From 17be65cfea56a53dc3a9cb617895adf5300db099 Mon Sep 17 00:00:00 2001
From: scuri <scuri>
Date: Tue, 1 Jun 2010 22:31:45 +0000
Subject: *** empty log message ***

---
 html/en/func/polygon.html | 31 ++++++++++++++++++++-----------
 1 file changed, 20 insertions(+), 11 deletions(-)

(limited to 'html/en/func/polygon.html')

diff --git a/html/en/func/polygon.html b/html/en/func/polygon.html
index 3a0b9c0..c2acb9a 100644
--- a/html/en/func/polygon.html
+++ b/html/en/func/polygon.html
@@ -93,42 +93,43 @@ canvas:PathSet(action: number) [in Lua]</pre>
   <p>Configures the action between sequences of <strong>cdCanvasVertex</strong>.
 	<strong>action</strong> can be:</p>
 <ul>
-	<li>&nbsp;CD_PATH_NEW - creates a new empty path. Useful if more than one 
+	<li>&nbsp;<strong>CD_PATH_NEW</strong> - creates a new empty path. Useful if more than one 
 	path is configured. <strong>cdCanvasBegin</strong>(CD_PATH) already creates 
 	a new path.</li>
-	<li>CD_PATH_MOVETO - moves the current position to the given coordinates. 
+	<li><strong>CD_PATH_MOVETO</strong> - moves the current position to the given coordinates. 
 	Must be followed by 1 call to <strong>cdCanvasVertex</strong>, <strong>
 	cdfCanvasVertex</strong>, or <strong>wdCanvasVertex</strong>.</li>
-	<li>CD_PATH_LINETO - adds a line to the path from the current position to 
+	<li><strong>CD_PATH_LINETO</strong> - adds a line to the path from the current position to 
 	the given coordinates. The current position is updated to the&nbsp; given 
 	coordinates. If there is no current position, nothing is connected and only 
 	the current position is updated. Must be followed by 1 call to <strong>
 	cdCanvasVertex</strong>, <strong>cdfCanvasVertex</strong>, or <strong>
 	wdCanvasVertex</strong>.</li>
-	<li>CD_PATH_ARC - adds an arc to the path. If there is a current position 
+	<li><strong>CD_PATH_ARC</strong> - adds an arc to the path. If there is a current position 
 	adds also a line from the current position to the start of the arc. The end 
 	of the arc becomes the current position. Must be followed by 3 calls to
 	<strong>cdCanvasVertex</strong>, <strong>cdfCanvasVertex</strong>, or
 	<strong>wdCanvasVertex</strong>. One for the center of the arc (xc,yc), one 
 	for the bounding rectangle size (w,h), and one for the start and end angles 
-	(angle1,angle2). Angles are in degrees. When using integer coordinates 
+	(angle1,angle2). Angles are in degrees and oriented counter-clockwise, but 
+	angle2 can be smaller than angle1 to describe a clockwise arc. When using integer coordinates 
 	angles must be multiplied by 1000.</li>
-	<li>CD_PATH_CURVETO - adds a bezier curve to the path. If there is no 
+	<li><strong>CD_PATH_CURVETO</strong> - adds a bezier curve to the path. If there is no 
 	current position, the first point will be used twice. The end point becomes 
 	the current position. Must be followed by 3 calls to <strong>cdCanvasVertex</strong>,
 	<strong>cdfCanvasVertex</strong>, or <strong>wdCanvasVertex</strong>. Must 
 	be first control point (x1,y1) + second control point (x2,y2) + end point 
 	(x3,y3).</li>
-	<li>CD_PATH_CLOSE - adds a line to the path that connects the last point 
+	<li><strong>CD_PATH_CLOSE</strong> - adds a line to the path that connects the last point 
 	with the first point of the path, closing it.</li>
-	<li>CD_PATH_FILL - fills the path with the current fill attributes, 
+	<li><strong>CD_PATH_FILL</strong> - fills the path with the current fill attributes, 
 	then the path is discarded.</li>
-	<li>CD_PATH_STROKE - strokes the path with the current line attributes, then the 
+	<li><strong>CD_PATH_STROKE</strong> - strokes the path with the current line attributes, then the 
 	path is discarded.</li>
-	<li>CD_PATH_FILLSTROKE - fills the path with the current fill 
+	<li><strong>CD_PATH_FILLSTROKE</strong> - fills the path with the current fill 
 	attributes, strokes the path with the current line attributes, then the path 
 	is discarded.</li>
-	<li>CD_PATH_CLIP - use the path as a clipping area to be 
+	<li><strong>CD_PATH_CLIP</strong> - use the path as a clipping area to be 
 	intersected with the current clipping area, then the path is discarded.</li>
 	</ul>
 	
@@ -139,6 +140,14 @@ cdCanvasPathSet(canvas, CD_PATH_MOVETO);
 cdCanvasVertex(canvas, x1, y1);
 cdCanvasPathSet(canvas, CD_PATH_LINETO);
 cdCanvasVertex(canvas, x2, y2);
+cdCanvasPathSet(canvas, CD_PATH_CURVETO);
+cdCanvasVertex(canvas, x3, y3);  /* control point for start point */ 
+cdCanvasVertex(canvas, x4, y4);  /* control point for end point */
+cdCanvasVertex(canvas, x5, y5);  /* end point */
+cdCanvasPathSet(canvas, CD_PATH_ARC);
+cdCanvasVertex(canvas, x6, y6);  /* center */
+cdCanvasVertex(canvas, x7, y7);  /* width, height */
+cdCanvasVertex(canvas, x8, y8);  /* start angle, end angle (degrees / 1000) */
 cdCanvasPathSet(canvas, CD_PATH_STROKE);
 cdCanvasEnd(canvas);</pre>
 	
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