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  20 <th width="100%" align="center">LibGlbarcode 3.0 Reference Manual</th>
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  24 <a href="#libglbarcode-3.0-lgl-barcode.synopsis" class="shortcut">Top</a>
  25                    |
  26                   <a href="#libglbarcode-3.0-lgl-barcode.description" class="shortcut">Description</a>
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  29 <div class="refentry">
  30 <a name="libglbarcode-3.0-lgl-barcode"></a><div class="titlepage"></div>
  31 <div class="refnamediv"><table width="100%"><tr>
  32 <td valign="top">
  33 <h2><span class="refentrytitle"><a name="libglbarcode-3.0-lgl-barcode.top_of_page"></a>lglBarcode</span></h2>
  34 <p>lglBarcode — Barcode structure</p>
  35 </td>
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  38 <div class="refsynopsisdiv">
  39 <a name="libglbarcode-3.0-lgl-barcode.synopsis"></a><h2>Synopsis</h2>
  40 <pre class="synopsis">
  41 #include &lt;libglbarcode/lgl-barcode.h&gt;
  42
  43                     <a class="link" href="libglbarcode-3.0-lgl-barcode.html#lglBarcode" title="lglBarcode">lglBarcode</a>;
  44
  45 <a class="link" href="libglbarcode-3.0-lgl-barcode.html#lglBarcode" title="lglBarcode"><span class="returnvalue">lglBarcode</span></a> *        <a class="link" href="libglbarcode-3.0-lgl-barcode.html#lgl-barcode-new" title="lgl_barcode_new ()">lgl_barcode_new</a>                     (<em class="parameter"><code><span class="type">void</span></code></em>);
  46 <span class="returnvalue">void</span>                <a class="link" href="libglbarcode-3.0-lgl-barcode.html#lgl-barcode-free" title="lgl_barcode_free ()">lgl_barcode_free</a>                    (<em class="parameter"><code><a class="link" href="libglbarcode-3.0-lgl-barcode.html#lglBarcode" title="lglBarcode"><span class="type">lglBarcode</span></a> *bc</code></em>);
  47
  48 enum                <a class="link" href="libglbarcode-3.0-lgl-barcode.html#lglBarcodeShapeType" title="enum lglBarcodeShapeType">lglBarcodeShapeType</a>;
  49                     <a class="link" href="libglbarcode-3.0-lgl-barcode.html#lglBarcodeShape" title="lglBarcodeShape">lglBarcodeShape</a>;
  50                     <a class="link" href="libglbarcode-3.0-lgl-barcode.html#lglBarcodeShapeAny" title="lglBarcodeShapeAny">lglBarcodeShapeAny</a>;
  51                     <a class="link" href="libglbarcode-3.0-lgl-barcode.html#lglBarcodeShapeLine" title="lglBarcodeShapeLine">lglBarcodeShapeLine</a>;
  52                     <a class="link" href="libglbarcode-3.0-lgl-barcode.html#lglBarcodeShapeBox" title="lglBarcodeShapeBox">lglBarcodeShapeBox</a>;
  53                     <a class="link" href="libglbarcode-3.0-lgl-barcode.html#lglBarcodeShapeChar" title="lglBarcodeShapeChar">lglBarcodeShapeChar</a>;
  54                     <a class="link" href="libglbarcode-3.0-lgl-barcode.html#lglBarcodeShapeString" title="lglBarcodeShapeString">lglBarcodeShapeString</a>;
  55                     <a class="link" href="libglbarcode-3.0-lgl-barcode.html#lglBarcodeShapeRing" title="lglBarcodeShapeRing">lglBarcodeShapeRing</a>;
  56                     <a class="link" href="libglbarcode-3.0-lgl-barcode.html#lglBarcodeShapeHexagon" title="lglBarcodeShapeHexagon">lglBarcodeShapeHexagon</a>;
  57
  58 <span class="returnvalue">void</span>                <a class="link" href="libglbarcode-3.0-lgl-barcode.html#lgl-barcode-add-line" title="lgl_barcode_add_line ()">lgl_barcode_add_line</a>                (<em class="parameter"><code><a class="link" href="libglbarcode-3.0-lgl-barcode.html#lglBarcode" title="lglBarcode"><span class="type">lglBarcode</span></a> *bc</code></em>,
  59                                                          <em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> x</code></em>,
  60                                                          <em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> y</code></em>,
  61                                                          <em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> length</code></em>,
  62                                                          <em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> width</code></em>);
  63 <span class="returnvalue">void</span>                <a class="link" href="libglbarcode-3.0-lgl-barcode.html#lgl-barcode-add-box" title="lgl_barcode_add_box ()">lgl_barcode_add_box</a>                 (<em class="parameter"><code><a class="link" href="libglbarcode-3.0-lgl-barcode.html#lglBarcode" title="lglBarcode"><span class="type">lglBarcode</span></a> *bc</code></em>,
  64                                                          <em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> x</code></em>,
  65                                                          <em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> y</code></em>,
  66                                                          <em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> width</code></em>,
  67                                                          <em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> height</code></em>);
  68 <span class="returnvalue">void</span>                <a class="link" href="libglbarcode-3.0-lgl-barcode.html#lgl-barcode-add-char" title="lgl_barcode_add_char ()">lgl_barcode_add_char</a>                (<em class="parameter"><code><a class="link" href="libglbarcode-3.0-lgl-barcode.html#lglBarcode" title="lglBarcode"><span class="type">lglBarcode</span></a> *bc</code></em>,
  69                                                          <em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> x</code></em>,
  70                                                          <em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> y</code></em>,
  71                                                          <em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> fsize</code></em>,
  72                                                          <em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> c</code></em>);
  73 <span class="returnvalue">void</span>                <a class="link" href="libglbarcode-3.0-lgl-barcode.html#lgl-barcode-add-string" title="lgl_barcode_add_string ()">lgl_barcode_add_string</a>              (<em class="parameter"><code><a class="link" href="libglbarcode-3.0-lgl-barcode.html#lglBarcode" title="lglBarcode"><span class="type">lglBarcode</span></a> *bc</code></em>,
  74                                                          <em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> x</code></em>,
  75                                                          <em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> y</code></em>,
  76                                                          <em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> fsize</code></em>,
  77                                                          <em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *string</code></em>,
  78                                                          <em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gsize"><span class="type">gsize</span></a> length</code></em>);
  79 <span class="returnvalue">void</span>                <a class="link" href="libglbarcode-3.0-lgl-barcode.html#lgl-barcode-add-ring" title="lgl_barcode_add_ring ()">lgl_barcode_add_ring</a>                (<em class="parameter"><code><a class="link" href="libglbarcode-3.0-lgl-barcode.html#lglBarcode" title="lglBarcode"><span class="type">lglBarcode</span></a> *bc</code></em>,
  80                                                          <em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> x</code></em>,
  81                                                          <em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> y</code></em>,
  82                                                          <em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> radius</code></em>,
  83                                                          <em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> line_width</code></em>);
  84 <span class="returnvalue">void</span>                <a class="link" href="libglbarcode-3.0-lgl-barcode.html#lgl-barcode-add-hexagon" title="lgl_barcode_add_hexagon ()">lgl_barcode_add_hexagon</a>             (<em class="parameter"><code><a class="link" href="libglbarcode-3.0-lgl-barcode.html#lglBarcode" title="lglBarcode"><span class="type">lglBarcode</span></a> *bc</code></em>,
  85                                                          <em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> x</code></em>,
  86                                                          <em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> y</code></em>,
  87                                                          <em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> height</code></em>);
  88 </pre>
  89 </div>
  90 <div class="refsect1">
  91 <a name="libglbarcode-3.0-lgl-barcode.description"></a><h2>Description</h2>
  92 <p>
  93 This section describes the <a class="link" href="libglbarcode-3.0-lgl-barcode.html#lglBarcode" title="lglBarcode"><span class="type">lglBarcode</span></a> structure and the <a class="link" href="libglbarcode-3.0-lgl-barcode.html#lglBarcodeShape" title="lglBarcodeShape"><span class="type">lglBarcodeShape</span></a> family of simple drawing primitives.
  94 These structures form the basic intermediate barcode representation used by libglbarcode.
  95 The section also defines a set of functions for constructing an <a class="link" href="libglbarcode-3.0-lgl-barcode.html#lglBarcode" title="lglBarcode"><span class="type">lglBarcode</span></a> structure and populating it with drawing primitives.
  96 </p>
  97 </div>
  98 <div class="refsect1">
  99 <a name="libglbarcode-3.0-lgl-barcode.details"></a><h2>Details</h2>
 100 <div class="refsect2">
 101 <a name="lglBarcode"></a><h3>lglBarcode</h3>
 102 <pre class="programlisting">typedef struct {
 103         gdouble  width;
 104         gdouble  height;
 105
 106         GList   *shapes;    /* List of lglBarcodeShape drawing primitives */
 107 } lglBarcode;
 108 </pre>
 109 <p>
 110 This structure contains the libglbarcode intermediate barcode format.  This
 111 structure contains a simple vectorized representation of the barcode.  This
 112 vectorized representation is easy to interpret by a rendering backend for
 113 either vector or raster formats.  A simple API is provided for constructing
 114 barcodes in this format.
 115 </p>
 116 <div class="variablelist"><table border="0">
 117 <col align="left" valign="top">
 118 <tbody>
 119 <tr>
 120 <td><p><span class="term"><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> <em class="structfield"><code><a name="lglBarcode.width"></a>width</code></em>;</span></p></td>
 121 <td>Width of barcode bounding box (points)</td>
 122 </tr>
 123 <tr>
 124 <td><p><span class="term"><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> <em class="structfield"><code><a name="lglBarcode.height"></a>height</code></em>;</span></p></td>
 125 <td>Height of barcode bounding box (points)</td>
 126 </tr>
 127 <tr>
 128 <td><p><span class="term"><a href="http://library.gnome.org/devel/glib/unstable/glib-Doubly-Linked-Lists.html#GList"><span class="type">GList</span></a> *<em class="structfield"><code><a name="lglBarcode.shapes"></a>shapes</code></em>;</span></p></td>
 129 <td>List of <a class="link" href="libglbarcode-3.0-lgl-barcode.html#lglBarcodeShape" title="lglBarcodeShape"><span class="type">lglBarcodeShape</span></a> drawing primitives</td>
 130 </tr>
 131 </tbody>
 132 </table></div>
 133 </div>
 134 <hr>
 135 <div class="refsect2">
 136 <a name="lgl-barcode-new"></a><h3>lgl_barcode_new ()</h3>
 137 <pre class="programlisting"><a class="link" href="libglbarcode-3.0-lgl-barcode.html#lglBarcode" title="lglBarcode"><span class="returnvalue">lglBarcode</span></a> *        lgl_barcode_new                     (<em class="parameter"><code><span class="type">void</span></code></em>);</pre>
 138 <p>
 139 Allocate a new <a class="link" href="libglbarcode-3.0-lgl-barcode.html#lglBarcode" title="lglBarcode"><span class="type">lglBarcode</span></a> structure.
 140 </p>
 141 <p>
 142 This function allocates a new <a class="link" href="libglbarcode-3.0-lgl-barcode.html#lglBarcode" title="lglBarcode"><span class="type">lglBarcode</span></a> structure.
 143 </p>
 144 <p>
 145 </p>
 146 <div class="note" style="margin-left: 0.5in; margin-right: 0.5in;">
 147 <h3 class="title">Note</h3>
 148 <p>
 149       This function is intended to be used internally by barcode implementations.
 150       Typically an end-user would use <a class="link" href="libglbarcode-3.0-lgl-barcode-create.html#lgl-barcode-create" title="lgl_barcode_create ()"><code class="function">lgl_barcode_create()</code></a> instead.
 151 </p>
 152 </div>
 153 <p>
 154 </p>
 155 <div class="variablelist"><table border="0">
 156 <col align="left" valign="top">
 157 <tbody><tr>
 158 <td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
 159 <td>A newly allocated <a class="link" href="libglbarcode-3.0-lgl-barcode.html#lglBarcode" title="lglBarcode"><span class="type">lglBarcode</span></a> structure.  Use <a class="link" href="libglbarcode-3.0-lgl-barcode.html#lgl-barcode-free" title="lgl_barcode_free ()"><code class="function">lgl_barcode_free()</code></a> to
 160 free it.</td>
 161 </tr></tbody>
 162 </table></div>
 163 </div>
 164 <hr>
 165 <div class="refsect2">
 166 <a name="lgl-barcode-free"></a><h3>lgl_barcode_free ()</h3>
 167 <pre class="programlisting"><span class="returnvalue">void</span>                lgl_barcode_free                    (<em class="parameter"><code><a class="link" href="libglbarcode-3.0-lgl-barcode.html#lglBarcode" title="lglBarcode"><span class="type">lglBarcode</span></a> *bc</code></em>);</pre>
 168 <p>
 169 Free a previously allocated <a class="link" href="libglbarcode-3.0-lgl-barcode.html#lglBarcode" title="lglBarcode"><span class="type">lglBarcode</span></a> structure.
 170 </p>
 171 <div class="variablelist"><table border="0">
 172 <col align="left" valign="top">
 173 <tbody><tr>
 174 <td><p><span class="term"><em class="parameter"><code>bc</code></em> :</span></p></td>
 175 <td>The <a class="link" href="libglbarcode-3.0-lgl-barcode.html#lglBarcode" title="lglBarcode"><span class="type">lglBarcode</span></a> structure to free</td>
 176 </tr></tbody>
 177 </table></div>
 178 </div>
 179 <hr>
 180 <div class="refsect2">
 181 <a name="lglBarcodeShapeType"></a><h3>enum lglBarcodeShapeType</h3>
 182 <pre class="programlisting">typedef enum {
 183         LGL_BARCODE_SHAPE_LINE,
 184         LGL_BARCODE_SHAPE_BOX,
 185         LGL_BARCODE_SHAPE_CHAR,
 186         LGL_BARCODE_SHAPE_STRING,
 187         LGL_BARCODE_SHAPE_RING,
 188         LGL_BARCODE_SHAPE_HEXAGON
 189 } lglBarcodeShapeType;
 190 </pre>
 191 <p>
 192 </p>
 193 </div>
 194 <hr>
 195 <div class="refsect2">
 196 <a name="lglBarcodeShape"></a><h3>lglBarcodeShape</h3>
 197 <pre class="programlisting">typedef union {
 198
 199         lglBarcodeShapeType    type;
 200         lglBarcodeShapeAny     any;
 201
 202         lglBarcodeShapeLine    line;
 203         lglBarcodeShapeBox     box;
 204         lglBarcodeShapeChar    bchar;
 205         lglBarcodeShapeString  string;
 206         lglBarcodeShapeRing    ring;
 207         lglBarcodeShapeHexagon hexagon;
 208
 209 } lglBarcodeShape;
 210 </pre>
 211 <p>
 212 </p>
 213 </div>
 214 <hr>
 215 <div class="refsect2">
 216 <a name="lglBarcodeShapeAny"></a><h3>lglBarcodeShapeAny</h3>
 217 <pre class="programlisting">typedef struct {
 218         /* Begin Common Fields */
 219         lglBarcodeShapeType  type;
 220         gdouble              x;
 221         gdouble              y;
 222         /* End Common Fields */
 223 } lglBarcodeShapeAny;
 224 </pre>
 225 <p>
 226 </p>
 227 </div>
 228 <hr>
 229 <div class="refsect2">
 230 <a name="lglBarcodeShapeLine"></a><h3>lglBarcodeShapeLine</h3>
 231 <pre class="programlisting">typedef struct {
 232         /* Begin Common Fields */
 233         lglBarcodeShapeType  type; /* Always LGL_BARCODE_SHAPE_LINE. */
 234         gdouble              x;
 235         gdouble              y;
 236         /* End Common Fields */
 237
 238         gdouble              length;
 239         gdouble              width;
 240 } lglBarcodeShapeLine;
 241 </pre>
 242 <p>
 243 A vertical line drawing primitive.
 244 </p>
 245 <p>
 246 </p>
 247 <pre class="programlisting">
 248
 249 @ =  origin (x,y) from top left corner of barcode
 250
 251              +--@--+
 252              |     |
 253              |     |
 254              |     |
 255              |     | length
 256              |     |
 257              |     |
 258              |     |
 259              +-----+
 260               width
 261
 262 </pre>
 263 <p>
 264 </p>
 265 <p>
 266 All units are in points ( 1 point = 1/72 inch ).
 267 </p>
 268 <div class="variablelist"><table border="0">
 269 <col align="left" valign="top">
 270 <tbody>
 271 <tr>
 272 <td><p><span class="term"><a class="link" href="libglbarcode-3.0-lgl-barcode.html#lglBarcodeShapeType" title="enum lglBarcodeShapeType"><span class="type">lglBarcodeShapeType</span></a> <em class="structfield"><code><a name="lglBarcodeShapeLine.type"></a>type</code></em>;</span></p></td>
 273 <td>Always <code class="literal">LGL_BARCODE_SHAPE_LINE</code>
 274 </td>
 275 </tr>
 276 <tr>
 277 <td><p><span class="term"><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> <em class="structfield"><code><a name="lglBarcodeShapeLine.x"></a>x</code></em>;</span></p></td>
 278 <td>x coordinate of top of line</td>
 279 </tr>
 280 <tr>
 281 <td><p><span class="term"><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> <em class="structfield"><code><a name="lglBarcodeShapeLine.y"></a>y</code></em>;</span></p></td>
 282 <td>y coordinate of top of line</td>
 283 </tr>
 284 <tr>
 285 <td><p><span class="term"><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> <em class="structfield"><code><a name="lglBarcodeShapeLine.length"></a>length</code></em>;</span></p></td>
 286 <td>Length of line</td>
 287 </tr>
 288 <tr>
 289 <td><p><span class="term"><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> <em class="structfield"><code><a name="lglBarcodeShapeLine.width"></a>width</code></em>;</span></p></td>
 290 <td>Width of line</td>
 291 </tr>
 292 </tbody>
 293 </table></div>
 294 </div>
 295 <hr>
 296 <div class="refsect2">
 297 <a name="lglBarcodeShapeBox"></a><h3>lglBarcodeShapeBox</h3>
 298 <pre class="programlisting">typedef struct {
 299         /* Begin Common Fields */
 300         lglBarcodeShapeType  type; /* Always LGL_BARCODE_SHAPE_BOX. */
 301         gdouble              x;
 302         gdouble              y;
 303         /* End Common Fields */
 304
 305         gdouble              width;
 306         gdouble              height;
 307 } lglBarcodeShapeBox;
 308 </pre>
 309 <p>
 310 A solid box drawing primitive.
 311 </p>
 312 <p>
 313 </p>
 314 <pre class="programlisting">
 315
 316 @ =  origin (x,y) from top left corner of barcode
 317
 318              @---------+
 319              |         |
 320              |         |
 321              |         |
 322              |         | height
 323              |         |
 324              |         |
 325              |         |
 326              +---------+
 327                 width
 328
 329 </pre>
 330 <p>
 331 </p>
 332 <p>
 333 All units are in points ( 1 point = 1/72 inch ).
 334 </p>
 335 <div class="variablelist"><table border="0">
 336 <col align="left" valign="top">
 337 <tbody>
 338 <tr>
 339 <td><p><span class="term"><a class="link" href="libglbarcode-3.0-lgl-barcode.html#lglBarcodeShapeType" title="enum lglBarcodeShapeType"><span class="type">lglBarcodeShapeType</span></a> <em class="structfield"><code><a name="lglBarcodeShapeBox.type"></a>type</code></em>;</span></p></td>
 340 <td>Always <code class="literal">LGL_BARCODE_SHAPE_BOX</code>
 341 </td>
 342 </tr>
 343 <tr>
 344 <td><p><span class="term"><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> <em class="structfield"><code><a name="lglBarcodeShapeBox.x"></a>x</code></em>;</span></p></td>
 345 <td>x coordinate of top left corner of box</td>
 346 </tr>
 347 <tr>
 348 <td><p><span class="term"><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> <em class="structfield"><code><a name="lglBarcodeShapeBox.y"></a>y</code></em>;</span></p></td>
 349 <td>y coordinate of top left corner of box</td>
 350 </tr>
 351 <tr>
 352 <td><p><span class="term"><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> <em class="structfield"><code><a name="lglBarcodeShapeBox.width"></a>width</code></em>;</span></p></td>
 353 <td>Width of box</td>
 354 </tr>
 355 <tr>
 356 <td><p><span class="term"><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> <em class="structfield"><code><a name="lglBarcodeShapeBox.height"></a>height</code></em>;</span></p></td>
 357 <td>Height of box</td>
 358 </tr>
 359 </tbody>
 360 </table></div>
 361 </div>
 362 <hr>
 363 <div class="refsect2">
 364 <a name="lglBarcodeShapeChar"></a><h3>lglBarcodeShapeChar</h3>
 365 <pre class="programlisting">typedef struct {
 366         /* Begin Common Fields */
 367         lglBarcodeShapeType  type; /* Always LGL_BARCODE_SHAPE_CHAR. */
 368         gdouble              x;
 369         gdouble              y;
 370         /* End Common Fields */
 371
 372         gdouble              fsize;
 373         gchar                c;
 374 } lglBarcodeShapeChar;
 375 </pre>
 376 <p>
 377 An single byte character drawing primitive.
 378 </p>
 379 <p>
 380 </p>
 381 <pre class="programlisting">
 382
 383 @ =  origin (x,y) from top left corner of barcode
 384
 385              ____ ------------
 386             /    \           ^
 387            /  /\  \          |
 388           /  /__\  \         |
 389          /  ______  \        | ~fsize
 390         /  /      \  \       |
 391        /__/        \__\      |
 392                              v
 393       @ ----------------------
 394
 395 </pre>
 396 <p>
 397 </p>
 398 <p>
 399 All units are in points ( 1 point = 1/72 inch ).
 400 </p>
 401 <div class="variablelist"><table border="0">
 402 <col align="left" valign="top">
 403 <tbody>
 404 <tr>
 405 <td><p><span class="term"><a class="link" href="libglbarcode-3.0-lgl-barcode.html#lglBarcodeShapeType" title="enum lglBarcodeShapeType"><span class="type">lglBarcodeShapeType</span></a> <em class="structfield"><code><a name="lglBarcodeShapeChar.type"></a>type</code></em>;</span></p></td>
 406 <td>Always <code class="literal">LGL_BARCODE_SHAPE_CHAR</code>
 407 </td>
 408 </tr>
 409 <tr>
 410 <td><p><span class="term"><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> <em class="structfield"><code><a name="lglBarcodeShapeChar.x"></a>x</code></em>;</span></p></td>
 411 <td>x coordinate of left baseline of character</td>
 412 </tr>
 413 <tr>
 414 <td><p><span class="term"><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> <em class="structfield"><code><a name="lglBarcodeShapeChar.y"></a>y</code></em>;</span></p></td>
 415 <td>y coordinate of left baseline of character</td>
 416 </tr>
 417 <tr>
 418 <td><p><span class="term"><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> <em class="structfield"><code><a name="lglBarcodeShapeChar.fsize"></a>fsize</code></em>;</span></p></td>
 419 <td>Font size</td>
 420 </tr>
 421 <tr>
 422 <td><p><span class="term"><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> <em class="structfield"><code><a name="lglBarcodeShapeChar.c"></a>c</code></em>;</span></p></td>
 423 <td>Character to add</td>
 424 </tr>
 425 </tbody>
 426 </table></div>
 427 </div>
 428 <hr>
 429 <div class="refsect2">
 430 <a name="lglBarcodeShapeString"></a><h3>lglBarcodeShapeString</h3>
 431 <pre class="programlisting">typedef struct {
 432         /* Begin Common Fields */
 433         lglBarcodeShapeType  type; /* Always LGL_BARCODE_SHAPE_STRING. */
 434         gdouble              x;
 435         gdouble              y;
 436         /* End Common Fields */
 437
 438         gdouble              fsize;
 439         gchar               *string;
 440 } lglBarcodeShapeString;
 441 </pre>
 442 <p>
 443 A character string drawing primitive.
 444 </p>
 445 <p>
 446 </p>
 447 <pre class="programlisting">
 448
 449 @ =  origin (x,y) from top left corner of barcode
 450
 451              ____        _  ------------------
 452             /    \      | |                  ^
 453            /  /\  \     | |                  |
 454           /  /__\  \    | |___     ____      |
 455          /  ______  \   | ._  \   /  __|     | ~fsize
 456         /  /      \  \  | |_)  | |  (__      |
 457        /__/        \__\ |_.___/   \____|     |
 458                                              v
 459                           @ ------------------
 460                           x = horizontal center
 461
 462 </pre>
 463 <p>
 464 </p>
 465 <p>
 466 All units are in points ( 1 point = 1/72 inch ).
 467 </p>
 468 <div class="variablelist"><table border="0">
 469 <col align="left" valign="top">
 470 <tbody>
 471 <tr>
 472 <td><p><span class="term"><a class="link" href="libglbarcode-3.0-lgl-barcode.html#lglBarcodeShapeType" title="enum lglBarcodeShapeType"><span class="type">lglBarcodeShapeType</span></a> <em class="structfield"><code><a name="lglBarcodeShapeString.type"></a>type</code></em>;</span></p></td>
 473 <td>Always <code class="literal">LGL_BARCODE_SHAPE_STRING</code>
 474 </td>
 475 </tr>
 476 <tr>
 477 <td><p><span class="term"><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> <em class="structfield"><code><a name="lglBarcodeShapeString.x"></a>x</code></em>;</span></p></td>
 478 <td>x coordinate of horizontal center of baseline of string</td>
 479 </tr>
 480 <tr>
 481 <td><p><span class="term"><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> <em class="structfield"><code><a name="lglBarcodeShapeString.y"></a>y</code></em>;</span></p></td>
 482 <td>y coordinate of horizontal center of baseline of string</td>
 483 </tr>
 484 <tr>
 485 <td><p><span class="term"><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> <em class="structfield"><code><a name="lglBarcodeShapeString.fsize"></a>fsize</code></em>;</span></p></td>
 486 <td>Font size</td>
 487 </tr>
 488 <tr>
 489 <td><p><span class="term"><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *<em class="structfield"><code><a name="lglBarcodeShapeString.string"></a>string</code></em>;</span></p></td>
 490 <td>String to add</td>
 491 </tr>
 492 </tbody>
 493 </table></div>
 494 </div>
 495 <hr>
 496 <div class="refsect2">
 497 <a name="lglBarcodeShapeRing"></a><h3>lglBarcodeShapeRing</h3>
 498 <pre class="programlisting">typedef struct {
 499         /* Begin Common Fields */
 500         lglBarcodeShapeType  type; /* Always LGL_BARCODE_SHAPE_RING. */
 501         gdouble              x;
 502         gdouble              y;
 503         /* End Common Fields */
 504
 505         gdouble              radius;
 506         gdouble              line_width;
 507 } lglBarcodeShapeRing;
 508 </pre>
 509 <p>
 510 A ring (an open circle) drawing primitive.
 511 </p>
 512 <p>
 513 </p>
 514 <pre class="programlisting">
 515
 516 @ = origin (x,y) is centre of circle
 517
 518                v  line_width
 519           _.-""""-._
 520         .'   ____   `.
 521        /   .'  ^ `.   \
 522       |   /        \   |
 523       |   |    @---|---|------
 524       |   \        /   |     ^
 525        \   `.____.'   /      | radius
 526         `._    ...._.'.......|
 527            `-....-'
 528
 529 </pre>
 530 <p>
 531 </p>
 532 <p>
 533 All units are in points ( 1 point = 1/72 inch ).
 534 </p>
 535 <div class="variablelist"><table border="0">
 536 <col align="left" valign="top">
 537 <tbody>
 538 <tr>
 539 <td><p><span class="term"><a class="link" href="libglbarcode-3.0-lgl-barcode.html#lglBarcodeShapeType" title="enum lglBarcodeShapeType"><span class="type">lglBarcodeShapeType</span></a> <em class="structfield"><code><a name="lglBarcodeShapeRing.type"></a>type</code></em>;</span></p></td>
 540 <td>Always <code class="literal">LGL_BARCODE_SHAPE_RING</code>
 541 </td>
 542 </tr>
 543 <tr>
 544 <td><p><span class="term"><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> <em class="structfield"><code><a name="lglBarcodeShapeRing.x"></a>x</code></em>;</span></p></td>
 545 <td>x coordinate of center of circle</td>
 546 </tr>
 547 <tr>
 548 <td><p><span class="term"><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> <em class="structfield"><code><a name="lglBarcodeShapeRing.y"></a>y</code></em>;</span></p></td>
 549 <td>y coordinate of center of circle</td>
 550 </tr>
 551 <tr>
 552 <td><p><span class="term"><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> <em class="structfield"><code><a name="lglBarcodeShapeRing.radius"></a>radius</code></em>;</span></p></td>
 553 <td>Radius of ring (center of line)</td>
 554 </tr>
 555 <tr>
 556 <td><p><span class="term"><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> <em class="structfield"><code><a name="lglBarcodeShapeRing.line-width"></a>line_width</code></em>;</span></p></td>
 557 <td>Width of line</td>
 558 </tr>
 559 </tbody>
 560 </table></div>
 561 </div>
 562 <hr>
 563 <div class="refsect2">
 564 <a name="lglBarcodeShapeHexagon"></a><h3>lglBarcodeShapeHexagon</h3>
 565 <pre class="programlisting">typedef struct {
 566         /* Begin Common Fields */
 567         lglBarcodeShapeType  type; /* Always LGL_BARCODE_SHAPE_HEXAGON. */
 568         gdouble              x;
 569         gdouble              y;
 570         /* End Common Fields */
 571
 572         gdouble              height;
 573 } lglBarcodeShapeHexagon;
 574 </pre>
 575 <p>
 576 A solid regular hexagon (oriented with vertexes at top and bottom) drawing primitive.
 577 </p>
 578 <p>
 579 </p>
 580 <pre class="programlisting">
 581
 582 @ = origin (x,y) is top of hexagon
 583
 584                  @ ------------------
 585              _-"   "-_              ^
 586          _-"           "-_          |
 587       +"                   "+       |
 588       |                     |       |
 589       |                     |       |
 590       |                     |       | height
 591       |                     |       |
 592       |                     |       |
 593       +_                   _+       |
 594         "-_             _-"         |
 595            "-_       _-"            |
 596               "-_ _-"               v
 597                  " ------------------
 598
 599 </pre>
 600 <p>
 601 </p>
 602 <p>
 603 All units are in points ( 1 point = 1/72 inch ).
 604 </p>
 605 <div class="variablelist"><table border="0">
 606 <col align="left" valign="top">
 607 <tbody>
 608 <tr>
 609 <td><p><span class="term"><a class="link" href="libglbarcode-3.0-lgl-barcode.html#lglBarcodeShapeType" title="enum lglBarcodeShapeType"><span class="type">lglBarcodeShapeType</span></a> <em class="structfield"><code><a name="lglBarcodeShapeHexagon.type"></a>type</code></em>;</span></p></td>
 610 <td>Always <code class="literal">LGL_BARCODE_SHAPE_HEXAGON</code>
 611 </td>
 612 </tr>
 613 <tr>
 614 <td><p><span class="term"><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> <em class="structfield"><code><a name="lglBarcodeShapeHexagon.x"></a>x</code></em>;</span></p></td>
 615 <td>x coordinate of top point of hexagon</td>
 616 </tr>
 617 <tr>
 618 <td><p><span class="term"><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> <em class="structfield"><code><a name="lglBarcodeShapeHexagon.y"></a>y</code></em>;</span></p></td>
 619 <td>y coordinate of top point of hexagon</td>
 620 </tr>
 621 <tr>
 622 <td><p><span class="term"><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> <em class="structfield"><code><a name="lglBarcodeShapeHexagon.height"></a>height</code></em>;</span></p></td>
 623 <td>Height of hexagon</td>
 624 </tr>
 625 </tbody>
 626 </table></div>
 627 </div>
 628 <hr>
 629 <div class="refsect2">
 630 <a name="lgl-barcode-add-line"></a><h3>lgl_barcode_add_line ()</h3>
 631 <pre class="programlisting"><span class="returnvalue">void</span>                lgl_barcode_add_line                (<em class="parameter"><code><a class="link" href="libglbarcode-3.0-lgl-barcode.html#lglBarcode" title="lglBarcode"><span class="type">lglBarcode</span></a> *bc</code></em>,
 632                                                          <em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> x</code></em>,
 633                                                          <em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> y</code></em>,
 634                                                          <em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> length</code></em>,
 635                                                          <em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> width</code></em>);</pre>
 636 <p>
 637 Add a vertical line to barcode.  Coordinates are relative to top left corner
 638 of barcode.  All units are in points ( 1 point = 1/72 inch ).
 639 </p>
 640 <p>
 641 </p>
 642 <div class="note" style="margin-left: 0.5in; margin-right: 0.5in;">
 643 <h3 class="title">Note</h3>
 644 <p>
 645        This function is intended to be used internally by barcode implementations.
 646 </p>
 647 </div>
 648 <p>
 649 </p>
 650 <div class="variablelist"><table border="0">
 651 <col align="left" valign="top">
 652 <tbody>
 653 <tr>
 654 <td><p><span class="term"><em class="parameter"><code>bc</code></em> :</span></p></td>
 655 <td>An <a class="link" href="libglbarcode-3.0-lgl-barcode.html#lglBarcode" title="lglBarcode"><span class="type">lglBarcode</span></a> structure</td>
 656 </tr>
 657 <tr>
 658 <td><p><span class="term"><em class="parameter"><code>x</code></em> :</span></p></td>
 659 <td>x coordinate of top of line</td>
 660 </tr>
 661 <tr>
 662 <td><p><span class="term"><em class="parameter"><code>y</code></em> :</span></p></td>
 663 <td>y coordinate of top of line</td>
 664 </tr>
 665 <tr>
 666 <td><p><span class="term"><em class="parameter"><code>length</code></em> :</span></p></td>
 667 <td>Length of line</td>
 668 </tr>
 669 <tr>
 670 <td><p><span class="term"><em class="parameter"><code>width</code></em> :</span></p></td>
 671 <td>Width of line</td>
 672 </tr>
 673 </tbody>
 674 </table></div>
 675 </div>
 676 <hr>
 677 <div class="refsect2">
 678 <a name="lgl-barcode-add-box"></a><h3>lgl_barcode_add_box ()</h3>
 679 <pre class="programlisting"><span class="returnvalue">void</span>                lgl_barcode_add_box                 (<em class="parameter"><code><a class="link" href="libglbarcode-3.0-lgl-barcode.html#lglBarcode" title="lglBarcode"><span class="type">lglBarcode</span></a> *bc</code></em>,
 680                                                          <em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> x</code></em>,
 681                                                          <em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> y</code></em>,
 682                                                          <em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> width</code></em>,
 683                                                          <em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> height</code></em>);</pre>
 684 <p>
 685 Add a box to barcode.  Coordinates are relative to top left corner
 686 of barcode.  All units are in points ( 1 point = 1/72 inch ).
 687 </p>
 688 <p>
 689 </p>
 690 <div class="note" style="margin-left: 0.5in; margin-right: 0.5in;">
 691 <h3 class="title">Note</h3>
 692 <p>
 693        This function is intended to be used internally by barcode implementations.
 694 </p>
 695 </div>
 696 <p>
 697 </p>
 698 <div class="variablelist"><table border="0">
 699 <col align="left" valign="top">
 700 <tbody>
 701 <tr>
 702 <td><p><span class="term"><em class="parameter"><code>bc</code></em> :</span></p></td>
 703 <td>An <a class="link" href="libglbarcode-3.0-lgl-barcode.html#lglBarcode" title="lglBarcode"><span class="type">lglBarcode</span></a> structure</td>
 704 </tr>
 705 <tr>
 706 <td><p><span class="term"><em class="parameter"><code>x</code></em> :</span></p></td>
 707 <td>x coordinate of top left corner of box</td>
 708 </tr>
 709 <tr>
 710 <td><p><span class="term"><em class="parameter"><code>y</code></em> :</span></p></td>
 711 <td>y coordinate of top left corner of box</td>
 712 </tr>
 713 <tr>
 714 <td><p><span class="term"><em class="parameter"><code>width</code></em> :</span></p></td>
 715 <td>Width of box</td>
 716 </tr>
 717 <tr>
 718 <td><p><span class="term"><em class="parameter"><code>height</code></em> :</span></p></td>
 719 <td>Height of box</td>
 720 </tr>
 721 </tbody>
 722 </table></div>
 723 </div>
 724 <hr>
 725 <div class="refsect2">
 726 <a name="lgl-barcode-add-char"></a><h3>lgl_barcode_add_char ()</h3>
 727 <pre class="programlisting"><span class="returnvalue">void</span>                lgl_barcode_add_char                (<em class="parameter"><code><a class="link" href="libglbarcode-3.0-lgl-barcode.html#lglBarcode" title="lglBarcode"><span class="type">lglBarcode</span></a> *bc</code></em>,
 728                                                          <em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> x</code></em>,
 729                                                          <em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> y</code></em>,
 730                                                          <em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> fsize</code></em>,
 731                                                          <em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> c</code></em>);</pre>
 732 <p>
 733 Add an ASCII character to barcode.  Coordinates are relative to top left corner
 734 of barcode.  All units are in points ( 1 point = 1/72 inch ).
 735 </p>
 736 <p>
 737 </p>
 738 <div class="note" style="margin-left: 0.5in; margin-right: 0.5in;">
 739 <h3 class="title">Note</h3>
 740 <p>
 741        This function is intended to be used internally by barcode implementations.
 742 </p>
 743 </div>
 744 <p>
 745 </p>
 746 <div class="variablelist"><table border="0">
 747 <col align="left" valign="top">
 748 <tbody>
 749 <tr>
 750 <td><p><span class="term"><em class="parameter"><code>bc</code></em> :</span></p></td>
 751 <td>An <a class="link" href="libglbarcode-3.0-lgl-barcode.html#lglBarcode" title="lglBarcode"><span class="type">lglBarcode</span></a> structure</td>
 752 </tr>
 753 <tr>
 754 <td><p><span class="term"><em class="parameter"><code>x</code></em> :</span></p></td>
 755 <td>x coordinate of left baseline of character</td>
 756 </tr>
 757 <tr>
 758 <td><p><span class="term"><em class="parameter"><code>y</code></em> :</span></p></td>
 759 <td>y coordinate of left baseline of character</td>
 760 </tr>
 761 <tr>
 762 <td><p><span class="term"><em class="parameter"><code>fsize</code></em> :</span></p></td>
 763 <td>Font size</td>
 764 </tr>
 765 <tr>
 766 <td><p><span class="term"><em class="parameter"><code>c</code></em> :</span></p></td>
 767 <td>Character to add</td>
 768 </tr>
 769 </tbody>
 770 </table></div>
 771 </div>
 772 <hr>
 773 <div class="refsect2">
 774 <a name="lgl-barcode-add-string"></a><h3>lgl_barcode_add_string ()</h3>
 775 <pre class="programlisting"><span class="returnvalue">void</span>                lgl_barcode_add_string              (<em class="parameter"><code><a class="link" href="libglbarcode-3.0-lgl-barcode.html#lglBarcode" title="lglBarcode"><span class="type">lglBarcode</span></a> *bc</code></em>,
 776                                                          <em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> x</code></em>,
 777                                                          <em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> y</code></em>,
 778                                                          <em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> fsize</code></em>,
 779                                                          <em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *string</code></em>,
 780                                                          <em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gsize"><span class="type">gsize</span></a> length</code></em>);</pre>
 781 <p>
 782 Add a character string to barcode.  Coordinates are relative to top left corner
 783 of barcode.  All units are in points ( 1 point = 1/72 inch ).
 784 </p>
 785 <p>
 786 </p>
 787 <div class="note" style="margin-left: 0.5in; margin-right: 0.5in;">
 788 <h3 class="title">Note</h3>
 789 <p>
 790        This function is intended to be used internally by barcode implementations.
 791 </p>
 792 </div>
 793 <p>
 794 </p>
 795 <div class="variablelist"><table border="0">
 796 <col align="left" valign="top">
 797 <tbody>
 798 <tr>
 799 <td><p><span class="term"><em class="parameter"><code>bc</code></em> :</span></p></td>
 800 <td>An <a class="link" href="libglbarcode-3.0-lgl-barcode.html#lglBarcode" title="lglBarcode"><span class="type">lglBarcode</span></a> structure</td>
 801 </tr>
 802 <tr>
 803 <td><p><span class="term"><em class="parameter"><code>x</code></em> :</span></p></td>
 804 <td>x coordinate of horizontal center of baseline of string</td>
 805 </tr>
 806 <tr>
 807 <td><p><span class="term"><em class="parameter"><code>y</code></em> :</span></p></td>
 808 <td>y coordinate of horizontal center of baseline of string</td>
 809 </tr>
 810 <tr>
 811 <td><p><span class="term"><em class="parameter"><code>fsize</code></em> :</span></p></td>
 812 <td>Font size</td>
 813 </tr>
 814 <tr>
 815 <td><p><span class="term"><em class="parameter"><code>string</code></em> :</span></p></td>
 816 <td>String to add</td>
 817 </tr>
 818 <tr>
 819 <td><p><span class="term"><em class="parameter"><code>length</code></em> :</span></p></td>
 820 <td>Number of bytes in string</td>
 821 </tr>
 822 </tbody>
 823 </table></div>
 824 </div>
 825 <hr>
 826 <div class="refsect2">
 827 <a name="lgl-barcode-add-ring"></a><h3>lgl_barcode_add_ring ()</h3>
 828 <pre class="programlisting"><span class="returnvalue">void</span>                lgl_barcode_add_ring                (<em class="parameter"><code><a class="link" href="libglbarcode-3.0-lgl-barcode.html#lglBarcode" title="lglBarcode"><span class="type">lglBarcode</span></a> *bc</code></em>,
 829                                                          <em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> x</code></em>,
 830                                                          <em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> y</code></em>,
 831                                                          <em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> radius</code></em>,
 832                                                          <em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> line_width</code></em>);</pre>
 833 <p>
 834 Add a ring to barcode.  Coordinates are relative to top left corner
 835 of barcode.  All units are in points ( 1 point = 1/72 inch ).
 836 </p>
 837 <p>
 838 </p>
 839 <div class="note" style="margin-left: 0.5in; margin-right: 0.5in;">
 840 <h3 class="title">Note</h3>
 841 <p>
 842        This function is intended to be used internally by barcode implementations.
 843 </p>
 844 </div>
 845 <p>
 846 </p>
 847 <div class="variablelist"><table border="0">
 848 <col align="left" valign="top">
 849 <tbody>
 850 <tr>
 851 <td><p><span class="term"><em class="parameter"><code>bc</code></em> :</span></p></td>
 852 <td>An <a class="link" href="libglbarcode-3.0-lgl-barcode.html#lglBarcode" title="lglBarcode"><span class="type">lglBarcode</span></a> structure</td>
 853 </tr>
 854 <tr>
 855 <td><p><span class="term"><em class="parameter"><code>x</code></em> :</span></p></td>
 856 <td>x coordinate of center of circle</td>
 857 </tr>
 858 <tr>
 859 <td><p><span class="term"><em class="parameter"><code>y</code></em> :</span></p></td>
 860 <td>y coordinate of center of circle</td>
 861 </tr>
 862 <tr>
 863 <td><p><span class="term"><em class="parameter"><code>radius</code></em> :</span></p></td>
 864 <td>Radius of ring (center of line)</td>
 865 </tr>
 866 <tr>
 867 <td><p><span class="term"><em class="parameter"><code>line_width</code></em> :</span></p></td>
 868 <td>Width of line</td>
 869 </tr>
 870 </tbody>
 871 </table></div>
 872 </div>
 873 <hr>
 874 <div class="refsect2">
 875 <a name="lgl-barcode-add-hexagon"></a><h3>lgl_barcode_add_hexagon ()</h3>
 876 <pre class="programlisting"><span class="returnvalue">void</span>                lgl_barcode_add_hexagon             (<em class="parameter"><code><a class="link" href="libglbarcode-3.0-lgl-barcode.html#lglBarcode" title="lglBarcode"><span class="type">lglBarcode</span></a> *bc</code></em>,
 877                                                          <em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> x</code></em>,
 878                                                          <em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> y</code></em>,
 879                                                          <em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> height</code></em>);</pre>
 880 <p>
 881 Add a regular hexagon (oriented with vertexes at top and bottom) to barcode.
 882 Coordinates are relative to top left corner of barcode.  All units are in
 883 points ( 1 point = 1/72 inch ).
 884 </p>
 885 <p>
 886 </p>
 887 <div class="note" style="margin-left: 0.5in; margin-right: 0.5in;">
 888 <h3 class="title">Note</h3>
 889 <p>
 890        This function is intended to be used internally by barcode implementations.
 891 </p>
 892 </div>
 893 <p>
 894 </p>
 895 <div class="variablelist"><table border="0">
 896 <col align="left" valign="top">
 897 <tbody>
 898 <tr>
 899 <td><p><span class="term"><em class="parameter"><code>bc</code></em> :</span></p></td>
 900 <td>An <a class="link" href="libglbarcode-3.0-lgl-barcode.html#lglBarcode" title="lglBarcode"><span class="type">lglBarcode</span></a> structure</td>
 901 </tr>
 902 <tr>
 903 <td><p><span class="term"><em class="parameter"><code>x</code></em> :</span></p></td>
 904 <td>x coordinate of top point of hexagon</td>
 905 </tr>
 906 <tr>
 907 <td><p><span class="term"><em class="parameter"><code>y</code></em> :</span></p></td>
 908 <td>y coordinate of top point of hexagon</td>
 909 </tr>
 910 <tr>
 911 <td><p><span class="term"><em class="parameter"><code>height</code></em> :</span></p></td>
 912 <td>Height of hexagon</td>
 913 </tr>
 914 </tbody>
 915 </table></div>
 916 </div>
 917 </div>
 918 </div>
 919 <div class="footer">
 920 <hr>
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