1 /* 2 Defines the operations for the X PetscDraw implementation. 3 */ 4 5 #include <petsc/private/drawimpl.h> /*I "petscsys.h" I*/ 6 7 typedef struct { 8 char *filename; 9 FILE *fd; 10 PetscBool written; /* something has been written to the current frame */ 11 } PetscDraw_TikZ; 12 13 #define TikZ_BEGIN_DOCUMENT "\\documentclass{beamer}\n\n\ 14 \\usepackage{tikz}\n\ 15 \\usepackage{pgflibraryshapes}\n\ 16 \\usetikzlibrary{backgrounds}\n\ 17 \\usetikzlibrary{arrows}\n\ 18 \\newenvironment{changemargin}[2]{%%\n\ 19 \\begin{list}{}{%%\n\ 20 \\setlength{\\topsep}{0pt}%%\n\ 21 \\setlength{\\leftmargin}{#1}%%\n\ 22 \\setlength{\\rightmargin}{#2}%%\n\ 23 \\setlength{\\listparindent}{\\parindent}%%\n\ 24 \\setlength{\\itemindent}{\\parindent}%%\n\ 25 \\setlength{\\parsep}{\\parskip}%%\n\ 26 }%%\n\ 27 \\item[]}{\\end{list}}\n\n\ 28 \\begin{document}\n" 29 30 #define TikZ_BEGIN_FRAME "\\begin{frame}{}\n\ 31 \\begin{changemargin}{-1cm}{0cm}\n\ 32 \\begin{center}\n\ 33 \\begin{tikzpicture}[scale = 10.00,font=\\fontsize{8}{8}\\selectfont]\n" 34 35 #define TikZ_END_FRAME "\\end{tikzpicture}\n\ 36 \\end{center}\n\ 37 \\end{changemargin}\n\ 38 \\end{frame}\n" 39 40 #define TikZ_END_DOCUMENT "\\end{document}\n" 41 42 #undef __FUNCT__ 43 #define __FUNCT__ "PetscDrawDestroy_TikZ" 44 static PetscErrorCode PetscDrawDestroy_TikZ(PetscDraw draw) 45 { 46 PetscDraw_TikZ *win = (PetscDraw_TikZ*)draw->data; 47 PetscErrorCode ierr; 48 49 PetscFunctionBegin; 50 ierr = PetscFPrintf(PetscObjectComm((PetscObject)draw),win->fd,TikZ_END_FRAME);CHKERRQ(ierr); 51 ierr = PetscFPrintf(PetscObjectComm((PetscObject)draw),win->fd,TikZ_END_DOCUMENT);CHKERRQ(ierr); 52 ierr = PetscFClose(PetscObjectComm((PetscObject)draw),win->fd);CHKERRQ(ierr); 53 ierr = PetscFree(win->filename);CHKERRQ(ierr); 54 ierr = PetscFree(draw->data);CHKERRQ(ierr); 55 PetscFunctionReturn(0); 56 } 57 58 static const char *TikZColors[] = { "white", "black", "red", "green", "cyan", "blue", "magenta", 0, 0, "orange", 59 "violet", "brown", "pink", 0, "yellow", 0}; 60 61 PETSC_STATIC_INLINE const char *TikZColorMap(int cl) 62 { 63 return((cl < 16) ? (TikZColors[cl] ? TikZColors[cl] : "black") : "black"); 64 } 65 66 /* 67 These macros transform from the users coordinates to the (0,0) -> (1,1) coordinate system 68 */ 69 #define XTRANS(draw,x) (double)(((draw)->port_xl + (((x - (draw)->coor_xl)*((draw)->port_xr - (draw)->port_xl))/((draw)->coor_xr - (draw)->coor_xl)))) 70 #define YTRANS(draw,y) (double)(((draw)->port_yl + (((y - (draw)->coor_yl)*((draw)->port_yr - (draw)->port_yl))/((draw)->coor_yr - (draw)->coor_yl)))) 71 72 #undef __FUNCT__ 73 #define __FUNCT__ "PetscDrawClear_TikZ" 74 static PetscErrorCode PetscDrawClear_TikZ(PetscDraw draw) 75 { 76 PetscDraw_TikZ *win = (PetscDraw_TikZ*)draw->data; 77 PetscBool written; 78 PetscErrorCode ierr; 79 80 PetscFunctionBegin; 81 /* often PETSc generates unneeded clears, we want avoid creating empy pictures for them */ 82 ierr = MPI_Allreduce(&win->written,&written,1,MPIU_BOOL,MPI_LOR,PetscObjectComm((PetscObject)(draw)));CHKERRQ(ierr); 83 if (!written) PetscFunctionReturn(0); 84 ierr = PetscFPrintf(PetscObjectComm((PetscObject)draw),win->fd,TikZ_END_FRAME);CHKERRQ(ierr); 85 ierr = PetscFPrintf(PetscObjectComm((PetscObject)draw),win->fd,TikZ_BEGIN_FRAME);CHKERRQ(ierr); 86 win->written = PETSC_FALSE; 87 PetscFunctionReturn(0); 88 } 89 90 #undef __FUNCT__ 91 #define __FUNCT__ "PetscDrawLine_TikZ" 92 static PetscErrorCode PetscDrawLine_TikZ(PetscDraw draw,PetscReal xl,PetscReal yl,PetscReal xr,PetscReal yr,int cl) 93 { 94 PetscDraw_TikZ *win = (PetscDraw_TikZ*)draw->data; 95 PetscErrorCode ierr; 96 97 PetscFunctionBegin; 98 win->written = PETSC_TRUE; 99 ierr = PetscFPrintf(PetscObjectComm((PetscObject)draw),win->fd,"\\draw [%s] (%g,%g) --(%g,%g);\n",TikZColorMap(cl),XTRANS(draw,xl),YTRANS(draw,yl),XTRANS(draw,xr),YTRANS(draw,yr));CHKERRQ(ierr); 100 PetscFunctionReturn(0); 101 } 102 103 #undef __FUNCT__ 104 #define __FUNCT__ "PetscDrawString_TikZ" 105 static PetscErrorCode PetscDrawString_TikZ(PetscDraw draw,PetscReal xl,PetscReal yl,int cl,const char text[]) 106 { 107 PetscDraw_TikZ *win = (PetscDraw_TikZ*)draw->data; 108 PetscErrorCode ierr; 109 110 PetscFunctionBegin; 111 win->written = PETSC_TRUE; 112 ierr = PetscFPrintf(PetscObjectComm((PetscObject)draw),win->fd,"\\node [above right, %s] at (%g,%g) {%s};\n",TikZColorMap(cl),XTRANS(draw,xl),YTRANS(draw,yl),text);CHKERRQ(ierr); 113 PetscFunctionReturn(0); 114 } 115 116 #undef __FUNCT__ 117 #define __FUNCT__ "PetscDrawStringVertical_TikZ" 118 static PetscErrorCode PetscDrawStringVertical_TikZ(PetscDraw draw,PetscReal xl,PetscReal yl,int cl,const char text[]) 119 { 120 PetscDraw_TikZ *win = (PetscDraw_TikZ*)draw->data; 121 PetscErrorCode ierr; 122 size_t len; 123 PetscReal width; 124 125 PetscFunctionBegin; 126 win->written = PETSC_TRUE; 127 ierr = PetscStrlen(text,&len);CHKERRQ(ierr); 128 ierr = PetscDrawStringGetSize(draw,&width,NULL);CHKERRQ(ierr); 129 yl = yl - len*width*(draw->coor_yr - draw->coor_yl)/(draw->coor_xr - draw->coor_xl); 130 ierr = PetscFPrintf(PetscObjectComm((PetscObject)draw),win->fd,"\\node [rotate=90, %s] at (%g,%g) {%s};\n",TikZColorMap(cl),XTRANS(draw,xl),YTRANS(draw,yl),text);CHKERRQ(ierr); 131 PetscFunctionReturn(0); 132 } 133 134 #undef __FUNCT__ 135 #define __FUNCT__ "PetscDrawStringBoxed_TikZ" 136 /* 137 Does not handle multiline strings correctly 138 */ 139 static PetscErrorCode PetscDrawStringBoxed_TikZ(PetscDraw draw,PetscReal xl,PetscReal yl,int cl,int ct,const char text[],PetscReal *w,PetscReal *h) 140 { 141 PetscDraw_TikZ *win = (PetscDraw_TikZ*)draw->data; 142 PetscErrorCode ierr; 143 size_t len; 144 145 PetscFunctionBegin; 146 win->written = PETSC_TRUE; 147 ierr = PetscFPrintf(PetscObjectComm((PetscObject)draw),win->fd,"\\draw (%g,%g) node [rectangle, draw, align=center, inner sep=1ex] {%s};\n",XTRANS(draw,xl),YTRANS(draw,yl),text);CHKERRQ(ierr); 148 149 /* make up totally bogus height and width of box */ 150 ierr = PetscStrlen(text,&len);CHKERRQ(ierr); 151 if (w) *w = .07*len; 152 if (h) *h = .07; 153 PetscFunctionReturn(0); 154 } 155 156 #undef __FUNCT__ 157 #define __FUNCT__ "PetscDrawStringGetSize_TikZ" 158 static PetscErrorCode PetscDrawStringGetSize_TikZ(PetscDraw draw,PetscReal *x,PetscReal *y) 159 { 160 PetscFunctionBegin; 161 if (x) *x = .014*(draw->coor_xr - draw->coor_xl)/((draw->port_xr - draw->port_xl)); 162 if (y) *y = .05*(draw->coor_yr - draw->coor_yl)/((draw->port_yr - draw->port_yl)); 163 PetscFunctionReturn(0); 164 } 165 166 static struct _PetscDrawOps DvOps = { 0, 167 0, 168 PetscDrawLine_TikZ, 169 0, 170 0, 171 0, 172 0, 173 PetscDrawString_TikZ, 174 PetscDrawStringVertical_TikZ, 175 0, 176 PetscDrawStringGetSize_TikZ, 177 0, 178 PetscDrawClear_TikZ, 179 0, 180 0, 181 0, 182 0, 183 0, 184 0, 185 0, 186 0, 187 0, 188 0, 189 0, 190 PetscDrawDestroy_TikZ, 191 0, 192 0, 193 0, 194 0, 195 0, 196 0, 197 0, 198 0, 199 0, 200 0, 201 PetscDrawStringBoxed_TikZ}; 202 203 #undef __FUNCT__ 204 #define __FUNCT__ "PetscDrawCreate_TikZ" 205 PETSC_EXTERN PetscErrorCode PetscDrawCreate_TikZ(PetscDraw draw) 206 { 207 PetscDraw_TikZ *win; 208 PetscErrorCode ierr; 209 210 PetscFunctionBegin; 211 ierr = PetscMemcpy(draw->ops,&DvOps,sizeof(DvOps));CHKERRQ(ierr); 212 ierr = PetscNew(&win);CHKERRQ(ierr); 213 ierr = PetscLogObjectMemory((PetscObject)draw,sizeof(PetscDraw_TikZ));CHKERRQ(ierr); 214 215 draw->data = (void*) win; 216 217 if (draw->title) { 218 ierr = PetscStrallocpy(draw->title,&win->filename);CHKERRQ(ierr); 219 } else { 220 const char *fname; 221 ierr = PetscObjectGetName((PetscObject)draw,&fname);CHKERRQ(ierr); 222 ierr = PetscStrallocpy(fname,&win->filename);CHKERRQ(ierr); 223 } 224 ierr = PetscFOpen(PetscObjectComm((PetscObject)draw),win->filename,"w",&win->fd);CHKERRQ(ierr); 225 ierr = PetscFPrintf(PetscObjectComm((PetscObject)draw),win->fd,TikZ_BEGIN_DOCUMENT);CHKERRQ(ierr); 226 ierr = PetscFPrintf(PetscObjectComm((PetscObject)draw),win->fd,TikZ_BEGIN_FRAME);CHKERRQ(ierr); 227 228 win->written = PETSC_FALSE; 229 PetscFunctionReturn(0); 230 } 231