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