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<td align="LEFT" valign="TOP"> Font name for <tt class="FUNCTION"> gdk_font_load()</tt> </td> </tr> <tr> <td align="LEFT" valign="TOP"> <span class="STRUCTNAME">fontset</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"> Fontset name for <tt class="FUNCTION"> gdk_fontset_load()</tt> </td> </tr> <tr> <td align="LEFT" valign="TOP"> <span class="STRUCTNAME">font_gdk</span> </td> <td align="LEFT" valign="TOP"> <span class="STRUCTNAME">GdkFont*</span> </td> <td align="LEFT" valign="TOP"> Both </td> <td align="LEFT" valign="TOP"> Font for rendering the text </td> </tr> <tr> <td align="LEFT" valign="TOP"> <span class="STRUCTNAME">justification</span> </td> <td align="LEFT" valign="TOP"> <span class="STRUCTNAME">GtkJustification</span> </td> <td align="LEFT" valign="TOP"> Both </td> <td align="LEFT" valign="TOP"> Justification (multiline text only) </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">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 text; GDK mode only </td> </tr> <tr> <td align="LEFT" valign="TOP"> <span class="STRUCTNAME">clip_width</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 clip rectangle in canvas units </td> </tr> <tr> <td align="LEFT" valign="TOP"> <span class="STRUCTNAME">clip_height</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"> Height of clip rectangle in canvas units </td> </tr> <tr> <td align="LEFT" valign="TOP"> <span class="STRUCTNAME">clip</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"> Enables or disables clipping </td> </tr> <tr> <td align="LEFT" valign="TOP"> <span class="STRUCTNAME">x_offset</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"> Horizontal offset to add to X position </td> </tr> <tr> <td align="LEFT" valign="TOP"> <span class="STRUCTNAME">y_offset</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"> Vertical offset to add to Y position </td> </tr> <tr> <td align="LEFT" valign="TOP"> <span class="STRUCTNAME">text_width</span> </td> <td align="LEFT" valign="TOP"> <span class="STRUCTNAME">double</span> </td> <td align="LEFT" valign="TOP"> Read-only </td> <td align="LEFT" valign="TOP"> Width of rendered text </td> </tr> <tr> <td align="LEFT" valign="TOP"> <span class="STRUCTNAME">text_height</span> </td> <td align="LEFT" valign="TOP"> <span class="STRUCTNAME">double</span> </td> <td align="LEFT" valign="TOP"> Read-only </td> <td align="LEFT" valign="TOP"> Height of rendered text </td> </tr> </table> </div> </div> <div class="SECT2"> <h2 class="SECT2"> <a name="SEC-CANVASWIDGET">Widget Item</a> </h2> <p> The <span class="STRUCTNAME">GnomeCanvasWidget</span> item places a widget on the canvas. The canvas item emulates a container widget, passing a size allocation to the widget it holds. You can specify an anchor point for the widget item, just as you can for <span class= "STRUCTNAME">GnomeCanvasText</span>. </p> <div class="TABLE"> <a name="TAB-GNOME-CANVAS-WIDGET"></a> <p> <b>Table 6. <span class="STRUCTNAME"> GnomeCanvasWidget</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">widget</span> </td> <td align="LEFT" valign="TOP"> <span class="STRUCTNAME">GtkWidget*</span> </td> <td align="LEFT" valign="TOP"> Both </td> <td align="LEFT" valign="TOP"> Widget to display </td> </tr> <tr> <td align="LEFT" valign="TOP"> <span class="STRUCTNAME">x</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"> X coordinate of the anchor point </td> </tr> <tr> <td align="LEFT" valign="TOP"> <span class="STRUCTNAME">y</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"> Y coordinate of the anchor point </td> </tr> <tr> <td align="LEFT" valign="TOP"> <span class="STRUCTNAME">anchor</span> </td> <td align="LEFT" valign="TOP"> <span class="STRUCTNAME">GtkAnchorType</span> </td> <td align="LEFT" valign="TOP"> Both </td> <td align="LEFT" valign="TOP"> Location of anchor point </td> </tr> <tr> <td align="LEFT" valign="TOP"> <span class="STRUCTNAME">width</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 widget </td> </tr> <tr> <td align="LEFT" valign="TOP"> <span class="STRUCTNAME">height</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"> Height of widget </td> </tr> <tr> <td align="LEFT" valign="TOP"> <span class="STRUCTNAME">size_pixels</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"> Specifies how to interpret the <span class= "STRUCTNAME">width</span> and <span class= "STRUCTNAME">height</span> argument; if <span class="STRUCTNAME">TRUE</span>, they are in pixels; if <span class="STRUCTNAME">FALSE</span>, they are in canvas units </td> </tr> </table> </div> </div> </div> <div class="NAVFOOTER"> <br> <br> <table width="100%" border="0" bgcolor="#ffffff" cellpadding= "1" cellspacing="0"> <tr> <td width="25%" bgcolor="#ffffff" align="left"> <a href="z177.html"><font color="#0000ff" size="2"><b> <<< Previous</b></font></a> </td> <td width="25%" colspan="2" bgcolor="#ffffff" align= "center"> <font color="#0000ff" size="2"><b><a href="ggad.html"> <font color="#0000ff" size="2"><b> Home</b></font></a></b></font> </td> <td width="25%" bgcolor="#ffffff" align="right"> <a href="cha-canvasitem.html"><font color="#0000ff" size="2"><b>Next >>></b></font></a> </td> </tr> <tr> <td colspan="2" align="left"> <font color="#000000" size="2"><b>Using the Canvas</b></font> </td> <td colspan="2" align="right"> <font color="#000000" size="2"><b>Writing a <span class="STRUCTNAME">GnomeCanvasItem</span></b></font> </td> </tr> </table> </div> </body></html>?? 快捷鍵說明
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