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Merge pull request #8553 from alanorth/imagemagick-pdf-density

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dspace-api: allow overriding ImageMagick density
This commit is contained in:
Tim Donohue
2022-11-01 11:20:38 -05:00
committed by GitHub
parent 6003cc8151 bf0038182f
commit 7fdc3c53b5
2 changed files with 19 additions and 0 deletions
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13
dspace-api/src/main/java/org/dspace/app/mediafilter/ImageMagickThumbnailFilter.java
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@@ -119,6 +119,19 @@ public abstract class ImageMagickThumbnailFilter extends MediaFilter {
f2.deleteOnExit();
ConvertCmd cmd = new ConvertCmd();
IMOperation op = new IMOperation();
// Optionally override ImageMagick's default density of 72 DPI to use a
// "supersample" when creating the PDF thumbnail. Note that I prefer to
// use the getProperty() method here instead of getIntPropert() because
// the latter always returns an integer (0 in the case it's not set). I
// would prefer to keep ImageMagick's default to itself rather than for
// us to set one. Also note that the density option *must* come before
// we open the input file.
String density = configurationService.getProperty(PRE + ".density");
if (density != null) {
op.density(Integer.valueOf(density));
}
String s = "[" + page + "]";
op.addImage(f.getAbsolutePath() + s);
if (configurationService.getBooleanProperty(PRE + ".flatten", true)) {