https://github.com/ImageMagick/ImageMagick/issues/1873

Cristy · Cristy · commit 3c92cc113675 · 2020-04-01T19:39:07.000-04:00
diff --git a/ChangeLog b/ChangeLog
@@ -4,6 +4,8 @@
 2020-03-28  7.0.10-4 Cristy  <quetzlzacatenango@image...>
   * The X max attribute for certain fonts is zero (reference
     https://imagemagick.org/discourse-server/viewtopic.php?f=1&t=37723).
+  * Multi-value of jp2:quality does not work (reference
+    https://github.com/ImageMagick/ImageMagick/issues/1873).
 
 2020-03-27  7.0.10-3 Cristy  <quetzlzacatenango@image...>
   * Release ImageMagick version 7.0.10-3, GIT revision 17108:5a4f5a9:20200327.
diff --git a/coders/jp2.c b/coders/jp2.c
@@ -862,6 +862,7 @@ static MagickBooleanType WriteJP2Image(const ImageInfo *image_info,Image *image,
     {
       parameters->tcp_distoratio[0]=(double) image_info->quality;
       parameters->cp_fixed_quality=OPJ_TRUE;
+      parameters->cp_disto_alloc=0;
     }
   if (image_info->extract != (char *) NULL)
     {
@@ -910,6 +911,7 @@ static MagickBooleanType WriteJP2Image(const ImageInfo *image_info,Image *image,
       }
       parameters->tcp_numlayers=i+1;
       parameters->cp_fixed_quality=OPJ_TRUE;
+      parameters->cp_disto_alloc=0;
     }
   option=GetImageOption(image_info,"jp2:progression-order");
   if (option != (const char *) NULL)

Original file line number	Diff line number	Diff line change
`@@ -862,6 +862,7 @@ static MagickBooleanType WriteJP2Image(const ImageInfo image_info,Image image,`
`862`	`862`	`{`
`863`	`863`	`parameters->tcp_distoratio[0]=(double) image_info->quality;`
`864`	`864`	`parameters->cp_fixed_quality=OPJ_TRUE;`
	`865`	`+ parameters->cp_disto_alloc=0;`
`865`	`866`	`}`
`866`	`867`	`if (image_info->extract != (char *) NULL)`
`867`	`868`	`{`
`@@ -910,6 +911,7 @@ static MagickBooleanType WriteJP2Image(const ImageInfo image_info,Image image,`
`910`	`911`	`}`
`911`	`912`	`parameters->tcp_numlayers=i+1;`
`912`	`913`	`parameters->cp_fixed_quality=OPJ_TRUE;`
	`914`	`+ parameters->cp_disto_alloc=0;`
`913`	`915`	`}`
`914`	`916`	`option=GetImageOption(image_info,"jp2:progression-order");`
`915`	`917`	`if (option != (const char *) NULL)`