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