Legacy ImageMagick Discussions Archive

Hi fmw42. Please check my original post. I have elaborated there, pretty much as much as I can. Snigbo is trying to help me there. But they are not a c++ user, so they are mainly confused by my ramblings...

Snigbo. I dont, this code, is a part of a larger app, written in C++, that uses OpenGL to display various Media. I am using ImageMagick for general image processing tasks.In this case, to generate text for overlaying in my main app.

currentImage

in my code, is a shared Magick::Image object, that ...

Snigbo, I already have, as requested by an earlier post. See my post above, to whit...

shadowImage = https://dl.dropbox.com/s/3xmm6zyxikem87r/shadowImage.png
textImage = https://dl.dropbox.com/s/ibm750y2g47kf3z/textImage.png

And the result of shadowImage.composite( textImage, int(-(shadowOffset ...

Yes, its that "grey" outline that should not be there. Its not, if for example, I pass out image C, the white text...

OK, Here is the full forensic breakdown....

A. Firstly we create a GREYSCALE black image, with white text on it. This will be used as an alpha channel for the text....
https://dl.dropboxusercontent.com/s/2k82madd5a664ae/textOpacity.png

B. Then we create an RGB image, which will be the colour for ...

OK, sorry, trying to share using DropBox, not tried it before. Anyway, I have replaced the IMG links in the original post with new links to native DB share links. Please give these a try and let me know if these are working for you?

In terms of software version, I am using 6.9.2-4, this is a custom ...

Please see this post,

viewtopic.php?f=23&t=29015

Sorry, would have posted here, but I only spotted this Forum after posting initial query...

Hey, I ran into a rather bad issue using the Annotate feature of ImageMagick. I want to be able to use the Annotation feature to create labels, with a transparent background, and to then overlay these over other images in an app I am developing.

here is an example of the basic issue. When you ...

"In command line, you would use -compose copy_opacity -composite to put an image into the alpha channel. Sorry, I do not know how to do that in your API. But I would suspect it is done through the use of the composite equivalent in your API."

Please see above, it shows how to do the operation in ...

Hey, I had something of an issues with the API's annotate method, with a black border appearing around its text, when it was composited over another images. As a result, I decided to create my own image, using the text as an alpha channel. This was a real pain, as how to combine channels in this API ...