01-30-2011
In my experience there was a definite trend over the last 5-10 years of doing the documentation and similar chores after the design and development. In these days of "agile programming" developers are more encouraged to sign up for small bits of work that should be relatively easy to do with minimal documentation and "red tape", to try and keep their "velocity" high. Often developers produce prototypes for the work, which is usually more useful, correct, and as quick to implement as some of the more antiquated design techniques. However, once the work is done, documentation should be provided. The type of documentation usually depends upon the product that is being developed, however in my career I can honestly say I have never come across flowcharts being used in earnest. I hope this helps...
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LEARN ABOUT PHP
imagickdraw.pathcurvetoquadraticbeziersmoothrelative
IMAGICKDRAW.PATHCURVETOQUADRATICBEZIERSMOOTHRELATIVE(3) 1 IMAGICKDRAW.PATHCURVETOQUADRATICBEZIERSMOOTHRELATIVE(3)
ImagickDraw::pathCurveToQuadraticBezierSmoothRelative - Draws a quadratic Bezier curve
SYNOPSIS
bool ImagickDraw::pathCurveToQuadraticBezierSmoothRelative (float $x, float $y)
DESCRIPTION
Warning
This function is currently not documented; only its argument list is available.
Draws a quadratic Bezier curve (using relative coordinates) from the current point to (x, y). The control point is assumed to be the
reflection of the control point on the previous command relative to the current point. (If there is no previous command or if the previous
command was not a DrawPathCurveToQuadraticBezierAbsolute, DrawPathCurveToQuadraticBezierRelative, DrawPathCurveToQuadraticBezierSmoothAbso-
lut or DrawPathCurveToQuadraticBezierSmoothRelative, assume the control point is coincident with the current point). At the end of the com-
mand, the new current point becomes the final (x, y) coordinate pair used in the polybezier.
This function cannot be used to continue a cubic Bezier curve smoothly. It can only continue from a quadratic curve smoothly.
PARAMETERS
o $x
- ending x coordinate
o $y
- ending y coordinate
RETURN VALUES
No value is returned.
EXAMPLES
Example #1
ImagickDraw::pathCurveToQuadraticBezierSmoothRelative
<?php
$draw = new ImagickDraw();
$draw->setStrokeOpacity(1);
$draw->setStrokeColor("black");
$draw->setFillColor("blue");
$draw->setStrokeWidth(2);
$draw->setFontSize(72);
$draw->pathStart();
$draw->pathMoveToAbsolute(50,250);
// This specifies a quadratic bezier curve with the current position as the start
// point, the control point is the first two params, and the end point is the last two params.
$draw->pathCurveToQuadraticBezierAbsolute(
150,50,
250,250
);
// This specifies a quadratic bezier curve with the current position as the start
// point, the control point is mirrored from the previous curves control point
// and the end point is defined by the x, y values.
$draw->pathCurveToQuadraticBezierSmoothAbsolute(
450,250
);
// This specifies a quadratic bezier curve with the current position as the start
// point, the control point is mirrored from the previous curves control point
// and the end point is defined relative from the current position by the x, y values.
$draw->pathCurveToQuadraticBezierSmoothRelative(
200,-100
);
$draw->pathFinish();
$imagick = new Imagick();
$imagick->newImage(700, 500, $backgroundColor);
$imagick->setImageFormat("png");
$imagick->drawImage($draw);
header("Content-Type: image/png");
echo $imagick->getImageBlob();
?>
PHP Documentation Group IMAGICKDRAW.PATHCURVETOQUADRATICBEZIERSMOOTHRELATIVE(3)