xref: /petsc/include/petscdraw.h (revision c6228bba3efb3955e5e29a4ef79e8b65616d20d2) 
1 /*
2   Interface to the PETSc graphics
3 */
4 #if !defined(__PETSCDRAW_H)
5 #define __PETSCDRAW_H
6 #include <petscsys.h>
7 #include <petscdrawtypes.h>
8 
9 PETSC_EXTERN PetscClassId PETSC_DRAW_CLASSID;
10 
11 PETSC_EXTERN PetscFunctionList PetscDrawList;
12 PETSC_EXTERN PetscErrorCode PetscDrawInitializePackage(void);
13 PETSC_EXTERN PetscErrorCode PetscDrawFinalizePackage(void);
14 PETSC_EXTERN PetscErrorCode PetscDrawRegister(const char[],PetscErrorCode(*)(PetscDraw));
15 
16 PETSC_EXTERN PetscErrorCode PetscDrawGetType(PetscDraw,PetscDrawType*);
17 PETSC_EXTERN PetscErrorCode PetscDrawSetType(PetscDraw,PetscDrawType);
18 PETSC_EXTERN PetscErrorCode PetscDrawCreate(MPI_Comm,const char[],const char[],int,int,int,int,PetscDraw*);
19 PETSC_EXTERN PetscErrorCode PetscDrawSetFromOptions(PetscDraw);
20 PETSC_EXTERN PetscErrorCode PetscDrawSetSave(PetscDraw,const char*,PetscBool);
21 PETSC_EXTERN PetscErrorCode PetscDrawSetSaveFinalImage(PetscDraw,const char*);
22 PETSC_EXTERN PetscErrorCode PetscDrawView(PetscDraw,PetscViewer);
23 PETSC_STATIC_INLINE PetscErrorCode PetscDrawViewFromOptions(PetscDraw A,PetscObject obj,const char name[]) {return PetscObjectViewFromOptions((PetscObject)A,obj,name);}
24 
25 /*
26    Number of basic colors in the draw routines, the others are used
27    for a uniform colormap.
28 */
29 #define PETSC_DRAW_BASIC_COLORS 33
30 
31 #define PETSC_DRAW_ROTATE          -1         /* will rotate through the colors, start with 2 */
32 #define PETSC_DRAW_WHITE            0
33 #define PETSC_DRAW_BLACK            1
34 #define PETSC_DRAW_RED              2
35 #define PETSC_DRAW_GREEN            3
36 #define PETSC_DRAW_CYAN             4
37 #define PETSC_DRAW_BLUE             5
38 #define PETSC_DRAW_MAGENTA          6
39 #define PETSC_DRAW_AQUAMARINE       7
40 #define PETSC_DRAW_FORESTGREEN      8
41 #define PETSC_DRAW_ORANGE           9
42 #define PETSC_DRAW_VIOLET          10
43 #define PETSC_DRAW_BROWN           11
44 #define PETSC_DRAW_PINK            12
45 #define PETSC_DRAW_CORAL           13
46 #define PETSC_DRAW_GRAY            14
47 #define PETSC_DRAW_YELLOW          15
48 
49 #define PETSC_DRAW_GOLD            16
50 #define PETSC_DRAW_LIGHTPINK       17
51 #define PETSC_DRAW_MEDIUMTURQUOISE 18
52 #define PETSC_DRAW_KHAKI           19
53 #define PETSC_DRAW_DIMGRAY         20
54 #define PETSC_DRAW_YELLOWGREEN     21
55 #define PETSC_DRAW_SKYBLUE         22
56 #define PETSC_DRAW_DARKGREEN       23
57 #define PETSC_DRAW_NAVYBLUE        24
58 #define PETSC_DRAW_SANDYBROWN      25
59 #define PETSC_DRAW_CADETBLUE       26
60 #define PETSC_DRAW_POWDERBLUE      27
61 #define PETSC_DRAW_DEEPPINK        28
62 #define PETSC_DRAW_THISTLE         29
63 #define PETSC_DRAW_LIMEGREEN       30
64 #define PETSC_DRAW_LAVENDERBLUSH   31
65 #define PETSC_DRAW_PLUM            32
66 
67 /*MC
68 
69    PetscDrawRealToColor - Maps a real value within an interval to a color.
70    The color is an integer value in the range [PETSC_DRAW_BASIC_COLORS to 255]
71    that can be passed to various drawing routines.
72 
73    Synopsis:
74    #include <petscdraw.h>
75    int PetscDrawRealToColor(PetscReal value,PetscReal min,PetscReal max)
76 
77    Not Collective
78 
79    Input Parameter:
80 +  value - value to map within the interval [min,max]
81 .  min - lower end of interval
82 -  max - upper end of interval
83 
84    Notes: Values outside the interval [min,max] are clipped.
85 
86    Level: intermediate
87 
88 .seealso: PetscDrawPointPixel(), PetscDrawPoint(), PetscDrawLine(), PetscDrawTriangle(), PetscDrawRectangle()
89 
90 M*/
91 PETSC_STATIC_INLINE int PetscDrawRealToColor(PetscReal value,PetscReal min,PetscReal max)
92 {
93   value = PetscClipInterval(value,min,max);
94   return PETSC_DRAW_BASIC_COLORS + (int)((255-PETSC_DRAW_BASIC_COLORS)*(value-min)/(max-min));
95 }
96 
97 PETSC_EXTERN PetscErrorCode PetscDrawOpenX(MPI_Comm,const char[],const char[],int,int,int,int,PetscDraw*);
98 PETSC_EXTERN PetscErrorCode PetscDrawOpenGLUT(MPI_Comm,const char[],const char[],int,int,int,int,PetscDraw*);
99 
100 #define PETSC_DRAW_FULL_SIZE    -3
101 #define PETSC_DRAW_HALF_SIZE    -4
102 #define PETSC_DRAW_THIRD_SIZE   -5
103 #define PETSC_DRAW_QUARTER_SIZE -6
104 
105 PETSC_EXTERN PetscErrorCode PetscDrawOpenNull(MPI_Comm,PetscDraw *);
106 PETSC_EXTERN PetscErrorCode PetscDrawDestroy(PetscDraw*);
107 PETSC_EXTERN PetscErrorCode PetscDrawIsNull(PetscDraw,PetscBool *);
108 
109 PETSC_EXTERN PetscErrorCode PetscDrawGetPopup(PetscDraw,PetscDraw*);
110 PETSC_EXTERN PetscErrorCode PetscDrawCheckResizedWindow(PetscDraw);
111 PETSC_EXTERN PetscErrorCode PetscDrawResizeWindow(PetscDraw,int,int);
112 
113 PETSC_EXTERN PetscErrorCode PetscDrawScalePopup(PetscDraw,PetscReal,PetscReal);
114 
115 PETSC_EXTERN PetscErrorCode PetscDrawPixelToCoordinate(PetscDraw,PetscInt,PetscInt,PetscReal*,PetscReal*);
116 PETSC_EXTERN PetscErrorCode PetscDrawCoordinateToPixel(PetscDraw,PetscReal,PetscReal,PetscInt*,PetscInt*);
117 
118 PETSC_EXTERN PetscErrorCode PetscDrawIndicatorFunction(PetscDraw,PetscReal,PetscReal,PetscReal,PetscReal,int,PetscErrorCode (*)(void*,PetscReal,PetscReal,PetscBool*),void*);
119 
120 PETSC_EXTERN PetscErrorCode PetscDrawLine(PetscDraw,PetscReal,PetscReal,PetscReal,PetscReal,int);
121 PETSC_EXTERN PetscErrorCode PetscDrawArrow(PetscDraw,PetscReal,PetscReal,PetscReal,PetscReal,int);
122 PETSC_EXTERN PetscErrorCode PetscDrawLineSetWidth(PetscDraw,PetscReal);
123 PETSC_EXTERN PetscErrorCode PetscDrawLineGetWidth(PetscDraw,PetscReal*);
124 
125 /*E
126     PetscDrawMarkerType - How a "mark" is indicate in a figure
127 
128    Level: intermediate
129 
130 $  PETSC_MARKER_CROSS - a small pixel based x symbol or the character x if that is not available
131 $  PETSC_MARKER_PLUS - a small pixel based + symbol or the character + if that is not available
132 $  PETSC_MARKER_CIRCLE - a small pixel based circle symbol or the character o if that is not available
133 $  PETSC_MARKER_POINT - the make obtained with PetscDrawPoint()
134 
135 .seealso: PetscDrawMarker(), PetscDrawSetMarkerType()
136 E*/
137 typedef enum {PETSC_DRAW_MARKER_CROSS, PETSC_DRAW_MARKER_POINT,PETSC_DRAW_MARKER_PLUS,PETSC_DRAW_MARKER_CIRCLE} PetscDrawMarkerType;
138 PETSC_EXTERN const char *const PetscDrawMarkerTypes[];
139 
140 PETSC_EXTERN PetscErrorCode PetscDrawMarker(PetscDraw,PetscReal,PetscReal,int);
141 PETSC_EXTERN PetscErrorCode PetscDrawSetMarkerType(PetscDraw,PetscDrawMarkerType);
142 PETSC_EXTERN PetscErrorCode PetscDrawGetMarkerType(PetscDraw,PetscDrawMarkerType*);
143 
144 PETSC_EXTERN PetscErrorCode PetscDrawPoint(PetscDraw,PetscReal,PetscReal,int);
145 PETSC_EXTERN PetscErrorCode PetscDrawPointPixel(PetscDraw,PetscInt,PetscInt,int);
146 PETSC_EXTERN PetscErrorCode PetscDrawPointSetSize(PetscDraw,PetscReal);
147 
148 PETSC_EXTERN PetscErrorCode PetscDrawRectangle(PetscDraw,PetscReal,PetscReal,PetscReal,PetscReal,int,int,int,int);
149 PETSC_EXTERN PetscErrorCode PetscDrawTriangle(PetscDraw,PetscReal,PetscReal,PetscReal,PetscReal,PetscReal,PetscReal,int,int,int);
150 PETSC_EXTERN PetscErrorCode PetscDrawEllipse(PetscDraw,PetscReal,PetscReal,PetscReal,PetscReal,int);
151 PETSC_EXTERN PetscErrorCode PetscDrawTensorContourPatch(PetscDraw,int,int,PetscReal*,PetscReal*,PetscReal,PetscReal,PetscReal*);
152 PETSC_EXTERN PetscErrorCode PetscDrawTensorContour(PetscDraw,int,int,const PetscReal[],const PetscReal[],PetscReal *);
153 
154 PETSC_EXTERN PetscErrorCode PetscDrawString(PetscDraw,PetscReal,PetscReal,int,const char[]);
155 PETSC_EXTERN PetscErrorCode PetscDrawStringCentered(PetscDraw,PetscReal,PetscReal,int,const char[]);
156 PETSC_EXTERN PetscErrorCode PetscDrawStringBoxed(PetscDraw,PetscReal,PetscReal,int,int,const char[],PetscReal*,PetscReal*);
157 PETSC_EXTERN PetscErrorCode PetscDrawStringBoxedSize(PetscDraw,const char[],PetscReal*,PetscReal*);
158 PETSC_EXTERN PetscErrorCode PetscDrawStringVertical(PetscDraw,PetscReal,PetscReal,int,const char[]);
159 PETSC_EXTERN PetscErrorCode PetscDrawStringSetSize(PetscDraw,PetscReal,PetscReal);
160 PETSC_EXTERN PetscErrorCode PetscDrawStringGetSize(PetscDraw,PetscReal*,PetscReal*);
161 
162 PETSC_EXTERN PetscErrorCode PetscDrawSetViewPort(PetscDraw,PetscReal,PetscReal,PetscReal,PetscReal);
163 PETSC_EXTERN PetscErrorCode PetscDrawGetViewPort(PetscDraw,PetscReal*,PetscReal*,PetscReal*,PetscReal*);
164 PETSC_EXTERN PetscErrorCode PetscDrawSplitViewPort(PetscDraw);
165 
166 PETSC_EXTERN PetscErrorCode PetscDrawSetCoordinates(PetscDraw,PetscReal,PetscReal,PetscReal,PetscReal);
167 PETSC_EXTERN PetscErrorCode PetscDrawGetCoordinates(PetscDraw,PetscReal*,PetscReal*,PetscReal*,PetscReal*);
168 
169 PETSC_EXTERN PetscErrorCode PetscDrawSetTitle(PetscDraw,const char[]);
170 PETSC_EXTERN PetscErrorCode PetscDrawAppendTitle(PetscDraw,const char[]);
171 PETSC_EXTERN PetscErrorCode PetscDrawGetTitle(PetscDraw,char **);
172 
173 PETSC_EXTERN PetscErrorCode PetscDrawSetPause(PetscDraw,PetscReal);
174 PETSC_EXTERN PetscErrorCode PetscDrawGetPause(PetscDraw,PetscReal*);
175 PETSC_EXTERN PetscErrorCode PetscDrawPause(PetscDraw);
176 PETSC_EXTERN PetscErrorCode PetscDrawSetDoubleBuffer(PetscDraw);
177 PETSC_EXTERN PetscErrorCode PetscDrawClear(PetscDraw);
178 PETSC_EXTERN PetscErrorCode PetscDrawFlush(PetscDraw);
179 PETSC_EXTERN PetscErrorCode PetscDrawSave(PetscDraw);
180 PETSC_EXTERN PetscErrorCode PetscDrawBOP(PetscDraw);
181 PETSC_EXTERN PetscErrorCode PetscDrawEOP(PetscDraw);
182 
183 PETSC_EXTERN PetscErrorCode PetscDrawSetDisplay(PetscDraw,const char[]);
184 PETSC_EXTERN PetscErrorCode PetscDrawGetSingleton(PetscDraw,PetscDraw*);
185 PETSC_EXTERN PetscErrorCode PetscDrawRestoreSingleton(PetscDraw,PetscDraw*);
186 
187 PETSC_EXTERN PetscErrorCode PetscDrawGetCurrentPoint(PetscDraw,PetscReal*,PetscReal*);
188 PETSC_EXTERN PetscErrorCode PetscDrawSetCurrentPoint(PetscDraw,PetscReal,PetscReal);
189 PETSC_EXTERN PetscErrorCode PetscDrawPushCurrentPoint(PetscDraw,PetscReal,PetscReal);
190 PETSC_EXTERN PetscErrorCode PetscDrawPopCurrentPoint(PetscDraw);
191 PETSC_EXTERN PetscErrorCode PetscDrawGetBoundingBox(PetscDraw,PetscReal*,PetscReal*,PetscReal*,PetscReal*);
192 
193 /*E
194     PetscDrawButton - Used to determine which button was pressed
195 
196    Level: intermediate
197 
198 .seealso: PetscDrawGetMouseButton()
199 E*/
200 typedef enum { PETSC_BUTTON_NONE = 0,
201                PETSC_BUTTON_LEFT,PETSC_BUTTON_CENTER,PETSC_BUTTON_RIGHT,
202                PETSC_BUTTON_WHEEL_UP,PETSC_BUTTON_WHEEL_DOWN,
203                PETSC_BUTTON_LEFT_SHIFT,PETSC_BUTTON_CENTER_SHIFT,PETSC_BUTTON_RIGHT_SHIFT } PetscDrawButton;
204 
205 PETSC_EXTERN PetscErrorCode PetscDrawGetMouseButton(PetscDraw,PetscDrawButton *,PetscReal*,PetscReal *,PetscReal *,PetscReal *);
206 
207 PETSC_EXTERN PetscErrorCode PetscDrawZoom(PetscDraw,PetscErrorCode (*)(PetscDraw,void *),void *);
208 
209 /*S
210      PetscDrawViewPorts - Subwindows in a PetscDraw object
211 
212    Level: intermediate
213 
214   Concepts: graphics
215 
216 .seealso:  PetscDrawViewPortsCreate(), PetscDrawViewPortsSet()
217 S*/
218 typedef struct {
219   PetscInt  nports;
220   PetscReal *xl;
221   PetscReal *xr;
222   PetscReal *yl;
223   PetscReal *yr;
224   PetscDraw draw;
225   PetscReal port_xl,port_yl,port_xr,port_yr;   /* original port of parent PetscDraw */
226 
227 } PetscDrawViewPorts;
228 PETSC_EXTERN PetscErrorCode PetscDrawViewPortsCreate(PetscDraw,PetscInt,PetscDrawViewPorts**);
229 PETSC_EXTERN PetscErrorCode PetscDrawViewPortsCreateRect(PetscDraw,PetscInt,PetscInt,PetscDrawViewPorts**);
230 PETSC_EXTERN PetscErrorCode PetscDrawViewPortsDestroy(PetscDrawViewPorts*);
231 PETSC_EXTERN PetscErrorCode PetscDrawViewPortsSet(PetscDrawViewPorts*,PetscInt);
232 
233 PETSC_EXTERN PetscClassId PETSC_DRAWAXIS_CLASSID;
234 
235 PETSC_EXTERN PetscErrorCode PetscDrawAxisCreate(PetscDraw,PetscDrawAxis *);
236 PETSC_EXTERN PetscErrorCode PetscDrawAxisDestroy(PetscDrawAxis*);
237 PETSC_EXTERN PetscErrorCode PetscDrawAxisDraw(PetscDrawAxis);
238 PETSC_EXTERN PetscErrorCode PetscDrawAxisSetLimits(PetscDrawAxis,PetscReal,PetscReal,PetscReal,PetscReal);
239 PETSC_EXTERN PetscErrorCode PetscDrawAxisGetLimits(PetscDrawAxis,PetscReal*,PetscReal*,PetscReal*,PetscReal*);
240 PETSC_EXTERN PetscErrorCode PetscDrawAxisSetHoldLimits(PetscDrawAxis,PetscBool );
241 PETSC_EXTERN PetscErrorCode PetscDrawAxisSetColors(PetscDrawAxis,int,int,int);
242 PETSC_EXTERN PetscErrorCode PetscDrawAxisSetLabels(PetscDrawAxis,const char[],const char[],const char[]);
243 
244 PETSC_EXTERN PetscClassId PETSC_DRAWLG_CLASSID;
245 
246 PETSC_EXTERN PetscErrorCode PetscDrawLGCreate(PetscDraw,PetscInt,PetscDrawLG *);
247 PETSC_EXTERN PetscErrorCode PetscDrawLGDestroy(PetscDrawLG*);
248 PETSC_EXTERN PetscErrorCode PetscDrawLGAddPoint(PetscDrawLG,const PetscReal*,const PetscReal*);
249 PETSC_EXTERN PetscErrorCode PetscDrawLGAddCommonPoint(PetscDrawLG,const PetscReal,const PetscReal*);
250 PETSC_EXTERN PetscErrorCode PetscDrawLGAddPoints(PetscDrawLG,PetscInt,PetscReal**,PetscReal**);
251 PETSC_EXTERN PetscErrorCode PetscDrawLGDraw(PetscDrawLG);
252 PETSC_EXTERN PetscErrorCode PetscDrawLGView(PetscDrawLG,PetscViewer);
253 PETSC_EXTERN PetscErrorCode PetscDrawLGReset(PetscDrawLG);
254 PETSC_EXTERN PetscErrorCode PetscDrawLGSetDimension(PetscDrawLG,PetscInt);
255 PETSC_EXTERN PetscErrorCode PetscDrawLGGetDimension(PetscDrawLG,PetscInt*);
256 PETSC_EXTERN PetscErrorCode PetscDrawLGSetLegend(PetscDrawLG,const char *const*);
257 PETSC_EXTERN PetscErrorCode PetscDrawLGGetAxis(PetscDrawLG,PetscDrawAxis *);
258 PETSC_EXTERN PetscErrorCode PetscDrawLGGetDraw(PetscDrawLG,PetscDraw *);
259 PETSC_EXTERN PetscErrorCode PetscDrawLGSetUseMarkers(PetscDrawLG,PetscBool);
260 PETSC_EXTERN PetscErrorCode PetscDrawLGSetLimits(PetscDrawLG,PetscReal,PetscReal,PetscReal,PetscReal);
261 PETSC_EXTERN PetscErrorCode PetscDrawLGSetColors(PetscDrawLG,const int*);
262 PETSC_EXTERN PetscErrorCode PetscDrawLGSetFromOptions(PetscDrawLG);
263 
264 PETSC_EXTERN PetscClassId PETSC_DRAWSP_CLASSID;
265 
266 PETSC_EXTERN PetscErrorCode PetscDrawSPCreate(PetscDraw,int,PetscDrawSP *);
267 PETSC_EXTERN PetscErrorCode PetscDrawSPDestroy(PetscDrawSP*);
268 PETSC_EXTERN PetscErrorCode PetscDrawSPAddPoint(PetscDrawSP,PetscReal*,PetscReal*);
269 PETSC_EXTERN PetscErrorCode PetscDrawSPAddPoints(PetscDrawSP,int,PetscReal**,PetscReal**);
270 PETSC_EXTERN PetscErrorCode PetscDrawSPDraw(PetscDrawSP,PetscBool);
271 PETSC_EXTERN PetscErrorCode PetscDrawSPReset(PetscDrawSP);
272 PETSC_EXTERN PetscErrorCode PetscDrawSPSetDimension(PetscDrawSP,int);
273 PETSC_EXTERN PetscErrorCode PetscDrawSPGetAxis(PetscDrawSP,PetscDrawAxis *);
274 PETSC_EXTERN PetscErrorCode PetscDrawSPGetDraw(PetscDrawSP,PetscDraw *);
275 PETSC_EXTERN PetscErrorCode PetscDrawSPSetLimits(PetscDrawSP,PetscReal,PetscReal,PetscReal,PetscReal);
276 PETSC_EXTERN PetscErrorCode PetscDrawLGSPDraw(PetscDrawLG,PetscDrawSP);
277 
278 PETSC_EXTERN PetscClassId PETSC_DRAWHG_CLASSID;
279 
280 PETSC_EXTERN PetscErrorCode PetscDrawHGCreate(PetscDraw,int,PetscDrawHG *);
281 PETSC_EXTERN PetscErrorCode PetscDrawHGDestroy(PetscDrawHG*);
282 PETSC_EXTERN PetscErrorCode PetscDrawHGAddValue(PetscDrawHG,PetscReal);
283 PETSC_EXTERN PetscErrorCode PetscDrawHGDraw(PetscDrawHG);
284 PETSC_EXTERN PetscErrorCode PetscDrawHGView(PetscDrawHG,PetscViewer);
285 PETSC_EXTERN PetscErrorCode PetscDrawHGReset(PetscDrawHG);
286 PETSC_EXTERN PetscErrorCode PetscDrawHGGetAxis(PetscDrawHG,PetscDrawAxis *);
287 PETSC_EXTERN PetscErrorCode PetscDrawHGGetDraw(PetscDrawHG,PetscDraw *);
288 PETSC_EXTERN PetscErrorCode PetscDrawHGSetLimits(PetscDrawHG,PetscReal,PetscReal,int,int);
289 PETSC_EXTERN PetscErrorCode PetscDrawHGSetNumberBins(PetscDrawHG,int);
290 PETSC_EXTERN PetscErrorCode PetscDrawHGSetColor(PetscDrawHG,int);
291 PETSC_EXTERN PetscErrorCode PetscDrawHGCalcStats(PetscDrawHG, PetscBool );
292 PETSC_EXTERN PetscErrorCode PetscDrawHGIntegerBins(PetscDrawHG, PetscBool );
293 
294 PETSC_EXTERN PetscClassId PETSC_DRAWBAR_CLASSID;
295 
296 PETSC_EXTERN PetscErrorCode PetscDrawBarCreate(PetscDraw,PetscDrawBar*);
297 PETSC_EXTERN PetscErrorCode PetscDrawBarSetData(PetscDrawBar,PetscInt,const PetscReal[],const char *const *);
298 PETSC_EXTERN PetscErrorCode PetscDrawBarDestroy(PetscDrawBar*);
299 PETSC_EXTERN PetscErrorCode PetscDrawBarDraw(PetscDrawBar);
300 PETSC_EXTERN PetscErrorCode PetscDrawBarSetColor(PetscDrawBar,int);
301 PETSC_EXTERN PetscErrorCode PetscDrawBarSetLimits(PetscDrawBar,PetscReal,PetscReal);
302 PETSC_EXTERN PetscErrorCode PetscDrawBarSort(PetscDrawBar,PetscBool,PetscReal);
303 PETSC_EXTERN PetscErrorCode PetscDrawBarSetFromOptions(PetscDrawBar);
304 PETSC_EXTERN PetscErrorCode PetscDrawBarGetAxis(PetscDrawBar,PetscDrawAxis*);
305 PETSC_EXTERN PetscErrorCode PetscDrawBarGetDraw(PetscDrawBar,PetscDraw*);
306 
307 /*
308     PetscViewer routines that allow you to access underlying PetscDraw objects
309 */
310 PETSC_EXTERN PetscErrorCode PetscViewerDrawGetDraw(PetscViewer,PetscInt,PetscDraw*);
311 PETSC_EXTERN PetscErrorCode PetscViewerDrawBaseAdd(PetscViewer,PetscInt);
312 PETSC_EXTERN PetscErrorCode PetscViewerDrawBaseSet(PetscViewer,PetscInt);
313 PETSC_EXTERN PetscErrorCode PetscViewerDrawGetDrawLG(PetscViewer,PetscInt,PetscDrawLG*);
314 PETSC_EXTERN PetscErrorCode PetscViewerDrawGetDrawAxis(PetscViewer,PetscInt,PetscDrawAxis*);
315 
316 PETSC_EXTERN PetscErrorCode PetscDrawUtilitySetCmap(const char[],int,unsigned char[],unsigned char[],unsigned char[]);
317 PETSC_EXTERN PetscErrorCode PetscDrawUtilitySetGamma(PetscReal);
318 
319 /*
320     Handling of X11 I/O errors in parallel
321 */
322 #if defined(PETSC_HAVE_X) && defined(PETSC_HAVE_SETJMP_H)
323 
324 #include <setjmp.h>
325 
326 PETSC_EXTERN jmp_buf PetscXIOErrorHandlerJumpBuf;
327 PETSC_EXTERN void    PetscXIOErrorHandlerJump(void *);
328 PETSC_EXTERN_TYPEDEF typedef void (*PetscXIOErrorHandler)(void *);
329 PETSC_EXTERN PetscXIOErrorHandler PetscSetXIOErrorHandler(PetscXIOErrorHandler);
330 
331 #define PetscDrawCollectiveBegin(draw) 0; do { \
332   PetscErrorCode       _Petsc_ierr; \
333   jmp_buf              _Petsc_jmpbuf; \
334   PetscXIOErrorHandler _Petsc_xioerrhdl = NULL; \
335   PetscBool            _Petsc_isdrawx, _Petsc_xioerr, _Petsc_xioerr_local = PETSC_FALSE; \
336   _Petsc_ierr = PetscObjectTypeCompare((PetscObject)(draw),PETSC_DRAW_X,&_Petsc_isdrawx);CHKERRQ(_Petsc_ierr); \
337   if (_Petsc_isdrawx) { \
338     _Petsc_ierr = PetscMemcpy(&_Petsc_jmpbuf,&PetscXIOErrorHandlerJumpBuf,sizeof(_Petsc_jmpbuf));CHKERRQ(_Petsc_ierr); \
339     _Petsc_xioerrhdl = PetscSetXIOErrorHandler(PetscXIOErrorHandlerJump); \
340     if (setjmp(PetscXIOErrorHandlerJumpBuf)) {_Petsc_xioerr_local = PETSC_TRUE; {_Petsc_ierr = PetscDrawCollectiveEnd(draw);CHKERRQ(_Petsc_ierr);} \
341   } do {} while(0)
342 
343 #define PetscDrawCollectiveEnd(draw) 0; \
344   if (_Petsc_isdrawx) { \
345     (void)PetscSetXIOErrorHandler(_Petsc_xioerrhdl); \
346     _Petsc_ierr = PetscMemcpy(&PetscXIOErrorHandlerJumpBuf,&_Petsc_jmpbuf,sizeof(PetscXIOErrorHandlerJumpBuf));CHKERRQ(_Petsc_ierr); \
347     _Petsc_ierr = MPI_Allreduce(&_Petsc_xioerr_local,&_Petsc_xioerr,1,MPIU_BOOL,MPI_LOR,PetscObjectComm((PetscObject)(draw)));CHKERRQ(_Petsc_ierr); \
348     if (_Petsc_xioerr) { \
349       _Petsc_ierr = PetscDrawSetType((draw),PETSC_DRAW_NULL);CHKERRQ(_Petsc_ierr); \
350       PetscFunctionReturn(0); \
351     } \
352   } } while(0)
353 
354 #else
355 
356 #define PetscDrawCollectiveBegin(draw) 0; do {} while(0)
357 #define PetscDrawCollectiveEnd(draw)   0; do {} while(0)
358 
359 #endif
360 
361 #endif
362