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>

  9: PETSC_EXTERN PetscClassId PETSC_DRAW_CLASSID;

 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));

 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_EXTERN PetscErrorCode PetscDrawViewFromOptions(PetscDraw,PetscObject,const char[]);

 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

 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

 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: #define PETSC_DRAW_MAXCOLOR       256

 70: /*MC

 72:    PetscDrawRealToColor - Maps a real value within an interval to a color.
 73:    The color is an integer value in the range [PETSC_DRAW_BASIC_COLORS to 255]
 74:    that can be passed to various drawing routines.

 76:    Synopsis:
 77: #include <petscdraw.h>
 78:    int PetscDrawRealToColor(PetscReal value,PetscReal min,PetscReal max)

 80:    Not Collective

 82:    Input Parameters:
 83: +  value - value to map within the interval [min,max]
 84: .  min - lower end of interval
 85: -  max - upper end of interval

 87:    Notes:
 88:     Values outside the interval [min,max] are clipped.

 90:    Level: intermediate

 92: .seealso: PetscDrawPointPixel(), PetscDrawPoint(), PetscDrawLine(), PetscDrawTriangle(), PetscDrawRectangle()

 94: M*/
 95: PETSC_STATIC_INLINE int PetscDrawRealToColor(PetscReal value,PetscReal min,PetscReal max)
 96: {
 97:   value = PetscClipInterval(value,min,max);
 98:   return PETSC_DRAW_BASIC_COLORS + (int)((255-PETSC_DRAW_BASIC_COLORS)*(value-min)/(max-min));
 99: }

101: PETSC_EXTERN PetscErrorCode PetscDrawOpenX(MPI_Comm,const char[],const char[],int,int,int,int,PetscDraw*);

103: #define PETSC_DRAW_FULL_SIZE    -3
104: #define PETSC_DRAW_HALF_SIZE    -4
105: #define PETSC_DRAW_THIRD_SIZE   -5
106: #define PETSC_DRAW_QUARTER_SIZE -6

108: PETSC_EXTERN PetscErrorCode PetscDrawOpenImage(MPI_Comm,const char[],int,int,PetscDraw*);
109: PETSC_EXTERN PetscErrorCode PetscDrawOpenNull(MPI_Comm,PetscDraw *);
110: PETSC_EXTERN PetscErrorCode PetscDrawDestroy(PetscDraw*);
111: PETSC_EXTERN PetscErrorCode PetscDrawIsNull(PetscDraw,PetscBool *);

113: PETSC_EXTERN PetscErrorCode PetscDrawGetPopup(PetscDraw,PetscDraw*);
114: PETSC_EXTERN PetscErrorCode PetscDrawScalePopup(PetscDraw,PetscReal,PetscReal);

116: PETSC_EXTERN PetscErrorCode PetscDrawCheckResizedWindow(PetscDraw);
117: PETSC_EXTERN PetscErrorCode PetscDrawResizeWindow(PetscDraw,int,int);
118: PETSC_EXTERN PetscErrorCode PetscDrawGetWindowSize(PetscDraw,int*,int*);
119: PETSC_EXTERN PetscErrorCode PetscDrawPixelToCoordinate(PetscDraw,int,int,PetscReal*,PetscReal*);
120: PETSC_EXTERN PetscErrorCode PetscDrawCoordinateToPixel(PetscDraw,PetscReal,PetscReal,int*,int*);

122: PETSC_EXTERN PetscErrorCode PetscDrawIndicatorFunction(PetscDraw,PetscReal,PetscReal,PetscReal,PetscReal,int,PetscErrorCode (*)(void*,PetscReal,PetscReal,PetscBool*),void*);

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*);

129: /*E
130:     PetscDrawMarkerType - How a "mark" is indicate in a figure

132:    Level: intermediate

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()

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[];

144: PETSC_EXTERN PetscErrorCode PetscDrawMarker(PetscDraw,PetscReal,PetscReal,int);
145: PETSC_EXTERN PetscErrorCode PetscDrawSetMarkerType(PetscDraw,PetscDrawMarkerType);
146: PETSC_EXTERN PetscErrorCode PetscDrawGetMarkerType(PetscDraw,PetscDrawMarkerType*);

148: PETSC_EXTERN PetscErrorCode PetscDrawPoint(PetscDraw,PetscReal,PetscReal,int);
149: PETSC_EXTERN PetscErrorCode PetscDrawPointPixel(PetscDraw,int,int,int);
150: PETSC_EXTERN PetscErrorCode PetscDrawPointSetSize(PetscDraw,PetscReal);

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 *);

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 PetscDrawStringVertical(PetscDraw,PetscReal,PetscReal,int,const char[]);
162: PETSC_EXTERN PetscErrorCode PetscDrawStringSetSize(PetscDraw,PetscReal,PetscReal);
163: PETSC_EXTERN PetscErrorCode PetscDrawStringGetSize(PetscDraw,PetscReal*,PetscReal*);

165: PETSC_EXTERN PetscErrorCode PetscDrawSetViewPort(PetscDraw,PetscReal,PetscReal,PetscReal,PetscReal);
166: PETSC_EXTERN PetscErrorCode PetscDrawGetViewPort(PetscDraw,PetscReal*,PetscReal*,PetscReal*,PetscReal*);
167: PETSC_EXTERN PetscErrorCode PetscDrawSplitViewPort(PetscDraw);

169: PETSC_EXTERN PetscErrorCode PetscDrawSetCoordinates(PetscDraw,PetscReal,PetscReal,PetscReal,PetscReal);
170: PETSC_EXTERN PetscErrorCode PetscDrawGetCoordinates(PetscDraw,PetscReal*,PetscReal*,PetscReal*,PetscReal*);

172: PETSC_EXTERN PetscErrorCode PetscDrawSetTitle(PetscDraw,const char[]);
173: PETSC_EXTERN PetscErrorCode PetscDrawAppendTitle(PetscDraw,const char[]);
174: PETSC_EXTERN PetscErrorCode PetscDrawGetTitle(PetscDraw,const char *[]);

176: PETSC_EXTERN PetscErrorCode PetscDrawSetPause(PetscDraw,PetscReal);
177: PETSC_EXTERN PetscErrorCode PetscDrawGetPause(PetscDraw,PetscReal*);
178: PETSC_EXTERN PetscErrorCode PetscDrawPause(PetscDraw);
179: PETSC_EXTERN PetscErrorCode PetscDrawSetDoubleBuffer(PetscDraw);
180: PETSC_EXTERN PetscErrorCode PetscDrawClear(PetscDraw);
181: PETSC_EXTERN PetscErrorCode PetscDrawFlush(PetscDraw);
182: PETSC_EXTERN PetscErrorCode PetscDrawSave(PetscDraw);
183: PETSC_EXTERN PetscErrorCode PetscDrawSaveMovie(PetscDraw);
184: PETSC_EXTERN PetscErrorCode PetscDrawBOP(PetscDraw);
185: PETSC_EXTERN PetscErrorCode PetscDrawEOP(PetscDraw);

187: PETSC_EXTERN PetscErrorCode PetscDrawSetDisplay(PetscDraw,const char[]);
188: PETSC_EXTERN PetscErrorCode PetscDrawGetSingleton(PetscDraw,PetscDraw*);
189: PETSC_EXTERN PetscErrorCode PetscDrawRestoreSingleton(PetscDraw,PetscDraw*);

191: PETSC_EXTERN PetscErrorCode PetscDrawGetCurrentPoint(PetscDraw,PetscReal*,PetscReal*);
192: PETSC_EXTERN PetscErrorCode PetscDrawSetCurrentPoint(PetscDraw,PetscReal,PetscReal);
193: PETSC_EXTERN PetscErrorCode PetscDrawPushCurrentPoint(PetscDraw,PetscReal,PetscReal);
194: PETSC_EXTERN PetscErrorCode PetscDrawPopCurrentPoint(PetscDraw);
195: PETSC_EXTERN PetscErrorCode PetscDrawGetBoundingBox(PetscDraw,PetscReal*,PetscReal*,PetscReal*,PetscReal*);

197: /*E
198:     PetscDrawButton - Used to determine which button was pressed

200:    Level: intermediate

202: .seealso: PetscDrawGetMouseButton()
203: E*/
204: typedef enum { PETSC_BUTTON_NONE = 0,
205:                PETSC_BUTTON_LEFT,PETSC_BUTTON_CENTER,PETSC_BUTTON_RIGHT,
206:                PETSC_BUTTON_WHEEL_UP,PETSC_BUTTON_WHEEL_DOWN,
207:                PETSC_BUTTON_LEFT_SHIFT,PETSC_BUTTON_CENTER_SHIFT,PETSC_BUTTON_RIGHT_SHIFT } PetscDrawButton;

209: PETSC_EXTERN PetscErrorCode PetscDrawGetMouseButton(PetscDraw,PetscDrawButton *,PetscReal*,PetscReal *,PetscReal *,PetscReal *);

211: PETSC_EXTERN PetscErrorCode PetscDrawZoom(PetscDraw,PetscErrorCode (*)(PetscDraw,void *),void *);

213: /*S
214:      PetscDrawViewPorts - Subwindows in a PetscDraw object

216:    Level: intermediate

218: .seealso:  PetscDrawViewPortsCreate(), PetscDrawViewPortsSet()
219: S*/
220: typedef struct {
221:   PetscInt  nports;
222:   PetscReal *xl;
223:   PetscReal *xr;
224:   PetscReal *yl;
225:   PetscReal *yr;
226:   PetscDraw draw;
227:   PetscReal port_xl,port_yl,port_xr,port_yr;   /* original port of parent PetscDraw */
228: } PetscDrawViewPorts;
229: PETSC_EXTERN PetscErrorCode PetscDrawViewPortsCreate(PetscDraw,PetscInt,PetscDrawViewPorts**);
230: PETSC_EXTERN PetscErrorCode PetscDrawViewPortsCreateRect(PetscDraw,PetscInt,PetscInt,PetscDrawViewPorts**);
231: PETSC_EXTERN PetscErrorCode PetscDrawViewPortsDestroy(PetscDrawViewPorts*);
232: PETSC_EXTERN PetscErrorCode PetscDrawViewPortsSet(PetscDrawViewPorts*,PetscInt);

234: PETSC_EXTERN PetscClassId PETSC_DRAWAXIS_CLASSID;

236: PETSC_EXTERN PetscErrorCode PetscDrawAxisCreate(PetscDraw,PetscDrawAxis*);
237: PETSC_EXTERN PetscErrorCode PetscDrawAxisDestroy(PetscDrawAxis*);
238: PETSC_EXTERN PetscErrorCode PetscDrawAxisDraw(PetscDrawAxis);
239: PETSC_EXTERN PetscErrorCode PetscDrawAxisSetLimits(PetscDrawAxis,PetscReal,PetscReal,PetscReal,PetscReal);
240: PETSC_EXTERN PetscErrorCode PetscDrawAxisGetLimits(PetscDrawAxis,PetscReal*,PetscReal*,PetscReal*,PetscReal*);
241: PETSC_EXTERN PetscErrorCode PetscDrawAxisSetHoldLimits(PetscDrawAxis,PetscBool);
242: PETSC_EXTERN PetscErrorCode PetscDrawAxisSetColors(PetscDrawAxis,int,int,int);
243: PETSC_EXTERN PetscErrorCode PetscDrawAxisSetLabels(PetscDrawAxis,const char[],const char[],const char[]);

245: PETSC_EXTERN PetscClassId PETSC_DRAWLG_CLASSID;

247: PETSC_EXTERN PetscErrorCode PetscDrawLGCreate(PetscDraw,PetscInt,PetscDrawLG*);
248: PETSC_EXTERN PetscErrorCode PetscDrawLGDestroy(PetscDrawLG*);
249: PETSC_EXTERN PetscErrorCode PetscDrawLGAddPoint(PetscDrawLG,const PetscReal*,const PetscReal*);
250: PETSC_EXTERN PetscErrorCode PetscDrawLGAddCommonPoint(PetscDrawLG,const PetscReal,const PetscReal*);
251: PETSC_EXTERN PetscErrorCode PetscDrawLGAddPoints(PetscDrawLG,PetscInt,PetscReal**,PetscReal**);
252: PETSC_EXTERN PetscErrorCode PetscDrawLGDraw(PetscDrawLG);
253: PETSC_EXTERN PetscErrorCode PetscDrawLGSave(PetscDrawLG);
254: PETSC_EXTERN PetscErrorCode PetscDrawLGView(PetscDrawLG,PetscViewer);
255: PETSC_EXTERN PetscErrorCode PetscDrawLGReset(PetscDrawLG);
256: PETSC_EXTERN PetscErrorCode PetscDrawLGSetDimension(PetscDrawLG,PetscInt);
257: PETSC_EXTERN PetscErrorCode PetscDrawLGGetDimension(PetscDrawLG,PetscInt*);
258: PETSC_EXTERN PetscErrorCode PetscDrawLGSetLegend(PetscDrawLG,const char *const*);
259: PETSC_EXTERN PetscErrorCode PetscDrawLGGetAxis(PetscDrawLG,PetscDrawAxis*);
260: PETSC_EXTERN PetscErrorCode PetscDrawLGGetDraw(PetscDrawLG,PetscDraw*);
261: PETSC_EXTERN PetscErrorCode PetscDrawLGSetUseMarkers(PetscDrawLG,PetscBool);
262: PETSC_EXTERN PetscErrorCode PetscDrawLGSetLimits(PetscDrawLG,PetscReal,PetscReal,PetscReal,PetscReal);
263: PETSC_EXTERN PetscErrorCode PetscDrawLGSetColors(PetscDrawLG,const int[]);
264: PETSC_EXTERN PetscErrorCode PetscDrawLGSetOptionsPrefix(PetscDrawLG,const char[]);
265: PETSC_EXTERN PetscErrorCode PetscDrawLGSetFromOptions(PetscDrawLG);

267: PETSC_EXTERN PetscClassId PETSC_DRAWSP_CLASSID;

269: PETSC_EXTERN PetscErrorCode PetscDrawSPCreate(PetscDraw,int,PetscDrawSP*);
270: PETSC_EXTERN PetscErrorCode PetscDrawSPDestroy(PetscDrawSP*);
271: PETSC_EXTERN PetscErrorCode PetscDrawSPAddPoint(PetscDrawSP,PetscReal*,PetscReal*);
272: PETSC_EXTERN PetscErrorCode PetscDrawSPAddPoints(PetscDrawSP,int,PetscReal**,PetscReal**);
273: PETSC_EXTERN PetscErrorCode PetscDrawSPDraw(PetscDrawSP,PetscBool);
274: PETSC_EXTERN PetscErrorCode PetscDrawSPSave(PetscDrawSP);
275: PETSC_EXTERN PetscErrorCode PetscDrawSPReset(PetscDrawSP);
276: PETSC_EXTERN PetscErrorCode PetscDrawSPSetDimension(PetscDrawSP,int);
277: PETSC_EXTERN PetscErrorCode PetscDrawSPGetAxis(PetscDrawSP,PetscDrawAxis*);
278: PETSC_EXTERN PetscErrorCode PetscDrawSPGetDraw(PetscDrawSP,PetscDraw*);
279: PETSC_EXTERN PetscErrorCode PetscDrawSPSetLimits(PetscDrawSP,PetscReal,PetscReal,PetscReal,PetscReal);
280: PETSC_EXTERN PetscErrorCode PetscDrawLGSPDraw(PetscDrawLG,PetscDrawSP);

282: PETSC_EXTERN PetscClassId PETSC_DRAWHG_CLASSID;

284: PETSC_EXTERN PetscErrorCode PetscDrawHGCreate(PetscDraw,int,PetscDrawHG*);
285: PETSC_EXTERN PetscErrorCode PetscDrawHGDestroy(PetscDrawHG*);
286: PETSC_EXTERN PetscErrorCode PetscDrawHGAddValue(PetscDrawHG,PetscReal);
287: PETSC_EXTERN PetscErrorCode PetscDrawHGDraw(PetscDrawHG);
288: PETSC_EXTERN PetscErrorCode PetscDrawHGSave(PetscDrawHG);
289: PETSC_EXTERN PetscErrorCode PetscDrawHGView(PetscDrawHG,PetscViewer);
290: PETSC_EXTERN PetscErrorCode PetscDrawHGReset(PetscDrawHG);
291: PETSC_EXTERN PetscErrorCode PetscDrawHGGetAxis(PetscDrawHG,PetscDrawAxis*);
292: PETSC_EXTERN PetscErrorCode PetscDrawHGGetDraw(PetscDrawHG,PetscDraw*);
293: PETSC_EXTERN PetscErrorCode PetscDrawHGSetLimits(PetscDrawHG,PetscReal,PetscReal,int,int);
294: PETSC_EXTERN PetscErrorCode PetscDrawHGSetNumberBins(PetscDrawHG,int);
295: PETSC_EXTERN PetscErrorCode PetscDrawHGSetColor(PetscDrawHG,int);
296: PETSC_EXTERN PetscErrorCode PetscDrawHGCalcStats(PetscDrawHG, PetscBool);
297: PETSC_EXTERN PetscErrorCode PetscDrawHGIntegerBins(PetscDrawHG, PetscBool);

299: PETSC_EXTERN PetscClassId PETSC_DRAWBAR_CLASSID;

301: PETSC_EXTERN PetscErrorCode PetscDrawBarCreate(PetscDraw,PetscDrawBar*);
302: PETSC_EXTERN PetscErrorCode PetscDrawBarSetData(PetscDrawBar,PetscInt,const PetscReal[],const char *const*);
303: PETSC_EXTERN PetscErrorCode PetscDrawBarDestroy(PetscDrawBar*);
304: PETSC_EXTERN PetscErrorCode PetscDrawBarDraw(PetscDrawBar);
305: PETSC_EXTERN PetscErrorCode PetscDrawBarSave(PetscDrawBar);
306: PETSC_EXTERN PetscErrorCode PetscDrawBarSetColor(PetscDrawBar,int);
307: PETSC_EXTERN PetscErrorCode PetscDrawBarSetLimits(PetscDrawBar,PetscReal,PetscReal);
308: PETSC_EXTERN PetscErrorCode PetscDrawBarSort(PetscDrawBar,PetscBool,PetscReal);
309: PETSC_EXTERN PetscErrorCode PetscDrawBarSetFromOptions(PetscDrawBar);
310: PETSC_EXTERN PetscErrorCode PetscDrawBarGetAxis(PetscDrawBar,PetscDrawAxis*);
311: PETSC_EXTERN PetscErrorCode PetscDrawBarGetDraw(PetscDrawBar,PetscDraw*);

313: PETSC_EXTERN PetscErrorCode PetscDrawUtilitySetCmap(const char[],int,unsigned char[],unsigned char[],unsigned char[]);
314: PETSC_EXTERN PetscErrorCode PetscDrawUtilitySetGamma(PetscReal);

316: /*
317:     Handling of X11 I/O errors in parallel
318: */
319: #if defined(PETSC_HAVE_X) && defined(PETSC_HAVE_SETJMP_H)

321: #include <setjmp.h>

323: PETSC_EXTERN jmp_buf PetscXIOErrorHandlerJumpBuf;
324: PETSC_EXTERN void    PetscXIOErrorHandlerJump(void *);
325: PETSC_EXTERN_TYPEDEF typedef void (*PetscXIOErrorHandler)(void *);
326: PETSC_EXTERN PetscXIOErrorHandler PetscSetXIOErrorHandler(PetscXIOErrorHandler);

328: #define PetscDrawCollectiveBegin(draw) 0; do { \
329:   PetscErrorCode                _Petsc_ierr; \
330:   jmp_buf                       _Petsc_jmpbuf; \
331:   volatile PetscXIOErrorHandler _Petsc_xioerrhdl = NULL; \
332:   PetscBool                     _Petsc_isdrawx, _Petsc_xioerr, _Petsc_xioerr_local = PETSC_FALSE; \
333:   _Petsc_PetscObjectTypeCompare((PetscObject)(draw),PETSC_DRAW_X,&_Petsc_isdrawx);CHKERRQ(_Petsc_ierr); \
334:   if (_Petsc_isdrawx) { \
335:     _Petsc_PetscMemcpy(&_Petsc_jmpbuf,&PetscXIOErrorHandlerJumpBuf,sizeof(_Petsc_jmpbuf));CHKERRQ(_Petsc_ierr); \
336:     _Petsc_xioerrhdl = PetscSetXIOErrorHandler(PetscXIOErrorHandlerJump); \
337:     if (setjmp(PetscXIOErrorHandlerJumpBuf)) {_Petsc_xioerr_local = PETSC_TRUE; do {_Petsc_PetscDrawCollectiveEnd(draw);CHKERRQ(_Petsc_ierr);} \
338:   } do {} while (0)

340: #define PetscDrawCollectiveEnd(draw) 0; \
341:   if (_Petsc_isdrawx) { \
342:     (void)PetscSetXIOErrorHandler(_Petsc_xioerrhdl); \
343:     _Petsc_PetscMemcpy(&PetscXIOErrorHandlerJumpBuf,&_Petsc_jmpbuf,sizeof(PetscXIOErrorHandlerJumpBuf));CHKERRQ(_Petsc_ierr); \
344:     _Petsc_MPI_Allreduce(&_Petsc_xioerr_local,&_Petsc_xioerr,1,MPIU_BOOL,MPI_LOR,PetscObjectComm((PetscObject)(draw)));CHKERRMPI(_Petsc_ierr); \
345:     if (_Petsc_xioerr) { \
346:       _Petsc_PetscDrawSetType((draw),PETSC_DRAW_NULL);CHKERRQ(_Petsc_ierr); \
347:       return(0); \
348:     } \
349:   } } while (0)

351: #else

353: #define PetscDrawCollectiveBegin(draw) 0; do {} while (0)
354: #define PetscDrawCollectiveEnd(draw)   0; do {} while (0)

356: #endif

358: #endif