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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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| 8102 | bpr | 17 | #include "flydraw.h" |
| 10 | reyssat | 18 | #include <errno.h> |
| 8010 | bpr | 19 | /* bug in gdImageFillToBorder */ |
| 20 | void gdImageFillToBorder1 (gdImagePtr im, int x, int y, int border, int color) |
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| 21 | { |
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| 8076 | bpr | 22 | if(x>=image->sx) x=image->sx-1; if(x<0) x=0; |
| 23 | if(y>=image->sy) y=image->sy-1; if(y<0) y=0; |
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| 24 | gdImageFillToBorder(im,x,y,border,color); |
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| 8010 | bpr | 25 | } |
| 10 | reyssat | 26 | |
| 8076 | bpr | 27 | void gdImageFillToBorder2 (gdImagePtr im, int x, int y, int border, int color) |
| 28 | { |
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| 29 | if(x>=image->sx || x<0 || y>=image->sy || y<0) return; |
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| 30 | gdImageFillToBorder(im,x,y,border,color); |
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| 31 | } |
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| 32 | |||
| 33 | |||
| 7675 | bpr | 34 | /* File opening: with security */ |
| 10 | reyssat | 35 | FILE *open4read(char *n) |
| 36 | { |
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| 37 | char *p, *p1, *p2, namebuf[2048]; |
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| 38 | int t; |
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| 39 | FILE *f; |
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| 40 | n=find_word_start(n); |
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| 41 | if(*n==0) return NULL; |
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| 42 | p=getenv("flydraw_filebase"); |
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| 43 | p1=n+strlen(n)-4;if(p1<n || strcasecmp(p1,".gif")!=0) t=1; else t=0; |
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| 44 | if(p!=NULL && *p!=0) { |
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| 7675 | bpr | 45 | char pbuf[MAX_LINELEN+1]; |
| 46 | snprintf(pbuf,sizeof(pbuf),"%s",p); |
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| 47 | p=find_word_start(pbuf); if(strstr(p,"..")!=NULL) return NULL; |
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| 48 | if(*n=='/' || strstr(n,"..")!=NULL) return NULL; |
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| 49 | /* prohibit unusual file/dir names */ |
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| 50 | for(p1=p;*p1;p1++) |
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| 51 | if(!isalnum(*p1) && !isspace(*p1) && strchr("~_-/.",*p1)==NULL) |
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| 52 | return NULL; |
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| 53 | for(p1=n;*p1;p1++) |
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| 54 | if(!isalnum(*p1) && !isspace(*p1) && strchr("~_-/.",*p1)==NULL) |
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| 55 | return NULL; |
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| 56 | f=NULL; |
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| 57 | for(p1=p; *p1; p1=find_word_start(p2)) { |
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| 58 | p2=find_word_end(p1); |
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| 59 | if(*p2) *p2++=0; |
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| 60 | snprintf(namebuf,sizeof(namebuf),"%s/%s",p1,n); |
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| 61 | f=fopen(namebuf,"r"); if(f!=NULL) goto imgtype; |
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| 62 | } |
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| 63 | p1=getenv("w_wims_session"); |
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| 64 | if(p1!=NULL && strncmp(n,"insert",6)==0) { |
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| 65 | snprintf(namebuf,sizeof(namebuf),"../s2/%s/%s",p1,n); |
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| 66 | f=fopen(namebuf,"r"); |
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| 67 | } |
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| 10 | reyssat | 68 | } |
| 69 | else { |
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| 7675 | bpr | 70 | snprintf(namebuf,sizeof(namebuf),"%s",n); |
| 71 | f=fopen(namebuf,"r"); |
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| 10 | reyssat | 72 | } |
| 73 | imgtype: |
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| 74 | if(t && f!=NULL) { |
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| 7675 | bpr | 75 | char tbuf[1024],sbuf[4096]; |
| 76 | fclose(f); f=NULL; |
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| 77 | p1=getenv("TMPDIR"); if(p1==NULL || *p1==0) p1="."; |
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| 78 | snprintf(tbuf,sizeof(tbuf),"%s/drawfile_.gif",p1); |
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| 79 | snprintf(sbuf,sizeof(sbuf),"convert %s %s",namebuf,tbuf); |
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| 80 | if (system(sbuf)) error("system_failed"); |
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| 7615 | bpr | 81 | f=fopen(tbuf,"r"); |
| 10 | reyssat | 82 | } |
| 83 | return f; |
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| 84 | } |
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| 85 | |||
| 7675 | bpr | 86 | /* Does nothing; just a comment. */ |
| 10 | reyssat | 87 | void obj_comment(objparm *pm) |
| 88 | { |
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| 89 | return; |
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| 90 | } |
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| 91 | |||
| 7675 | bpr | 92 | /* define image size */ |
| 10 | reyssat | 93 | void obj_size(objparm *pm) |
| 94 | { |
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| 95 | sizex=rint(pm->pd[0]); sizey=rint(pm->pd[1]); |
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| 96 | if(sizex<0 || sizey<0 || sizex>MAX_SIZE || sizey>MAX_SIZE) { |
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| 7675 | bpr | 97 | error("bad_size"); return; |
| 10 | reyssat | 98 | } |
| 99 | if(image!=NULL) { |
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| 7675 | bpr | 100 | error("size_already_defined"); return; |
| 10 | reyssat | 101 | } |
| 102 | image=gdImageCreate(sizex,sizey); |
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| 103 | if(image==NULL) error("image_creation_failure"); |
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| 104 | else { |
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| 7675 | bpr | 105 | color_white=gdImageColorAllocate(image,255,255,255); |
| 106 | color_black=gdImageColorAllocate(image,0,0,0); |
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| 107 | color_bounder=gdImageColorAllocate(image,1,2,3); |
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| 10 | reyssat | 108 | } |
| 109 | } |
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| 110 | |||
| 7675 | bpr | 111 | /* new image */ |
| 10 | reyssat | 112 | void obj_new(objparm *pm) |
| 113 | { |
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| 114 | if(image) { |
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| 7675 | bpr | 115 | gdImageDestroy(image);image=NULL; |
| 10 | reyssat | 116 | } |
| 117 | if(pm->pcnt>=2) obj_size(pm); |
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| 118 | else sizex=sizey=0; |
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| 119 | saved=0; |
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| 120 | } |
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| 121 | |||
| 7675 | bpr | 122 | /* new image */ |
| 10 | reyssat | 123 | void obj_existing(objparm *pm) |
| 124 | { |
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| 125 | FILE *inf; |
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| 126 | char *pp; |
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| 7615 | bpr | 127 | |
| 10 | reyssat | 128 | if(image) { |
| 7675 | bpr | 129 | gdImageDestroy(image);image=NULL; |
| 10 | reyssat | 130 | } |
| 131 | pp=find_word_start(pm->str);*find_word_end(pp)=0; |
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| 132 | inf=open4read(pp); |
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| 133 | if(inf==NULL) { |
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| 7675 | bpr | 134 | error("file_not_exist"); return; |
| 10 | reyssat | 135 | } |
| 136 | image=gdImageCreateFromGif(inf); fclose(inf); |
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| 137 | if(image==NULL) { |
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| 7675 | bpr | 138 | error("bad_gif"); return; |
| 10 | reyssat | 139 | } |
| 140 | sizex=image->sx; sizey=image->sy; |
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| 141 | saved=0; |
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| 142 | } |
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| 143 | |||
| 7675 | bpr | 144 | /* solid line */ |
| 10 | reyssat | 145 | void obj_line(objparm *pm) |
| 146 | { |
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| 147 | scale(pm->pd,pm->p,2); |
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| 148 | gdImageLine(image,pm->p[0],pm->p[1],pm->p[2],pm->p[3],pm->color[0]); |
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| 1024 | bpr | 149 | if(vimg_enable) vimg_line(scale_buf[0],scale_buf[1],scale_buf[2],scale_buf[3]); |
| 10 | reyssat | 150 | } |
| 151 | |||
| 1024 | bpr | 152 | void _obj_arrow(objparm *pm, int twoside) |
| 10 | reyssat | 153 | { |
| 154 | int l,ii[6],xx,yy; |
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| 155 | double dx,dy,length,dd[6]; |
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| 7615 | bpr | 156 | scale(pm->pd,pm->p,2); |
| 10 | reyssat | 157 | xx=ii[0]=pm->p[2];yy=ii[1]=pm->p[3]; |
| 158 | l=pm->pd[4];if(l<0) l=0; if(l>200) l=200; |
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| 159 | scale2(pm->pd[0]-pm->pd[2],pm->pd[1]-pm->pd[3],&dx,&dy); |
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| 160 | length=sqrt(dx*dx+dy*dy); |
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| 161 | if(length<3 || l<5) goto stem; |
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| 162 | dd[0]=l*dx/length; dd[1]=l*dy/length; |
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| 163 | #define fat 0.27 |
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| 164 | dd[2]=dd[0]+dd[1]*fat; dd[3]=dd[1]-dd[0]*fat; |
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| 165 | dd[4]=dd[0]-dd[1]*fat; dd[5]=dd[1]+dd[0]*fat; |
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| 166 | ii[2]=rint(dd[2])+ii[0]; ii[3]=rint(dd[3])+ii[1]; |
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| 167 | ii[4]=rint(dd[4])+ii[0]; ii[5]=rint(dd[5])+ii[1]; |
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| 168 | gdImageFilledPolygon(image,(gdPointPtr) ii,3,pm->color[0]); |
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| 169 | xx=rint(dd[0])+ii[0];yy=rint(dd[1])+ii[1]; |
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| 1024 | bpr | 170 | if(twoside) { |
| 7675 | bpr | 171 | ii[0]=pm->p[0]; ii[1]=pm->p[1]; |
| 172 | ii[2]=-rint(dd[2])+ii[0]; ii[3]=-rint(dd[3])+ii[1]; |
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| 173 | ii[4]=-rint(dd[4])+ii[0]; ii[5]=-rint(dd[5])+ii[1]; |
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| 174 | gdImageFilledPolygon(image,(gdPointPtr) ii,3,pm->color[0]); |
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| 1024 | bpr | 175 | } |
| 10 | reyssat | 176 | stem: if(pm->fill) |
| 177 | gdImageDashedLine(image,pm->p[0],pm->p[1],xx,yy,pm->color[0]); |
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| 178 | else |
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| 179 | gdImageLine(image,pm->p[0],pm->p[1],xx,yy,pm->color[0]); |
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| 1024 | bpr | 180 | if(vimg_enable) vimg_line(scale_buf[0],scale_buf[1],scale_buf[2],scale_buf[3]); |
| 10 | reyssat | 181 | } |
| 182 | |||
| 7675 | bpr | 183 | /* Arrow */ |
| 1024 | bpr | 184 | void obj_arrow(objparm *pm) |
| 185 | { |
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| 186 | _obj_arrow(pm,0); |
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| 187 | } |
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| 188 | |||
| 7675 | bpr | 189 | /* 2-sided arrow */ |
| 1024 | bpr | 190 | void obj_arrow2(objparm *pm) |
| 191 | { |
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| 192 | _obj_arrow(pm,1); |
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| 193 | } |
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| 194 | |||
| 7675 | bpr | 195 | /* horizontal line */ |
| 10 | reyssat | 196 | void obj_hline(objparm *pm) |
| 197 | { |
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| 198 | scale(pm->pd,pm->p,1); |
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| 199 | if(pm->fill) |
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| 200 | gdImageDashedLine(image,0,pm->p[1],sizex,pm->p[1],pm->color[0]); |
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| 201 | else |
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| 202 | gdImageLine(image,0,pm->p[1],sizex,pm->p[1],pm->color[0]); |
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| 203 | } |
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| 204 | |||
| 7675 | bpr | 205 | /* vertical line */ |
| 10 | reyssat | 206 | void obj_vline(objparm *pm) |
| 207 | { |
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| 208 | scale(pm->pd,pm->p,1); |
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| 209 | if(pm->fill) |
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| 210 | gdImageDashedLine(image,pm->p[0],0,pm->p[0],sizey,pm->color[0]); |
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| 211 | else |
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| 212 | gdImageLine(image,pm->p[0],0,pm->p[0],sizey,pm->color[0]); |
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| 213 | } |
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| 214 | |||
| 7675 | bpr | 215 | /* dashed line */ |
| 10 | reyssat | 216 | void obj_dline(objparm *pm) |
| 217 | { |
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| 218 | scale(pm->pd,pm->p,2); |
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| 219 | gdImageDashedLine(image,pm->p[0],pm->p[1],pm->p[2],pm->p[3], |
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| 7675 | bpr | 220 | pm->color[0]); |
| 10 | reyssat | 221 | } |
| 222 | |||
| 7675 | bpr | 223 | /* parallel lines. |
| 224 | * x1,y1,x2,y2,xv,yv,n,color */ |
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| 10 | reyssat | 225 | void obj_parallel(objparm *pm) |
| 226 | { |
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| 227 | int i, n, xi,yi; |
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| 228 | double xv,yv; |
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| 229 | n=pm->pd[6]; if(n<0) return; if(n>256) n=256; |
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| 1122 | bpr | 230 | scale(pm->pd,pm->p,3); |
| 10 | reyssat | 231 | scale2(pm->pd[4],pm->pd[5],&xv,&yv); |
| 232 | for(i=0;i<n;i++) { |
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| 7675 | bpr | 233 | xi=rint(i*xv); yi=rint(i*yv); |
| 234 | gdImageLine(image,pm->p[0]+xi,pm->p[1]+yi,pm->p[2]+xi,pm->p[3]+yi, |
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| 235 | pm->color[0]); |
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| 236 | if(vimg_enable) vimg_line(scale_buf[0]+i*(scale_buf[4]-transx), |
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| 237 | scale_buf[1]+i*(scale_buf[5]-transy), |
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| 238 | scale_buf[2]+i*(scale_buf[4]-transx), |
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| 239 | scale_buf[3]+i*(scale_buf[5]-transy)); |
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| 10 | reyssat | 240 | } |
| 241 | } |
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| 242 | |||
| 7675 | bpr | 243 | /* rectangle */ |
| 10 | reyssat | 244 | void obj_rect(objparm *pm) |
| 245 | { |
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| 246 | int x1,y1,x2,y2; |
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| 247 | scale(pm->pd,pm->p,2); |
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| 248 | x1=min(pm->p[0],pm->p[2]); x2=max(pm->p[0],pm->p[2]); |
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| 249 | y1=min(pm->p[1],pm->p[3]); y2=max(pm->p[1],pm->p[3]); |
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| 250 | if(pm->fill) |
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| 251 | gdImageFilledRectangle(image,x1,y1,x2,y2,pm->color[0]); |
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| 252 | else |
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| 253 | gdImageRectangle(image,x1,y1,x2,y2,pm->color[0]); |
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| 1024 | bpr | 254 | if(vimg_enable) vimg_rect(scale_buf[0],scale_buf[1],scale_buf[2],scale_buf[3]); |
| 10 | reyssat | 255 | } |
| 256 | |||
| 7675 | bpr | 257 | /* square */ |
| 10 | reyssat | 258 | void obj_square(objparm *pm) |
| 259 | { |
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| 260 | int w,h; |
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| 261 | scale(pm->pd,pm->p,1); |
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| 262 | w=rint(pm->pd[2]); h=rint(pm->pd[2]); |
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| 263 | if(pm->fill) |
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| 264 | gdImageFilledRectangle(image,pm->p[0],pm->p[1], |
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| 7675 | bpr | 265 | pm->p[0]+w,pm->p[1]+h,pm->color[0]); |
| 10 | reyssat | 266 | else |
| 267 | gdImageRectangle(image,pm->p[0],pm->p[1], |
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| 7675 | bpr | 268 | pm->p[0]+w,pm->p[1]+h,pm->color[0]); |
| 1024 | bpr | 269 | if(vimg_enable) vimg_rect(scale_buf[0],scale_buf[1], |
| 7675 | bpr | 270 | scale_buf[0]+pm->pd[2],scale_buf[1]+pm->pd[2]); |
| 10 | reyssat | 271 | } |
| 272 | |||
| 7675 | bpr | 273 | /* triangle */ |
| 10 | reyssat | 274 | void obj_triangle(objparm *pm) |
| 275 | { |
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| 276 | scale(pm->pd,pm->p,3); |
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| 277 | if(pm->fill) |
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| 278 | gdImageFilledPolygon(image,(gdPointPtr) pm->p,3,pm->color[0]); |
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| 279 | else |
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| 280 | gdImagePolygon(image,(gdPointPtr) pm->p,3,pm->color[0]); |
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| 1024 | bpr | 281 | if(vimg_enable) vimg_polyline(scale_buf,3,1); |
| 10 | reyssat | 282 | } |
| 283 | |||
| 7675 | bpr | 284 | /* polygon */ |
| 10 | reyssat | 285 | void obj_poly(objparm *pm) |
| 286 | { |
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| 287 | int cnt; |
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| 288 | cnt=(pm->pcnt)/2; |
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| 289 | scale(pm->pd,pm->p,cnt); |
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| 290 | if(pm->fill) |
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| 291 | gdImageFilledPolygon(image,(gdPointPtr) pm->p,cnt,pm->color[0]); |
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| 292 | else |
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| 293 | gdImagePolygon(image,(gdPointPtr) pm->p,cnt,pm->color[0]); |
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| 1024 | bpr | 294 | if(vimg_enable) vimg_polyline(scale_buf,cnt,1); |
| 10 | reyssat | 295 | } |
| 296 | |||
| 7675 | bpr | 297 | /* rays */ |
| 10 | reyssat | 298 | void obj_rays(objparm *pm) |
| 299 | { |
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| 300 | int i, n; |
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| 301 | n=(pm->pcnt)/2; |
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| 302 | scale(pm->pd,pm->p,n); |
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| 1024 | bpr | 303 | for(i=2;i<2*n;i+=2) { |
| 7675 | bpr | 304 | gdImageLine(image,pm->p[0],pm->p[1],pm->p[i],pm->p[i+1],pm->color[0]); |
| 305 | if(vimg_enable) vimg_line(scale_buf[0],scale_buf[1], |
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| 306 | scale_buf[i],scale_buf[i+1]); |
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| 1024 | bpr | 307 | } |
| 10 | reyssat | 308 | } |
| 309 | |||
| 7675 | bpr | 310 | /* segments */ |
| 10 | reyssat | 311 | void obj_lines(objparm *pm) |
| 312 | { |
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| 313 | int i, n; |
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| 314 | n=(pm->pcnt)/2; |
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| 315 | scale(pm->pd,pm->p,n); |
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| 7615 | bpr | 316 | for(i=2;i<2*n;i+=2) |
| 10 | reyssat | 317 | gdImageLine(image,pm->p[i-2],pm->p[i-1],pm->p[i],pm->p[i+1],pm->color[0]); |
| 1024 | bpr | 318 | if(vimg_enable) vimg_polyline(scale_buf,n,0); |
| 10 | reyssat | 319 | } |
| 320 | |||
| 7675 | bpr | 321 | /* segments */ |
| 10 | reyssat | 322 | void obj_dlines(objparm *pm) |
| 323 | { |
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| 324 | int i, n; |
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| 325 | n=(pm->pcnt)/2; |
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| 326 | scale(pm->pd,pm->p,n); |
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| 327 | for(i=2;i<2*n;i+=2) |
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| 328 | gdImageDashedLine(image,pm->p[i-2],pm->p[i-1],pm->p[i],pm->p[i+1],pm->color[0]); |
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| 1024 | bpr | 329 | if(vimg_enable) vimg_polyline(scale_buf,n,0); |
| 10 | reyssat | 330 | } |
| 331 | |||
| 7675 | bpr | 332 | /* points */ |
| 10 | reyssat | 333 | void obj_points(objparm *pm) |
| 334 | { |
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| 335 | int i, n; |
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| 336 | n=(pm->pcnt)/2; |
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| 337 | scale(pm->pd,pm->p,n); |
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| 338 | for(i=0;i<2*n;i+=2) |
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| 339 | gdImageSetPixel(image,pm->p[i],pm->p[i+1],pm->color[0]); |
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| 340 | } |
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| 341 | |||
| 7675 | bpr | 342 | /* lattice. |
| 343 | * x0,y0,xv1,yv1,xv2,yv2,n1,n2,color */ |
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| 10 | reyssat | 344 | void obj_lattice(objparm *pm) |
| 345 | { |
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| 346 | int n1,n2,i1,i2,xi1,yi1,xi2,yi2; |
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| 347 | double xv1,xv2,yv1,yv2; |
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| 348 | n1=pm->pd[6];n2=pm->pd[7]; if(n1<0 || n2<0) return; |
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| 349 | if(n1>256) n1=256; if(n2>256) n2=256; |
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| 350 | scale(pm->pd,pm->p,1); |
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| 351 | scale2(pm->pd[2],pm->pd[3],&xv1,&yv1); |
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| 352 | scale2(pm->pd[4],pm->pd[5],&xv2,&yv2); |
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| 353 | for(i1=0;i1<n1;i1++) { |
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| 7675 | bpr | 354 | xi1=rint(i1*xv1)+pm->p[0]; yi1=rint(i1*yv1)+pm->p[1]; |
| 355 | for(i2=0;i2<n2;i2++) { |
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| 356 | xi2=i2*xv2+xi1;yi2=i2*yv2+yi1; |
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| 357 | gdImageSetPixel(image,xi2,yi2,pm->color[0]); |
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| 358 | } |
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| 10 | reyssat | 359 | } |
| 360 | } |
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| 361 | |||
| 7675 | bpr | 362 | /* arc */ |
| 10 | reyssat | 363 | void obj_arc(objparm *pm) |
| 364 | { |
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| 365 | scale(pm->pd,pm->p,1); |
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| 366 | pm->p[2]=rint(pm->pd[2]*xscale); pm->p[3]=rint(pm->pd[3]*yscale); |
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| 367 | gdImageArc(image,pm->p[0],pm->p[1],pm->p[2],pm->p[3], |
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| 7675 | bpr | 368 | pm->pd[4],pm->pd[5],pm->color[0]); |
| 1024 | bpr | 369 | if(vimg_enable) vimg_arc(scale_buf[0],scale_buf[1], |
| 7675 | bpr | 370 | 0.5*pm->pd[2],0.5*pm->pd[3],pm->pd[4],pm->pd[5]); |
| 10 | reyssat | 371 | } |
| 372 | |||
| 7675 | bpr | 373 | /* Ellipse: centre 0,1, width 2, hight 3, color 4,5,6 */ |
| 10 | reyssat | 374 | void obj_ellipse(objparm *pm) |
| 375 | { |
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| 376 | scale(pm->pd,pm->p,1); |
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| 377 | pm->p[2]=rint(pm->pd[2]*xscale); pm->p[3]=rint(pm->pd[3]*yscale); |
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| 378 | if(pm->fill) { |
||
| 7675 | bpr | 379 | gdImageArc(image,pm->p[0],pm->p[1],pm->p[2],pm->p[3],0,360, |
| 380 | color_bounder); |
||
| 8076 | bpr | 381 | gdImageFillToBorder2(image,pm->p[0],pm->p[1], |
| 7675 | bpr | 382 | color_bounder,pm->color[0]); |
| 10 | reyssat | 383 | } |
| 384 | gdImageArc(image,pm->p[0],pm->p[1],pm->p[2],pm->p[3],0,360,pm->color[0]); |
||
| 1024 | bpr | 385 | if(vimg_enable) vimg_ellipse(scale_buf[0],scale_buf[1],0.5*pm->pd[2],0.5*pm->pd[3]); |
| 10 | reyssat | 386 | } |
| 387 | |||
| 7675 | bpr | 388 | /* Circle */ |
| 10 | reyssat | 389 | void obj_circle(objparm *pm) |
| 390 | { |
||
| 391 | scale(pm->pd,pm->p,1); |
||
| 392 | pm->p[2]=rint(pm->pd[2]); pm->p[3]=rint(pm->pd[2]); |
||
| 393 | if(pm->fill) { |
||
| 7675 | bpr | 394 | gdImageArc(image,pm->p[0],pm->p[1],pm->p[2],pm->p[3],0,360, |
| 395 | color_bounder); |
||
| 8076 | bpr | 396 | gdImageFillToBorder2(image,pm->p[0],pm->p[1], |
| 7675 | bpr | 397 | color_bounder,pm->color[0]); |
| 10 | reyssat | 398 | } |
| 399 | gdImageArc(image,pm->p[0],pm->p[1],pm->p[2],pm->p[3],0,360,pm->color[0]); |
||
| 400 | } |
||
| 401 | |||
| 7675 | bpr | 402 | /* flood fill */ |
| 10 | reyssat | 403 | void obj_fill(objparm *pm) |
| 404 | { |
||
| 405 | scale(pm->pd,pm->p,1); |
||
| 406 | gdImageFill(image,pm->p[0],pm->p[1],pm->color[0]); |
||
| 407 | } |
||
| 408 | |||
| 7675 | bpr | 409 | /* flood fill to border*/ |
| 10 | reyssat | 410 | void obj_fillb(objparm *pm) |
| 411 | { |
||
| 412 | scale(pm->pd,pm->p,1); |
||
| 8010 | bpr | 413 | gdImageFillToBorder1(image,pm->p[0],pm->p[1],pm->color[0],pm->color[1]); |
| 10 | reyssat | 414 | } |
| 415 | |||
| 416 | gdImagePtr himg; |
||
| 417 | |||
| 418 | int makehatchimage(int x, int y, int px, int py, int col) |
||
| 419 | { |
||
| 420 | int c1,c2,r,g,b; |
||
| 421 | gdImagePtr saveimg; |
||
| 422 | himg=gdImageCreate(x,y); |
||
| 423 | c1=gdImageGetPixel(image,px,py); |
||
| 424 | r=gdImageRed(image,c1); g=gdImageGreen(image,c1); b=gdImageBlue(image,c1); |
||
| 425 | if(r>=255) r--; else r++; if(g>=255) g--; else g++; if(b>=255) b--; else b++; |
||
| 426 | c1=gdImageColorAllocate(himg,r,g,b); |
||
| 427 | r=gdImageRed(image,col); g=gdImageGreen(image,col); b=gdImageBlue(image,col); |
||
| 428 | c2=gdImageColorAllocate(himg,r,g,b); |
||
| 429 | if(width>1) { |
||
| 7675 | bpr | 430 | savew=-1; saveimg=image; |
| 431 | image=himg; c2=widthcolor(width,c2); image=saveimg; |
||
| 432 | c2=gdBrushed; savew=-1; |
||
| 10 | reyssat | 433 | } |
| 434 | return c2; |
||
| 435 | } |
||
| 436 | |||
| 7675 | bpr | 437 | /* flood fill with hatching */ |
| 10 | reyssat | 438 | void obj_hatchfill(objparm *pm) |
| 439 | { |
||
| 440 | int nx,ny,ax,ay, dir, c; |
||
| 441 | scale(pm->pd,pm->p,1); |
||
| 442 | nx=pm->pd[2]; ny=pm->pd[3]; ax=abs(nx); ay=abs(ny); |
||
| 443 | if(nx==0 && ny==0) {error("bad displacement vector"); return;} |
||
| 444 | if((nx>0 && ny>0) || (nx<0 && ny<0)) dir=1; else dir=-1; |
||
| 445 | if(ax==0) {ax=100; dir=2;} |
||
| 446 | if(ay==0) {ay=100; dir=3;} |
||
| 447 | c=makehatchimage(ax,ay,pm->p[0],pm->p[1],pm->color[0]); |
||
| 448 | switch(dir) { |
||
| 7675 | bpr | 449 | case -1: { |
| 450 | gdImageLine(himg,0,ay-1,ax-1,0,c); |
||
| 451 | if(width>1) { |
||
| 452 | gdImageLine(himg,-ax,ay-1,-1,0,c); |
||
| 453 | gdImageLine(himg,ax,ay-1,2*ax-1,0,c); |
||
| 454 | gdImageLine(himg,0,-1,ax-1,-ay,c); |
||
| 455 | gdImageLine(himg,0,2*ay-1,ax-1,ay,c); |
||
| 456 | } |
||
| 457 | break; |
||
| 458 | } |
||
| 459 | case 1: { |
||
| 460 | gdImageLine(himg,0,0,ax-1,ay-1,c); |
||
| 461 | if(width>1) { |
||
| 462 | gdImageLine(himg,-ax,0,-1,ay-1,c); |
||
| 463 | gdImageLine(himg,ax,0,2*ax-1,ay-1,c); |
||
| 464 | gdImageLine(himg,0,-ay,ax-1,-1,c); |
||
| 465 | gdImageLine(himg,0,ay,ax-1,2*ay-1,c); |
||
| 466 | } |
||
| 467 | break; |
||
| 468 | } |
||
| 469 | case 2: gdImageLine(himg,0,ay/2,ax-1,ay/2,c); break; |
||
| 470 | case 3: gdImageLine(himg,ax/2,0,ax/2,ay-1,c); break; |
||
| 10 | reyssat | 471 | } |
| 472 | gdImageSetTile(image,himg); |
||
| 473 | gdImageFill(image,pm->p[0],pm->p[1],gdTiled); |
||
| 474 | gdImageDestroy(himg); |
||
| 475 | if(tiled) gdImageSetTile(image,tileimg); |
||
| 476 | } |
||
| 477 | |||
| 7675 | bpr | 478 | /* flood fill with grid */ |
| 10 | reyssat | 479 | void obj_gridfill(objparm *pm) |
| 480 | { |
||
| 481 | int nx,ny, c; |
||
| 482 | scale(pm->pd,pm->p,1); |
||
| 483 | nx=pm->pd[2]; ny=pm->pd[3]; nx=abs(nx); ny=abs(ny); |
||
| 484 | if(nx==0 && ny==0) {error("bad grid size"); return;} |
||
| 485 | c=makehatchimage(nx,ny,pm->p[0],pm->p[1],pm->color[0]); |
||
| 486 | gdImageLine(himg,0,ny/2,nx-1,ny/2,c); gdImageLine(himg,nx/2,0,nx/2,ny-1,c); |
||
| 487 | gdImageSetTile(image,himg); |
||
| 488 | gdImageFill(image,pm->p[0],pm->p[1],gdTiled); |
||
| 489 | gdImageDestroy(himg); |
||
| 490 | if(tiled) gdImageSetTile(image,tileimg); |
||
| 491 | } |
||
| 492 | |||
| 7675 | bpr | 493 | /* flood fill with double hatching */ |
| 10 | reyssat | 494 | void obj_diafill(objparm *pm) |
| 495 | { |
||
| 496 | int nx,ny, c; |
||
| 497 | scale(pm->pd,pm->p,1); |
||
| 498 | nx=pm->pd[2]; ny=pm->pd[3]; nx=abs(nx); ny=abs(ny); |
||
| 499 | if(nx==0 && ny==0) {error("bad grid size"); return;} |
||
| 500 | c=makehatchimage(nx,ny,pm->p[0],pm->p[1],pm->color[0]); |
||
| 501 | gdImageLine(himg,0,0,nx-1,ny-1,c); gdImageLine(himg,0,ny-1,nx-1,0,c); |
||
| 502 | gdImageSetTile(image,himg); |
||
| 503 | gdImageFill(image,pm->p[0],pm->p[1],gdTiled); |
||
| 504 | gdImageDestroy(himg); |
||
| 505 | if(tiled) gdImageSetTile(image,tileimg); |
||
| 506 | } |
||
| 507 | |||
| 7675 | bpr | 508 | /* flood fill with double hatching */ |
| 10 | reyssat | 509 | void obj_dotfill(objparm *pm) |
| 510 | { |
||
| 511 | int nx,ny, c; |
||
| 512 | scale(pm->pd,pm->p,1); |
||
| 513 | nx=pm->pd[2]; ny=pm->pd[3]; nx=abs(nx); ny=abs(ny); |
||
| 514 | if(nx==0 && ny==0) {error("bad grid size"); return;} |
||
| 515 | c=makehatchimage(nx,ny,pm->p[0],pm->p[1],pm->color[0]); |
||
| 516 | gdImageSetPixel(himg,nx/2,ny/2,c); |
||
| 517 | gdImageSetTile(image,himg); |
||
| 518 | gdImageFill(image,pm->p[0],pm->p[1],gdTiled); |
||
| 519 | gdImageDestroy(himg); |
||
| 520 | if(tiled) gdImageSetTile(image,tileimg); |
||
| 521 | } |
||
| 522 | |||
| 523 | struct { |
||
| 524 | char *name; |
||
| 525 | gdFontPtr *fpt; |
||
| 526 | } fonttab[]={ |
||
| 7675 | bpr | 527 | {"tiny", &gdFontTiny}, |
| 528 | {"small", &gdFontSmall}, |
||
| 10 | reyssat | 529 | {"medium",&gdFontMediumBold}, |
| 7675 | bpr | 530 | {"large", &gdFontLarge}, |
| 531 | {"giant", &gdFontGiant}, |
||
| 532 | {"huge", &gdFontGiant} |
||
| 10 | reyssat | 533 | }; |
| 534 | |||
| 535 | #define fonttab_no (sizeof(fonttab)/sizeof(fonttab[0])) |
||
| 536 | |||
| 7675 | bpr | 537 | /* string */ |
| 10 | reyssat | 538 | void obj_string(objparm *pm) |
| 539 | { |
||
| 540 | char *pp, *pe, *p2; |
||
| 541 | int i; |
||
| 542 | pp=pm->str; pe=strchr(pp,','); if(pe==NULL) { |
||
| 7675 | bpr | 543 | error("too_few_parms"); return; |
| 10 | reyssat | 544 | } |
| 545 | *pe++=0; pp=find_word_start(pp); *find_word_end(pp)=0; |
||
| 546 | pe=find_word_start(pe); strip_trailing_spaces(pe); |
||
| 547 | if(*pp) { |
||
| 7675 | bpr | 548 | for(i=0;i<fonttab_no && strcmp(pp,fonttab[i].name)!=0; i++); |
| 549 | if(i>=fonttab_no) i=1; |
||
| 10 | reyssat | 550 | } |
| 551 | else i=1; |
||
| 552 | scale(pm->pd,pm->p,1); |
||
| 553 | if(*pe=='"') { |
||
| 7675 | bpr | 554 | p2=strchr(pe+1,'"'); |
| 555 | if(p2 && *(p2+1)==0) {*p2=0; pe++;} |
||
| 10 | reyssat | 556 | } |
| 557 | if(pm->fill) |
||
| 7615 | bpr | 558 | gdImageStringUp(image,*(fonttab[i].fpt),pm->p[0],pm->p[1], (unsigned char*) pe, |
| 7675 | bpr | 559 | pm->color[0]); |
| 10 | reyssat | 560 | else |
| 7615 | bpr | 561 | gdImageString(image,*(fonttab[i].fpt),pm->p[0],pm->p[1], (unsigned char*) pe, |
| 7675 | bpr | 562 | pm->color[0]); |
| 10 | reyssat | 563 | } |
| 564 | |||
| 7675 | bpr | 565 | /* point */ |
| 10 | reyssat | 566 | void obj_point(objparm *pm) |
| 567 | { |
||
| 568 | scale(pm->pd,pm->p,1); |
||
| 569 | gdImageSetPixel(image,pm->p[0],pm->p[1],pm->color[0]); |
||
| 570 | } |
||
| 571 | |||
| 7675 | bpr | 572 | /* copy an image file */ |
| 10 | reyssat | 573 | void obj_copy(objparm *pm) |
| 574 | { |
||
| 575 | char *pp; |
||
| 576 | FILE *inf; |
||
| 7675 | bpr | 577 | gdImagePtr insimg; |
| 7615 | bpr | 578 | |
| 10 | reyssat | 579 | pp=find_word_start(pm->str);*find_word_end(pp)=0; |
| 580 | inf=open4read(pp); |
||
| 581 | if(inf==NULL) { |
||
| 7675 | bpr | 582 | error("file_not_exist"); return; |
| 10 | reyssat | 583 | } |
| 584 | insimg=gdImageCreateFromGif(inf); fclose(inf); |
||
| 585 | if(insimg==NULL) { |
||
| 7675 | bpr | 586 | error("bad_gif"); return; |
| 10 | reyssat | 587 | } |
| 588 | scale(pm->pd,pm->p,1); |
||
| 7615 | bpr | 589 | if(pm->pd[2]<0 && pm->pd[3]<0 && pm->pd[4]<0 && pm->pd[5]<0) |
| 10 | reyssat | 590 | gdImageCopy(image,insimg,pm->p[0],pm->p[1],0,0, |
| 7675 | bpr | 591 | insimg->sx,insimg->sy); |
| 10 | reyssat | 592 | else |
| 593 | gdImageCopy(image,insimg,pm->p[0],pm->p[1],pm->pd[2],pm->pd[3], |
||
| 7675 | bpr | 594 | pm->pd[4]-pm->pd[2],pm->pd[5]-pm->pd[3]); |
| 10 | reyssat | 595 | gdImageDestroy(insimg); |
| 596 | } |
||
| 597 | |||
| 7675 | bpr | 598 | /* copy an image file, with resizing */ |
| 10 | reyssat | 599 | void obj_copyresize(objparm *pm) |
| 600 | { |
||
| 601 | char *pp; |
||
| 602 | FILE *inf; |
||
| 7675 | bpr | 603 | gdImagePtr insimg; |
| 7615 | bpr | 604 | |
| 10 | reyssat | 605 | pp=find_word_start(pm->str);*find_word_end(pp)=0; |
| 606 | inf=open4read(pp); |
||
| 607 | if(inf==NULL) { |
||
| 7675 | bpr | 608 | error("file_not_found"); return; |
| 10 | reyssat | 609 | } |
| 610 | insimg=gdImageCreateFromGif(inf); fclose(inf); |
||
| 611 | if(insimg==NULL) { |
||
| 7675 | bpr | 612 | error("bad_gif"); return; |
| 10 | reyssat | 613 | } |
| 614 | scale(pm->pd+4,pm->p+4,2); |
||
| 7615 | bpr | 615 | if(pm->pd[0]<0 && pm->pd[1]<0 && pm->pd[2]<0 && pm->pd[3]<0) |
| 10 | reyssat | 616 | gdImageCopyResized(image,insimg,pm->p[4],pm->p[5],0,0, |
| 7675 | bpr | 617 | pm->p[6]-pm->p[4]+1,pm->p[7]-pm->p[5]+1, |
| 618 | insimg->sx,insimg->sy); |
||
| 10 | reyssat | 619 | else |
| 620 | gdImageCopyResized(image,insimg,pm->p[4],pm->p[5],pm->pd[0],pm->pd[1], |
||
| 7675 | bpr | 621 | pm->p[6]-pm->p[4]+1,pm->p[7]-pm->p[5]+1, |
| 622 | pm->pd[2]-pm->pd[0]+1,pm->pd[3]-pm->pd[1]+1); |
||
| 10 | reyssat | 623 | gdImageDestroy(insimg); |
| 624 | } |
||
| 625 | |||
| 7675 | bpr | 626 | /* set brush or tile */ |
| 10 | reyssat | 627 | void obj_setbrush(objparm *pm) |
| 628 | { |
||
| 629 | char *pp; |
||
| 630 | FILE *inf; |
||
| 631 | gdImagePtr insimg; |
||
| 632 | |||
| 633 | pp=find_word_start(pm->str); *find_word_end(pp)=0; |
||
| 634 | inf=open4read(pp); if(inf==NULL) { |
||
| 7675 | bpr | 635 | error("file_not_found"); return; |
| 10 | reyssat | 636 | } |
| 637 | insimg=gdImageCreateFromGif(inf); fclose(inf); |
||
| 638 | if(insimg==NULL) { |
||
| 7675 | bpr | 639 | error("bad_gif"); return; |
| 10 | reyssat | 640 | } |
| 641 | if(pm->fill) { |
||
| 7675 | bpr | 642 | gdImageSetTile(image,insimg); tiled=1; tileimg=insimg; |
| 10 | reyssat | 643 | } |
| 644 | else { |
||
| 7675 | bpr | 645 | gdImageSetBrush(image,insimg);brushed=1; brushimg=insimg; |
| 10 | reyssat | 646 | } |
| 647 | } |
||
| 648 | |||
| 7675 | bpr | 649 | /* kill brush */ |
| 10 | reyssat | 650 | void obj_killbrush(objparm *pm) |
| 651 | { |
||
| 652 | if(brushimg) gdImageDestroy(brushimg); |
||
| 653 | brushed=0; brushimg=NULL; |
||
| 654 | } |
||
| 655 | |||
| 7675 | bpr | 656 | /* kill tile */ |
| 10 | reyssat | 657 | void obj_killtile(objparm *pm) |
| 658 | { |
||
| 659 | if(tileimg) gdImageDestroy(tileimg); |
||
| 660 | tiled=0; tileimg=NULL; |
||
| 661 | } |
||
| 662 | |||
| 7675 | bpr | 663 | /* set style */ |
| 10 | reyssat | 664 | void obj_setstyle(objparm *pm) |
| 665 | { |
||
| 666 | int i,t; |
||
| 667 | t=pm->pcnt/3; if(t<=0) { |
||
| 7675 | bpr | 668 | error("too_few_parms"); return; |
| 10 | reyssat | 669 | } |
| 670 | for(i=0;i<t;i++) { |
||
| 7675 | bpr | 671 | if(pm->pd[3*i]<0 || pm->pd[3*i+1]<0 || pm->pd[3*i+2]<0) |
| 672 | pm->p[i]=gdTransparent; |
||
| 673 | else |
||
| 674 | pm->p[i]=getcolor(pm->pd[3*i],pm->pd[3*i+1],pm->pd[3*i+2]); |
||
| 10 | reyssat | 675 | } |
| 676 | gdImageSetStyle(image,pm->p,t); styled=1; |
||
| 677 | } |
||
| 678 | |||
| 7675 | bpr | 679 | /* kill style */ |
| 10 | reyssat | 680 | void obj_killstyle(objparm *pm) |
| 681 | { |
||
| 682 | styled=0; |
||
| 683 | } |
||
| 684 | |||
| 7675 | bpr | 685 | /* set transparent */ |
| 10 | reyssat | 686 | void obj_transp(objparm *pm) |
| 687 | { |
||
| 688 | gdImageColorTransparent(image,pm->color[0]); |
||
| 689 | } |
||
| 690 | |||
| 7675 | bpr | 691 | /* set interlace */ |
| 10 | reyssat | 692 | void obj_interlace(objparm *pm) |
| 693 | { |
||
| 694 | gdImageInterlace(image,1); |
||
| 695 | } |
||
| 696 | |||
| 7675 | bpr | 697 | /* set linewidth */ |
| 10 | reyssat | 698 | void obj_linewidth(objparm *pm) |
| 699 | { |
||
| 700 | if(pm->pd[0]<1 || pm->pd[0]>255) error("bad_parms"); |
||
| 701 | else width=pm->pd[0]; |
||
| 702 | } |
||
| 703 | |||
| 7675 | bpr | 704 | /* set x range */ |
| 10 | reyssat | 705 | void obj_xrange(objparm *pm) |
| 706 | { |
||
| 707 | double dd; |
||
| 708 | dd=pm->pd[1]-pm->pd[0]; |
||
| 709 | xstart=pm->pd[0]; xscale=sizex/dd; |
||
| 710 | } |
||
| 711 | |||
| 7675 | bpr | 712 | /* set y range */ |
| 10 | reyssat | 713 | void obj_yrange(objparm *pm) |
| 714 | { |
||
| 715 | double dd; |
||
| 716 | dd=pm->pd[1]-pm->pd[0]; |
||
| 717 | ystart=pm->pd[1]; yscale=-sizey/dd; |
||
| 718 | } |
||
| 719 | |||
| 7675 | bpr | 720 | /* set x et y range */ |
| 10 | reyssat | 721 | void obj_range(objparm *pm) |
| 722 | { |
||
| 723 | double d1,d2; |
||
| 724 | d1=pm->pd[1]-pm->pd[0]; d2=pm->pd[3]-pm->pd[2]; |
||
| 725 | xstart=pm->pd[0]; xscale=(sizex-1)/d1; |
||
| 726 | ystart=pm->pd[3]; yscale=-(sizey-1)/d2; |
||
| 727 | } |
||
| 728 | |||
| 7675 | bpr | 729 | /* set t range */ |
| 10 | reyssat | 730 | void obj_trange(objparm *pm) |
| 731 | { |
||
| 6790 | bpr | 732 | /*double dd; |
| 733 | dd=pm->pd[1]-pm->pd[0];*/ |
||
| 10 | reyssat | 734 | tstart=pm->pd[0]; tend=pm->pd[1]; |
| 735 | tranged=1; |
||
| 736 | } |
||
| 737 | |||
| 7675 | bpr | 738 | /* set tstep (plotting step) */ |
| 10 | reyssat | 739 | void obj_tstep(objparm *pm) |
| 740 | { |
||
| 741 | int dd; |
||
| 742 | dd=pm->pd[0]; |
||
| 743 | if(dd<3) { |
||
| 7675 | bpr | 744 | error("bad_step"); return; |
| 10 | reyssat | 745 | } |
| 746 | if(dd>2000) dd=2000; |
||
| 747 | tstep=dd; |
||
| 748 | } |
||
| 749 | |||
| 7675 | bpr | 750 | /* set plotjump (plot jump break threashold) */ |
| 10 | reyssat | 751 | void obj_plotjump(objparm *pm) |
| 752 | { |
||
| 753 | int dd; |
||
| 754 | dd=pm->pd[0]; |
||
| 755 | if(dd<3) dd=3; if(dd>MAX_SIZE) dd=MAX_SIZE; |
||
| 756 | plotjump=dd; |
||
| 757 | } |
||
| 758 | |||
| 7675 | bpr | 759 | /* plot a curve, either parametric or explicit */ |
| 6578 | bpr | 760 | void _obj_plot(objparm *pm,int dash) |
| 10 | reyssat | 761 | { |
| 762 | int i,j,n,dist,xx,yy,varpos; |
||
| 763 | char p1[MAX_LINELEN+1], p2[MAX_LINELEN+1]; |
||
| 764 | char *varn, *pp; |
||
| 765 | double dc[2],t,v; |
||
| 766 | int ic[2],oc[2]; |
||
| 767 | |||
| 768 | n=itemnum(pm->str); |
||
| 769 | if(n<1) { |
||
| 7675 | bpr | 770 | error("bad_parms"); return; |
| 10 | reyssat | 771 | } |
| 772 | fnd_item(pm->str,1,p1); fnd_item(pm->str,2,p2); |
||
| 773 | if(n==1 && !tranged) v=sizex/xscale/tstep; |
||
| 774 | else v=(tend-tstart)/tstep; |
||
| 775 | if(n==1) varn="x"; else varn="t"; |
||
| 776 | for(pp=varchr(p1,varn); pp; pp=varchr(pp,varn)) { |
||
| 7675 | bpr | 777 | string_modify(p1,pp,pp+strlen(varn),EV_T); |
| 778 | pp+=strlen(EV_T); |
||
| 10 | reyssat | 779 | } |
| 780 | for(pp=varchr(p2,varn); pp; pp=varchr(pp,varn)) { |
||
| 7675 | bpr | 781 | string_modify(p2,pp,pp+strlen(varn),EV_T); |
| 782 | pp+=strlen(EV_T); |
||
| 10 | reyssat | 783 | } |
| 784 | varpos=eval_getpos(EV_T); |
||
| 785 | if(varpos<0) return; /* unknown error */ |
||
| 786 | evalue_compile(p1); evalue_compile(p2); |
||
| 1024 | bpr | 787 | if(vimg_enable) vimg_plotstart(); |
| 10 | reyssat | 788 | for(i=j=0;i<=tstep;i++) { |
| 7675 | bpr | 789 | if(n==1) { |
| 790 | if(tranged) t=tstart+i*v; else t=xstart+i*v; |
||
| 8076 | bpr | 791 | eval_setval(varpos,t); dc[0]=t; dc[1]=strevalue(p1); |
| 7675 | bpr | 792 | } |
| 793 | else { |
||
| 794 | t=tstart+i*v; eval_setval(varpos,t); |
||
| 8076 | bpr | 795 | dc[0]=strevalue(p1); dc[1]=strevalue(p2); |
| 7675 | bpr | 796 | } |
| 797 | if(!finite(dc[0]) || !finite(dc[1])) ic[0]=ic[1]=-BOUND; |
||
| 798 | else scale(dc,ic,1); |
||
| 799 | if(vimg_enable) vimg_plot1 (scale_buf[0],scale_buf[1]); |
||
| 800 | if(j==0) { |
||
| 801 | gdImageSetPixel(image,ic[0],ic[1],pm->color[0]); j++; |
||
| 802 | } |
||
| 803 | else { |
||
| 804 | xx=ic[0]-oc[0]; yy=ic[1]-oc[1]; |
||
| 805 | dist=sqrt(xx*xx+yy*yy); |
||
| 806 | if(dist>0) { |
||
| 807 | if(dist>plotjump || dist==1) |
||
| 808 | gdImageSetPixel(image,ic[0],ic[1],pm->color[0]); |
||
| 809 | else |
||
| 810 | if ( dash==1) { |
||
| 811 | gdImageDashedLine(image,oc[0],oc[1],ic[0],ic[1],pm->color[0]); |
||
| 812 | } else |
||
| 813 | {gdImageLine(image,oc[0],oc[1],ic[0],ic[1],pm->color[0]); } |
||
| 7615 | bpr | 814 | |
| 7675 | bpr | 815 | } |
| 816 | } |
||
| 817 | memmove(oc,ic,sizeof(oc)); |
||
| 10 | reyssat | 818 | } |
| 1024 | bpr | 819 | if(vimg_enable) vimg_plotend(); |
| 10 | reyssat | 820 | } |
| 821 | |||
| 6578 | bpr | 822 | void obj_plot(objparm *pm) { _obj_plot( pm,0) ;} |
| 823 | void obj_dplot(objparm *pm) { _obj_plot( pm,1) ; } |
||
| 824 | |||
| 7675 | bpr | 825 | /* set levelcurve granularity */ |
| 10 | reyssat | 826 | void obj_levelstep(objparm *pm) |
| 827 | { |
||
| 828 | int dd; |
||
| 829 | dd=pm->pd[0]; |
||
| 830 | if(dd<1) return; if(dd>16) dd=16; |
||
| 831 | lstep=dd; |
||
| 832 | } |
||
| 833 | |||
| 7675 | bpr | 834 | /* level curve */ |
| 10 | reyssat | 835 | void obj_levelcurve(objparm *pm) |
| 836 | { |
||
| 837 | char fn[MAX_LINELEN+1],tc[MAX_LINELEN+1]; |
||
| 838 | int n,i; |
||
| 839 | double d; |
||
| 840 | leveldata *ld; |
||
| 7615 | bpr | 841 | |
| 10 | reyssat | 842 | ld=xmalloc(sizeof(leveldata)+16); |
| 843 | ld->xname="x"; ld->yname="y"; |
||
| 844 | ld->xsize=sizex; ld->ysize=sizey; ld->datacnt=0; |
||
| 845 | ld->xrange[0]=xstart; ld->xrange[1]=sizex/xscale+xstart; |
||
| 846 | ld->yrange[0]=sizey/yscale+ystart; ld->yrange[1]=ystart; |
||
| 847 | ld->grain=lstep; |
||
| 848 | fnd_item(pm->str,1,fn); ld->fn=fn; |
||
| 849 | n=itemnum(pm->str); |
||
| 850 | if(n<=1) {ld->levelcnt=1; ld->levels[0]=0;} |
||
| 851 | else { |
||
| 7675 | bpr | 852 | if(n>LEVEL_LIM+1) n=LEVEL_LIM+1; |
| 853 | for(i=0;i<n-1;i++) { |
||
| 854 | fnd_item(pm->str,i+2,tc); |
||
| 8076 | bpr | 855 | d=strevalue(tc); |
| 7675 | bpr | 856 | if(finite(d)) ld->levels[i]=d; else ld->levels[i]=0; |
| 857 | } |
||
| 858 | ld->levelcnt=n-1; |
||
| 10 | reyssat | 859 | } |
| 860 | levelcurve(ld); |
||
| 861 | for(i=0;i<ld->datacnt;i++) { |
||
| 7675 | bpr | 862 | gdImageSetPixel(image,ld->xdata[i],ld->ydata[i],pm->color[0]); |
| 10 | reyssat | 863 | } |
| 864 | free(ld); |
||
| 865 | } |
||
| 866 | |||
| 7675 | bpr | 867 | /* set animation step */ |
| 10 | reyssat | 868 | void obj_animstep(objparm *pm) |
| 869 | { |
||
| 870 | animstep=pm->pd[0]; |
||
| 871 | setvar("animstep",pm->pd[0]); |
||
| 872 | } |
||
| 873 | |||
| 7675 | bpr | 874 | /* Starts a line counting */ |
| 10 | reyssat | 875 | void obj_linecount(objparm *pm) |
| 876 | { |
||
| 877 | linecnt=pm->pd[0]; |
||
| 878 | } |
||
| 879 | |||
| 7675 | bpr | 880 | /* marks end of execution */ |
| 10 | reyssat | 881 | void obj_end(objparm *pm) |
| 882 | { |
||
| 883 | error("successful_end_of_execution"); |
||
| 884 | } |
||
| 885 | |||
| 7675 | bpr | 886 | /* output */ |
| 10 | reyssat | 887 | void obj_output(objparm *pm) |
| 888 | { |
||
| 889 | char *p, namebuf[1024]; |
||
| 890 | p=find_word_start(pm->str); *find_word_end(p)=0; |
||
| 891 | snprintf(namebuf,sizeof(namebuf),"%s",imagefilename); |
||
| 892 | snprintf(imagefilename,sizeof(imagefilename),"%s",p); |
||
| 893 | output(); |
||
| 894 | snprintf(imagefilename,sizeof(imagefilename),"%s",namebuf); |
||
| 895 | } |
||
| 896 | |||
| 7675 | bpr | 897 | /* vimgfile */ |
| 1024 | bpr | 898 | void obj_vimgfile(objparm *pm) |
| 899 | { |
||
| 900 | char *p; |
||
| 901 | p=find_word_start(pm->str); *find_word_end(p)=0; |
||
| 902 | snprintf(vimgfilename,sizeof(vimgfilename),"%s",p); |
||
| 903 | if(vimg_ready) vimg_close(); |
||
| 904 | } |
||
| 905 | |||
| 7675 | bpr | 906 | /* vimg enable/disable */ |
| 1024 | bpr | 907 | void obj_vimg(objparm *pm) |
| 908 | { |
||
| 909 | vimg_enable=pm->pd[0]; |
||
| 910 | if(vimg_enable>0 && vimg_ready==0) { |
||
| 7675 | bpr | 911 | vimg_init(); |
| 1024 | bpr | 912 | } |
| 913 | } |
||
| 914 | |||
| 7675 | bpr | 915 | /* Set affine transformation */ |
| 10 | reyssat | 916 | void obj_affine(objparm *pm) |
| 917 | { |
||
| 918 | int i; |
||
| 919 | for(i=0;i<4;i++) matrix[i]=pm->pd[i]; |
||
| 920 | transx=pm->pd[4]; transy=pm->pd[5]; |
||
| 921 | transform=1; |
||
| 922 | } |
||
| 923 | |||
| 7675 | bpr | 924 | /* Set affine transformation */ |
| 10 | reyssat | 925 | void obj_rotation(objparm *pm) |
| 926 | { |
||
| 927 | double r; |
||
| 928 | r=M_PI*pm->pd[0]/180; |
||
| 929 | matrix[0]=matrix[3]=cos(r); |
||
| 930 | matrix[1]=-sin(r); matrix[2]=sin(r); |
||
| 931 | transform=1; |
||
| 932 | } |
||
| 933 | |||
| 7675 | bpr | 934 | /* Set affine transformation */ |
| 10 | reyssat | 935 | void obj_linear(objparm *pm) |
| 936 | { |
||
| 937 | int i; |
||
| 938 | for(i=0;i<4;i++) matrix[i]=pm->pd[i]; |
||
| 939 | transform=1; |
||
| 940 | } |
||
| 941 | |||
| 7675 | bpr | 942 | /* Set affine transformation */ |
| 10 | reyssat | 943 | void obj_translation(objparm *pm) |
| 944 | { |
||
| 945 | transx=pm->pd[0]; transy=pm->pd[1]; |
||
| 946 | } |
||
| 947 | |||
| 7675 | bpr | 948 | /* Set affine transformation */ |
| 10 | reyssat | 949 | void obj_killaffine(objparm *pm) |
| 950 | { |
||
| 951 | matrix[0]=matrix[3]=1; |
||
| 952 | matrix[1]=matrix[2]=transx=transy=0; |
||
| 953 | transform=0; |
||
| 954 | } |
||
| 955 | |||
| 7675 | bpr | 956 | /* Set affine transformation */ |
| 10 | reyssat | 957 | void obj_killlinear(objparm *pm) |
| 958 | { |
||
| 959 | matrix[0]=matrix[3]=1; |
||
| 960 | matrix[1]=matrix[2]=0; |
||
| 961 | transform=0; |
||
| 962 | } |
||
| 963 | |||
| 7675 | bpr | 964 | /* Set affine transformation */ |
| 10 | reyssat | 965 | void obj_killtranslation(objparm *pm) |
| 966 | { |
||
| 967 | transx=transy=0; |
||
| 968 | } |
||
| 969 | |||
| 970 | /***** Les modifs de Jean-Christophe Leger Fev 2006 *****/ |
||
| 971 | |||
| 7615 | bpr | 972 | /* arguments: un numero de matrice entre 1 et JC_NB_MATRICES, une liste de 4 nombres reels pour la matrice */ |
| 10 | reyssat | 973 | void obj_setmatrix(objparm *pm) |
| 974 | { |
||
| 975 | int nummatrix = (int) (pm->pd[0]); |
||
| 976 | if((nummatrix < 1) ||(nummatrix>JC_NB_MATRICES)) { |
||
| 977 | error("bad_matrix_number"); |
||
| 978 | return; |
||
| 979 | } |
||
| 980 | matrices_pavage[nummatrix][0] = pm->pd[1]; |
||
| 981 | matrices_pavage[nummatrix][1] = pm->pd[2]; |
||
| 982 | matrices_pavage[nummatrix][2] = pm->pd[3]; |
||
| 983 | matrices_pavage[nummatrix][3] = pm->pd[4]; |
||
| 984 | } |
||
| 985 | |||
| 7615 | bpr | 986 | /* arguments: un numero de matrice entre 1 et JC_NB_MATRICES */ |
| 10 | reyssat | 987 | void obj_resetmatrix(objparm *pm) |
| 988 | { |
||
| 989 | int nummatrix = (int) (pm->pd[0]); |
||
| 990 | if((nummatrix < 1) ||(nummatrix>JC_NB_MATRICES)) { |
||
| 991 | error("bad_matrix_number"); |
||
| 992 | return; |
||
| 993 | } |
||
| 994 | matrices_pavage[nummatrix][0] = 1; |
||
| 995 | matrices_pavage[nummatrix][1] = 0; |
||
| 996 | matrices_pavage[nummatrix][2] = 0; |
||
| 997 | matrices_pavage[nummatrix][3] = 1; |
||
| 998 | |||
| 999 | } |
||
| 7615 | bpr | 1000 | /* arguments: un numero de vecteur entre 1 et JC_NB_MATRICES, une liste de 2 nombres reels pour le vecteur */ |
| 10 | reyssat | 1001 | void obj_setvector(objparm *pm) |
| 1002 | { |
||
| 1003 | int nummatrix = (int) (pm->pd[0]); |
||
| 1004 | if((nummatrix < 1) ||(nummatrix>JC_NB_MATRICES)) { |
||
| 1005 | error("bad_vector_number"); |
||
| 1006 | return; |
||
| 1007 | } |
||
| 1008 | vecteurs_pavage[nummatrix][0] = pm->pd[1]; |
||
| 1009 | vecteurs_pavage[nummatrix][1] = pm->pd[2]; |
||
| 1010 | } |
||
| 1011 | |||
| 7615 | bpr | 1012 | /* arguments: un numero de matrice entre 1 et JC_NB_MATRICES */ |
| 10 | reyssat | 1013 | void obj_resetvector(objparm *pm) |
| 1014 | { |
||
| 1015 | int nummatrix = (int) (pm->pd[0]); |
||
| 1016 | if((nummatrix < 1) ||(nummatrix>JC_NB_MATRICES)) { |
||
| 1017 | error("bad_vector_number"); |
||
| 1018 | return; |
||
| 1019 | } |
||
| 1020 | vecteurs_pavage[nummatrix][0] = 0; |
||
| 1021 | vecteurs_pavage[nummatrix][1] = 0; |
||
| 1022 | } |
||
| 1023 | |||
| 7615 | bpr | 1024 | /* 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 | 1025 | void obj_settransform(objparm *pm) |
| 1026 | { |
||
| 1027 | int nummatrix = (int) (pm->pd[0]); |
||
| 1028 | if((nummatrix < 1) ||(nummatrix>JC_NB_MATRICES)) { |
||
| 1029 | error("bad_vector_number"); |
||
| 1030 | return; |
||
| 1031 | } |
||
| 1032 | matrices_pavage[nummatrix][0] = pm->pd[1]; |
||
| 1033 | matrices_pavage[nummatrix][1] = pm->pd[2]; |
||
| 1034 | matrices_pavage[nummatrix][2] = pm->pd[3]; |
||
| 1035 | matrices_pavage[nummatrix][3] = pm->pd[4]; |
||
| 1036 | vecteurs_pavage[nummatrix][0] = pm->pd[5]; |
||
| 1037 | vecteurs_pavage[nummatrix][1] = pm->pd[6]; |
||
| 1038 | } |
||
| 1039 | |||
| 1040 | |||
| 7615 | bpr | 1041 | /* arguments: un numero de matrice entre 1 et JC_NB_MATRICES */ |
| 10 | reyssat | 1042 | void obj_resettransform(objparm *pm) |
| 1043 | { |
||
| 1044 | int nummatrix = (int) (pm->pd[0]); |
||
| 1045 | if((nummatrix < 1) ||(nummatrix>JC_NB_MATRICES)) { |
||
| 1046 | error("bad_vector_number"); |
||
| 1047 | return; |
||
| 1048 | } |
||
| 1049 | vecteurs_pavage[nummatrix][0] = 0; |
||
| 1050 | vecteurs_pavage[nummatrix][1] = 0; |
||
| 1051 | matrices_pavage[nummatrix][0] = 1; |
||
| 1052 | matrices_pavage[nummatrix][1] = 0; |
||
| 1053 | matrices_pavage[nummatrix][2] = 0; |
||
| 1054 | matrices_pavage[nummatrix][3] = 1; |
||
| 1055 | } |
||
| 1056 | |||
| 7615 | bpr | 1057 | /* arguments: une liste de 6 nombres reels pour les coordonnees de l'origine et des vecteurs de base */ |
| 10 | reyssat | 1058 | void obj_setparallelogram(objparm *pm) |
| 1059 | { |
||
| 1060 | int i; |
||
| 1061 | for(i=0;i<6;i++) parallogram_fonda[i]=pm->pd[i]; |
||
| 1062 | } |
||
| 1063 | |||
| 1064 | /* arguments :aucun */ |
||
| 1065 | void obj_resetparallelogram(objparm *pm) |
||
| 1066 | { |
||
| 1067 | parallogram_fonda[0]=0; |
||
| 1068 | parallogram_fonda[1]=0; |
||
| 1069 | parallogram_fonda[2]=100; |
||
| 1070 | parallogram_fonda[3]=0; |
||
| 1071 | parallogram_fonda[4]=0; |
||
| 1072 | parallogram_fonda[5]=100; |
||
| 1073 | } |
||
| 1074 | |||
| 1075 | /* argument : la liste des numeros des matrices a faire agir, le nom du fichier de l'image a inclure */ |
||
| 1076 | void obj_multicopy(objparm *pm) |
||
| 1077 | { |
||
| 1078 | char *pp,*pe,*cptr; |
||
| 1079 | FILE *inf; |
||
| 7675 | bpr | 1080 | gdImagePtr insimg; |
| 10 | reyssat | 1081 | int i,j; |
| 1082 | int imax,jmax; |
||
| 1083 | int c; /* la couleur reperee */ |
||
| 1084 | int mat; |
||
| 1085 | int nummatrices[JC_NB_MATRICES]; |
||
| 1086 | double pt[2]; /* les coordonnees math. du point repere dans le parallelogramme */ |
||
| 1087 | double ptr[2]; /* les coordonnees math. du point transforme */ |
||
| 1088 | int pti[2]; /* les coordonnees img du point a placer sur le canevas */ |
||
| 1089 | int t; |
||
| 1090 | /* gestion palette de couleur de l'image a inserer */ |
||
| 1091 | int colorMap[gdMaxColors]; |
||
| 1092 | int comptmat=0; /* combien de matrices en tout ? */ |
||
| 7615 | bpr | 1093 | |
| 10 | reyssat | 1094 | for (i=0; (i<gdMaxColors); i++) { |
| 1095 | colorMap[i] = (-1); |
||
| 1096 | } |
||
| 1097 | |||
| 1098 | /* Gestion des parametres la liste est censee finir avec le nom du fichier */ |
||
| 7615 | bpr | 1099 | t=pm->pcnt-1; /* il faut enlever le nom de fichier ! c'est le nombre de parametres en plus */ |
| 10 | reyssat | 1100 | pp=find_word_start(pm->str); |
| 1101 | /* visiblement find_word_start n'arrive pas a trouver le dernier mot dans un contexte ou le nombre de parameters est variable |
||
| 1102 | * on cherche donc l'emplacement de la derniere virgule: |
||
| 1103 | * il y en a une car t>0, on retrouve ensuite le debut de mot |
||
| 1104 | */ |
||
| 1105 | for(pe=pp;*pe!=0;pe++);/* trouve la fin de la chaine */ |
||
| 1106 | if(t>0){ |
||
| 1107 | for(cptr = pe; cptr > pp && *cptr != ','; cptr--); |
||
| 1108 | pp=find_word_start(cptr+1); |
||
| 1109 | } |
||
| 1110 | pe=find_word_end(pp);*pe=0; /* strip junk final */ |
||
| 1111 | // printf("pp contient %s\n",pp); |
||
| 1112 | |||
| 1113 | |||
| 1114 | inf=open4read(pp); |
||
| 1115 | if(inf==NULL) { |
||
| 7675 | bpr | 1116 | error("file_not_exist"); return; |
| 10 | reyssat | 1117 | } |
| 1118 | insimg=gdImageCreateFromGif(inf); fclose(inf); |
||
| 1119 | if(insimg==NULL) { |
||
| 7675 | bpr | 1120 | error("bad_gif"); return; |
| 10 | reyssat | 1121 | } |
| 1122 | |||
| 7675 | bpr | 1123 | /* On recupere les numeros des matrices/vecteurs a faire agir, |
| 1124 | * s'il n'y en a pas, on les fait toutes agir |
||
| 1125 | */ |
||
| 10 | reyssat | 1126 | for(i=0;i<t && i< JC_NB_MATRICES;i++) { |
| 1127 | if(pm->pd[i]>=1 && pm->pd[i]<=JC_NB_MATRICES){ |
||
| 7675 | bpr | 1128 | nummatrices[comptmat] = pm->pd[i]; |
| 1129 | comptmat++; |
||
| 10 | reyssat | 1130 | } |
| 1131 | } |
||
| 1132 | if(t<=0){ |
||
| 1133 | for(i=0;i<JC_NB_MATRICES;i++) { |
||
| 7675 | bpr | 1134 | nummatrices[i] = i+1; |
| 10 | reyssat | 1135 | } |
| 1136 | comptmat=JC_NB_MATRICES; |
||
| 1137 | } |
||
| 1138 | |||
| 7615 | bpr | 1139 | |
| 10 | reyssat | 1140 | imax = gdImageSX(insimg); |
| 1141 | jmax = gdImageSY(insimg); |
||
| 1142 | |||
| 1143 | for(i=0;i<imax;i++){ |
||
| 1144 | for(j=0;j<jmax;j++){ |
||
| 7675 | bpr | 1145 | int nc; |
| 1146 | c=gdImageGetPixel(insimg,i,j); |
||
| 1147 | /* Le code suivant est une copie du code dans gdImageCopy Added 7/24/95: support transparent copies */ |
||
| 1148 | if (gdImageGetTransparent(insimg) != c) { |
||
| 1149 | /* Have we established a mapping for this color? */ |
||
| 1150 | if (colorMap[c] == (-1)) { |
||
| 1151 | /* If it's the same image, mapping is trivial, dans notre cas ca n'arrive jamais... */ |
||
| 1152 | if (image == insimg) { |
||
| 1153 | nc = c; |
||
| 1154 | } else { |
||
| 1155 | /* First look for an exact match */ |
||
| 1156 | nc = gdImageColorExact(image, |
||
| 1157 | insimg->red[c], insimg->green[c], |
||
| 1158 | insimg->blue[c]); |
||
| 1159 | } |
||
| 1160 | if (nc == (-1)) { |
||
| 1161 | /* No, so try to allocate it */ |
||
| 1162 | nc = gdImageColorAllocate(image, |
||
| 1163 | insimg->red[c], insimg->green[c], |
||
| 1164 | insimg->blue[c]); |
||
| 1165 | /* If we're out of colors, go for the closest color */ |
||
| 1166 | if (nc == (-1)) { |
||
| 1167 | nc = gdImageColorClosest(image, |
||
| 1168 | insimg->red[c], insimg->green[c], |
||
| 1169 | insimg->blue[c]); |
||
| 1170 | } |
||
| 1171 | } |
||
| 1172 | colorMap[c] = nc; |
||
| 1173 | } |
||
| 10 | reyssat | 1174 | |
| 7675 | bpr | 1175 | pt[0]= i*(parallogram_fonda[2])/(imax-1)+(jmax-j)*(parallogram_fonda[4])/(jmax-1)+parallogram_fonda[0]; |
| 1176 | pt[1]= i*(parallogram_fonda[3])/(imax-1)+(jmax-j)*(parallogram_fonda[5])/(jmax-1)+parallogram_fonda[1]; |
||
| 1177 | for(mat=0;mat<comptmat;mat++){ |
||
| 1178 | double *matricecourante = matrices_pavage[nummatrices[mat]]; |
||
| 1179 | double *vecteurcourant = vecteurs_pavage[nummatrices[mat]]; |
||
| 1180 | ptr[0] = matricecourante[0]*pt[0]+matricecourante[1]*pt[1]+vecteurcourant[0]; |
||
| 1181 | ptr[1] = matricecourante[2]*pt[0]+matricecourante[3]*pt[1]+vecteurcourant[1]; |
||
| 1182 | scale(ptr,pti,1); |
||
| 1183 | gdImageSetPixel(image,pti[0],pti[1],colorMap[c]); |
||
| 1184 | } |
||
| 1185 | } |
||
| 10 | reyssat | 1186 | } |
| 1187 | } |
||
| 1188 | gdImageDestroy(insimg); |
||
| 1189 | } |
||
| 1190 | |||
| 1191 | /**** Fin modifs JC Fev 06 ******/ |
||
| 1192 | |||
| 7675 | bpr | 1193 | /* get color from value */ |
| 10 | reyssat | 1194 | int calc_color(char *p, struct objtab *o) |
| 1195 | { |
||
| 1196 | int k, cc[3]; |
||
| 1197 | char buf[MAX_LINELEN+1]; |
||
| 1198 | for(k=0;k<3;k++) { |
||
| 7675 | bpr | 1199 | fnd_item(p,k+1,buf); |
| 8076 | bpr | 1200 | cc[k]=strevalue(buf); |
| 10 | reyssat | 1201 | } |
| 1202 | collapse_item(p,3); |
||
| 1203 | if(cc[0]==-1 && cc[1]==-1 && cc[2]==-255) { |
||
| 1204 | |||
| 7675 | bpr | 1205 | if(brushed && o->subst&1) return gdBrushed; |
| 1206 | else return color_black; |
||
| 10 | reyssat | 1207 | } |
| 1208 | if(cc[0]==-1 && cc[1]==-255 && cc[2]==-1) { |
||
| 7675 | bpr | 1209 | if(styled && o->subst&2) return gdStyled; |
| 1210 | else return color_black; |
||
| 10 | reyssat | 1211 | } |
| 1212 | if(cc[0]==-255 && cc[1]==-1 && cc[2]==-1) { |
||
| 7675 | bpr | 1213 | if(tiled && o->fill_tag==1) return gdTiled; |
| 1214 | else return color_black; |
||
| 10 | reyssat | 1215 | } |
| 1216 | return getcolor(cc[0],cc[1],cc[2]); |
||
| 1217 | } |
||
| 1218 | |||
| 7675 | bpr | 1219 | /* Routine to parse parameters */ |
| 10 | reyssat | 1220 | int parse_parms(char *p,objparm *pm,struct objtab *o) |
| 1221 | { |
||
| 1222 | char buf[MAX_LINELEN+1]; |
||
| 1223 | char *p1, *p2; |
||
| 1224 | int j,t,c,c1,c2; |
||
| 7615 | bpr | 1225 | |
| 10 | reyssat | 1226 | c=o->color_pos;c1=c2=0; |
| 1227 | pm->color[0]=pm->color[1]=0; |
||
| 1228 | if(c>0) c1=c; if(c<0) c2=-c; c=c1+c2; |
||
| 1229 | t=itemnum(p);if(t<o->required_parms+3*c) return -1; |
||
| 1230 | if(c1>0 && t>o->required_parms+3*c) t=o->required_parms+3*c; |
||
| 1231 | pm->pcnt=t-3*c; |
||
| 1232 | if(pm->pcnt>MAX_PARMS) pm->pcnt=MAX_PARMS; |
||
| 1233 | if(c2>0) { |
||
| 7675 | bpr | 1234 | for(j=0;j<2 && j<c2; j++) pm->color[j]=calc_color(p,o); |
| 10 | reyssat | 1235 | } |
| 1236 | snprintf(buf,sizeof(buf),"%s",p); |
||
| 1237 | for(j=0, p1=buf; j<pm->pcnt; j++, p1=p2) { |
||
| 7675 | bpr | 1238 | p2=find_item_end(p1); if(*p2) *p2++=0; |
| 1239 | p1=find_word_start(p1); |
||
| 8076 | bpr | 1240 | if(*p1) pm->pd[j]=strevalue(p1); else pm->pd[j]=0; |
| 7675 | bpr | 1241 | if(!finite(pm->pd[j])) { |
| 1242 | if(j<o->required_parms) return -1; |
||
| 1243 | else {pm->pd[j]=0;break;} |
||
| 1244 | } |
||
| 10 | reyssat | 1245 | } |
| 1246 | collapse_item(p,o->required_parms); |
||
| 1247 | if(c1>0) { |
||
| 7675 | bpr | 1248 | for(j=0;j<c1 && j<2; j++) pm->color[j]=calc_color(p,o); |
| 10 | reyssat | 1249 | } |
| 1250 | if(width>1 && o->subst&1 && pm->color[0]!=gdBrushed |
||
| 1251 | && pm->color[0]!=gdStyled && pm->color[0]!=gdTiled) { |
||
| 7675 | bpr | 1252 | pm->color[1]=pm->color[0]; |
| 1253 | pm->color[0]=widthcolor(width,pm->color[0]); |
||
| 10 | reyssat | 1254 | } |
| 1255 | pm->fill=o->fill_tag; |
||
| 3718 | reyssat | 1256 | ovlstrcpy(pm->str,p); return 0; |
| 10 | reyssat | 1257 | } |
| 1258 | |||
| 8068 | bpr | 1259 | /* Create the struct objparm pm corresponding to the objparm p |
| 1260 | * Execute a command. Returns 0 if OK. |
||
| 1261 | */ |
||
| 10 | reyssat | 1262 | int obj_main(char *p) |
| 1263 | { |
||
| 1264 | int i; |
||
| 1265 | char *pp,*name,*pt; |
||
| 1266 | char tbuf2[MAX_LINELEN+1]; |
||
| 1267 | struct objparm pm; |
||
| 1268 | |||
| 1269 | p=find_word_start(p); |
||
| 1270 | if(*p==exec_prefix_char || *p==0) return 0; /* comment */ |
||
| 1271 | name=p; |
||
| 1272 | pp=find_name_end(p); |
||
| 1273 | pt=find_word_start(pp); if(*pt=='=') *pt=' '; |
||
| 1274 | if(*pt==':' && *(pt+1)=='=') *pt=*(pt+1)=' '; |
||
| 1275 | pp=find_word_end(p); |
||
| 1276 | if(*pp!=0) { |
||
| 7675 | bpr | 1277 | *(pp++)=0; pp=find_word_start(pp); |
| 10 | reyssat | 1278 | } |
| 1279 | if(strlen(p)==1 || (strlen(p)==2 && isdigit(*(p+1)))) { |
||
| 8076 | bpr | 1280 | setvar(p,strevalue(pp)); return 0; |
| 10 | reyssat | 1281 | } |
| 8068 | bpr | 1282 | /* search the number of the object */ |
| 10 | reyssat | 1283 | i=search_list(objtab,obj_no,sizeof(objtab[0]),name); |
| 1284 | if(i<0) { |
||
| 7675 | bpr | 1285 | error("bad_cmd"); return 1; |
| 10 | reyssat | 1286 | } |
| 1287 | if(image==NULL && (objtab[i].color_pos || objtab[i].required_parms>2)) { |
||
| 7675 | bpr | 1288 | error("image_not_defined"); return 1; |
| 10 | reyssat | 1289 | } |
| 3718 | reyssat | 1290 | ovlstrcpy(tbuf2,pp); |
| 10 | reyssat | 1291 | if(objtab[i].color_pos || objtab[i].routine==obj_setstyle) { |
| 7675 | bpr | 1292 | substit(tbuf2); |
| 10 | reyssat | 1293 | } |
| 1294 | if(parse_parms(tbuf2,&pm,objtab+i)!=0) error("bad_parms"); |
||
| 1295 | else objtab[i].routine(&pm); |
||
| 1296 | return 0; |
||
| 1297 | } |
||
| 1298 |