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New posts in core-graphics
How to reset to identity the "current transformation matrix" with some CGContext function?
Nov 29, 2020
cocoa-touch
matrix
core-graphics
CGImage create thumbnail image with desired size
Oct 18, 2021
size
core-graphics
thumbnails
How can i convert UIFont to CGFontRef?I causes warning and not working
Aug 30, 2020
iphone
cocoa-touch
core-graphics
Drawing a CIImage is too slow
Mar 30, 2022
ios
swift
core-graphics
ciimage
Drawing simple lines on iPhone with CoreGraphics
Nov 11, 2022
ios
cocoa-touch
drawing
core-graphics
How do I create a smoothly resizable circular UIView?
Aug 26, 2021
uiview
core-graphics
uiviewanimation
How do I create an alpha only bitmap context
Jan 20, 2020
ios
core-graphics
alpha
cgbitmapcontextcreate
Difference between stroke and fill?
Oct 29, 2022
iphone-sdk-3.0
core-graphics
How to reproduce this Xcode blue drag line
Jan 22, 2022
swift
cocoa
core-graphics
Mac OS X: Drawing into an offscreen NSGraphicsContext using CGContextRef C functions has no effect. Why?
Mar 20, 2022
objective-c
macos
cocoa
core-graphics
quartz-2d
How do I lower the amount of memory IOKit reserves at process start up?
Nov 17, 2019
macos
memory-management
core-graphics
framebuffer
iokit
Gradient along MKPolyLineView ( MKPolylineRenderer )
Mar 11, 2019
ios
iphone
core-graphics
mkpolyline
How to merge UIImages while using transform (scale, rotation and translation)?
Nov 20, 2022
ios
swift
core-graphics
cgcontext
cgaffinetransform
Transparent background in CoreGraphics
Feb 10, 2019
iphone
core-graphics
iOS Performance Tuning: fastest way to get pixel color for large images
Apr 20, 2022
ios
performance
uiimage
core-graphics
Any idea why this image masking code does not work?
Sep 06, 2022
iphone
cocoa-touch
uikit
image-manipulation
core-graphics
Animate a UIView along an arc
Apr 19, 2022
ios
core-graphics
CGContext: how do I erase pixels (e.g. kCGBlendModeClear) outside of a bitmap context?
Dec 28, 2021
ios
objective-c
core-graphics
cgcontext
Anomalous results getting color components of some UIColors
Dec 11, 2018
iphone
core-graphics
uicolor
cgcolor
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