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   5 <title>LibGlbarcode 3.0 Reference Manual: Cairo Renderer</title>
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  19                   <a href="#libglbarcode-3.0-lgl-barcode-render-to-cairo.object-hierarchy" class="shortcut">Object Hierarchy</a></span>
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  26 <div class="refentry">
  27 <a name="libglbarcode-3.0-lgl-barcode-render-to-cairo"></a><div class="titlepage"></div>
  28 <div class="refnamediv"><table width="100%"><tr>
  29 <td valign="top">
  30 <h2><span class="refentrytitle"><a name="libglbarcode-3.0-lgl-barcode-render-to-cairo.top_of_page"></a>Cairo Renderer</span></h2>
  31 <p>Cairo Renderer — Render barcode to cairo context</p>
  32 </td>
  33 <td class="gallery_image" valign="top" align="right"></td>
  34 </tr></table></div>
  35 <div class="refsect1">
  36 <a name="libglbarcode-3.0-lgl-barcode-render-to-cairo.functions"></a><h2>Functions</h2>
  37 <div class="informaltable"><table width="100%" border="0">
  38 <colgroup>
  39 <col width="150px" class="functions_return">
  40 <col class="functions_name">
  41 </colgroup>
  42 <tbody>
  43 <tr>
  44 <td class="function_type">
  45 <span class="returnvalue">void</span>
  46 </td>
  47 <td class="function_name">
  48 <a class="link" href="libglbarcode-3.0-lgl-barcode-render-to-cairo.html#lgl-barcode-render-to-cairo" title="lgl_barcode_render_to_cairo ()">lgl_barcode_render_to_cairo</a> <span class="c_punctuation">()</span>
  49 </td>
  50 </tr>
  51 <tr>
  52 <td class="function_type">
  53 <span class="returnvalue">void</span>
  54 </td>
  55 <td class="function_name">
  56 <a class="link" href="libglbarcode-3.0-lgl-barcode-render-to-cairo.html#lgl-barcode-render-to-cairo-path" title="lgl_barcode_render_to_cairo_path ()">lgl_barcode_render_to_cairo_path</a> <span class="c_punctuation">()</span>
  57 </td>
  58 </tr>
  59 </tbody>
  60 </table></div>
  61 </div>
  62 <div class="refsect1">
  63 <a name="libglbarcode-3.0-lgl-barcode-render-to-cairo.object-hierarchy"></a><h2>Object Hierarchy</h2>
  64 <pre class="screen">
  65 </pre>
  66 </div>
  67 <div class="refsect1">
  68 <a name="libglbarcode-3.0-lgl-barcode-render-to-cairo.includes"></a><h2>Includes</h2>
  69 <pre class="synopsis">#include &lt;libglbarcode/lgl-barcode-render-to-cairo.h&gt;
  70 </pre>
  71 </div>
  72 <div class="refsect1">
  73 <a name="libglbarcode-3.0-lgl-barcode-render-to-cairo.description"></a><h2>Description</h2>
  74 <p>
  75 This section describes the cairo barcode renderer.
  76 </p>
  77 </div>
  78 <div class="refsect1">
  79 <a name="libglbarcode-3.0-lgl-barcode-render-to-cairo.functions_details"></a><h2>Functions</h2>
  80 <div class="refsect2">
  81 <a name="lgl-barcode-render-to-cairo"></a><h3>lgl_barcode_render_to_cairo ()</h3>
  82 <pre class="programlisting"><span class="returnvalue">void</span>
  83 lgl_barcode_render_to_cairo (<em class="parameter"><code>const <a class="link" href="libglbarcode-3.0-lgl-barcode.html#lglBarcode" title="lglBarcode"><span class="type">lglBarcode</span></a> *bc</code></em>,
  84                              <em class="parameter"><code><a href="/usr/share/gtk-doc/html/cairo/cairo-cairo-t.html#cairo-t"><span class="type">cairo_t</span></a> *cr</code></em>);</pre>
  85 <p>Render barcode to cairo context.  Context should be prepared with desired
  86 translation and appropriate scale.  Context should be translated such that
  87 the origin is at the desired location of the upper left hand corner of the
  88 barcode bounding box.  Context should be scaled such that all dimensions
  89 are in points ( 1 point = 1/72 inch ) and that positive y coordinates
  90 go down the surface.</p>
  91 <div class="refsect3">
  92 <a name="id-1.3.4.7.2.5"></a><h4>Parameters</h4>
  93 <div class="informaltable"><table width="100%" border="0">
  94 <colgroup>
  95 <col width="150px" class="parameters_name">
  96 <col class="parameters_description">
  97 <col width="200px" class="parameters_annotations">
  98 </colgroup>
  99 <tbody>
 100 <tr>
 101 <td class="parameter_name"><p>bc</p></td>
 102 <td class="parameter_description"><p>An <a class="link" href="libglbarcode-3.0-lgl-barcode.html#lglBarcode" title="lglBarcode"><span class="type">lglBarcode</span></a> structure</p></td>
 103 <td class="parameter_annotations"> </td>
 104 </tr>
 105 <tr>
 106 <td class="parameter_name"><p>cr</p></td>
 107 <td class="parameter_description"><p>A <a href="/usr/share/gtk-doc/html/cairo/cairo-cairo-t.html#cairo-t"><span class="type">cairo_t</span></a> context</p></td>
 108 <td class="parameter_annotations"> </td>
 109 </tr>
 110 </tbody>
 111 </table></div>
 112 </div>
 113 </div>
 114 <hr>
 115 <div class="refsect2">
 116 <a name="lgl-barcode-render-to-cairo-path"></a><h3>lgl_barcode_render_to_cairo_path ()</h3>
 117 <pre class="programlisting"><span class="returnvalue">void</span>
 118 lgl_barcode_render_to_cairo_path (<em class="parameter"><code>const <a class="link" href="libglbarcode-3.0-lgl-barcode.html#lglBarcode" title="lglBarcode"><span class="type">lglBarcode</span></a> *bc</code></em>,
 119                                   <em class="parameter"><code><a href="/usr/share/gtk-doc/html/cairo/cairo-cairo-t.html#cairo-t"><span class="type">cairo_t</span></a> *cr</code></em>);</pre>
 120 <p>Render barcode to cairo context, but only create a path to be filled or
 121 tested against.  Context should be prepared with desired
 122 translation and appropriate scale.  Context should be translated such that
 123 the origin is at the desired location of the upper left hand corner of the
 124 barcode bounding box.  Context should be scaled such that all dimensions
 125 are in points ( 1 point = 1/72 inch ) and that positive y coordinates
 126 go down the surface.</p>
 127 <div class="refsect3">
 128 <a name="id-1.3.4.7.3.5"></a><h4>Parameters</h4>
 129 <div class="informaltable"><table width="100%" border="0">
 130 <colgroup>
 131 <col width="150px" class="parameters_name">
 132 <col class="parameters_description">
 133 <col width="200px" class="parameters_annotations">
 134 </colgroup>
 135 <tbody>
 136 <tr>
 137 <td class="parameter_name"><p>bc</p></td>
 138 <td class="parameter_description"><p>An <a class="link" href="libglbarcode-3.0-lgl-barcode.html#lglBarcode" title="lglBarcode"><span class="type">lglBarcode</span></a> structure</p></td>
 139 <td class="parameter_annotations"> </td>
 140 </tr>
 141 <tr>
 142 <td class="parameter_name"><p>cr</p></td>
 143 <td class="parameter_description"><p>A <a href="/usr/share/gtk-doc/html/cairo/cairo-cairo-t.html#cairo-t"><span class="type">cairo_t</span></a> context</p></td>
 144 <td class="parameter_annotations"> </td>
 145 </tr>
 146 </tbody>
 147 </table></div>
 148 </div>
 149 </div>
 150 </div>
 151 <div class="refsect1">
 152 <a name="libglbarcode-3.0-lgl-barcode-render-to-cairo.other_details"></a><h2>Types and Values</h2>
 153 </div>
 154 </div>
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