[Pixelle-commit] SF.net SVN: pixelle: [89] trunk/pixelle/htdocs

[<dbr...@us...>]

Revision: 89
          http://pixelle.svn.sourceforge.net/pixelle/?rev=89&view=rev
Author:   dbrosius
Date:     2008-06-26 21:23:14 -0700 (Thu, 26 Jun 2008)

Log Message:
-----------
more docs

Modified Paths:
--------------
    trunk/pixelle/htdocs/index.html

Added Paths:
-----------
    trunk/pixelle/htdocs/algodlg.png

Added: trunk/pixelle/htdocs/algodlg.png
===================================================================
(Binary files differ)


Property changes on: trunk/pixelle/htdocs/algodlg.png
___________________________________________________________________
Name: svn:mime-type
   + application/octet-stream

Modified: trunk/pixelle/htdocs/index.html
===================================================================
--- trunk/pixelle/htdocs/index.html	2008-06-27 04:07:38 UTC (rev 88)
+++ trunk/pixelle/htdocs/index.html	2008-06-27 04:23:14 UTC (rev 89)
@@ -27,9 +27,36 @@
 			tedious to edit a bitmap if you have specific ways you want to change it. This tools works
 			differently. It allows you to apply arbitrary expressions to the red, green, blue, transparent
 			and selection pieces of a bitmap. Each expression can take as input the value of any other
-			value.
+			value.</p>
+
+			<p>At the heart of this program is the transform dialog, shown here:</p>
+			<img src="algodlg.png"/>
+			<p>It shows five input fields for specifying how to transform
+			the red, green, blue and transparent parts of the bitmap, as well as the selection
+			attribute of each pixel. The default values for these algorithms is the value that will 
+			produce an exact copy of the source image. In this way you can just change one field, or
+			all fields, and get what you expect. Each algorithm may include the following items.</p>
+			<ul>
+				<li>p[x,y].r, p[x,y].g, p[x,y].b, p[x,y].t, p[x,y].s<br/>
+				The pixel value for the red, green, blue, transparency and selection at a 
+				particular location.</li>
+				<li>x<br/>
+				The current x coordinate of the pixel location from left to right.</li>
+				<li>y<br/>
+				The current y coordinate of the pixel location from top to bottom.</li>
+				<li>width<br/>
+				The width in pixels of the image.</li>				
+				<li>height<br/>
+				The height in pixels of the image.</li>
+				<li>abs(e)<br/>
+				The absolute value of an expression.
+				<li>min(e, f)<br/>
+				The minimum value of two expressions.
+				<li>min(e, f)<br/>
+				The maximum value of two expressions.
+			</ul>				
 			
-			<p><pre>As of June 25, simple expressions should work. Some examples:
+			<p><pre>As of June 27, simple expressions should work. Some examples:
 
 			p[x,y].r = <b>(x + y) == 100 ? 255 : p[x,y].r</b>
 
@@ -61,8 +88,9 @@
 
 			Ano
 
-			<p>Still to be done is expressions with inequalities, expressions with && and || clauses,
-			and a bunch of other fixes.</p>
+			<p>Still to be done is expressions with inequalities, recognition of more image types, 
+			saving output images, more options handling, a bunch of bugs, and a bunch of stuff I have
+			yet to think about.</p>
 		</div>
 	</body>
 </html>


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