diff options
| author | David Thompson <dthompson2@worcester.edu> | 2021-04-13 11:30:50 -0400 |
|---|---|---|
| committer | David Thompson <dthompson2@worcester.edu> | 2021-04-13 11:30:50 -0400 |
| commit | ce9d6e8ad28b2d84d1a292a871c23b66a4654b54 (patch) | |
| tree | ade44e7bb7b891c9ae0ceba18633ef4b2a911a7c /manuals/chickadee/Sprites.html | |
| parent | 2a30eb2a2d5472be3df1254d5d4d04310314e628 (diff) | |
Add new guile-sdl2 and chickadee releases.
Diffstat (limited to 'manuals/chickadee/Sprites.html')
| -rw-r--r-- | manuals/chickadee/Sprites.html | 47 |
1 files changed, 5 insertions, 42 deletions
diff --git a/manuals/chickadee/Sprites.html b/manuals/chickadee/Sprites.html index 269a041..93a0967 100644 --- a/manuals/chickadee/Sprites.html +++ b/manuals/chickadee/Sprites.html @@ -32,7 +32,7 @@ http://www.texinfo.org/ (GNU Texinfo). <link href="Index.html" rel="index" title="Index"> <link href="index.html#SEC_Contents" rel="contents" title="Table of Contents"> <link href="Graphics.html" rel="up" title="Graphics"> -<link href="Tile-Maps.html" rel="next" title="Tile Maps"> +<link href="9_002dPatches.html" rel="next" title="9-Patches"> <link href="Textures.html" rel="prev" title="Textures"> <style type="text/css"> <!-- @@ -82,7 +82,7 @@ ul.no-bullet {list-style: none} <body lang="en"> <span id="Sprites"></span><div class="header"> <p> -Next: <a href="Tile-Maps.html" accesskey="n" rel="next">Tile Maps</a>, Previous: <a href="Textures.html" accesskey="p" rel="prev">Textures</a>, Up: <a href="Graphics.html" accesskey="u" rel="up">Graphics</a> [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="Index.html" title="Index" rel="index">Index</a>]</p> +Next: <a href="9_002dPatches.html" accesskey="n" rel="next">9-Patches</a>, Previous: <a href="Textures.html" accesskey="p" rel="prev">Textures</a>, Up: <a href="Graphics.html" accesskey="u" rel="up">Graphics</a> [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="Index.html" title="Index" rel="index">Index</a>]</p> </div> <hr> <span id="Sprites-1"></span><h4 class="subsection">2.3.3 Sprites</h4> @@ -98,7 +98,7 @@ interface for working with sprites. Bitmaps are stored in textures <code>draw-sprite</code> procedure. </p> <dl> -<dt id="index-draw_002dsprite">Procedure: <strong>draw-sprite</strong> <em>texture position [#:tint white] [#:origin] [#:scale] [#:rotation] [#:blend-mode alpha] [#:rect]</em></dt> +<dt id="index-draw_002dsprite">Procedure: <strong>draw-sprite</strong> <em>texture position [#:tint white] [#:origin] [#:scale] [#:rotation] [#:blend-mode] [#:rect]</em></dt> <dd> <p>Draw <var>texture</var> at <var>position</var>. </p> @@ -173,52 +173,15 @@ parent is the batch texture may be specified as <var>texture-region</var>. </p></dd></dl> <dl> -<dt id="index-draw_002dsprite_002dbatch">Procedure: <strong>draw-sprite-batch</strong> <em>batch [#:blend-mode <code>alpha</code>]</em></dt> +<dt id="index-draw_002dsprite_002dbatch">Procedure: <strong>draw-sprite-batch</strong> <em>batch [#:blend-mode]</em></dt> <dd><p>Render <var>batch</var> using <var>blend-mode</var>. Alpha blending is used by default. </p></dd></dl> -<p>With a basic sprite abstraction in place, it’s possible to build other -abstractions on top of it. One such example is the “nine patch”. A -nine patch is a sprite that can be rendered at various sizes without -becoming distorted. This is achieved by dividing up the sprite into -nine regions: -</p> -<ul> -<li> the center, which can be scaled horizontally and vertically -</li><li> the four corners, which can never be scaled -</li><li> the left and right sides, which can be scaled vertically -</li><li> the top and bottom sides, which can be scaled horizontally -</li></ul> - -<p>The one caveat is that the bitmap regions must be designed in such a -way so that they are not distorted when stretched along the affected -axes. For example, that means that the top and bottom sides could -have varying colored pixels vertically, but not horizontally. -</p> -<p>The most common application of this technique is for graphical user -interface widgets like buttons and dialog boxes. By using a nine -patch, they can be rendered at any size without unappealing scaling -artifacts. -</p> -<dl> -<dt id="index-draw_002dnine_002dpatch">Procedure: <strong>draw-nine-patch</strong> <em>texture rect [#:margin 0] [#:top-margin margin] [#:bottom-margin margin] [#:left-margin margin] [#:right-margin margin] [#:origin] [#:scale] [#:rotation] [#:blend-mode alpha] [#:tint white]</em></dt> -<dd> -<p>Draw a nine patch sprite. A nine patch sprite renders <var>texture</var> -as a <var>width</var> x <var>height</var> rectangle whose stretchable areas are -defined by the given margin measurements <var>top-margin</var>, -<var>bottom-margin</var>, <var>left-margin</var>, and <var>right-margin</var>. The -<var>margin</var> argument may be used to configure all four margins at -once. -</p> -<p>Refer to <code>draw-sprite</code> (see <a href="#Sprites">Sprites</a>) for information about -the other arguments. -</p></dd></dl> - <hr> <div class="header"> <p> -Next: <a href="Tile-Maps.html" accesskey="n" rel="next">Tile Maps</a>, Previous: <a href="Textures.html" accesskey="p" rel="prev">Textures</a>, Up: <a href="Graphics.html" accesskey="u" rel="up">Graphics</a> [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="Index.html" title="Index" rel="index">Index</a>]</p> +Next: <a href="9_002dPatches.html" accesskey="n" rel="next">9-Patches</a>, Previous: <a href="Textures.html" accesskey="p" rel="prev">Textures</a>, Up: <a href="Graphics.html" accesskey="u" rel="up">Graphics</a> [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="Index.html" title="Index" rel="index">Index</a>]</p> </div> |