Top "Png" questions

PNG (Portable Network Graphics) is an image file format designed to store raster graphics.

Replace transparency in PNG images with white background

I've got some PNG images with transparency, and I need to create versions with the image layer composed onto a …

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png imagemagick alpha-transparency
Convert UIImage to NSData and convert back to UIImage in Swift?

I'm trying to save a UIImage to NSData and then read the NSData back to a new UIImage in Swift. …

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ios swift uiimage png nsdata
What is difference between png8 and png24

I want to know about uses of png files. There are two formats available for png images; one is png8 …

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html css png png-24 png-8
Convert RGBA PNG to RGB with PIL

I'm using PIL to convert a transparent PNG image uploaded with Django to a JPG file. The output looks broken. …

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python png jpeg python-imaging-library rgba
Base64 PNG data to HTML5 canvas

I want to load a PNG image encoded in Base64 to canvas element. I have this code: <html> &…

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html canvas png base64
Use PHP to convert PNG to JPG with compression?

I have a bunch of high quality PNG files. I want to use PHP to convert them to JPG because …

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php png jpeg
Set transparent background using ImageMagick and commandline prompt

Suppose you have any image (PNG or JPG). This image has a white background and I need to make this …

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png imagemagick alpha-transparency
R plot: size and resolution

I have stacked into the question: I need to plot the image with DPI=1200 and specific print size. By default …

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r png plot
PPT to PNG with transparent background

I have a PowerPoint .ppt file and I have to create an image for every slide. I'm trying to use …

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png powerpoint transparent
How to change the background colour's opacity in CSS

I have a PNG file which I give a background colour to its transparent areas, but I would like to …

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css background png opacity