diff options
author | David Thompson <dthompson2@worcester.edu> | 2021-04-13 11:30:50 -0400 |
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committer | David Thompson <dthompson2@worcester.edu> | 2021-04-13 11:30:50 -0400 |
commit | ce9d6e8ad28b2d84d1a292a871c23b66a4654b54 (patch) | |
tree | ade44e7bb7b891c9ae0ceba18633ef4b2a911a7c /manuals/guile-sdl2/Fonts.html | |
parent | 2a30eb2a2d5472be3df1254d5d4d04310314e628 (diff) |
Add new guile-sdl2 and chickadee releases.
Diffstat (limited to 'manuals/guile-sdl2/Fonts.html')
-rw-r--r-- | manuals/guile-sdl2/Fonts.html | 120 |
1 files changed, 92 insertions, 28 deletions
diff --git a/manuals/guile-sdl2/Fonts.html b/manuals/guile-sdl2/Fonts.html index ed15bc1..890440f 100644 --- a/manuals/guile-sdl2/Fonts.html +++ b/manuals/guile-sdl2/Fonts.html @@ -1,6 +1,6 @@ <!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 +<!-- Copyright (C) 2016, 2017, 2018, 2019 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 @@ -13,10 +13,12 @@ A copy of the license is also available from the Free Software Foundation Web site at http://www.gnu.org/licenses/fdl.html. +* Guile-SDL2: (guile-sdl2). SDL2 bindings for Guile. + The document was typeset with http://www.texinfo.org/ (GNU Texinfo). --> -<!-- Created by GNU Texinfo 6.5, http://www.gnu.org/software/texinfo/ --> +<!-- Created by GNU Texinfo 6.7, http://www.gnu.org/software/texinfo/ --> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> <title>Fonts (Guile-SDL2)</title> @@ -26,33 +28,24 @@ http://www.texinfo.org/ (GNU Texinfo). <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" rel="start" title="Top"> +<link href="Index.html" 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="Contributing.html#Contributing" rel="next" title="Contributing"> -<link href="Sound.html#Sound" rel="prev" title="Sound"> +<link href="API-Reference.html" rel="up" title="API Reference"> +<link href="Hints.html" rel="next" title="Hints"> +<link href="Sound.html" rel="prev" title="Sound"> <style type="text/css"> <!-- a.summary-letter {text-decoration: none} blockquote.indentedblock {margin-right: 0em} -blockquote.smallindentedblock {margin-right: 0em; font-size: smaller} -blockquote.smallquotation {font-size: smaller} div.display {margin-left: 3.2em} div.example {margin-left: 3.2em} div.lisp {margin-left: 3.2em} -div.smalldisplay {margin-left: 3.2em} -div.smallexample {margin-left: 3.2em} -div.smalllisp {margin-left: 3.2em} kbd {font-style: oblique} pre.display {font-family: inherit} pre.format {font-family: inherit} pre.menu-comment {font-family: serif} pre.menu-preformatted {font-family: serif} -pre.smalldisplay {font-family: inherit; font-size: smaller} -pre.smallexample {font-size: smaller} -pre.smallformat {font-family: inherit; font-size: smaller} -pre.smalllisp {font-size: smaller} span.nolinebreak {white-space: nowrap} span.roman {font-family: initial; font-weight: normal} span.sansserif {font-family: sans-serif; font-weight: normal} @@ -87,58 +80,129 @@ ul.no-bullet {list-style: none} </head> <body lang="en"> -<a name="Fonts"></a> -<div class="header"> +<span id="Fonts"></span><div class="header"> <p> -Previous: <a href="Sound.html#Sound" accesskey="p" rel="prev">Sound</a>, Up: <a href="API-Reference.html#API-Reference" accesskey="u" rel="up">API Reference</a> [<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> +Next: <a href="Hints.html" accesskey="n" rel="next">Hints</a>, Previous: <a href="Sound.html" accesskey="p" rel="prev">Sound</a>, Up: <a href="API-Reference.html" accesskey="u" rel="up">API Reference</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> -<a name="Fonts-1"></a> -<h3 class="section">3.10 Fonts</h3> +<span id="Fonts-1"></span><h3 class="section">3.11 Fonts</h3> <div class="example"> <pre class="example">(use-modules (sdl2 ttf)) </pre></div> <dl> -<dt><a name="index-ttf_002dinit"></a>Procedure: <strong>ttf-init</strong></dt> +<dt id="index-ttf_002dinit">Procedure: <strong>ttf-init</strong></dt> <dd><p>Initialize the TTF system. </p></dd></dl> <dl> -<dt><a name="index-ttf_002dquit"></a>Procedure: <strong>ttf-quit</strong></dt> +<dt id="index-ttf_002dquit">Procedure: <strong>ttf-quit</strong></dt> <dd><p>Shut down and clean up the TTF system. </p></dd></dl> <dl> -<dt><a name="index-load_002dfont"></a>Procedure: <strong>load-font</strong> <em>file point-size</em></dt> +<dt id="index-load_002dfont">Procedure: <strong>load-font</strong> <em>file point-size</em></dt> <dd><p>Load TTF font from <var>file</var> and return a new font object whose glyph size is <var>point-size</var>. </p></dd></dl> <dl> -<dt><a name="index-delete_002dfont_0021"></a>Procedure: <strong>delete-font!</strong> <em>font</em></dt> +<dt id="index-delete_002dfont_0021">Procedure: <strong>delete-font!</strong> <em>font</em></dt> <dd><p>Delete the memory allocated for <var>font</var>. </p></dd></dl> <dl> -<dt><a name="index-font_002dheight"></a>Procedure: <strong>font-height</strong> <em>font</em></dt> +<dt id="index-font_002dheight">Procedure: <strong>font-height</strong> <em>font</em></dt> <dd><p>Return the maximum height of <var>font</var>. </p></dd></dl> <dl> -<dt><a name="index-render_002dfont_002dsolid"></a>Procedure: <strong>render-font-solid</strong> <em>font text color</em></dt> +<dt id="index-font_002dascent">Procedure: <strong>font-ascent</strong> <em>font</em></dt> +<dd><p>Return the maximum pixel ascent of all glyphs in <var>font</var>. This can +also be interpreted as the distance from the top of the font to the +baseline. +</p></dd></dl> + +<dl> +<dt id="index-font_002ddescent">Procedure: <strong>font-descent</strong> <em>font</em></dt> +<dd><p>Return the maximum pixel descent of all glyphs in <var>font</var>. This +can also be interpreted as the distance from the baseline to the +bottom of the font. +</p></dd></dl> + +<dl> +<dt id="index-font_002dline_002dskip">Procedure: <strong>font-line-skip</strong> <em>font</em></dt> +<dd><p>Return the recommended pixel height of a line of text using +<var>font</var>. +</p></dd></dl> + +<dl> +<dt id="index-font_002dsize_002dtext">Procedure: <strong>font-size-text</strong> <em>font text</em></dt> +<dd><p>Return 2 values for the resulting surface size of the string +<var>text</var> using <var>font</var>. +</p></dd></dl> + +<dl> +<dt id="index-font_002dglyph_002dindex">Procedure: <strong>font-glyph-index</strong> <em>font char</em></dt> +<dd><p>Return the index of the glyph for <var>char</var> in <var>font</var>, or +<code>#f</code> if <var>char</var> is not present. +</p></dd></dl> + +<dl> +<dt id="index-font_002dglyph_002dmetrics">Procedure: <strong>font-glyph-metrics</strong> <em>font char</em></dt> +<dd><p>Return values for the metrics of <var>char</var> in <var>font</var>: min x, max +x, min y, max y, and advance. +</p></dd></dl> + +<dl> +<dt id="index-font">font-style: <strong>font</strong></dt> +<dd><p>Return the rendering style of <var>font</var> as a list that may contain +any of the following symbols: +</p> +<ul> +<li> <code>bold</code> +</li><li> <code>italic</code> +</li><li> <code>underline</code> +</li><li> <code>strikethrough</code> +</li></ul> + +<p>The empty list is returned if none of the above styles are applied. +</p></dd></dl> + +<dl> +<dt id="index-font-1">font-set-style!: <strong>font</strong> <em>style</em></dt> +<dd><p>Set the rendering style of <var>font</var> to <var>style</var>, a list that may +contain any of the following symbols: +</p> +<ul> +<li> <code>bold</code> +</li><li> <code>italic</code> +</li><li> <code>underline</code> +</li><li> <code>strikethrough</code> +</li></ul> + +<p>The empty list means that none of the above stylings will be used. +</p></dd></dl> + +<dl> +<dt id="index-render_002dfont_002dsolid">Procedure: <strong>render-font-solid</strong> <em>font text color</em></dt> <dd><p>Render <var>text</var>, a UTF-8 encoded string, using <var>font</var> and <var>color</var>, the foreground color, and return a surface containing the results. </p></dd></dl> <dl> -<dt><a name="index-render_002dfont_002dblended"></a>Procedure: <strong>render-font-blended</strong> <em>font text color</em></dt> +<dt id="index-render_002dfont_002dblended">Procedure: <strong>render-font-blended</strong> <em>font text color</em></dt> <dd><p>Render <var>text</var>, a UTF-8 encoded string, using <var>font</var> and <var>color</var>, the foreground color, and return a high-quality alpha-blended surface containing the results. </p></dd></dl> +<hr> +<div class="header"> +<p> +Next: <a href="Hints.html" accesskey="n" rel="next">Hints</a>, Previous: <a href="Sound.html" accesskey="p" rel="prev">Sound</a>, Up: <a href="API-Reference.html" accesskey="u" rel="up">API Reference</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> |