Tag core-graphics - This is page 283 - GeneraCodice

Just in theory: How is the alpha component premultiplied into the other components of an PNG in iPhone OS, and how can it be unpremultiplied properly?

https://www.generacodice.com/en/articolo/181015/just-in-theory-how-is-the-alpha-component-premultiplied-into-the-other-components-of-an-png-in-iphone-os-and-how-can-it-be-unpremultiplied-properly

iphone - cocoa - png - core-graphics - png-24

How many bits per component do I have to specify for pngcrunch-optimized 24bit PNG files with alphatransparency?

https://www.generacodice.com/en/articolo/180445/how-many-bits-per-component-do-i-have-to-specify-for-pngcrunch-optimized-24bit-png-files-with-alphatransparency

iphone - png - core-graphics - png-24

How can I find out how many bytes one pixel has in an CGImageRef?

https://www.generacodice.com/en/articolo/180046/how-can-i-find-out-how-many-bytes-one-pixel-has-in-an-cgimageref

iphone - cocoa-touch - uikit - core-graphics

What kind of data is size_t holding?

https://www.generacodice.com/en/articolo/179952/what-kind-of-data-is-size-t-holding

objective-c - iphone - cocoa-touch - uikit - core-graphics

iPhone development using sprites

https://www.generacodice.com/en/articolo/170407/iphone-development-using-sprites

iphone - 2d - core-graphics - sprite

Cocoa: Quartz, Core Graphics, Context vs View. Oh My!

https://www.generacodice.com/en/articolo/169340/cocoa-quartz-core-graphics-context-vs-view-oh-my

cocoa - cocoa-touch - core-graphics - quartz-graphics

CGContext - is there a way to reset the current context

https://www.generacodice.com/en/articolo/166857/cgcontext-is-there-a-way-to-reset-the-current-context

iphone - cocoa-touch - core-graphics

Affine Transformations vs Keyframing

https://www.generacodice.com/en/articolo/164934/affine-transformations-vs-keyframing

iphone - cocoa-touch - core-animation - core-graphics

CGContextDrawImage draws image upside down when passed UIImage.CGImage

https://www.generacodice.com/en/articolo/163819/cgcontextdrawimage-draws-image-upside-down-when-passed-uiimage-cgimage

ios - cocoa-touch - core-graphics - cgcontextdrawimage

Drawing a UIImage on top of another within one UIImageView

https://www.generacodice.com/en/articolo/158138/drawing-a-uiimage-on-top-of-another-within-one-uiimageview

iphone - cocoa-touch - core-graphics - uiimageview

Results found: 2876