The tag has no wiki summary.

learn more… | top users | synonyms

2
votes
1answer
44 views

How do I add a background to a transparent png in gimp?

I have a png file with a transparent background. I would like to add a non-transparent background from a jpg. I have tried: Open the transparent png file. I see the picture with the checkerboard ...
0
votes
0answers
46 views

Can I export a PNG Image with transparent background to EMF and maintain the transparency of the backgound?

I´ve tried with Illustrator and Inkscape to export PNG to emf whilst trying to keep background transparency. Nothing works! Every time I export the image, I get a white background. I am sure this is ...
0
votes
1answer
95 views

Turn monotone background in transparent

On the internet, you usually get images, that originally were PNGs with aplha chanel and were pasted on white background. Is there some way to substract the white from the zones, where the ...
12
votes
1answer
14k views

Changing transparency in Paint.net

Given a bitmap image such as PNG (which may already have sections with varying degrees of transparency), how do I change the transparency level of a section?
2
votes
1answer
322 views

how to change the color that's used for transparency automatically, or programmatically?

For every picture (e.g. bmp, png), a transparent point actually does have a color The transparency is either defined by alpha channel mask (e.g. in PNG) or one of the colors is defined as ...
3
votes
4answers
2k views

Is there any way to save a PNG-8 file with Alpha Transparency in Photoshop?

I recently discovered something that I previous thought was impossible: PNG-8 files can store Alpha Transparency in the same way as PNG-32 files can. Not Indexed Transparency (like GIFs), but full on ...
0
votes
1answer
159 views

Is it possible to see other layers while scaling an image in Gimp?

I have 2 layers in Gimp: an image of human and environment bounding polyline I'm trying to scale the image to put human in the bounding polyline, but when I use a scale tool I see only the image ...
3
votes
3answers
4k views

Bulk convert PNG-24 to PNG-8 files with best quality

Can anybody recommend a good method of bulk converting a large amount of PNG-24 files to PNG-8 with as little loss of quality as possible and maintaining transparency? I've tried ImageMagick but the ...