Actual source code: drawimpl.h

  1: /*
  2:        Abstract data structure and functions for graphics.
  3: */

  5: #pragma once

  7: #include <petsc/private/petscimpl.h>
  8: #include <petscdraw.h>

 10: PETSC_EXTERN PetscBool      PetscDrawRegisterAllCalled;
 11: PETSC_EXTERN PetscErrorCode PetscDrawRegisterAll(void);

 13: struct _PetscDrawOps {
 14:   PetscErrorCode (*setdoublebuffer)(PetscDraw);
 15:   PetscErrorCode (*flush)(PetscDraw);
 16:   PetscErrorCode (*line)(PetscDraw, PetscReal, PetscReal, PetscReal, PetscReal, int);
 17:   PetscErrorCode (*linesetwidth)(PetscDraw, PetscReal);
 18:   PetscErrorCode (*linegetwidth)(PetscDraw, PetscReal *);
 19:   PetscErrorCode (*point)(PetscDraw, PetscReal, PetscReal, int);
 20:   PetscErrorCode (*pointsetsize)(PetscDraw, PetscReal);
 21:   PetscErrorCode (*string)(PetscDraw, PetscReal, PetscReal, int, const char[]);
 22:   PetscErrorCode (*stringvertical)(PetscDraw, PetscReal, PetscReal, int, const char[]);
 23:   PetscErrorCode (*stringsetsize)(PetscDraw, PetscReal, PetscReal);
 24:   PetscErrorCode (*stringgetsize)(PetscDraw, PetscReal *, PetscReal *);
 25:   PetscErrorCode (*setviewport)(PetscDraw, PetscReal, PetscReal, PetscReal, PetscReal);
 26:   PetscErrorCode (*clear)(PetscDraw);
 27:   PetscErrorCode (*rectangle)(PetscDraw, PetscReal, PetscReal, PetscReal, PetscReal, int, int, int, int);
 28:   PetscErrorCode (*triangle)(PetscDraw, PetscReal, PetscReal, PetscReal, PetscReal, PetscReal, PetscReal, int, int, int);
 29:   PetscErrorCode (*ellipse)(PetscDraw, PetscReal, PetscReal, PetscReal, PetscReal, int);
 30:   PetscErrorCode (*getmousebutton)(PetscDraw, PetscDrawButton *, PetscReal *, PetscReal *, PetscReal *, PetscReal *);
 31:   PetscErrorCode (*pause)(PetscDraw);
 32:   PetscErrorCode (*beginpage)(PetscDraw);
 33:   PetscErrorCode (*endpage)(PetscDraw);
 34:   PetscErrorCode (*getpopup)(PetscDraw, PetscDraw *);
 35:   PetscErrorCode (*settitle)(PetscDraw, const char[]);
 36:   PetscErrorCode (*checkresizedwindow)(PetscDraw);
 37:   PetscErrorCode (*resizewindow)(PetscDraw, int, int);
 38:   PetscErrorCode (*destroy)(PetscDraw);
 39:   PetscErrorCode (*view)(PetscDraw, PetscViewer);
 40:   PetscErrorCode (*getsingleton)(PetscDraw, PetscDraw *);
 41:   PetscErrorCode (*restoresingleton)(PetscDraw, PetscDraw *);
 42:   PetscErrorCode (*save)(PetscDraw);
 43:   PetscErrorCode (*getimage)(PetscDraw, unsigned char[][3], unsigned int *, unsigned int *, unsigned char *[]);
 44:   PetscErrorCode (*setcoordinates)(PetscDraw, PetscReal, PetscReal, PetscReal, PetscReal);
 45:   PetscErrorCode (*arrow)(PetscDraw, PetscReal, PetscReal, PetscReal, PetscReal, int);
 46:   PetscErrorCode (*coordinatetopixel)(PetscDraw, PetscReal, PetscReal, int *, int *);
 47:   PetscErrorCode (*pixeltocoordinate)(PetscDraw, int, int, PetscReal *, PetscReal *);
 48:   PetscErrorCode (*pointpixel)(PetscDraw, int, int, int);
 49:   PetscErrorCode (*boxedstring)(PetscDraw, PetscReal, PetscReal, int, int, const char[], PetscReal *, PetscReal *);
 50:   PetscErrorCode (*setvisible)(PetscDraw, PetscBool);
 51: };

 53: struct _p_PetscDraw {
 54:   PETSCHEADER(struct _PetscDrawOps);
 55:   PetscReal           pause; /* sleep time after a synchronized flush */
 56:   PetscReal           port_xl, port_yl, port_xr, port_yr;
 57:   PetscReal           coor_xl, coor_yl, coor_xr, coor_yr;
 58:   PetscReal           currentpoint_x[20], currentpoint_y[20];
 59:   PetscReal           boundbox_xl, boundbox_yl, boundbox_xr, boundbox_yr; /* need to have this for each current point? */
 60:   PetscInt            currentpoint;
 61:   PetscDrawMarkerType markertype;
 62:   char               *title;
 63:   char               *display;
 64:   PetscDraw           popup;
 65:   int                 x, y, h, w;
 66:   char               *savefilename;
 67:   char               *saveimageext;
 68:   char               *savemovieext;
 69:   PetscInt            savefilecount;
 70:   PetscBool           savesinglefile;
 71:   PetscInt            savemoviefps;
 72:   char               *savefinalfilename;
 73:   PetscBool           saveonclear; /* save a new image for every PetscDrawClear() called */
 74:   PetscBool           saveonflush; /* save a new image for every PetscDrawFlush() called */
 75:   void               *data;
 76: };

 78: /* Contains the data structure for plotting several line
 79:  * graphs in a window with an axis. This is intended for line
 80:  * graphs that change dynamically by adding more points onto
 81:  * the end of the X axis.
 82:  */
 83: struct _p_PetscDrawLG {
 84:   PETSCHEADER(int);
 85:   PetscErrorCode (*destroy)(PetscDrawLG);
 86:   PetscErrorCode (*view)(PetscDrawLG, PetscViewer);
 87:   int           len, loc;
 88:   PetscDraw     win;
 89:   PetscDrawAxis axis;
 90:   PetscReal     xmin, xmax, ymin, ymax, *x, *y;
 91:   int           nopts, dim, *colors;
 92:   PetscBool     use_markers;
 93:   char        **legend;
 94: };
 95: #define PETSC_DRAW_LG_CHUNK_SIZE 100

 97: struct _p_PetscDrawAxis {
 98:   PETSCHEADER(int);
 99:   PetscReal xlow, ylow, xhigh, yhigh;                         /* User - coord limits */
100:   PetscErrorCode (*ylabelstr)(PetscReal, PetscReal, char **); /* routines to generate labels */
101:   PetscErrorCode (*xlabelstr)(PetscReal, PetscReal, char **);
102:   PetscErrorCode (*xticks)(PetscReal, PetscReal, int, int *, PetscReal *, int);
103:   PetscErrorCode (*yticks)(PetscReal, PetscReal, int, int *, PetscReal *, int);
104:   /* location and size of ticks */
105:   PetscDraw win;
106:   int       ac, tc, cc; /* axis,tick, character color */
107:   char     *xlabel, *ylabel, *toplabel;
108:   PetscBool hold;
109: };

111: PETSC_INTERN PetscErrorCode PetscADefTicks(PetscReal, PetscReal, int, int *, PetscReal *, int);
112: PETSC_INTERN PetscErrorCode PetscADefLabel(PetscReal, PetscReal, char **);
113: PETSC_INTERN PetscErrorCode PetscAGetNice(PetscReal, PetscReal, int, PetscReal *);
114: PETSC_INTERN PetscErrorCode PetscAGetBase(PetscReal, PetscReal, int, PetscReal *, int *);

116: PETSC_INTERN PetscErrorCode PetscStripe0(char *);
117: PETSC_INTERN PetscErrorCode PetscStripAllZeros(char *);
118: PETSC_INTERN PetscErrorCode PetscStripTrailingZeros(char *);
119: PETSC_INTERN PetscErrorCode PetscStripInitialZero(char *);
120: PETSC_INTERN PetscErrorCode PetscStripZeros(char *);
121: PETSC_INTERN PetscErrorCode PetscStripZerosPlus(char *);

123: struct _p_PetscDrawBar {
124:   PETSCHEADER(int);
125:   PetscErrorCode (*destroy)(PetscDrawSP);
126:   PetscErrorCode (*view)(PetscDrawSP, PetscViewer);
127:   PetscDraw     win;
128:   PetscDrawAxis axis;
129:   PetscReal     ymin, ymax;
130:   int           numBins;
131:   PetscReal    *values;
132:   int           color;
133:   char        **labels;
134:   PetscBool     sort;
135:   PetscReal     sorttolerance;
136: };

138: struct _p_PetscDrawSP {
139:   PETSCHEADER(int);
140:   PetscErrorCode (*destroy)(PetscDrawSP);
141:   PetscErrorCode (*view)(PetscDrawSP, PetscViewer);
142:   int           len, loc;
143:   PetscDraw     win;
144:   PetscDrawAxis axis;
145:   PetscReal     xmin, xmax, ymin, ymax, *x, *y;
146:   PetscReal     zmax, zmin, *z;
147:   int           nopts, dim;
148:   PetscBool     colorized;
149: };
150: #define PETSC_DRAW_SP_CHUNK_SIZE 100