sec-itemreference.html

gtk_text program sample&eg

              <td align="LEFT" valign="TOP">
                <span class="STRUCTNAME">points</span>
              </td>
              <td align="LEFT" valign="TOP">
                <span class="STRUCTNAME">GnomeCanvasPoints*</span>
              </td>
              <td align="LEFT" valign="TOP">
                Both
              </td>
              <td align="LEFT" valign="TOP">
                Points in the line
              </td>
            </tr>
            <tr>
              <td align="LEFT" valign="TOP">
                <span class="STRUCTNAME">fill_color</span>
              </td>
              <td align="LEFT" valign="TOP">
                <span class="STRUCTNAME">gchar*</span>
              </td>
              <td align="LEFT" valign="TOP">
                Write-only
              </td>
              <td align="LEFT" valign="TOP">
                Fill color; string for <tt class="FUNCTION">
                gdk_color_parse()</tt>
              </td>
            </tr>
            <tr>
              <td align="LEFT" valign="TOP">
                <span class="STRUCTNAME">fill_color_gdk</span>
              </td>
              <td align="LEFT" valign="TOP">
                <span class="STRUCTNAME">GdkColor*</span>
              </td>
              <td align="LEFT" valign="TOP">
                Both
              </td>
              <td align="LEFT" valign="TOP">
                Fill color; specified as already-allocated <span
                class="STRUCTNAME">GdkColor</span>
              </td>
            </tr>
            <tr>
              <td align="LEFT" valign="TOP">
                <span class="STRUCTNAME">fill_color_rgba</span>
              </td>
              <td align="LEFT" valign="TOP">
                <span class="STRUCTNAME">guint32</span>
              </td>
              <td align="LEFT" valign="TOP">
                Both
              </td>
              <td align="LEFT" valign="TOP">
                Fill color; specified as 32-bit value packing red,
                green, blue, and alpha into bytes 1, 2, 3, and 4;
                alpha of 255 is opaque, 0 is invisible
              </td>
            </tr>
            <tr>
              <td align="LEFT" valign="TOP">
                <span class="STRUCTNAME">fill_stipple</span>
              </td>
              <td align="LEFT" valign="TOP">
                <span class="STRUCTNAME">GdkBitmap*</span>
              </td>
              <td align="LEFT" valign="TOP">
                Both
              </td>
              <td align="LEFT" valign="TOP">
                Stipple to use when drawing line; GDK mode only
              </td>
            </tr>
            <tr>
              <td align="LEFT" valign="TOP">
                <span class="STRUCTNAME">width_pixels</span>
              </td>
              <td align="LEFT" valign="TOP">
                <span class="STRUCTNAME">guint</span>
              </td>
              <td align="LEFT" valign="TOP">
                Write-only
              </td>
              <td align="LEFT" valign="TOP">
                Width of the line, in pixels (independent of zoom)
              </td>
            </tr>
            <tr>
              <td align="LEFT" valign="TOP">
                <span class="STRUCTNAME">width_units</span>
              </td>
              <td align="LEFT" valign="TOP">
                <span class="STRUCTNAME">double</span>
              </td>
              <td align="LEFT" valign="TOP">
                Write-only
              </td>
              <td align="LEFT" valign="TOP">
                Width of the line, in canvas units; pixel width
                changes with zoom factor (pixels per unit)
              </td>
            </tr>
            <tr>
              <td align="LEFT" valign="TOP">
                <span class="STRUCTNAME">cap_style</span>
              </td>
              <td align="LEFT" valign="TOP">
                <span class="STRUCTNAME">GdkCapStyle</span>
              </td>
              <td align="LEFT" valign="TOP">
                Both
              </td>
              <td align="LEFT" valign="TOP">
                Cap style (GDK mode only)
              </td>
            </tr>
            <tr>
              <td align="LEFT" valign="TOP">
                <span class="STRUCTNAME">join_style</span>
              </td>
              <td align="LEFT" valign="TOP">
                <span class="STRUCTNAME">GdkJoinStyle</span>
              </td>
              <td align="LEFT" valign="TOP">
                Both
              </td>
              <td align="LEFT" valign="TOP">
                Join style (GDK mode only)
              </td>
            </tr>
            <tr>
              <td align="LEFT" valign="TOP">
                <span class="STRUCTNAME">line_style</span>
              </td>
              <td align="LEFT" valign="TOP">
                <span class="STRUCTNAME">GdkLineStyle</span>
              </td>
              <td align="LEFT" valign="TOP">
                Both
              </td>
              <td align="LEFT" valign="TOP">
                Line style (GDK mode only)
              </td>
            </tr>
            <tr>
              <td align="LEFT" valign="TOP">
                <span class="STRUCTNAME">first_arrowhead</span>
              </td>
              <td align="LEFT" valign="TOP">
                <span class="STRUCTNAME">gboolean</span>
              </td>
              <td align="LEFT" valign="TOP">
                Both
              </td>
              <td align="LEFT" valign="TOP">
                Whether to put an arrowhead at the start of the
                line
              </td>
            </tr>
            <tr>
              <td align="LEFT" valign="TOP">
                <span class="STRUCTNAME">last_arrowhead</span>
              </td>
              <td align="LEFT" valign="TOP">
                <span class="STRUCTNAME">gboolean</span>
              </td>
              <td align="LEFT" valign="TOP">
                Both
              </td>
              <td align="LEFT" valign="TOP">
                Whether to put an arrowhead at the end of the line
              </td>
            </tr>
            <tr>
              <td align="LEFT" valign="TOP">
                <span class="STRUCTNAME">smooth</span>
              </td>
              <td align="LEFT" valign="TOP">
                <span class="STRUCTNAME">gboolean</span>
              </td>
              <td align="LEFT" valign="TOP">
                Both
              </td>
              <td align="LEFT" valign="TOP">
                Whether to smooth the line using parabolic splines
              </td>
            </tr>
            <tr>
              <td align="LEFT" valign="TOP">
                <span class="STRUCTNAME">spline_steps</span>
              </td>
              <td align="LEFT" valign="TOP">
                <span class="STRUCTNAME">guint</span>
              </td>
              <td align="LEFT" valign="TOP">
                Both
              </td>
              <td align="LEFT" valign="TOP">
                Number of steps to use when rendering curves
              </td>
            </tr>
            <tr>
              <td align="LEFT" valign="TOP">
                <span class="STRUCTNAME">arrow_shape_a</span>
              </td>
              <td align="LEFT" valign="TOP">
                <span class="STRUCTNAME">double</span>
              </td>
              <td align="LEFT" valign="TOP">
                Both
              </td>
              <td align="LEFT" valign="TOP">
                Length of arrowhead
              </td>
            </tr>
            <tr>
              <td align="LEFT" valign="TOP">
                <span class="STRUCTNAME">arrow_shape_b</span>
              </td>
              <td align="LEFT" valign="TOP">
                <span class="STRUCTNAME">double</span>
              </td>
              <td align="LEFT" valign="TOP">
                Both
              </td>
              <td align="LEFT" valign="TOP">
                Length of arrowhead edges (tip to trailing points)
              </td>
            </tr>
            <tr>
              <td align="LEFT" valign="TOP">
                <span class="STRUCTNAME">arrow_shape_c</span>
              </td>
              <td align="LEFT" valign="TOP">
                <span class="STRUCTNAME">double</span>
              </td>
              <td align="LEFT" valign="TOP">
                Both
              </td>
              <td align="LEFT" valign="TOP">
                Width of arrowhead
              </td>
            </tr>
          </table>
        </div>
      </div>
      <div class="SECT2">
        <h2 class="SECT2">
          <a name="SEC-CANVASPOLYGON">Polygon Item</a>
        </h2>
        <p>
          <span class="STRUCTNAME">GnomeCanvasPolygon</span>
          represents a filled polygon; it can be filled or only an
          outline. Unlike <span class="STRUCTNAME">
          GnomeCanvasRE</span>, an unfilled <span class=
          "STRUCTNAME">GnomeCanvasPolygon</span> is not "hollow";
          the transparent portion in the center is part of the
          canvas item. <span class="STRUCTNAME">
          GnomeCanvasLine</span> is used for "hollow" polygons.
        </p>
        <div class="TABLE">
          <a name="TAB-GNOME-CANVAS-POLY"></a>
          <p>
            <b>Table 3. <span class="STRUCTNAME">
            GnomeCanvasPolygon</span> Arguments</b>
          </p>
          <table border="1" bgcolor="#E0E0E0" cellspacing="0"
          cellpadding="4" class="CALSTABLE">
            <tr>
              <th align="LEFT" valign="TOP">
                Name
              </th>
              <th align="LEFT" valign="TOP">
                Type
              </th>
              <th align="LEFT" valign="TOP">
                Read/Write
              </th>
              <th align="LEFT" valign="TOP">
                Description
              </th>
            </tr>
            <tr>
              <td align="LEFT" valign="TOP">
                <span class="STRUCTNAME">points</span>
              </td>
              <td align="LEFT" valign="TOP">
                <span class="STRUCTNAME">GnomeCanvasPoints*</span>
              </td>
              <td align="LEFT" valign="TOP">
                Both
              </td>
              <td align="LEFT" valign="TOP">
                Points in the polygon
              </td>
            </tr>
            <tr>
              <td align="LEFT" valign="TOP">
                <span class="STRUCTNAME">fill_color</span>
              </td>
              <td align="LEFT" valign="TOP">
                <span class="STRUCTNAME">gchar*</span>
              </td>
              <td align="LEFT" valign="TOP">
                Write-only
              </td>
              <td align="LEFT" valign="TOP">
                Fill color; string for <tt class="FUNCTION">
                gdk_color_parse()</tt>, or <span class=
                "STRUCTNAME">NULL</span> for transparent
              </td>
            </tr>
            <tr>
              <td align="LEFT" valign="TOP">
                <span class="STRUCTNAME">fill_color_gdk</span>
              </td>
              <td align="LEFT" valign="TOP">
                <span class="STRUCTNAME">GdkColor*</span>
              </td>
              <td align="LEFT" valign="TOP">
                Both
              </td>
              <td align="LEFT" valign="TOP">
                Fill color; specified as already-allocated <span
                class="STRUCTNAME">GdkColor</span>
              </td>
            </tr>
            <tr>
              <td align="LEFT" valign="TOP">
                <span class="STRUCTNAME">fill_color_rgba</span>
              </td>
              <td align="LEFT" valign="TOP">
                <span class="STRUCTNAME">guint32</span>
              </td>
              <td align="LEFT" valign="TOP">
                Both
              </td>
              <td align="LEFT" valign="TOP">
                Fill color; specified as 32-bit value packing red,
                green, blue, and alpha into bytes 1, 2, 3, and 4;
                alpha of 255 is opaque, 0 is invisible
              </td>
            </tr>
            <tr>
              <td align="LEFT" valign="TOP">
                <span class="STRUCTNAME">outline_color</span>
              </td>
              <td align="LEFT" valign="TOP">
                <span class="STRUCTNAME">gchar*</span>
              </td>
              <td align="LEFT" valign="TOP">
                Write-only
              </td>
              <td align="LEFT" valign="TOP">
                Outline color; string for <tt class="FUNCTION">
                gdk_color_parse</tt>, or <span class="STRUCTNAME">
                NULL</span> for transparent
              </td>
            </tr>
            <tr>
              <td align="LEFT" valign="TOP">
                <span class="STRUCTNAME">outline_color_gdk</span>
              </td>
              <td align="LEFT" valign="TOP">
                <span class="STRUCTNAME">GdkColor*</span>
              </td>
              <td align="LEFT" valign="TOP">
                Both
              </td>
              <td align="LEFT" valign="TOP">
                Outline color; specified as already-allocated <span
                class="STRUCTNAME">GdkColor</span>
              </td>
            </tr>
            <tr>
              <td align="LEFT" valign="TOP">
                <span class="STRUCTNAME">outline_color_rgba</span>
              </td>
              <td align="LEFT" valign="TOP">
                <span class="STRUCTNAME">guint32</span>
              </td>
              <td align="LEFT" valign="TOP">
                Both
              </td>
              <td align="LEFT" valign="TOP">
                Outline color; specified as 32-bit value packing
                red, green, blue, and alpha into bytes 1, 2, 3, and
                4; alpha of 255 is opaque, 0 is invisible
              </td>