mirror of
https://github.com/sigmasternchen/php-doc-en
synced 2025-03-15 16:38:54 +00:00
Added explaination of how beziersmooth works.
git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@335724 c90b9560-bf6c-de11-be94-00142212c4b1
This commit is contained in:
Dan Ackroyd
parent
b6bd53672f
commit
3dd3c7bfb8
2 changed files with 130 additions and 3 deletions
|
|
@ -13,7 +13,7 @@
|
|||
<methodparam><type>float</type><parameter>x</parameter></methodparam>
|
||||
<methodparam><type>float</type><parameter>y</parameter></methodparam>
|
||||
</methodsynopsis>
|
||||
&warn.undocumented.func;
|
||||
|
||||
<para>
|
||||
Draws a quadratic Bezier curve (using absolute coordinates) from the
|
||||
current point to (x,y). The control point is assumed to be the reflection
|
||||
|
|
@ -26,8 +26,12 @@
|
|||
coincident with the current point.). At the end of the command, the new
|
||||
current point becomes the final (x,y) coordinate pair used in the polybezier.
|
||||
</para>
|
||||
|
||||
<para>
|
||||
This function cannot be used to continue a cubic Bezier curve smoothly. It can only continue from a quadratic curve smoothly.
|
||||
</para>
|
||||
</refsect1>
|
||||
|
||||
|
||||
<refsect1 role="parameters">
|
||||
&reftitle.parameters;
|
||||
<para>
|
||||
|
|
@ -50,7 +54,7 @@
|
|||
</varlistentry>
|
||||
</variablelist>
|
||||
</para>
|
||||
|
||||
|
||||
</refsect1>
|
||||
<refsect1 role="returnvalues">
|
||||
&reftitle.returnvalues;
|
||||
|
|
@ -59,6 +63,65 @@
|
|||
</para>
|
||||
</refsect1>
|
||||
|
||||
<refsect1 role="examples">
|
||||
&reftitle.examples;
|
||||
<para>
|
||||
<example>
|
||||
<title>
|
||||
<methodname>ImagickDraw::pathCurveToQuadraticBezierSmoothAbsolute</methodname>
|
||||
</title>
|
||||
<programlisting role="php">
|
||||
<![CDATA[
|
||||
<?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();
|
||||
?>
|
||||
]]>
|
||||
</programlisting>
|
||||
</example>
|
||||
</para>
|
||||
</refsect1>
|
||||
</refentry>
|
||||
|
||||
<!-- Keep this comment at the end of the file
|
||||
|
|
|
|||
|
|
@ -27,6 +27,10 @@
|
|||
current point becomes the final (x, y) coordinate pair used in the
|
||||
polybezier.
|
||||
</para>
|
||||
|
||||
<para>
|
||||
This function cannot be used to continue a cubic Bezier curve smoothly. It can only continue from a quadratic curve smoothly.
|
||||
</para>
|
||||
</refsect1>
|
||||
|
||||
<refsect1 role="parameters">
|
||||
|
|
@ -60,6 +64,66 @@
|
|||
</para>
|
||||
</refsect1>
|
||||
|
||||
<refsect1 role="examples">
|
||||
&reftitle.examples;
|
||||
<para>
|
||||
<example>
|
||||
<title>
|
||||
<methodname>ImagickDraw::pathCurveToQuadraticBezierSmoothRelative</methodname>
|
||||
</title>
|
||||
<programlisting role="php">
|
||||
<![CDATA[
|
||||
<?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();
|
||||
?>
|
||||
]]>
|
||||
</programlisting>
|
||||
</example>
|
||||
</para>
|
||||
</refsect1>
|
||||
|
||||
</refentry>
|
||||
|
||||
<!-- Keep this comment at the end of the file
|
||||
|
|
|
|||
Loading…
Reference in a new issue