CGContextCanvas.j File Reference

Go to the source code of this file.

Functions
function	CGBitmapGraphicsContextCreate ()
function	CGContextDrawImage (aContext, aRect, anImage)
function	CGContextDrawLinearGradient (aContext, aGradient, aStartPoint, anEndPoint, options)
function	CGContextDrawRadialGradient (aContext, aGradient, aStartCenter, aStartRadius, anEndCenter, anEndRadius, options)
function	eigen (anAffineTransform)
	if (CPFeatureIsCompatible(CPJavaScriptCanvasTransformFeature))
function	to_string (aColor)

Variables
var	CANVAS_COMPOSITE_TABLE
var	CANVAS_LINECAP_TABLE = [ "butt", "round", "square" ]
var	CANVAS_LINEJOIN_TABLE = [ "miter", "round", "bevel" ]
	else
var	hasPath
var	rotate_scale

Function Documentation

CGBitmapGraphicsContextCreate()

function CGBitmapGraphicsContextCreate

(

)

Definition at line 623 of file CGContextCanvas.j.

CGContextDrawImage()

function CGContextDrawImage	(	aContext	,
		aRect	,
		anImage
	)

Definition at line 584 of file CGContextCanvas.j.

CGContextDrawLinearGradient()

function CGContextDrawLinearGradient	(	aContext	,
		aGradient	,
		aStartPoint	,
		anEndPoint	,
		options
	)

Definition at line 595 of file CGContextCanvas.j.

CGContextDrawRadialGradient()

function CGContextDrawRadialGradient	(	aContext	,
		aGradient	,
		aStartCenter	,
		aStartRadius	,
		anEndCenter	,
		anEndRadius	,
		options
	)

Definition at line 609 of file CGContextCanvas.j.

eigen()

function eigen

(

anAffineTransform

)

Definition at line 498 of file CGContextCanvas.j.

if()

if

(

CPFeatureIsCompatible(CPJavaScriptCanvasTransformFeature)

)

Definition at line 504 of file CGContextCanvas.j.

to_string()

function to_string

(

aColor

)

Definition at line 590 of file CGContextCanvas.j.

Variable Documentation

CANVAS_COMPOSITE_TABLE

var CANVAS_COMPOSITE_TABLE

Initial value:

= [ "source-over", "source-over", "source-over", "source-over", "darker",
                                "lighter", "source-over", "source-over", "source-over", "source-over",
                                "source-over", "source-over", "source-over", "source-over", "source-over",
                                "source-over", "source-over",
                                "copy", "source-in", "source-out", "source-atop",
                                "destination-over", "destination-in", "destination-out", "destination-atop",
                                "xor", "source-over", "source-over" ]

Definition at line 25 of file CGContextCanvas.j.

CANVAS_LINECAP_TABLE

var CANVAS_LINECAP_TABLE = [ "butt", "round", "square" ]

Definition at line 23 of file CGContextCanvas.j.

CANVAS_LINEJOIN_TABLE

var CANVAS_LINEJOIN_TABLE = [ "miter", "round", "bevel" ]

Definition at line 24 of file CGContextCanvas.j.

else

else

Definition at line 514 of file CGContextCanvas.j.

hasPath

var hasPath

Definition at line 48 of file CGContextCanvas.j.

rotate_scale

var rotate_scale

Initial value:

= function(a, b, c, d)
{
    var sign = (a * d < 0.0 || b * c > 0.0) ? -1.0 : 1.0,
        a1 = (ATAN2(sign * b, sign * a) + ATAN2(-c, d)) / 2.0,
        cos = COS(a1),
        sin = SIN(a1);

    if (cos === 0)
    {
        sx = b / sin;
        sy = -c / sin;
    }
    else if (sin === 0)
    {
        sx = a / cos;
        sy = d / cos;
    }
    else
    {
        abs_cos = ABS(cos);
        abs_sin = ABS(sin);

        sx = (abs_cos * a / cos + abs_sin * b / sin) / (abs_cos + abs_sin);
        sy = (abs_cos * d / cos + abs_sin * -c / sin) / (abs_cos + abs_sin);
    }
}

Definition at line 471 of file CGContextCanvas.j.