Actual source code: petscdraw.h

  1: /*
  2:   Interface to the PETSc graphics
  3: */
  4: #pragma once
  5: #include <petscsys.h>
  6: #include <petscdrawtypes.h>

  8: /* SUBMANSEC = Sys */

 10: PETSC_EXTERN PetscClassId PETSC_DRAW_CLASSID;

 12: PETSC_EXTERN PetscFunctionList PetscDrawList;
 13: PETSC_EXTERN PetscErrorCode    PetscDrawInitializePackage(void);
 14: PETSC_EXTERN PetscErrorCode    PetscDrawFinalizePackage(void);
 15: PETSC_EXTERN PetscErrorCode    PetscDrawRegister(const char[], PetscErrorCode (*)(PetscDraw));

 17: PETSC_EXTERN PetscErrorCode PetscDrawGetType(PetscDraw, PetscDrawType *);
 18: PETSC_EXTERN PetscErrorCode PetscDrawSetType(PetscDraw, PetscDrawType);
 19: PETSC_EXTERN PetscErrorCode PetscDrawCreate(MPI_Comm, const char[], const char[], int, int, int, int, PetscDraw *);
 20: PETSC_EXTERN PetscErrorCode PetscDrawSetOptionsPrefix(PetscDraw, const char[]);
 21: PETSC_EXTERN PetscErrorCode PetscDrawSetFromOptions(PetscDraw);
 22: PETSC_EXTERN PetscErrorCode PetscDrawSetSave(PetscDraw, const char[]);
 23: PETSC_EXTERN PetscErrorCode PetscDrawSetSaveMovie(PetscDraw, const char[]);
 24: PETSC_EXTERN PetscErrorCode PetscDrawSetSaveFinalImage(PetscDraw, const char[]);
 25: PETSC_EXTERN PetscErrorCode PetscDrawView(PetscDraw, PetscViewer);
 26: PETSC_EXTERN PetscErrorCode PetscDrawViewFromOptions(PetscDraw, PetscObject, const char[]);

 28: /*
 29:    Number of basic colors in the draw routines, the others are used
 30:    for a uniform colormap.
 31: */
 32: #define PETSC_DRAW_BASIC_COLORS 33

 34: #define PETSC_DRAW_ROTATE      -1 /* will rotate through the colors, start with 2 */
 35: #define PETSC_DRAW_WHITE       0
 36: #define PETSC_DRAW_BLACK       1
 37: #define PETSC_DRAW_RED         2
 38: #define PETSC_DRAW_GREEN       3
 39: #define PETSC_DRAW_CYAN        4
 40: #define PETSC_DRAW_BLUE        5
 41: #define PETSC_DRAW_MAGENTA     6
 42: #define PETSC_DRAW_AQUAMARINE  7
 43: #define PETSC_DRAW_FORESTGREEN 8
 44: #define PETSC_DRAW_ORANGE      9
 45: #define PETSC_DRAW_VIOLET      10
 46: #define PETSC_DRAW_BROWN       11
 47: #define PETSC_DRAW_PINK        12
 48: #define PETSC_DRAW_CORAL       13
 49: #define PETSC_DRAW_GRAY        14
 50: #define PETSC_DRAW_YELLOW      15

 52: #define PETSC_DRAW_GOLD            16
 53: #define PETSC_DRAW_LIGHTPINK       17
 54: #define PETSC_DRAW_MEDIUMTURQUOISE 18
 55: #define PETSC_DRAW_KHAKI           19
 56: #define PETSC_DRAW_DIMGRAY         20
 57: #define PETSC_DRAW_YELLOWGREEN     21
 58: #define PETSC_DRAW_SKYBLUE         22
 59: #define PETSC_DRAW_DARKGREEN       23
 60: #define PETSC_DRAW_NAVYBLUE        24
 61: #define PETSC_DRAW_SANDYBROWN      25
 62: #define PETSC_DRAW_CADETBLUE       26
 63: #define PETSC_DRAW_POWDERBLUE      27
 64: #define PETSC_DRAW_DEEPPINK        28
 65: #define PETSC_DRAW_THISTLE         29
 66: #define PETSC_DRAW_LIMEGREEN       30
 67: #define PETSC_DRAW_LAVENDERBLUSH   31
 68: #define PETSC_DRAW_PLUM            32
 69: #define PETSC_DRAW_MAXCOLOR        256

 71: /*MC

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

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

 81:    Not Collective

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

 88:    Returns:
 89:    The result as integer

 91:    Level: intermediate

 93:    Note:
 94:    Values outside the interval [`min`, `max`] are clipped.

 96: .seealso: `PetscDraw`, `PetscDrawPointPixel()`, `PetscDrawPoint()`, `PetscDrawLine()`, `PetscDrawTriangle()`, `PetscDrawRectangle()`
 97: M*/
 98: static inline int PetscDrawRealToColor(PetscReal value, PetscReal min, PetscReal max)
 99: {
100:   value = PetscClipInterval(value, min, max);
101:   return PETSC_DRAW_BASIC_COLORS + (int)((255 - PETSC_DRAW_BASIC_COLORS) * (value - min) / (max - min));
102: }

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

106: #define PETSC_DRAW_FULL_SIZE    -3
107: #define PETSC_DRAW_HALF_SIZE    -4
108: #define PETSC_DRAW_THIRD_SIZE   -5
109: #define PETSC_DRAW_QUARTER_SIZE -6

111: PETSC_EXTERN PetscErrorCode PetscDrawOpenImage(MPI_Comm, const char[], int, int, PetscDraw *);
112: PETSC_EXTERN PetscErrorCode PetscDrawOpenNull(MPI_Comm, PetscDraw *);
113: PETSC_EXTERN PetscErrorCode PetscDrawDestroy(PetscDraw *);
114: PETSC_EXTERN PetscErrorCode PetscDrawIsNull(PetscDraw, PetscBool *);

116: PETSC_EXTERN PetscErrorCode PetscDrawGetPopup(PetscDraw, PetscDraw *);
117: PETSC_EXTERN PetscErrorCode PetscDrawScalePopup(PetscDraw, PetscReal, PetscReal);

119: PETSC_EXTERN PetscErrorCode PetscDrawCheckResizedWindow(PetscDraw);
120: PETSC_EXTERN PetscErrorCode PetscDrawResizeWindow(PetscDraw, int, int);
121: PETSC_EXTERN PetscErrorCode PetscDrawGetWindowSize(PetscDraw, int *, int *);
122: PETSC_EXTERN PetscErrorCode PetscDrawPixelToCoordinate(PetscDraw, int, int, PetscReal *, PetscReal *);
123: PETSC_EXTERN PetscErrorCode PetscDrawCoordinateToPixel(PetscDraw, PetscReal, PetscReal, int *, int *);

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

127: PETSC_EXTERN PetscErrorCode PetscDrawLine(PetscDraw, PetscReal, PetscReal, PetscReal, PetscReal, int);
128: PETSC_EXTERN PetscErrorCode PetscDrawArrow(PetscDraw, PetscReal, PetscReal, PetscReal, PetscReal, int);
129: PETSC_EXTERN PetscErrorCode PetscDrawLineSetWidth(PetscDraw, PetscReal);
130: PETSC_EXTERN PetscErrorCode PetscDrawLineGetWidth(PetscDraw, PetscReal *);

132: /*E
133:     PetscDrawMarkerType - How a "mark" is indicate in a figure

135:    Values:
136: +  `PETSC_MARKER_CROSS` - a small pixel based x symbol or the character x if that is not available
137: .  `PETSC_MARKER_PLUS` - a small pixel based + symbol or the character + if that is not available
138: .  `PETSC_MARKER_CIRCLE` - a small pixel based circle symbol or the character o if that is not available
139: -  `PETSC_MARKER_POINT` - the make obtained with `PetscDrawPoint()`

141:    Level: intermediate

143: .seealso: `PetscDraw`, `PetscDrawMarker()`, `PetscDrawSetMarkerType()`
144: E*/
145: typedef enum {
146:   PETSC_DRAW_MARKER_CROSS,
147:   PETSC_DRAW_MARKER_POINT,
148:   PETSC_DRAW_MARKER_PLUS,
149:   PETSC_DRAW_MARKER_CIRCLE
150: } PetscDrawMarkerType;
151: PETSC_EXTERN const char *const PetscDrawMarkerTypes[];

153: PETSC_EXTERN PetscErrorCode PetscDrawMarker(PetscDraw, PetscReal, PetscReal, int);
154: PETSC_EXTERN PetscErrorCode PetscDrawSetMarkerType(PetscDraw, PetscDrawMarkerType);
155: PETSC_EXTERN PetscErrorCode PetscDrawGetMarkerType(PetscDraw, PetscDrawMarkerType *);

157: PETSC_EXTERN PetscErrorCode PetscDrawPoint(PetscDraw, PetscReal, PetscReal, int);
158: PETSC_EXTERN PetscErrorCode PetscDrawPointPixel(PetscDraw, int, int, int);
159: PETSC_EXTERN PetscErrorCode PetscDrawPointSetSize(PetscDraw, PetscReal);

161: PETSC_EXTERN PetscErrorCode PetscDrawRectangle(PetscDraw, PetscReal, PetscReal, PetscReal, PetscReal, int, int, int, int);
162: PETSC_EXTERN PetscErrorCode PetscDrawTriangle(PetscDraw, PetscReal, PetscReal, PetscReal, PetscReal, PetscReal, PetscReal, int, int, int);
163: PETSC_EXTERN PetscErrorCode PetscDrawEllipse(PetscDraw, PetscReal, PetscReal, PetscReal, PetscReal, int);
164: PETSC_EXTERN PetscErrorCode PetscDrawTensorContourPatch(PetscDraw, int, int, PetscReal *, PetscReal *, PetscReal, PetscReal, PetscReal *);
165: PETSC_EXTERN PetscErrorCode PetscDrawTensorContour(PetscDraw, int, int, const PetscReal[], const PetscReal[], PetscReal *);

167: PETSC_EXTERN PetscErrorCode PetscDrawString(PetscDraw, PetscReal, PetscReal, int, const char[]);
168: PETSC_EXTERN PetscErrorCode PetscDrawStringCentered(PetscDraw, PetscReal, PetscReal, int, const char[]);
169: PETSC_EXTERN PetscErrorCode PetscDrawStringBoxed(PetscDraw, PetscReal, PetscReal, int, int, const char[], PetscReal *, PetscReal *);
170: PETSC_EXTERN PetscErrorCode PetscDrawStringVertical(PetscDraw, PetscReal, PetscReal, int, const char[]);
171: PETSC_EXTERN PetscErrorCode PetscDrawStringSetSize(PetscDraw, PetscReal, PetscReal);
172: PETSC_EXTERN PetscErrorCode PetscDrawStringGetSize(PetscDraw, PetscReal *, PetscReal *);

174: PETSC_EXTERN PetscErrorCode PetscDrawSetViewPort(PetscDraw, PetscReal, PetscReal, PetscReal, PetscReal);
175: PETSC_EXTERN PetscErrorCode PetscDrawGetViewPort(PetscDraw, PetscReal *, PetscReal *, PetscReal *, PetscReal *);
176: PETSC_EXTERN PetscErrorCode PetscDrawSplitViewPort(PetscDraw);

178: PETSC_EXTERN PetscErrorCode PetscDrawSetCoordinates(PetscDraw, PetscReal, PetscReal, PetscReal, PetscReal);
179: PETSC_EXTERN PetscErrorCode PetscDrawGetCoordinates(PetscDraw, PetscReal *, PetscReal *, PetscReal *, PetscReal *);

181: PETSC_EXTERN PetscErrorCode PetscDrawSetTitle(PetscDraw, const char[]);
182: PETSC_EXTERN PetscErrorCode PetscDrawAppendTitle(PetscDraw, const char[]);
183: PETSC_EXTERN PetscErrorCode PetscDrawGetTitle(PetscDraw, const char *[]);

185: PETSC_EXTERN PetscErrorCode PetscDrawSetPause(PetscDraw, PetscReal);
186: PETSC_EXTERN PetscErrorCode PetscDrawGetPause(PetscDraw, PetscReal *);
187: PETSC_EXTERN PetscErrorCode PetscDrawPause(PetscDraw);
188: PETSC_EXTERN PetscErrorCode PetscDrawSetDoubleBuffer(PetscDraw);
189: PETSC_EXTERN PetscErrorCode PetscDrawClear(PetscDraw);
190: PETSC_EXTERN PetscErrorCode PetscDrawFlush(PetscDraw);
191: PETSC_EXTERN PetscErrorCode PetscDrawSave(PetscDraw);
192: PETSC_EXTERN PetscErrorCode PetscDrawSaveMovie(PetscDraw);
193: PETSC_EXTERN PetscErrorCode PetscDrawBOP(PetscDraw);
194: PETSC_EXTERN PetscErrorCode PetscDrawEOP(PetscDraw);

196: PETSC_EXTERN PetscErrorCode PetscDrawSetDisplay(PetscDraw, const char[]);
197: PETSC_EXTERN PetscErrorCode PetscDrawGetSingleton(PetscDraw, PetscDraw *);
198: PETSC_EXTERN PetscErrorCode PetscDrawRestoreSingleton(PetscDraw, PetscDraw *);

200: PETSC_EXTERN PetscErrorCode PetscDrawGetCurrentPoint(PetscDraw, PetscReal *, PetscReal *);
201: PETSC_EXTERN PetscErrorCode PetscDrawSetCurrentPoint(PetscDraw, PetscReal, PetscReal);
202: PETSC_EXTERN PetscErrorCode PetscDrawPushCurrentPoint(PetscDraw, PetscReal, PetscReal);
203: PETSC_EXTERN PetscErrorCode PetscDrawPopCurrentPoint(PetscDraw);
204: PETSC_EXTERN PetscErrorCode PetscDrawGetBoundingBox(PetscDraw, PetscReal *, PetscReal *, PetscReal *, PetscReal *);

206: PETSC_EXTERN PetscErrorCode PetscDrawSetVisible(PetscDraw, PetscBool);

208: /*E
209:     PetscDrawButton - Used to determine which button was pressed

211:    Values:
212: +  `PETSC_BUTTON_NONE` - no button was pressed
213: .  `PETSC_BUTTON_LEFT` - the left button
214: .  `PETSC_BUTTON_CENTER` - the center button
215: .  `PETSC_BUTTON_RIGHT` - the right button
216: .  `PETSC_BUTTON_WHEEL_UP` - the wheel was moved up
217: .  `PETSC_BUTTON_WHEEL_DOWN` - the wheel was moved down
218: .  `PETSC_BUTTON_LEFT_SHIFT` - the left button and the shift key
219: .  `PETSC_BUTTON_CENTER_SHIFT`- the center button and the shift key
220: -  `PETSC_BUTTON_RIGHT_SHIFT` - the right button and the shift key

222:    Level: intermediate

224: .seealso: `PetscDrawGetMouseButton()`
225: E*/
226: typedef enum {
227:   PETSC_BUTTON_NONE = 0,
228:   PETSC_BUTTON_LEFT,
229:   PETSC_BUTTON_CENTER,
230:   PETSC_BUTTON_RIGHT,
231:   PETSC_BUTTON_WHEEL_UP,
232:   PETSC_BUTTON_WHEEL_DOWN,
233:   PETSC_BUTTON_LEFT_SHIFT,
234:   PETSC_BUTTON_CENTER_SHIFT,
235:   PETSC_BUTTON_RIGHT_SHIFT
236: } PetscDrawButton;

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

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

242: /*S
243:      PetscDrawViewPorts - Object representing subwindows in a `PetscDraw` object

245:    Level: intermediate

247: .seealso: `PetscDrawViewPortsCreate()`, `PetscDrawViewPortsSet()`
248: S*/
249: typedef struct {
250:   PetscInt   nports;
251:   PetscReal *xl;
252:   PetscReal *xr;
253:   PetscReal *yl;
254:   PetscReal *yr;
255:   PetscDraw  draw;
256:   PetscReal  port_xl, port_yl, port_xr, port_yr; /* original port of parent PetscDraw */
257: } PetscDrawViewPorts;
258: PETSC_EXTERN PetscErrorCode PetscDrawViewPortsCreate(PetscDraw, PetscInt, PetscDrawViewPorts **);
259: PETSC_EXTERN PetscErrorCode PetscDrawViewPortsCreateRect(PetscDraw, PetscInt, PetscInt, PetscDrawViewPorts **);
260: PETSC_EXTERN PetscErrorCode PetscDrawViewPortsDestroy(PetscDrawViewPorts *);
261: PETSC_EXTERN PetscErrorCode PetscDrawViewPortsSet(PetscDrawViewPorts *, PetscInt);

263: PETSC_EXTERN PetscClassId PETSC_DRAWAXIS_CLASSID;

265: PETSC_EXTERN PetscErrorCode PetscDrawAxisCreate(PetscDraw, PetscDrawAxis *);
266: PETSC_EXTERN PetscErrorCode PetscDrawAxisDestroy(PetscDrawAxis *);
267: PETSC_EXTERN PetscErrorCode PetscDrawAxisDraw(PetscDrawAxis);
268: PETSC_EXTERN PetscErrorCode PetscDrawAxisSetLimits(PetscDrawAxis, PetscReal, PetscReal, PetscReal, PetscReal);
269: PETSC_EXTERN PetscErrorCode PetscDrawAxisGetLimits(PetscDrawAxis, PetscReal *, PetscReal *, PetscReal *, PetscReal *);
270: PETSC_EXTERN PetscErrorCode PetscDrawAxisSetHoldLimits(PetscDrawAxis, PetscBool);
271: PETSC_EXTERN PetscErrorCode PetscDrawAxisSetColors(PetscDrawAxis, int, int, int);
272: PETSC_EXTERN PetscErrorCode PetscDrawAxisSetLabels(PetscDrawAxis, const char[], const char[], const char[]);

274: PETSC_EXTERN PetscClassId PETSC_DRAWLG_CLASSID;

276: PETSC_EXTERN PetscErrorCode PetscDrawLGCreate(PetscDraw, PetscInt, PetscDrawLG *);
277: PETSC_EXTERN PetscErrorCode PetscDrawLGDestroy(PetscDrawLG *);
278: PETSC_EXTERN PetscErrorCode PetscDrawLGAddPoint(PetscDrawLG, const PetscReal *, const PetscReal *);
279: PETSC_EXTERN PetscErrorCode PetscDrawLGAddCommonPoint(PetscDrawLG, const PetscReal, const PetscReal *);
280: PETSC_EXTERN PetscErrorCode PetscDrawLGAddPoints(PetscDrawLG, PetscInt, PetscReal **, PetscReal **);
281: PETSC_EXTERN PetscErrorCode PetscDrawLGDraw(PetscDrawLG);
282: PETSC_EXTERN PetscErrorCode PetscDrawLGSave(PetscDrawLG);
283: PETSC_EXTERN PetscErrorCode PetscDrawLGView(PetscDrawLG, PetscViewer);
284: PETSC_EXTERN PetscErrorCode PetscDrawLGReset(PetscDrawLG);
285: PETSC_EXTERN PetscErrorCode PetscDrawLGSetDimension(PetscDrawLG, PetscInt);
286: PETSC_EXTERN PetscErrorCode PetscDrawLGGetDimension(PetscDrawLG, PetscInt *);
287: PETSC_EXTERN PetscErrorCode PetscDrawLGSetLegend(PetscDrawLG, const char *const *);
288: PETSC_EXTERN PetscErrorCode PetscDrawLGGetAxis(PetscDrawLG, PetscDrawAxis *);
289: PETSC_EXTERN PetscErrorCode PetscDrawLGGetDraw(PetscDrawLG, PetscDraw *);
290: PETSC_EXTERN PetscErrorCode PetscDrawLGSetUseMarkers(PetscDrawLG, PetscBool);
291: PETSC_EXTERN PetscErrorCode PetscDrawLGSetLimits(PetscDrawLG, PetscReal, PetscReal, PetscReal, PetscReal);
292: PETSC_EXTERN PetscErrorCode PetscDrawLGSetColors(PetscDrawLG, const int[]);
293: PETSC_EXTERN PetscErrorCode PetscDrawLGSetOptionsPrefix(PetscDrawLG, const char[]);
294: PETSC_EXTERN PetscErrorCode PetscDrawLGSetFromOptions(PetscDrawLG);

296: PETSC_EXTERN PetscClassId PETSC_DRAWSP_CLASSID;

298: PETSC_EXTERN PetscErrorCode PetscDrawSPCreate(PetscDraw, int, PetscDrawSP *);
299: PETSC_EXTERN PetscErrorCode PetscDrawSPDestroy(PetscDrawSP *);
300: PETSC_EXTERN PetscErrorCode PetscDrawSPAddPoint(PetscDrawSP, PetscReal *, PetscReal *);
301: PETSC_EXTERN PetscErrorCode PetscDrawSPAddPoints(PetscDrawSP, int, PetscReal **, PetscReal **);
302: PETSC_EXTERN PetscErrorCode PetscDrawSPDraw(PetscDrawSP, PetscBool);
303: PETSC_EXTERN PetscErrorCode PetscDrawSPSave(PetscDrawSP);
304: PETSC_EXTERN PetscErrorCode PetscDrawSPReset(PetscDrawSP);
305: PETSC_EXTERN PetscErrorCode PetscDrawSPGetDimension(PetscDrawSP, int *);
306: PETSC_EXTERN PetscErrorCode PetscDrawSPSetDimension(PetscDrawSP, int);
307: PETSC_EXTERN PetscErrorCode PetscDrawSPGetAxis(PetscDrawSP, PetscDrawAxis *);
308: PETSC_EXTERN PetscErrorCode PetscDrawSPGetDraw(PetscDrawSP, PetscDraw *);
309: PETSC_EXTERN PetscErrorCode PetscDrawSPSetLimits(PetscDrawSP, PetscReal, PetscReal, PetscReal, PetscReal);
310: PETSC_EXTERN PetscErrorCode PetscDrawLGSPDraw(PetscDrawLG, PetscDrawSP);
311: PETSC_EXTERN PetscErrorCode PetscDrawSPAddPointColorized(PetscDrawSP, PetscReal *, PetscReal *, PetscReal *);

313: PETSC_EXTERN PetscClassId PETSC_DRAWHG_CLASSID;

315: PETSC_EXTERN PetscErrorCode PetscDrawHGCreate(PetscDraw, int, PetscDrawHG *);
316: PETSC_EXTERN PetscErrorCode PetscDrawHGDestroy(PetscDrawHG *);
317: PETSC_EXTERN PetscErrorCode PetscDrawHGAddValue(PetscDrawHG, PetscReal);
318: PETSC_EXTERN PetscErrorCode PetscDrawHGDraw(PetscDrawHG);
319: PETSC_EXTERN PetscErrorCode PetscDrawHGSave(PetscDrawHG);
320: PETSC_EXTERN PetscErrorCode PetscDrawHGView(PetscDrawHG, PetscViewer);
321: PETSC_EXTERN PetscErrorCode PetscDrawHGReset(PetscDrawHG);
322: PETSC_EXTERN PetscErrorCode PetscDrawHGGetAxis(PetscDrawHG, PetscDrawAxis *);
323: PETSC_EXTERN PetscErrorCode PetscDrawHGGetDraw(PetscDrawHG, PetscDraw *);
324: PETSC_EXTERN PetscErrorCode PetscDrawHGSetLimits(PetscDrawHG, PetscReal, PetscReal, int, int);
325: PETSC_EXTERN PetscErrorCode PetscDrawHGSetNumberBins(PetscDrawHG, int);
326: PETSC_EXTERN PetscErrorCode PetscDrawHGSetColor(PetscDrawHG, int);
327: PETSC_EXTERN PetscErrorCode PetscDrawHGCalcStats(PetscDrawHG, PetscBool);
328: PETSC_EXTERN PetscErrorCode PetscDrawHGIntegerBins(PetscDrawHG, PetscBool);

330: PETSC_EXTERN PetscClassId PETSC_DRAWBAR_CLASSID;

332: PETSC_EXTERN PetscErrorCode PetscDrawBarCreate(PetscDraw, PetscDrawBar *);
333: PETSC_EXTERN PetscErrorCode PetscDrawBarSetData(PetscDrawBar, PetscInt, const PetscReal[], const char *const *);
334: PETSC_EXTERN PetscErrorCode PetscDrawBarDestroy(PetscDrawBar *);
335: PETSC_EXTERN PetscErrorCode PetscDrawBarDraw(PetscDrawBar);
336: PETSC_EXTERN PetscErrorCode PetscDrawBarSave(PetscDrawBar);
337: PETSC_EXTERN PetscErrorCode PetscDrawBarSetColor(PetscDrawBar, int);
338: PETSC_EXTERN PetscErrorCode PetscDrawBarSetLimits(PetscDrawBar, PetscReal, PetscReal);
339: PETSC_EXTERN PetscErrorCode PetscDrawBarSort(PetscDrawBar, PetscBool, PetscReal);
340: PETSC_EXTERN PetscErrorCode PetscDrawBarSetFromOptions(PetscDrawBar);
341: PETSC_EXTERN PetscErrorCode PetscDrawBarGetAxis(PetscDrawBar, PetscDrawAxis *);
342: PETSC_EXTERN PetscErrorCode PetscDrawBarGetDraw(PetscDrawBar, PetscDraw *);

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

347: /*
348:     Handling of X11 I/O window resizing, window closing and errors in parallel
349: */
350: #if PetscDefined(HAVE_X) && PetscDefined(HAVE_SETJMP_H)
351:   #include <setjmp.h>

353: PETSC_EXTERN jmp_buf PetscXIOErrorHandlerJumpBuf;
354: PETSC_EXTERN void    PetscXIOErrorHandlerJump(void *);
355: PETSC_EXTERN_TYPEDEF typedef void (*PetscXIOErrorHandler)(void *);
356: PETSC_EXTERN PetscXIOErrorHandler PetscSetXIOErrorHandler(PetscXIOErrorHandler);

358:   /*MC
359:     PetscDrawCollectiveBegin - Begins a set of draw operations

361:    Collective

363:    Synopsis:
364: #include <petscdraw.h>
365:     PetscErrorCode PetscDrawCollectiveBegin(PetscDraw draw)

367:     Collective

369:    Input Parameter:
370: .   draw - the draw object

372:   Level: advanced

374:    Notes:
375:     This is a macro that handles its own error checking, it does not return an error code.

377:     The set of operations needs to be ended by a call to `PetscDrawCollectiveEnd()`.

379:     X windows draw operations that are enclosed by these routines handle correctly resizing or closing of
380:     the window without crashing the program.

382:   Developer Note:
383:     This only applies to X windows and so should have a more specific name such as `PetscDrawXCollectiveBegin()`

385: .seealso: `PetscDrawCollectiveEnd()`
386: M*/
387:   #define PetscDrawCollectiveBegin(draw) \
388:     do { \
389:       jmp_buf                       _Petsc_jmpbuf; \
390:       volatile PetscXIOErrorHandler _Petsc_xioerrhdl = PETSC_NULLPTR; \
391:       PetscBool                     _Petsc_isdrawx, _Petsc_xioerr, _Petsc_xioerr_local = PETSC_FALSE; \
392:       PetscCall(PetscObjectTypeCompare((PetscObject)(draw), PETSC_DRAW_X, &_Petsc_isdrawx)); \
393:       if (_Petsc_isdrawx) { \
394:         PetscCall(PetscMemcpy(&_Petsc_jmpbuf, &PetscXIOErrorHandlerJumpBuf, sizeof(_Petsc_jmpbuf))); \
395:         _Petsc_xioerrhdl = PetscSetXIOErrorHandler(PetscXIOErrorHandlerJump); \
396:         if (setjmp(PetscXIOErrorHandlerJumpBuf)) { \
397:           _Petsc_xioerr_local = PETSC_TRUE; \
398:           do { \
399:             PetscDrawCollectiveEnd(draw); \
400:           } \
401:         } \
402:         do { \
403:       } while (0)

405:   /*MC
406:     PetscDrawCollectiveEnd - Ends a set of draw operations begun with `PetscDrawCollectiveBegin()`

408:    Collective

410:    Synopsis:
411: #include <petscdraw.h>
412:     PetscErrorCode PetscDrawCollectiveEnd(PetscDraw draw)

414:     Collective

416:   Input Parameter:
417: .   draw - the draw object

419:   Level: advanced

421:   Notes:
422:     This is a macro that handles its own error checking, it does not return an error code.

424:     X windows draw operations that are enclosed by these routines handle correctly resizing or closing of
425:     the window without crashing the program.

427:   Developer Note:
428:     This only applies to X windows and so should have a more specific name such as `PetscDrawXCollectiveEnd()`

430: .seealso: `PetscDrawCollectiveBegin()`
431: M*/
432:   #define PetscDrawCollectiveEnd(draw) \
433:     if (_Petsc_isdrawx) { \
434:       (void)PetscSetXIOErrorHandler(_Petsc_xioerrhdl); \
435:       PetscCall(PetscMemcpy(&PetscXIOErrorHandlerJumpBuf, &_Petsc_jmpbuf, sizeof(PetscXIOErrorHandlerJumpBuf))); \
436:       PetscCall(MPIU_Allreduce(&_Petsc_xioerr_local, &_Petsc_xioerr, 1, MPIU_BOOL, MPI_LOR, PetscObjectComm((PetscObject)(draw)))); \
437:       if (_Petsc_xioerr) { \
438:         PetscCall(PetscDrawSetType((draw), PETSC_DRAW_NULL)); \
439:         PetscFunctionReturn(PETSC_SUCCESS); \
440:       } \
441:     } \
442:     } \
443:     while (0)

445: #else
446:   #define PetscDrawCollectiveBegin(draw)
447:   #define PetscDrawCollectiveEnd(draw)
448: #endif /* PetscDefined(HAVE_X) && PetscDefined(HAVE_SETJMP_H) */