Help! My PNG logo is not transparent in Camtasia Studio!

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I am trying to add a png company logo to a Camtasia Intro sequence but my png does not keep its transparency. What am i doing wrong i do not want a white boxed logo???
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thorrrr

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  • confused

Posted 9 years ago

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Kelly Mullins, TechSmith Employee & Helper

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Hello,
What version of Camtasia Studio are you using?
Also, how are you creating your logo / png file?

Camtasia Studio 7 does support transparency so something is wrong here.
I suspect it is easy to correct... we just need a bit more information.

Thanks for any more information you can provide.
Kelly
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thorrrr

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I have 7.1 Camtasia. I am using Photoshop to create a png 24 bit file.
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thorrrr

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I am trying to add it into the a Intro Sequence as a company logo but it shows up solid????
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Cameron Flint

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Hi thorrrr,

Can you try saving the PNG as a 32-bit image instead of a 24-bit one? It seems that Camtasia doesn't handle the alpha channel of a 24-bit PNG well.

Sorry for the trouble!
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thorrrr

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My png was 32 bit but when you save a png for web in PS you get an option of png 24 bit or 8 bit
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Kelly Mullins, TechSmith Employee & Helper

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Hi Thorrr,
Do you use Snagit? If not, you can download a free trial from the www.TechSmith.com website.

Open your logo in Snagit Editor and use the flood fill tool (set to the transparent color) and fill the white around the logo with transparency. Then, save it as a PNG file.

In Camtasia Studio, import the image as a callout. Drag to timeline and it should now be correct for you.

If you would like to learn more about creating media that works with Camtasia studio, we have a complete PDF guide that gives you step-by-step instructions for creating logos, lower thirds, intro and outro videos, and more. You can find that online here:
http://assets.techsmith.com/docs/pdf-...

I hope this helps!
Kelly
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Dave O'Rourke, Senior Software Engineer

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Official Response
First, you need a 32-bit PNG in order to get per-pixel transparency. The PNG-24 name in Photoshop is a bit of a misnomer, because you can save with or without transparency. If you save as PNG-24 with transparency in Photoshop, you get 24-bits of color information and 8-bits of alpha for each pixel. Make sure you've saved the file with transparency.

Second, in CS 7, you'll want to right-click on the image in the Clip Bin and use Add as Callout, as shown here. This will composite the image as a callout on top of the Video1 track. If the image has transparency, those parts of the image should show through to the video underneath. By default, images added as a callout get a drop shadow applied to make them stand out from the video underneath. If you don't want this, you can disable the shadow as shown here. Since callouts always go on top of a clip on the Video1 track, you can use a blank title clip, or create and use a background image at the editing dimensions as the background clip on the video 1 track.

In CS 7, If you simply drag the transparent.png to the Video1 track on the timeline, then CS will fill the frame with white out to your editing dimensions and then center the image inside the frame. This is a technical limitation with the way we handle images on the Video1 track, and usually not what you'd want for a PNG with transparency. We are working to improve this for a future release.

Hope this helps.
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demarest

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Well, that answers my question as to why my PNG watermark doesn't show transparency well. The problem is that I use Paintshop Pro 5, whose only PNG option is interlaced or not. It's 24-bit depth with no way to change it. Apparently the Paint that ships with Windows 7 also has no bit depth options.

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