OOPointMaths.h File Reference

import "OOFunctionAttributes.h"
#include <tgmath.h>

Include dependency graph for OOPointMaths.h:

This graph shows which files directly or indirectly include this file:

Go to the source code of this file.

Functions
OOINLINE NSPoint	PtAdd (NSPoint a, NSPoint b)
OOINLINE NSPoint	PtSub (NSPoint a, NSPoint b)
OOINLINE NSPoint	PtScale (NSPoint p, CGFloat scale)
OOINLINE CGFloat	PtDot (NSPoint a, NSPoint b)
OOINLINE CGFloat	PtCross (NSPoint a, NSPoint b)
OOINLINE NSPoint	PtRotCW (NSPoint p)
OOINLINE NSPoint	PtRotACW (NSPoint p)
OOINLINE NSPoint	PtNormal (NSPoint p)

Function Documentation

PtAdd()

OOINLINE NSPoint PtAdd	(	NSPoint	a,
		NSPoint	b )

Definition at line 6 of file OOPointMaths.h.

{
    return NSMakePoint(a.x + b.x, a.y + b.y);
}

References OOINLINE.

Referenced by BuildOutlineContour().

Here is the caller graph for this function:

PtCross()

OOINLINE CGFloat PtCross	(	NSPoint	a,
		NSPoint	b )

Definition at line 26 of file OOPointMaths.h.

{
    return a.x * b.y - b.x * a.y;
}

References OOINLINE.

Referenced by BuildOutlineContour().

Here is the caller graph for this function:

PtDot()

OOINLINE CGFloat PtDot	(	NSPoint	a,
		NSPoint	b )

Definition at line 21 of file OOPointMaths.h.

{
    return a.x * b.x + a.y * b.y;
}

References OOINLINE.

Referenced by BuildOutlineContour(), and PtNormal().

Here is the caller graph for this function:

PtNormal()

OOINLINE NSPoint PtNormal

(

NSPoint

p

)

Definition at line 43 of file OOPointMaths.h.

{
    return PtScale(p, 1.0 / sqrt(PtDot(p, p)));
}

References OOINLINE, PtDot(), and PtScale().

Referenced by BuildOutlineContour().

Here is the call graph for this function:

Here is the caller graph for this function:

PtRotACW()

OOINLINE NSPoint PtRotACW

(

NSPoint

p

)

Definition at line 37 of file OOPointMaths.h.

{
    // Rotate 90 degrees anticlockwise.
    return NSMakePoint(-p.y, p.x);
}

References OOINLINE.

Referenced by BuildOutlineContour().

Here is the caller graph for this function:

PtRotCW()

OOINLINE NSPoint PtRotCW

(

NSPoint

p

)

Definition at line 31 of file OOPointMaths.h.

{
    // Rotate 90 degrees clockwise.
    return NSMakePoint(p.y, -p.x);
}

References OOINLINE.

PtScale()

OOINLINE NSPoint PtScale	(	NSPoint	p,
		CGFloat	scale )

Definition at line 16 of file OOPointMaths.h.

{
    return NSMakePoint(p.x * scale, p.y * scale);
}

References OOINLINE.

Referenced by BuildOutlineContour(), and PtNormal().

Here is the caller graph for this function:

PtSub()

OOINLINE NSPoint PtSub	(	NSPoint	a,
		NSPoint	b )

Definition at line 11 of file OOPointMaths.h.

{
    return NSMakePoint(a.x - b.x, a.y - b.y);
}

References OOINLINE.

Referenced by BuildOutlineContour().

Here is the caller graph for this function: