 04 3c 00 00 08 0c  |....bTRC...<....|
    	            	- 00000150  74 65 78 74 00 00 00 00  43 6f 70 79 72 69 67 68  |text....Copyrigh|
    	            	- 00000160  74 20 28 63 29 20 31 39  39 38 20 48 65 77 6c 65  |t (c) 1998 Hewle|
    	            	- 00000170  74 74 2d 50 61 63 6b 61  72 64 20 43 6f 6d 70 61  |tt-Packard Compa|
    	            	- 00000180  6e 79 00 00 64 65 73 63  00 00 00 00 00 00 00 12  |ny..desc........|
    	            	- 00000190  73 52 47 42 20 49 45 43  36 31 39 36 36 2d 32 2e  |sRGB IEC61966-2.|
    	            	- 000001a0  31 00 00 00 00 00 00 00  00 00 00 00 12 73 52 47  |1............sRG|
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    	            	+([]uint8) {
    	            	 }
    	Test:       	TestImageInbuildIcc_WebP

--- FAIL: TestImageInbuildIcc_WebP (0.38s)
`

@Auxority
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Auxority commented Mar 4, 2024

Hey, I ran into a similar issue with ICC profiles.

When converting a P3 Display image using the vips CLI command vips copy profile_picture.png x.webp[Q=100,effort=4] the colors stay quite similar (visually the same). However, govips loses quite a lot of color when performing the same operation using the following code:

func convertToWebP(image *vips.ImageRef, quality int) (imageBytes []byte, err error) {
	options := vips.NewWebpExportParams()
	options.ReductionEffort = 4
	options.Quality = quality

	imageBytes, _, err = image.ExportWebp(options)
	if err != nil {
		return nil, fmt.Errorf("error exporting to webp: %w", err)
	}

	return imageBytes, nil
}

Both output images are 1.29MB.
afbeelding

earlbread added a commit to earlbread/govips that referenced this pull request Oct 6, 2024
earlbread added a commit to earlbread/govips that referenced this pull request Oct 6, 2024
earlbread added a commit to earlbread/govips that referenced this pull request Oct 6, 2024
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3 participants