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Add option to keep metadata/tags in output image (#329)

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* add env var to disable stripping metadata

by default, all metadata will be stripped (as before)

* always strip orientation tags when rotating the image

in case IMGPROXY_STRIP_METADATA is false

* document IMGPROXY_STRIP_METADATA env var

* remove ICC profile after importing it

needed, in case metadata aren't stripped from the output image
This commit is contained in:
sauerbraten
2020-01-30 16:43:08 +01:00
committed by GitHub
parent aa8cff62f4
commit 89f8a4e11c
7 changed files with 63 additions and 43 deletions
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4
vips.h
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@@ -82,9 +82,9 @@ int vips_apply_watermark(VipsImage *in, VipsImage *watermark, VipsImage **out, d
int vips_arrayjoin_go(VipsImage **in, VipsImage **out, int n);
int vips_jpegsave_go(VipsImage *in, void **buf, size_t *len, int quality, int interlace);
int vips_jpegsave_go(VipsImage *in, void **buf, size_t *len, int quality, int interlace, gboolean strip);
int vips_pngsave_go(VipsImage *in, void **buf, size_t *len, int interlace, int quantize, int colors);
int vips_webpsave_go(VipsImage *in, void **buf, size_t *len, int quality);
int vips_webpsave_go(VipsImage *in, void **buf, size_t *len, int quality, gboolean strip);
int vips_gifsave_go(VipsImage *in, void **buf, size_t *len);
int vips_icosave_go(VipsImage *in, void **buf, size_t *len);
int vips_heifsave_go(VipsImage *in, void **buf, size_t *len, int quality);