1 /* 2 Defines the operations for the TikZ 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 static PetscErrorCode PetscDrawDestroy_TikZ(PetscDraw draw) 43 { 44 PetscDraw_TikZ *win = (PetscDraw_TikZ*)draw->data; 45 PetscErrorCode ierr; 46 47 PetscFunctionBegin; 48 ierr = PetscFPrintf(PetscObjectComm((PetscObject)draw),win->fd,TikZ_END_FRAME);CHKERRQ(ierr); 49 ierr = PetscFPrintf(PetscObjectComm((PetscObject)draw),win->fd,TikZ_END_DOCUMENT);CHKERRQ(ierr); 50 ierr = PetscFClose(PetscObjectComm((PetscObject)draw),win->fd);CHKERRQ(ierr); 51 ierr = PetscFree(win->filename);CHKERRQ(ierr); 52 ierr = PetscFree(draw->data);CHKERRQ(ierr); 53 PetscFunctionReturn(0); 54 } 55 56 static const char *TikZColors[] = {"white","black","red","green","cyan","blue","magenta",0,0,"orange","violet","brown","pink",0,"yellow",0}; 57 58 PETSC_STATIC_INLINE const char *TikZColorMap(int cl) 59 { 60 return((cl < 16) ? (TikZColors[cl] ? TikZColors[cl] : "black") : "black"); 61 } 62 63 /* 64 These macros transform from the users coordinates to the (0,0) -> (1,1) coordinate system 65 */ 66 #define XTRANS(draw,x) (double)(((draw)->port_xl + (((x - (draw)->coor_xl)*((draw)->port_xr - (draw)->port_xl))/((draw)->coor_xr - (draw)->coor_xl)))) 67 #define YTRANS(draw,y) (double)(((draw)->port_yl + (((y - (draw)->coor_yl)*((draw)->port_yr - (draw)->port_yl))/((draw)->coor_yr - (draw)->coor_yl)))) 68 69 static PetscErrorCode PetscDrawClear_TikZ(PetscDraw draw) 70 { 71 PetscDraw_TikZ *win = (PetscDraw_TikZ*)draw->data; 72 PetscBool written; 73 PetscErrorCode ierr; 74 75 PetscFunctionBegin; 76 /* often PETSc generates unneeded clears, we want avoid creating empy pictures for them */ 77 ierr = MPI_Allreduce(&win->written,&written,1,MPIU_BOOL,MPI_LOR,PetscObjectComm((PetscObject)(draw)));CHKERRQ(ierr); 78 if (!written) PetscFunctionReturn(0); 79 ierr = PetscFPrintf(PetscObjectComm((PetscObject)draw),win->fd,TikZ_END_FRAME);CHKERRQ(ierr); 80 ierr = PetscFPrintf(PetscObjectComm((PetscObject)draw),win->fd,TikZ_BEGIN_FRAME);CHKERRQ(ierr); 81 win->written = PETSC_FALSE; 82 PetscFunctionReturn(0); 83 } 84 85 static PetscErrorCode PetscDrawLine_TikZ(PetscDraw draw,PetscReal xl,PetscReal yl,PetscReal xr,PetscReal yr,int cl) 86 { 87 PetscDraw_TikZ *win = (PetscDraw_TikZ*)draw->data; 88 PetscErrorCode ierr; 89 90 PetscFunctionBegin; 91 win->written = PETSC_TRUE; 92 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); 93 PetscFunctionReturn(0); 94 } 95 96 static PetscErrorCode PetscDrawRectangle_TikZ(PetscDraw draw,PetscReal xl,PetscReal yl,PetscReal xr,PetscReal yr,int c1,int c2,int c3,int c4) 97 { 98 PetscDraw_TikZ *win = (PetscDraw_TikZ*)draw->data; 99 PetscErrorCode ierr; 100 101 PetscFunctionBegin; 102 win->written = PETSC_TRUE; 103 ierr = PetscFPrintf(PetscObjectComm((PetscObject)draw),win->fd,"\\fill [bottom color=%s,top color=%s] (%g,%g) rectangle (%g,%g);\n",TikZColorMap(c1),TikZColorMap(c4),XTRANS(draw,xl),YTRANS(draw,yl),XTRANS(draw,xr),YTRANS(draw,yr));CHKERRQ(ierr); 104 PetscFunctionReturn(0); 105 } 106 107 static PetscErrorCode PetscDrawTriangle_TikZ(PetscDraw draw,PetscReal x1,PetscReal y1,PetscReal x2,PetscReal y2,PetscReal x3,PetscReal y3,int c1,int c2,int c3) 108 { 109 PetscDraw_TikZ *win = (PetscDraw_TikZ*)draw->data; 110 PetscErrorCode ierr; 111 112 PetscFunctionBegin; 113 win->written = PETSC_TRUE; 114 ierr = PetscFPrintf(PetscObjectComm((PetscObject)draw),win->fd,"\\fill [color=%s] (%g,%g) -- (%g,%g) -- (%g,%g) -- cycle;\n",TikZColorMap(c1),XTRANS(draw,x1),YTRANS(draw,y1),XTRANS(draw,x2),YTRANS(draw,y2),XTRANS(draw,x3),YTRANS(draw,y3));CHKERRQ(ierr); 115 PetscFunctionReturn(0); 116 } 117 118 static PetscErrorCode PetscDrawEllipse_TikZ(PetscDraw draw,PetscReal x,PetscReal y,PetscReal a,PetscReal b,int c) 119 { 120 PetscDraw_TikZ *win = (PetscDraw_TikZ*)draw->data; 121 PetscReal rx,ry; 122 PetscErrorCode ierr; 123 124 PetscFunctionBegin; 125 win->written = PETSC_TRUE; 126 rx = a/2*(draw->port_xr-draw->port_xl)/(draw->coor_xr-draw->coor_xl); 127 ry = b/2*(draw->port_yr-draw->port_yl)/(draw->coor_yr-draw->coor_yl); 128 ierr = PetscFPrintf(PetscObjectComm((PetscObject)draw),win->fd,"\\fill [color=%s] (%g,%g) circle [x radius=%g,y radius=%g];\n",TikZColorMap(c),XTRANS(draw,x),YTRANS(draw,y),rx,ry);CHKERRQ(ierr); 129 PetscFunctionReturn(0); 130 } 131 132 static PetscErrorCode PetscDrawString_TikZ(PetscDraw draw,PetscReal xl,PetscReal yl,int cl,const char text[]) 133 { 134 PetscDraw_TikZ *win = (PetscDraw_TikZ*)draw->data; 135 PetscErrorCode ierr; 136 137 PetscFunctionBegin; 138 win->written = PETSC_TRUE; 139 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); 140 PetscFunctionReturn(0); 141 } 142 143 static PetscErrorCode PetscDrawStringVertical_TikZ(PetscDraw draw,PetscReal xl,PetscReal yl,int cl,const char text[]) 144 { 145 PetscDraw_TikZ *win = (PetscDraw_TikZ*)draw->data; 146 PetscErrorCode ierr; 147 size_t len; 148 PetscReal width; 149 150 PetscFunctionBegin; 151 win->written = PETSC_TRUE; 152 ierr = PetscStrlen(text,&len);CHKERRQ(ierr); 153 ierr = PetscDrawStringGetSize(draw,&width,NULL);CHKERRQ(ierr); 154 yl = yl - len*width*(draw->coor_yr - draw->coor_yl)/(draw->coor_xr - draw->coor_xl); 155 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); 156 PetscFunctionReturn(0); 157 } 158 159 /* 160 Does not handle multiline strings correctly 161 */ 162 static PetscErrorCode PetscDrawStringBoxed_TikZ(PetscDraw draw,PetscReal xl,PetscReal yl,int cl,int ct,const char text[],PetscReal *w,PetscReal *h) 163 { 164 PetscDraw_TikZ *win = (PetscDraw_TikZ*)draw->data; 165 PetscErrorCode ierr; 166 size_t len; 167 168 PetscFunctionBegin; 169 win->written = PETSC_TRUE; 170 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); 171 172 /* make up totally bogus height and width of box */ 173 ierr = PetscStrlen(text,&len);CHKERRQ(ierr); 174 if (w) *w = .07*len; 175 if (h) *h = .07; 176 PetscFunctionReturn(0); 177 } 178 179 static PetscErrorCode PetscDrawStringGetSize_TikZ(PetscDraw draw,PetscReal *x,PetscReal *y) 180 { 181 PetscFunctionBegin; 182 if (x) *x = .014*(draw->coor_xr - draw->coor_xl)/((draw->port_xr - draw->port_xl)); 183 if (y) *y = .05*(draw->coor_yr - draw->coor_yl)/((draw->port_yr - draw->port_yl)); 184 PetscFunctionReturn(0); 185 } 186 187 static struct _PetscDrawOps DvOps = { 0, 188 0, 189 PetscDrawLine_TikZ, 190 0, 191 0, 192 0, 193 0, 194 PetscDrawString_TikZ, 195 PetscDrawStringVertical_TikZ, 196 0, 197 PetscDrawStringGetSize_TikZ, 198 0, 199 PetscDrawClear_TikZ, 200 PetscDrawRectangle_TikZ, 201 PetscDrawTriangle_TikZ, 202 PetscDrawEllipse_TikZ, 203 0, 204 0, 205 0, 206 0, 207 0, 208 0, 209 0, 210 0, 211 PetscDrawDestroy_TikZ, 212 0, 213 0, 214 0, 215 0, 216 0, 217 0, 218 0, 219 0, 220 0, 221 0, 222 PetscDrawStringBoxed_TikZ}; 223 224 PETSC_EXTERN PetscErrorCode PetscDrawCreate_TikZ(PetscDraw draw) 225 { 226 PetscDraw_TikZ *win; 227 PetscErrorCode ierr; 228 229 PetscFunctionBegin; 230 ierr = PetscMemcpy(draw->ops,&DvOps,sizeof(DvOps));CHKERRQ(ierr); 231 ierr = PetscNew(&win);CHKERRQ(ierr); 232 ierr = PetscLogObjectMemory((PetscObject)draw,sizeof(PetscDraw_TikZ));CHKERRQ(ierr); 233 234 draw->data = (void*) win; 235 236 if (draw->title) { 237 ierr = PetscStrallocpy(draw->title,&win->filename);CHKERRQ(ierr); 238 } else { 239 const char *fname; 240 ierr = PetscObjectGetName((PetscObject)draw,&fname);CHKERRQ(ierr); 241 ierr = PetscStrallocpy(fname,&win->filename);CHKERRQ(ierr); 242 } 243 ierr = PetscFOpen(PetscObjectComm((PetscObject)draw),win->filename,"w",&win->fd);CHKERRQ(ierr); 244 ierr = PetscFPrintf(PetscObjectComm((PetscObject)draw),win->fd,TikZ_BEGIN_DOCUMENT);CHKERRQ(ierr); 245 ierr = PetscFPrintf(PetscObjectComm((PetscObject)draw),win->fd,TikZ_BEGIN_FRAME);CHKERRQ(ierr); 246 247 win->written = PETSC_FALSE; 248 PetscFunctionReturn(0); 249 } 250