Enumeration

CGInterpolationQuality

Levels of interpolation quality for rendering an image.

Declaration

typedef enum CGInterpolationQuality : int32_t {
    ...
} CGInterpolationQuality;

Overview

You use the function CGContextSetInterpolationQuality to set the interpolation quality in a graphics context.

Topics

Constants

kCGInterpolationDefault

The default level of quality.

kCGInterpolationNone

No interpolation.

kCGInterpolationLow

A low level of interpolation quality. This setting may speed up image rendering.

kCGInterpolationMedium

A medium level of interpolation quality. This setting is slower than the low setting but faster than the high setting.

kCGInterpolationHigh

A high level of interpolation quality. This setting may slow down image rendering.

See Also

Drawing Images and PDF Content

CGContextDrawPDFPage

Draws the content of a PDF page into the current graphics context.

CGContextGetInterpolationQuality

Returns the current level of interpolation quality for a graphics context.