Add guile-sdl2 manual.

author: David Thompson <dthompson@vistahigherlearning.com> 2019-06-02 20:50:28 -0400
committer: David Thompson <dthompson@vistahigherlearning.com> 2019-06-02 20:50:28 -0400
commit: b421d4e7e06f977436b6e6195b95ca44d884e0c0 (patch)
tree: cd6e040b7d0fea82b5f766d1508c7278ff50fac0 /manuals/guile-sdl2/Rendering.html
parent: 179da31b16bcf711c14020ec85472c145fc4be51 (diff)
1 files changed, 191 insertions, 0 deletions
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+<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
+<html>
+<!-- Copyright (C) 2016  David Thompson davet@gnu.org
+
+Permission is granted to copy, distribute and/or modify this document
+under the terms of the GNU Free Documentation License, Version 1.3
+or any later version published by the Free Software Foundation;
+with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts.
+A copy of the license is included in the section entitled "GNU
+Free Documentation License".
+
+A copy of the license is also available from the Free Software
+Foundation Web site at http://www.gnu.org/licenses/fdl.html.
+
+
+The document was typeset with
+http://www.texinfo.org/ (GNU Texinfo).
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+<!-- Created by GNU Texinfo 6.5, http://www.gnu.org/software/texinfo/ -->
+<head>
+<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
+<title>Rendering (Guile-SDL2)</title>
+
+<meta name="description" content="Rendering (Guile-SDL2)">
+<meta name="keywords" content="Rendering (Guile-SDL2)">
+<meta name="resource-type" content="document">
+<meta name="distribution" content="global">
+<meta name="Generator" content="makeinfo">
+<link href="index.html#Top" rel="start" title="Top">
+<link href="Index.html#Index" rel="index" title="Index">
+<link href="index.html#SEC_Contents" rel="contents" title="Table of Contents">
+<link href="API-Reference.html#API-Reference" rel="up" title="API Reference">
+<link href="Images.html#Images" rel="next" title="Images">
+<link href="Surfaces.html#Surfaces" rel="prev" title="Surfaces">
+<style type="text/css">
+<!--
+a.summary-letter {text-decoration: none}
+blockquote.indentedblock {margin-right: 0em}
+blockquote.smallindentedblock {margin-right: 0em; font-size: smaller}
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+div.example {margin-left: 3.2em}
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+    }
+}
+
+@media (min-width: 800px) and (max-width: 1140px) {
+    body {
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+        max-width: 52rem;
+    }
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+<link rel="stylesheet" type="text/css" href="https://dthompson.us/css/dthompson.css">
+
+
+</head>
+
+<body lang="en">
+<a name="Rendering"></a>
+<div class="header">
+<p>
+Next: <a href="Images.html#Images" accesskey="n" rel="next">Images</a>, Previous: <a href="Surfaces.html#Surfaces" accesskey="p" rel="prev">Surfaces</a>, Up: <a href="API-Reference.html#API-Reference" accesskey="u" rel="up">API Reference</a> &nbsp; [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="Index.html#Index" title="Index" rel="index">Index</a>]</p>
+</div>
+<hr>
+<a name="Rendering-1"></a>
+<h3 class="section">3.7 Rendering</h3>
+
+<div class="example">
+<pre class="example">(use-modules (sdl2 render))
+</pre></div>
+
+<dl>
+<dt><a name="index-make_002drenderer"></a>Procedure: <strong>make-renderer</strong> <em>window                                         [#:optional flags='(accelerated vsync)]</em></dt>
+<dd><p>Return a new renderer for <var>window</var> created with the options specified
+in <var>flags</var>, a list of symbols.  The valid symbols that may appear in
+<var>flags</var> are:
+</p>
+<ul>
+<li> software, to use a software renderer fallback
+</li><li> accelerated, to use hardware acceleration
+</li><li> vsync, to synchronize rendering with the monitor&rsquo;s refresh rate
+</li><li> texture, for render to texture support
+</li></ul>
+</dd></dl>
+
+<dl>
+<dt><a name="index-renderer_003f"></a>Procedure: <strong>renderer?</strong> <em>r</em></dt>
+<dd><p>Return <code>#t</code> if <var>r</var> is a renderer.
+</p></dd></dl>
+
+<dl>
+<dt><a name="index-delete_002drenderer_0021"></a>Procedure: <strong>delete-renderer!</strong> <em>renderer</em></dt>
+<dd><p>Delete the rendering context <var>renderer</var>.
+</p></dd></dl>
+
+<dl>
+<dt><a name="index-call_002dwith_002drenderer"></a>Procedure: <strong>call-with-renderer</strong> <em>renderer proc</em></dt>
+<dd><p>Call <var>proc</var>, passing it <var>renderer</var> and closing <var>renderer</var> upon exit
+of <var>proc</var>.
+</p></dd></dl>
+
+<dl>
+<dt><a name="index-clear_002drenderer"></a>Procedure: <strong>clear-renderer</strong> <em>renderer</em></dt>
+<dd><p>Clear the rendering target <var>renderer</var> with the current drawing color.
+</p></dd></dl>
+
+<dl>
+<dt><a name="index-present_002drenderer"></a>Procedure: <strong>present-renderer</strong> <em>renderer</em></dt>
+<dd><p>Display <var>renderer</var>.
+</p></dd></dl>
+
+<dl>
+<dt><a name="index-render_002dcopy"></a>Procedure: <strong>render-copy</strong> <em>renderer                                       texture                                       [#:angle 0]                                       [#:srcrect]                                       [#:dstrect]                                       [#:center]</em></dt>
+<dd><p>Copy <var>texture</var> to the rendering target of <var>renderer</var>.
+</p></dd></dl>
+
+<dl>
+<dt><a name="index-render_002ddraw_002dline"></a>Procedure: <strong>render-draw-line</strong> <em>renderer x1 y1 x2 y2</em></dt>
+<dd><p>Draw a line from (<var>x1</var>, <var>y1</var>) to (<var>x2</var>, <var>y2</var>) on the
+current rendering target of <var>renderer</var>.
+</p></dd></dl>
+
+<dl>
+<dt><a name="index-render_002ddraw_002dlines"></a>Procedure: <strong>render-draw-lines</strong> <em>renderer point</em></dt>
+<dd><p>Draw a series of connected lines from <var>points</var> on the current
+rendering target of <var>renderer</var>.
+</p></dd></dl>
+
+<dl>
+<dt><a name="index-render_002ddraw_002dpoint"></a>Procedure: <strong>render-draw-point</strong> <em>renderer x y</em></dt>
+<dd><p>Draw a point at (<var>x</var>, <var>y</var>) on the current rendering target
+of <var>renderer</var>.
+</p></dd></dl>
+
+<dl>
+<dt><a name="index-render_002ddraw_002dpoints"></a>Procedure: <strong>render-draw-points</strong> <em>renderer points</em></dt>
+<dd><p>Draw a multiple points from <var>points</var> on the current rendering
+target of <var>renderer</var>.
+</p></dd></dl>
+
+<dl>
+<dt><a name="index-surface_002d_003etexture"></a>Procedure: <strong>surface-&gt;texture</strong> <em>renderer surface</em></dt>
+<dd><p>Convert <var>surface</var> to a texture suitable for <var>renderer</var>.
+</p></dd></dl>
+
+<dl>
+<dt><a name="index-delete_002dtexture_0021"></a>Procedure: <strong>delete-texture!</strong> <em>texture</em></dt>
+<dd><p>Free the memory used by <var>texture</var>.
+</p></dd></dl>
+
+<hr>
+<div class="header">
+<p>
+Next: <a href="Images.html#Images" accesskey="n" rel="next">Images</a>, Previous: <a href="Surfaces.html#Surfaces" accesskey="p" rel="prev">Surfaces</a>, Up: <a href="API-Reference.html#API-Reference" accesskey="u" rel="up">API Reference</a> &nbsp; [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="Index.html#Index" title="Index" rel="index">Index</a>]</p>
+</div>
+
+
+
+</body>
+</html>
author	David Thompson <dthompson@vistahigherlearning.com>	2019-06-02 20:50:28 -0400
committer	David Thompson <dthompson@vistahigherlearning.com>	2019-06-02 20:50:28 -0400
commit	b421d4e7e06f977436b6e6195b95ca44d884e0c0 (patch)
tree	cd6e040b7d0fea82b5f766d1508c7278ff50fac0 /manuals/guile-sdl2/Rendering.html
parent	179da31b16bcf711c14020ec85472c145fc4be51 (diff)