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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 10 | reyssat | 1 | /* Copyright (C) 1998-2003 XIAO, Gang of Universite de Nice - Sophia Antipolis |
| 2 | * |
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| 3 | * This program is free software; you can redistribute it and/or modify |
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| 4 | * it under the terms of the GNU General Public License as published by |
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| 5 | * the Free Software Foundation; either version 2 of the License, or |
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| 6 | * (at your option) any later version. |
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| 7 | * |
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| 8 | * This program is distributed in the hope that it will be useful, |
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| 9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 11 | * GNU General Public License for more details. |
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| 12 | * |
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| 13 | * You should have received a copy of the GNU General Public License |
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| 14 | * along with this program; if not, write to the Free Software |
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| 15 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
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| 16 | */ |
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| 8177 | bpr | 17 | |
| 18 | #include <errno.h> |
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| 8102 | bpr | 19 | #include "flydraw.h" |
| 8177 | bpr | 20 | |
| 17574 | bpr | 21 | /* Tikz things */ |
| 22 | /* the_tiled,gdTiled , int the_tiled*/ |
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| 23 | static char *tikz_options (int the_color, int the_fill) |
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| 24 | { |
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| 25 | static char buf[100]; |
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| 26 | if (the_color == gdBrushed) |
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| 27 | the_color = tikz_brushColor; |
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| 28 | int r=gdImageRed(image,the_color); |
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| 29 | int g=gdImageGreen(image,the_color); |
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| 30 | int b=gdImageBlue(image,the_color); |
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| 31 | sprintf(buf, "draw={rgb,255:red,%i;green,%i;blue,%i},cap=round",r,g,b); |
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| 32 | if (the_color != tikz_brushColor) strcat(buf, ",thin"); |
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| 33 | if (the_fill == -1) strcat(buf, ",dashed"); |
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| 34 | if (the_fill == 1) |
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| 35 | sprintf(buf+strlen(buf), ",fill={rgb,255:red,%i;green,%i;blue,%i}",r,g,b); |
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| 36 | return buf; |
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| 37 | } |
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| 38 | |||
| 39 | #define flip(y) (sizey-(y)) |
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| 40 | |||
| 8010 | bpr | 41 | /* bug in gdImageFillToBorder */ |
| 10 | reyssat | 42 | |
| 8162 | bpr | 43 | void patchgdImageFillToBorder (gdImagePtr im, int x, int y, int border, int color) |
| 8076 | bpr | 44 | { |
| 12473 | bpr | 45 | if(x>=im->sx || x<0 || y>=im->sy || y<0) return; |
| 46 | gdImageFillToBorder(im,x,y,border,color); |
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| 8076 | bpr | 47 | } |
| 48 | |||
| 8162 | bpr | 49 | void patchgdImageFill (gdImagePtr im, int x, int y, int color) |
| 8156 | bpr | 50 | { |
| 12473 | bpr | 51 | if(x>=im->sx || x<0 || y>=im->sy || y<0) return; |
| 52 | gdImageFill(im,x,y,color); |
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| 8156 | bpr | 53 | } |
| 8076 | bpr | 54 | |
| 8156 | bpr | 55 | |
| 9651 | georgesk | 56 | #define DASHPIXELS 8 |
| 57 | |||
| 58 | void myDashedLine(gdImagePtr im, int x1, int y1, int x2, int y2, int color){ |
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| 59 | /** |
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| 60 | * emulates gdImageDashedLine with gdImageSetStyle and gdImageLine |
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| 61 | * GK: As gdImageDashedLine is slightly broken in latest libgd libraries, |
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| 62 | * GK: I implemented an emulation named "myDashedLine" |
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| 63 | **/ |
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| 64 | |||
| 65 | int styleDashed[DASHPIXELS],i; |
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| 66 | for (i=0; i< DASHPIXELS/2; i++) styleDashed[i]=color; |
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| 67 | for (; i< DASHPIXELS; i++) styleDashed[i]=gdTransparent; |
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| 68 | gdImageSetStyle(im, styleDashed, DASHPIXELS); |
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| 69 | gdImageLine(im, x1, y1, x2, y2, gdStyled); |
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| 70 | } |
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| 71 | |||
| 72 | |||
| 7675 | bpr | 73 | /* File opening: with security */ |
| 10 | reyssat | 74 | FILE *open4read(char *n) |
| 75 | { |
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| 12473 | bpr | 76 | char *p, *p1, *p2, namebuf[2048]; |
| 77 | int t; |
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| 78 | FILE *f; |
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| 79 | n=find_word_start(n); |
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| 80 | if(*n==0) return NULL; |
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| 81 | p=getenv("flydraw_filebase"); |
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| 82 | p1=n+strlen(n)-4;if(p1<n || strcasecmp(p1,".gif")!=0) t=1; else t=0; |
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| 83 | if(p!=NULL && *p!=0) { |
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| 84 | char pbuf[MAX_LINELEN+1]; |
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| 85 | snprintf(pbuf,sizeof(pbuf),"%s",p); |
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| 86 | p=find_word_start(pbuf); if(strstr(p,"..")!=NULL) return NULL; |
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| 87 | if(*n=='/' || strstr(n,"..")!=NULL) return NULL; |
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| 88 | /* prohibit unusual file/dir names */ |
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| 89 | for(p1=p;*p1;p1++) |
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| 90 | if(!isalnum(*p1) && !isspace(*p1) && strchr("~_-/.",*p1)==NULL) |
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| 91 | return NULL; |
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| 92 | for(p1=n;*p1;p1++) |
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| 93 | if(!isalnum(*p1) && !isspace(*p1) && strchr("~_-/.",*p1)==NULL) |
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| 94 | return NULL; |
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| 95 | f=NULL; |
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| 96 | for(p1=p; *p1; p1=find_word_start(p2)) { |
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| 97 | p2=find_word_end(p1); |
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| 98 | if(*p2) *p2++=0; |
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| 99 | snprintf(namebuf,sizeof(namebuf),"%s/%s",p1,n); |
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| 100 | f=fopen(namebuf,"r"); if(f!=NULL) goto imgtype; |
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| 10 | reyssat | 101 | } |
| 12473 | bpr | 102 | p1=getenv("w_wims_session"); |
| 103 | if(p1!=NULL && strncmp(n,"insert",6)==0) { |
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| 104 | snprintf(namebuf,sizeof(namebuf),"../s2/%s/%s",p1,n); |
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| 7675 | bpr | 105 | f=fopen(namebuf,"r"); |
| 10 | reyssat | 106 | } |
| 12473 | bpr | 107 | } |
| 108 | else { |
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| 109 | snprintf(namebuf,sizeof(namebuf),"%s",n); |
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| 110 | f=fopen(namebuf,"r"); |
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| 111 | } |
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| 112 | imgtype: |
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| 113 | if(t && f!=NULL) { |
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| 114 | char tbuf[1024],sbuf[4096]; |
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| 115 | fclose(f); f=NULL; |
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| 116 | p1=getenv("TMPDIR"); if(p1==NULL || *p1==0) p1="."; |
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| 117 | snprintf(tbuf,sizeof(tbuf),"%s/drawfile_.gif",p1); |
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| 118 | snprintf(sbuf,sizeof(sbuf),"convert %s %s",namebuf,tbuf); |
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| 119 | if (system(sbuf)) fly_error("system_failed"); |
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| 120 | f=fopen(tbuf,"r"); |
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| 121 | } |
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| 122 | return f; |
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| 10 | reyssat | 123 | } |
| 124 | |||
| 7675 | bpr | 125 | /* Does nothing; just a comment. */ |
| 10 | reyssat | 126 | void obj_comment(objparm *pm) |
| 127 | { |
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| 12473 | bpr | 128 | return; |
| 10 | reyssat | 129 | } |
| 130 | |||
| 7675 | bpr | 131 | /* define image size */ |
| 10 | reyssat | 132 | void obj_size(objparm *pm) |
| 133 | { |
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| 12473 | bpr | 134 | sizex=rint(pm->pd[0]); sizey=rint(pm->pd[1]); |
| 135 | if(sizex<0 || sizey<0 || sizex>MAX_SIZE || sizey>MAX_SIZE) { |
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| 136 | fly_error("bad_size"); return; |
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| 137 | } |
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| 138 | if(image!=NULL) { |
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| 139 | fly_error("size_already_defined"); return; |
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| 140 | } |
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| 141 | image=gdImageCreate(sizex,sizey); |
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| 17574 | bpr | 142 | if(tikz_file) fprintf(tikz_file,"\\clip (0,0) rectangle (%i, %i);\n", sizex, sizey); |
| 12473 | bpr | 143 | if(image==NULL) fly_error("image_creation_failure"); |
| 144 | else { |
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| 145 | color_white=gdImageColorAllocate(image,255,255,255); |
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| 146 | color_black=gdImageColorAllocate(image,0,0,0); |
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| 147 | color_bounder=gdImageColorAllocate(image,1,2,3); |
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| 148 | color_frame=gdImageColorAllocate(image,254,254,254); |
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| 149 | } |
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| 10 | reyssat | 150 | } |
| 151 | |||
| 7675 | bpr | 152 | /* new image */ |
| 10 | reyssat | 153 | void obj_new(objparm *pm) |
| 154 | { |
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| 12473 | bpr | 155 | if(image) { |
| 156 | gdImageDestroy(image);image=NULL; |
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| 157 | } |
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| 158 | if(pm->pcnt>=2) { obj_size(pm); gdImageRectangle(image,0,0,sizex-1,sizey-1,color_frame);} |
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| 159 | else sizex=sizey=0; |
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| 160 | saved=0; |
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| 10 | reyssat | 161 | } |
| 162 | |||
| 7675 | bpr | 163 | /* new image */ |
| 10 | reyssat | 164 | void obj_existing(objparm *pm) |
| 165 | { |
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| 12473 | bpr | 166 | FILE *inf; |
| 167 | char *pp; |
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| 7615 | bpr | 168 | |
| 12473 | bpr | 169 | if(image) { |
| 170 | gdImageDestroy(image);image=NULL; |
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| 171 | } |
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| 172 | pp=find_word_start(pm->str);*find_word_end(pp)=0; |
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| 173 | inf=open4read(pp); |
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| 174 | if(inf==NULL) { |
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| 175 | fly_error("file_not_exist"); return; |
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| 176 | } |
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| 177 | image=gdImageCreateFromGif(inf); fclose(inf); |
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| 178 | if(image==NULL) { |
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| 179 | fly_error("bad_gif"); return; |
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| 180 | } |
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| 181 | sizex=image->sx; sizey=image->sy; |
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| 182 | saved=0; |
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| 10 | reyssat | 183 | } |
| 184 | |||
| 7675 | bpr | 185 | /* solid line */ |
| 10 | reyssat | 186 | void obj_line(objparm *pm) |
| 187 | { |
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| 12473 | bpr | 188 | scale(pm->pd,pm->p,2); |
| 189 | gdImageLine(image,pm->p[0],pm->p[1],pm->p[2],pm->p[3],pm->color[0]); |
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| 17574 | bpr | 190 | if (tikz_file) |
| 191 | fprintf(tikz_file, "\\draw\[%s] (%i, %i) -- (%i, %i);\n", |
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| 192 | tikz_options(pm->color[0],pm->fill),pm->p[0],flip(pm->p[1]),pm->p[2],flip(pm->p[3])); |
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| 12473 | bpr | 193 | if(vimg_enable) vimg_line(scale_buf[0],scale_buf[1],scale_buf[2],scale_buf[3]); |
| 10 | reyssat | 194 | } |
| 195 | |||
| 1024 | bpr | 196 | void _obj_arrow(objparm *pm, int twoside) |
| 10 | reyssat | 197 | { |
| 12473 | bpr | 198 | int l,xx,yy; |
| 199 | gdPoint ii[3]; |
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| 200 | double dx,dy,length,dd[6]; |
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| 201 | scale(pm->pd,pm->p,2); |
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| 202 | xx=ii[0].x=pm->p[2];yy=ii[0].y=pm->p[3]; |
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| 203 | l=pm->pd[4];if(l<0) l=0; if(l>200) l=200; |
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| 204 | scale2(pm->pd[0]-pm->pd[2],pm->pd[1]-pm->pd[3],&dx,&dy); |
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| 205 | length=sqrt(dx*dx+dy*dy); |
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| 206 | if(length<3 || l<5) goto stem; |
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| 207 | dd[0]=l*dx/length; dd[1]=l*dy/length; |
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| 208 | #define fat 0.27 |
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| 209 | dd[2]=dd[0]+dd[1]*fat; dd[3]=dd[1]-dd[0]*fat; |
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| 210 | dd[4]=dd[0]-dd[1]*fat; dd[5]=dd[1]+dd[0]*fat; |
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| 211 | ii[1].x=rint(dd[2])+ii[0].x; ii[1].y=rint(dd[3])+ii[0].y; |
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| 212 | ii[2].x=rint(dd[4])+ii[0].x; ii[2].y=rint(dd[5])+ii[0].y; |
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| 213 | gdImageFilledPolygon(image, ii,3,pm->color[0]); |
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| 17578 | bpr | 214 | if(tikz_file) |
| 215 | fprintf(tikz_file, "\\draw\[%s] (%i, %i) -- (%i, %i) -- (%i, %i) -- cycle;\n", |
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| 216 | tikz_options(pm->color[0],1),ii[0].x,flip(ii[0].y),ii[1].x,flip(ii[1].y),ii[2].x,flip(ii[2].y)); |
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| 217 | if(vimg_enable) vimg_polyline(scale_buf,3,1); |
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| 12473 | bpr | 218 | xx=rint(dd[0])+ii[0].x;yy=rint(dd[1])+ii[0].y; |
| 219 | if(twoside) { |
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| 220 | ii[0].x=pm->p[0]; ii[0].y=pm->p[1]; |
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| 221 | ii[1].x=-rint(dd[2])+ii[0].x; ii[1].y=-rint(dd[3])+ii[0].y; |
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| 222 | ii[2].x=-rint(dd[4])+ii[0].x; ii[2].y=-rint(dd[5])+ii[0].y; |
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| 8163 | bpr | 223 | gdImageFilledPolygon(image, ii,3,pm->color[0]); |
| 17578 | bpr | 224 | if(tikz_file) |
| 225 | fprintf(tikz_file, "\\draw\[%s] (%i, %i) -- (%i, %i) -- (%i, %i) -- cycle;\n", |
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| 226 | tikz_options(pm->color[0],1),ii[0].x,flip(ii[0].y),ii[1].x,flip(ii[1].y),ii[2].x,flip(ii[2].y)); |
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| 12473 | bpr | 227 | } |
| 228 | stem: if(pm->fill) |
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| 229 | myDashedLine(image,pm->p[0],pm->p[1],xx,yy,pm->color[0]); |
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| 230 | else |
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| 231 | gdImageLine(image,pm->p[0],pm->p[1],xx,yy,pm->color[0]); |
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| 17578 | bpr | 232 | if(tikz_file) |
| 233 | fprintf(tikz_file, "\\draw\[%s] (%i, %i) -- (%i, %i);\n", |
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| 17584 | bpr | 234 | tikz_options(pm->color[0],pm->fill),pm->p[0],flip(pm->p[1]),xx,flip(yy)); |
| 12473 | bpr | 235 | if(vimg_enable) vimg_line(scale_buf[0],scale_buf[1],scale_buf[2],scale_buf[3]); |
| 10 | reyssat | 236 | } |
| 237 | |||
| 7675 | bpr | 238 | /* Arrow */ |
| 1024 | bpr | 239 | void obj_arrow(objparm *pm) |
| 240 | { |
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| 12473 | bpr | 241 | _obj_arrow(pm,0); |
| 1024 | bpr | 242 | } |
| 243 | |||
| 7675 | bpr | 244 | /* 2-sided arrow */ |
| 1024 | bpr | 245 | void obj_arrow2(objparm *pm) |
| 246 | { |
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| 12473 | bpr | 247 | _obj_arrow(pm,1); |
| 1024 | bpr | 248 | } |
| 249 | |||
| 7675 | bpr | 250 | /* horizontal line */ |
| 10 | reyssat | 251 | void obj_hline(objparm *pm) |
| 252 | { |
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| 12473 | bpr | 253 | scale(pm->pd,pm->p,1); |
| 254 | if(pm->fill) |
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| 255 | myDashedLine(image,0,pm->p[1],sizex,pm->p[1],pm->color[0]); |
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| 256 | else |
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| 257 | gdImageLine(image,0,pm->p[1],sizex,pm->p[1],pm->color[0]); |
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| 17574 | bpr | 258 | if (tikz_file) |
| 259 | fprintf(tikz_file, "\\draw\[%s] (%i, %i) -- (%i, %i);\n", |
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| 260 | tikz_options(pm->color[0],pm->fill),0,flip(pm->p[1]),sizex,flip(pm->p[1])); |
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| 10 | reyssat | 261 | } |
| 262 | |||
| 17574 | bpr | 263 | /* tikzfile */ |
| 264 | void obj_tikzfile(objparm *pm) |
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| 265 | { |
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| 266 | char *p; |
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| 267 | if(tikz_file){ |
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| 268 | fprintf(tikz_file,"\\end{tikzpicture}\n\\end{document}\n"); |
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| 269 | fclose(tikz_file); |
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| 270 | } |
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| 271 | p=find_word_start(pm->str); *find_word_end(p)=0; |
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| 272 | snprintf(tikzfilename,sizeof(tikzfilename),"%s",p); |
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| 273 | tikz_file=fopen(tikzfilename,"w"); |
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| 274 | if(!tikz_file) |
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| 275 | fly_error("tikz_nopen"); |
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| 276 | fprintf(tikz_file,"\\documentclass\[11pt]{article}\n\\usepackage{tikz}\n\\begin{document}\n\\begin{tikzpicture}\[scale=0.0254]\n"); |
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| 277 | } |
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| 278 | |||
| 7675 | bpr | 279 | /* vertical line */ |
| 10 | reyssat | 280 | void obj_vline(objparm *pm) |
| 281 | { |
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| 12473 | bpr | 282 | scale(pm->pd,pm->p,1); |
| 283 | if(pm->fill) |
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| 284 | myDashedLine(image,pm->p[0],0,pm->p[0],sizey,pm->color[0]); |
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| 285 | else |
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| 286 | gdImageLine(image,pm->p[0],0,pm->p[0],sizey,pm->color[0]); |
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| 17574 | bpr | 287 | if (tikz_file) |
| 288 | fprintf(tikz_file, "\\draw\[%s] (%i, %i) -- (%i, %i);\n", |
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| 289 | tikz_options(pm->color[0],pm->fill),pm->p[0],0,pm->p[0],sizey); |
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| 10 | reyssat | 290 | } |
| 291 | |||
| 7675 | bpr | 292 | /* dashed line */ |
| 10 | reyssat | 293 | void obj_dline(objparm *pm) |
| 294 | { |
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| 12473 | bpr | 295 | scale(pm->pd,pm->p,2); |
| 296 | myDashedLine(image,pm->p[0],pm->p[1],pm->p[2],pm->p[3], pm->color[0]); |
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| 17574 | bpr | 297 | if (tikz_file) |
| 298 | fprintf(tikz_file, "\\draw\[%s] (%i, %i) -- (%i, %i);\n", |
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| 299 | tikz_options(pm->color[0],-1), |
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| 300 | pm->p[0],flip(pm->p[1]),pm->p[2],flip(pm->p[3])); |
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| 10 | reyssat | 301 | } |
| 302 | |||
| 7675 | bpr | 303 | /* parallel lines. |
| 304 | * x1,y1,x2,y2,xv,yv,n,color */ |
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| 10 | reyssat | 305 | void obj_parallel(objparm *pm) |
| 306 | { |
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| 12473 | bpr | 307 | int i, n, xi,yi; |
| 308 | double xv,yv; |
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| 309 | n=pm->pd[6]; if(n<0) return; if(n>256) n=256; |
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| 310 | scale(pm->pd,pm->p,3); |
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| 311 | scale2(pm->pd[4],pm->pd[5],&xv,&yv); |
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| 312 | for(i=0;i<n;i++) { |
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| 313 | xi=rint(i*xv); yi=rint(i*yv); |
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| 314 | gdImageLine(image,pm->p[0]+xi,pm->p[1]+yi,pm->p[2]+xi,pm->p[3]+yi, |
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| 315 | pm->color[0]); |
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| 17574 | bpr | 316 | if (tikz_file) |
| 317 | fprintf(tikz_file, "\\draw\[%s] (%i, %i) -- (%i, %i);\n", |
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| 318 | tikz_options(pm->color[0],pm->fill), |
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| 319 | pm->p[0]+xi,flip(pm->p[1]+yi),pm->p[2]+xi,flip(pm->p[3]+yi)); |
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| 12473 | bpr | 320 | if(vimg_enable) vimg_line(scale_buf[0]+i*(scale_buf[4]-transx), |
| 321 | scale_buf[1]+i*(scale_buf[5]-transy), |
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| 322 | scale_buf[2]+i*(scale_buf[4]-transx), |
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| 323 | scale_buf[3]+i*(scale_buf[5]-transy)); |
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| 324 | } |
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| 10 | reyssat | 325 | } |
| 326 | |||
| 7675 | bpr | 327 | /* rectangle */ |
| 10 | reyssat | 328 | void obj_rect(objparm *pm) |
| 329 | { |
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| 12473 | bpr | 330 | int x1,y1,x2,y2; |
| 331 | scale(pm->pd,pm->p,2); |
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| 332 | x1=min(pm->p[0],pm->p[2]); x2=max(pm->p[0],pm->p[2]); |
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| 333 | y1=min(pm->p[1],pm->p[3]); y2=max(pm->p[1],pm->p[3]); |
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| 334 | if(pm->fill) |
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| 335 | gdImageFilledRectangle(image,x1,y1,x2,y2,pm->color[0]); |
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| 336 | else |
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| 337 | gdImageRectangle(image,x1,y1,x2,y2,pm->color[0]); |
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| 17584 | bpr | 338 | if(tikz_file) |
| 339 | fprintf(tikz_file, |
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| 340 | "\\draw\[%s] (%i,%i) rectangle (%i,%i);\n", |
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| 341 | tikz_options(pm->color[0],pm->fill),x1,flip(y1),x2,flip(y2)); |
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| 12473 | bpr | 342 | if(vimg_enable) vimg_rect(scale_buf[0],scale_buf[1],scale_buf[2],scale_buf[3]); |
| 10 | reyssat | 343 | } |
| 344 | |||
| 7675 | bpr | 345 | /* square */ |
| 10 | reyssat | 346 | void obj_square(objparm *pm) |
| 347 | { |
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| 12473 | bpr | 348 | int w,h; |
| 349 | scale(pm->pd,pm->p,1); |
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| 350 | w=rint(pm->pd[2]); h=rint(pm->pd[2]); |
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| 351 | if(pm->fill) |
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| 352 | gdImageFilledRectangle(image,pm->p[0],pm->p[1], |
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| 353 | pm->p[0]+w,pm->p[1]+h,pm->color[0]); |
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| 354 | else |
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| 355 | gdImageRectangle(image,pm->p[0],pm->p[1], |
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| 356 | pm->p[0]+w,pm->p[1]+h,pm->color[0]); |
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| 17574 | bpr | 357 | if(tikz_file){ |
| 358 | fprintf(tikz_file, |
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| 359 | "\\draw\[%s] (%i,%i) rectangle (%i,%i);\n", |
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| 360 | tikz_options(pm->color[0],pm->fill),pm->p[0],flip(pm->p[1]), |
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| 361 | pm->p[0]+w,flip(pm->p[1]+h)); |
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| 362 | } |
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| 12473 | bpr | 363 | if(vimg_enable) vimg_rect(scale_buf[0],scale_buf[1], |
| 364 | scale_buf[0]+pm->pd[2],scale_buf[1]+pm->pd[2]); |
||
| 10 | reyssat | 365 | } |
| 366 | |||
| 7675 | bpr | 367 | /* triangle */ |
| 10 | reyssat | 368 | void obj_triangle(objparm *pm) |
| 369 | { |
||
| 12473 | bpr | 370 | scale(pm->pd,pm->p,3); |
| 371 | if(pm->fill) |
||
| 372 | gdImageFilledPolygon(image,(gdPointPtr) pm->p,3,pm->color[0]); |
||
| 373 | else |
||
| 374 | gdImagePolygon(image,(gdPointPtr) pm->p,3,pm->color[0]); |
||
| 17574 | bpr | 375 | if (tikz_file) |
| 376 | fprintf(tikz_file, "\\draw\[%s] (%i, %i) -- (%i, %i) -- (%i, %i) -- cycle;\n", |
||
| 377 | tikz_options(pm->color[0],pm->fill),pm->p[0],flip(pm->p[1]),pm->p[2],flip(pm->p[3]),pm->p[4],flip(pm->p[5])); |
||
| 12473 | bpr | 378 | if(vimg_enable) vimg_polyline(scale_buf,3,1); |
| 10 | reyssat | 379 | } |
| 380 | |||
| 7675 | bpr | 381 | /* polygon */ |
| 10 | reyssat | 382 | void obj_poly(objparm *pm) |
| 383 | { |
||
| 17574 | bpr | 384 | int cnt,i; |
| 12473 | bpr | 385 | cnt=(pm->pcnt)/2; |
| 386 | scale(pm->pd,pm->p,cnt); |
||
| 387 | if(pm->fill) |
||
| 388 | gdImageFilledPolygon(image,(gdPointPtr) pm->p,cnt,pm->color[0]); |
||
| 389 | else |
||
| 390 | gdImagePolygon(image,(gdPointPtr) pm->p,cnt,pm->color[0]); |
||
| 17574 | bpr | 391 | if(tikz_file) |
| 392 | for (i= 0; i<cnt; i++) |
||
| 393 | fprintf(tikz_file,"\\draw\[%s] (%i,%i)--(%i,%i);\n", |
||
| 394 | tikz_options(pm->color[0],pm->fill), |
||
| 395 | pm->p[2*i],flip(pm->p[2*i+1]), |
||
| 396 | pm->p[2*((i+1)%cnt)],flip(pm->p[2*((i+1)%cnt)+1])); |
||
| 12473 | bpr | 397 | if(vimg_enable) vimg_polyline(scale_buf,cnt,1); |
| 10 | reyssat | 398 | } |
| 399 | |||
| 7675 | bpr | 400 | /* rays */ |
| 10 | reyssat | 401 | void obj_rays(objparm *pm) |
| 402 | { |
||
| 12473 | bpr | 403 | int i, n; |
| 404 | n=(pm->pcnt)/2; |
||
| 405 | scale(pm->pd,pm->p,n); |
||
| 406 | for(i=2;i<2*n;i+=2) { |
||
| 407 | gdImageLine(image,pm->p[0],pm->p[1],pm->p[i],pm->p[i+1],pm->color[0]); |
||
| 17574 | bpr | 408 | if (tikz_file) |
| 409 | fprintf(tikz_file, "\\draw\[%s] (%i, %i) -- (%i, %i);\n", |
||
| 410 | tikz_options(pm->color[0],pm->fill),pm->p[0],flip(pm->p[1]),pm->p[i],flip(pm->p[i+1])); |
||
| 12473 | bpr | 411 | if(vimg_enable) vimg_line(scale_buf[0],scale_buf[1], |
| 412 | scale_buf[i],scale_buf[i+1]); |
||
| 413 | } |
||
| 10 | reyssat | 414 | } |
| 8414 | bpr | 415 | /* crosshair */ |
| 416 | void obj_crosshair(objparm *pm) |
||
| 417 | { |
||
| 12473 | bpr | 418 | scale(pm->pd,pm->p,2); |
| 419 | gdImageLine(image,pm->p[0]+width2,pm->p[1]+width2,pm->p[0]-width2,pm->p[1]-width2,pm->color[0]); |
||
| 420 | gdImageLine(image,pm->p[0]-width2,pm->p[1]+width2,pm->p[0]+width2,pm->p[1]-width2,pm->color[0]); |
||
| 17574 | bpr | 421 | if (tikz_file){ |
| 422 | fprintf(tikz_file, "\\draw\[%s] (%i, %i) -- (%i, %i);\n", |
||
| 423 | tikz_options(pm->color[0],pm->fill),pm->p[0]+width2,flip(pm->p[1]+width2),pm->p[0]-width2,flip(pm->p[1]-width2)); |
||
| 424 | fprintf(tikz_file, "\\draw\[%s] (%i, %i) -- (%i, %i);\n", |
||
| 425 | tikz_options(pm->color[0],pm->fill),pm->p[0]-width2,flip(pm->p[1]+width2),pm->p[0]+width2,flip(pm->p[1]-width2)); |
||
| 426 | } |
||
| 8414 | bpr | 427 | } |
| 428 | /* crosshairs */ |
||
| 10 | reyssat | 429 | |
| 8414 | bpr | 430 | void obj_crosshairs(objparm *pm) |
| 431 | { |
||
| 12473 | bpr | 432 | int i, n; |
| 433 | n=(pm->pcnt)/2; |
||
| 434 | scale(pm->pd,pm->p,n); |
||
| 435 | for(i=0;i<2*n;i+=2) { |
||
| 436 | gdImageLine(image,pm->p[i]+width2,pm->p[i+1]+width2,pm->p[i]-width2,pm->p[i+1]-width2,pm->color[0]); |
||
| 437 | gdImageLine(image,pm->p[i]-width2,pm->p[i+1]+width2,pm->p[i]+width2,pm->p[i+1]-width2,pm->color[0]); |
||
| 17574 | bpr | 438 | if (tikz_file){ |
| 439 | fprintf(tikz_file, "\\draw\[%s] (%i, %i) -- (%i, %i);\n", |
||
| 440 | tikz_options(pm->color[0],pm->fill),pm->p[i]+width2,flip(pm->p[i+1]+width2),pm->p[i]-width2,flip(pm->p[i+1]-width2)); |
||
| 441 | fprintf(tikz_file, "\\draw\[%s] (%i, %i) -- (%i, %i);\n", |
||
| 442 | tikz_options(pm->color[0],pm->fill),pm->p[i]-width2,flip(pm->p[i+1]+width2),pm->p[i]+width2,flip(pm->p[i+1]-width2)); |
||
| 443 | } |
||
| 12473 | bpr | 444 | } |
| 8414 | bpr | 445 | } |
| 446 | |||
| 447 | |||
| 7675 | bpr | 448 | /* segments */ |
| 10 | reyssat | 449 | void obj_lines(objparm *pm) |
| 450 | { |
||
| 12473 | bpr | 451 | int i, n; |
| 452 | n=(pm->pcnt)/2; |
||
| 453 | scale(pm->pd,pm->p,n); |
||
| 17574 | bpr | 454 | for(i=2;i<2*n;i+=2){ |
| 12473 | bpr | 455 | gdImageLine(image,pm->p[i-2],pm->p[i-1],pm->p[i],pm->p[i+1],pm->color[0]); |
| 17574 | bpr | 456 | if (tikz_file){ |
| 457 | fprintf(tikz_file, "\\draw\[%s] (%i, %i) -- (%i, %i);\n", |
||
| 458 | tikz_options(pm->color[0],pm->fill),pm->p[i-2],flip(pm->p[i-1]),pm->p[i],flip(pm->p[i+1])); |
||
| 459 | } |
||
| 460 | if(vimg_enable) vimg_polyline(scale_buf,n,0); |
||
| 461 | } |
||
| 10 | reyssat | 462 | } |
| 16344 | bpr | 463 | /*segments from x1,y1 to x2,y2, x3,y3 to x4,y4, etc */ |
| 464 | void obj_segments(objparm *pm) |
||
| 465 | { |
||
| 466 | int i, n; |
||
| 467 | n=(pm->pcnt)/4; |
||
| 468 | scale(pm->pd,pm->p,2*n); |
||
| 17574 | bpr | 469 | for(i=0;i<4*n;i+=4){ |
| 16344 | bpr | 470 | gdImageLine(image,pm->p[i],pm->p[i+1],pm->p[i+2],pm->p[i+3],pm->color[0]); |
| 17574 | bpr | 471 | if (tikz_file){ |
| 472 | fprintf(tikz_file, "\\draw\[%s] (%i, %i) -- (%i, %i);\n", |
||
| 473 | tikz_options(pm->color[0],pm->fill),pm->p[i],flip(pm->p[i+1]),pm->p[i+2],flip(pm->p[i+3])); |
||
| 474 | } |
||
| 475 | } |
||
| 16344 | bpr | 476 | } |
| 7675 | bpr | 477 | /* segments */ |
| 10 | reyssat | 478 | void obj_dlines(objparm *pm) |
| 479 | { |
||
| 12473 | bpr | 480 | int i, n; |
| 481 | n=(pm->pcnt)/2; |
||
| 482 | scale(pm->pd,pm->p,n); |
||
| 483 | for(i=2;i<2*n;i+=2) |
||
| 484 | myDashedLine(image,pm->p[i-2],pm->p[i-1],pm->p[i],pm->p[i+1],pm->color[0]); |
||
| 17574 | bpr | 485 | if (tikz_file){ |
| 486 | fprintf(tikz_file, "\\draw\[%s] (%i, %i) -- (%i, %i);\n", |
||
| 487 | tikz_options(pm->color[0],pm->fill),pm->p[i-2],flip(pm->p[i-1]),pm->p[i],flip(pm->p[i+1])); |
||
| 488 | } |
||
| 12473 | bpr | 489 | if(vimg_enable) vimg_polyline(scale_buf,n,0); |
| 10 | reyssat | 490 | } |
| 491 | |||
| 7675 | bpr | 492 | /* points */ |
| 10 | reyssat | 493 | void obj_points(objparm *pm) |
| 494 | { |
||
| 12473 | bpr | 495 | int i, n; |
| 496 | n=(pm->pcnt)/2; |
||
| 497 | scale(pm->pd,pm->p,n); |
||
| 17574 | bpr | 498 | for(i=0;i<2*n;i+=2){ |
| 12473 | bpr | 499 | gdImageSetPixel(image,pm->p[i],pm->p[i+1],pm->color[0]); |
| 17574 | bpr | 500 | if(tikz_file) fprintf(tikz_file, "\\draw\[%s] (%i, %i) circle (0pt);\n", |
| 501 | tikz_options(pm->color[0],pm->fill),pm->p[i],flip(pm->p[i+1])); |
||
| 502 | } |
||
| 10 | reyssat | 503 | } |
| 504 | |||
| 7675 | bpr | 505 | /* lattice. |
| 506 | * x0,y0,xv1,yv1,xv2,yv2,n1,n2,color */ |
||
| 10 | reyssat | 507 | void obj_lattice(objparm *pm) |
| 508 | { |
||
| 12473 | bpr | 509 | int n1,n2,i1,i2,xi1,yi1,xi2,yi2; |
| 510 | double xv1,xv2,yv1,yv2; |
||
| 511 | n1=pm->pd[6];n2=pm->pd[7]; if(n1<0 || n2<0) return; |
||
| 512 | if(n1>256) n1=256; |
||
| 513 | if(n2>256) n2=256; |
||
| 514 | scale(pm->pd,pm->p,1); |
||
| 515 | scale2(pm->pd[2],pm->pd[3],&xv1,&yv1); |
||
| 516 | scale2(pm->pd[4],pm->pd[5],&xv2,&yv2); |
||
| 517 | for(i1=0;i1<n1;i1++) { |
||
| 518 | xi1=rint(i1*xv1)+pm->p[0]; yi1=rint(i1*yv1)+pm->p[1]; |
||
| 519 | for(i2=0;i2<n2;i2++) { |
||
| 520 | xi2=i2*xv2+xi1;yi2=i2*yv2+yi1; |
||
| 521 | gdImageSetPixel(image,xi2,yi2,pm->color[0]); |
||
| 17574 | bpr | 522 | if(tikz_file) fprintf(tikz_file,"\\draw[%s] (%i,%i) circle (0pt);\n", |
| 523 | tikz_options(pm->color[0],0),xi2,flip(yi2)); |
||
| 10 | reyssat | 524 | } |
| 12473 | bpr | 525 | } |
| 10 | reyssat | 526 | } |
| 527 | |||
| 7675 | bpr | 528 | /* arc */ |
| 10 | reyssat | 529 | void obj_arc(objparm *pm) |
| 530 | { |
||
| 12473 | bpr | 531 | scale(pm->pd,pm->p,1); |
| 532 | pm->p[2]=rint(pm->pd[2]*xscale); pm->p[3]=rint(pm->pd[3]*yscale); |
||
| 533 | gdImageArc(image,pm->p[0],pm->p[1],pm->p[2],pm->p[3], |
||
| 534 | pm->pd[4],pm->pd[5],pm->color[0]); |
||
| 17574 | bpr | 535 | if(tikz_file) { |
| 536 | fprintf(tikz_file, |
||
| 537 | "\\draw\[%s, domain=%f:%f] plot ({%i+%f*cos(\\x)}, {%i+%f*sin(\\x)});\n", |
||
| 538 | tikz_options(pm->color[0],pm->fill), |
||
| 539 | pm->pd[4],pm->pd[5],pm->p[0],pm->p[2]*0.5,flip(pm->p[1]),pm->p[3]*(-0.5)); |
||
| 540 | } |
||
| 541 | /*FIXME echelle mauvaise*/ |
||
| 12473 | bpr | 542 | if(vimg_enable) vimg_arc(scale_buf[0],scale_buf[1], |
| 543 | 0.5*pm->pd[2],0.5*pm->pd[3],pm->pd[4],pm->pd[5]); |
||
| 10 | reyssat | 544 | } |
| 545 | |||
| 7675 | bpr | 546 | /* Ellipse: centre 0,1, width 2, hight 3, color 4,5,6 */ |
| 10 | reyssat | 547 | void obj_ellipse(objparm *pm) |
| 548 | { |
||
| 12473 | bpr | 549 | scale(pm->pd,pm->p,1); |
| 550 | pm->p[2]=rint(pm->pd[2]*xscale); pm->p[3]=rint(pm->pd[3]*yscale); |
||
| 551 | if(pm->fill) { |
||
| 552 | gdImageArc(image,pm->p[0],pm->p[1],pm->p[2],pm->p[3],0,360, |
||
| 553 | color_bounder); |
||
| 554 | patchgdImageFillToBorder(image,pm->p[0],pm->p[1], |
||
| 555 | color_bounder,pm->color[0]); |
||
| 556 | } |
||
| 557 | gdImageArc(image,pm->p[0],pm->p[1],pm->p[2],pm->p[3],0,360,pm->color[0]); |
||
| 17574 | bpr | 558 | if(tikz_file) fprintf(tikz_file,"\\draw\[%s] (%i,%i) ellipse (%f and %f);\n\n", |
| 559 | tikz_options(pm->color[0],pm->fill),pm->p[0],flip(pm->p[1]),pm->p[2]/2.,pm->p[3]/2.); |
||
| 560 | if(vimg_enable) vimg_ellipse(scale_buf[0],scale_buf[1],0.5*pm->pd[2],0.5*pm->pd[3]); |
||
| 10 | reyssat | 561 | } |
| 562 | |||
| 7675 | bpr | 563 | /* Circle */ |
| 10 | reyssat | 564 | void obj_circle(objparm *pm) |
| 565 | { |
||
| 12473 | bpr | 566 | scale(pm->pd,pm->p,1); |
| 567 | pm->p[2]=rint(pm->pd[2]); pm->p[3]=rint(pm->pd[2]); |
||
| 568 | if(pm->fill) { |
||
| 569 | gdImageArc(image,pm->p[0],pm->p[1],pm->p[2],pm->p[3],0,360, |
||
| 570 | color_bounder); |
||
| 571 | patchgdImageFillToBorder(image,pm->p[0],pm->p[1], |
||
| 572 | color_bounder,pm->color[0]); |
||
| 573 | } |
||
| 574 | gdImageArc(image,pm->p[0],pm->p[1],pm->p[2],pm->p[3],0,360,pm->color[0]); |
||
| 17574 | bpr | 575 | if(tikz_file) fprintf(tikz_file, "\\draw\[%s] (%i, %i) circle (%f);\n", |
| 576 | tikz_options(pm->color[0],pm->fill),pm->p[0],flip(pm->p[1]),pm->p[2]/2.); |
||
| 10 | reyssat | 577 | } |
| 578 | |||
| 7675 | bpr | 579 | /* flood fill */ |
| 10 | reyssat | 580 | void obj_fill(objparm *pm) |
| 581 | { |
||
| 12473 | bpr | 582 | scale(pm->pd,pm->p,1); |
| 583 | patchgdImageFill(image,pm->p[0],pm->p[1],pm->color[0]); |
||
| 10 | reyssat | 584 | } |
| 585 | |||
| 7675 | bpr | 586 | /* flood fill to border*/ |
| 10 | reyssat | 587 | void obj_fillb(objparm *pm) |
| 588 | { |
||
| 12473 | bpr | 589 | scale(pm->pd,pm->p,1); |
| 590 | patchgdImageFillToBorder(image,pm->p[0],pm->p[1],pm->color[0],pm->color[1]); |
||
| 10 | reyssat | 591 | } |
| 592 | |||
| 593 | gdImagePtr himg; |
||
| 594 | |||
| 595 | int makehatchimage(int x, int y, int px, int py, int col) |
||
| 596 | { |
||
| 12473 | bpr | 597 | int c1,c2,r,g,b; |
| 598 | gdImagePtr saveimg; |
||
| 599 | himg=gdImageCreate(x,y); |
||
| 600 | c1=gdImageGetPixel(image,px,py); |
||
| 601 | r=gdImageRed(image,c1); g=gdImageGreen(image,c1); b=gdImageBlue(image,c1); |
||
| 602 | if(r>=255) r--; else r++; if(g>=255) g--; else g++; if(b>=255) b--; else b++; |
||
| 603 | c1=gdImageColorAllocate(himg,r,g,b); |
||
| 604 | r=gdImageRed(image,col); g=gdImageGreen(image,col); b=gdImageBlue(image,col); |
||
| 605 | c2=gdImageColorAllocate(himg,r,g,b); |
||
| 606 | if(width>1) { |
||
| 607 | savew=-1; saveimg=image; |
||
| 608 | image=himg; c2=widthcolor(width,c2); image=saveimg; |
||
| 609 | c2=gdBrushed; savew=-1; |
||
| 610 | } |
||
| 611 | return c2; |
||
| 10 | reyssat | 612 | } |
| 613 | |||
| 7675 | bpr | 614 | /* flood fill with hatching */ |
| 10 | reyssat | 615 | void obj_hatchfill(objparm *pm) |
| 616 | { |
||
| 12473 | bpr | 617 | int nx,ny,ax,ay, dir, c; |
| 618 | scale(pm->pd,pm->p,1); |
||
| 619 | nx=pm->pd[2]; ny=pm->pd[3]; ax=abs(nx); ay=abs(ny); |
||
| 620 | if(nx==0 && ny==0) {fly_error("bad displacement vector"); return;} |
||
| 621 | if((nx>0 && ny>0) || (nx<0 && ny<0)) dir=1; else dir=-1; |
||
| 622 | if(ax==0) {ax=100; dir=2;} |
||
| 623 | if(ay==0) {ay=100; dir=3;} |
||
| 624 | c=makehatchimage(ax,ay,pm->p[0],pm->p[1],pm->color[0]); |
||
| 625 | switch(dir) { |
||
| 626 | case -1: { |
||
| 627 | gdImageLine(himg,0,ay-1,ax-1,0,c); |
||
| 628 | if(width>1) { |
||
| 629 | gdImageLine(himg,-ax,ay-1,-1,0,c); |
||
| 630 | gdImageLine(himg,ax,ay-1,2*ax-1,0,c); |
||
| 631 | gdImageLine(himg,0,-1,ax-1,-ay,c); |
||
| 632 | gdImageLine(himg,0,2*ay-1,ax-1,ay,c); |
||
| 7675 | bpr | 633 | } |
| 12473 | bpr | 634 | break; |
| 635 | } |
||
| 636 | case 1: { |
||
| 637 | gdImageLine(himg,0,0,ax-1,ay-1,c); |
||
| 638 | if(width>1) { |
||
| 639 | gdImageLine(himg,-ax,0,-1,ay-1,c); |
||
| 640 | gdImageLine(himg,ax,0,2*ax-1,ay-1,c); |
||
| 641 | gdImageLine(himg,0,-ay,ax-1,-1,c); |
||
| 642 | gdImageLine(himg,0,ay,ax-1,2*ay-1,c); |
||
| 7675 | bpr | 643 | } |
| 12473 | bpr | 644 | break; |
| 645 | } |
||
| 646 | case 2: gdImageLine(himg,0,ay/2,ax-1,ay/2,c); break; |
||
| 17574 | bpr | 647 | case 3: gdImageLine(himg,ax/2,0,ax/2,ay-1,c); break; |
| 12473 | bpr | 648 | } |
| 649 | gdImageSetTile(image,himg); |
||
| 650 | patchgdImageFill(image,pm->p[0],pm->p[1],gdTiled); |
||
| 651 | gdImageDestroy(himg); |
||
| 652 | if(tiled) gdImageSetTile(image,tileimg); |
||
| 10 | reyssat | 653 | } |
| 654 | |||
| 7675 | bpr | 655 | /* flood fill with grid */ |
| 10 | reyssat | 656 | void obj_gridfill(objparm *pm) |
| 657 | { |
||
| 12473 | bpr | 658 | int nx,ny, c; |
| 659 | scale(pm->pd,pm->p,1); |
||
| 660 | nx=pm->pd[2]; ny=pm->pd[3]; nx=abs(nx); ny=abs(ny); |
||
| 661 | if(nx==0 && ny==0) {fly_error("bad grid size"); return;} |
||
| 662 | c=makehatchimage(nx,ny,pm->p[0],pm->p[1],pm->color[0]); |
||
| 663 | gdImageLine(himg,0,ny/2,nx-1,ny/2,c); gdImageLine(himg,nx/2,0,nx/2,ny-1,c); |
||
| 664 | gdImageSetTile(image,himg); |
||
| 665 | patchgdImageFill(image,pm->p[0],pm->p[1],gdTiled); |
||
| 666 | gdImageDestroy(himg); |
||
| 667 | if(tiled) gdImageSetTile(image,tileimg); |
||
| 10 | reyssat | 668 | } |
| 669 | |||
| 7675 | bpr | 670 | /* flood fill with double hatching */ |
| 10 | reyssat | 671 | void obj_diafill(objparm *pm) |
| 672 | { |
||
| 12473 | bpr | 673 | int nx,ny, c; |
| 674 | scale(pm->pd,pm->p,1); |
||
| 675 | nx=pm->pd[2]; ny=pm->pd[3]; nx=abs(nx); ny=abs(ny); |
||
| 676 | if(nx==0 && ny==0) {fly_error("bad grid size"); return;} |
||
| 677 | c=makehatchimage(nx,ny,pm->p[0],pm->p[1],pm->color[0]); |
||
| 678 | gdImageLine(himg,0,0,nx-1,ny-1,c); gdImageLine(himg,0,ny-1,nx-1,0,c); |
||
| 679 | gdImageSetTile(image,himg); |
||
| 680 | patchgdImageFill(image,pm->p[0],pm->p[1],gdTiled); |
||
| 681 | gdImageDestroy(himg); |
||
| 682 | if(tiled) gdImageSetTile(image,tileimg); |
||
| 10 | reyssat | 683 | } |
| 684 | |||
| 7675 | bpr | 685 | /* flood fill with double hatching */ |
| 10 | reyssat | 686 | void obj_dotfill(objparm *pm) |
| 687 | { |
||
| 12473 | bpr | 688 | int nx,ny, c; |
| 689 | scale(pm->pd,pm->p,1); |
||
| 690 | nx=pm->pd[2]; ny=pm->pd[3]; nx=abs(nx); ny=abs(ny); |
||
| 691 | if(nx==0 && ny==0) {fly_error("bad grid size"); return;} |
||
| 692 | c=makehatchimage(nx,ny,pm->p[0],pm->p[1],pm->color[0]); |
||
| 693 | gdImageSetPixel(himg,nx/2,ny/2,c); |
||
| 694 | gdImageSetTile(image,himg); |
||
| 695 | patchgdImageFill(image,pm->p[0],pm->p[1],gdTiled); |
||
| 696 | gdImageDestroy(himg); |
||
| 697 | if(tiled) gdImageSetTile(image,tileimg); |
||
| 10 | reyssat | 698 | } |
| 699 | |||
| 700 | struct { |
||
| 12473 | bpr | 701 | char *name; |
| 702 | gdFontPtr *fpt; |
||
| 10 | reyssat | 703 | } fonttab[]={ |
| 12473 | bpr | 704 | {"tiny", &gdFontTiny}, |
| 705 | {"small", &gdFontSmall}, |
||
| 706 | {"medium",&gdFontMediumBold}, |
||
| 707 | {"large", &gdFontLarge}, |
||
| 708 | {"giant", &gdFontGiant}, |
||
| 709 | {"huge", &gdFontGiant} |
||
| 10 | reyssat | 710 | }; |
| 711 | |||
| 712 | #define fonttab_no (sizeof(fonttab)/sizeof(fonttab[0])) |
||
| 713 | |||
| 7675 | bpr | 714 | /* string */ |
| 10 | reyssat | 715 | void obj_string(objparm *pm) |
| 716 | { |
||
| 12473 | bpr | 717 | char *pp, *pe, *p2; |
| 718 | int i; |
||
| 719 | pp=pm->str; pe=strchr(pp,','); if(pe==NULL) { |
||
| 720 | fly_error("too_few_parms"); return; |
||
| 721 | } |
||
| 722 | *pe++=0; pp=find_word_start(pp); *find_word_end(pp)=0; |
||
| 723 | pe=find_word_start(pe); strip_trailing_spaces(pe); |
||
| 724 | if(*pp) { |
||
| 725 | for(i=0;i<fonttab_no && strcmp(pp,fonttab[i].name)!=0; i++); |
||
| 726 | if(i>=fonttab_no) i=1; |
||
| 727 | } |
||
| 728 | else i=1; |
||
| 729 | scale(pm->pd,pm->p,1); |
||
| 730 | if(*pe=='"') { |
||
| 731 | p2=strchr(pe+1,'"'); |
||
| 732 | if(p2 && *(p2+1)==0) {*p2=0; pe++;} |
||
| 733 | } |
||
| 17585 | bpr | 734 | if(pm->fill){ |
| 12473 | bpr | 735 | gdImageStringUp(image,*(fonttab[i].fpt),pm->p[0],pm->p[1], (unsigned char*) pe, |
| 736 | pm->color[0]); |
||
| 17585 | bpr | 737 | if(tikz_file) fprintf(tikz_file,"\\draw[%s] (%i,%i) node[font=\\%s,rotate=90] {%s};\n", |
| 738 | tikz_options(pm->color[0],pm->fill),pm->p[0],flip(pm->p[1]),fonttab[i].name,(unsigned char*) pe); |
||
| 739 | } |
||
| 740 | else { |
||
| 12473 | bpr | 741 | gdImageString(image,*(fonttab[i].fpt),pm->p[0],pm->p[1], (unsigned char*) pe, |
| 742 | pm->color[0]); |
||
| 17585 | bpr | 743 | if(tikz_file) fprintf(tikz_file,"\\draw[%s] (%i,%i) node[font=\\%s] {%s};\n", |
| 744 | tikz_options(pm->color[0],pm->fill),pm->p[0],flip(pm->p[1]),fonttab[i].name,(unsigned char*) pe); |
||
| 745 | } |
||
| 10 | reyssat | 746 | } |
| 17585 | bpr | 747 | /*FIXME; giant does not exist in tikz and ... samething as huge */ |
| 7675 | bpr | 748 | /* point */ |
| 10 | reyssat | 749 | void obj_point(objparm *pm) |
| 750 | { |
||
| 12473 | bpr | 751 | scale(pm->pd,pm->p,1); |
| 752 | gdImageSetPixel(image,pm->p[0],pm->p[1],pm->color[0]); |
||
| 17574 | bpr | 753 | if(tikz_file) fprintf(tikz_file,"\\draw[%s] (%i,%i) circle (0pt);\n", |
| 754 | tikz_options(pm->color[0],0),pm->p[0],flip(pm->p[1])); |
||
| 10 | reyssat | 755 | } |
| 756 | |||
| 7675 | bpr | 757 | /* copy an image file */ |
| 10 | reyssat | 758 | void obj_copy(objparm *pm) |
| 759 | { |
||
| 12473 | bpr | 760 | char *pp; |
| 761 | FILE *inf; |
||
| 762 | gdImagePtr insimg; |
||
| 7615 | bpr | 763 | |
| 12473 | bpr | 764 | pp=find_word_start(pm->str);*find_word_end(pp)=0; |
| 765 | inf=open4read(pp); |
||
| 766 | if(inf==NULL) { |
||
| 767 | fly_error("file_not_exist"); return; |
||
| 768 | } |
||
| 769 | insimg=gdImageCreateFromGif(inf); fclose(inf); |
||
| 770 | if(insimg==NULL) { |
||
| 771 | fly_error("bad_gif"); return; |
||
| 772 | } |
||
| 773 | scale(pm->pd,pm->p,1); |
||
| 774 | if(pm->pd[2]<0 && pm->pd[3]<0 && pm->pd[4]<0 && pm->pd[5]<0) |
||
| 775 | gdImageCopy(image,insimg,pm->p[0],pm->p[1],0,0, |
||
| 776 | insimg->sx,insimg->sy); |
||
| 777 | else |
||
| 778 | gdImageCopy(image,insimg,pm->p[0],pm->p[1],pm->pd[2],pm->pd[3], |
||
| 779 | pm->pd[4]-pm->pd[2],pm->pd[5]-pm->pd[3]); |
||
| 780 | gdImageDestroy(insimg); |
||
| 10 | reyssat | 781 | } |
| 782 | |||
| 7675 | bpr | 783 | /* copy an image file, with resizing */ |
| 10 | reyssat | 784 | void obj_copyresize(objparm *pm) |
| 785 | { |
||
| 12473 | bpr | 786 | char *pp; |
| 787 | FILE *inf; |
||
| 788 | gdImagePtr insimg; |
||
| 7615 | bpr | 789 | |
| 12473 | bpr | 790 | pp=find_word_start(pm->str);*find_word_end(pp)=0; |
| 791 | inf=open4read(pp); |
||
| 792 | if(inf==NULL) { |
||
| 793 | fly_error("file_not_found"); return; |
||
| 794 | } |
||
| 795 | insimg=gdImageCreateFromGif(inf); fclose(inf); |
||
| 796 | if(insimg==NULL) { |
||
| 797 | fly_error("bad_gif"); return; |
||
| 798 | } |
||
| 799 | scale(pm->pd+4,pm->p+4,2); |
||
| 800 | if(pm->pd[0]<0 && pm->pd[1]<0 && pm->pd[2]<0 && pm->pd[3]<0) |
||
| 801 | gdImageCopyResized(image,insimg,pm->p[4],pm->p[5],0,0, |
||
| 802 | pm->p[6]-pm->p[4]+1,pm->p[7]-pm->p[5]+1, |
||
| 803 | insimg->sx,insimg->sy); |
||
| 804 | else |
||
| 805 | gdImageCopyResized(image,insimg,pm->p[4],pm->p[5],pm->pd[0],pm->pd[1], |
||
| 806 | pm->p[6]-pm->p[4]+1,pm->p[7]-pm->p[5]+1, |
||
| 807 | pm->pd[2]-pm->pd[0]+1,pm->pd[3]-pm->pd[1]+1); |
||
| 808 | gdImageDestroy(insimg); |
||
| 10 | reyssat | 809 | } |
| 810 | |||
| 7675 | bpr | 811 | /* set brush or tile */ |
| 10 | reyssat | 812 | void obj_setbrush(objparm *pm) |
| 813 | { |
||
| 12473 | bpr | 814 | char *pp; |
| 815 | FILE *inf; |
||
| 816 | gdImagePtr insimg; |
||
| 10 | reyssat | 817 | |
| 12473 | bpr | 818 | pp=find_word_start(pm->str); *find_word_end(pp)=0; |
| 819 | inf=open4read(pp); if(inf==NULL) { |
||
| 820 | fly_error("file_not_found"); return; |
||
| 821 | } |
||
| 822 | insimg=gdImageCreateFromGif(inf); fclose(inf); |
||
| 823 | if(insimg==NULL) { |
||
| 824 | fly_error("bad_gif"); return; |
||
| 825 | } |
||
| 826 | if(pm->fill) { |
||
| 827 | gdImageSetTile(image,insimg); tiled=1; tileimg=insimg; |
||
| 828 | } |
||
| 829 | else { |
||
| 830 | gdImageSetBrush(image,insimg);brushed=1; brushimg=insimg; |
||
| 831 | } |
||
| 10 | reyssat | 832 | } |
| 833 | |||
| 7675 | bpr | 834 | /* kill brush */ |
| 10 | reyssat | 835 | void obj_killbrush(objparm *pm) |
| 836 | { |
||
| 12473 | bpr | 837 | if(brushimg) gdImageDestroy(brushimg); |
| 838 | brushed=0; brushimg=NULL; |
||
| 10 | reyssat | 839 | } |
| 840 | |||
| 7675 | bpr | 841 | /* kill tile */ |
| 10 | reyssat | 842 | void obj_killtile(objparm *pm) |
| 843 | { |
||
| 12473 | bpr | 844 | if(tileimg) gdImageDestroy(tileimg); |
| 845 | tiled=0; tileimg=NULL; |
||
| 10 | reyssat | 846 | } |
| 847 | |||
| 7675 | bpr | 848 | /* set style */ |
| 10 | reyssat | 849 | void obj_setstyle(objparm *pm) |
| 850 | { |
||
| 12473 | bpr | 851 | int i,t; |
| 852 | t=pm->pcnt/3; if(t<=0) { |
||
| 853 | fly_error("too_few_parms"); return; |
||
| 854 | } |
||
| 855 | for(i=0;i<t;i++) { |
||
| 856 | if(pm->pd[3*i]<0 || pm->pd[3*i+1]<0 || pm->pd[3*i+2]<0) |
||
| 857 | pm->p[i]=gdTransparent; |
||
| 858 | else |
||
| 859 | pm->p[i]=getcolor(pm->pd[3*i],pm->pd[3*i+1],pm->pd[3*i+2]); |
||
| 860 | } |
||
| 861 | gdImageSetStyle(image,pm->p,t); styled=1; |
||
| 10 | reyssat | 862 | } |
| 863 | |||
| 7675 | bpr | 864 | /* kill style */ |
| 10 | reyssat | 865 | void obj_killstyle(objparm *pm) |
| 866 | { |
||
| 12473 | bpr | 867 | styled=0; |
| 10 | reyssat | 868 | } |
| 869 | |||
| 7675 | bpr | 870 | /* set transparent */ |
| 10 | reyssat | 871 | void obj_transp(objparm *pm) |
| 872 | { |
||
| 12473 | bpr | 873 | gdImageColorTransparent(image,pm->color[0]); |
| 10 | reyssat | 874 | } |
| 875 | |||
| 7675 | bpr | 876 | /* set interlace */ |
| 10 | reyssat | 877 | void obj_interlace(objparm *pm) |
| 878 | { |
||
| 12473 | bpr | 879 | gdImageInterlace(image,1); |
| 10 | reyssat | 880 | } |
| 881 | |||
| 7675 | bpr | 882 | /* set linewidth */ |
| 10 | reyssat | 883 | void obj_linewidth(objparm *pm) |
| 884 | { |
||
| 12473 | bpr | 885 | if(pm->pd[0]<1 || pm->pd[0]>255) fly_error("bad_parms"); |
| 17574 | bpr | 886 | width=pm->pd[0]; |
| 887 | if(tikz_file) fprintf(tikz_file,"\\pgfsetlinewidth{%f}\n",width*0.7); |
||
| 10 | reyssat | 888 | } |
| 889 | |||
| 8414 | bpr | 890 | /* set crosshairsize */ |
| 891 | void obj_crosshairsize(objparm *pm) |
||
| 892 | { |
||
| 12473 | bpr | 893 | if(pm->pd[0]<1 || pm->pd[0]>255) fly_error("bad_parms"); |
| 894 | else width2=pm->pd[0]; |
||
| 8414 | bpr | 895 | } |
| 896 | |||
| 7675 | bpr | 897 | /* set x range */ |
| 10 | reyssat | 898 | void obj_xrange(objparm *pm) |
| 899 | { |
||
| 12473 | bpr | 900 | double dd; |
| 901 | dd=pm->pd[1]-pm->pd[0]; |
||
| 902 | xstart=pm->pd[0]; xscale=sizex/dd; |
||
| 10 | reyssat | 903 | } |
| 904 | |||
| 7675 | bpr | 905 | /* set y range */ |
| 10 | reyssat | 906 | void obj_yrange(objparm *pm) |
| 907 | { |
||
| 12473 | bpr | 908 | double dd; |
| 909 | dd=pm->pd[1]-pm->pd[0]; |
||
| 910 | ystart=pm->pd[1]; yscale=-sizey/dd; |
||
| 10 | reyssat | 911 | } |
| 912 | |||
| 7675 | bpr | 913 | /* set x et y range */ |
| 10 | reyssat | 914 | void obj_range(objparm *pm) |
| 915 | { |
||
| 12473 | bpr | 916 | double d1,d2; |
| 917 | d1=pm->pd[1]-pm->pd[0]; d2=pm->pd[3]-pm->pd[2]; |
||
| 918 | xstart=pm->pd[0]; xscale=(sizex-1)/d1; |
||
| 919 | ystart=pm->pd[3]; yscale=-(sizey-1)/d2; |
||
| 10 | reyssat | 920 | } |
| 921 | |||
| 7675 | bpr | 922 | /* set t range */ |
| 10 | reyssat | 923 | void obj_trange(objparm *pm) |
| 924 | { |
||
| 12473 | bpr | 925 | /*double dd; |
| 926 | dd=pm->pd[1]-pm->pd[0];*/ |
||
| 927 | tstart=pm->pd[0]; tend=pm->pd[1]; |
||
| 928 | tranged=1; |
||
| 10 | reyssat | 929 | } |
| 930 | |||
| 7675 | bpr | 931 | /* set tstep (plotting step) */ |
| 10 | reyssat | 932 | void obj_tstep(objparm *pm) |
| 933 | { |
||
| 12473 | bpr | 934 | int dd; |
| 935 | dd=pm->pd[0]; |
||
| 936 | if(dd<3) { |
||
| 937 | fly_error("bad_step"); return; |
||
| 938 | } |
||
| 939 | if(dd>2000) dd=2000; |
||
| 940 | tstep=dd; |
||
| 10 | reyssat | 941 | } |
| 942 | |||
| 7675 | bpr | 943 | /* set plotjump (plot jump break threashold) */ |
| 10 | reyssat | 944 | void obj_plotjump(objparm *pm) |
| 945 | { |
||
| 12473 | bpr | 946 | int dd; |
| 947 | dd=pm->pd[0]; |
||
| 948 | if(dd<3) dd=3; |
||
| 949 | if(dd>MAX_SIZE) dd=MAX_SIZE; |
||
| 950 | plotjump=dd; |
||
| 10 | reyssat | 951 | } |
| 952 | |||
| 7675 | bpr | 953 | /* plot a curve, either parametric or explicit */ |
| 6578 | bpr | 954 | void _obj_plot(objparm *pm,int dash) |
| 10 | reyssat | 955 | { |
| 12473 | bpr | 956 | int i,j,n,dist,xx,yy,varpos; |
| 957 | char p1[MAX_LINELEN+1], p2[MAX_LINELEN+1]; |
||
| 958 | char *varn, *pp; |
||
| 959 | double dc[2],t,v; |
||
| 960 | int ic[2],oc[2]; |
||
| 10 | reyssat | 961 | |
| 12473 | bpr | 962 | n=itemnum(pm->str); |
| 963 | if(n<1) { |
||
| 964 | fly_error("bad_parms"); return; |
||
| 965 | } |
||
| 966 | fnd_item(pm->str,1,p1); fnd_item(pm->str,2,p2); |
||
| 967 | if(n==1 && !tranged) v=sizex/xscale/tstep; |
||
| 968 | else v=(tend-tstart)/tstep; |
||
| 969 | if(n==1) varn="x"; else varn="t"; |
||
| 970 | for(pp=varchr(p1,varn); pp; pp=varchr(pp,varn)) { |
||
| 971 | string_modify(p1,pp,pp+strlen(varn),EV_T); |
||
| 972 | pp+=strlen(EV_T); |
||
| 973 | } |
||
| 974 | for(pp=varchr(p2,varn); pp; pp=varchr(pp,varn)) { |
||
| 975 | string_modify(p2,pp,pp+strlen(varn),EV_T); |
||
| 7675 | bpr | 976 | pp+=strlen(EV_T); |
| 12473 | bpr | 977 | } |
| 978 | varpos=eval_getpos(EV_T); |
||
| 979 | if(varpos<0) return; /* unknown error */ |
||
| 980 | evalue_compile(p1); evalue_compile(p2); |
||
| 981 | if(vimg_enable) vimg_plotstart(); |
||
| 982 | for(i=j=0;i<=tstep;i++) { |
||
| 983 | if(n==1) { |
||
| 984 | if(tranged) t=tstart+i*v; else t=xstart+i*v; |
||
| 985 | eval_setval(varpos,t); dc[0]=t; dc[1]=strevalue(p1); |
||
| 10 | reyssat | 986 | } |
| 17584 | bpr | 987 | else { |
| 988 | t=tstart+i*v; eval_setval(varpos,t); |
||
| 989 | dc[0]=strevalue(p1); dc[1]=strevalue(p2); |
||
| 10 | reyssat | 990 | } |
| 17584 | bpr | 991 | if(!isfinite(dc[0]) || !isfinite(dc[1])) ic[0]=ic[1]=-BOUND; |
| 992 | else scale(dc,ic,1); |
||
| 993 | if(vimg_enable) vimg_plot1 (scale_buf[0],scale_buf[1]); |
||
| 994 | if(j==0) { |
||
| 995 | gdImageSetPixel(image,ic[0],ic[1],pm->color[0]); j++; |
||
| 996 | if (tikz_file) |
||
| 997 | fprintf(tikz_file, |
||
| 998 | "\\draw\[%s] (%i,%i) rectangle (%i,%i);\n", |
||
| 999 | tikz_options(pm->color[0],1),ic[0],flip(ic[1]),ic[0]+1,flip(ic[1]+1)); |
||
| 1000 | } |
||
| 1001 | else { |
||
| 1002 | xx=ic[0]-oc[0]; yy=ic[1]-oc[1]; |
||
| 1003 | dist=sqrt(xx*xx+yy*yy); |
||
| 1004 | if(dist>0){ |
||
| 1005 | if(dist>plotjump || dist==1) { |
||
| 1006 | gdImageSetPixel(image,ic[0],ic[1],pm->color[0]); |
||
| 1007 | if (tikz_file) |
||
| 1008 | fprintf(tikz_file, |
||
| 1009 | "\\draw\[%s] (%i,%i) rectangle (%i,%i);\n", |
||
| 1010 | tikz_options(pm->color[0],1),ic[0],flip(ic[1]),ic[0]+1,flip(ic[1]+1)); |
||
| 1011 | } |
||
| 1012 | } |
||
| 1013 | else { |
||
| 1014 | if ( dash==1) |
||
| 1015 | gdImageDashedLine(image,oc[0],oc[1],ic[0],ic[1],pm->color[0]); |
||
| 1016 | else |
||
| 1017 | gdImageLine(image,oc[0],oc[1],ic[0],ic[1],pm->color[0]); |
||
| 1018 | if (tikz_file) |
||
| 1019 | fprintf(tikz_file, |
||
| 1020 | "\\draw\[%s] (%i,%i) -- (%i,%i);\n", |
||
| 1021 | tikz_options(pm->color[0],dash),oc[0],flip(oc[1]),ic[0],flip(ic[1])); |
||
| 1022 | |||
| 1023 | } |
||
| 1024 | } |
||
| 12473 | bpr | 1025 | memmove(oc,ic,sizeof(oc)); |
| 1026 | } |
||
| 1027 | if(vimg_enable) vimg_plotend(); |
||
| 10 | reyssat | 1028 | } |
| 1029 | |||
| 6578 | bpr | 1030 | void obj_plot(objparm *pm) { _obj_plot( pm,0) ;} |
| 1031 | void obj_dplot(objparm *pm) { _obj_plot( pm,1) ; } |
||
| 1032 | |||
| 7675 | bpr | 1033 | /* set levelcurve granularity */ |
| 10 | reyssat | 1034 | void obj_levelstep(objparm *pm) |
| 1035 | { |
||
| 12473 | bpr | 1036 | int dd; |
| 1037 | dd=pm->pd[0]; |
||
| 1038 | if(dd<1) return; |
||
| 1039 | if(dd>16) dd=16; |
||
| 1040 | lstep=dd; |
||
| 10 | reyssat | 1041 | } |
| 1042 | |||
| 7675 | bpr | 1043 | /* level curve */ |
| 10 | reyssat | 1044 | void obj_levelcurve(objparm *pm) |
| 1045 | { |
||
| 12473 | bpr | 1046 | char fn[MAX_LINELEN+1],tc[MAX_LINELEN+1]; |
| 1047 | int n,i; |
||
| 1048 | double d; |
||
| 1049 | leveldata *ld; |
||
| 7615 | bpr | 1050 | |
| 12473 | bpr | 1051 | ld=xmalloc(sizeof(leveldata)+16); |
| 1052 | ld->xname="x"; ld->yname="y"; |
||
| 1053 | ld->xsize=sizex; ld->ysize=sizey; ld->datacnt=0; |
||
| 1054 | ld->xrange[0]=xstart; ld->xrange[1]=sizex/xscale+xstart; |
||
| 1055 | ld->yrange[0]=sizey/yscale+ystart; ld->yrange[1]=ystart; |
||
| 1056 | ld->grain=lstep; |
||
| 1057 | fnd_item(pm->str,1,fn); ld->fn=fn; |
||
| 1058 | n=itemnum(pm->str); |
||
| 1059 | if(n<=1) {ld->levelcnt=1; ld->levels[0]=0;} |
||
| 1060 | else { |
||
| 1061 | if(n>LEVEL_LIM+1) n=LEVEL_LIM+1; |
||
| 1062 | for(i=0;i<n-1;i++) { |
||
| 1063 | fnd_item(pm->str,i+2,tc); |
||
| 1064 | d=strevalue(tc); |
||
| 1065 | if(isfinite(d)) ld->levels[i]=d; else ld->levels[i]=0; |
||
| 10 | reyssat | 1066 | } |
| 12473 | bpr | 1067 | ld->levelcnt=n-1; |
| 1068 | } |
||
| 1069 | levelcurve(ld); |
||
| 1070 | for(i=0;i<ld->datacnt;i++) { |
||
| 1071 | gdImageSetPixel(image,ld->xdata[i],ld->ydata[i],pm->color[0]); |
||
| 17584 | bpr | 1072 | if (tikz_file) |
| 1073 | fprintf(tikz_file, |
||
| 1074 | "\\draw\[%s] (%i,%i) rectangle (%i,%i);\n", |
||
| 1075 | tikz_options(pm->color[0],1),ld->xdata[i],flip(ld->ydata[i]),ld->xdata[i]+1,flip(ld->ydata[i]+1)); |
||
| 12473 | bpr | 1076 | } |
| 1077 | free(ld); |
||
| 10 | reyssat | 1078 | } |
| 1079 | |||
| 7675 | bpr | 1080 | /* set animation step */ |
| 10 | reyssat | 1081 | void obj_animstep(objparm *pm) |
| 1082 | { |
||
| 12473 | bpr | 1083 | animstep=pm->pd[0]; |
| 1084 | setvar("animstep",pm->pd[0]); |
||
| 10 | reyssat | 1085 | } |
| 1086 | |||
| 7675 | bpr | 1087 | /* Starts a line counting */ |
| 10 | reyssat | 1088 | void obj_linecount(objparm *pm) |
| 1089 | { |
||
| 12473 | bpr | 1090 | linecnt=pm->pd[0]; |
| 10 | reyssat | 1091 | } |
| 1092 | |||
| 7675 | bpr | 1093 | /* marks end of execution */ |
| 10 | reyssat | 1094 | void obj_end(objparm *pm) |
| 1095 | { |
||
| 12473 | bpr | 1096 | fly_error("successful_end_of_execution"); |
| 10 | reyssat | 1097 | } |
| 1098 | |||
| 7675 | bpr | 1099 | /* output */ |
| 10 | reyssat | 1100 | void obj_output(objparm *pm) |
| 1101 | { |
||
| 12473 | bpr | 1102 | char *p, namebuf[1024]; |
| 1103 | p=find_word_start(pm->str); *find_word_end(p)=0; |
||
| 1104 | snprintf(namebuf,sizeof(namebuf),"%s",imagefilename); |
||
| 1105 | snprintf(imagefilename,sizeof(imagefilename),"%s",p); |
||
| 1106 | output(); |
||
| 1107 | snprintf(imagefilename,sizeof(imagefilename),"%s",namebuf); |
||
| 10 | reyssat | 1108 | } |
| 1109 | |||
| 7675 | bpr | 1110 | /* vimgfile */ |
| 1024 | bpr | 1111 | void obj_vimgfile(objparm *pm) |
| 1112 | { |
||
| 12473 | bpr | 1113 | char *p; |
| 1114 | p=find_word_start(pm->str); *find_word_end(p)=0; |
||
| 1115 | snprintf(vimgfilename,sizeof(vimgfilename),"%s",p); |
||
| 1116 | if(vimg_ready) vimg_close(); |
||
| 1024 | bpr | 1117 | } |
| 1118 | |||
| 7675 | bpr | 1119 | /* vimg enable/disable */ |
| 1024 | bpr | 1120 | void obj_vimg(objparm *pm) |
| 1121 | { |
||
| 12473 | bpr | 1122 | vimg_enable=pm->pd[0]; |
| 1123 | if(vimg_enable>0 && vimg_ready==0) vimg_init(); |
||
| 1024 | bpr | 1124 | } |
| 1125 | |||
| 7675 | bpr | 1126 | /* Set affine transformation */ |
| 10 | reyssat | 1127 | void obj_affine(objparm *pm) |
| 1128 | { |
||
| 12473 | bpr | 1129 | int i; |
| 1130 | for(i=0;i<4;i++) matrix[i]=pm->pd[i]; |
||
| 1131 | transx=pm->pd[4]; transy=pm->pd[5]; |
||
| 1132 | transform=1; |
||
| 10 | reyssat | 1133 | } |
| 1134 | |||
| 7675 | bpr | 1135 | /* Set affine transformation */ |
| 10 | reyssat | 1136 | void obj_rotation(objparm *pm) |
| 1137 | { |
||
| 12473 | bpr | 1138 | double r; |
| 1139 | r=M_PI*pm->pd[0]/180; |
||
| 1140 | matrix[0]=matrix[3]=cos(r); |
||
| 1141 | matrix[1]=-sin(r); matrix[2]=sin(r); |
||
| 1142 | transform=1; |
||
| 10 | reyssat | 1143 | } |
| 1144 | |||
| 8419 | bpr | 1145 | /* Set linear transformation */ |
| 10 | reyssat | 1146 | void obj_linear(objparm *pm) |
| 1147 | { |
||
| 12473 | bpr | 1148 | int i; |
| 1149 | for(i=0;i<4;i++) matrix[i]=pm->pd[i]; |
||
| 1150 | transform=1; |
||
| 10 | reyssat | 1151 | } |
| 1152 | |||
| 8419 | bpr | 1153 | /* Set translation transformation */ |
| 10 | reyssat | 1154 | void obj_translation(objparm *pm) |
| 1155 | { |
||
| 12473 | bpr | 1156 | transx=pm->pd[0]; transy=pm->pd[1]; |
| 10 | reyssat | 1157 | } |
| 1158 | |||
| 8419 | bpr | 1159 | /* kill affine transformation */ |
| 10 | reyssat | 1160 | void obj_killaffine(objparm *pm) |
| 1161 | { |
||
| 12473 | bpr | 1162 | matrix[0]=matrix[3]=1; |
| 1163 | matrix[1]=matrix[2]=transx=transy=0; |
||
| 1164 | transform=0; |
||
| 10 | reyssat | 1165 | } |
| 1166 | |||
| 8419 | bpr | 1167 | /* kill affine transformation */ |
| 10 | reyssat | 1168 | void obj_killlinear(objparm *pm) |
| 1169 | { |
||
| 12473 | bpr | 1170 | matrix[0]=matrix[3]=1; |
| 1171 | matrix[1]=matrix[2]=0; |
||
| 1172 | transform=0; |
||
| 10 | reyssat | 1173 | } |
| 1174 | |||
| 8419 | bpr | 1175 | /* kill affine transformation */ |
| 10 | reyssat | 1176 | void obj_killtranslation(objparm *pm) |
| 1177 | { |
||
| 12473 | bpr | 1178 | transx=transy=0; |
| 10 | reyssat | 1179 | } |
| 1180 | |||
| 1181 | /***** Les modifs de Jean-Christophe Leger Fev 2006 *****/ |
||
| 1182 | |||
| 7615 | bpr | 1183 | /* arguments: un numero de matrice entre 1 et JC_NB_MATRICES, une liste de 4 nombres reels pour la matrice */ |
| 10 | reyssat | 1184 | void obj_setmatrix(objparm *pm) |
| 1185 | { |
||
| 1186 | int nummatrix = (int) (pm->pd[0]); |
||
| 1187 | if((nummatrix < 1) ||(nummatrix>JC_NB_MATRICES)) { |
||
| 8195 | bpr | 1188 | fly_error("bad_matrix_number"); |
| 10 | reyssat | 1189 | return; |
| 1190 | } |
||
| 1191 | matrices_pavage[nummatrix][0] = pm->pd[1]; |
||
| 1192 | matrices_pavage[nummatrix][1] = pm->pd[2]; |
||
| 1193 | matrices_pavage[nummatrix][2] = pm->pd[3]; |
||
| 1194 | matrices_pavage[nummatrix][3] = pm->pd[4]; |
||
| 1195 | } |
||
| 1196 | |||
| 7615 | bpr | 1197 | /* arguments: un numero de matrice entre 1 et JC_NB_MATRICES */ |
| 10 | reyssat | 1198 | void obj_resetmatrix(objparm *pm) |
| 1199 | { |
||
| 1200 | int nummatrix = (int) (pm->pd[0]); |
||
| 1201 | if((nummatrix < 1) ||(nummatrix>JC_NB_MATRICES)) { |
||
| 8195 | bpr | 1202 | fly_error("bad_matrix_number"); |
| 10 | reyssat | 1203 | return; |
| 1204 | } |
||
| 1205 | matrices_pavage[nummatrix][0] = 1; |
||
| 1206 | matrices_pavage[nummatrix][1] = 0; |
||
| 1207 | matrices_pavage[nummatrix][2] = 0; |
||
| 1208 | matrices_pavage[nummatrix][3] = 1; |
||
| 1209 | |||
| 1210 | } |
||
| 7615 | bpr | 1211 | /* arguments: un numero de vecteur entre 1 et JC_NB_MATRICES, une liste de 2 nombres reels pour le vecteur */ |
| 10 | reyssat | 1212 | void obj_setvector(objparm *pm) |
| 1213 | { |
||
| 1214 | int nummatrix = (int) (pm->pd[0]); |
||
| 1215 | if((nummatrix < 1) ||(nummatrix>JC_NB_MATRICES)) { |
||
| 8195 | bpr | 1216 | fly_error("bad_vector_number"); |
| 10 | reyssat | 1217 | return; |
| 1218 | } |
||
| 1219 | vecteurs_pavage[nummatrix][0] = pm->pd[1]; |
||
| 1220 | vecteurs_pavage[nummatrix][1] = pm->pd[2]; |
||
| 1221 | } |
||
| 1222 | |||
| 7615 | bpr | 1223 | /* arguments: un numero de matrice entre 1 et JC_NB_MATRICES */ |
| 10 | reyssat | 1224 | void obj_resetvector(objparm *pm) |
| 1225 | { |
||
| 1226 | int nummatrix = (int) (pm->pd[0]); |
||
| 1227 | if((nummatrix < 1) ||(nummatrix>JC_NB_MATRICES)) { |
||
| 8195 | bpr | 1228 | fly_error("bad_vector_number"); |
| 10 | reyssat | 1229 | return; |
| 1230 | } |
||
| 1231 | vecteurs_pavage[nummatrix][0] = 0; |
||
| 1232 | vecteurs_pavage[nummatrix][1] = 0; |
||
| 1233 | } |
||
| 1234 | |||
| 7615 | bpr | 1235 | /* arguments: un numero de vecteur entre 1 et JC_NB_MATRICES, une liste de 6 nombres reels pour la matrice et le vecteur */ |
| 10 | reyssat | 1236 | void obj_settransform(objparm *pm) |
| 1237 | { |
||
| 1238 | int nummatrix = (int) (pm->pd[0]); |
||
| 1239 | if((nummatrix < 1) ||(nummatrix>JC_NB_MATRICES)) { |
||
| 8195 | bpr | 1240 | fly_error("bad_vector_number"); |
| 10 | reyssat | 1241 | return; |
| 1242 | } |
||
| 1243 | matrices_pavage[nummatrix][0] = pm->pd[1]; |
||
| 1244 | matrices_pavage[nummatrix][1] = pm->pd[2]; |
||
| 1245 | matrices_pavage[nummatrix][2] = pm->pd[3]; |
||
| 1246 | matrices_pavage[nummatrix][3] = pm->pd[4]; |
||
| 1247 | vecteurs_pavage[nummatrix][0] = pm->pd[5]; |
||
| 1248 | vecteurs_pavage[nummatrix][1] = pm->pd[6]; |
||
| 1249 | } |
||
| 1250 | |||
| 1251 | |||
| 7615 | bpr | 1252 | /* arguments: un numero de matrice entre 1 et JC_NB_MATRICES */ |
| 10 | reyssat | 1253 | void obj_resettransform(objparm *pm) |
| 1254 | { |
||
| 1255 | int nummatrix = (int) (pm->pd[0]); |
||
| 1256 | if((nummatrix < 1) ||(nummatrix>JC_NB_MATRICES)) { |
||
| 8195 | bpr | 1257 | fly_error("bad_vector_number"); |
| 10 | reyssat | 1258 | return; |
| 1259 | } |
||
| 1260 | vecteurs_pavage[nummatrix][0] = 0; |
||
| 1261 | vecteurs_pavage[nummatrix][1] = 0; |
||
| 1262 | matrices_pavage[nummatrix][0] = 1; |
||
| 1263 | matrices_pavage[nummatrix][1] = 0; |
||
| 1264 | matrices_pavage[nummatrix][2] = 0; |
||
| 1265 | matrices_pavage[nummatrix][3] = 1; |
||
| 1266 | } |
||
| 1267 | |||
| 7615 | bpr | 1268 | /* arguments: une liste de 6 nombres reels pour les coordonnees de l'origine et des vecteurs de base */ |
| 10 | reyssat | 1269 | void obj_setparallelogram(objparm *pm) |
| 1270 | { |
||
| 1271 | int i; |
||
| 1272 | for(i=0;i<6;i++) parallogram_fonda[i]=pm->pd[i]; |
||
| 1273 | } |
||
| 1274 | |||
| 1275 | /* arguments :aucun */ |
||
| 1276 | void obj_resetparallelogram(objparm *pm) |
||
| 1277 | { |
||
| 1278 | parallogram_fonda[0]=0; |
||
| 1279 | parallogram_fonda[1]=0; |
||
| 1280 | parallogram_fonda[2]=100; |
||
| 1281 | parallogram_fonda[3]=0; |
||
| 1282 | parallogram_fonda[4]=0; |
||
| 1283 | parallogram_fonda[5]=100; |
||
| 1284 | } |
||
| 1285 | |||
| 1286 | /* argument : la liste des numeros des matrices a faire agir, le nom du fichier de l'image a inclure */ |
||
| 1287 | void obj_multicopy(objparm *pm) |
||
| 1288 | { |
||
| 12473 | bpr | 1289 | char *pp,*pe,*cptr; |
| 1290 | FILE *inf; |
||
| 1291 | gdImagePtr insimg; |
||
| 1292 | int i,j; |
||
| 1293 | int imax,jmax; |
||
| 1294 | int c; /* la couleur reperee */ |
||
| 1295 | int mat; |
||
| 1296 | int nummatrices[JC_NB_MATRICES]; |
||
| 1297 | double pt[2]; /* les coordonnees math. du point repere dans le parallelogramme */ |
||
| 1298 | double ptr[2]; /* les coordonnees math. du point transforme */ |
||
| 1299 | int pti[2]; /* les coordonnees img du point a placer sur le canevas */ |
||
| 1300 | int t; |
||
| 1301 | /* gestion palette de couleur de l'image a inserer */ |
||
| 1302 | int colorMap[gdMaxColors]; |
||
| 1303 | int comptmat=0; /* combien de matrices en tout ? */ |
||
| 7615 | bpr | 1304 | |
| 12473 | bpr | 1305 | for (i=0; (i<gdMaxColors); i++) { |
| 1306 | colorMap[i] = (-1); |
||
| 1307 | } |
||
| 10 | reyssat | 1308 | |
| 12473 | bpr | 1309 | /* Gestion des parametres la liste est censee finir avec le nom du fichier */ |
| 1310 | t=pm->pcnt-1; /* il faut enlever le nom de fichier ! c'est le nombre de parametres en plus */ |
||
| 1311 | pp=find_word_start(pm->str); |
||
| 1312 | /* visiblement find_word_start n'arrive pas a trouver le dernier mot dans un contexte ou le nombre de parameters est variable |
||
| 10 | reyssat | 1313 | * on cherche donc l'emplacement de la derniere virgule: |
| 1314 | * il y en a une car t>0, on retrouve ensuite le debut de mot |
||
| 1315 | */ |
||
| 12473 | bpr | 1316 | for(pe=pp;*pe!=0;pe++);/* trouve la fin de la chaine */ |
| 1317 | if(t>0){ |
||
| 1318 | for(cptr = pe; cptr > pp && *cptr != ','; cptr--); |
||
| 1319 | pp=find_word_start(cptr+1); |
||
| 1320 | } |
||
| 1321 | pe=find_word_end(pp);*pe=0; /* strip junk final */ |
||
| 1322 | // printf("pp contient %s\n",pp); |
||
| 10 | reyssat | 1323 | |
| 1324 | |||
| 12473 | bpr | 1325 | inf=open4read(pp); |
| 1326 | if(inf==NULL) { |
||
| 1327 | fly_error("file_not_exist"); return; |
||
| 1328 | } |
||
| 1329 | insimg=gdImageCreateFromGif(inf); fclose(inf); |
||
| 1330 | if(insimg==NULL) { |
||
| 1331 | fly_error("bad_gif"); return; |
||
| 1332 | } |
||
| 10 | reyssat | 1333 | |
| 12473 | bpr | 1334 | /* On recupere les numeros des matrices/vecteurs a faire agir, |
| 1335 | * s'il n'y en a pas, on les fait toutes agir |
||
| 1336 | */ |
||
| 1337 | for(i=0;i<t && i< JC_NB_MATRICES;i++) { |
||
| 1338 | if(pm->pd[i]>=1 && pm->pd[i]<=JC_NB_MATRICES){ |
||
| 1339 | nummatrices[comptmat] = pm->pd[i]; |
||
| 1340 | comptmat++; |
||
| 10 | reyssat | 1341 | } |
| 12473 | bpr | 1342 | } |
| 1343 | if(t<=0){ |
||
| 1344 | for(i=0;i<JC_NB_MATRICES;i++) { |
||
| 1345 | nummatrices[i] = i+1; |
||
| 10 | reyssat | 1346 | } |
| 12473 | bpr | 1347 | comptmat=JC_NB_MATRICES; |
| 1348 | } |
||
| 10 | reyssat | 1349 | |
| 7615 | bpr | 1350 | |
| 12473 | bpr | 1351 | imax = gdImageSX(insimg); |
| 1352 | jmax = gdImageSY(insimg); |
||
| 10 | reyssat | 1353 | |
| 12473 | bpr | 1354 | for(i=0;i<imax;i++){ |
| 1355 | for(j=0;j<jmax;j++){ |
||
| 1356 | int nc; |
||
| 1357 | c=gdImageGetPixel(insimg,i,j); |
||
| 1358 | /* Le code suivant est une copie du code dans gdImageCopy Added 7/24/95: support transparent copies */ |
||
| 1359 | if (gdImageGetTransparent(insimg) != c) { |
||
| 1360 | /* Have we established a mapping for this color? */ |
||
| 1361 | if (colorMap[c] == (-1)) { |
||
| 1362 | /* If it's the same image, mapping is trivial, dans notre cas ca n'arrive jamais... */ |
||
| 1363 | if (image == insimg) { |
||
| 1364 | nc = c; |
||
| 1365 | } else { |
||
| 1366 | /* First look for an exact match */ |
||
| 1367 | nc = gdImageColorExact(image, |
||
| 1368 | insimg->red[c], insimg->green[c], |
||
| 1369 | insimg->blue[c]); |
||
| 1370 | } |
||
| 1371 | if (nc == (-1)) { |
||
| 1372 | /* No, so try to allocate it */ |
||
| 1373 | nc = gdImageColorAllocate(image, |
||
| 1374 | insimg->red[c], insimg->green[c], |
||
| 7675 | bpr | 1375 | insimg->blue[c]); |
| 12473 | bpr | 1376 | /* If we're out of colors, go for the closest color */ |
| 1377 | if (nc == (-1)) { |
||
| 1378 | nc = gdImageColorClosest(image, |
||
| 7675 | bpr | 1379 | insimg->red[c], insimg->green[c], |
| 1380 | insimg->blue[c]); |
||
| 12473 | bpr | 1381 | } |
| 1382 | } |
||
| 1383 | colorMap[c] = nc; |
||
| 1384 | } |
||
| 10 | reyssat | 1385 | |
| 12473 | bpr | 1386 | pt[0]= i*(parallogram_fonda[2])/(imax-1)+(jmax-j)*(parallogram_fonda[4])/(jmax-1)+parallogram_fonda[0]; |
| 1387 | pt[1]= i*(parallogram_fonda[3])/(imax-1)+(jmax-j)*(parallogram_fonda[5])/(jmax-1)+parallogram_fonda[1]; |
||
| 1388 | for(mat=0;mat<comptmat;mat++){ |
||
| 7675 | bpr | 1389 | double *matricecourante = matrices_pavage[nummatrices[mat]]; |
| 1390 | double *vecteurcourant = vecteurs_pavage[nummatrices[mat]]; |
||
| 1391 | ptr[0] = matricecourante[0]*pt[0]+matricecourante[1]*pt[1]+vecteurcourant[0]; |
||
| 1392 | ptr[1] = matricecourante[2]*pt[0]+matricecourante[3]*pt[1]+vecteurcourant[1]; |
||
| 1393 | scale(ptr,pti,1); |
||
| 1394 | gdImageSetPixel(image,pti[0],pti[1],colorMap[c]); |
||
| 12473 | bpr | 1395 | } |
| 10 | reyssat | 1396 | } |
| 1397 | } |
||
| 12473 | bpr | 1398 | } |
| 1399 | gdImageDestroy(insimg); |
||
| 10 | reyssat | 1400 | } |
| 1401 | |||
| 1402 | /**** Fin modifs JC Fev 06 ******/ |
||
| 1403 | |||
| 7675 | bpr | 1404 | /* get color from value */ |
| 10 | reyssat | 1405 | int calc_color(char *p, struct objtab *o) |
| 1406 | { |
||
| 12473 | bpr | 1407 | int k, cc[3]; |
| 1408 | char buf[MAX_LINELEN+1]; |
||
| 1409 | for(k=0;k<3;k++) { |
||
| 1410 | fnd_item(p,k+1,buf); |
||
| 1411 | cc[k]=strevalue(buf); |
||
| 1412 | } |
||
| 1413 | collapse_item(p,3); |
||
| 1414 | if(cc[0]==-1 && cc[1]==-1 && cc[2]==-255) { |
||
| 10 | reyssat | 1415 | |
| 12473 | bpr | 1416 | if(brushed && o->subst&1) return gdBrushed; |
| 1417 | else return color_black; |
||
| 1418 | } |
||
| 1419 | if(cc[0]==-1 && cc[1]==-255 && cc[2]==-1) { |
||
| 1420 | if(styled && o->subst&2) return gdStyled; |
||
| 1421 | else return color_black; |
||
| 1422 | } |
||
| 1423 | if(cc[0]==-255 && cc[1]==-1 && cc[2]==-1) { |
||
| 1424 | if(tiled && o->fill_tag==1) return gdTiled; |
||
| 1425 | else return color_black; |
||
| 1426 | } |
||
| 1427 | return getcolor(cc[0],cc[1],cc[2]); |
||
| 10 | reyssat | 1428 | } |
| 1429 | |||
| 7675 | bpr | 1430 | /* Routine to parse parameters */ |
| 10 | reyssat | 1431 | int parse_parms(char *p,objparm *pm,struct objtab *o) |
| 1432 | { |
||
| 12473 | bpr | 1433 | char buf[MAX_LINELEN+1]; |
| 1434 | char *p1, *p2; |
||
| 1435 | int j,t,c,c1,c2; |
||
| 7615 | bpr | 1436 | |
| 12473 | bpr | 1437 | c=o->color_pos;c1=c2=0; |
| 1438 | pm->color[0]=pm->color[1]=0; |
||
| 1439 | if(c>0) c1=c; |
||
| 1440 | if(c<0) c2=-c; |
||
| 1441 | c=c1+c2; |
||
| 1442 | t=itemnum(p);if(t<o->required_parms+3*c) return -1; |
||
| 1443 | if(c1>0 && t>o->required_parms+3*c) t=o->required_parms+3*c; |
||
| 1444 | pm->pcnt=t-3*c; |
||
| 1445 | if(pm->pcnt>MAX_PARMS) pm->pcnt=MAX_PARMS; |
||
| 1446 | if(c2>0) { |
||
| 1447 | for(j=0;j<2 && j<c2; j++) pm->color[j]=calc_color(p,o); |
||
| 1448 | } |
||
| 1449 | snprintf(buf,sizeof(buf),"%s",p); |
||
| 1450 | for(j=0, p1=buf; j<pm->pcnt; j++, p1=p2) { |
||
| 1451 | p2=find_item_end(p1); if(*p2) *p2++=0; |
||
| 1452 | p1=find_word_start(p1); |
||
| 1453 | if(*p1) pm->pd[j]=strevalue(p1); else pm->pd[j]=0; |
||
| 1454 | if(!isfinite(pm->pd[j])) { |
||
| 1455 | if(j<o->required_parms) return -1; |
||
| 1456 | else {pm->pd[j]=0;break;} |
||
| 10 | reyssat | 1457 | } |
| 12473 | bpr | 1458 | } |
| 1459 | collapse_item(p,o->required_parms); |
||
| 1460 | if(c1>0) { |
||
| 1461 | for(j=0;j<c1 && j<2; j++) pm->color[j]=calc_color(p,o); |
||
| 1462 | } |
||
| 1463 | if(width>1 && o->subst&1 && pm->color[0]!=gdBrushed |
||
| 1464 | && pm->color[0]!=gdStyled && pm->color[0]!=gdTiled) { |
||
| 1465 | pm->color[1]=pm->color[0]; |
||
| 1466 | pm->color[0]=widthcolor(width,pm->color[0]); |
||
| 1467 | } |
||
| 1468 | pm->fill=o->fill_tag; |
||
| 1469 | ovlstrcpy(pm->str,p); return 0; |
||
| 10 | reyssat | 1470 | } |
| 1471 | |||
| 8068 | bpr | 1472 | /* Create the struct objparm pm corresponding to the objparm p |
| 1473 | * Execute a command. Returns 0 if OK. |
||
| 1474 | */ |
||
| 10 | reyssat | 1475 | int obj_main(char *p) |
| 1476 | { |
||
| 12473 | bpr | 1477 | int i; |
| 1478 | char *pp,*name,*pt; |
||
| 1479 | char tbuf2[MAX_LINELEN+1]; |
||
| 1480 | struct objparm pm; |
||
| 10 | reyssat | 1481 | |
| 12473 | bpr | 1482 | p=find_word_start(p); |
| 1483 | if(*p==exec_prefix_char || *p==0) return 0; /* comment */ |
||
| 1484 | name=p; |
||
| 1485 | pp=find_name_end(p); |
||
| 1486 | pt=find_word_start(pp); if(*pt=='=') *pt=' '; |
||
| 1487 | if(*pt==':' && *(pt+1)=='=') *pt=*(pt+1)=' '; |
||
| 1488 | pp=find_word_end(p); |
||
| 1489 | if(*pp!=0) { |
||
| 1490 | *(pp++)=0; pp=find_word_start(pp); |
||
| 1491 | } |
||
| 1492 | if(strlen(p)==1 || (strlen(p)==2 && isdigit(*(p+1)))) { |
||
| 1493 | setvar(p,strevalue(pp)); return 0; |
||
| 1494 | } |
||
| 1495 | /* search the number of the object */ |
||
| 1496 | i=search_list(objtab,obj_no,sizeof(objtab[0]),name); |
||
| 1497 | if(i<0) { |
||
| 1498 | fly_error("bad_cmd"); return 1; |
||
| 1499 | } |
||
| 1500 | if(image==NULL && (objtab[i].color_pos || objtab[i].required_parms>2)) { |
||
| 1501 | fly_error("image_not_defined"); return 1; |
||
| 1502 | } |
||
| 1503 | ovlstrcpy(tbuf2,pp); |
||
| 1504 | if(objtab[i].color_pos || objtab[i].routine==obj_setstyle) { |
||
| 1505 | substit(tbuf2); |
||
| 1506 | } |
||
| 1507 | if(parse_parms(tbuf2,&pm,objtab+i)!=0) fly_error("bad_parms"); |
||
| 1508 | else objtab[i].routine(&pm); |
||
| 1509 | return 0; |
||
| 10 | reyssat | 1510 | } |