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Questions and postings pertaining to the usage of ImageMagick regardless of the interface. This includes the command-line utilities, as well as the C and C++ APIs. Usage questions are like "How do I use ImageMagick to create drop shadows?".
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galv
Posts: 62
Joined: 2010-05-23T17:35:59-07:00
Authentication code: 8675308

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Post by galv »

Is there a way to highlight a region, like text, like the way Word does it. But on raster images of course. It's not the same with filled rectangle, because in that case, the text won't be visible after the 'highlight'.
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anthony
Posts: 8883
Joined: 2004-05-31T19:27:03-07:00
Authentication code: 8675308
Location: Brisbane, Australia

Re: highlight

Post by anthony »

Set a -region then use any direct color modification operator you like.

For example, change colors so that white becomes gold
convert logo: -region 100x100+240+170 +level-colors black,gold show:
Anthony Thyssen -- Webmaster for ImageMagick Example Pages
https://imagemagick.org/Usage/
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