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[OCLUG-Tech] Elementary graphics question (not directly Linux technical)

  • Subject: [OCLUG-Tech] Elementary graphics question (not directly Linux technical)
  • From: Bruce Miller <subscribe [ at ] brmiller [ dot ] ca>
  • Date: Fri, 9 Sep 2011 10:15:28 -0700 (PDT)
My questions to this list are not always directly "Linux technical." But I do 
always appreciate the patience and helpfulness of participants on this list.

The current challenge tells me that I have forgotten everything I ever knew 
about graphics, and that was very little to begin with. I am not sure even what 
terms to put into Google to begin looking. So, besides answering the direct 
question, I would also say a big thank you to any reference to a good 
introduction to graphics aimed at an absolute beginner.

My fiancee and I wish to use a musical score as the faint background underneath 
the text of our wedding invitations. If it is not misuse of a technical term, I 
would characterize our goal as using the image as a "watermark." The invitations 
themselves will be printed in colour on "invitation" stock (heavy paper / light 

My fiancee, who is not Linux-literate, found a graphic of the score she wants to 
use. I believe that what she originally found was a .jpg, but she saved it in a 
.doc file. I have not succeeded in finding the original .jpg on the web, but 
have extracted the image and saved it in both  .jpg and .png formats.

Because this is a graphical image of a musical score, it is literally "line 
art," with 100% contrast between the black image and the white background. My 
task is first to lower the contrast (saturation?  - I wish I knew the 
terminology ;-(. ) to the faintness of a watermark. The second task is to apply 
the champagne (greenish gold) which we wish to use for the text itself.

My gut feeling is that these two tasks are trivial, but I have blanked out on 
where and how to learn to do them. Let's put it down to the stress of planning a 

We will offer a "virtual piece of wedding cake" and many thanks to anyone with 
the patience to help us past this task.

With thanks in advance.

Bruce Miller
Bruce Miller, Ottawa, Ontario, Canada
bruce [ at ] brmiller [ dot ] ca; (613) 745-1151

In archaeology you uncover the unknown. In diplomacy you cover the known.
attributed to Thomas Pickering, retired US diplomat, born 1931