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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 */ |
| 10 | reyssat | 20 | |
| 8162 | bpr | 21 | void patchgdImageFillToBorder (gdImagePtr im, int x, int y, int border, int color) |
| 8076 | bpr | 22 | { |
| 8156 | bpr | 23 | if(x>=im->sx || x<0 || y>=im->sy || y<0) return; |
| 8076 | bpr | 24 | gdImageFillToBorder(im,x,y,border,color); |
| 25 | } |
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| 26 | |||
| 8162 | bpr | 27 | void patchgdImageFill (gdImagePtr im, int x, int y, int color) |
| 8156 | bpr | 28 | { |
| 29 | if(x>=im->sx || x<0 || y>=im->sy || y<0) return; |
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| 30 | gdImageFill(im,x,y,color); |
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| 31 | } |
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| 8076 | bpr | 32 | |
| 8156 | bpr | 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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| 8158 | bpr | 108 | color_frame=gdImageColorAllocate(image,254,254,254); |
| 10 | reyssat | 109 | } |
| 110 | } |
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| 111 | |||
| 7675 | bpr | 112 | /* new image */ |
| 10 | reyssat | 113 | void obj_new(objparm *pm) |
| 114 | { |
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| 115 | if(image) { |
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| 7675 | bpr | 116 | gdImageDestroy(image);image=NULL; |
| 10 | reyssat | 117 | } |
| 8158 | bpr | 118 | if(pm->pcnt>=2) { obj_size(pm); gdImageRectangle(image,0,0,sizex-1,sizey-1,color_frame);} |
| 10 | reyssat | 119 | else sizex=sizey=0; |
| 120 | saved=0; |
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| 121 | } |
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| 122 | |||
| 7675 | bpr | 123 | /* new image */ |
| 10 | reyssat | 124 | void obj_existing(objparm *pm) |
| 125 | { |
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| 126 | FILE *inf; |
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| 127 | char *pp; |
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| 7615 | bpr | 128 | |
| 10 | reyssat | 129 | if(image) { |
| 7675 | bpr | 130 | gdImageDestroy(image);image=NULL; |
| 10 | reyssat | 131 | } |
| 132 | pp=find_word_start(pm->str);*find_word_end(pp)=0; |
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| 133 | inf=open4read(pp); |
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| 134 | if(inf==NULL) { |
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| 7675 | bpr | 135 | error("file_not_exist"); return; |
| 10 | reyssat | 136 | } |
| 137 | image=gdImageCreateFromGif(inf); fclose(inf); |
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| 138 | if(image==NULL) { |
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| 7675 | bpr | 139 | error("bad_gif"); return; |
| 10 | reyssat | 140 | } |
| 141 | sizex=image->sx; sizey=image->sy; |
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| 142 | saved=0; |
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| 143 | } |
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| 144 | |||
| 7675 | bpr | 145 | /* solid line */ |
| 10 | reyssat | 146 | void obj_line(objparm *pm) |
| 147 | { |
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| 148 | scale(pm->pd,pm->p,2); |
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| 149 | gdImageLine(image,pm->p[0],pm->p[1],pm->p[2],pm->p[3],pm->color[0]); |
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| 1024 | bpr | 150 | if(vimg_enable) vimg_line(scale_buf[0],scale_buf[1],scale_buf[2],scale_buf[3]); |
| 10 | reyssat | 151 | } |
| 152 | |||
| 1024 | bpr | 153 | void _obj_arrow(objparm *pm, int twoside) |
| 10 | reyssat | 154 | { |
| 8163 | bpr | 155 | int l,xx,yy; |
| 156 | gdPoint ii[3]; |
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| 10 | reyssat | 157 | double dx,dy,length,dd[6]; |
| 7615 | bpr | 158 | scale(pm->pd,pm->p,2); |
| 8163 | bpr | 159 | xx=ii[0].x=pm->p[2];yy=ii[0].y=pm->p[3]; |
| 10 | reyssat | 160 | l=pm->pd[4];if(l<0) l=0; if(l>200) l=200; |
| 161 | scale2(pm->pd[0]-pm->pd[2],pm->pd[1]-pm->pd[3],&dx,&dy); |
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| 162 | length=sqrt(dx*dx+dy*dy); |
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| 163 | if(length<3 || l<5) goto stem; |
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| 164 | dd[0]=l*dx/length; dd[1]=l*dy/length; |
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| 165 | #define fat 0.27 |
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| 166 | dd[2]=dd[0]+dd[1]*fat; dd[3]=dd[1]-dd[0]*fat; |
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| 167 | dd[4]=dd[0]-dd[1]*fat; dd[5]=dd[1]+dd[0]*fat; |
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| 8163 | bpr | 168 | ii[1].x=rint(dd[2])+ii[0].x; ii[1].y=rint(dd[3])+ii[0].y; |
| 169 | ii[2].x=rint(dd[4])+ii[0].x; ii[2].y=rint(dd[5])+ii[0].y; |
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| 170 | gdImageFilledPolygon(image, ii,3,pm->color[0]); |
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| 171 | xx=rint(dd[0])+ii[0].x;yy=rint(dd[1])+ii[0].y; |
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| 1024 | bpr | 172 | if(twoside) { |
| 8163 | bpr | 173 | ii[0].x=pm->p[0]; ii[0].y=pm->p[1]; |
| 174 | ii[1].x=-rint(dd[2])+ii[0].x; ii[1].y=-rint(dd[3])+ii[0].y; |
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| 175 | ii[2].x=-rint(dd[4])+ii[0].x; ii[2].y=-rint(dd[5])+ii[0].y; |
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| 176 | gdImageFilledPolygon(image, ii,3,pm->color[0]); |
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| 1024 | bpr | 177 | } |
| 10 | reyssat | 178 | stem: if(pm->fill) |
| 179 | gdImageDashedLine(image,pm->p[0],pm->p[1],xx,yy,pm->color[0]); |
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| 180 | else |
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| 181 | gdImageLine(image,pm->p[0],pm->p[1],xx,yy,pm->color[0]); |
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| 1024 | bpr | 182 | if(vimg_enable) vimg_line(scale_buf[0],scale_buf[1],scale_buf[2],scale_buf[3]); |
| 10 | reyssat | 183 | } |
| 184 | |||
| 7675 | bpr | 185 | /* Arrow */ |
| 1024 | bpr | 186 | void obj_arrow(objparm *pm) |
| 187 | { |
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| 188 | _obj_arrow(pm,0); |
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| 189 | } |
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| 190 | |||
| 7675 | bpr | 191 | /* 2-sided arrow */ |
| 1024 | bpr | 192 | void obj_arrow2(objparm *pm) |
| 193 | { |
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| 194 | _obj_arrow(pm,1); |
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| 195 | } |
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| 196 | |||
| 7675 | bpr | 197 | /* horizontal line */ |
| 10 | reyssat | 198 | void obj_hline(objparm *pm) |
| 199 | { |
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| 200 | scale(pm->pd,pm->p,1); |
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| 201 | if(pm->fill) |
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| 202 | gdImageDashedLine(image,0,pm->p[1],sizex,pm->p[1],pm->color[0]); |
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| 203 | else |
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| 204 | gdImageLine(image,0,pm->p[1],sizex,pm->p[1],pm->color[0]); |
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| 205 | } |
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| 206 | |||
| 7675 | bpr | 207 | /* vertical line */ |
| 10 | reyssat | 208 | void obj_vline(objparm *pm) |
| 209 | { |
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| 210 | scale(pm->pd,pm->p,1); |
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| 211 | if(pm->fill) |
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| 212 | gdImageDashedLine(image,pm->p[0],0,pm->p[0],sizey,pm->color[0]); |
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| 213 | else |
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| 214 | gdImageLine(image,pm->p[0],0,pm->p[0],sizey,pm->color[0]); |
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| 215 | } |
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| 216 | |||
| 7675 | bpr | 217 | /* dashed line */ |
| 10 | reyssat | 218 | void obj_dline(objparm *pm) |
| 219 | { |
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| 220 | scale(pm->pd,pm->p,2); |
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| 221 | gdImageDashedLine(image,pm->p[0],pm->p[1],pm->p[2],pm->p[3], |
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| 7675 | bpr | 222 | pm->color[0]); |
| 10 | reyssat | 223 | } |
| 224 | |||
| 7675 | bpr | 225 | /* parallel lines. |
| 226 | * x1,y1,x2,y2,xv,yv,n,color */ |
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| 10 | reyssat | 227 | void obj_parallel(objparm *pm) |
| 228 | { |
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| 229 | int i, n, xi,yi; |
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| 230 | double xv,yv; |
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| 231 | n=pm->pd[6]; if(n<0) return; if(n>256) n=256; |
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| 1122 | bpr | 232 | scale(pm->pd,pm->p,3); |
| 10 | reyssat | 233 | scale2(pm->pd[4],pm->pd[5],&xv,&yv); |
| 234 | for(i=0;i<n;i++) { |
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| 7675 | bpr | 235 | xi=rint(i*xv); yi=rint(i*yv); |
| 236 | gdImageLine(image,pm->p[0]+xi,pm->p[1]+yi,pm->p[2]+xi,pm->p[3]+yi, |
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| 237 | pm->color[0]); |
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| 238 | if(vimg_enable) vimg_line(scale_buf[0]+i*(scale_buf[4]-transx), |
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| 239 | scale_buf[1]+i*(scale_buf[5]-transy), |
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| 240 | scale_buf[2]+i*(scale_buf[4]-transx), |
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| 241 | scale_buf[3]+i*(scale_buf[5]-transy)); |
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| 10 | reyssat | 242 | } |
| 243 | } |
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| 244 | |||
| 7675 | bpr | 245 | /* rectangle */ |
| 10 | reyssat | 246 | void obj_rect(objparm *pm) |
| 247 | { |
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| 248 | int x1,y1,x2,y2; |
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| 249 | scale(pm->pd,pm->p,2); |
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| 250 | x1=min(pm->p[0],pm->p[2]); x2=max(pm->p[0],pm->p[2]); |
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| 251 | y1=min(pm->p[1],pm->p[3]); y2=max(pm->p[1],pm->p[3]); |
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| 252 | if(pm->fill) |
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| 253 | gdImageFilledRectangle(image,x1,y1,x2,y2,pm->color[0]); |
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| 254 | else |
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| 255 | gdImageRectangle(image,x1,y1,x2,y2,pm->color[0]); |
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| 1024 | bpr | 256 | if(vimg_enable) vimg_rect(scale_buf[0],scale_buf[1],scale_buf[2],scale_buf[3]); |
| 10 | reyssat | 257 | } |
| 258 | |||
| 7675 | bpr | 259 | /* square */ |
| 10 | reyssat | 260 | void obj_square(objparm *pm) |
| 261 | { |
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| 262 | int w,h; |
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| 263 | scale(pm->pd,pm->p,1); |
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| 264 | w=rint(pm->pd[2]); h=rint(pm->pd[2]); |
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| 265 | if(pm->fill) |
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| 266 | gdImageFilledRectangle(image,pm->p[0],pm->p[1], |
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| 7675 | bpr | 267 | pm->p[0]+w,pm->p[1]+h,pm->color[0]); |
| 10 | reyssat | 268 | else |
| 269 | gdImageRectangle(image,pm->p[0],pm->p[1], |
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| 7675 | bpr | 270 | pm->p[0]+w,pm->p[1]+h,pm->color[0]); |
| 1024 | bpr | 271 | if(vimg_enable) vimg_rect(scale_buf[0],scale_buf[1], |
| 7675 | bpr | 272 | scale_buf[0]+pm->pd[2],scale_buf[1]+pm->pd[2]); |
| 10 | reyssat | 273 | } |
| 274 | |||
| 7675 | bpr | 275 | /* triangle */ |
| 10 | reyssat | 276 | void obj_triangle(objparm *pm) |
| 277 | { |
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| 278 | scale(pm->pd,pm->p,3); |
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| 279 | if(pm->fill) |
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| 280 | gdImageFilledPolygon(image,(gdPointPtr) pm->p,3,pm->color[0]); |
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| 281 | else |
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| 282 | gdImagePolygon(image,(gdPointPtr) pm->p,3,pm->color[0]); |
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| 1024 | bpr | 283 | if(vimg_enable) vimg_polyline(scale_buf,3,1); |
| 10 | reyssat | 284 | } |
| 285 | |||
| 7675 | bpr | 286 | /* polygon */ |
| 10 | reyssat | 287 | void obj_poly(objparm *pm) |
| 288 | { |
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| 289 | int cnt; |
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| 290 | cnt=(pm->pcnt)/2; |
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| 291 | scale(pm->pd,pm->p,cnt); |
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| 292 | if(pm->fill) |
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| 293 | gdImageFilledPolygon(image,(gdPointPtr) pm->p,cnt,pm->color[0]); |
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| 294 | else |
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| 295 | gdImagePolygon(image,(gdPointPtr) pm->p,cnt,pm->color[0]); |
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| 1024 | bpr | 296 | if(vimg_enable) vimg_polyline(scale_buf,cnt,1); |
| 10 | reyssat | 297 | } |
| 298 | |||
| 7675 | bpr | 299 | /* rays */ |
| 10 | reyssat | 300 | void obj_rays(objparm *pm) |
| 301 | { |
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| 302 | int i, n; |
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| 303 | n=(pm->pcnt)/2; |
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| 304 | scale(pm->pd,pm->p,n); |
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| 1024 | bpr | 305 | for(i=2;i<2*n;i+=2) { |
| 7675 | bpr | 306 | gdImageLine(image,pm->p[0],pm->p[1],pm->p[i],pm->p[i+1],pm->color[0]); |
| 307 | if(vimg_enable) vimg_line(scale_buf[0],scale_buf[1], |
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| 308 | scale_buf[i],scale_buf[i+1]); |
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| 1024 | bpr | 309 | } |
| 10 | reyssat | 310 | } |
| 311 | |||
| 7675 | bpr | 312 | /* segments */ |
| 10 | reyssat | 313 | void obj_lines(objparm *pm) |
| 314 | { |
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| 315 | int i, n; |
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| 316 | n=(pm->pcnt)/2; |
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| 317 | scale(pm->pd,pm->p,n); |
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| 7615 | bpr | 318 | for(i=2;i<2*n;i+=2) |
| 10 | reyssat | 319 | gdImageLine(image,pm->p[i-2],pm->p[i-1],pm->p[i],pm->p[i+1],pm->color[0]); |
| 1024 | bpr | 320 | if(vimg_enable) vimg_polyline(scale_buf,n,0); |
| 10 | reyssat | 321 | } |
| 322 | |||
| 7675 | bpr | 323 | /* segments */ |
| 10 | reyssat | 324 | void obj_dlines(objparm *pm) |
| 325 | { |
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| 326 | int i, n; |
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| 327 | n=(pm->pcnt)/2; |
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| 328 | scale(pm->pd,pm->p,n); |
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| 329 | for(i=2;i<2*n;i+=2) |
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| 330 | 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 | 331 | if(vimg_enable) vimg_polyline(scale_buf,n,0); |
| 10 | reyssat | 332 | } |
| 333 | |||
| 7675 | bpr | 334 | /* points */ |
| 10 | reyssat | 335 | void obj_points(objparm *pm) |
| 336 | { |
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| 337 | int i, n; |
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| 338 | n=(pm->pcnt)/2; |
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| 339 | scale(pm->pd,pm->p,n); |
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| 340 | for(i=0;i<2*n;i+=2) |
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| 341 | gdImageSetPixel(image,pm->p[i],pm->p[i+1],pm->color[0]); |
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| 342 | } |
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| 343 | |||
| 7675 | bpr | 344 | /* lattice. |
| 345 | * x0,y0,xv1,yv1,xv2,yv2,n1,n2,color */ |
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| 10 | reyssat | 346 | void obj_lattice(objparm *pm) |
| 347 | { |
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| 348 | int n1,n2,i1,i2,xi1,yi1,xi2,yi2; |
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| 349 | double xv1,xv2,yv1,yv2; |
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| 350 | n1=pm->pd[6];n2=pm->pd[7]; if(n1<0 || n2<0) return; |
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| 351 | if(n1>256) n1=256; if(n2>256) n2=256; |
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| 352 | scale(pm->pd,pm->p,1); |
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| 353 | scale2(pm->pd[2],pm->pd[3],&xv1,&yv1); |
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| 354 | scale2(pm->pd[4],pm->pd[5],&xv2,&yv2); |
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| 355 | for(i1=0;i1<n1;i1++) { |
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| 7675 | bpr | 356 | xi1=rint(i1*xv1)+pm->p[0]; yi1=rint(i1*yv1)+pm->p[1]; |
| 357 | for(i2=0;i2<n2;i2++) { |
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| 358 | xi2=i2*xv2+xi1;yi2=i2*yv2+yi1; |
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| 359 | gdImageSetPixel(image,xi2,yi2,pm->color[0]); |
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| 360 | } |
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| 10 | reyssat | 361 | } |
| 362 | } |
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| 363 | |||
| 7675 | bpr | 364 | /* arc */ |
| 10 | reyssat | 365 | void obj_arc(objparm *pm) |
| 366 | { |
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| 367 | scale(pm->pd,pm->p,1); |
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| 368 | pm->p[2]=rint(pm->pd[2]*xscale); pm->p[3]=rint(pm->pd[3]*yscale); |
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| 369 | gdImageArc(image,pm->p[0],pm->p[1],pm->p[2],pm->p[3], |
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| 7675 | bpr | 370 | pm->pd[4],pm->pd[5],pm->color[0]); |
| 1024 | bpr | 371 | if(vimg_enable) vimg_arc(scale_buf[0],scale_buf[1], |
| 7675 | bpr | 372 | 0.5*pm->pd[2],0.5*pm->pd[3],pm->pd[4],pm->pd[5]); |
| 10 | reyssat | 373 | } |
| 374 | |||
| 7675 | bpr | 375 | /* Ellipse: centre 0,1, width 2, hight 3, color 4,5,6 */ |
| 10 | reyssat | 376 | void obj_ellipse(objparm *pm) |
| 377 | { |
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| 378 | scale(pm->pd,pm->p,1); |
||
| 379 | pm->p[2]=rint(pm->pd[2]*xscale); pm->p[3]=rint(pm->pd[3]*yscale); |
||
| 380 | if(pm->fill) { |
||
| 7675 | bpr | 381 | gdImageArc(image,pm->p[0],pm->p[1],pm->p[2],pm->p[3],0,360, |
| 382 | color_bounder); |
||
| 8162 | bpr | 383 | patchgdImageFillToBorder(image,pm->p[0],pm->p[1], |
| 7675 | bpr | 384 | color_bounder,pm->color[0]); |
| 10 | reyssat | 385 | } |
| 386 | gdImageArc(image,pm->p[0],pm->p[1],pm->p[2],pm->p[3],0,360,pm->color[0]); |
||
| 1024 | bpr | 387 | if(vimg_enable) vimg_ellipse(scale_buf[0],scale_buf[1],0.5*pm->pd[2],0.5*pm->pd[3]); |
| 10 | reyssat | 388 | } |
| 389 | |||
| 7675 | bpr | 390 | /* Circle */ |
| 10 | reyssat | 391 | void obj_circle(objparm *pm) |
| 392 | { |
||
| 393 | scale(pm->pd,pm->p,1); |
||
| 394 | pm->p[2]=rint(pm->pd[2]); pm->p[3]=rint(pm->pd[2]); |
||
| 395 | if(pm->fill) { |
||
| 7675 | bpr | 396 | gdImageArc(image,pm->p[0],pm->p[1],pm->p[2],pm->p[3],0,360, |
| 397 | color_bounder); |
||
| 8162 | bpr | 398 | patchgdImageFillToBorder(image,pm->p[0],pm->p[1], |
| 7675 | bpr | 399 | color_bounder,pm->color[0]); |
| 10 | reyssat | 400 | } |
| 401 | gdImageArc(image,pm->p[0],pm->p[1],pm->p[2],pm->p[3],0,360,pm->color[0]); |
||
| 402 | } |
||
| 403 | |||
| 7675 | bpr | 404 | /* flood fill */ |
| 10 | reyssat | 405 | void obj_fill(objparm *pm) |
| 406 | { |
||
| 407 | scale(pm->pd,pm->p,1); |
||
| 8162 | bpr | 408 | patchgdImageFill(image,pm->p[0],pm->p[1],pm->color[0]); |
| 10 | reyssat | 409 | } |
| 410 | |||
| 7675 | bpr | 411 | /* flood fill to border*/ |
| 10 | reyssat | 412 | void obj_fillb(objparm *pm) |
| 413 | { |
||
| 414 | scale(pm->pd,pm->p,1); |
||
| 8162 | bpr | 415 | patchgdImageFillToBorder(image,pm->p[0],pm->p[1],pm->color[0],pm->color[1]); |
| 10 | reyssat | 416 | } |
| 417 | |||
| 418 | gdImagePtr himg; |
||
| 419 | |||
| 420 | int makehatchimage(int x, int y, int px, int py, int col) |
||
| 421 | { |
||
| 422 | int c1,c2,r,g,b; |
||
| 423 | gdImagePtr saveimg; |
||
| 424 | himg=gdImageCreate(x,y); |
||
| 425 | c1=gdImageGetPixel(image,px,py); |
||
| 426 | r=gdImageRed(image,c1); g=gdImageGreen(image,c1); b=gdImageBlue(image,c1); |
||
| 427 | if(r>=255) r--; else r++; if(g>=255) g--; else g++; if(b>=255) b--; else b++; |
||
| 428 | c1=gdImageColorAllocate(himg,r,g,b); |
||
| 429 | r=gdImageRed(image,col); g=gdImageGreen(image,col); b=gdImageBlue(image,col); |
||
| 430 | c2=gdImageColorAllocate(himg,r,g,b); |
||
| 431 | if(width>1) { |
||
| 7675 | bpr | 432 | savew=-1; saveimg=image; |
| 433 | image=himg; c2=widthcolor(width,c2); image=saveimg; |
||
| 434 | c2=gdBrushed; savew=-1; |
||
| 10 | reyssat | 435 | } |
| 436 | return c2; |
||
| 437 | } |
||
| 438 | |||
| 7675 | bpr | 439 | /* flood fill with hatching */ |
| 10 | reyssat | 440 | void obj_hatchfill(objparm *pm) |
| 441 | { |
||
| 442 | int nx,ny,ax,ay, dir, c; |
||
| 443 | scale(pm->pd,pm->p,1); |
||
| 444 | nx=pm->pd[2]; ny=pm->pd[3]; ax=abs(nx); ay=abs(ny); |
||
| 445 | if(nx==0 && ny==0) {error("bad displacement vector"); return;} |
||
| 446 | if((nx>0 && ny>0) || (nx<0 && ny<0)) dir=1; else dir=-1; |
||
| 447 | if(ax==0) {ax=100; dir=2;} |
||
| 448 | if(ay==0) {ay=100; dir=3;} |
||
| 449 | c=makehatchimage(ax,ay,pm->p[0],pm->p[1],pm->color[0]); |
||
| 450 | switch(dir) { |
||
| 7675 | bpr | 451 | case -1: { |
| 452 | gdImageLine(himg,0,ay-1,ax-1,0,c); |
||
| 453 | if(width>1) { |
||
| 454 | gdImageLine(himg,-ax,ay-1,-1,0,c); |
||
| 455 | gdImageLine(himg,ax,ay-1,2*ax-1,0,c); |
||
| 456 | gdImageLine(himg,0,-1,ax-1,-ay,c); |
||
| 457 | gdImageLine(himg,0,2*ay-1,ax-1,ay,c); |
||
| 458 | } |
||
| 459 | break; |
||
| 460 | } |
||
| 461 | case 1: { |
||
| 462 | gdImageLine(himg,0,0,ax-1,ay-1,c); |
||
| 463 | if(width>1) { |
||
| 464 | gdImageLine(himg,-ax,0,-1,ay-1,c); |
||
| 465 | gdImageLine(himg,ax,0,2*ax-1,ay-1,c); |
||
| 466 | gdImageLine(himg,0,-ay,ax-1,-1,c); |
||
| 467 | gdImageLine(himg,0,ay,ax-1,2*ay-1,c); |
||
| 468 | } |
||
| 469 | break; |
||
| 470 | } |
||
| 471 | case 2: gdImageLine(himg,0,ay/2,ax-1,ay/2,c); break; |
||
| 472 | case 3: gdImageLine(himg,ax/2,0,ax/2,ay-1,c); break; |
||
| 10 | reyssat | 473 | } |
| 474 | gdImageSetTile(image,himg); |
||
| 8162 | bpr | 475 | patchgdImageFill(image,pm->p[0],pm->p[1],gdTiled); |
| 10 | reyssat | 476 | gdImageDestroy(himg); |
| 477 | if(tiled) gdImageSetTile(image,tileimg); |
||
| 478 | } |
||
| 479 | |||
| 7675 | bpr | 480 | /* flood fill with grid */ |
| 10 | reyssat | 481 | void obj_gridfill(objparm *pm) |
| 482 | { |
||
| 483 | int nx,ny, c; |
||
| 484 | scale(pm->pd,pm->p,1); |
||
| 485 | nx=pm->pd[2]; ny=pm->pd[3]; nx=abs(nx); ny=abs(ny); |
||
| 486 | if(nx==0 && ny==0) {error("bad grid size"); return;} |
||
| 487 | c=makehatchimage(nx,ny,pm->p[0],pm->p[1],pm->color[0]); |
||
| 488 | gdImageLine(himg,0,ny/2,nx-1,ny/2,c); gdImageLine(himg,nx/2,0,nx/2,ny-1,c); |
||
| 489 | gdImageSetTile(image,himg); |
||
| 8162 | bpr | 490 | patchgdImageFill(image,pm->p[0],pm->p[1],gdTiled); |
| 10 | reyssat | 491 | gdImageDestroy(himg); |
| 492 | if(tiled) gdImageSetTile(image,tileimg); |
||
| 493 | } |
||
| 494 | |||
| 7675 | bpr | 495 | /* flood fill with double hatching */ |
| 10 | reyssat | 496 | void obj_diafill(objparm *pm) |
| 497 | { |
||
| 498 | int nx,ny, c; |
||
| 499 | scale(pm->pd,pm->p,1); |
||
| 500 | nx=pm->pd[2]; ny=pm->pd[3]; nx=abs(nx); ny=abs(ny); |
||
| 501 | if(nx==0 && ny==0) {error("bad grid size"); return;} |
||
| 502 | c=makehatchimage(nx,ny,pm->p[0],pm->p[1],pm->color[0]); |
||
| 503 | gdImageLine(himg,0,0,nx-1,ny-1,c); gdImageLine(himg,0,ny-1,nx-1,0,c); |
||
| 504 | gdImageSetTile(image,himg); |
||
| 8162 | bpr | 505 | patchgdImageFill(image,pm->p[0],pm->p[1],gdTiled); |
| 10 | reyssat | 506 | gdImageDestroy(himg); |
| 507 | if(tiled) gdImageSetTile(image,tileimg); |
||
| 508 | } |
||
| 509 | |||
| 7675 | bpr | 510 | /* flood fill with double hatching */ |
| 10 | reyssat | 511 | void obj_dotfill(objparm *pm) |
| 512 | { |
||
| 513 | int nx,ny, c; |
||
| 514 | scale(pm->pd,pm->p,1); |
||
| 515 | nx=pm->pd[2]; ny=pm->pd[3]; nx=abs(nx); ny=abs(ny); |
||
| 516 | if(nx==0 && ny==0) {error("bad grid size"); return;} |
||
| 517 | c=makehatchimage(nx,ny,pm->p[0],pm->p[1],pm->color[0]); |
||
| 518 | gdImageSetPixel(himg,nx/2,ny/2,c); |
||
| 519 | gdImageSetTile(image,himg); |
||
| 8162 | bpr | 520 | patchgdImageFill(image,pm->p[0],pm->p[1],gdTiled); |
| 10 | reyssat | 521 | gdImageDestroy(himg); |
| 522 | if(tiled) gdImageSetTile(image,tileimg); |
||
| 523 | } |
||
| 524 | |||
| 525 | struct { |
||
| 526 | char *name; |
||
| 527 | gdFontPtr *fpt; |
||
| 528 | } fonttab[]={ |
||
| 7675 | bpr | 529 | {"tiny", &gdFontTiny}, |
| 530 | {"small", &gdFontSmall}, |
||
| 10 | reyssat | 531 | {"medium",&gdFontMediumBold}, |
| 7675 | bpr | 532 | {"large", &gdFontLarge}, |
| 533 | {"giant", &gdFontGiant}, |
||
| 534 | {"huge", &gdFontGiant} |
||
| 10 | reyssat | 535 | }; |
| 536 | |||
| 537 | #define fonttab_no (sizeof(fonttab)/sizeof(fonttab[0])) |
||
| 538 | |||
| 7675 | bpr | 539 | /* string */ |
| 10 | reyssat | 540 | void obj_string(objparm *pm) |
| 541 | { |
||
| 542 | char *pp, *pe, *p2; |
||
| 543 | int i; |
||
| 544 | pp=pm->str; pe=strchr(pp,','); if(pe==NULL) { |
||
| 7675 | bpr | 545 | error("too_few_parms"); return; |
| 10 | reyssat | 546 | } |
| 547 | *pe++=0; pp=find_word_start(pp); *find_word_end(pp)=0; |
||
| 548 | pe=find_word_start(pe); strip_trailing_spaces(pe); |
||
| 549 | if(*pp) { |
||
| 7675 | bpr | 550 | for(i=0;i<fonttab_no && strcmp(pp,fonttab[i].name)!=0; i++); |
| 551 | if(i>=fonttab_no) i=1; |
||
| 10 | reyssat | 552 | } |
| 553 | else i=1; |
||
| 554 | scale(pm->pd,pm->p,1); |
||
| 555 | if(*pe=='"') { |
||
| 7675 | bpr | 556 | p2=strchr(pe+1,'"'); |
| 557 | if(p2 && *(p2+1)==0) {*p2=0; pe++;} |
||
| 10 | reyssat | 558 | } |
| 559 | if(pm->fill) |
||
| 7615 | bpr | 560 | gdImageStringUp(image,*(fonttab[i].fpt),pm->p[0],pm->p[1], (unsigned char*) pe, |
| 7675 | bpr | 561 | pm->color[0]); |
| 10 | reyssat | 562 | else |
| 7615 | bpr | 563 | gdImageString(image,*(fonttab[i].fpt),pm->p[0],pm->p[1], (unsigned char*) pe, |
| 7675 | bpr | 564 | pm->color[0]); |
| 10 | reyssat | 565 | } |
| 566 | |||
| 7675 | bpr | 567 | /* point */ |
| 10 | reyssat | 568 | void obj_point(objparm *pm) |
| 569 | { |
||
| 570 | scale(pm->pd,pm->p,1); |
||
| 571 | gdImageSetPixel(image,pm->p[0],pm->p[1],pm->color[0]); |
||
| 572 | } |
||
| 573 | |||
| 7675 | bpr | 574 | /* copy an image file */ |
| 10 | reyssat | 575 | void obj_copy(objparm *pm) |
| 576 | { |
||
| 577 | char *pp; |
||
| 578 | FILE *inf; |
||
| 7675 | bpr | 579 | gdImagePtr insimg; |
| 7615 | bpr | 580 | |
| 10 | reyssat | 581 | pp=find_word_start(pm->str);*find_word_end(pp)=0; |
| 582 | inf=open4read(pp); |
||
| 583 | if(inf==NULL) { |
||
| 7675 | bpr | 584 | error("file_not_exist"); return; |
| 10 | reyssat | 585 | } |
| 586 | insimg=gdImageCreateFromGif(inf); fclose(inf); |
||
| 587 | if(insimg==NULL) { |
||
| 7675 | bpr | 588 | error("bad_gif"); return; |
| 10 | reyssat | 589 | } |
| 590 | scale(pm->pd,pm->p,1); |
||
| 7615 | bpr | 591 | if(pm->pd[2]<0 && pm->pd[3]<0 && pm->pd[4]<0 && pm->pd[5]<0) |
| 10 | reyssat | 592 | gdImageCopy(image,insimg,pm->p[0],pm->p[1],0,0, |
| 7675 | bpr | 593 | insimg->sx,insimg->sy); |
| 10 | reyssat | 594 | else |
| 595 | gdImageCopy(image,insimg,pm->p[0],pm->p[1],pm->pd[2],pm->pd[3], |
||
| 7675 | bpr | 596 | pm->pd[4]-pm->pd[2],pm->pd[5]-pm->pd[3]); |
| 10 | reyssat | 597 | gdImageDestroy(insimg); |
| 598 | } |
||
| 599 | |||
| 7675 | bpr | 600 | /* copy an image file, with resizing */ |
| 10 | reyssat | 601 | void obj_copyresize(objparm *pm) |
| 602 | { |
||
| 603 | char *pp; |
||
| 604 | FILE *inf; |
||
| 7675 | bpr | 605 | gdImagePtr insimg; |
| 7615 | bpr | 606 | |
| 10 | reyssat | 607 | pp=find_word_start(pm->str);*find_word_end(pp)=0; |
| 608 | inf=open4read(pp); |
||
| 609 | if(inf==NULL) { |
||
| 7675 | bpr | 610 | error("file_not_found"); return; |
| 10 | reyssat | 611 | } |
| 612 | insimg=gdImageCreateFromGif(inf); fclose(inf); |
||
| 613 | if(insimg==NULL) { |
||
| 7675 | bpr | 614 | error("bad_gif"); return; |
| 10 | reyssat | 615 | } |
| 616 | scale(pm->pd+4,pm->p+4,2); |
||
| 7615 | bpr | 617 | if(pm->pd[0]<0 && pm->pd[1]<0 && pm->pd[2]<0 && pm->pd[3]<0) |
| 10 | reyssat | 618 | gdImageCopyResized(image,insimg,pm->p[4],pm->p[5],0,0, |
| 7675 | bpr | 619 | pm->p[6]-pm->p[4]+1,pm->p[7]-pm->p[5]+1, |
| 620 | insimg->sx,insimg->sy); |
||
| 10 | reyssat | 621 | else |
| 622 | gdImageCopyResized(image,insimg,pm->p[4],pm->p[5],pm->pd[0],pm->pd[1], |
||
| 7675 | bpr | 623 | pm->p[6]-pm->p[4]+1,pm->p[7]-pm->p[5]+1, |
| 624 | pm->pd[2]-pm->pd[0]+1,pm->pd[3]-pm->pd[1]+1); |
||
| 10 | reyssat | 625 | gdImageDestroy(insimg); |
| 626 | } |
||
| 627 | |||
| 7675 | bpr | 628 | /* set brush or tile */ |
| 10 | reyssat | 629 | void obj_setbrush(objparm *pm) |
| 630 | { |
||
| 631 | char *pp; |
||
| 632 | FILE *inf; |
||
| 633 | gdImagePtr insimg; |
||
| 634 | |||
| 635 | pp=find_word_start(pm->str); *find_word_end(pp)=0; |
||
| 636 | inf=open4read(pp); if(inf==NULL) { |
||
| 7675 | bpr | 637 | error("file_not_found"); return; |
| 10 | reyssat | 638 | } |
| 639 | insimg=gdImageCreateFromGif(inf); fclose(inf); |
||
| 640 | if(insimg==NULL) { |
||
| 7675 | bpr | 641 | error("bad_gif"); return; |
| 10 | reyssat | 642 | } |
| 643 | if(pm->fill) { |
||
| 7675 | bpr | 644 | gdImageSetTile(image,insimg); tiled=1; tileimg=insimg; |
| 10 | reyssat | 645 | } |
| 646 | else { |
||
| 7675 | bpr | 647 | gdImageSetBrush(image,insimg);brushed=1; brushimg=insimg; |
| 10 | reyssat | 648 | } |
| 649 | } |
||
| 650 | |||
| 7675 | bpr | 651 | /* kill brush */ |
| 10 | reyssat | 652 | void obj_killbrush(objparm *pm) |
| 653 | { |
||
| 654 | if(brushimg) gdImageDestroy(brushimg); |
||
| 655 | brushed=0; brushimg=NULL; |
||
| 656 | } |
||
| 657 | |||
| 7675 | bpr | 658 | /* kill tile */ |
| 10 | reyssat | 659 | void obj_killtile(objparm *pm) |
| 660 | { |
||
| 661 | if(tileimg) gdImageDestroy(tileimg); |
||
| 662 | tiled=0; tileimg=NULL; |
||
| 663 | } |
||
| 664 | |||
| 7675 | bpr | 665 | /* set style */ |
| 10 | reyssat | 666 | void obj_setstyle(objparm *pm) |
| 667 | { |
||
| 668 | int i,t; |
||
| 669 | t=pm->pcnt/3; if(t<=0) { |
||
| 7675 | bpr | 670 | error("too_few_parms"); return; |
| 10 | reyssat | 671 | } |
| 672 | for(i=0;i<t;i++) { |
||
| 7675 | bpr | 673 | if(pm->pd[3*i]<0 || pm->pd[3*i+1]<0 || pm->pd[3*i+2]<0) |
| 674 | pm->p[i]=gdTransparent; |
||
| 675 | else |
||
| 676 | pm->p[i]=getcolor(pm->pd[3*i],pm->pd[3*i+1],pm->pd[3*i+2]); |
||
| 10 | reyssat | 677 | } |
| 678 | gdImageSetStyle(image,pm->p,t); styled=1; |
||
| 679 | } |
||
| 680 | |||
| 7675 | bpr | 681 | /* kill style */ |
| 10 | reyssat | 682 | void obj_killstyle(objparm *pm) |
| 683 | { |
||
| 684 | styled=0; |
||
| 685 | } |
||
| 686 | |||
| 7675 | bpr | 687 | /* set transparent */ |
| 10 | reyssat | 688 | void obj_transp(objparm *pm) |
| 689 | { |
||
| 690 | gdImageColorTransparent(image,pm->color[0]); |
||
| 691 | } |
||
| 692 | |||
| 7675 | bpr | 693 | /* set interlace */ |
| 10 | reyssat | 694 | void obj_interlace(objparm *pm) |
| 695 | { |
||
| 696 | gdImageInterlace(image,1); |
||
| 697 | } |
||
| 698 | |||
| 7675 | bpr | 699 | /* set linewidth */ |
| 10 | reyssat | 700 | void obj_linewidth(objparm *pm) |
| 701 | { |
||
| 702 | if(pm->pd[0]<1 || pm->pd[0]>255) error("bad_parms"); |
||
| 703 | else width=pm->pd[0]; |
||
| 704 | } |
||
| 705 | |||
| 7675 | bpr | 706 | /* set x range */ |
| 10 | reyssat | 707 | void obj_xrange(objparm *pm) |
| 708 | { |
||
| 709 | double dd; |
||
| 710 | dd=pm->pd[1]-pm->pd[0]; |
||
| 711 | xstart=pm->pd[0]; xscale=sizex/dd; |
||
| 712 | } |
||
| 713 | |||
| 7675 | bpr | 714 | /* set y range */ |
| 10 | reyssat | 715 | void obj_yrange(objparm *pm) |
| 716 | { |
||
| 717 | double dd; |
||
| 718 | dd=pm->pd[1]-pm->pd[0]; |
||
| 719 | ystart=pm->pd[1]; yscale=-sizey/dd; |
||
| 720 | } |
||
| 721 | |||
| 7675 | bpr | 722 | /* set x et y range */ |
| 10 | reyssat | 723 | void obj_range(objparm *pm) |
| 724 | { |
||
| 725 | double d1,d2; |
||
| 726 | d1=pm->pd[1]-pm->pd[0]; d2=pm->pd[3]-pm->pd[2]; |
||
| 727 | xstart=pm->pd[0]; xscale=(sizex-1)/d1; |
||
| 728 | ystart=pm->pd[3]; yscale=-(sizey-1)/d2; |
||
| 729 | } |
||
| 730 | |||
| 7675 | bpr | 731 | /* set t range */ |
| 10 | reyssat | 732 | void obj_trange(objparm *pm) |
| 733 | { |
||
| 6790 | bpr | 734 | /*double dd; |
| 735 | dd=pm->pd[1]-pm->pd[0];*/ |
||
| 10 | reyssat | 736 | tstart=pm->pd[0]; tend=pm->pd[1]; |
| 737 | tranged=1; |
||
| 738 | } |
||
| 739 | |||
| 7675 | bpr | 740 | /* set tstep (plotting step) */ |
| 10 | reyssat | 741 | void obj_tstep(objparm *pm) |
| 742 | { |
||
| 743 | int dd; |
||
| 744 | dd=pm->pd[0]; |
||
| 745 | if(dd<3) { |
||
| 7675 | bpr | 746 | error("bad_step"); return; |
| 10 | reyssat | 747 | } |
| 748 | if(dd>2000) dd=2000; |
||
| 749 | tstep=dd; |
||
| 750 | } |
||
| 751 | |||
| 7675 | bpr | 752 | /* set plotjump (plot jump break threashold) */ |
| 10 | reyssat | 753 | void obj_plotjump(objparm *pm) |
| 754 | { |
||
| 755 | int dd; |
||
| 756 | dd=pm->pd[0]; |
||
| 757 | if(dd<3) dd=3; if(dd>MAX_SIZE) dd=MAX_SIZE; |
||
| 758 | plotjump=dd; |
||
| 759 | } |
||
| 760 | |||
| 7675 | bpr | 761 | /* plot a curve, either parametric or explicit */ |
| 6578 | bpr | 762 | void _obj_plot(objparm *pm,int dash) |
| 10 | reyssat | 763 | { |
| 764 | int i,j,n,dist,xx,yy,varpos; |
||
| 765 | char p1[MAX_LINELEN+1], p2[MAX_LINELEN+1]; |
||
| 766 | char *varn, *pp; |
||
| 767 | double dc[2],t,v; |
||
| 768 | int ic[2],oc[2]; |
||
| 769 | |||
| 770 | n=itemnum(pm->str); |
||
| 771 | if(n<1) { |
||
| 7675 | bpr | 772 | error("bad_parms"); return; |
| 10 | reyssat | 773 | } |
| 774 | fnd_item(pm->str,1,p1); fnd_item(pm->str,2,p2); |
||
| 775 | if(n==1 && !tranged) v=sizex/xscale/tstep; |
||
| 776 | else v=(tend-tstart)/tstep; |
||
| 777 | if(n==1) varn="x"; else varn="t"; |
||
| 778 | for(pp=varchr(p1,varn); pp; pp=varchr(pp,varn)) { |
||
| 7675 | bpr | 779 | string_modify(p1,pp,pp+strlen(varn),EV_T); |
| 780 | pp+=strlen(EV_T); |
||
| 10 | reyssat | 781 | } |
| 782 | for(pp=varchr(p2,varn); pp; pp=varchr(pp,varn)) { |
||
| 7675 | bpr | 783 | string_modify(p2,pp,pp+strlen(varn),EV_T); |
| 784 | pp+=strlen(EV_T); |
||
| 10 | reyssat | 785 | } |
| 786 | varpos=eval_getpos(EV_T); |
||
| 787 | if(varpos<0) return; /* unknown error */ |
||
| 788 | evalue_compile(p1); evalue_compile(p2); |
||
| 1024 | bpr | 789 | if(vimg_enable) vimg_plotstart(); |
| 10 | reyssat | 790 | for(i=j=0;i<=tstep;i++) { |
| 7675 | bpr | 791 | if(n==1) { |
| 792 | if(tranged) t=tstart+i*v; else t=xstart+i*v; |
||
| 8076 | bpr | 793 | eval_setval(varpos,t); dc[0]=t; dc[1]=strevalue(p1); |
| 7675 | bpr | 794 | } |
| 795 | else { |
||
| 796 | t=tstart+i*v; eval_setval(varpos,t); |
||
| 8076 | bpr | 797 | dc[0]=strevalue(p1); dc[1]=strevalue(p2); |
| 7675 | bpr | 798 | } |
| 8171 | bpr | 799 | if(!isfinite(dc[0]) || !isfinite(dc[1])) ic[0]=ic[1]=-BOUND; |
| 7675 | bpr | 800 | else scale(dc,ic,1); |
| 801 | if(vimg_enable) vimg_plot1 (scale_buf[0],scale_buf[1]); |
||
| 802 | if(j==0) { |
||
| 803 | gdImageSetPixel(image,ic[0],ic[1],pm->color[0]); j++; |
||
| 804 | } |
||
| 805 | else { |
||
| 806 | xx=ic[0]-oc[0]; yy=ic[1]-oc[1]; |
||
| 807 | dist=sqrt(xx*xx+yy*yy); |
||
| 808 | if(dist>0) { |
||
| 809 | if(dist>plotjump || dist==1) |
||
| 810 | gdImageSetPixel(image,ic[0],ic[1],pm->color[0]); |
||
| 811 | else |
||
| 812 | if ( dash==1) { |
||
| 813 | gdImageDashedLine(image,oc[0],oc[1],ic[0],ic[1],pm->color[0]); |
||
| 814 | } else |
||
| 815 | {gdImageLine(image,oc[0],oc[1],ic[0],ic[1],pm->color[0]); } |
||
| 7615 | bpr | 816 | |
| 7675 | bpr | 817 | } |
| 818 | } |
||
| 819 | memmove(oc,ic,sizeof(oc)); |
||
| 10 | reyssat | 820 | } |
| 1024 | bpr | 821 | if(vimg_enable) vimg_plotend(); |
| 10 | reyssat | 822 | } |
| 823 | |||
| 6578 | bpr | 824 | void obj_plot(objparm *pm) { _obj_plot( pm,0) ;} |
| 825 | void obj_dplot(objparm *pm) { _obj_plot( pm,1) ; } |
||
| 826 | |||
| 7675 | bpr | 827 | /* set levelcurve granularity */ |
| 10 | reyssat | 828 | void obj_levelstep(objparm *pm) |
| 829 | { |
||
| 830 | int dd; |
||
| 831 | dd=pm->pd[0]; |
||
| 832 | if(dd<1) return; if(dd>16) dd=16; |
||
| 833 | lstep=dd; |
||
| 834 | } |
||
| 835 | |||
| 7675 | bpr | 836 | /* level curve */ |
| 10 | reyssat | 837 | void obj_levelcurve(objparm *pm) |
| 838 | { |
||
| 839 | char fn[MAX_LINELEN+1],tc[MAX_LINELEN+1]; |
||
| 840 | int n,i; |
||
| 841 | double d; |
||
| 842 | leveldata *ld; |
||
| 7615 | bpr | 843 | |
| 10 | reyssat | 844 | ld=xmalloc(sizeof(leveldata)+16); |
| 845 | ld->xname="x"; ld->yname="y"; |
||
| 846 | ld->xsize=sizex; ld->ysize=sizey; ld->datacnt=0; |
||
| 847 | ld->xrange[0]=xstart; ld->xrange[1]=sizex/xscale+xstart; |
||
| 848 | ld->yrange[0]=sizey/yscale+ystart; ld->yrange[1]=ystart; |
||
| 849 | ld->grain=lstep; |
||
| 850 | fnd_item(pm->str,1,fn); ld->fn=fn; |
||
| 851 | n=itemnum(pm->str); |
||
| 852 | if(n<=1) {ld->levelcnt=1; ld->levels[0]=0;} |
||
| 853 | else { |
||
| 7675 | bpr | 854 | if(n>LEVEL_LIM+1) n=LEVEL_LIM+1; |
| 855 | for(i=0;i<n-1;i++) { |
||
| 856 | fnd_item(pm->str,i+2,tc); |
||
| 8076 | bpr | 857 | d=strevalue(tc); |
| 8171 | bpr | 858 | if(isfinite(d)) ld->levels[i]=d; else ld->levels[i]=0; |
| 7675 | bpr | 859 | } |
| 860 | ld->levelcnt=n-1; |
||
| 10 | reyssat | 861 | } |
| 862 | levelcurve(ld); |
||
| 863 | for(i=0;i<ld->datacnt;i++) { |
||
| 7675 | bpr | 864 | gdImageSetPixel(image,ld->xdata[i],ld->ydata[i],pm->color[0]); |
| 10 | reyssat | 865 | } |
| 866 | free(ld); |
||
| 867 | } |
||
| 868 | |||
| 7675 | bpr | 869 | /* set animation step */ |
| 10 | reyssat | 870 | void obj_animstep(objparm *pm) |
| 871 | { |
||
| 872 | animstep=pm->pd[0]; |
||
| 873 | setvar("animstep",pm->pd[0]); |
||
| 874 | } |
||
| 875 | |||
| 7675 | bpr | 876 | /* Starts a line counting */ |
| 10 | reyssat | 877 | void obj_linecount(objparm *pm) |
| 878 | { |
||
| 879 | linecnt=pm->pd[0]; |
||
| 880 | } |
||
| 881 | |||
| 7675 | bpr | 882 | /* marks end of execution */ |
| 10 | reyssat | 883 | void obj_end(objparm *pm) |
| 884 | { |
||
| 885 | error("successful_end_of_execution"); |
||
| 886 | } |
||
| 887 | |||
| 7675 | bpr | 888 | /* output */ |
| 10 | reyssat | 889 | void obj_output(objparm *pm) |
| 890 | { |
||
| 891 | char *p, namebuf[1024]; |
||
| 892 | p=find_word_start(pm->str); *find_word_end(p)=0; |
||
| 893 | snprintf(namebuf,sizeof(namebuf),"%s",imagefilename); |
||
| 894 | snprintf(imagefilename,sizeof(imagefilename),"%s",p); |
||
| 895 | output(); |
||
| 896 | snprintf(imagefilename,sizeof(imagefilename),"%s",namebuf); |
||
| 897 | } |
||
| 898 | |||
| 7675 | bpr | 899 | /* vimgfile */ |
| 1024 | bpr | 900 | void obj_vimgfile(objparm *pm) |
| 901 | { |
||
| 902 | char *p; |
||
| 903 | p=find_word_start(pm->str); *find_word_end(p)=0; |
||
| 904 | snprintf(vimgfilename,sizeof(vimgfilename),"%s",p); |
||
| 905 | if(vimg_ready) vimg_close(); |
||
| 906 | } |
||
| 907 | |||
| 7675 | bpr | 908 | /* vimg enable/disable */ |
| 1024 | bpr | 909 | void obj_vimg(objparm *pm) |
| 910 | { |
||
| 911 | vimg_enable=pm->pd[0]; |
||
| 912 | if(vimg_enable>0 && vimg_ready==0) { |
||
| 7675 | bpr | 913 | vimg_init(); |
| 1024 | bpr | 914 | } |
| 915 | } |
||
| 916 | |||
| 7675 | bpr | 917 | /* Set affine transformation */ |
| 10 | reyssat | 918 | void obj_affine(objparm *pm) |
| 919 | { |
||
| 920 | int i; |
||
| 921 | for(i=0;i<4;i++) matrix[i]=pm->pd[i]; |
||
| 922 | transx=pm->pd[4]; transy=pm->pd[5]; |
||
| 923 | transform=1; |
||
| 924 | } |
||
| 925 | |||
| 7675 | bpr | 926 | /* Set affine transformation */ |
| 10 | reyssat | 927 | void obj_rotation(objparm *pm) |
| 928 | { |
||
| 929 | double r; |
||
| 930 | r=M_PI*pm->pd[0]/180; |
||
| 931 | matrix[0]=matrix[3]=cos(r); |
||
| 932 | matrix[1]=-sin(r); matrix[2]=sin(r); |
||
| 933 | transform=1; |
||
| 934 | } |
||
| 935 | |||
| 7675 | bpr | 936 | /* Set affine transformation */ |
| 10 | reyssat | 937 | void obj_linear(objparm *pm) |
| 938 | { |
||
| 939 | int i; |
||
| 940 | for(i=0;i<4;i++) matrix[i]=pm->pd[i]; |
||
| 941 | transform=1; |
||
| 942 | } |
||
| 943 | |||
| 7675 | bpr | 944 | /* Set affine transformation */ |
| 10 | reyssat | 945 | void obj_translation(objparm *pm) |
| 946 | { |
||
| 947 | transx=pm->pd[0]; transy=pm->pd[1]; |
||
| 948 | } |
||
| 949 | |||
| 7675 | bpr | 950 | /* Set affine transformation */ |
| 10 | reyssat | 951 | void obj_killaffine(objparm *pm) |
| 952 | { |
||
| 953 | matrix[0]=matrix[3]=1; |
||
| 954 | matrix[1]=matrix[2]=transx=transy=0; |
||
| 955 | transform=0; |
||
| 956 | } |
||
| 957 | |||
| 7675 | bpr | 958 | /* Set affine transformation */ |
| 10 | reyssat | 959 | void obj_killlinear(objparm *pm) |
| 960 | { |
||
| 961 | matrix[0]=matrix[3]=1; |
||
| 962 | matrix[1]=matrix[2]=0; |
||
| 963 | transform=0; |
||
| 964 | } |
||
| 965 | |||
| 7675 | bpr | 966 | /* Set affine transformation */ |
| 10 | reyssat | 967 | void obj_killtranslation(objparm *pm) |
| 968 | { |
||
| 969 | transx=transy=0; |
||
| 970 | } |
||
| 971 | |||
| 972 | /***** Les modifs de Jean-Christophe Leger Fev 2006 *****/ |
||
| 973 | |||
| 7615 | bpr | 974 | /* arguments: un numero de matrice entre 1 et JC_NB_MATRICES, une liste de 4 nombres reels pour la matrice */ |
| 10 | reyssat | 975 | void obj_setmatrix(objparm *pm) |
| 976 | { |
||
| 977 | int nummatrix = (int) (pm->pd[0]); |
||
| 978 | if((nummatrix < 1) ||(nummatrix>JC_NB_MATRICES)) { |
||
| 979 | error("bad_matrix_number"); |
||
| 980 | return; |
||
| 981 | } |
||
| 982 | matrices_pavage[nummatrix][0] = pm->pd[1]; |
||
| 983 | matrices_pavage[nummatrix][1] = pm->pd[2]; |
||
| 984 | matrices_pavage[nummatrix][2] = pm->pd[3]; |
||
| 985 | matrices_pavage[nummatrix][3] = pm->pd[4]; |
||
| 986 | } |
||
| 987 | |||
| 7615 | bpr | 988 | /* arguments: un numero de matrice entre 1 et JC_NB_MATRICES */ |
| 10 | reyssat | 989 | void obj_resetmatrix(objparm *pm) |
| 990 | { |
||
| 991 | int nummatrix = (int) (pm->pd[0]); |
||
| 992 | if((nummatrix < 1) ||(nummatrix>JC_NB_MATRICES)) { |
||
| 993 | error("bad_matrix_number"); |
||
| 994 | return; |
||
| 995 | } |
||
| 996 | matrices_pavage[nummatrix][0] = 1; |
||
| 997 | matrices_pavage[nummatrix][1] = 0; |
||
| 998 | matrices_pavage[nummatrix][2] = 0; |
||
| 999 | matrices_pavage[nummatrix][3] = 1; |
||
| 1000 | |||
| 1001 | } |
||
| 7615 | bpr | 1002 | /* arguments: un numero de vecteur entre 1 et JC_NB_MATRICES, une liste de 2 nombres reels pour le vecteur */ |
| 10 | reyssat | 1003 | void obj_setvector(objparm *pm) |
| 1004 | { |
||
| 1005 | int nummatrix = (int) (pm->pd[0]); |
||
| 1006 | if((nummatrix < 1) ||(nummatrix>JC_NB_MATRICES)) { |
||
| 1007 | error("bad_vector_number"); |
||
| 1008 | return; |
||
| 1009 | } |
||
| 1010 | vecteurs_pavage[nummatrix][0] = pm->pd[1]; |
||
| 1011 | vecteurs_pavage[nummatrix][1] = pm->pd[2]; |
||
| 1012 | } |
||
| 1013 | |||
| 7615 | bpr | 1014 | /* arguments: un numero de matrice entre 1 et JC_NB_MATRICES */ |
| 10 | reyssat | 1015 | void obj_resetvector(objparm *pm) |
| 1016 | { |
||
| 1017 | int nummatrix = (int) (pm->pd[0]); |
||
| 1018 | if((nummatrix < 1) ||(nummatrix>JC_NB_MATRICES)) { |
||
| 1019 | error("bad_vector_number"); |
||
| 1020 | return; |
||
| 1021 | } |
||
| 1022 | vecteurs_pavage[nummatrix][0] = 0; |
||
| 1023 | vecteurs_pavage[nummatrix][1] = 0; |
||
| 1024 | } |
||
| 1025 | |||
| 7615 | bpr | 1026 | /* 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 | 1027 | void obj_settransform(objparm *pm) |
| 1028 | { |
||
| 1029 | int nummatrix = (int) (pm->pd[0]); |
||
| 1030 | if((nummatrix < 1) ||(nummatrix>JC_NB_MATRICES)) { |
||
| 1031 | error("bad_vector_number"); |
||
| 1032 | return; |
||
| 1033 | } |
||
| 1034 | matrices_pavage[nummatrix][0] = pm->pd[1]; |
||
| 1035 | matrices_pavage[nummatrix][1] = pm->pd[2]; |
||
| 1036 | matrices_pavage[nummatrix][2] = pm->pd[3]; |
||
| 1037 | matrices_pavage[nummatrix][3] = pm->pd[4]; |
||
| 1038 | vecteurs_pavage[nummatrix][0] = pm->pd[5]; |
||
| 1039 | vecteurs_pavage[nummatrix][1] = pm->pd[6]; |
||
| 1040 | } |
||
| 1041 | |||
| 1042 | |||
| 7615 | bpr | 1043 | /* arguments: un numero de matrice entre 1 et JC_NB_MATRICES */ |
| 10 | reyssat | 1044 | void obj_resettransform(objparm *pm) |
| 1045 | { |
||
| 1046 | int nummatrix = (int) (pm->pd[0]); |
||
| 1047 | if((nummatrix < 1) ||(nummatrix>JC_NB_MATRICES)) { |
||
| 1048 | error("bad_vector_number"); |
||
| 1049 | return; |
||
| 1050 | } |
||
| 1051 | vecteurs_pavage[nummatrix][0] = 0; |
||
| 1052 | vecteurs_pavage[nummatrix][1] = 0; |
||
| 1053 | matrices_pavage[nummatrix][0] = 1; |
||
| 1054 | matrices_pavage[nummatrix][1] = 0; |
||
| 1055 | matrices_pavage[nummatrix][2] = 0; |
||
| 1056 | matrices_pavage[nummatrix][3] = 1; |
||
| 1057 | } |
||
| 1058 | |||
| 7615 | bpr | 1059 | /* arguments: une liste de 6 nombres reels pour les coordonnees de l'origine et des vecteurs de base */ |
| 10 | reyssat | 1060 | void obj_setparallelogram(objparm *pm) |
| 1061 | { |
||
| 1062 | int i; |
||
| 1063 | for(i=0;i<6;i++) parallogram_fonda[i]=pm->pd[i]; |
||
| 1064 | } |
||
| 1065 | |||
| 1066 | /* arguments :aucun */ |
||
| 1067 | void obj_resetparallelogram(objparm *pm) |
||
| 1068 | { |
||
| 1069 | parallogram_fonda[0]=0; |
||
| 1070 | parallogram_fonda[1]=0; |
||
| 1071 | parallogram_fonda[2]=100; |
||
| 1072 | parallogram_fonda[3]=0; |
||
| 1073 | parallogram_fonda[4]=0; |
||
| 1074 | parallogram_fonda[5]=100; |
||
| 1075 | } |
||
| 1076 | |||
| 1077 | /* argument : la liste des numeros des matrices a faire agir, le nom du fichier de l'image a inclure */ |
||
| 1078 | void obj_multicopy(objparm *pm) |
||
| 1079 | { |
||
| 1080 | char *pp,*pe,*cptr; |
||
| 1081 | FILE *inf; |
||
| 7675 | bpr | 1082 | gdImagePtr insimg; |
| 10 | reyssat | 1083 | int i,j; |
| 1084 | int imax,jmax; |
||
| 1085 | int c; /* la couleur reperee */ |
||
| 1086 | int mat; |
||
| 1087 | int nummatrices[JC_NB_MATRICES]; |
||
| 1088 | double pt[2]; /* les coordonnees math. du point repere dans le parallelogramme */ |
||
| 1089 | double ptr[2]; /* les coordonnees math. du point transforme */ |
||
| 1090 | int pti[2]; /* les coordonnees img du point a placer sur le canevas */ |
||
| 1091 | int t; |
||
| 1092 | /* gestion palette de couleur de l'image a inserer */ |
||
| 1093 | int colorMap[gdMaxColors]; |
||
| 1094 | int comptmat=0; /* combien de matrices en tout ? */ |
||
| 7615 | bpr | 1095 | |
| 10 | reyssat | 1096 | for (i=0; (i<gdMaxColors); i++) { |
| 1097 | colorMap[i] = (-1); |
||
| 1098 | } |
||
| 1099 | |||
| 1100 | /* Gestion des parametres la liste est censee finir avec le nom du fichier */ |
||
| 7615 | bpr | 1101 | t=pm->pcnt-1; /* il faut enlever le nom de fichier ! c'est le nombre de parametres en plus */ |
| 10 | reyssat | 1102 | pp=find_word_start(pm->str); |
| 1103 | /* visiblement find_word_start n'arrive pas a trouver le dernier mot dans un contexte ou le nombre de parameters est variable |
||
| 1104 | * on cherche donc l'emplacement de la derniere virgule: |
||
| 1105 | * il y en a une car t>0, on retrouve ensuite le debut de mot |
||
| 1106 | */ |
||
| 1107 | for(pe=pp;*pe!=0;pe++);/* trouve la fin de la chaine */ |
||
| 1108 | if(t>0){ |
||
| 1109 | for(cptr = pe; cptr > pp && *cptr != ','; cptr--); |
||
| 1110 | pp=find_word_start(cptr+1); |
||
| 1111 | } |
||
| 1112 | pe=find_word_end(pp);*pe=0; /* strip junk final */ |
||
| 1113 | // printf("pp contient %s\n",pp); |
||
| 1114 | |||
| 1115 | |||
| 1116 | inf=open4read(pp); |
||
| 1117 | if(inf==NULL) { |
||
| 7675 | bpr | 1118 | error("file_not_exist"); return; |
| 10 | reyssat | 1119 | } |
| 1120 | insimg=gdImageCreateFromGif(inf); fclose(inf); |
||
| 1121 | if(insimg==NULL) { |
||
| 7675 | bpr | 1122 | error("bad_gif"); return; |
| 10 | reyssat | 1123 | } |
| 1124 | |||
| 7675 | bpr | 1125 | /* On recupere les numeros des matrices/vecteurs a faire agir, |
| 1126 | * s'il n'y en a pas, on les fait toutes agir |
||
| 1127 | */ |
||
| 10 | reyssat | 1128 | for(i=0;i<t && i< JC_NB_MATRICES;i++) { |
| 1129 | if(pm->pd[i]>=1 && pm->pd[i]<=JC_NB_MATRICES){ |
||
| 7675 | bpr | 1130 | nummatrices[comptmat] = pm->pd[i]; |
| 1131 | comptmat++; |
||
| 10 | reyssat | 1132 | } |
| 1133 | } |
||
| 1134 | if(t<=0){ |
||
| 1135 | for(i=0;i<JC_NB_MATRICES;i++) { |
||
| 7675 | bpr | 1136 | nummatrices[i] = i+1; |
| 10 | reyssat | 1137 | } |
| 1138 | comptmat=JC_NB_MATRICES; |
||
| 1139 | } |
||
| 1140 | |||
| 7615 | bpr | 1141 | |
| 10 | reyssat | 1142 | imax = gdImageSX(insimg); |
| 1143 | jmax = gdImageSY(insimg); |
||
| 1144 | |||
| 1145 | for(i=0;i<imax;i++){ |
||
| 1146 | for(j=0;j<jmax;j++){ |
||
| 7675 | bpr | 1147 | int nc; |
| 1148 | c=gdImageGetPixel(insimg,i,j); |
||
| 1149 | /* Le code suivant est une copie du code dans gdImageCopy Added 7/24/95: support transparent copies */ |
||
| 1150 | if (gdImageGetTransparent(insimg) != c) { |
||
| 1151 | /* Have we established a mapping for this color? */ |
||
| 1152 | if (colorMap[c] == (-1)) { |
||
| 1153 | /* If it's the same image, mapping is trivial, dans notre cas ca n'arrive jamais... */ |
||
| 1154 | if (image == insimg) { |
||
| 1155 | nc = c; |
||
| 1156 | } else { |
||
| 1157 | /* First look for an exact match */ |
||
| 1158 | nc = gdImageColorExact(image, |
||
| 1159 | insimg->red[c], insimg->green[c], |
||
| 1160 | insimg->blue[c]); |
||
| 1161 | } |
||
| 1162 | if (nc == (-1)) { |
||
| 1163 | /* No, so try to allocate it */ |
||
| 1164 | nc = gdImageColorAllocate(image, |
||
| 1165 | insimg->red[c], insimg->green[c], |
||
| 1166 | insimg->blue[c]); |
||
| 1167 | /* If we're out of colors, go for the closest color */ |
||
| 1168 | if (nc == (-1)) { |
||
| 1169 | nc = gdImageColorClosest(image, |
||
| 1170 | insimg->red[c], insimg->green[c], |
||
| 1171 | insimg->blue[c]); |
||
| 1172 | } |
||
| 1173 | } |
||
| 1174 | colorMap[c] = nc; |
||
| 1175 | } |
||
| 10 | reyssat | 1176 | |
| 7675 | bpr | 1177 | pt[0]= i*(parallogram_fonda[2])/(imax-1)+(jmax-j)*(parallogram_fonda[4])/(jmax-1)+parallogram_fonda[0]; |
| 1178 | pt[1]= i*(parallogram_fonda[3])/(imax-1)+(jmax-j)*(parallogram_fonda[5])/(jmax-1)+parallogram_fonda[1]; |
||
| 1179 | for(mat=0;mat<comptmat;mat++){ |
||
| 1180 | double *matricecourante = matrices_pavage[nummatrices[mat]]; |
||
| 1181 | double *vecteurcourant = vecteurs_pavage[nummatrices[mat]]; |
||
| 1182 | ptr[0] = matricecourante[0]*pt[0]+matricecourante[1]*pt[1]+vecteurcourant[0]; |
||
| 1183 | ptr[1] = matricecourante[2]*pt[0]+matricecourante[3]*pt[1]+vecteurcourant[1]; |
||
| 1184 | scale(ptr,pti,1); |
||
| 1185 | gdImageSetPixel(image,pti[0],pti[1],colorMap[c]); |
||
| 1186 | } |
||
| 1187 | } |
||
| 10 | reyssat | 1188 | } |
| 1189 | } |
||
| 1190 | gdImageDestroy(insimg); |
||
| 1191 | } |
||
| 1192 | |||
| 1193 | /**** Fin modifs JC Fev 06 ******/ |
||
| 1194 | |||
| 7675 | bpr | 1195 | /* get color from value */ |
| 10 | reyssat | 1196 | int calc_color(char *p, struct objtab *o) |
| 1197 | { |
||
| 1198 | int k, cc[3]; |
||
| 1199 | char buf[MAX_LINELEN+1]; |
||
| 1200 | for(k=0;k<3;k++) { |
||
| 7675 | bpr | 1201 | fnd_item(p,k+1,buf); |
| 8076 | bpr | 1202 | cc[k]=strevalue(buf); |
| 10 | reyssat | 1203 | } |
| 1204 | collapse_item(p,3); |
||
| 1205 | if(cc[0]==-1 && cc[1]==-1 && cc[2]==-255) { |
||
| 1206 | |||
| 7675 | bpr | 1207 | if(brushed && o->subst&1) return gdBrushed; |
| 1208 | else return color_black; |
||
| 10 | reyssat | 1209 | } |
| 1210 | if(cc[0]==-1 && cc[1]==-255 && cc[2]==-1) { |
||
| 7675 | bpr | 1211 | if(styled && o->subst&2) return gdStyled; |
| 1212 | else return color_black; |
||
| 10 | reyssat | 1213 | } |
| 1214 | if(cc[0]==-255 && cc[1]==-1 && cc[2]==-1) { |
||
| 7675 | bpr | 1215 | if(tiled && o->fill_tag==1) return gdTiled; |
| 1216 | else return color_black; |
||
| 10 | reyssat | 1217 | } |
| 1218 | return getcolor(cc[0],cc[1],cc[2]); |
||
| 1219 | } |
||
| 1220 | |||
| 7675 | bpr | 1221 | /* Routine to parse parameters */ |
| 10 | reyssat | 1222 | int parse_parms(char *p,objparm *pm,struct objtab *o) |
| 1223 | { |
||
| 1224 | char buf[MAX_LINELEN+1]; |
||
| 1225 | char *p1, *p2; |
||
| 1226 | int j,t,c,c1,c2; |
||
| 7615 | bpr | 1227 | |
| 10 | reyssat | 1228 | c=o->color_pos;c1=c2=0; |
| 1229 | pm->color[0]=pm->color[1]=0; |
||
| 1230 | if(c>0) c1=c; if(c<0) c2=-c; c=c1+c2; |
||
| 1231 | t=itemnum(p);if(t<o->required_parms+3*c) return -1; |
||
| 1232 | if(c1>0 && t>o->required_parms+3*c) t=o->required_parms+3*c; |
||
| 1233 | pm->pcnt=t-3*c; |
||
| 1234 | if(pm->pcnt>MAX_PARMS) pm->pcnt=MAX_PARMS; |
||
| 1235 | if(c2>0) { |
||
| 7675 | bpr | 1236 | for(j=0;j<2 && j<c2; j++) pm->color[j]=calc_color(p,o); |
| 10 | reyssat | 1237 | } |
| 1238 | snprintf(buf,sizeof(buf),"%s",p); |
||
| 1239 | for(j=0, p1=buf; j<pm->pcnt; j++, p1=p2) { |
||
| 7675 | bpr | 1240 | p2=find_item_end(p1); if(*p2) *p2++=0; |
| 1241 | p1=find_word_start(p1); |
||
| 8076 | bpr | 1242 | if(*p1) pm->pd[j]=strevalue(p1); else pm->pd[j]=0; |
| 8171 | bpr | 1243 | if(!isfinite(pm->pd[j])) { |
| 7675 | bpr | 1244 | if(j<o->required_parms) return -1; |
| 1245 | else {pm->pd[j]=0;break;} |
||
| 1246 | } |
||
| 10 | reyssat | 1247 | } |
| 1248 | collapse_item(p,o->required_parms); |
||
| 1249 | if(c1>0) { |
||
| 7675 | bpr | 1250 | for(j=0;j<c1 && j<2; j++) pm->color[j]=calc_color(p,o); |
| 10 | reyssat | 1251 | } |
| 1252 | if(width>1 && o->subst&1 && pm->color[0]!=gdBrushed |
||
| 1253 | && pm->color[0]!=gdStyled && pm->color[0]!=gdTiled) { |
||
| 7675 | bpr | 1254 | pm->color[1]=pm->color[0]; |
| 1255 | pm->color[0]=widthcolor(width,pm->color[0]); |
||
| 10 | reyssat | 1256 | } |
| 1257 | pm->fill=o->fill_tag; |
||
| 3718 | reyssat | 1258 | ovlstrcpy(pm->str,p); return 0; |
| 10 | reyssat | 1259 | } |
| 1260 | |||
| 8068 | bpr | 1261 | /* Create the struct objparm pm corresponding to the objparm p |
| 1262 | * Execute a command. Returns 0 if OK. |
||
| 1263 | */ |
||
| 10 | reyssat | 1264 | int obj_main(char *p) |
| 1265 | { |
||
| 1266 | int i; |
||
| 1267 | char *pp,*name,*pt; |
||
| 1268 | char tbuf2[MAX_LINELEN+1]; |
||
| 1269 | struct objparm pm; |
||
| 1270 | |||
| 1271 | p=find_word_start(p); |
||
| 1272 | if(*p==exec_prefix_char || *p==0) return 0; /* comment */ |
||
| 1273 | name=p; |
||
| 1274 | pp=find_name_end(p); |
||
| 1275 | pt=find_word_start(pp); if(*pt=='=') *pt=' '; |
||
| 1276 | if(*pt==':' && *(pt+1)=='=') *pt=*(pt+1)=' '; |
||
| 1277 | pp=find_word_end(p); |
||
| 1278 | if(*pp!=0) { |
||
| 7675 | bpr | 1279 | *(pp++)=0; pp=find_word_start(pp); |
| 10 | reyssat | 1280 | } |
| 1281 | if(strlen(p)==1 || (strlen(p)==2 && isdigit(*(p+1)))) { |
||
| 8076 | bpr | 1282 | setvar(p,strevalue(pp)); return 0; |
| 10 | reyssat | 1283 | } |
| 8068 | bpr | 1284 | /* search the number of the object */ |
| 10 | reyssat | 1285 | i=search_list(objtab,obj_no,sizeof(objtab[0]),name); |
| 1286 | if(i<0) { |
||
| 7675 | bpr | 1287 | error("bad_cmd"); return 1; |
| 10 | reyssat | 1288 | } |
| 1289 | if(image==NULL && (objtab[i].color_pos || objtab[i].required_parms>2)) { |
||
| 7675 | bpr | 1290 | error("image_not_defined"); return 1; |
| 10 | reyssat | 1291 | } |
| 3718 | reyssat | 1292 | ovlstrcpy(tbuf2,pp); |
| 10 | reyssat | 1293 | if(objtab[i].color_pos || objtab[i].routine==obj_setstyle) { |
| 7675 | bpr | 1294 | substit(tbuf2); |
| 10 | reyssat | 1295 | } |
| 1296 | if(parse_parms(tbuf2,&pm,objtab+i)!=0) error("bad_parms"); |
||
| 1297 | else objtab[i].routine(&pm); |
||
| 1298 | return 0; |
||
| 1299 | } |
||
| 1300 |