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bsingr/defines.h

Created February 12, 2014 15:54
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Drawing on non-retina devices.
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defines.h
// https://developer.apple.com/library/ios/documentation/2ddrawing/conceptual/drawingprintingios/graphicsdrawingoverview/graphicsdrawingoverview.html
#define ALIGN_POINT_TO_PIXEL(floatValue) ( (((NSInteger) roundf(floatValue)) % 2 == 0) ? floatValue : floatValue + 0.5f )
// Usage:
// rect.x = ALIGN_POINT_TO_PIXEL(rect.x)
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bsingr commented Feb 12, 2014

See https://developer.apple.com/library/ios/documentation/2ddrawing/conceptual/drawingprintingios/graphicsdrawingoverview/graphicsdrawingoverview.html

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