<?xml version="1.0" encoding="utf-8"?>
<!--
Copyright (C) 2002-2004 Carl D. Worth, Jamey Sharp, Bart Massey, Josh Triplett
All Rights Reserved.  See the file COPYING in this directory
for licensing information.
-->
<xcb header="render" extension-xname="RENDER" extension-name="Render"
    major-version="0" minor-version="11">
  <!-- supports version 0.11 -->

  <import>xproto</import>

  <enum name="PictType">
    <item name="Indexed"> <value>0</value> </item>
    <item name="Direct">  <value>1</value> </item>
  </enum>

  <enum name="Picture">
    <item name="None"> <value>0</value> </item>
  </enum>

  <!-- Disjoint* and Conjoint* are new in version 0.2 -->
  <!-- PDF blend modes are new in version 0.11 -->
  <enum name="PictOp">
    <item name="Clear">               <value>0</value> </item>
    <item name="Src">                 <value>1</value> </item>
    <item name="Dst">                 <value>2</value> </item>
    <item name="Over">                <value>3</value> </item>
    <item name="OverReverse">         <value>4</value> </item>
    <item name="In">                  <value>5</value> </item>
    <item name="InReverse">           <value>6</value> </item>
    <item name="Out">                 <value>7</value> </item>
    <item name="OutReverse">          <value>8</value> </item>
    <item name="Atop">                <value>9</value> </item>
    <item name="AtopReverse">         <value>10</value> </item>
    <item name="Xor">                 <value>11</value> </item>
    <item name="Add">                 <value>12</value> </item>
    <item name="Saturate">            <value>13</value> </item>
    
    <item name="DisjointClear">       <value>16</value></item>
    <item name="DisjointSrc">         <value>17</value> </item>
    <item name="DisjointDst">         <value>18</value> </item>
    <item name="DisjointOver">        <value>19</value> </item>
    <item name="DisjointOverReverse"> <value>20</value> </item>
    <item name="DisjointIn">          <value>21</value> </item>
    <item name="DisjointInReverse">   <value>22</value> </item>
    <item name="DisjointOut">         <value>23</value> </item>
    <item name="DisjointOutReverse">  <value>24</value> </item>
    <item name="DisjointAtop">        <value>25</value> </item>
    <item name="DisjointAtopReverse"> <value>26</value> </item>
    <item name="DisjointXor">         <value>27</value> </item>
    
    <item name="ConjointClear">       <value>32</value></item>
    <item name="ConjointSrc">         <value>33</value> </item>
    <item name="ConjointDst">         <value>34</value> </item>
    <item name="ConjointOver">        <value>35</value> </item>
    <item name="ConjointOverReverse"> <value>36</value> </item>
    <item name="ConjointIn">          <value>37</value> </item>
    <item name="ConjointInReverse">   <value>38</value> </item>
    <item name="ConjointOut">         <value>39</value> </item>
    <item name="ConjointOutReverse">  <value>40</value> </item>
    <item name="ConjointAtop">        <value>41</value> </item>
    <item name="ConjointAtopReverse"> <value>42</value> </item>
    <item name="ConjointXor">         <value>43</value> </item>

    <!-- PDF blend modes are new in version 0.11 -->
    <item name="Multiply">            <value>48</value></item>
    <item name="Screen">              <value>49</value> </item>
    <item name="Overlay">             <value>50</value> </item>
    <item name="Darken">              <value>51</value> </item>
    <item name="Lighten">             <value>52</value> </item>
    <item name="ColorDodge">          <value>53</value> </item>
    <item name="ColorBurn">           <value>54</value> </item>
    <item name="HardLight">           <value>55</value> </item>
    <item name="SoftLight">           <value>56</value> </item>
    <item name="Difference">          <value>57</value> </item>
    <item name="Exclusion">           <value>58</value> </item>
    <item name="HSLHue">              <value>59</value> </item>
    <item name="HSLSaturation">       <value>60</value> </item>
    <item name="HSLColor">            <value>61</value> </item>
    <item name="HSLLuminosity">       <value>62</value> </item>
  </enum>

  <enum name="PolyEdge">
    <item name="Sharp">  <value>0</value> </item>
    <item name="Smooth"> <value>1</value> </item>
  </enum>

  <enum name="PolyMode">
    <item name="Precise">   <value>0</value> </item>
    <item name="Imprecise"> <value>1</value> </item>
  </enum>

  <enum name="CP">
    <item name="Repeat">          <bit>0</bit></item>
    <item name="AlphaMap">        <bit>1</bit></item>
    <item name="AlphaXOrigin">    <bit>2</bit></item>
    <item name="AlphaYOrigin">    <bit>3</bit></item>
    <item name="ClipXOrigin">     <bit>4</bit></item>
    <item name="ClipYOrigin">     <bit>5</bit></item>
    <item name="ClipMask">        <bit>6</bit></item>
    <item name="GraphicsExposure"><bit>7</bit></item>
    <item name="SubwindowMode">   <bit>8</bit></item>
    <item name="PolyEdge">        <bit>9</bit></item>
    <item name="PolyMode">        <bit>10</bit></item>
    <item name="Dither">          <bit>11</bit></item>
    <item name="ComponentAlpha">  <bit>12</bit></item>
  </enum>

  <enum name="SubPixel">
    <item name="Unknown">       <value>0</value> </item>
    <item name="HorizontalRGB"> <value>1</value> </item>
    <item name="HorizontalBGR"> <value>2</value> </item>
    <item name="VerticalRGB">   <value>3</value> </item>
    <item name="VerticalBGR">   <value>4</value> </item>
    <item name="None">          <value>5</value> </item>
  </enum>

  <!-- Extended repeat attributes introduced in 0.10 -->
  <enum name="Repeat">
    <item name="None">    <value>0</value> </item>
    <item name="Normal">  <value>1</value> </item>
    <item name="Pad">     <value>2</value> </item>
    <item name="Reflect"> <value>3</value> </item>
  </enum>

  <typedef oldname="CARD32" newname="GLYPH" />
  <xidtype name="GLYPHSET" />

  <xidtype name="PICTURE" />
  <xidtype name="PICTFORMAT" />

  <typedef oldname="INT32" newname="FIXED" />

  <error name="PictFormat" number="0" />
  <error name="Picture" number="1" />
  <error name="PictOp" number="2" />
  <error name="GlyphSet" number="3" />
  <error name="Glyph" number="4" />

  <struct name="DIRECTFORMAT">
    <field type="CARD16" name="red_shift" />
    <field type="CARD16" name="red_mask" />
    <field type="CARD16" name="green_shift" />
    <field type="CARD16" name="green_mask" />
    <field type="CARD16" name="blue_shift" />
    <field type="CARD16" name="blue_mask" />
    <field type="CARD16" name="alpha_shift" />
    <field type="CARD16" name="alpha_mask" />
  </struct>

  <struct name="PICTFORMINFO">
    <field type="PICTFORMAT" name="id" />
    <field type="CARD8" name="type" enum="PictType" />
    <field type="CARD8" name="depth" />
    <pad bytes="2" />
    <field type="DIRECTFORMAT" name="direct" />
    <field type="COLORMAP" name="colormap" />
  </struct>

  <struct name="PICTVISUAL">
    <field type="VISUALID" name="visual" />
    <field type="PICTFORMAT" name="format" />
  </struct>

  <struct name="PICTDEPTH">
    <field type="CARD8" name="depth" />
    <pad bytes="1" />
    <field type="CARD16" name="num_visuals" />
    <pad bytes="4" />
    <list type="PICTVISUAL" name="visuals">
      <fieldref>num_visuals</fieldref>
    </list>
  </struct>

  <struct name="PICTSCREEN">
    <field type="CARD32" name="num_depths" />
    <field type="PICTFORMAT" name="fallback" />
    <list type="PICTDEPTH" name="depths">
      <fieldref>num_depths</fieldref>
    </list>
  </struct>

  <struct name="INDEXVALUE">
    <field type="CARD32" name="pixel" />
    <field type="CARD16" name="red" />
    <field type="CARD16" name="green" />
    <field type="CARD16" name="blue" />
    <field type="CARD16" name="alpha" />
  </struct>

  <struct name="COLOR">
    <field type="CARD16" name="red" />
    <field type="CARD16" name="green" />
    <field type="CARD16" name="blue" />
    <field type="CARD16" name="alpha" />
  </struct>

  <struct name="POINTFIX">
    <field type="FIXED" name="x" />
    <field type="FIXED" name="y" />
  </struct>

  <struct name="LINEFIX">
    <field type="POINTFIX" name="p1" />
    <field type="POINTFIX" name="p2" />
  </struct>

  <struct name="TRIANGLE">
    <field type="POINTFIX" name="p1" />
    <field type="POINTFIX" name="p2" />
    <field type="POINTFIX" name="p3" />
  </struct>

  <struct name="TRAPEZOID">
    <field type="FIXED" name="top" />
    <field type="FIXED" name="bottom" />
    <field type="LINEFIX" name="left" />
    <field type="LINEFIX" name="right" />
  </struct>

  <struct name="GLYPHINFO">
    <field type="CARD16" name="width" />
    <field type="CARD16" name="height" />
    <field type="INT16" name="x" />
    <field type="INT16" name="y" />
    <field type="INT16" name="x_off" />
    <field type="INT16" name="y_off" />
  </struct>


  <request name="QueryVersion" opcode="0">
    <field type="CARD32" name="client_major_version" />
    <field type="CARD32" name="client_minor_version" />
    <reply>
      <pad bytes="1" />
      <field type="CARD32" name="major_version" />
      <field type="CARD32" name="minor_version" />
      <pad bytes="16" />
    </reply>
  </request>

  <request name="QueryPictFormats" opcode="1">
    <reply>
      <pad bytes="1" />
      <field type="CARD32" name="num_formats" />
      <field type="CARD32" name="num_screens" />
      <field type="CARD32" name="num_depths" />
      <field type="CARD32" name="num_visuals" />
      <field type="CARD32" name="num_subpixel" /> <!-- new in version 0.6 -->
      <pad bytes="4" />
      <list type="PICTFORMINFO" name="formats">
        <fieldref>num_formats</fieldref>
      </list>
      <list type="PICTSCREEN" name="screens">
        <fieldref>num_screens</fieldref>
      </list>
      <list type="CARD32" name="subpixels" enum="SubPixel" >
        <fieldref>num_subpixel</fieldref>
      </list>
    </reply>
  </request>

  <!-- from version 0.7 -->
  <request name="QueryPictIndexValues" opcode="2">
    <field type="PICTFORMAT" name="format" />
    <reply>
      <pad bytes="1" />
      <field type="CARD32" name="num_values" />
      <pad bytes="20" />
      <list type="INDEXVALUE" name="values">
        <fieldref>num_values</fieldref>
      </list>
    </reply>
  </request>

  <!-- opcode 3 reserved for QueryDithers -->

  <request name="CreatePicture" opcode="4">
    <field type="PICTURE" name="pid" />
    <field type="DRAWABLE" name="drawable" />
    <field type="PICTFORMAT" name="format" />
    <field type="CARD32" name="value_mask" mask="CP"/>
    <switch name="value_list">
      <fieldref>value_mask</fieldref>
      <bitcase>
        <enumref ref="CP">Repeat</enumref>
        <field type="CARD32" name="repeat" enum="Repeat"/>
      </bitcase>
      <bitcase>
        <enumref ref="CP">AlphaMap</enumref>
        <field type="PICTURE" name="alphamap" />
      </bitcase>
      <bitcase>
        <enumref ref="CP">AlphaXOrigin</enumref>
        <field type="INT32" name="alphaxorigin" />
      </bitcase>
      <bitcase>
        <enumref ref="CP">AlphaYOrigin</enumref>
        <field type="INT32" name="alphayorigin" />
      </bitcase>
      <bitcase>
        <enumref ref="CP">ClipXOrigin</enumref>
        <field type="INT32" name="clipxorigin" />
      </bitcase>
      <bitcase>
        <enumref ref="CP">ClipYOrigin</enumref>
        <field type="INT32" name="clipyorigin" />
      </bitcase>
      <bitcase>
        <enumref ref="CP">ClipMask</enumref>
        <field type="PIXMAP" name="clipmask" />
      </bitcase>
      <bitcase>
        <enumref ref="CP">GraphicsExposure</enumref>
        <field type="CARD32" name="graphicsexposure" />
      </bitcase>
      <bitcase>
        <enumref ref="CP">SubwindowMode</enumref>
        <field type="CARD32" name="subwindowmode" enum="SubwindowMode"/>
      </bitcase>
      <bitcase>
        <enumref ref="CP">PolyEdge</enumref>
        <field type="CARD32" name="polyedge" enum="PolyEdge"/>
      </bitcase>
      <bitcase>
        <enumref ref="CP">PolyMode</enumref>
        <field type="CARD32" name="polymode" enum="PolyMode"/>
      </bitcase>
      <bitcase>
        <enumref ref="CP">Dither</enumref>
        <field type="ATOM" name="dither" />
      </bitcase>
      <bitcase>
        <enumref ref="CP">ComponentAlpha</enumref>
        <field type="CARD32" name="componentalpha" />
      </bitcase>
    </switch>
  </request>

  <request name="ChangePicture" opcode="5">
    <field type="PICTURE" name="picture" />
    <field type="CARD32" name="value_mask" mask="CP"/>
    <switch name="value_list">
      <fieldref>value_mask</fieldref>
      <bitcase>
        <enumref ref="CP">Repeat</enumref>
        <field type="CARD32" name="repeat" enum="Repeat"/>
      </bitcase>
      <bitcase>
        <enumref ref="CP">AlphaMap</enumref>
        <field type="PICTURE" name="alphamap" />
      </bitcase>
      <bitcase>
        <enumref ref="CP">AlphaXOrigin</enumref>
        <field type="INT32" name="alphaxorigin" />
      </bitcase>
      <bitcase>
        <enumref ref="CP">AlphaYOrigin</enumref>
        <field type="INT32" name="alphayorigin" />
      </bitcase>
      <bitcase>
        <enumref ref="CP">ClipXOrigin</enumref>
        <field type="INT32" name="clipxorigin" />
      </bitcase>
      <bitcase>
        <enumref ref="CP">ClipYOrigin</enumref>
        <field type="INT32" name="clipyorigin" />
      </bitcase>
      <bitcase>
        <enumref ref="CP">ClipMask</enumref>
        <field type="PIXMAP" name="clipmask" />
      </bitcase>
      <bitcase>
        <enumref ref="CP">GraphicsExposure</enumref>
        <field type="CARD32" name="graphicsexposure" />
      </bitcase>
      <bitcase>
        <enumref ref="CP">SubwindowMode</enumref>
        <field type="CARD32" name="subwindowmode" enum="SubwindowMode"/>
      </bitcase>
      <bitcase>
        <enumref ref="CP">PolyEdge</enumref>
        <field type="CARD32" name="polyedge" enum="PolyEdge"/>
      </bitcase>
      <bitcase>
        <enumref ref="CP">PolyMode</enumref>
        <field type="CARD32" name="polymode" enum="PolyMode"/>
      </bitcase>
      <bitcase>
        <enumref ref="CP">Dither</enumref>
        <field type="ATOM" name="dither" />
      </bitcase>
      <bitcase>
        <enumref ref="CP">ComponentAlpha</enumref>
        <field type="CARD32" name="componentalpha" />
      </bitcase>
    </switch>
  </request>

  <request name="SetPictureClipRectangles" opcode="6">
    <field type="PICTURE" name="picture" />
    <field type="INT16" name="clip_x_origin" />
    <field type="INT16" name="clip_y_origin" />
    <list type="RECTANGLE" name="rectangles" />
  </request>

  <request name="FreePicture" opcode="7">
    <field type="PICTURE" name="picture" />
  </request>

  <request name="Composite" opcode="8">
    <field type="CARD8" name="op" enum="PictOp" />
    <pad bytes="3" />
    <field type="PICTURE" name="src" />
    <field type="PICTURE" name="mask" altenum="Picture" />
    <field type="PICTURE" name="dst" />
    <field type="INT16" name="src_x" />
    <field type="INT16" name="src_y" />
    <field type="INT16" name="mask_x" />
    <field type="INT16" name="mask_y" />
    <field type="INT16" name="dst_x" />
    <field type="INT16" name="dst_y" />
    <field type="CARD16" name="width" />
    <field type="CARD16" name="height" />
  </request>

  <!-- opcode 9 reserved for Scale -->

  <request name="Trapezoids" opcode="10">
    <field type="CARD8" name="op" enum="PictOp" />
    <pad bytes="3" />
    <field type="PICTURE" name="src" />
    <field type="PICTURE" name="dst" />
    <field type="PICTFORMAT" name="mask_format" />
    <field type="INT16" name="src_x" />
    <field type="INT16" name="src_y" />
    <list type="TRAPEZOID" name="traps" />
  </request>

  <request name="Triangles" opcode="11">
    <field type="CARD8" name="op" enum="PictOp" />
    <pad bytes="3" />
    <field type="PICTURE" name="src" />
    <field type="PICTURE" name="dst" />
    <field type="PICTFORMAT" name="mask_format" />
    <field type="INT16" name="src_x" />
    <field type="INT16" name="src_y" />
    <list type="TRIANGLE" name="triangles" />
  </request>

  <request name="TriStrip" opcode="12">
    <field type="CARD8" name="op" enum="PictOp" />
    <pad bytes="3" />
    <field type="PICTURE" name="src" />
    <field type="PICTURE" name="dst" />
    <field type="PICTFORMAT" name="mask_format" />
    <field type="INT16" name="src_x" />
    <field type="INT16" name="src_y" />
    <list type="POINTFIX" name="points" />
  </request>

  <request name="TriFan" opcode="13">
    <field type="CARD8" name="op" enum="PictOp" />
    <pad bytes="3" />
    <field type="PICTURE" name="src" />
    <field type="PICTURE" name="dst" />
    <field type="PICTFORMAT" name="mask_format" />
    <field type="INT16" name="src_x" />
    <field type="INT16" name="src_y" />
    <list type="POINTFIX" name="points" />
  </request>

  <!-- opcode 14 reserved for ColorTrapezoids -->

  <!-- opcode 15 reserved for ColorTriangles -->

  <!-- opcode 16 reserved for Transform -->

  <request name="CreateGlyphSet" opcode="17">
    <field type="GLYPHSET" name="gsid" />
    <field type="PICTFORMAT" name="format" />
  </request>

  <request name="ReferenceGlyphSet" opcode="18">
    <field type="GLYPHSET" name="gsid" />
    <field type="GLYPHSET" name="existing" />
  </request>

  <request name="FreeGlyphSet" opcode="19">
    <field type="GLYPHSET" name="glyphset" />
  </request>

  <request name="AddGlyphs" opcode="20">
    <field type="GLYPHSET" name="glyphset" />
    <field type="CARD32" name="glyphs_len" />
    <list type="CARD32" name="glyphids">
      <fieldref>glyphs_len</fieldref>
    </list>
    <list type="GLYPHINFO" name="glyphs">
      <fieldref>glyphs_len</fieldref>
    </list>
    <list type="BYTE" name="data" />
  </request>

  <!-- opcode 21 reserved for AddGlyphsFromPicture -->

  <request name="FreeGlyphs" opcode="22">
    <field type="GLYPHSET" name="glyphset" />
    <list type="GLYPH" name="glyphs" />
  </request>

  <request name="CompositeGlyphs8" opcode="23">
    <field type="CARD8" name="op" enum="PictOp" />
    <pad bytes="3" />
    <field type="PICTURE" name="src" />
    <field type="PICTURE" name="dst" />
    <field type="PICTFORMAT" name="mask_format" />
    <field type="GLYPHSET" name="glyphset" />
    <field type="INT16" name="src_x" />
    <field type="INT16" name="src_y" />
    <list type="BYTE" name="glyphcmds" />
  </request>

  <request name="CompositeGlyphs16" opcode="24">
    <field type="CARD8" name="op" enum="PictOp" />
    <pad bytes="3" />
    <field type="PICTURE" name="src" />
    <field type="PICTURE" name="dst" />
    <field type="PICTFORMAT" name="mask_format" />
    <field type="GLYPHSET" name="glyphset" />
    <field type="INT16" name="src_x" />
    <field type="INT16" name="src_y" />
    <list type="BYTE" name="glyphcmds" />
  </request>

  <request name="CompositeGlyphs32" opcode="25">
    <field type="CARD8" name="op" enum="PictOp" />
    <pad bytes="3" />
    <field type="PICTURE" name="src" />
    <field type="PICTURE" name="dst" />
    <field type="PICTFORMAT" name="mask_format" />
    <field type="GLYPHSET" name="glyphset" />
    <field type="INT16" name="src_x" />
    <field type="INT16" name="src_y" />
    <list type="BYTE" name="glyphcmds" />
  </request>

  <!-- new in version 0.1 -->

  <request name="FillRectangles" opcode="26">
    <field type="CARD8" name="op" enum="PictOp" />
    <pad bytes="3" />
    <field type="PICTURE" name="dst" />
    <field type="COLOR" name="color" />
    <list type="RECTANGLE" name="rects" />
  </request>

  <!-- new in version 0.5 -->

  <request name="CreateCursor" opcode="27">
    <field type="CURSOR" name="cid" />
    <field type="PICTURE" name="source" />
    <field type="CARD16" name="x" />
    <field type="CARD16" name="y" />
  </request>

  <!-- new in version 0.6 -->

  <struct name="TRANSFORM">
    <field type="FIXED" name="matrix11" />
    <field type="FIXED" name="matrix12" />
    <field type="FIXED" name="matrix13" />
    <field type="FIXED" name="matrix21" />
    <field type="FIXED" name="matrix22" />
    <field type="FIXED" name="matrix23" />
    <field type="FIXED" name="matrix31" />
    <field type="FIXED" name="matrix32" />
    <field type="FIXED" name="matrix33" />
  </struct>

  <request name="SetPictureTransform" opcode="28">
    <field type="PICTURE" name="picture" />
    <field type="TRANSFORM" name="transform" />
  </request>

  <request name="QueryFilters" opcode="29">
    <field type="DRAWABLE" name="drawable" />
    <reply>
      <pad bytes="1" />
      <field type="CARD32" name="num_aliases" />
      <field type="CARD32" name="num_filters" />
      <pad bytes="16" />
      <list type="CARD16" name="aliases">
        <fieldref>num_aliases</fieldref>
      </list>
      <list type="STR" name="filters">
        <fieldref>num_filters</fieldref>
      </list>
    </reply>
  </request>

  <request name="SetPictureFilter" opcode="30">
    <field type="PICTURE" name="picture" />
    <field type="CARD16" name="filter_len" />
    <pad bytes="2" />
    <list type="char" name="filter">
      <fieldref>filter_len</fieldref>
    </list>
    <pad align="4" />
    <list type="FIXED" name="values" />
  </request>

  <!-- new in version 0.8 -->

  <struct name="ANIMCURSORELT">
    <field type="CURSOR" name="cursor" />
    <field type="CARD32" name="delay" />
  </struct>

  <request name="CreateAnimCursor" opcode="31">
    <field type="CURSOR" name="cid" />
    <list type="ANIMCURSORELT" name="cursors" />
  </request>

  <!-- new in version 0.9 -->
 
  <struct name="SPANFIX">
    <field type="FIXED" name="l" />
    <field type="FIXED" name="r" />
    <field type="FIXED" name="y" />
  </struct>

  <struct name="TRAP">
    <field type="SPANFIX" name="top" />
    <field type="SPANFIX" name="bot" />
  </struct>

  <request name="AddTraps" opcode="32">
    <field type="PICTURE" name="picture" />
    <field type="INT16" name="x_off" />
    <field type="INT16" name="y_off" />
    <list type="TRAP" name="traps" />
  </request>
  
  <!-- new in version 0.10 -->

  <request name="CreateSolidFill" opcode="33">
    <field type="PICTURE" name="picture" />
    <field type="COLOR" name="color" />
  </request>

  <request name="CreateLinearGradient" opcode="34">
    <field type="PICTURE" name="picture" />
    <field type="POINTFIX" name="p1" />
    <field type="POINTFIX" name="p2" />
    <field type="CARD32" name="num_stops" />
    <list type="FIXED" name="stops">
      <fieldref>num_stops</fieldref>
    </list>
    <list type="COLOR" name="colors">
      <fieldref>num_stops</fieldref>
    </list>
  </request>

  <request name="CreateRadialGradient" opcode="35">
    <field type="PICTURE" name="picture" />
    <field type="POINTFIX" name="inner" />
    <field type="POINTFIX" name="outer" />
    <field type="FIXED" name="inner_radius" />
    <field type="FIXED" name="outer_radius" />
    <field type="CARD32" name="num_stops" />
    <list type="FIXED" name="stops">
      <fieldref>num_stops</fieldref>
    </list>
    <list type="COLOR" name="colors">
      <fieldref>num_stops</fieldref>
    </list>
  </request>

  <request name="CreateConicalGradient" opcode="36">
    <field type="PICTURE" name="picture" />
    <field type="POINTFIX" name="center" />
    <field type="FIXED" name="angle" />        <!-- degrees -->
    <field type="CARD32" name="num_stops" />
    <list type="FIXED" name="stops">
      <fieldref>num_stops</fieldref>
    </list>
    <list type="COLOR" name="colors">
      <fieldref>num_stops</fieldref>
    </list>
  </request>
</xcb>
