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Brushes can include directional variations. (Implements RFE #1522694)

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New brush: Angle Lines (directional)
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William Kendrick 2006-09-04 09:58:57 +00:00
parent 609a8d5104
commit 1f5665437e
6 changed files with 350 additions and 215 deletions
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docs/html/EXTENDING.html
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@ -219,8 +219,8 @@ effect.</p>
<h4>Animated Brushes</h4>
<blockquote>
<p>As of Tux&nbsp;Paint version 0.9.16, you may now create animated
brushes. As the brush is drawn, each frame of the animation is
displayed.</p>
brushes. As the brush is used, each frame of the animation is
drawn.</p>
<p>Lay each frame out across a wide PNG image. For example,
if your brush is 30x30 and you have 5 frames, the image should
@ -230,6 +230,35 @@ effect.</p>
to the brush's data file, where <i>N</i> is the number of frames
in the brush.</p>
</blockquote>
<h4>Directional Brushes</h4>
<blockquote>
<p>As of Tux&nbsp;Paint version 0.9.16, you may now create directional
brushes. As the brush is used, different shapes are drawn, depending
on the direction the brush is going.</p>
<p>The directional shapes are divided into a 3x3 square in a PNG image.
For example, if your brush is 30x30, the image should be 90x90, and
each of the direction's shapes placed in a 3x3 grid. The center
region is used for no motion. The top right is used for motion that's
both up, and to the right. And so on.</p>
<p>Add a line containing the line "<code><b>directional</b></code>"
to the brush's data file.</p>
</blockquote>
<h4>Animated Directional Brushes</h4>
<blockquote>
<p>You may mix both animated and directional features into one
brush. Use both options ("<code><b>frames=<i>N</i></b></code>" and
"<code><b>directional</b></code>"), in separate lines in the
brush's "<code>".dat</code>" file.</p>
<p>Lay the brush out so that each 3x3 set of directional shapes are
laid out across a wide PNG image. For example, if the brush is 30x30
and there are 5 frames, it would be 450x90. (The leftmost 150x90 pixels
of the image represent the 9 direction shapes for the first frame,
for example.)</p>
</blockquote>
<p>Place the brush image PNGs (and any data text files) in the