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https://bitbucket.org/alexei-matveev/petsc-debian-pkg
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  1. <center><a href="xops.c">Actual source code: xops.c</a></center><br>
    2. 

  2. 

  3. <html>
    4. 

  4. <head> <link rel="canonical" href="http://www.mcs.anl.gov/petsc/petsc-current/src/sys/draw/impls/x/xops.c.html" />
    5. 

  5. <title></title>
    6. 

  6. <meta name="generator" content="c2html 0.9.5">
    7. 

  7. <meta name="date" content="2012-08-29T16:33:55+00:00">
    8. 

  8. </head>
    9. 

  9. 

  10. <body bgcolor="#FFFFFF">
    11. 

  11.    <div id="version" align=right><b>petsc-3.3-p3 2012-08-29</b></div>
    12. 

  12. <pre width="80">
    13. 

  13. <a name="line2">  2: </a><font color="#B22222">/*</font>
    14. 

  14. <a name="line3">  3: </a><font color="#B22222">    Defines the operations for the X <A href="../../../../../docs/manualpages/Draw/PetscDraw.html#PetscDraw">PetscDraw</A> implementation.</font>
    15. 

  15. <a name="line4">  4: </a><font color="#B22222">*/</font>
    16. 

  16. 

  17. <a name="line6">  6: </a><font color="#A020F0">#include &lt;../src/sys/draw/impls/x/ximpl.h&gt;         </font><font color="#B22222">/*I  "petscsys.h" I*/</font><font color="#A020F0"></font>
    18. 

  18. 

  19. <a name="line8">  8: </a><font color="#B22222">/*</font>
    20. 

  20. <a name="line9">  9: </a><font color="#B22222">     These macros transform from the users coordinates to the </font>
    21. 

  21. <a name="line10"> 10: </a><font color="#B22222">   X-window pixel coordinates.</font>
    22. 

  22. <a name="line11"> 11: </a><font color="#B22222">*/</font>
    23. 

  23. <a name="line12"> 12: </a><strong><font color="#228B22">#define XTRANS(draw,xwin,x) \</font></strong>
    24. 

  24. <a name="line13"> 13: </a><strong><font color="#228B22">   (int)(((xwin)-&gt;w)*((draw)-&gt;port_xl + (((x - (draw)-&gt;coor_xl)*((draw)-&gt;port_xr - (draw)-&gt;port_xl))/((draw)-&gt;coor_xr - (draw)-&gt;coor_xl))))</font></strong>
    25. 

  25. <a name="line14"> 14: </a><strong><font color="#228B22">#define YTRANS(draw,xwin,y) \</font></strong>
    26. 

  26. <a name="line15"> 15: </a><strong><font color="#228B22">   (int)(((xwin)-&gt;h)*(1.0-(draw)-&gt;port_yl - (((y - (draw)-&gt;coor_yl)*((draw)-&gt;port_yr - (draw)-&gt;port_yl))/((draw)-&gt;coor_yr - (draw)-&gt;coor_yl))))</font></strong>
    27. 

  27. 

  28. <a name="line19"> 19: </a><strong><font color="#4169E1"><a name="PetscDrawLine_X"></a><A href="../../../../../docs/manualpages/Sys/PetscErrorCode.html#PetscErrorCode">PetscErrorCode</A> PetscDrawLine_X(<A href="../../../../../docs/manualpages/Draw/PetscDraw.html#PetscDraw">PetscDraw</A> draw,<A href="../../../../../docs/manualpages/Sys/PetscReal.html#PetscReal">PetscReal</A> xl,<A href="../../../../../docs/manualpages/Sys/PetscReal.html#PetscReal">PetscReal</A> yl,<A href="../../../../../docs/manualpages/Sys/PetscReal.html#PetscReal">PetscReal</A> xr,<A href="../../../../../docs/manualpages/Sys/PetscReal.html#PetscReal">PetscReal</A> yr,int cl)</font></strong>
    29. 

  29. <a name="line20"> 20: </a>{
    30. 

  30. <a name="line21"> 21: </a>  PetscDraw_X* XiWin = (PetscDraw_X*)draw-&gt;data;
    31. 

  31. <a name="line22"> 22: </a>  int          x1,y_1,x2,y2;
    32. 

  32. 

  33. <a name="line25"> 25: </a>  PetscDrawXiSetColor(XiWin,cl);
    34. 

  34. <a name="line26"> 26: </a>  x1 = XTRANS(draw,XiWin,xl);   x2  = XTRANS(draw,XiWin,xr);
    35. 

  35. <a name="line27"> 27: </a>  y_1 = YTRANS(draw,XiWin,yl);   y2  = YTRANS(draw,XiWin,yr);
    36. 

  36. <a name="line28"> 28: </a>  <font color="#4169E1">if</font> (x1 == x2 &amp;&amp; y_1 == y2) <font color="#4169E1">return</font>(0);
    37. 

  37. <a name="line29"> 29: </a>  XDrawLine(XiWin-&gt;disp,PetscDrawXiDrawable(XiWin),XiWin-&gt;gc.set,x1,y_1,x2,y2);
    38. 

  38. <a name="line30"> 30: </a>  <font color="#4169E1">return</font>(0);
    39. 

  39. <a name="line31"> 31: </a>}
    40. 

  40. 

  41. <a name="line35"> 35: </a><strong><font color="#4169E1"><a name="PetscDrawArrow_X"></a><A href="../../../../../docs/manualpages/Sys/PetscErrorCode.html#PetscErrorCode">PetscErrorCode</A> PetscDrawArrow_X(<A href="../../../../../docs/manualpages/Draw/PetscDraw.html#PetscDraw">PetscDraw</A> draw,<A href="../../../../../docs/manualpages/Sys/PetscReal.html#PetscReal">PetscReal</A> xl,<A href="../../../../../docs/manualpages/Sys/PetscReal.html#PetscReal">PetscReal</A> yl,<A href="../../../../../docs/manualpages/Sys/PetscReal.html#PetscReal">PetscReal</A> xr,<A href="../../../../../docs/manualpages/Sys/PetscReal.html#PetscReal">PetscReal</A> yr,int cl)</font></strong>
    42. 

  42. <a name="line36"> 36: </a>{
    43. 

  43. <a name="line37"> 37: </a>  PetscDraw_X* XiWin = (PetscDraw_X*)draw-&gt;data;
    44. 

  44. <a name="line38"> 38: </a>  int          x1,y_1,x2,y2;
    45. 

  45. 

  46. <a name="line41"> 41: </a>  PetscDrawXiSetColor(XiWin,cl);
    47. 

  47. <a name="line42"> 42: </a>  x1 = XTRANS(draw,XiWin,xl);   x2  = XTRANS(draw,XiWin,xr);
    48. 

  48. <a name="line43"> 43: </a>  y_1 = YTRANS(draw,XiWin,yl);   y2  = YTRANS(draw,XiWin,yr);
    49. 

  49. <a name="line44"> 44: </a>  <font color="#4169E1">if</font> (x1 == x2 &amp;&amp; y_1 == y2) <font color="#4169E1">return</font>(0);
    50. 

  50. <a name="line45"> 45: </a>  XDrawLine(XiWin-&gt;disp,PetscDrawXiDrawable(XiWin),XiWin-&gt;gc.set,x1,y_1,x2,y2);
    51. 

  51. <a name="line46"> 46: </a>  <font color="#4169E1">if</font> (x1 == x2 &amp;&amp; PetscAbs(y_1 - y2) &gt; 7) {
    52. 

  52. <a name="line47"> 47: </a>    <font color="#4169E1">if</font> (y2 &gt; y_1) {
    53. 

  53. <a name="line48"> 48: </a>       XDrawLine(XiWin-&gt;disp,PetscDrawXiDrawable(XiWin),XiWin-&gt;gc.set,x2,y2,x2-3,y2-3);
    54. 

  54. <a name="line49"> 49: </a>       XDrawLine(XiWin-&gt;disp,PetscDrawXiDrawable(XiWin),XiWin-&gt;gc.set,x2,y2,x2+3,y2-3);
    55. 

  55. <a name="line50"> 50: </a>    } <font color="#4169E1">else</font> {
    56. 

  56. <a name="line51"> 51: </a>       XDrawLine(XiWin-&gt;disp,PetscDrawXiDrawable(XiWin),XiWin-&gt;gc.set,x2,y2,x2-3,y2+3);
    57. 

  57. <a name="line52"> 52: </a>       XDrawLine(XiWin-&gt;disp,PetscDrawXiDrawable(XiWin),XiWin-&gt;gc.set,x2,y2,x2+3,y2+3);
    58. 

  58. <a name="line53"> 53: </a>    }
    59. 

  59. <a name="line54"> 54: </a>  }
    60. 

  60. <a name="line55"> 55: </a>  <font color="#4169E1">return</font>(0);
    61. 

  61. <a name="line56"> 56: </a>}
    62. 

  62. 

  63. <a name="line60"> 60: </a><strong><font color="#4169E1"><a name="PetscDrawPoint_X"></a>static <A href="../../../../../docs/manualpages/Sys/PetscErrorCode.html#PetscErrorCode">PetscErrorCode</A> PetscDrawPoint_X(<A href="../../../../../docs/manualpages/Draw/PetscDraw.html#PetscDraw">PetscDraw</A> draw,<A href="../../../../../docs/manualpages/Sys/PetscReal.html#PetscReal">PetscReal</A> x,<A href="../../../../../docs/manualpages/Sys/PetscReal.html#PetscReal">PetscReal</A>  y,int c)</font></strong>
    64. 

  64. <a name="line61"> 61: </a>{
    65. 

  65. <a name="line62"> 62: </a>  int          xx,yy;
    66. 

  66. <a name="line63"> 63: </a>  PetscDraw_X* XiWin = (PetscDraw_X*)draw-&gt;data;
    67. 

  67. 

  68. <a name="line66"> 66: </a>  xx = XTRANS(draw,XiWin,x);  yy = YTRANS(draw,XiWin,y);
    69. 

  69. <a name="line67"> 67: </a>  PetscDrawXiSetColor(XiWin,c);
    70. 

  70. <a name="line68"> 68: </a>  XDrawPoint(XiWin-&gt;disp,PetscDrawXiDrawable(XiWin),XiWin-&gt;gc.set,xx,yy);
    71. 

  71. <a name="line69"> 69: </a>  <font color="#4169E1">return</font>(0);
    72. 

  72. <a name="line70"> 70: </a>}
    73. 

  73. 

  74. <a name="line74"> 74: </a><strong><font color="#4169E1"><a name="PetscDrawRectangle_X"></a>static <A href="../../../../../docs/manualpages/Sys/PetscErrorCode.html#PetscErrorCode">PetscErrorCode</A> PetscDrawRectangle_X(<A href="../../../../../docs/manualpages/Draw/PetscDraw.html#PetscDraw">PetscDraw</A> draw,<A href="../../../../../docs/manualpages/Sys/PetscReal.html#PetscReal">PetscReal</A> xl,<A href="../../../../../docs/manualpages/Sys/PetscReal.html#PetscReal">PetscReal</A> yl,<A href="../../../../../docs/manualpages/Sys/PetscReal.html#PetscReal">PetscReal</A> xr,<A href="../../../../../docs/manualpages/Sys/PetscReal.html#PetscReal">PetscReal</A> yr,int c1,int c2,int c3,int c4)</font></strong>
    75. 

  75. <a name="line75"> 75: </a>{
    76. 

  76. <a name="line76"> 76: </a>  PetscDraw_X* XiWin = (PetscDraw_X*)draw-&gt;data;
    77. 

  77. <a name="line77"> 77: </a>  int          x1,y_1,w,h,c = (c1 + c2 + c3 + c4)/4;
    78. 

  78. 

  79. <a name="line80"> 80: </a>  PetscDrawXiSetColor(XiWin,c);
    80. 

  80. <a name="line81"> 81: </a>  x1 = XTRANS(draw,XiWin,xl);   w  = XTRANS(draw,XiWin,xr) - x1;
    81. 

  81. <a name="line82"> 82: </a>  y_1 = YTRANS(draw,XiWin,yr);   h  = YTRANS(draw,XiWin,yl) - y_1;
    82. 

  82. <a name="line83"> 83: </a>  <font color="#4169E1">if</font> (w &lt;= 0) w = 1; <font color="#4169E1">if</font> (h &lt;= 0) h = 1;
    83. 

  83. <a name="line84"> 84: </a>  XFillRectangle(XiWin-&gt;disp,PetscDrawXiDrawable(XiWin),XiWin-&gt;gc.set,x1,y_1,w,h);
    84. 

  84. <a name="line85"> 85: </a>  <font color="#4169E1">return</font>(0);
    85. 

  85. <a name="line86"> 86: </a>}
    86. 

  86. 

  87. <a name="line90"> 90: </a><strong><font color="#4169E1"><a name="PetscDrawEllipse_X"></a>static <A href="../../../../../docs/manualpages/Sys/PetscErrorCode.html#PetscErrorCode">PetscErrorCode</A> PetscDrawEllipse_X(<A href="../../../../../docs/manualpages/Draw/PetscDraw.html#PetscDraw">PetscDraw</A> Win, <A href="../../../../../docs/manualpages/Sys/PetscReal.html#PetscReal">PetscReal</A> x, <A href="../../../../../docs/manualpages/Sys/PetscReal.html#PetscReal">PetscReal</A> y, <A href="../../../../../docs/manualpages/Sys/PetscReal.html#PetscReal">PetscReal</A> a, <A href="../../../../../docs/manualpages/Sys/PetscReal.html#PetscReal">PetscReal</A> b, int c)</font></strong>
    88. 

  88. <a name="line91"> 91: </a>{
    89. 

  89. <a name="line92"> 92: </a>  PetscDraw_X* XiWin = (PetscDraw_X*) Win-&gt;data;
    90. 

  90. <a name="line93"> 93: </a>  int          xA, yA, w, h;
    91. 

  91. 

  92. <a name="line96"> 96: </a>  PetscDrawXiSetColor(XiWin, c);
    93. 

  93. <a name="line97"> 97: </a>  xA = XTRANS(Win, XiWin, x - a/2.0); w = XTRANS(Win, XiWin, x + a/2.0) - xA;
    94. 

  94. <a name="line98"> 98: </a>  yA = YTRANS(Win, XiWin, y + b/2.0); h = YTRANS(Win, XiWin, y - b/2.0) - yA;
    95. 

  95. <a name="line99"> 99: </a>  XFillArc(XiWin-&gt;disp, PetscDrawXiDrawable(XiWin), XiWin-&gt;gc.set, xA, yA, w, h, 0, 23040);
    96. 

  96. <a name="line100">100: </a>  <font color="#4169E1">return</font>(0);
    97. 

  97. <a name="line101">101: </a>}
    98. 

  98. 

  99. <a name="line103">103: </a><strong><font color="#4169E1">extern <A href="../../../../../docs/manualpages/Sys/PetscErrorCode.html#PetscErrorCode">PetscErrorCode</A> PetscDrawInterpolatedTriangle_X(PetscDraw_X*,int,int,int,int,int,int,int,int,int)</font></strong>;
    100. 

  100. 

  101. <a name="line107">107: </a><strong><font color="#4169E1"><a name="PetscDrawTriangle_X"></a>static <A href="../../../../../docs/manualpages/Sys/PetscErrorCode.html#PetscErrorCode">PetscErrorCode</A> PetscDrawTriangle_X(<A href="../../../../../docs/manualpages/Draw/PetscDraw.html#PetscDraw">PetscDraw</A> draw,<A href="../../../../../docs/manualpages/Sys/PetscReal.html#PetscReal">PetscReal</A> X1,<A href="../../../../../docs/manualpages/Sys/PetscReal.html#PetscReal">PetscReal</A> Y_1,<A href="../../../../../docs/manualpages/Sys/PetscReal.html#PetscReal">PetscReal</A> X2,<A href="../../../../../docs/manualpages/Sys/PetscReal.html#PetscReal">PetscReal</A> Y2,<A href="../../../../../docs/manualpages/Sys/PetscReal.html#PetscReal">PetscReal</A> X3,<A href="../../../../../docs/manualpages/Sys/PetscReal.html#PetscReal">PetscReal</A> Y3,int c1,int c2,int c3)</font></strong>
    102. 

  102. <a name="line108">108: </a>{
    103. 

  103. <a name="line109">109: </a>  PetscDraw_X*   XiWin = (PetscDraw_X*)draw-&gt;data;
    104. 

  104. 

  105. <a name="line113">113: </a>  <font color="#4169E1">if</font> (c1 == c2 &amp;&amp; c2 == c3) {
    106. 

  106. <a name="line114">114: </a>    XPoint pt[3];
    107. 

  107. <a name="line115">115: </a>    PetscDrawXiSetColor(XiWin,c1);
    108. 

  108. <a name="line116">116: </a>    pt[0].x = XTRANS(draw,XiWin,X1);
    109. 

  109. <a name="line117">117: </a>    pt[0].y = YTRANS(draw,XiWin,Y_1);
    110. 

  110. <a name="line118">118: </a>    pt[1].x = XTRANS(draw,XiWin,X2);
    111. 

  111. <a name="line119">119: </a>    pt[1].y = YTRANS(draw,XiWin,Y2);
    112. 

  112. <a name="line120">120: </a>    pt[2].x = XTRANS(draw,XiWin,X3);
    113. 

  113. <a name="line121">121: </a>    pt[2].y = YTRANS(draw,XiWin,Y3);
    114. 

  114. <a name="line122">122: </a>    XFillPolygon(XiWin-&gt;disp,PetscDrawXiDrawable(XiWin),XiWin-&gt;gc.set,pt,3,Convex,CoordModeOrigin);
    115. 

  115. <a name="line123">123: </a>  } <font color="#4169E1">else</font> {
    116. 

  116. <a name="line124">124: </a>    int x1,y_1,x2,y2,x3,y3;
    117. 

  117. <a name="line125">125: </a>    x1   = XTRANS(draw,XiWin,X1);
    118. 

  118. <a name="line126">126: </a>    y_1  = YTRANS(draw,XiWin,Y_1);
    119. 

  119. <a name="line127">127: </a>    x2   = XTRANS(draw,XiWin,X2);
    120. 

  120. <a name="line128">128: </a>    y2   = YTRANS(draw,XiWin,Y2);
    121. 

  121. <a name="line129">129: </a>    x3   = XTRANS(draw,XiWin,X3);
    122. 

  122. <a name="line130">130: </a>    y3   = YTRANS(draw,XiWin,Y3);
    123. 

  123. <a name="line131">131: </a>    PetscDrawInterpolatedTriangle_X(XiWin,x1,y_1,c1,x2,y2,c2,x3,y3,c3);
    124. 

  124. <a name="line132">132: </a>  }
    125. 

  125. <a name="line133">133: </a>  <font color="#4169E1">return</font>(0);
    126. 

  126. <a name="line134">134: </a>}
    127. 

  127. 

  128. <a name="line138">138: </a><strong><font color="#4169E1"><a name="PetscDrawString_X"></a>static <A href="../../../../../docs/manualpages/Sys/PetscErrorCode.html#PetscErrorCode">PetscErrorCode</A> PetscDrawString_X(<A href="../../../../../docs/manualpages/Draw/PetscDraw.html#PetscDraw">PetscDraw</A> draw,<A href="../../../../../docs/manualpages/Sys/PetscReal.html#PetscReal">PetscReal</A> x,<A href="../../../../../docs/manualpages/Sys/PetscReal.html#PetscReal">PetscReal</A>  y,int c,const char chrs[])</font></strong>
    129. 

  129. <a name="line139">139: </a>{
    130. 

  130. <a name="line141">141: </a>  int            xx,yy;
    131. 

  131. <a name="line142">142: </a>  size_t         len;
    132. 

  132. <a name="line143">143: </a>  PetscDraw_X    *XiWin = (PetscDraw_X*)draw-&gt;data;
    133. 

  133. <a name="line144">144: </a>  char           *substr;
    134. 

  134. <a name="line145">145: </a>  <A href="../../../../../docs/manualpages/Sys/PetscToken.html#PetscToken">PetscToken</A>     token;
    135. 

  135. 

  136. <a name="line148">148: </a>  xx = XTRANS(draw,XiWin,x);  yy = YTRANS(draw,XiWin,y);
    137. 

  137. <a name="line149">149: </a>  PetscDrawXiSetColor(XiWin,c);
    138. 

  138. <a name="line150">150: </a>
    139. 

  139. <a name="line151">151: </a>  <A href="../../../../../docs/manualpages/Sys/PetscTokenCreate.html#PetscTokenCreate">PetscTokenCreate</A>(chrs,'\n',&amp;token);
    140. 

  140. <a name="line152">152: </a>  <A href="../../../../../docs/manualpages/Sys/PetscTokenFind.html#PetscTokenFind">PetscTokenFind</A>(token,&amp;substr);
    141. 

  141. <a name="line153">153: </a>  <A href="../../../../../docs/manualpages/Sys/PetscStrlen.html#PetscStrlen">PetscStrlen</A>(substr,&amp;len);
    142. 

  142. <a name="line154">154: </a>  XDrawString(XiWin-&gt;disp,PetscDrawXiDrawable(XiWin),XiWin-&gt;gc.set,xx,yy - XiWin-&gt;font-&gt;font_descent,substr,len);
    143. 

  143. <a name="line155">155: </a>  <A href="../../../../../docs/manualpages/Sys/PetscTokenFind.html#PetscTokenFind">PetscTokenFind</A>(token,&amp;substr);
    144. 

  144. <a name="line156">156: </a>  <font color="#4169E1">while</font> (substr) {
    145. 

  145. <a name="line157">157: </a>    yy  += 4*XiWin-&gt;font-&gt;font_descent;
    146. 

  146. <a name="line158">158: </a>    <A href="../../../../../docs/manualpages/Sys/PetscStrlen.html#PetscStrlen">PetscStrlen</A>(substr,&amp;len);
    147. 

  147. <a name="line159">159: </a>    XDrawString(XiWin-&gt;disp,PetscDrawXiDrawable(XiWin),XiWin-&gt;gc.set,xx,yy - XiWin-&gt;font-&gt;font_descent,substr,len);
    148. 

  148. <a name="line160">160: </a>    <A href="../../../../../docs/manualpages/Sys/PetscTokenFind.html#PetscTokenFind">PetscTokenFind</A>(token,&amp;substr);
    149. 

  149. <a name="line161">161: </a>  }
    150. 

  150. <a name="line162">162: </a>  <A href="../../../../../docs/manualpages/Sys/PetscTokenDestroy.html#PetscTokenDestroy">PetscTokenDestroy</A>(&amp;token);
    151. 

  151. 

  152. <a name="line164">164: </a>  <font color="#4169E1">return</font>(0);
    153. 

  153. <a name="line165">165: </a>}
    154. 

  154. 

  155. <a name="line167">167: </a><strong><font color="#4169E1">extern <A href="../../../../../docs/manualpages/Sys/PetscErrorCode.html#PetscErrorCode">PetscErrorCode</A> PetscDrawXiFontFixed(PetscDraw_X*,int,int,PetscDrawXiFont **)</font></strong>;
    156. 

  156. 

  157. <a name="line171">171: </a><strong><font color="#4169E1"><a name="PetscDrawStringSetSize_X"></a>static <A href="../../../../../docs/manualpages/Sys/PetscErrorCode.html#PetscErrorCode">PetscErrorCode</A> PetscDrawStringSetSize_X(<A href="../../../../../docs/manualpages/Draw/PetscDraw.html#PetscDraw">PetscDraw</A> draw,<A href="../../../../../docs/manualpages/Sys/PetscReal.html#PetscReal">PetscReal</A> x,<A href="../../../../../docs/manualpages/Sys/PetscReal.html#PetscReal">PetscReal</A>  y)</font></strong>
    158. 

  158. <a name="line172">172: </a>{
    159. 

  159. <a name="line173">173: </a>  PetscDraw_X*   XiWin = (PetscDraw_X*)draw-&gt;data;
    160. 

  160. <a name="line175">175: </a>  int            w,h;
    161. 

  161. 

  162. <a name="line178">178: </a>  w = (int)((XiWin-&gt;w)*x*(draw-&gt;port_xr - draw-&gt;port_xl)/(draw-&gt;coor_xr - draw-&gt;coor_xl));
    163. 

  163. <a name="line179">179: </a>  h = (int)((XiWin-&gt;h)*y*(draw-&gt;port_yr - draw-&gt;port_yl)/(draw-&gt;coor_yr - draw-&gt;coor_yl));
    164. 

  164. <a name="line180">180: </a>  <A href="../../../../../docs/manualpages/Sys/PetscFree.html#PetscFree">PetscFree</A>(XiWin-&gt;font);
    165. 

  165. <a name="line181">181: </a>  PetscDrawXiFontFixed(XiWin,w,h,&amp;XiWin-&gt;font);
    166. 

  166. <a name="line182">182: </a>  <font color="#4169E1">return</font>(0);
    167. 

  167. <a name="line183">183: </a>}
    168. 

  168. 

  169. <a name="line187">187: </a><strong><font color="#4169E1"><a name="PetscDrawStringGetSize_X"></a><A href="../../../../../docs/manualpages/Sys/PetscErrorCode.html#PetscErrorCode">PetscErrorCode</A> PetscDrawStringGetSize_X(<A href="../../../../../docs/manualpages/Draw/PetscDraw.html#PetscDraw">PetscDraw</A> draw,<A href="../../../../../docs/manualpages/Sys/PetscReal.html#PetscReal">PetscReal</A> *x,<A href="../../../../../docs/manualpages/Sys/PetscReal.html#PetscReal">PetscReal</A>  *y)</font></strong>
    170. 

  170. <a name="line188">188: </a>{
    171. 

  171. <a name="line189">189: </a>  PetscDraw_X* XiWin = (PetscDraw_X*)draw-&gt;data;
    172. 

  172. <a name="line190">190: </a>  <A href="../../../../../docs/manualpages/Sys/PetscReal.html#PetscReal">PetscReal</A>    w,h;
    173. 

  173. 

  174. <a name="line193">193: </a>  w = XiWin-&gt;font-&gt;font_w; h = XiWin-&gt;font-&gt;font_h;
    175. 

  175. <a name="line194">194: </a>  *x = w*(draw-&gt;coor_xr - draw-&gt;coor_xl)/((XiWin-&gt;w)*(draw-&gt;port_xr - draw-&gt;port_xl));
    176. 

  176. <a name="line195">195: </a>  *y = h*(draw-&gt;coor_yr - draw-&gt;coor_yl)/((XiWin-&gt;h)*(draw-&gt;port_yr - draw-&gt;port_yl));
    177. 

  177. <a name="line196">196: </a>  <font color="#4169E1">return</font>(0);
    178. 

  178. <a name="line197">197: </a>}
    179. 

  179. 

  180. <a name="line201">201: </a><strong><font color="#4169E1"><a name="PetscDrawStringVertical_X"></a><A href="../../../../../docs/manualpages/Sys/PetscErrorCode.html#PetscErrorCode">PetscErrorCode</A> PetscDrawStringVertical_X(<A href="../../../../../docs/manualpages/Draw/PetscDraw.html#PetscDraw">PetscDraw</A> draw,<A href="../../../../../docs/manualpages/Sys/PetscReal.html#PetscReal">PetscReal</A> x,<A href="../../../../../docs/manualpages/Sys/PetscReal.html#PetscReal">PetscReal</A>  y,int c,const char chrs[])</font></strong>
    181. 

  181. <a name="line202">202: </a>{
    182. 

  182. <a name="line204">204: </a>  int            xx,yy;
    183. 

  183. <a name="line205">205: </a>  PetscDraw_X    *XiWin = (PetscDraw_X*)draw-&gt;data;
    184. 

  184. <a name="line206">206: </a>  char           tmp[2];
    185. 

  185. <a name="line207">207: </a>  <A href="../../../../../docs/manualpages/Sys/PetscReal.html#PetscReal">PetscReal</A>      tw,th;
    186. 

  186. <a name="line208">208: </a>  size_t         i,n;
    187. 

  187. <a name="line209">209: </a>
    188. 

  188. <a name="line211">211: </a>  <A href="../../../../../docs/manualpages/Sys/PetscStrlen.html#PetscStrlen">PetscStrlen</A>(chrs,&amp;n);
    189. 

  189. <a name="line212">212: </a>  tmp[1] = 0;
    190. 

  190. <a name="line213">213: </a>  PetscDrawXiSetColor(XiWin,c);
    191. 

  191. <a name="line214">214: </a>  PetscDrawStringGetSize_X(draw,&amp;tw,&amp;th);
    192. 

  192. <a name="line215">215: </a>  xx = XTRANS(draw,XiWin,x);
    193. 

  193. <a name="line216">216: </a>  <font color="#4169E1">for</font> (i=0; i&lt;n; i++) {
    194. 

  194. <a name="line217">217: </a>    tmp[0] = chrs[i];
    195. 

  195. <a name="line218">218: </a>    yy = YTRANS(draw,XiWin,y-th*i);
    196. 

  196. <a name="line219">219: </a>    XDrawString(XiWin-&gt;disp,PetscDrawXiDrawable(XiWin),XiWin-&gt;gc.set, xx,yy - XiWin-&gt;font-&gt;font_descent,tmp,1);
    197. 

  197. <a name="line220">220: </a>  }
    198. 

  198. <a name="line221">221: </a>  <font color="#4169E1">return</font>(0);
    199. 

  199. <a name="line222">222: </a>}
    200. 

  200. 

  201. <a name="line226">226: </a><strong><font color="#4169E1"><a name="PetscDrawFlush_X"></a>static <A href="../../../../../docs/manualpages/Sys/PetscErrorCode.html#PetscErrorCode">PetscErrorCode</A> PetscDrawFlush_X(<A href="../../../../../docs/manualpages/Draw/PetscDraw.html#PetscDraw">PetscDraw</A> draw)</font></strong>
    202. 

  202. <a name="line227">227: </a>{
    203. 

  203. <a name="line228">228: </a>  PetscDraw_X* XiWin = (PetscDraw_X*)draw-&gt;data;
    204. 

  204. 

  205. <a name="line231">231: </a>  <font color="#4169E1">if</font> (XiWin-&gt;drw) {
    206. 

  206. <a name="line232">232: </a>    XCopyArea(XiWin-&gt;disp,XiWin-&gt;drw,XiWin-&gt;win,XiWin-&gt;gc.set,0,0,XiWin-&gt;w,XiWin-&gt;h,0,0);
    207. 

  207. <a name="line233">233: </a>  }
    208. 

  208. <a name="line234">234: </a>  XFlush(XiWin-&gt;disp); XSync(XiWin-&gt;disp,False);
    209. 

  209. <a name="line235">235: </a>  <font color="#4169E1">return</font>(0);
    210. 

  210. <a name="line236">236: </a>}
    211. 

  211. 

  212. <a name="line240">240: </a><strong><font color="#4169E1"><a name="PetscDrawSynchronizedFlush_X"></a>static <A href="../../../../../docs/manualpages/Sys/PetscErrorCode.html#PetscErrorCode">PetscErrorCode</A> PetscDrawSynchronizedFlush_X(<A href="../../../../../docs/manualpages/Draw/PetscDraw.html#PetscDraw">PetscDraw</A> draw)</font></strong>
    213. 

  213. <a name="line241">241: </a>{
    214. 

  214. <a name="line243">243: </a>  <A href="../../../../../docs/manualpages/Sys/PetscMPIInt.html#PetscMPIInt">PetscMPIInt</A>    rank;
    215. 

  215. <a name="line244">244: </a>  PetscDraw_X*   XiWin = (PetscDraw_X*)draw-&gt;data;
    216. 

  216. 

  217. <a name="line247">247: </a>  XFlush(XiWin-&gt;disp);
    218. 

  218. <a name="line248">248: </a>  <font color="#4169E1">if</font> (XiWin-&gt;drw) {
    219. 

  219. <a name="line249">249: </a>    <A href="http://www.mcs.anl.gov/mpi/www/www3/MPI_Comm_rank.html#MPI_Comm_rank">MPI_Comm_rank</A>(((<A href="../../../../../docs/manualpages/Sys/PetscObject.html#PetscObject">PetscObject</A>)draw)-&gt;comm,&amp;rank);
    220. 

  220. <a name="line250">250: </a>    <font color="#B22222">/* make sure data has actually arrived at server */</font>
    221. 

  221. <a name="line251">251: </a>    XSync(XiWin-&gt;disp,False);
    222. 

  222. <a name="line252">252: </a>    <A href="http://www.mcs.anl.gov/mpi/www/www3/MPI_Barrier.html#MPI_Barrier">MPI_Barrier</A>(((<A href="../../../../../docs/manualpages/Sys/PetscObject.html#PetscObject">PetscObject</A>)draw)-&gt;comm);
    223. 

  223. <a name="line253">253: </a>    <font color="#4169E1">if</font> (!rank) {
    224. 

  224. <a name="line254">254: </a>      XCopyArea(XiWin-&gt;disp,XiWin-&gt;drw,XiWin-&gt;win,XiWin-&gt;gc.set,0,0,XiWin-&gt;w,XiWin-&gt;h,0,0);
    225. 

  225. <a name="line255">255: </a>      XFlush(XiWin-&gt;disp);
    226. 

  226. <a name="line256">256: </a>    }
    227. 

  227. <a name="line257">257: </a>    XSync(XiWin-&gt;disp,False);
    228. 

  228. <a name="line258">258: </a>    <A href="http://www.mcs.anl.gov/mpi/www/www3/MPI_Barrier.html#MPI_Barrier">MPI_Barrier</A>(((<A href="../../../../../docs/manualpages/Sys/PetscObject.html#PetscObject">PetscObject</A>)draw)-&gt;comm);
    229. 

  229. <a name="line259">259: </a>  } <font color="#4169E1">else</font> {
    230. 

  230. <a name="line260">260: </a>    <A href="http://www.mcs.anl.gov/mpi/www/www3/MPI_Barrier.html#MPI_Barrier">MPI_Barrier</A>(((<A href="../../../../../docs/manualpages/Sys/PetscObject.html#PetscObject">PetscObject</A>)draw)-&gt;comm);
    231. 

  231. <a name="line261">261: </a>    XSync(XiWin-&gt;disp,False);
    232. 

  232. <a name="line262">262: </a>    <A href="http://www.mcs.anl.gov/mpi/www/www3/MPI_Barrier.html#MPI_Barrier">MPI_Barrier</A>(((<A href="../../../../../docs/manualpages/Sys/PetscObject.html#PetscObject">PetscObject</A>)draw)-&gt;comm);
    233. 

  233. <a name="line263">263: </a>  }
    234. 

  234. <a name="line264">264: </a>  <font color="#4169E1">return</font>(0);
    235. 

  235. <a name="line265">265: </a>}
    236. 

  236. 

  237. <a name="line269">269: </a><strong><font color="#4169E1"><a name="PetscDrawSetViewport_X"></a>static <A href="../../../../../docs/manualpages/Sys/PetscErrorCode.html#PetscErrorCode">PetscErrorCode</A> PetscDrawSetViewport_X(<A href="../../../../../docs/manualpages/Draw/PetscDraw.html#PetscDraw">PetscDraw</A> draw,<A href="../../../../../docs/manualpages/Sys/PetscReal.html#PetscReal">PetscReal</A> xl,<A href="../../../../../docs/manualpages/Sys/PetscReal.html#PetscReal">PetscReal</A> yl,<A href="../../../../../docs/manualpages/Sys/PetscReal.html#PetscReal">PetscReal</A> xr,<A href="../../../../../docs/manualpages/Sys/PetscReal.html#PetscReal">PetscReal</A> yr)</font></strong>
    238. 

  238. <a name="line270">270: </a>{
    239. 

  239. <a name="line271">271: </a>  PetscDraw_X* XiWin = (PetscDraw_X*)draw-&gt;data;
    240. 

  240. <a name="line272">272: </a>  XRectangle   box;
    241. 

  241. 

  242. <a name="line275">275: </a>  box.x = (int)(xl*XiWin-&gt;w);   box.y = (int)((1.0-yr)*XiWin-&gt;h);
    243. 

  243. <a name="line276">276: </a>  box.width = (int)((xr-xl)*XiWin-&gt;w);box.height = (int)((yr-yl)*XiWin-&gt;h);
    244. 

  244. <a name="line277">277: </a>  XSetClipRectangles(XiWin-&gt;disp,XiWin-&gt;gc.set,0,0,&amp;box,1,Unsorted);
    245. 

  245. <a name="line278">278: </a>  <font color="#4169E1">return</font>(0);
    246. 

  246. <a name="line279">279: </a>}
    247. 

  247. 

  248. <a name="line283">283: </a><strong><font color="#4169E1"><a name="PetscDrawClear_X"></a>static <A href="../../../../../docs/manualpages/Sys/PetscErrorCode.html#PetscErrorCode">PetscErrorCode</A> PetscDrawClear_X(<A href="../../../../../docs/manualpages/Draw/PetscDraw.html#PetscDraw">PetscDraw</A> draw)</font></strong>
    249. 

  249. <a name="line284">284: </a>{
    250. 

  250. <a name="line285">285: </a>  PetscDraw_X*   XiWin = (PetscDraw_X*)draw-&gt;data;
    251. 

  251. <a name="line286">286: </a>  int            x, y, w, h;
    252. 

  252. 

  253. <a name="line290">290: </a>  <A href="../../../../../docs/manualpages/Draw/PetscDrawSave.html#PetscDrawSave">PetscDrawSave</A>(draw);
    254. 

  254. <a name="line291">291: </a>  x = (int)(draw-&gt;port_xl*XiWin-&gt;w);
    255. 

  255. <a name="line292">292: </a>  w = (int)((draw-&gt;port_xr - draw-&gt;port_xl)*XiWin-&gt;w);
    256. 

  256. <a name="line293">293: </a>  y = (int)((1.0-draw-&gt;port_yr)*XiWin-&gt;h);
    257. 

  257. <a name="line294">294: </a>  h = (int)((draw-&gt;port_yr - draw-&gt;port_yl)*XiWin-&gt;h);
    258. 

  258. <a name="line295">295: </a>  PetscDrawXiSetPixVal(XiWin,XiWin-&gt;background);
    259. 

  259. <a name="line296">296: </a>  XFillRectangle(XiWin-&gt;disp,PetscDrawXiDrawable(XiWin),XiWin-&gt;gc.set,x,y,w,h);
    260. 

  260. <a name="line297">297: </a>  <font color="#4169E1">return</font>(0);
    261. 

  261. <a name="line298">298: </a>}
    262. 

  262. 

  263. <a name="line302">302: </a><strong><font color="#4169E1"><a name="PetscDrawSynchronizedClear_X"></a>static <A href="../../../../../docs/manualpages/Sys/PetscErrorCode.html#PetscErrorCode">PetscErrorCode</A> PetscDrawSynchronizedClear_X(<A href="../../../../../docs/manualpages/Draw/PetscDraw.html#PetscDraw">PetscDraw</A> draw)</font></strong>
    264. 

  264. <a name="line303">303: </a>{
    265. 

  265. <a name="line305">305: </a>  <A href="../../../../../docs/manualpages/Sys/PetscMPIInt.html#PetscMPIInt">PetscMPIInt</A>    rank;
    266. 

  266. <a name="line306">306: </a>  PetscDraw_X*   XiWin = (PetscDraw_X*)draw-&gt;data;
    267. 

  267. 

  268. <a name="line309">309: </a>  <A href="http://www.mcs.anl.gov/mpi/www/www3/MPI_Barrier.html#MPI_Barrier">MPI_Barrier</A>(((<A href="../../../../../docs/manualpages/Sys/PetscObject.html#PetscObject">PetscObject</A>)draw)-&gt;comm);
    269. 

  269. <a name="line310">310: </a>  <A href="http://www.mcs.anl.gov/mpi/www/www3/MPI_Comm_rank.html#MPI_Comm_rank">MPI_Comm_rank</A>(((<A href="../../../../../docs/manualpages/Sys/PetscObject.html#PetscObject">PetscObject</A>)draw)-&gt;comm,&amp;rank);
    270. 

  270. <a name="line311">311: </a>  <font color="#4169E1">if</font> (!rank) {
    271. 

  271. <a name="line312">312: </a>    PetscDrawClear_X(draw);
    272. 

  272. <a name="line313">313: </a>  }
    273. 

  273. <a name="line314">314: </a>  XFlush(XiWin-&gt;disp);
    274. 

  274. <a name="line315">315: </a>  <A href="http://www.mcs.anl.gov/mpi/www/www3/MPI_Barrier.html#MPI_Barrier">MPI_Barrier</A>(((<A href="../../../../../docs/manualpages/Sys/PetscObject.html#PetscObject">PetscObject</A>)draw)-&gt;comm);
    275. 

  275. <a name="line316">316: </a>  XSync(XiWin-&gt;disp,False);
    276. 

  276. <a name="line317">317: </a>  <A href="http://www.mcs.anl.gov/mpi/www/www3/MPI_Barrier.html#MPI_Barrier">MPI_Barrier</A>(((<A href="../../../../../docs/manualpages/Sys/PetscObject.html#PetscObject">PetscObject</A>)draw)-&gt;comm);
    277. 

  277. <a name="line318">318: </a>  <font color="#4169E1">return</font>(0);
    278. 

  278. <a name="line319">319: </a>}
    279. 

  279. 

  280. <a name="line323">323: </a><strong><font color="#4169E1"><a name="PetscDrawSetDoubleBuffer_X"></a>static <A href="../../../../../docs/manualpages/Sys/PetscErrorCode.html#PetscErrorCode">PetscErrorCode</A> PetscDrawSetDoubleBuffer_X(<A href="../../../../../docs/manualpages/Draw/PetscDraw.html#PetscDraw">PetscDraw</A> draw)</font></strong>
    281. 

  281. <a name="line324">324: </a>{
    282. 

  282. <a name="line325">325: </a>  PetscDraw_X*   win = (PetscDraw_X*)draw-&gt;data;
    283. 

  283. <a name="line327">327: </a>  <A href="../../../../../docs/manualpages/Sys/PetscMPIInt.html#PetscMPIInt">PetscMPIInt</A>   rank;
    284. 

  284. 

  285. <a name="line330">330: </a>  <font color="#4169E1">if</font> (win-&gt;drw) <font color="#4169E1">return</font>(0);
    286. 

  286. 

  287. <a name="line332">332: </a>  <A href="http://www.mcs.anl.gov/mpi/www/www3/MPI_Comm_rank.html#MPI_Comm_rank">MPI_Comm_rank</A>(((<A href="../../../../../docs/manualpages/Sys/PetscObject.html#PetscObject">PetscObject</A>)draw)-&gt;comm,&amp;rank);
    288. 

  288. <a name="line333">333: </a>  <font color="#4169E1">if</font> (!rank) {
    289. 

  289. <a name="line334">334: </a>    win-&gt;drw = XCreatePixmap(win-&gt;disp,win-&gt;win,win-&gt;w,win-&gt;h,win-&gt;depth);
    290. 

  290. <a name="line335">335: </a>  }
    291. 

  291. <a name="line336">336: </a>  <font color="#B22222">/* try to make sure it is actually done before passing info to all */</font>
    292. 

  292. <a name="line337">337: </a>  XSync(win-&gt;disp,False);
    293. 

  293. <a name="line338">338: </a>  <A href="http://www.mcs.anl.gov/mpi/www/www3/MPI_Bcast.html#MPI_Bcast">MPI_Bcast</A>(&amp;win-&gt;drw,1,MPI_UNSIGNED_LONG,0,((<A href="../../../../../docs/manualpages/Sys/PetscObject.html#PetscObject">PetscObject</A>)draw)-&gt;comm);
    294. 

  294. <a name="line339">339: </a>  <font color="#4169E1">return</font>(0);
    295. 

  295. <a name="line340">340: </a>}
    296. 

  296. 

  297. <a name="line342">342: </a><font color="#A020F0">#include &lt;X11/cursorfont.h&gt;</font>
    298. 

  298. 

  299. <a name="line346">346: </a><strong><font color="#4169E1"><a name="PetscDrawGetMouseButton_X"></a>static <A href="../../../../../docs/manualpages/Sys/PetscErrorCode.html#PetscErrorCode">PetscErrorCode</A> PetscDrawGetMouseButton_X(<A href="../../../../../docs/manualpages/Draw/PetscDraw.html#PetscDraw">PetscDraw</A> draw,<A href="../../../../../docs/manualpages/Draw/PetscDrawButton.html#PetscDrawButton">PetscDrawButton</A> *button,<A href="../../../../../docs/manualpages/Sys/PetscReal.html#PetscReal">PetscReal</A>* x_user,<A href="../../../../../docs/manualpages/Sys/PetscReal.html#PetscReal">PetscReal</A> *y_user,<A href="../../../../../docs/manualpages/Sys/PetscReal.html#PetscReal">PetscReal</A> *x_phys,<A href="../../../../../docs/manualpages/Sys/PetscReal.html#PetscReal">PetscReal</A> *y_phys)</font></strong>
    300. 

  300. <a name="line347">347: </a>{
    301. 

  301. <a name="line348">348: </a>  XEvent       report;
    302. 

  302. <a name="line349">349: </a>  PetscDraw_X* win = (PetscDraw_X*)draw-&gt;data;
    303. 

  303. <a name="line350">350: </a>  Window       root,child;
    304. 

  304. <a name="line351">351: </a>  int          root_x,root_y,px,py;
    305. 

  305. <a name="line352">352: </a>  unsigned int keys_button;
    306. 

  306. <a name="line353">353: </a>  Cursor       cursor = 0;
    307. 

  307. 

  308. <a name="line356">356: </a>  <font color="#B22222">/* change cursor to indicate input */</font>
    309. 

  309. <a name="line357">357: </a>  <font color="#4169E1">if</font> (!cursor) {
    310. 

  310. <a name="line358">358: </a>    cursor = XCreateFontCursor(win-&gt;disp,XC_hand2);
    311. 

  311. <a name="line359">359: </a>    <font color="#4169E1">if</font> (!cursor) <A href="../../../../../docs/manualpages/Sys/SETERRQ.html#SETERRQ">SETERRQ</A>(<A href="../../../../../docs/manualpages/Sys/PETSC_COMM_SELF.html#PETSC_COMM_SELF">PETSC_COMM_SELF</A>,PETSC_ERR_LIB,<font color="#666666">"Unable to create X cursor"</font>);
    312. 

  312. <a name="line360">360: </a>  }
    313. 

  313. <a name="line361">361: </a>  XDefineCursor(win-&gt;disp,win-&gt;win,cursor);
    314. 

  314. <a name="line362">362: </a>  XSelectInput(win-&gt;disp,win-&gt;win,ButtonPressMask | ButtonReleaseMask);
    315. 

  315. 

  316. <a name="line364">364: </a>  <font color="#4169E1">while</font> (XCheckTypedEvent(win-&gt;disp,ButtonPress,&amp;report));
    317. 

  317. <a name="line365">365: </a>  XMaskEvent(win-&gt;disp,ButtonReleaseMask,&amp;report);
    318. 

  318. <a name="line366">366: </a>  <font color="#4169E1">switch</font> (report.xbutton.button) {
    319. 

  319. <a name="line367">367: </a>    <font color="#4169E1">case</font> Button1:
    320. 

  320. <a name="line368">368: </a>      <font color="#4169E1">if</font> (report.xbutton.state &amp; ShiftMask)
    321. 

  321. <a name="line369">369: </a>        *button = PETSC_BUTTON_LEFT_SHIFT;
    322. 

  322. <a name="line370">370: </a>      <font color="#4169E1">else</font>
    323. 

  323. <a name="line371">371: </a>        *button = PETSC_BUTTON_LEFT;
    324. 

  324. <a name="line372">372: </a>      <font color="#4169E1">break</font>;
    325. 

  325. <a name="line373">373: </a>    <font color="#4169E1">case</font> Button2:
    326. 

  326. <a name="line374">374: </a>      <font color="#4169E1">if</font> (report.xbutton.state &amp; ShiftMask)
    327. 

  327. <a name="line375">375: </a>        *button = PETSC_BUTTON_CENTER_SHIFT;
    328. 

  328. <a name="line376">376: </a>      <font color="#4169E1">else</font>
    329. 

  329. <a name="line377">377: </a>        *button = PETSC_BUTTON_CENTER;
    330. 

  330. <a name="line378">378: </a>      <font color="#4169E1">break</font>;
    331. 

  331. <a name="line379">379: </a>    <font color="#4169E1">case</font> Button3:
    332. 

  332. <a name="line380">380: </a>      <font color="#4169E1">if</font> (report.xbutton.state &amp; ShiftMask)
    333. 

  333. <a name="line381">381: </a>        *button = PETSC_BUTTON_RIGHT_SHIFT;
    334. 

  334. <a name="line382">382: </a>      <font color="#4169E1">else</font>
    335. 

  335. <a name="line383">383: </a>        *button = PETSC_BUTTON_RIGHT;
    336. 

  336. <a name="line384">384: </a>      <font color="#4169E1">break</font>;
    337. 

  337. <a name="line385">385: </a>  }
    338. 

  338. <a name="line386">386: </a>  XQueryPointer(win-&gt;disp,report.xmotion.window,&amp;root,&amp;child,&amp;root_x,&amp;root_y,&amp;px,&amp;py,&amp;keys_button);
    339. 

  339. 

  340. <a name="line388">388: </a>  <font color="#4169E1">if</font> (x_phys) *x_phys = ((double)px)/((double)win-&gt;w);
    341. 

  341. <a name="line389">389: </a>  <font color="#4169E1">if</font> (y_phys) *y_phys = 1.0 - ((double)py)/((double)win-&gt;h);
    342. 

  342. 

  343. <a name="line391">391: </a>  <font color="#4169E1">if</font> (x_user) *x_user = draw-&gt;coor_xl + ((((double)px)/((double)win-&gt;w)-draw-&gt;port_xl))*(draw-&gt;coor_xr - draw-&gt;coor_xl)/(draw-&gt;port_xr - draw-&gt;port_xl);
    344. 

  344. <a name="line392">392: </a>  <font color="#4169E1">if</font> (y_user) *y_user = draw-&gt;coor_yl + ((1.0 - ((double)py)/((double)win-&gt;h)-draw-&gt;port_yl))*(draw-&gt;coor_yr - draw-&gt;coor_yl)/(draw-&gt;port_yr - draw-&gt;port_yl);
    345. 

  345. 

  346. <a name="line394">394: </a>  XUndefineCursor(win-&gt;disp,win-&gt;win);
    347. 

  347. <a name="line395">395: </a>  XFlush(win-&gt;disp); XSync(win-&gt;disp,False);
    348. 

  348. <a name="line396">396: </a>  <font color="#4169E1">return</font>(0);
    349. 

  349. <a name="line397">397: </a>}
    350. 

  350. 

  351. <a name="line401">401: </a><strong><font color="#4169E1"><a name="PetscDrawPause_X"></a>static <A href="../../../../../docs/manualpages/Sys/PetscErrorCode.html#PetscErrorCode">PetscErrorCode</A> PetscDrawPause_X(<A href="../../../../../docs/manualpages/Draw/PetscDraw.html#PetscDraw">PetscDraw</A> draw)</font></strong>
    352. 

  352. <a name="line402">402: </a>{
    353. 

  353. 

  354. <a name="line406">406: </a>  <font color="#4169E1">if</font> (draw-&gt;pause &gt; 0) <A href="../../../../../docs/manualpages/Sys/PetscSleep.html#PetscSleep">PetscSleep</A>(draw-&gt;pause);
    355. 

  355. <a name="line407">407: </a>  <font color="#4169E1">else</font> <font color="#4169E1">if</font> (draw-&gt;pause &lt; 0) {
    356. 

  356. <a name="line408">408: </a>    <A href="../../../../../docs/manualpages/Draw/PetscDrawButton.html#PetscDrawButton">PetscDrawButton</A> button;
    357. 

  357. <a name="line409">409: </a>    <A href="../../../../../docs/manualpages/Sys/PetscMPIInt.html#PetscMPIInt">PetscMPIInt</A>     rank;
    358. 

  358. <a name="line410">410: </a>    <A href="http://www.mcs.anl.gov/mpi/www/www3/MPI_Comm_rank.html#MPI_Comm_rank">MPI_Comm_rank</A>(((<A href="../../../../../docs/manualpages/Sys/PetscObject.html#PetscObject">PetscObject</A>)draw)-&gt;comm,&amp;rank);
    359. 

  359. <a name="line411">411: </a>    <font color="#4169E1">if</font> (!rank) {
    360. 

  360. <a name="line412">412: </a>      <A href="../../../../../docs/manualpages/Draw/PetscDrawGetMouseButton.html#PetscDrawGetMouseButton">PetscDrawGetMouseButton</A>(draw,&amp;button,0,0,0,0);
    361. 

  361. <a name="line413">413: </a>      <font color="#4169E1">if</font> (button == PETSC_BUTTON_CENTER) draw-&gt;pause = 0;
    362. 

  362. <a name="line414">414: </a>    }
    363. 

  363. <a name="line415">415: </a>    <A href="http://www.mcs.anl.gov/mpi/www/www3/MPI_Bcast.html#MPI_Bcast">MPI_Bcast</A>(&amp;draw-&gt;pause,1,MPI_INT,0,((<A href="../../../../../docs/manualpages/Sys/PetscObject.html#PetscObject">PetscObject</A>)draw)-&gt;comm);
    364. 

  364. <a name="line416">416: </a>  }
    365. 

  365. <a name="line417">417: </a>  <font color="#4169E1">return</font>(0);
    366. 

  366. <a name="line418">418: </a>}
    367. 

  367. 

  368. <a name="line422">422: </a><strong><font color="#4169E1"><a name="PetscDrawGetPopup_X"></a>static <A href="../../../../../docs/manualpages/Sys/PetscErrorCode.html#PetscErrorCode">PetscErrorCode</A> PetscDrawGetPopup_X(<A href="../../../../../docs/manualpages/Draw/PetscDraw.html#PetscDraw">PetscDraw</A> draw,<A href="../../../../../docs/manualpages/Draw/PetscDraw.html#PetscDraw">PetscDraw</A> *popup)</font></strong>
    369. 

  369. <a name="line423">423: </a>{
    370. 

  370. <a name="line425">425: </a>  PetscDraw_X*   win = (PetscDraw_X*)draw-&gt;data;
    371. 

  371. 

  372. <a name="line428">428: </a>  <A href="../../../../../docs/manualpages/Draw/PetscDrawOpenX.html#PetscDrawOpenX">PetscDrawOpenX</A>(((<A href="../../../../../docs/manualpages/Sys/PetscObject.html#PetscObject">PetscObject</A>)draw)-&gt;comm,<A href="../../../../../docs/manualpages/Sys/PETSC_NULL.html#PETSC_NULL">PETSC_NULL</A>,<A href="../../../../../docs/manualpages/Sys/PETSC_NULL.html#PETSC_NULL">PETSC_NULL</A>,win-&gt;x,win-&gt;y+win-&gt;h+36,220,220,popup);
    373. 

  373. <a name="line429">429: </a>  draw-&gt;popup = *popup;
    374. 

  374. <a name="line430">430: </a>  <font color="#4169E1">return</font>(0);
    375. 

  375. <a name="line431">431: </a>}
    376. 

  376. 

  377. <a name="line435">435: </a><strong><font color="#4169E1"><a name="PetscDrawSetTitle_X"></a>static <A href="../../../../../docs/manualpages/Sys/PetscErrorCode.html#PetscErrorCode">PetscErrorCode</A> PetscDrawSetTitle_X(<A href="../../../../../docs/manualpages/Draw/PetscDraw.html#PetscDraw">PetscDraw</A> draw,const char title[])</font></strong>
    378. 

  378. <a name="line436">436: </a>{
    379. 

  379. <a name="line437">437: </a>  PetscDraw_X    *win = (PetscDraw_X*)draw-&gt;data;
    380. 

  380. <a name="line438">438: </a>  XTextProperty  prop;
    381. 

  381. <a name="line440">440: </a>  size_t         len;
    382. 

  382. 

  383. <a name="line443">443: </a>  XGetWMName(win-&gt;disp,win-&gt;win,&amp;prop);
    384. 

  384. <a name="line444">444: </a>  XFree((void*)prop.value);
    385. 

  385. <a name="line445">445: </a>  prop.value  = (unsigned char *)title;
    386. 

  386. <a name="line446">446: </a>  <A href="../../../../../docs/manualpages/Sys/PetscStrlen.html#PetscStrlen">PetscStrlen</A>(title,&amp;len);
    387. 

  387. <a name="line447">447: </a>  prop.nitems = (long) len;
    388. 

  388. <a name="line448">448: </a>  XSetWMName(win-&gt;disp,win-&gt;win,&amp;prop);
    389. 

  389. <a name="line449">449: </a>  <font color="#4169E1">return</font>(0);
    390. 

  390. <a name="line450">450: </a>}
    391. 

  391. 

  392. <a name="line454">454: </a><strong><font color="#4169E1"><a name="PetscDrawResizeWindow_X"></a>static <A href="../../../../../docs/manualpages/Sys/PetscErrorCode.html#PetscErrorCode">PetscErrorCode</A> PetscDrawResizeWindow_X(<A href="../../../../../docs/manualpages/Draw/PetscDraw.html#PetscDraw">PetscDraw</A> draw,int w,int h)</font></strong>
    393. 

  393. <a name="line455">455: </a>{
    394. 

  394. <a name="line456">456: </a>  PetscDraw_X    *win = (PetscDraw_X*)draw-&gt;data;
    395. 

  395. <a name="line457">457: </a>  unsigned int   ww,hh,border,depth;
    396. 

  396. <a name="line458">458: </a>  int            x,y;
    397. 

  397. <a name="line460">460: </a>  Window         root;
    398. 

  398. 

  399. <a name="line463">463: </a>  XResizeWindow(win-&gt;disp,win-&gt;win,w,h);
    400. 

  400. <a name="line464">464: </a>  XGetGeometry(win-&gt;disp,win-&gt;win,&amp;root,&amp;x,&amp;y,&amp;ww,&amp;hh,&amp;border,&amp;depth);
    401. 

  401. <a name="line465">465: </a>  <A href="../../../../../docs/manualpages/Draw/PetscDrawCheckResizedWindow.html#PetscDrawCheckResizedWindow">PetscDrawCheckResizedWindow</A>(draw);
    402. 

  402. <a name="line466">466: </a>  <font color="#4169E1">return</font>(0);
    403. 

  403. <a name="line467">467: </a>}
    404. 

  404. 

  405. <a name="line471">471: </a><strong><font color="#4169E1"><a name="PetscDrawCheckResizedWindow_X"></a>static <A href="../../../../../docs/manualpages/Sys/PetscErrorCode.html#PetscErrorCode">PetscErrorCode</A> PetscDrawCheckResizedWindow_X(<A href="../../../../../docs/manualpages/Draw/PetscDraw.html#PetscDraw">PetscDraw</A> draw)</font></strong>
    406. 

  406. <a name="line472">472: </a>{
    407. 

  407. <a name="line473">473: </a>  PetscDraw_X    *win = (PetscDraw_X*)draw-&gt;data;
    408. 

  408. <a name="line475">475: </a>  int            x,y;
    409. 

  409. <a name="line476">476: </a>  <A href="../../../../../docs/manualpages/Sys/PetscMPIInt.html#PetscMPIInt">PetscMPIInt</A>    rank;
    410. 

  410. <a name="line477">477: </a>  Window         root;
    411. 

  411. <a name="line478">478: </a>  unsigned int   w,h,border,depth,geo[2];
    412. 

  412. <a name="line479">479: </a>  <A href="../../../../../docs/manualpages/Sys/PetscReal.html#PetscReal">PetscReal</A>      xl,xr,yl,yr;
    413. 

  413. <a name="line480">480: </a>  XRectangle     box;
    414. 

  414. 

  415. <a name="line483">483: </a>  <A href="http://www.mcs.anl.gov/mpi/www/www3/MPI_Comm_rank.html#MPI_Comm_rank">MPI_Comm_rank</A>(((<A href="../../../../../docs/manualpages/Sys/PetscObject.html#PetscObject">PetscObject</A>)draw)-&gt;comm,&amp;rank);
    416. 

  416. <a name="line484">484: </a>  <font color="#4169E1">if</font> (!rank) {
    417. 

  417. <a name="line485">485: </a>    XSync(win-&gt;disp,False);
    418. 

  418. <a name="line486">486: </a>    XGetGeometry(win-&gt;disp,win-&gt;win,&amp;root,&amp;x,&amp;y,geo,geo+1,&amp;border,&amp;depth);
    419. 

  419. <a name="line487">487: </a>  }
    420. 

  420. <a name="line488">488: </a>  <A href="http://www.mcs.anl.gov/mpi/www/www3/MPI_Bcast.html#MPI_Bcast">MPI_Bcast</A>(geo,2,MPI_INT,0,((<A href="../../../../../docs/manualpages/Sys/PetscObject.html#PetscObject">PetscObject</A>)draw)-&gt;comm);
    421. 

  421. <a name="line489">489: </a>  w = geo[0];
    422. 

  422. <a name="line490">490: </a>  h = geo[1];
    423. 

  423. <a name="line491">491: </a>  <font color="#4169E1">if</font> (w == (unsigned int) win-&gt;w &amp;&amp; h == (unsigned int) win-&gt;h) <font color="#4169E1">return</font>(0);
    424. 

  424. 

  425. <a name="line493">493: </a>  <font color="#B22222">/* record new window sizes */</font>
    426. 

  426. 

  427. <a name="line495">495: </a>  win-&gt;h = h; win-&gt;w = w;
    428. 

  428. 

  429. <a name="line497">497: </a>  <font color="#B22222">/* Free buffer space and create new version (only first processor does this) */</font>
    430. 

  430. <a name="line498">498: </a>  <font color="#4169E1">if</font> (win-&gt;drw) {
    431. 

  431. <a name="line499">499: </a>    win-&gt;drw = XCreatePixmap(win-&gt;disp,win-&gt;win,win-&gt;w,win-&gt;h,win-&gt;depth);
    432. 

  432. <a name="line500">500: </a>  }
    433. 

  433. <a name="line501">501: </a>  <font color="#B22222">/* reset the clipping */</font>
    434. 

  434. <a name="line502">502: </a>  xl = draw-&gt;port_xl; yl = draw-&gt;port_yl;
    435. 

  435. <a name="line503">503: </a>  xr = draw-&gt;port_xr; yr = draw-&gt;port_yr;
    436. 

  436. <a name="line504">504: </a>  box.x     = (int)(xl*win-&gt;w);     box.y      = (int)((1.0-yr)*win-&gt;h);
    437. 

  437. <a name="line505">505: </a>  box.width = (int)((xr-xl)*win-&gt;w);box.height = (int)((yr-yl)*win-&gt;h);
    438. 

  438. <a name="line506">506: </a>  XSetClipRectangles(win-&gt;disp,win-&gt;gc.set,0,0,&amp;box,1,Unsorted);
    439. 

  439. 

  440. <a name="line508">508: </a>  <font color="#B22222">/* try to make sure it is actually done before passing info to all */</font>
    441. 

  441. <a name="line509">509: </a>  XSync(win-&gt;disp,False);
    442. 

  442. <a name="line510">510: </a>  <A href="http://www.mcs.anl.gov/mpi/www/www3/MPI_Bcast.html#MPI_Bcast">MPI_Bcast</A>(&amp;win-&gt;drw,1,MPI_UNSIGNED_LONG,0,((<A href="../../../../../docs/manualpages/Sys/PetscObject.html#PetscObject">PetscObject</A>)draw)-&gt;comm);
    443. 

  443. <a name="line511">511: </a>  <font color="#4169E1">return</font>(0);
    444. 

  444. <a name="line512">512: </a>}
    445. 

  445. 

  446. <a name="line514">514: </a><strong><font color="#4169E1">static <A href="../../../../../docs/manualpages/Sys/PetscErrorCode.html#PetscErrorCode">PetscErrorCode</A> PetscDrawGetSingleton_X(<A href="../../../../../docs/manualpages/Draw/PetscDraw.html#PetscDraw">PetscDraw</A>,<A href="../../../../../docs/manualpages/Draw/PetscDraw.html#PetscDraw">PetscDraw</A>*)</font></strong>;
    447. 

  447. <a name="line515">515: </a><strong><font color="#4169E1">static <A href="../../../../../docs/manualpages/Sys/PetscErrorCode.html#PetscErrorCode">PetscErrorCode</A> PetscDrawRestoreSingleton_X(<A href="../../../../../docs/manualpages/Draw/PetscDraw.html#PetscDraw">PetscDraw</A>,<A href="../../../../../docs/manualpages/Draw/PetscDraw.html#PetscDraw">PetscDraw</A>*)</font></strong>;
    448. 

  448. 

  449. <a name="line519">519: </a><strong><font color="#4169E1"><a name="PetscDrawDestroy_X"></a><A href="../../../../../docs/manualpages/Sys/PetscErrorCode.html#PetscErrorCode">PetscErrorCode</A> PetscDrawDestroy_X(<A href="../../../../../docs/manualpages/Draw/PetscDraw.html#PetscDraw">PetscDraw</A> draw)</font></strong>
    450. 

  450. <a name="line520">520: </a>{
    451. 

  451. <a name="line521">521: </a>  PetscDraw_X    *win = (PetscDraw_X*)draw-&gt;data;
    452. 

  452. <a name="line523">523: </a><font color="#A020F0">#if defined(PETSC_HAVE_POPEN)</font>
    453. 

  453. <a name="line524">524: </a>  char           command[PETSC_MAX_PATH_LEN];
    454. 

  454. <a name="line525">525: </a>  <A href="../../../../../docs/manualpages/Sys/PetscMPIInt.html#PetscMPIInt">PetscMPIInt</A>    rank;
    455. 

  455. <a name="line526">526: </a>  FILE           *fd;
    456. 

  456. <a name="line527">527: </a><font color="#A020F0">#endif</font>
    457. 

  457. 

  458. <a name="line530">530: </a>  <A href="../../../../../docs/manualpages/Draw/PetscDrawSynchronizedClear.html#PetscDrawSynchronizedClear">PetscDrawSynchronizedClear</A>(draw);
    459. 

  459. 

  460. <a name="line532">532: </a><font color="#A020F0">#if defined(PETSC_HAVE_POPEN)</font>
    461. 

  461. <a name="line533">533: </a>  <A href="http://www.mcs.anl.gov/mpi/www/www3/MPI_Comm_rank.html#MPI_Comm_rank">MPI_Comm_rank</A>(((<A href="../../../../../docs/manualpages/Sys/PetscObject.html#PetscObject">PetscObject</A>)draw)-&gt;comm,&amp;rank);
    462. 

  462. <a name="line534">534: </a>  <font color="#4169E1">if</font> (draw-&gt;savefilename &amp;&amp; !rank &amp;&amp; draw-&gt;savefilemovie) {
    463. 

  463. <a name="line535">535: </a>    <A href="../../../../../docs/manualpages/Sys/PetscSNPrintf.html#PetscSNPrintf">PetscSNPrintf</A>(command,PETSC_MAX_PATH_LEN,<font color="#666666">"ffmpeg  -i %s_%%d.Gif %s.m4v"</font>,draw-&gt;savefilename,draw-&gt;savefilename);
    464. 

  464. <a name="line536">536: </a>    <A href="../../../../../docs/manualpages/Sys/PetscPOpen.html#PetscPOpen">PetscPOpen</A>(((<A href="../../../../../docs/manualpages/Sys/PetscObject.html#PetscObject">PetscObject</A>)draw)-&gt;comm,<A href="../../../../../docs/manualpages/Sys/PETSC_NULL.html#PETSC_NULL">PETSC_NULL</A>,command,<font color="#666666">"r"</font>,&amp;fd);
    465. 

  465. <a name="line537">537: </a>    <A href="../../../../../docs/manualpages/Sys/PetscPClose.html#PetscPClose">PetscPClose</A>(((<A href="../../../../../docs/manualpages/Sys/PetscObject.html#PetscObject">PetscObject</A>)draw)-&gt;comm,fd);
    466. 

  466. <a name="line538">538: </a>  }
    467. 

  467. <a name="line539">539: </a><font color="#A020F0">#endif</font>
    468. 

  468. 

  469. <a name="line541">541: </a>  XFreeGC(win-&gt;disp,win-&gt;gc.set);
    470. 

  470. <a name="line542">542: </a>  XCloseDisplay(win-&gt;disp);
    471. 

  471. <a name="line543">543: </a>  <A href="../../../../../docs/manualpages/Draw/PetscDrawDestroy.html#PetscDrawDestroy">PetscDrawDestroy</A>(&amp;draw-&gt;popup);
    472. 

  472. <a name="line544">544: </a>  <A href="../../../../../docs/manualpages/Sys/PetscFree.html#PetscFree">PetscFree</A>(win-&gt;font);
    473. 

  473. <a name="line545">545: </a>  <A href="../../../../../docs/manualpages/Sys/PetscFree.html#PetscFree">PetscFree</A>(win);
    474. 

  474. <a name="line546">546: </a>  <font color="#4169E1">return</font>(0);
    475. 

  475. <a name="line547">547: </a>}
    476. 

  476. 

  477. <a name="line549">549: </a><strong><font color="#4169E1"><A href="../../../../../docs/manualpages/Sys/PetscErrorCode.html#PetscErrorCode">PetscErrorCode</A> PetscDrawSave_X(<A href="../../../../../docs/manualpages/Draw/PetscDraw.html#PetscDraw">PetscDraw</A>)</font></strong>;
    478. 

  478. <a name="line550">550: </a><strong><font color="#4169E1"><A href="../../../../../docs/manualpages/Sys/PetscErrorCode.html#PetscErrorCode">PetscErrorCode</A> PetscDrawSetSave_X(<A href="../../../../../docs/manualpages/Draw/PetscDraw.html#PetscDraw">PetscDraw</A>,const char*)</font></strong>;
    479. 

  479. 

  480. <a name="line552">552: </a>static <font color="#4169E1">struct _PetscDrawOps</font> DvOps = { PetscDrawSetDoubleBuffer_X,
    481. 

  481. <a name="line553">553: </a>                                 PetscDrawFlush_X,PetscDrawLine_X,
    482. 

  482. <a name="line554">554: </a>                                 0,
    483. 

  483. <a name="line555">555: </a>                                 0,
    484. 

  484. <a name="line556">556: </a>                                 PetscDrawPoint_X,
    485. 

  485. <a name="line557">557: </a>                                 0,
    486. 

  486. <a name="line558">558: </a>                                 PetscDrawString_X,
    487. 

  487. <a name="line559">559: </a>                                 PetscDrawStringVertical_X,
    488. 

  488. <a name="line560">560: </a>                                 PetscDrawStringSetSize_X,
    489. 

  489. <a name="line561">561: </a>                                 PetscDrawStringGetSize_X,
    490. 

  490. <a name="line562">562: </a>                                 PetscDrawSetViewport_X,
    491. 

  491. <a name="line563">563: </a>                                 PetscDrawClear_X,
    492. 

  492. <a name="line564">564: </a>                                 PetscDrawSynchronizedFlush_X,
    493. 

  493. <a name="line565">565: </a>                                 PetscDrawRectangle_X,
    494. 

  494. <a name="line566">566: </a>                                 PetscDrawTriangle_X,
    495. 

  495. <a name="line567">567: </a>                                 PetscDrawEllipse_X,
    496. 

  496. <a name="line568">568: </a>                                 PetscDrawGetMouseButton_X,
    497. 

  497. <a name="line569">569: </a>                                 PetscDrawPause_X,
    498. 

  498. <a name="line570">570: </a>                                 PetscDrawSynchronizedClear_X,
    499. 

  499. <a name="line571">571: </a>                                 0,
    500. 

  500. <a name="line572">572: </a>                                 0,
    501. 

  501. <a name="line573">573: </a>                                 PetscDrawGetPopup_X,
    502. 

  502. <a name="line574">574: </a>                                 PetscDrawSetTitle_X,
    503. 

  503. <a name="line575">575: </a>                                 PetscDrawCheckResizedWindow_X,
    504. 

  504. <a name="line576">576: </a>                                 PetscDrawResizeWindow_X,
    505. 

  505. <a name="line577">577: </a>                                 PetscDrawDestroy_X,
    506. 

  506. <a name="line578">578: </a>                                 0,
    507. 

  507. <a name="line579">579: </a>                                 PetscDrawGetSingleton_X,
    508. 

  508. <a name="line580">580: </a>                                 PetscDrawRestoreSingleton_X,
    509. 

  509. <a name="line581">581: </a><font color="#A020F0">#if defined(PETSC_HAVE_AFTERIMAGE)</font>
    510. 

  510. <a name="line582">582: </a>                                 PetscDrawSave_X,
    511. 

  511. <a name="line583">583: </a><font color="#A020F0">#else</font>
    512. 

  512. <a name="line584">584: </a>                                 0,
    513. 

  513. <a name="line585">585: </a><font color="#A020F0">#endif</font>
    514. 

  514. <a name="line586">586: </a>                                 PetscDrawSetSave_X,
    515. 

  515. <a name="line587">587: </a>                                 0,
    516. 

  516. <a name="line588">588: </a>                                 PetscDrawArrow_X};
    517. 

  517. 

  518. 

  519. <a name="line591">591: </a><strong><font colo
    520.