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10-17-2004, 11:18 AM
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#1
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Member
Registered: Jul 2003
Location: Midlands, UK
Distribution: Slackware 10, Mandrake 9.2, Knoppix, Win XP
Posts: 62
Rep: 
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Making images paler with ImageMagick
Hi guys.
I'm trying to use ImageMagick to reduce the levels of colour in an image, so I can use it as a watermark in a website. All I need to do is make it really pale.
I've been trying to use -colorize but I can't get it right!
Can anyone help me please?
Regards,
Matt
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10-17-2004, 11:32 AM
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#2
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LQ Guru
Registered: Feb 2003
Location: Colorado Springs, CO
Distribution: Gentoo
Posts: 2,018
Rep:
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Perhaps use the -modulate option? Decreasing saturation and increasing value (brightness) should achieve what you're after. Something like -modulate 150,10. Reducing contrast might help too: +contrast (perversely, +contrast reduces contrast, -contrast increases it). The manual page for ImageMagick has a lot of other options, too - check it out.
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10-17-2004, 11:50 AM
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#3
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Member
Registered: Jul 2003
Location: Midlands, UK
Distribution: Slackware 10, Mandrake 9.2, Knoppix, Win XP
Posts: 62
Original Poster
Rep:
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Aha! I thought I was barking up the wrong tree.
That worked a treat. Thanks!
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