#import "CPTUtilities.h"
#import "CPTLineStyle.h"
#import <tgmath.h>

Include dependency graph for CPTUtilities.m:

Macros
#define	kCacheSize
	The size of the decimal number cache used by various utility functions. More...

Functions
int8_t	CPTDecimalCharValue (NSDecimal decimalNumber)
	Converts an NSDecimal value to an 8-bit integer. More...

int16_t	CPTDecimalShortValue (NSDecimal decimalNumber)
	Converts an NSDecimal value to a 16-bit integer. More...

int32_t	CPTDecimalLongValue (NSDecimal decimalNumber)
	Converts an NSDecimal value to a 32-bit integer. More...

int64_t	CPTDecimalLongLongValue (NSDecimal decimalNumber)
	Converts an NSDecimal value to a 64-bit integer. More...

int	CPTDecimalIntValue (NSDecimal decimalNumber)
	Converts an NSDecimal value to an `int`. More...

NSInteger	CPTDecimalIntegerValue (NSDecimal decimalNumber)
	Converts an NSDecimal value to an NSInteger. More...

uint8_t	CPTDecimalUnsignedCharValue (NSDecimal decimalNumber)
	Converts an NSDecimal value to an unsigned 8-bit integer. More...

uint16_t	CPTDecimalUnsignedShortValue (NSDecimal decimalNumber)
	Converts an NSDecimal value to an unsigned 16-bit integer. More...

uint32_t	CPTDecimalUnsignedLongValue (NSDecimal decimalNumber)
	Converts an NSDecimal value to an unsigned 32-bit integer. More...

uint64_t	CPTDecimalUnsignedLongLongValue (NSDecimal decimalNumber)
	Converts an NSDecimal value to an unsigned 64-bit integer. More...

unsigned int	CPTDecimalUnsignedIntValue (NSDecimal decimalNumber)
	Converts an NSDecimal value to an `unsigned int`. More...

NSUInteger	CPTDecimalUnsignedIntegerValue (NSDecimal decimalNumber)
	Converts an NSDecimal value to an NSUInteger. More...

float	CPTDecimalFloatValue (NSDecimal decimalNumber)
	Converts an NSDecimal value to a `float`. More...

double	CPTDecimalDoubleValue (NSDecimal decimalNumber)
	Converts an NSDecimal value to a `double`. More...

CGFloat	CPTDecimalCGFloatValue (NSDecimal decimalNumber)
	Converts an NSDecimal value to a CGFloat. More...

NSString *__nonnull	CPTDecimalStringValue (NSDecimal decimalNumber)
	Converts an NSDecimal value to an NSString. More...

NSDecimal	CPTDecimalFromChar (int8_t anInt)
	Converts an 8-bit integer value to an NSDecimal. More...

NSDecimal	CPTDecimalFromShort (int16_t anInt)
	Converts a 16-bit integer value to an NSDecimal. More...

NSDecimal	CPTDecimalFromLong (int32_t anInt)
	Converts a 32-bit integer value to an NSDecimal. More...

NSDecimal	CPTDecimalFromLongLong (int64_t anInt)
	Converts a 64-bit integer value to an NSDecimal. More...

NSDecimal	CPTDecimalFromInt (int anInt)
	Converts an `int` value to an NSDecimal. More...

NSDecimal	CPTDecimalFromInteger (NSInteger anInt)
	Converts an NSInteger value to an NSDecimal. More...

NSDecimal	CPTDecimalFromUnsignedChar (uint8_t anInt)
	Converts an unsigned 8-bit integer value to an NSDecimal. More...

NSDecimal	CPTDecimalFromUnsignedShort (uint16_t anInt)
	Converts an unsigned 16-bit integer value to an NSDecimal. More...

NSDecimal	CPTDecimalFromUnsignedLong (uint32_t anInt)
	Converts an unsigned 32-bit integer value to an NSDecimal. More...

NSDecimal	CPTDecimalFromUnsignedLongLong (uint64_t anInt)
	Converts an unsigned 64-bit integer value to an NSDecimal. More...

NSDecimal	CPTDecimalFromUnsignedInt (unsigned int anInt)
	Converts an `unsigned int` value to an NSDecimal. More...

NSDecimal	CPTDecimalFromUnsignedInteger (NSUInteger anInt)
	Converts an NSUInteger value to an NSDecimal. More...

NSDecimal	CPTDecimalFromFloat (float aFloat)
	Converts a `float` value to an NSDecimal. More...

NSDecimal	CPTDecimalFromDouble (double aDouble)
	Converts a `double` value to an NSDecimal. More...

NSDecimal	CPTDecimalFromCGFloat (CGFloat aCGFloat)
	Converts a CGFloat value to an NSDecimal. More...

NSDecimal	CPTDecimalFromString (NSString *__nonnull stringRepresentation)
	Parses a string and extracts the numeric value as an NSDecimal. More...

NSDecimal	CPTDecimalAdd (NSDecimal leftOperand, NSDecimal rightOperand)
	Adds two NSDecimal structs together. More...

NSDecimal	CPTDecimalSubtract (NSDecimal leftOperand, NSDecimal rightOperand)
	Subtracts one NSDecimal from another. More...

NSDecimal	CPTDecimalMultiply (NSDecimal leftOperand, NSDecimal rightOperand)
	Multiplies two NSDecimal structs together. More...

NSDecimal	CPTDecimalDivide (NSDecimal numerator, NSDecimal denominator)
	Divides one NSDecimal by another. More...

BOOL	CPTDecimalGreaterThan (NSDecimal leftOperand, NSDecimal rightOperand)
	Checks to see if one NSDecimal is greater than another. More...

BOOL	CPTDecimalGreaterThanOrEqualTo (NSDecimal leftOperand, NSDecimal rightOperand)
	Checks to see if one NSDecimal is greater than or equal to another. More...

BOOL	CPTDecimalLessThan (NSDecimal leftOperand, NSDecimal rightOperand)
	Checks to see if one NSDecimal is less than another. More...

BOOL	CPTDecimalLessThanOrEqualTo (NSDecimal leftOperand, NSDecimal rightOperand)
	Checks to see if one NSDecimal is less than or equal to another. More...

BOOL	CPTDecimalEquals (NSDecimal leftOperand, NSDecimal rightOperand)
	Checks to see if one NSDecimal is equal to another. More...

NSDecimal	CPTDecimalNaN (void)
	Creates and returns an NSDecimal struct that represents the value “not a number” (`NaN`). More...

NSDecimal	CPTDecimalMin (NSDecimal leftOperand, NSDecimal rightOperand)
	Determines the smaller of two NSDecimal values. More...

NSDecimal	CPTDecimalMax (NSDecimal leftOperand, NSDecimal rightOperand)
	Determines the larger of two NSDecimal values. More...

NSDecimal	CPTDecimalAbs (NSDecimal value)
	Determines the absolute value of an NSDecimal value. More...

NSRange	CPTExpandedRange (NSRange range, NSInteger expandBy)
	Expands an NSRange by the given amount. More...

CPTRGBAColor	CPTRGBAColorFromCGColor (__nonnull CGColorRef color)
	Extracts the color information from a CGColorRef and returns it as a CPTRGBAColor. More...

CPTCoordinate	CPTOrthogonalCoordinate (CPTCoordinate coord)
	Determines the CPTCoordinate that is orthogonal to the one provided. More...

CGPoint	CPTAlignPointToUserSpace (__nonnull CGContextRef context, CGPoint point)
	Aligns a point in user space to integral coordinates in device space. More...

CGSize	CPTAlignSizeToUserSpace (__nonnull CGContextRef context, CGSize size)
	Adjusts a size in user space to integral dimensions in device space. More...

CGRect	CPTAlignRectToUserSpace (__nonnull CGContextRef context, CGRect rect)
	Aligns a rectangle in user space to integral coordinates in device space. More...

CGPoint	CPTAlignIntegralPointToUserSpace (__nonnull CGContextRef context, CGPoint point)
	Aligns a point in user space between integral coordinates in device space. More...

CGRect	CPTAlignIntegralRectToUserSpace (__nonnull CGContextRef context, CGRect rect)
	Aligns a rectangle in user space between integral coordinates in device space. More...

CGRect	CPTAlignBorderedRectToUserSpace (__nonnull CGContextRef context, CGRect rect, CPTLineStyle *__nonnull borderLineStyle)

NSString *__nonnull	CPTStringFromPoint (CGPoint point)
	Creates a string representation of the given point. More...

NSString *__nonnull	CPTStringFromSize (CGSize size)
	Creates a string representation of the given size. More...

NSString *__nonnull	CPTStringFromRect (CGRect rect)
	Creates a string representation of the given rectangle. More...

NSString *__nonnull	CPTStringFromVector (CGVector vector)
	Creates a string representation of the given vector. More...

CGFloat	squareOfDistanceBetweenPoints (CGPoint point1, CGPoint point2)
	Computes the square of the distance between two points. More...

CPTEdgeInsets	CPTEdgeInsetsMake (CGFloat top, CGFloat left, CGFloat bottom, CGFloat right)
	Returns a CPTEdgeInsets struct with the given insets. More...

BOOL	CPTEdgeInsetsEqualToEdgeInsets (CPTEdgeInsets insets1, CPTEdgeInsets insets2)
	Compares two CPTEdgeInsets structstructs. More...

double	CPTLogModulus (double value)
	Computes the log modulus of the given value. More...

double	CPTInverseLogModulus (double value)
	Computes the inverse log modulus of the given value. More...

Macro Definition Documentation

◆ kCacheSize

#define kCacheSize

The size of the decimal number cache used by various utility functions.

Function Documentation

◆ CPTAlignBorderedRectToUserSpace()

CGRect CPTAlignBorderedRectToUserSpace	(	__nonnull CGContextRef	context,
		CGRect	rect,
		CPTLineStyle *__nonnull	borderLineStyle
	)

◆ CPTAlignIntegralPointToUserSpace()

CGPoint CPTAlignIntegralPointToUserSpace	(	__nonnull CGContextRef	context,
		CGPoint	point
	)

Aligns a point in user space between integral coordinates in device space.

Ensures that the x and y coordinates are between pixels in device space.

Parameters

context	The graphics context.
point	The point in user space.

Returns: The device aligned point in user space.

◆ CPTAlignIntegralRectToUserSpace()

CGRect CPTAlignIntegralRectToUserSpace	(	__nonnull CGContextRef	context,
		CGRect	rect
	)

Aligns a rectangle in user space between integral coordinates in device space.

Ensures that the x and y coordinates are between pixels in device space and the width and height are an integer number of device pixels.

Parameters

context	The graphics context.
rect	The rectangle in user space.

Returns: The device aligned rectangle in user space.

◆ CPTAlignPointToUserSpace()

CGPoint CPTAlignPointToUserSpace	(	__nonnull CGContextRef	context,
		CGPoint	point
	)

Aligns a point in user space to integral coordinates in device space.

Ensures that the x and y coordinates are at a pixel corner in device space. Drawn from Programming with Quartz by D. Gelphman, B. Laden.

Parameters

context	The graphics context.
point	The point in user space.

Returns: The device aligned point in user space.

◆ CPTAlignRectToUserSpace()

CGRect CPTAlignRectToUserSpace	(	__nonnull CGContextRef	context,
		CGRect	rect
	)

Aligns a rectangle in user space to integral coordinates in device space.

Ensures that the x and y coordinates are at a pixel corner in device space and the width and height are an integer number of device pixels. Drawn from Programming with Quartz by D. Gelphman, B. Laden.

Parameters

context	The graphics context.
rect	The rectangle in user space.

Returns: The device aligned rectangle in user space.

◆ CPTAlignSizeToUserSpace()

CGSize CPTAlignSizeToUserSpace	(	__nonnull CGContextRef	context,
		CGSize	size
	)

Adjusts a size in user space to integral dimensions in device space.

Ensures that the width and height are an integer number of device pixels. Drawn from Programming with Quartz by D. Gelphman, B. Laden.

Parameters

context	The graphics context.
size	The size in user space.

Returns: The device aligned size in user space.

◆ CPTDecimalAbs()

NSDecimal CPTDecimalAbs ( NSDecimal value )

Determines the absolute value of an NSDecimal value.

Parameters

value The input value for the calculation.

Returns: The absolute value of the argument.

◆ CPTDecimalAdd()

NSDecimal CPTDecimalAdd	(	NSDecimal	leftOperand,
		NSDecimal	rightOperand
	)

Adds two NSDecimal structs together.

Parameters

leftOperand	The left-hand side of the addition operation.
rightOperand	The right-hand side of the addition operation.

Returns: The result of the addition.

◆ CPTDecimalCGFloatValue()

CGFloat CPTDecimalCGFloatValue ( NSDecimal decimalNumber )

Converts an NSDecimal value to a CGFloat.

Parameters

decimalNumber The NSDecimal value.

Returns: The converted value.

◆ CPTDecimalCharValue()

int8_t CPTDecimalCharValue ( NSDecimal decimalNumber )

Converts an NSDecimal value to an 8-bit integer.

Parameters

decimalNumber The NSDecimal value.

Returns: The converted value.

◆ CPTDecimalDivide()

NSDecimal CPTDecimalDivide	(	NSDecimal	numerator,
		NSDecimal	denominator
	)

Divides one NSDecimal by another.

Parameters

numerator	The numerator of the multiplication operation.
denominator	The denominator of the multiplication operation.

Returns: The result of the division.

◆ CPTDecimalDoubleValue()

double CPTDecimalDoubleValue ( NSDecimal decimalNumber )

Converts an NSDecimal value to a double.

Parameters

decimalNumber The NSDecimal value.

Returns: The converted value.

◆ CPTDecimalEquals()

BOOL CPTDecimalEquals	(	NSDecimal	leftOperand,
		NSDecimal	rightOperand
	)

Checks to see if one NSDecimal is equal to another.

Parameters

leftOperand	The left side of the comparison.
rightOperand	The right side of the comparison.

Returns: YES if the left operand is equal to the right, NO otherwise.

◆ CPTDecimalFloatValue()

float CPTDecimalFloatValue ( NSDecimal decimalNumber )

Converts an NSDecimal value to a float.

Parameters

decimalNumber The NSDecimal value.

Returns: The converted value.

◆ CPTDecimalFromCGFloat()

NSDecimal CPTDecimalFromCGFloat ( CGFloat aCGFloat )

Converts a CGFloat value to an NSDecimal.

Parameters

aCGFloat The CGFloat value.

Returns: The converted value.

◆ CPTDecimalFromChar()

NSDecimal CPTDecimalFromChar ( int8_t anInt )

Converts an 8-bit integer value to an NSDecimal.

Parameters

anInt The integer value.

Returns: The converted value.

◆ CPTDecimalFromDouble()

NSDecimal CPTDecimalFromDouble ( double aDouble )

Converts a double value to an NSDecimal.

Parameters

aDouble The double value.

Returns: The converted value.

◆ CPTDecimalFromFloat()

NSDecimal CPTDecimalFromFloat ( float aFloat )

Converts a float value to an NSDecimal.

Parameters

aFloat The float value.

Returns: The converted value.

◆ CPTDecimalFromInt()

NSDecimal CPTDecimalFromInt ( int anInt )

Converts an int value to an NSDecimal.

Parameters

anInt The int value.

Returns: The converted value.

◆ CPTDecimalFromInteger()

NSDecimal CPTDecimalFromInteger ( NSInteger anInt )

Converts an NSInteger value to an NSDecimal.

Parameters

anInt The NSInteger value.

Returns: The converted value.

◆ CPTDecimalFromLong()

NSDecimal CPTDecimalFromLong ( int32_t anInt )

Converts a 32-bit integer value to an NSDecimal.

Parameters

anInt The integer value.

Returns: The converted value.

◆ CPTDecimalFromLongLong()

NSDecimal CPTDecimalFromLongLong ( int64_t anInt )

Converts a 64-bit integer value to an NSDecimal.

Parameters

anInt The integer value.

Returns: The converted value.

◆ CPTDecimalFromShort()

NSDecimal CPTDecimalFromShort ( int16_t anInt )

Converts a 16-bit integer value to an NSDecimal.

Parameters

anInt The integer value.

Returns: The converted value.

◆ CPTDecimalFromString()

NSDecimal CPTDecimalFromString ( NSString *__nonnull stringRepresentation )

Parses a string and extracts the numeric value as an NSDecimal.

Parameters

stringRepresentation The string value.

Returns: The numeric value extracted from the string.

◆ CPTDecimalFromUnsignedChar()

NSDecimal CPTDecimalFromUnsignedChar ( uint8_t anInt )

Converts an unsigned 8-bit integer value to an NSDecimal.

Parameters

anInt The unsigned integer value.

Returns: The converted value.

◆ CPTDecimalFromUnsignedInt()

NSDecimal CPTDecimalFromUnsignedInt ( unsigned int anInt )

Converts an unsigned int value to an NSDecimal.

Parameters

anInt The unsigned int value.

Returns: The converted value.

◆ CPTDecimalFromUnsignedInteger()

NSDecimal CPTDecimalFromUnsignedInteger ( NSUInteger anInt )

Converts an NSUInteger value to an NSDecimal.

Parameters

anInt The NSUInteger value.

Returns: The converted value.

◆ CPTDecimalFromUnsignedLong()

NSDecimal CPTDecimalFromUnsignedLong ( uint32_t anInt )

Converts an unsigned 32-bit integer value to an NSDecimal.

Parameters

anInt The unsigned integer value.

Returns: The converted value.

◆ CPTDecimalFromUnsignedLongLong()

NSDecimal CPTDecimalFromUnsignedLongLong ( uint64_t anInt )

Converts an unsigned 64-bit integer value to an NSDecimal.

Parameters

anInt The unsigned integer value.

Returns: The converted value.

◆ CPTDecimalFromUnsignedShort()

NSDecimal CPTDecimalFromUnsignedShort ( uint16_t anInt )

Converts an unsigned 16-bit integer value to an NSDecimal.

Parameters

anInt The unsigned integer value.

Returns: The converted value.

◆ CPTDecimalGreaterThan()

BOOL CPTDecimalGreaterThan	(	NSDecimal	leftOperand,
		NSDecimal	rightOperand
	)

Checks to see if one NSDecimal is greater than another.

Parameters

leftOperand	The left side of the comparison.
rightOperand	The right side of the comparison.

Returns: YES if the left operand is greater than the right, NO otherwise.

◆ CPTDecimalGreaterThanOrEqualTo()

BOOL CPTDecimalGreaterThanOrEqualTo	(	NSDecimal	leftOperand,
		NSDecimal	rightOperand
	)

Checks to see if one NSDecimal is greater than or equal to another.

Parameters

leftOperand	The left side of the comparison.
rightOperand	The right side of the comparison.

Returns: YES if the left operand is greater than or equal to the right, NO otherwise.

◆ CPTDecimalIntegerValue()

NSInteger CPTDecimalIntegerValue ( NSDecimal decimalNumber )

Converts an NSDecimal value to an NSInteger.

Parameters

decimalNumber The NSDecimal value.

Returns: The converted value.

◆ CPTDecimalIntValue()

int CPTDecimalIntValue ( NSDecimal decimalNumber )

Converts an NSDecimal value to an int.

Parameters

decimalNumber The NSDecimal value.

Returns: The converted value.

◆ CPTDecimalLessThan()

BOOL CPTDecimalLessThan	(	NSDecimal	leftOperand,
		NSDecimal	rightOperand
	)

Checks to see if one NSDecimal is less than another.

Parameters

leftOperand	The left side of the comparison.
rightOperand	The right side of the comparison.

Returns: YES if the left operand is less than the right, NO otherwise.

◆ CPTDecimalLessThanOrEqualTo()

BOOL CPTDecimalLessThanOrEqualTo	(	NSDecimal	leftOperand,
		NSDecimal	rightOperand
	)

Checks to see if one NSDecimal is less than or equal to another.

Parameters

leftOperand	The left side of the comparison.
rightOperand	The right side of the comparison.

Returns: YES if the left operand is less than or equal to the right, NO otherwise.

◆ CPTDecimalLongLongValue()

int64_t CPTDecimalLongLongValue ( NSDecimal decimalNumber )

Converts an NSDecimal value to a 64-bit integer.

Parameters

decimalNumber The NSDecimal value.

Returns: The converted value.

◆ CPTDecimalLongValue()

int32_t CPTDecimalLongValue ( NSDecimal decimalNumber )

Converts an NSDecimal value to a 32-bit integer.

Parameters

decimalNumber The NSDecimal value.

Returns: The converted value.

◆ CPTDecimalMax()

NSDecimal CPTDecimalMax	(	NSDecimal	leftOperand,
		NSDecimal	rightOperand
	)

Determines the larger of two NSDecimal values.

Parameters

leftOperand	The first value to compare.
rightOperand	The second value to compare.

Returns: The larger of the two arguments.

◆ CPTDecimalMin()

NSDecimal CPTDecimalMin	(	NSDecimal	leftOperand,
		NSDecimal	rightOperand
	)

Determines the smaller of two NSDecimal values.

Parameters

leftOperand	The first value to compare.
rightOperand	The second value to compare.

Returns: The smaller of the two arguments.

◆ CPTDecimalMultiply()

NSDecimal CPTDecimalMultiply	(	NSDecimal	leftOperand,
		NSDecimal	rightOperand
	)

Multiplies two NSDecimal structs together.

Parameters

leftOperand	The left-hand side of the multiplication operation.
rightOperand	The right-hand side of the multiplication operation.

Returns: The result of the multiplication.

◆ CPTDecimalNaN()

NSDecimal CPTDecimalNaN ( void )

Creates and returns an NSDecimal struct that represents the value “not a number” (NaN).

Calling NSDecimalIsNotANumber() on this value will return YES.

Returns: An NSDecimal struct that represents the value “not a number” (NaN).

◆ CPTDecimalShortValue()

int16_t CPTDecimalShortValue ( NSDecimal decimalNumber )

Converts an NSDecimal value to a 16-bit integer.

Parameters

decimalNumber The NSDecimal value.

Returns: The converted value.

◆ CPTDecimalStringValue()

NSString* __nonnull CPTDecimalStringValue ( NSDecimal decimalNumber )

Converts an NSDecimal value to an NSString.

Parameters

decimalNumber The NSDecimal value.

Returns: The converted value.

◆ CPTDecimalSubtract()

NSDecimal CPTDecimalSubtract	(	NSDecimal	leftOperand,
		NSDecimal	rightOperand
	)

Subtracts one NSDecimal from another.

Parameters

leftOperand	The left-hand side of the subtraction operation.
rightOperand	The right-hand side of the subtraction operation.

Returns: The result of the subtraction.

◆ CPTDecimalUnsignedCharValue()

uint8_t CPTDecimalUnsignedCharValue ( NSDecimal decimalNumber )

Converts an NSDecimal value to an unsigned 8-bit integer.

Parameters

decimalNumber The NSDecimal value.

Returns: The converted value.

◆ CPTDecimalUnsignedIntegerValue()

NSUInteger CPTDecimalUnsignedIntegerValue ( NSDecimal decimalNumber )

Converts an NSDecimal value to an NSUInteger.

Parameters

decimalNumber The NSDecimal value.

Returns: The converted value.

◆ CPTDecimalUnsignedIntValue()

unsigned int CPTDecimalUnsignedIntValue ( NSDecimal decimalNumber )

Converts an NSDecimal value to an unsigned int.

Parameters

decimalNumber The NSDecimal value.

Returns: The converted value.

◆ CPTDecimalUnsignedLongLongValue()

uint64_t CPTDecimalUnsignedLongLongValue ( NSDecimal decimalNumber )

Converts an NSDecimal value to an unsigned 64-bit integer.

Parameters

decimalNumber The NSDecimal value.

Returns: The converted value.

◆ CPTDecimalUnsignedLongValue()

uint32_t CPTDecimalUnsignedLongValue ( NSDecimal decimalNumber )

Converts an NSDecimal value to an unsigned 32-bit integer.

Parameters

decimalNumber The NSDecimal value.

Returns: The converted value.

◆ CPTDecimalUnsignedShortValue()

uint16_t CPTDecimalUnsignedShortValue ( NSDecimal decimalNumber )

Converts an NSDecimal value to an unsigned 16-bit integer.

Parameters

decimalNumber The NSDecimal value.

Returns: The converted value.

◆ CPTEdgeInsetsEqualToEdgeInsets()

BOOL CPTEdgeInsetsEqualToEdgeInsets	(	CPTEdgeInsets	insets1,
		CPTEdgeInsets	insets2
	)

Compares two CPTEdgeInsets structstructs.

Parameters

insets1	The first inset.
insets2	The second inset.

Returns: YES if the two CPTEdgeInsets structs are equal.

◆ CPTEdgeInsetsMake()

CPTEdgeInsets CPTEdgeInsetsMake	(	CGFloat	top,
		CGFloat	left,
		CGFloat	bottom,
		CGFloat	right
	)

Returns a CPTEdgeInsets struct with the given insets.

Parameters

top	The top inset.
left	The left inset.
bottom	The bottom inset.
right	The right inset.

Returns: A CPTEdgeInsets struct with the given insets.

◆ CPTExpandedRange()

NSRange CPTExpandedRange	(	NSRange	range,
		NSInteger	expandBy
	)

Expands an NSRange by the given amount.

The location of the resulting NSRange will be non-negative.

Parameters

range	The NSRange to expand.
expandBy	The amount the expand the range by.

Returns: The expanded range.

◆ CPTInverseLogModulus()

double CPTInverseLogModulus ( double value )

Computes the inverse log modulus of the given value.

Parameters

value The value.

Returns: The inverse log modulus of the given value.

◆ CPTLogModulus()

double CPTLogModulus ( double value )

Computes the log modulus of the given value.

Parameters

value The value.

Returns: The log modulus of the given value.

See also: A log transformation of positive and negative values for more information about the log-modulus transformation.

◆ CPTOrthogonalCoordinate()

CPTCoordinate CPTOrthogonalCoordinate ( CPTCoordinate coord )

Determines the CPTCoordinate that is orthogonal to the one provided.

The current implementation is two-dimensional—X is orthogonal to Y and Y is orthogonal to X.

Parameters

coord The CPTCoordinate.

Returns: The orthogonal CPTCoordinate.

◆ CPTRGBAColorFromCGColor()

CPTRGBAColor CPTRGBAColorFromCGColor ( __nonnull CGColorRef color )

Extracts the color information from a CGColorRef and returns it as a CPTRGBAColor.

Supports RGBA and grayscale color spaces.

Parameters

color The color.

Returns: The RGBA components of the color.

◆ CPTStringFromPoint()

NSString* __nonnull CPTStringFromPoint ( CGPoint point )

Creates a string representation of the given point.

Parameters

point The point.

Returns: A string with the format {x, y}.

◆ CPTStringFromRect()

NSString* __nonnull CPTStringFromRect ( CGRect rect )

Creates a string representation of the given rectangle.

Parameters

rect	The rectangle.

Returns: A string with the format {{x, y}, {width, height}}.

◆ CPTStringFromSize()

NSString* __nonnull CPTStringFromSize ( CGSize size )

Creates a string representation of the given size.

Parameters

size The size.

Returns: A string with the format {width, height}.

◆ CPTStringFromVector()

NSString* __nonnull CPTStringFromVector ( CGVector vector )

Creates a string representation of the given vector.

Parameters

vector The vector.

Returns: A string with the format {dx, dy}.

◆ squareOfDistanceBetweenPoints()

CGFloat squareOfDistanceBetweenPoints	(	CGPoint	point1,
		CGPoint	point2
	)

Computes the square of the distance between two points.

Parameters

point1	The first point.
point2	The second point.

Returns: The square of the distance between the two points.

Macros

Functions

Macro Definition Documentation

◆ kCacheSize

Function Documentation

◆ CPTAlignBorderedRectToUserSpace()

◆ CPTAlignIntegralPointToUserSpace()

◆ CPTAlignIntegralRectToUserSpace()

◆ CPTAlignPointToUserSpace()

◆ CPTAlignRectToUserSpace()

◆ CPTAlignSizeToUserSpace()

◆ CPTDecimalAbs()

◆ CPTDecimalAdd()

◆ CPTDecimalCGFloatValue()

◆ CPTDecimalCharValue()

◆ CPTDecimalDivide()

◆ CPTDecimalDoubleValue()

◆ CPTDecimalEquals()

◆ CPTDecimalFloatValue()

◆ CPTDecimalFromCGFloat()

◆ CPTDecimalFromChar()

◆ CPTDecimalFromDouble()

◆ CPTDecimalFromFloat()

◆ CPTDecimalFromInt()

◆ CPTDecimalFromInteger()

◆ CPTDecimalFromLong()

◆ CPTDecimalFromLongLong()

◆ CPTDecimalFromShort()

◆ CPTDecimalFromString()

◆ CPTDecimalFromUnsignedChar()

◆ CPTDecimalFromUnsignedInt()

◆ CPTDecimalFromUnsignedInteger()

◆ CPTDecimalFromUnsignedLong()

◆ CPTDecimalFromUnsignedLongLong()

◆ CPTDecimalFromUnsignedShort()

◆ CPTDecimalGreaterThan()

◆ CPTDecimalGreaterThanOrEqualTo()

◆ CPTDecimalIntegerValue()

◆ CPTDecimalIntValue()

◆ CPTDecimalLessThan()

◆ CPTDecimalLessThanOrEqualTo()

◆ CPTDecimalLongLongValue()

◆ CPTDecimalLongValue()

◆ CPTDecimalMax()

◆ CPTDecimalMin()

◆ CPTDecimalMultiply()

◆ CPTDecimalNaN()

◆ CPTDecimalShortValue()

◆ CPTDecimalStringValue()

◆ CPTDecimalSubtract()

◆ CPTDecimalUnsignedCharValue()

◆ CPTDecimalUnsignedIntegerValue()

◆ CPTDecimalUnsignedIntValue()

◆ CPTDecimalUnsignedLongLongValue()

◆ CPTDecimalUnsignedLongValue()

◆ CPTDecimalUnsignedShortValue()

◆ CPTEdgeInsetsEqualToEdgeInsets()

◆ CPTEdgeInsetsMake()

◆ CPTExpandedRange()

◆ CPTInverseLogModulus()

◆ CPTLogModulus()

◆ CPTOrthogonalCoordinate()

◆ CPTRGBAColorFromCGColor()

◆ CPTStringFromPoint()

◆ CPTStringFromRect()

◆ CPTStringFromSize()

◆ CPTStringFromVector()

◆ squareOfDistanceBetweenPoints()