xref: /petsc/include/petscdraw.h (revision 2b8d69ca7ea5fe9190df62c1dce3bbd66fce84dd) 
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 PetscDrawSetOptionsPrefix(PetscDraw,const char[]);
20 PETSC_EXTERN PetscErrorCode PetscDrawSetFromOptions(PetscDraw);
21 PETSC_EXTERN PetscErrorCode PetscDrawSetSave(PetscDraw,const char[]);
22 PETSC_EXTERN PetscErrorCode PetscDrawSetSaveMovie(PetscDraw,const char[]);
23 PETSC_EXTERN PetscErrorCode PetscDrawSetSaveFinalImage(PetscDraw,const char[]);
24 PETSC_EXTERN PetscErrorCode PetscDrawView(PetscDraw,PetscViewer);
25 PETSC_STATIC_INLINE PetscErrorCode PetscDrawViewFromOptions(PetscDraw A,PetscObject obj,const char name[]) {return PetscObjectViewFromOptions((PetscObject)A,obj,name);}
26 
27 /*
28    Number of basic colors in the draw routines, the others are used
29    for a uniform colormap.
30 */
31 #define PETSC_DRAW_BASIC_COLORS 33
32 
33 #define PETSC_DRAW_ROTATE          -1         /* will rotate through the colors, start with 2 */
34 #define PETSC_DRAW_WHITE            0
35 #define PETSC_DRAW_BLACK            1
36 #define PETSC_DRAW_RED              2
37 #define PETSC_DRAW_GREEN            3
38 #define PETSC_DRAW_CYAN             4
39 #define PETSC_DRAW_BLUE             5
40 #define PETSC_DRAW_MAGENTA          6
41 #define PETSC_DRAW_AQUAMARINE       7
42 #define PETSC_DRAW_FORESTGREEN      8
43 #define PETSC_DRAW_ORANGE           9
44 #define PETSC_DRAW_VIOLET          10
45 #define PETSC_DRAW_BROWN           11
46 #define PETSC_DRAW_PINK            12
47 #define PETSC_DRAW_CORAL           13
48 #define PETSC_DRAW_GRAY            14
49 #define PETSC_DRAW_YELLOW          15
50 
51 #define PETSC_DRAW_GOLD            16
52 #define PETSC_DRAW_LIGHTPINK       17
53 #define PETSC_DRAW_MEDIUMTURQUOISE 18
54 #define PETSC_DRAW_KHAKI           19
55 #define PETSC_DRAW_DIMGRAY         20
56 #define PETSC_DRAW_YELLOWGREEN     21
57 #define PETSC_DRAW_SKYBLUE         22
58 #define PETSC_DRAW_DARKGREEN       23
59 #define PETSC_DRAW_NAVYBLUE        24
60 #define PETSC_DRAW_SANDYBROWN      25
61 #define PETSC_DRAW_CADETBLUE       26
62 #define PETSC_DRAW_POWDERBLUE      27
63 #define PETSC_DRAW_DEEPPINK        28
64 #define PETSC_DRAW_THISTLE         29
65 #define PETSC_DRAW_LIMEGREEN       30
66 #define PETSC_DRAW_LAVENDERBLUSH   31
67 #define PETSC_DRAW_PLUM            32
68 
69 /*MC
70 
71    PetscDrawRealToColor - Maps a real value within an interval to a color.
72    The color is an integer value in the range [PETSC_DRAW_BASIC_COLORS to 255]
73    that can be passed to various drawing routines.
74 
75    Synopsis:
76    #include <petscdraw.h>
77    int PetscDrawRealToColor(PetscReal value,PetscReal min,PetscReal max)
78 
79    Not Collective
80 
81    Input Parameter:
82 +  value - value to map within the interval [min,max]
83 .  min - lower end of interval
84 -  max - upper end of interval
85 
86    Notes: Values outside the interval [min,max] are clipped.
87 
88    Level: intermediate
89 
90 .seealso: PetscDrawPointPixel(), PetscDrawPoint(), PetscDrawLine(), PetscDrawTriangle(), PetscDrawRectangle()
91 
92 M*/
93 PETSC_STATIC_INLINE int PetscDrawRealToColor(PetscReal value,PetscReal min,PetscReal max)
94 {
95   value = PetscClipInterval(value,min,max);
96   return PETSC_DRAW_BASIC_COLORS + (int)((255-PETSC_DRAW_BASIC_COLORS)*(value-min)/(max-min));
97 }
98 
99 PETSC_EXTERN PetscErrorCode PetscDrawOpenX(MPI_Comm,const char[],const char[],int,int,int,int,PetscDraw*);
100 PETSC_EXTERN PetscErrorCode PetscDrawOpenGLUT(MPI_Comm,const char[],const char[],int,int,int,int,PetscDraw*);
101 
102 #define PETSC_DRAW_FULL_SIZE    -3
103 #define PETSC_DRAW_HALF_SIZE    -4
104 #define PETSC_DRAW_THIRD_SIZE   -5
105 #define PETSC_DRAW_QUARTER_SIZE -6
106 
107 PETSC_EXTERN PetscErrorCode PetscDrawOpenImage(MPI_Comm,const char[],int,int,PetscDraw*);
108 PETSC_EXTERN PetscErrorCode PetscDrawOpenNull(MPI_Comm,PetscDraw *);
109 PETSC_EXTERN PetscErrorCode PetscDrawDestroy(PetscDraw*);
110 PETSC_EXTERN PetscErrorCode PetscDrawIsNull(PetscDraw,PetscBool *);
111 
112 PETSC_EXTERN PetscErrorCode PetscDrawGetPopup(PetscDraw,PetscDraw*);
113 PETSC_EXTERN PetscErrorCode PetscDrawCheckResizedWindow(PetscDraw);
114 PETSC_EXTERN PetscErrorCode PetscDrawResizeWindow(PetscDraw,int,int);
115 PETSC_EXTERN PetscErrorCode PetscDrawGetWindowSize(PetscDraw,int*,int*);
116 
117 PETSC_EXTERN PetscErrorCode PetscDrawScalePopup(PetscDraw,PetscReal,PetscReal);
118 
119 PETSC_EXTERN PetscErrorCode PetscDrawPixelToCoordinate(PetscDraw,PetscInt,PetscInt,PetscReal*,PetscReal*);
120 PETSC_EXTERN PetscErrorCode PetscDrawCoordinateToPixel(PetscDraw,PetscReal,PetscReal,PetscInt*,PetscInt*);
121 
122 PETSC_EXTERN PetscErrorCode PetscDrawIndicatorFunction(PetscDraw,PetscReal,PetscReal,PetscReal,PetscReal,int,PetscErrorCode (*)(void*,PetscReal,PetscReal,PetscBool*),void*);
123 
124 PETSC_EXTERN PetscErrorCode PetscDrawLine(PetscDraw,PetscReal,PetscReal,PetscReal,PetscReal,int);
125 PETSC_EXTERN PetscErrorCode PetscDrawArrow(PetscDraw,PetscReal,PetscReal,PetscReal,PetscReal,int);
126 PETSC_EXTERN PetscErrorCode PetscDrawLineSetWidth(PetscDraw,PetscReal);
127 PETSC_EXTERN PetscErrorCode PetscDrawLineGetWidth(PetscDraw,PetscReal*);
128 
129 /*E
130     PetscDrawMarkerType - How a "mark" is indicate in a figure
131 
132    Level: intermediate
133 
134 $  PETSC_MARKER_CROSS - a small pixel based x symbol or the character x if that is not available
135 $  PETSC_MARKER_PLUS - a small pixel based + symbol or the character + if that is not available
136 $  PETSC_MARKER_CIRCLE - a small pixel based circle symbol or the character o if that is not available
137 $  PETSC_MARKER_POINT - the make obtained with PetscDrawPoint()
138 
139 .seealso: PetscDrawMarker(), PetscDrawSetMarkerType()
140 E*/
141 typedef enum {PETSC_DRAW_MARKER_CROSS, PETSC_DRAW_MARKER_POINT,PETSC_DRAW_MARKER_PLUS,PETSC_DRAW_MARKER_CIRCLE} PetscDrawMarkerType;
142 PETSC_EXTERN const char *const PetscDrawMarkerTypes[];
143 
144 PETSC_EXTERN PetscErrorCode PetscDrawMarker(PetscDraw,PetscReal,PetscReal,int);
145 PETSC_EXTERN PetscErrorCode PetscDrawSetMarkerType(PetscDraw,PetscDrawMarkerType);
146 PETSC_EXTERN PetscErrorCode PetscDrawGetMarkerType(PetscDraw,PetscDrawMarkerType*);
147 
148 PETSC_EXTERN PetscErrorCode PetscDrawPoint(PetscDraw,PetscReal,PetscReal,int);
149 PETSC_EXTERN PetscErrorCode PetscDrawPointPixel(PetscDraw,PetscInt,PetscInt,int);
150 PETSC_EXTERN PetscErrorCode PetscDrawPointSetSize(PetscDraw,PetscReal);
151 
152 PETSC_EXTERN PetscErrorCode PetscDrawRectangle(PetscDraw,PetscReal,PetscReal,PetscReal,PetscReal,int,int,int,int);
153 PETSC_EXTERN PetscErrorCode PetscDrawTriangle(PetscDraw,PetscReal,PetscReal,PetscReal,PetscReal,PetscReal,PetscReal,int,int,int);
154 PETSC_EXTERN PetscErrorCode PetscDrawEllipse(PetscDraw,PetscReal,PetscReal,PetscReal,PetscReal,int);
155 PETSC_EXTERN PetscErrorCode PetscDrawTensorContourPatch(PetscDraw,int,int,PetscReal*,PetscReal*,PetscReal,PetscReal,PetscReal*);
156 PETSC_EXTERN PetscErrorCode PetscDrawTensorContour(PetscDraw,int,int,const PetscReal[],const PetscReal[],PetscReal *);
157 
158 PETSC_EXTERN PetscErrorCode PetscDrawString(PetscDraw,PetscReal,PetscReal,int,const char[]);
159 PETSC_EXTERN PetscErrorCode PetscDrawStringCentered(PetscDraw,PetscReal,PetscReal,int,const char[]);
160 PETSC_EXTERN PetscErrorCode PetscDrawStringBoxed(PetscDraw,PetscReal,PetscReal,int,int,const char[],PetscReal*,PetscReal*);
161 PETSC_EXTERN PetscErrorCode PetscDrawStringBoxedSize(PetscDraw,const char[],PetscReal*,PetscReal*);
162 PETSC_EXTERN PetscErrorCode PetscDrawStringVertical(PetscDraw,PetscReal,PetscReal,int,const char[]);
163 PETSC_EXTERN PetscErrorCode PetscDrawStringSetSize(PetscDraw,PetscReal,PetscReal);
164 PETSC_EXTERN PetscErrorCode PetscDrawStringGetSize(PetscDraw,PetscReal*,PetscReal*);
165 
166 PETSC_EXTERN PetscErrorCode PetscDrawSetViewPort(PetscDraw,PetscReal,PetscReal,PetscReal,PetscReal);
167 PETSC_EXTERN PetscErrorCode PetscDrawGetViewPort(PetscDraw,PetscReal*,PetscReal*,PetscReal*,PetscReal*);
168 PETSC_EXTERN PetscErrorCode PetscDrawSplitViewPort(PetscDraw);
169 
170 PETSC_EXTERN PetscErrorCode PetscDrawSetCoordinates(PetscDraw,PetscReal,PetscReal,PetscReal,PetscReal);
171 PETSC_EXTERN PetscErrorCode PetscDrawGetCoordinates(PetscDraw,PetscReal*,PetscReal*,PetscReal*,PetscReal*);
172 
173 PETSC_EXTERN PetscErrorCode PetscDrawSetTitle(PetscDraw,const char[]);
174 PETSC_EXTERN PetscErrorCode PetscDrawAppendTitle(PetscDraw,const char[]);
175 PETSC_EXTERN PetscErrorCode PetscDrawGetTitle(PetscDraw,char **);
176 
177 PETSC_EXTERN PetscErrorCode PetscDrawSetPause(PetscDraw,PetscReal);
178 PETSC_EXTERN PetscErrorCode PetscDrawGetPause(PetscDraw,PetscReal*);
179 PETSC_EXTERN PetscErrorCode PetscDrawPause(PetscDraw);
180 PETSC_EXTERN PetscErrorCode PetscDrawSetDoubleBuffer(PetscDraw);
181 PETSC_EXTERN PetscErrorCode PetscDrawClear(PetscDraw);
182 PETSC_EXTERN PetscErrorCode PetscDrawFlush(PetscDraw);
183 PETSC_EXTERN PetscErrorCode PetscDrawSave(PetscDraw);
184 PETSC_EXTERN PetscErrorCode PetscDrawSaveMovie(PetscDraw);
185 PETSC_EXTERN PetscErrorCode PetscDrawBOP(PetscDraw);
186 PETSC_EXTERN PetscErrorCode PetscDrawEOP(PetscDraw);
187 
188 PETSC_EXTERN PetscErrorCode PetscDrawSetDisplay(PetscDraw,const char[]);
189 PETSC_EXTERN PetscErrorCode PetscDrawGetSingleton(PetscDraw,PetscDraw*);
190 PETSC_EXTERN PetscErrorCode PetscDrawRestoreSingleton(PetscDraw,PetscDraw*);
191 
192 PETSC_EXTERN PetscErrorCode PetscDrawGetCurrentPoint(PetscDraw,PetscReal*,PetscReal*);
193 PETSC_EXTERN PetscErrorCode PetscDrawSetCurrentPoint(PetscDraw,PetscReal,PetscReal);
194 PETSC_EXTERN PetscErrorCode PetscDrawPushCurrentPoint(PetscDraw,PetscReal,PetscReal);
195 PETSC_EXTERN PetscErrorCode PetscDrawPopCurrentPoint(PetscDraw);
196 PETSC_EXTERN PetscErrorCode PetscDrawGetBoundingBox(PetscDraw,PetscReal*,PetscReal*,PetscReal*,PetscReal*);
197 
198 /*E
199     PetscDrawButton - Used to determine which button was pressed
200 
201    Level: intermediate
202 
203 .seealso: PetscDrawGetMouseButton()
204 E*/
205 typedef enum { PETSC_BUTTON_NONE = 0,
206                PETSC_BUTTON_LEFT,PETSC_BUTTON_CENTER,PETSC_BUTTON_RIGHT,
207                PETSC_BUTTON_WHEEL_UP,PETSC_BUTTON_WHEEL_DOWN,
208                PETSC_BUTTON_LEFT_SHIFT,PETSC_BUTTON_CENTER_SHIFT,PETSC_BUTTON_RIGHT_SHIFT } PetscDrawButton;
209 
210 PETSC_EXTERN PetscErrorCode PetscDrawGetMouseButton(PetscDraw,PetscDrawButton *,PetscReal*,PetscReal *,PetscReal *,PetscReal *);
211 
212 PETSC_EXTERN PetscErrorCode PetscDrawZoom(PetscDraw,PetscErrorCode (*)(PetscDraw,void *),void *);
213 
214 /*S
215      PetscDrawViewPorts - Subwindows in a PetscDraw object
216 
217    Level: intermediate
218 
219   Concepts: graphics
220 
221 .seealso:  PetscDrawViewPortsCreate(), PetscDrawViewPortsSet()
222 S*/
223 typedef struct {
224   PetscInt  nports;
225   PetscReal *xl;
226   PetscReal *xr;
227   PetscReal *yl;
228   PetscReal *yr;
229   PetscDraw draw;
230   PetscReal port_xl,port_yl,port_xr,port_yr;   /* original port of parent PetscDraw */
231 
232 } PetscDrawViewPorts;
233 PETSC_EXTERN PetscErrorCode PetscDrawViewPortsCreate(PetscDraw,PetscInt,PetscDrawViewPorts**);
234 PETSC_EXTERN PetscErrorCode PetscDrawViewPortsCreateRect(PetscDraw,PetscInt,PetscInt,PetscDrawViewPorts**);
235 PETSC_EXTERN PetscErrorCode PetscDrawViewPortsDestroy(PetscDrawViewPorts*);
236 PETSC_EXTERN PetscErrorCode PetscDrawViewPortsSet(PetscDrawViewPorts*,PetscInt);
237 
238 PETSC_EXTERN PetscClassId PETSC_DRAWAXIS_CLASSID;
239 
240 PETSC_EXTERN PetscErrorCode PetscDrawAxisCreate(PetscDraw,PetscDrawAxis *);
241 PETSC_EXTERN PetscErrorCode PetscDrawAxisDestroy(PetscDrawAxis*);
242 PETSC_EXTERN PetscErrorCode PetscDrawAxisDraw(PetscDrawAxis);
243 PETSC_EXTERN PetscErrorCode PetscDrawAxisSetLimits(PetscDrawAxis,PetscReal,PetscReal,PetscReal,PetscReal);
244 PETSC_EXTERN PetscErrorCode PetscDrawAxisGetLimits(PetscDrawAxis,PetscReal*,PetscReal*,PetscReal*,PetscReal*);
245 PETSC_EXTERN PetscErrorCode PetscDrawAxisSetHoldLimits(PetscDrawAxis,PetscBool );
246 PETSC_EXTERN PetscErrorCode PetscDrawAxisSetColors(PetscDrawAxis,int,int,int);
247 PETSC_EXTERN PetscErrorCode PetscDrawAxisSetLabels(PetscDrawAxis,const char[],const char[],const char[]);
248 
249 PETSC_EXTERN PetscClassId PETSC_DRAWLG_CLASSID;
250 
251 PETSC_EXTERN PetscErrorCode PetscDrawLGCreate(PetscDraw,PetscInt,PetscDrawLG *);
252 PETSC_EXTERN PetscErrorCode PetscDrawLGDestroy(PetscDrawLG*);
253 PETSC_EXTERN PetscErrorCode PetscDrawLGAddPoint(PetscDrawLG,const PetscReal*,const PetscReal*);
254 PETSC_EXTERN PetscErrorCode PetscDrawLGAddCommonPoint(PetscDrawLG,const PetscReal,const PetscReal*);
255 PETSC_EXTERN PetscErrorCode PetscDrawLGAddPoints(PetscDrawLG,PetscInt,PetscReal**,PetscReal**);
256 PETSC_EXTERN PetscErrorCode PetscDrawLGDraw(PetscDrawLG);
257 PETSC_EXTERN PetscErrorCode PetscDrawLGSave(PetscDrawLG);
258 PETSC_EXTERN PetscErrorCode PetscDrawLGView(PetscDrawLG,PetscViewer);
259 PETSC_EXTERN PetscErrorCode PetscDrawLGReset(PetscDrawLG);
260 PETSC_EXTERN PetscErrorCode PetscDrawLGSetDimension(PetscDrawLG,PetscInt);
261 PETSC_EXTERN PetscErrorCode PetscDrawLGGetDimension(PetscDrawLG,PetscInt*);
262 PETSC_EXTERN PetscErrorCode PetscDrawLGSetLegend(PetscDrawLG,const char *const*);
263 PETSC_EXTERN PetscErrorCode PetscDrawLGGetAxis(PetscDrawLG,PetscDrawAxis *);
264 PETSC_EXTERN PetscErrorCode PetscDrawLGGetDraw(PetscDrawLG,PetscDraw *);
265 PETSC_EXTERN PetscErrorCode PetscDrawLGSetUseMarkers(PetscDrawLG,PetscBool);
266 PETSC_EXTERN PetscErrorCode PetscDrawLGSetLimits(PetscDrawLG,PetscReal,PetscReal,PetscReal,PetscReal);
267 PETSC_EXTERN PetscErrorCode PetscDrawLGSetColors(PetscDrawLG,const int*);
268 PETSC_EXTERN PetscErrorCode PetscDrawLGSetOptionsPrefix(PetscDrawLG,const char[]);
269 PETSC_EXTERN PetscErrorCode PetscDrawLGSetFromOptions(PetscDrawLG);
270 
271 PETSC_EXTERN PetscClassId PETSC_DRAWSP_CLASSID;
272 
273 PETSC_EXTERN PetscErrorCode PetscDrawSPCreate(PetscDraw,int,PetscDrawSP *);
274 PETSC_EXTERN PetscErrorCode PetscDrawSPDestroy(PetscDrawSP*);
275 PETSC_EXTERN PetscErrorCode PetscDrawSPAddPoint(PetscDrawSP,PetscReal*,PetscReal*);
276 PETSC_EXTERN PetscErrorCode PetscDrawSPAddPoints(PetscDrawSP,int,PetscReal**,PetscReal**);
277 PETSC_EXTERN PetscErrorCode PetscDrawSPDraw(PetscDrawSP,PetscBool);
278 PETSC_EXTERN PetscErrorCode PetscDrawSPSave(PetscDrawSP);
279 PETSC_EXTERN PetscErrorCode PetscDrawSPReset(PetscDrawSP);
280 PETSC_EXTERN PetscErrorCode PetscDrawSPSetDimension(PetscDrawSP,int);
281 PETSC_EXTERN PetscErrorCode PetscDrawSPGetAxis(PetscDrawSP,PetscDrawAxis *);
282 PETSC_EXTERN PetscErrorCode PetscDrawSPGetDraw(PetscDrawSP,PetscDraw *);
283 PETSC_EXTERN PetscErrorCode PetscDrawSPSetLimits(PetscDrawSP,PetscReal,PetscReal,PetscReal,PetscReal);
284 PETSC_EXTERN PetscErrorCode PetscDrawLGSPDraw(PetscDrawLG,PetscDrawSP);
285 
286 PETSC_EXTERN PetscClassId PETSC_DRAWHG_CLASSID;
287 
288 PETSC_EXTERN PetscErrorCode PetscDrawHGCreate(PetscDraw,int,PetscDrawHG *);
289 PETSC_EXTERN PetscErrorCode PetscDrawHGDestroy(PetscDrawHG*);
290 PETSC_EXTERN PetscErrorCode PetscDrawHGAddValue(PetscDrawHG,PetscReal);
291 PETSC_EXTERN PetscErrorCode PetscDrawHGDraw(PetscDrawHG);
292 PETSC_EXTERN PetscErrorCode PetscDrawHGSave(PetscDrawHG);
293 PETSC_EXTERN PetscErrorCode PetscDrawHGView(PetscDrawHG,PetscViewer);
294 PETSC_EXTERN PetscErrorCode PetscDrawHGReset(PetscDrawHG);
295 PETSC_EXTERN PetscErrorCode PetscDrawHGGetAxis(PetscDrawHG,PetscDrawAxis *);
296 PETSC_EXTERN PetscErrorCode PetscDrawHGGetDraw(PetscDrawHG,PetscDraw *);
297 PETSC_EXTERN PetscErrorCode PetscDrawHGSetLimits(PetscDrawHG,PetscReal,PetscReal,int,int);
298 PETSC_EXTERN PetscErrorCode PetscDrawHGSetNumberBins(PetscDrawHG,int);
299 PETSC_EXTERN PetscErrorCode PetscDrawHGSetColor(PetscDrawHG,int);
300 PETSC_EXTERN PetscErrorCode PetscDrawHGCalcStats(PetscDrawHG, PetscBool );
301 PETSC_EXTERN PetscErrorCode PetscDrawHGIntegerBins(PetscDrawHG, PetscBool );
302 
303 PETSC_EXTERN PetscClassId PETSC_DRAWBAR_CLASSID;
304 
305 PETSC_EXTERN PetscErrorCode PetscDrawBarCreate(PetscDraw,PetscDrawBar*);
306 PETSC_EXTERN PetscErrorCode PetscDrawBarSetData(PetscDrawBar,PetscInt,const PetscReal[],const char *const *);
307 PETSC_EXTERN PetscErrorCode PetscDrawBarDestroy(PetscDrawBar*);
308 PETSC_EXTERN PetscErrorCode PetscDrawBarDraw(PetscDrawBar);
309 PETSC_EXTERN PetscErrorCode PetscDrawBarSave(PetscDrawBar);
310 PETSC_EXTERN PetscErrorCode PetscDrawBarSetColor(PetscDrawBar,int);
311 PETSC_EXTERN PetscErrorCode PetscDrawBarSetLimits(PetscDrawBar,PetscReal,PetscReal);
312 PETSC_EXTERN PetscErrorCode PetscDrawBarSort(PetscDrawBar,PetscBool,PetscReal);
313 PETSC_EXTERN PetscErrorCode PetscDrawBarSetFromOptions(PetscDrawBar);
314 PETSC_EXTERN PetscErrorCode PetscDrawBarGetAxis(PetscDrawBar,PetscDrawAxis*);
315 PETSC_EXTERN PetscErrorCode PetscDrawBarGetDraw(PetscDrawBar,PetscDraw*);
316 
317 /*
318     PetscViewer routines that allow you to access underlying PetscDraw objects
319 */
320 PETSC_EXTERN PetscErrorCode PetscViewerDrawGetDraw(PetscViewer,PetscInt,PetscDraw*);
321 PETSC_EXTERN PetscErrorCode PetscViewerDrawBaseAdd(PetscViewer,PetscInt);
322 PETSC_EXTERN PetscErrorCode PetscViewerDrawBaseSet(PetscViewer,PetscInt);
323 PETSC_EXTERN PetscErrorCode PetscViewerDrawGetDrawLG(PetscViewer,PetscInt,PetscDrawLG*);
324 PETSC_EXTERN PetscErrorCode PetscViewerDrawGetDrawAxis(PetscViewer,PetscInt,PetscDrawAxis*);
325 
326 PETSC_EXTERN PetscErrorCode PetscDrawUtilitySetCmap(const char[],int,unsigned char[],unsigned char[],unsigned char[]);
327 PETSC_EXTERN PetscErrorCode PetscDrawUtilitySetGamma(PetscReal);
328 
329 /*
330     Handling of X11 I/O errors in parallel
331 */
332 #if defined(PETSC_HAVE_X) && defined(PETSC_HAVE_SETJMP_H)
333 
334 #include <setjmp.h>
335 
336 PETSC_EXTERN jmp_buf PetscXIOErrorHandlerJumpBuf;
337 PETSC_EXTERN void    PetscXIOErrorHandlerJump(void *);
338 PETSC_EXTERN_TYPEDEF typedef void (*PetscXIOErrorHandler)(void *);
339 PETSC_EXTERN PetscXIOErrorHandler PetscSetXIOErrorHandler(PetscXIOErrorHandler);
340 
341 #define PetscDrawCollectiveBegin(draw) 0; do { \
342   PetscErrorCode       _Petsc_ierr; \
343   jmp_buf              _Petsc_jmpbuf; \
344   PetscXIOErrorHandler _Petsc_xioerrhdl = NULL; \
345   PetscBool            _Petsc_isdrawx, _Petsc_xioerr, _Petsc_xioerr_local = PETSC_FALSE; \
346   _Petsc_ierr = PetscObjectTypeCompare((PetscObject)(draw),PETSC_DRAW_X,&_Petsc_isdrawx);CHKERRQ(_Petsc_ierr); \
347   if (_Petsc_isdrawx) { \
348     _Petsc_ierr = PetscMemcpy(&_Petsc_jmpbuf,&PetscXIOErrorHandlerJumpBuf,sizeof(_Petsc_jmpbuf));CHKERRQ(_Petsc_ierr); \
349     _Petsc_xioerrhdl = PetscSetXIOErrorHandler(PetscXIOErrorHandlerJump); \
350     if (setjmp(PetscXIOErrorHandlerJumpBuf)) {_Petsc_xioerr_local = PETSC_TRUE; {_Petsc_ierr = PetscDrawCollectiveEnd(draw);CHKERRQ(_Petsc_ierr);} \
351   } do {} while(0)
352 
353 #define PetscDrawCollectiveEnd(draw) 0; \
354   if (_Petsc_isdrawx) { \
355     (void)PetscSetXIOErrorHandler(_Petsc_xioerrhdl); \
356     _Petsc_ierr = PetscMemcpy(&PetscXIOErrorHandlerJumpBuf,&_Petsc_jmpbuf,sizeof(PetscXIOErrorHandlerJumpBuf));CHKERRQ(_Petsc_ierr); \
357     _Petsc_ierr = MPI_Allreduce(&_Petsc_xioerr_local,&_Petsc_xioerr,1,MPIU_BOOL,MPI_LOR,PetscObjectComm((PetscObject)(draw)));CHKERRQ(_Petsc_ierr); \
358     if (_Petsc_xioerr) { \
359       _Petsc_ierr = PetscDrawSetType((draw),PETSC_DRAW_NULL);CHKERRQ(_Petsc_ierr); \
360       PetscFunctionReturn(0); \
361     } \
362   } } while(0)
363 
364 #else
365 
366 #define PetscDrawCollectiveBegin(draw) 0; do {} while(0)
367 #define PetscDrawCollectiveEnd(draw)   0; do {} while(0)
368 
369 #endif
370 
371 #endif
372