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| Rev 11132 | Rev 12473 | ||
|---|---|---|---|
| Line 20... | Line 20... | ||
| 20 | 20 | ||
| 21 | /* bug in gdImageFillToBorder */ |
21 | /* bug in gdImageFillToBorder */ |
| 22 | 22 | ||
| 23 | void patchgdImageFillToBorder (gdImagePtr im, int x, int y, int border, int color) |
23 | void patchgdImageFillToBorder (gdImagePtr im, int x, int y, int border, int color) |
| 24 | { |
24 | { |
| 25 |
|
25 | if(x>=im->sx || x<0 || y>=im->sy || y<0) return; |
| 26 |
|
26 | gdImageFillToBorder(im,x,y,border,color); |
| 27 | } |
27 | } |
| 28 | 28 | ||
| 29 | void patchgdImageFill (gdImagePtr im, int x, int y, int color) |
29 | void patchgdImageFill (gdImagePtr im, int x, int y, int color) |
| 30 | { |
30 | { |
| 31 |
|
31 | if(x>=im->sx || x<0 || y>=im->sy || y<0) return; |
| 32 |
|
32 | gdImageFill(im,x,y,color); |
| 33 | } |
33 | } |
| 34 | 34 | ||
| 35 | 35 | ||
| 36 | #define DASHPIXELS 8 |
36 | #define DASHPIXELS 8 |
| 37 | 37 | ||
| Line 52... | Line 52... | ||
| 52 | 52 | ||
| 53 | 53 | ||
| 54 | /* File opening: with security */ |
54 | /* File opening: with security */ |
| 55 | FILE *open4read(char *n) |
55 | FILE *open4read(char *n) |
| 56 | { |
56 | { |
| 57 |
|
57 | char *p, *p1, *p2, namebuf[2048]; |
| 58 |
|
58 | int t; |
| 59 |
|
59 | FILE *f; |
| 60 |
|
60 | n=find_word_start(n); |
| 61 |
|
61 | if(*n==0) return NULL; |
| 62 |
|
62 | p=getenv("flydraw_filebase"); |
| 63 |
|
63 | p1=n+strlen(n)-4;if(p1<n || strcasecmp(p1,".gif")!=0) t=1; else t=0; |
| 64 |
|
64 | if(p!=NULL && *p!=0) { |
| 65 |
|
65 | char pbuf[MAX_LINELEN+1]; |
| 66 |
|
66 | snprintf(pbuf,sizeof(pbuf),"%s",p); |
| 67 |
|
67 | p=find_word_start(pbuf); if(strstr(p,"..")!=NULL) return NULL; |
| 68 |
|
68 | if(*n=='/' || strstr(n,"..")!=NULL) return NULL; |
| 69 | /* prohibit unusual file/dir names */ |
69 | /* prohibit unusual file/dir names */ |
| 70 |
|
70 | for(p1=p;*p1;p1++) |
| 71 |
|
71 | if(!isalnum(*p1) && !isspace(*p1) && strchr("~_-/.",*p1)==NULL) |
| 72 |
|
72 | return NULL; |
| 73 |
|
73 | for(p1=n;*p1;p1++) |
| 74 |
|
74 | if(!isalnum(*p1) && !isspace(*p1) && strchr("~_-/.",*p1)==NULL) |
| 75 |
|
75 | return NULL; |
| 76 |
|
76 | f=NULL; |
| 77 |
|
77 | for(p1=p; *p1; p1=find_word_start(p2)) { |
| 78 |
|
78 | p2=find_word_end(p1); |
| 79 |
|
79 | if(*p2) *p2++=0; |
| 80 |
|
80 | snprintf(namebuf,sizeof(namebuf),"%s/%s",p1,n); |
| 81 |
|
81 | f=fopen(namebuf,"r"); if(f!=NULL) goto imgtype; |
| 82 |
|
82 | } |
| 83 |
|
83 | p1=getenv("w_wims_session"); |
| 84 |
|
84 | if(p1!=NULL && strncmp(n,"insert",6)==0) { |
| 85 |
|
85 | snprintf(namebuf,sizeof(namebuf),"../s2/%s/%s",p1,n); |
| 86 | f=fopen(namebuf,"r"); |
- | |
| 87 | } |
- | |
| 88 | } |
- | |
| 89 | else { |
- | |
| 90 | snprintf(namebuf,sizeof(namebuf),"%s",n); |
- | |
| 91 | f=fopen(namebuf,"r"); |
86 | f=fopen(namebuf,"r"); |
| 92 | } |
87 | } |
| - | 88 | } |
|
| - | 89 | else { |
|
| - | 90 | snprintf(namebuf,sizeof(namebuf),"%s",n); |
|
| - | 91 | f=fopen(namebuf,"r"); |
|
| - | 92 | } |
|
| 93 |
|
93 | imgtype: |
| 94 |
|
94 | if(t && f!=NULL) { |
| 95 |
|
95 | char tbuf[1024],sbuf[4096]; |
| 96 |
|
96 | fclose(f); f=NULL; |
| 97 |
|
97 | p1=getenv("TMPDIR"); if(p1==NULL || *p1==0) p1="."; |
| 98 |
|
98 | snprintf(tbuf,sizeof(tbuf),"%s/drawfile_.gif",p1); |
| 99 |
|
99 | snprintf(sbuf,sizeof(sbuf),"convert %s %s",namebuf,tbuf); |
| 100 |
|
100 | if (system(sbuf)) fly_error("system_failed"); |
| 101 |
|
101 | f=fopen(tbuf,"r"); |
| 102 |
|
102 | } |
| 103 |
|
103 | return f; |
| 104 | } |
104 | } |
| 105 | 105 | ||
| 106 | /* Does nothing; just a comment. */ |
106 | /* Does nothing; just a comment. */ |
| 107 | void obj_comment(objparm *pm) |
107 | void obj_comment(objparm *pm) |
| 108 | { |
108 | { |
| 109 |
|
109 | return; |
| 110 | } |
110 | } |
| 111 | 111 | ||
| 112 | /* define image size */ |
112 | /* define image size */ |
| 113 | void obj_size(objparm *pm) |
113 | void obj_size(objparm *pm) |
| 114 | { |
114 | { |
| 115 |
|
115 | sizex=rint(pm->pd[0]); sizey=rint(pm->pd[1]); |
| 116 |
|
116 | if(sizex<0 || sizey<0 || sizex>MAX_SIZE || sizey>MAX_SIZE) { |
| 117 |
|
117 | fly_error("bad_size"); return; |
| 118 |
|
118 | } |
| 119 |
|
119 | if(image!=NULL) { |
| 120 |
|
120 | fly_error("size_already_defined"); return; |
| 121 |
|
121 | } |
| 122 |
|
122 | image=gdImageCreate(sizex,sizey); |
| 123 |
|
123 | if(image==NULL) fly_error("image_creation_failure"); |
| 124 |
|
124 | else { |
| 125 |
|
125 | color_white=gdImageColorAllocate(image,255,255,255); |
| 126 |
|
126 | color_black=gdImageColorAllocate(image,0,0,0); |
| 127 |
|
127 | color_bounder=gdImageColorAllocate(image,1,2,3); |
| 128 |
|
128 | color_frame=gdImageColorAllocate(image,254,254,254); |
| 129 |
|
129 | } |
| 130 | } |
130 | } |
| 131 | 131 | ||
| 132 | /* new image */ |
132 | /* new image */ |
| 133 | void obj_new(objparm *pm) |
133 | void obj_new(objparm *pm) |
| 134 | { |
134 | { |
| 135 |
|
135 | if(image) { |
| 136 |
|
136 | gdImageDestroy(image);image=NULL; |
| 137 |
|
137 | } |
| 138 |
|
138 | if(pm->pcnt>=2) { obj_size(pm); gdImageRectangle(image,0,0,sizex-1,sizey-1,color_frame);} |
| 139 |
|
139 | else sizex=sizey=0; |
| 140 |
|
140 | saved=0; |
| 141 | } |
141 | } |
| 142 | 142 | ||
| 143 | /* new image */ |
143 | /* new image */ |
| 144 | void obj_existing(objparm *pm) |
144 | void obj_existing(objparm *pm) |
| 145 | { |
145 | { |
| 146 |
|
146 | FILE *inf; |
| 147 |
|
147 | char *pp; |
| 148 | 148 | ||
| 149 |
|
149 | if(image) { |
| 150 |
|
150 | gdImageDestroy(image);image=NULL; |
| 151 |
|
151 | } |
| 152 |
|
152 | pp=find_word_start(pm->str);*find_word_end(pp)=0; |
| 153 |
|
153 | inf=open4read(pp); |
| 154 |
|
154 | if(inf==NULL) { |
| 155 |
|
155 | fly_error("file_not_exist"); return; |
| 156 |
|
156 | } |
| 157 |
|
157 | image=gdImageCreateFromGif(inf); fclose(inf); |
| 158 |
|
158 | if(image==NULL) { |
| 159 |
|
159 | fly_error("bad_gif"); return; |
| 160 |
|
160 | } |
| 161 |
|
161 | sizex=image->sx; sizey=image->sy; |
| 162 |
|
162 | saved=0; |
| 163 | } |
163 | } |
| 164 | 164 | ||
| 165 | /* solid line */ |
165 | /* solid line */ |
| 166 | void obj_line(objparm *pm) |
166 | void obj_line(objparm *pm) |
| 167 | { |
167 | { |
| 168 |
|
168 | scale(pm->pd,pm->p,2); |
| 169 |
|
169 | gdImageLine(image,pm->p[0],pm->p[1],pm->p[2],pm->p[3],pm->color[0]); |
| 170 |
|
170 | if(vimg_enable) vimg_line(scale_buf[0],scale_buf[1],scale_buf[2],scale_buf[3]); |
| 171 | } |
171 | } |
| 172 | 172 | ||
| 173 | void _obj_arrow(objparm *pm, int twoside) |
173 | void _obj_arrow(objparm *pm, int twoside) |
| 174 | { |
174 | { |
| 175 |
|
175 | int l,xx,yy; |
| 176 |
|
176 | gdPoint ii[3]; |
| 177 |
|
177 | double dx,dy,length,dd[6]; |
| 178 |
|
178 | scale(pm->pd,pm->p,2); |
| 179 |
|
179 | xx=ii[0].x=pm->p[2];yy=ii[0].y=pm->p[3]; |
| 180 |
|
180 | l=pm->pd[4];if(l<0) l=0; if(l>200) l=200; |
| 181 |
|
181 | scale2(pm->pd[0]-pm->pd[2],pm->pd[1]-pm->pd[3],&dx,&dy); |
| 182 |
|
182 | length=sqrt(dx*dx+dy*dy); |
| 183 |
|
183 | if(length<3 || l<5) goto stem; |
| 184 |
|
184 | dd[0]=l*dx/length; dd[1]=l*dy/length; |
| 185 |
|
185 | #define fat 0.27 |
| 186 |
|
186 | dd[2]=dd[0]+dd[1]*fat; dd[3]=dd[1]-dd[0]*fat; |
| 187 |
|
187 | dd[4]=dd[0]-dd[1]*fat; dd[5]=dd[1]+dd[0]*fat; |
| - | 188 | ii[1].x=rint(dd[2])+ii[0].x; ii[1].y=rint(dd[3])+ii[0].y; |
|
| - | 189 | ii[2].x=rint(dd[4])+ii[0].x; ii[2].y=rint(dd[5])+ii[0].y; |
|
| - | 190 | gdImageFilledPolygon(image, ii,3,pm->color[0]); |
|
| - | 191 | xx=rint(dd[0])+ii[0].x;yy=rint(dd[1])+ii[0].y; |
|
| - | 192 | if(twoside) { |
|
| - | 193 | ii[0].x=pm->p[0]; ii[0].y=pm->p[1]; |
|
| 188 | ii[1].x=rint(dd[2])+ii[0].x; ii[1].y=rint(dd[3])+ii[0].y; |
194 | ii[1].x=-rint(dd[2])+ii[0].x; ii[1].y=-rint(dd[3])+ii[0].y; |
| 189 | ii[2].x=rint(dd[4])+ii[0].x; ii[2].y=rint(dd[5])+ii[0].y; |
195 | ii[2].x=-rint(dd[4])+ii[0].x; ii[2].y=-rint(dd[5])+ii[0].y; |
| 190 | gdImageFilledPolygon(image, ii,3,pm->color[0]); |
196 | gdImageFilledPolygon(image, ii,3,pm->color[0]); |
| 191 | xx=rint(dd[0])+ii[0].x;yy=rint(dd[1])+ii[0].y; |
- | |
| 192 | if(twoside) { |
- | |
| 193 | ii[0].x=pm->p[0]; ii[0].y=pm->p[1]; |
- | |
| 194 | ii[1].x=-rint(dd[2])+ii[0].x; ii[1].y=-rint(dd[3])+ii[0].y; |
- | |
| 195 | ii[2].x=-rint(dd[4])+ii[0].x; ii[2].y=-rint(dd[5])+ii[0].y; |
- | |
| 196 | gdImageFilledPolygon(image, ii,3,pm->color[0]); |
- | |
| 197 |
|
197 | } |
| 198 |
|
198 | stem: if(pm->fill) |
| 199 |
|
199 | myDashedLine(image,pm->p[0],pm->p[1],xx,yy,pm->color[0]); |
| 200 |
|
200 | else |
| 201 |
|
201 | gdImageLine(image,pm->p[0],pm->p[1],xx,yy,pm->color[0]); |
| 202 |
|
202 | if(vimg_enable) vimg_line(scale_buf[0],scale_buf[1],scale_buf[2],scale_buf[3]); |
| 203 | } |
203 | } |
| 204 | 204 | ||
| 205 | /* Arrow */ |
205 | /* Arrow */ |
| 206 | void obj_arrow(objparm *pm) |
206 | void obj_arrow(objparm *pm) |
| 207 | { |
207 | { |
| 208 |
|
208 | _obj_arrow(pm,0); |
| 209 | } |
209 | } |
| 210 | 210 | ||
| 211 | /* 2-sided arrow */ |
211 | /* 2-sided arrow */ |
| 212 | void obj_arrow2(objparm *pm) |
212 | void obj_arrow2(objparm *pm) |
| 213 | { |
213 | { |
| 214 |
|
214 | _obj_arrow(pm,1); |
| 215 | } |
215 | } |
| 216 | 216 | ||
| 217 | /* horizontal line */ |
217 | /* horizontal line */ |
| 218 | void obj_hline(objparm *pm) |
218 | void obj_hline(objparm *pm) |
| 219 | { |
219 | { |
| 220 |
|
220 | scale(pm->pd,pm->p,1); |
| 221 |
|
221 | if(pm->fill) |
| 222 |
|
222 | myDashedLine(image,0,pm->p[1],sizex,pm->p[1],pm->color[0]); |
| 223 |
|
223 | else |
| 224 |
|
224 | gdImageLine(image,0,pm->p[1],sizex,pm->p[1],pm->color[0]); |
| 225 | } |
225 | } |
| 226 | 226 | ||
| 227 | /* vertical line */ |
227 | /* vertical line */ |
| 228 | void obj_vline(objparm *pm) |
228 | void obj_vline(objparm *pm) |
| 229 | { |
229 | { |
| 230 |
|
230 | scale(pm->pd,pm->p,1); |
| 231 |
|
231 | if(pm->fill) |
| 232 |
|
232 | myDashedLine(image,pm->p[0],0,pm->p[0],sizey,pm->color[0]); |
| 233 |
|
233 | else |
| 234 |
|
234 | gdImageLine(image,pm->p[0],0,pm->p[0],sizey,pm->color[0]); |
| 235 | } |
235 | } |
| 236 | 236 | ||
| 237 | /* dashed line */ |
237 | /* dashed line */ |
| 238 | void obj_dline(objparm *pm) |
238 | void obj_dline(objparm *pm) |
| 239 | { |
239 | { |
| 240 |
|
240 | scale(pm->pd,pm->p,2); |
| 241 |
|
241 | myDashedLine(image,pm->p[0],pm->p[1],pm->p[2],pm->p[3], pm->color[0]); |
| 242 | } |
242 | } |
| 243 | 243 | ||
| 244 | /* parallel lines. |
244 | /* parallel lines. |
| 245 | * x1,y1,x2,y2,xv,yv,n,color */ |
245 | * x1,y1,x2,y2,xv,yv,n,color */ |
| 246 | void obj_parallel(objparm *pm) |
246 | void obj_parallel(objparm *pm) |
| 247 | { |
247 | { |
| 248 |
|
248 | int i, n, xi,yi; |
| 249 |
|
249 | double xv,yv; |
| 250 |
|
250 | n=pm->pd[6]; if(n<0) return; if(n>256) n=256; |
| 251 |
|
251 | scale(pm->pd,pm->p,3); |
| 252 |
|
252 | scale2(pm->pd[4],pm->pd[5],&xv,&yv); |
| 253 |
|
253 | for(i=0;i<n;i++) { |
| 254 |
|
254 | xi=rint(i*xv); yi=rint(i*yv); |
| 255 |
|
255 | gdImageLine(image,pm->p[0]+xi,pm->p[1]+yi,pm->p[2]+xi,pm->p[3]+yi, |
| 256 |
|
256 | pm->color[0]); |
| 257 |
|
257 | if(vimg_enable) vimg_line(scale_buf[0]+i*(scale_buf[4]-transx), |
| 258 |
|
258 | scale_buf[1]+i*(scale_buf[5]-transy), |
| 259 |
|
259 | scale_buf[2]+i*(scale_buf[4]-transx), |
| 260 |
|
260 | scale_buf[3]+i*(scale_buf[5]-transy)); |
| 261 |
|
261 | } |
| 262 | } |
262 | } |
| 263 | 263 | ||
| 264 | /* rectangle */ |
264 | /* rectangle */ |
| 265 | void obj_rect(objparm *pm) |
265 | void obj_rect(objparm *pm) |
| 266 | { |
266 | { |
| 267 |
|
267 | int x1,y1,x2,y2; |
| 268 |
|
268 | scale(pm->pd,pm->p,2); |
| 269 |
|
269 | x1=min(pm->p[0],pm->p[2]); x2=max(pm->p[0],pm->p[2]); |
| 270 |
|
270 | y1=min(pm->p[1],pm->p[3]); y2=max(pm->p[1],pm->p[3]); |
| 271 |
|
271 | if(pm->fill) |
| 272 |
|
272 | gdImageFilledRectangle(image,x1,y1,x2,y2,pm->color[0]); |
| 273 |
|
273 | else |
| 274 |
|
274 | gdImageRectangle(image,x1,y1,x2,y2,pm->color[0]); |
| 275 |
|
275 | if(vimg_enable) vimg_rect(scale_buf[0],scale_buf[1],scale_buf[2],scale_buf[3]); |
| 276 | } |
276 | } |
| 277 | 277 | ||
| 278 | /* square */ |
278 | /* square */ |
| 279 | void obj_square(objparm *pm) |
279 | void obj_square(objparm *pm) |
| 280 | { |
280 | { |
| 281 |
|
281 | int w,h; |
| 282 |
|
282 | scale(pm->pd,pm->p,1); |
| 283 |
|
283 | w=rint(pm->pd[2]); h=rint(pm->pd[2]); |
| 284 |
|
284 | if(pm->fill) |
| 285 |
|
285 | gdImageFilledRectangle(image,pm->p[0],pm->p[1], |
| 286 |
|
286 | pm->p[0]+w,pm->p[1]+h,pm->color[0]); |
| 287 |
|
287 | else |
| 288 |
|
288 | gdImageRectangle(image,pm->p[0],pm->p[1], |
| 289 |
|
289 | pm->p[0]+w,pm->p[1]+h,pm->color[0]); |
| 290 |
|
290 | if(vimg_enable) vimg_rect(scale_buf[0],scale_buf[1], |
| 291 |
|
291 | scale_buf[0]+pm->pd[2],scale_buf[1]+pm->pd[2]); |
| 292 | } |
292 | } |
| 293 | 293 | ||
| 294 | /* triangle */ |
294 | /* triangle */ |
| 295 | void obj_triangle(objparm *pm) |
295 | void obj_triangle(objparm *pm) |
| 296 | { |
296 | { |
| 297 |
|
297 | scale(pm->pd,pm->p,3); |
| 298 |
|
298 | if(pm->fill) |
| 299 |
|
299 | gdImageFilledPolygon(image,(gdPointPtr) pm->p,3,pm->color[0]); |
| 300 |
|
300 | else |
| 301 |
|
301 | gdImagePolygon(image,(gdPointPtr) pm->p,3,pm->color[0]); |
| 302 |
|
302 | if(vimg_enable) vimg_polyline(scale_buf,3,1); |
| 303 | } |
303 | } |
| 304 | 304 | ||
| 305 | /* polygon */ |
305 | /* polygon */ |
| 306 | void obj_poly(objparm *pm) |
306 | void obj_poly(objparm *pm) |
| 307 | { |
307 | { |
| 308 |
|
308 | int cnt; |
| 309 |
|
309 | cnt=(pm->pcnt)/2; |
| 310 |
|
310 | scale(pm->pd,pm->p,cnt); |
| 311 |
|
311 | if(pm->fill) |
| 312 |
|
312 | gdImageFilledPolygon(image,(gdPointPtr) pm->p,cnt,pm->color[0]); |
| 313 |
|
313 | else |
| 314 |
|
314 | gdImagePolygon(image,(gdPointPtr) pm->p,cnt,pm->color[0]); |
| 315 |
|
315 | if(vimg_enable) vimg_polyline(scale_buf,cnt,1); |
| 316 | } |
316 | } |
| 317 | 317 | ||
| 318 | /* rays */ |
318 | /* rays */ |
| 319 | void obj_rays(objparm *pm) |
319 | void obj_rays(objparm *pm) |
| 320 | { |
320 | { |
| 321 |
|
321 | int i, n; |
| 322 |
|
322 | n=(pm->pcnt)/2; |
| 323 |
|
323 | scale(pm->pd,pm->p,n); |
| 324 |
|
324 | for(i=2;i<2*n;i+=2) { |
| 325 |
|
325 | gdImageLine(image,pm->p[0],pm->p[1],pm->p[i],pm->p[i+1],pm->color[0]); |
| 326 |
|
326 | if(vimg_enable) vimg_line(scale_buf[0],scale_buf[1], |
| 327 |
|
327 | scale_buf[i],scale_buf[i+1]); |
| 328 |
|
328 | } |
| 329 | } |
329 | } |
| 330 | /* crosshair */ |
330 | /* crosshair */ |
| 331 | void obj_crosshair(objparm *pm) |
331 | void obj_crosshair(objparm *pm) |
| 332 | { |
332 | { |
| 333 |
|
333 | scale(pm->pd,pm->p,2); |
| 334 |
|
334 | gdImageLine(image,pm->p[0]+width2,pm->p[1]+width2,pm->p[0]-width2,pm->p[1]-width2,pm->color[0]); |
| 335 |
|
335 | gdImageLine(image,pm->p[0]-width2,pm->p[1]+width2,pm->p[0]+width2,pm->p[1]-width2,pm->color[0]); |
| 336 | } |
336 | } |
| 337 | /* crosshairs */ |
337 | /* crosshairs */ |
| 338 | 338 | ||
| 339 | void obj_crosshairs(objparm *pm) |
339 | void obj_crosshairs(objparm *pm) |
| 340 | { |
340 | { |
| 341 |
|
341 | int i, n; |
| 342 |
|
342 | n=(pm->pcnt)/2; |
| 343 |
|
343 | scale(pm->pd,pm->p,n); |
| 344 |
|
344 | for(i=0;i<2*n;i+=2) { |
| 345 |
|
345 | gdImageLine(image,pm->p[i]+width2,pm->p[i+1]+width2,pm->p[i]-width2,pm->p[i+1]-width2,pm->color[0]); |
| 346 |
|
346 | gdImageLine(image,pm->p[i]-width2,pm->p[i+1]+width2,pm->p[i]+width2,pm->p[i+1]-width2,pm->color[0]); |
| 347 |
|
347 | } |
| 348 | } |
348 | } |
| 349 | 349 | ||
| 350 | 350 | ||
| 351 | /* segments */ |
351 | /* segments */ |
| 352 | void obj_lines(objparm *pm) |
352 | void obj_lines(objparm *pm) |
| 353 | { |
353 | { |
| 354 |
|
354 | int i, n; |
| 355 |
|
355 | n=(pm->pcnt)/2; |
| 356 |
|
356 | scale(pm->pd,pm->p,n); |
| 357 |
|
357 | for(i=2;i<2*n;i+=2) |
| 358 |
|
358 | gdImageLine(image,pm->p[i-2],pm->p[i-1],pm->p[i],pm->p[i+1],pm->color[0]); |
| 359 |
|
359 | if(vimg_enable) vimg_polyline(scale_buf,n,0); |
| 360 | } |
360 | } |
| 361 | 361 | ||
| 362 | /* segments */ |
362 | /* segments */ |
| 363 | void obj_dlines(objparm *pm) |
363 | void obj_dlines(objparm *pm) |
| 364 | { |
364 | { |
| 365 |
|
365 | int i, n; |
| 366 |
|
366 | n=(pm->pcnt)/2; |
| 367 |
|
367 | scale(pm->pd,pm->p,n); |
| 368 |
|
368 | for(i=2;i<2*n;i+=2) |
| 369 |
|
369 | myDashedLine(image,pm->p[i-2],pm->p[i-1],pm->p[i],pm->p[i+1],pm->color[0]); |
| 370 |
|
370 | if(vimg_enable) vimg_polyline(scale_buf,n,0); |
| 371 | } |
371 | } |
| 372 | 372 | ||
| 373 | /* points */ |
373 | /* points */ |
| 374 | void obj_points(objparm *pm) |
374 | void obj_points(objparm *pm) |
| 375 | { |
375 | { |
| 376 |
|
376 | int i, n; |
| 377 |
|
377 | n=(pm->pcnt)/2; |
| 378 |
|
378 | scale(pm->pd,pm->p,n); |
| 379 |
|
379 | for(i=0;i<2*n;i+=2) |
| 380 |
|
380 | gdImageSetPixel(image,pm->p[i],pm->p[i+1],pm->color[0]); |
| 381 | } |
381 | } |
| 382 | 382 | ||
| 383 | /* lattice. |
383 | /* lattice. |
| 384 | * x0,y0,xv1,yv1,xv2,yv2,n1,n2,color */ |
384 | * x0,y0,xv1,yv1,xv2,yv2,n1,n2,color */ |
| 385 | void obj_lattice(objparm *pm) |
385 | void obj_lattice(objparm *pm) |
| 386 | { |
386 | { |
| 387 |
|
387 | int n1,n2,i1,i2,xi1,yi1,xi2,yi2; |
| 388 |
|
388 | double xv1,xv2,yv1,yv2; |
| 389 |
|
389 | n1=pm->pd[6];n2=pm->pd[7]; if(n1<0 || n2<0) return; |
| 390 |
|
390 | if(n1>256) n1=256; |
| 391 |
|
391 | if(n2>256) n2=256; |
| 392 |
|
392 | scale(pm->pd,pm->p,1); |
| 393 |
|
393 | scale2(pm->pd[2],pm->pd[3],&xv1,&yv1); |
| 394 |
|
394 | scale2(pm->pd[4],pm->pd[5],&xv2,&yv2); |
| 395 |
|
395 | for(i1=0;i1<n1;i1++) { |
| 396 |
|
396 | xi1=rint(i1*xv1)+pm->p[0]; yi1=rint(i1*yv1)+pm->p[1]; |
| 397 |
|
397 | for(i2=0;i2<n2;i2++) { |
| 398 |
|
398 | xi2=i2*xv2+xi1;yi2=i2*yv2+yi1; |
| 399 |
|
399 | gdImageSetPixel(image,xi2,yi2,pm->color[0]); |
| 400 | } |
- | |
| 401 | } |
400 | } |
| - | 401 | } |
|
| 402 | } |
402 | } |
| 403 | 403 | ||
| 404 | /* arc */ |
404 | /* arc */ |
| 405 | void obj_arc(objparm *pm) |
405 | void obj_arc(objparm *pm) |
| 406 | { |
406 | { |
| 407 |
|
407 | scale(pm->pd,pm->p,1); |
| 408 |
|
408 | pm->p[2]=rint(pm->pd[2]*xscale); pm->p[3]=rint(pm->pd[3]*yscale); |
| 409 |
|
409 | gdImageArc(image,pm->p[0],pm->p[1],pm->p[2],pm->p[3], |
| 410 |
|
410 | pm->pd[4],pm->pd[5],pm->color[0]); |
| 411 |
|
411 | if(vimg_enable) vimg_arc(scale_buf[0],scale_buf[1], |
| 412 |
|
412 | 0.5*pm->pd[2],0.5*pm->pd[3],pm->pd[4],pm->pd[5]); |
| 413 | } |
413 | } |
| 414 | 414 | ||
| 415 | /* Ellipse: centre 0,1, width 2, hight 3, color 4,5,6 */ |
415 | /* Ellipse: centre 0,1, width 2, hight 3, color 4,5,6 */ |
| 416 | void obj_ellipse(objparm *pm) |
416 | void obj_ellipse(objparm *pm) |
| 417 | { |
417 | { |
| 418 |
|
418 | scale(pm->pd,pm->p,1); |
| 419 |
|
419 | pm->p[2]=rint(pm->pd[2]*xscale); pm->p[3]=rint(pm->pd[3]*yscale); |
| 420 |
|
420 | if(pm->fill) { |
| 421 |
|
421 | gdImageArc(image,pm->p[0],pm->p[1],pm->p[2],pm->p[3],0,360, |
| 422 |
|
422 | color_bounder); |
| 423 |
|
423 | patchgdImageFillToBorder(image,pm->p[0],pm->p[1], |
| 424 |
|
424 | color_bounder,pm->color[0]); |
| 425 |
|
425 | } |
| 426 |
|
426 | gdImageArc(image,pm->p[0],pm->p[1],pm->p[2],pm->p[3],0,360,pm->color[0]); |
| 427 | if(vimg_enable) vimg_ellipse(scale_buf[0],scale_buf[1],0.5*pm->pd[2],0.5*pm->pd[3]); |
427 | if(vimg_enable) vimg_ellipse(scale_buf[0],scale_buf[1],0.5*pm->pd[2],0.5*pm->pd[3]); |
| 428 | } |
428 | } |
| 429 | 429 | ||
| 430 | /* Circle */ |
430 | /* Circle */ |
| 431 | void obj_circle(objparm *pm) |
431 | void obj_circle(objparm *pm) |
| 432 | { |
432 | { |
| 433 |
|
433 | scale(pm->pd,pm->p,1); |
| 434 |
|
434 | pm->p[2]=rint(pm->pd[2]); pm->p[3]=rint(pm->pd[2]); |
| 435 |
|
435 | if(pm->fill) { |
| 436 |
|
436 | gdImageArc(image,pm->p[0],pm->p[1],pm->p[2],pm->p[3],0,360, |
| 437 |
|
437 | color_bounder); |
| 438 |
|
438 | patchgdImageFillToBorder(image,pm->p[0],pm->p[1], |
| 439 |
|
439 | color_bounder,pm->color[0]); |
| 440 |
|
440 | } |
| 441 |
|
441 | gdImageArc(image,pm->p[0],pm->p[1],pm->p[2],pm->p[3],0,360,pm->color[0]); |
| 442 | } |
442 | } |
| 443 | 443 | ||
| 444 | /* flood fill */ |
444 | /* flood fill */ |
| 445 | void obj_fill(objparm *pm) |
445 | void obj_fill(objparm *pm) |
| 446 | { |
446 | { |
| 447 |
|
447 | scale(pm->pd,pm->p,1); |
| 448 |
|
448 | patchgdImageFill(image,pm->p[0],pm->p[1],pm->color[0]); |
| 449 | } |
449 | } |
| 450 | 450 | ||
| 451 | /* flood fill to border*/ |
451 | /* flood fill to border*/ |
| 452 | void obj_fillb(objparm *pm) |
452 | void obj_fillb(objparm *pm) |
| 453 | { |
453 | { |
| 454 |
|
454 | scale(pm->pd,pm->p,1); |
| 455 |
|
455 | patchgdImageFillToBorder(image,pm->p[0],pm->p[1],pm->color[0],pm->color[1]); |
| 456 | } |
456 | } |
| 457 | 457 | ||
| 458 | gdImagePtr himg; |
458 | gdImagePtr himg; |
| 459 | 459 | ||
| 460 | int makehatchimage(int x, int y, int px, int py, int col) |
460 | int makehatchimage(int x, int y, int px, int py, int col) |
| 461 | { |
461 | { |
| 462 |
|
462 | int c1,c2,r,g,b; |
| 463 |
|
463 | gdImagePtr saveimg; |
| 464 |
|
464 | himg=gdImageCreate(x,y); |
| 465 |
|
465 | c1=gdImageGetPixel(image,px,py); |
| 466 |
|
466 | r=gdImageRed(image,c1); g=gdImageGreen(image,c1); b=gdImageBlue(image,c1); |
| 467 |
|
467 | if(r>=255) r--; else r++; if(g>=255) g--; else g++; if(b>=255) b--; else b++; |
| 468 |
|
468 | c1=gdImageColorAllocate(himg,r,g,b); |
| 469 |
|
469 | r=gdImageRed(image,col); g=gdImageGreen(image,col); b=gdImageBlue(image,col); |
| 470 |
|
470 | c2=gdImageColorAllocate(himg,r,g,b); |
| 471 |
|
471 | if(width>1) { |
| 472 |
|
472 | savew=-1; saveimg=image; |
| 473 |
|
473 | image=himg; c2=widthcolor(width,c2); image=saveimg; |
| 474 |
|
474 | c2=gdBrushed; savew=-1; |
| 475 |
|
475 | } |
| 476 |
|
476 | return c2; |
| 477 | } |
477 | } |
| 478 | 478 | ||
| 479 | /* flood fill with hatching */ |
479 | /* flood fill with hatching */ |
| 480 | void obj_hatchfill(objparm *pm) |
480 | void obj_hatchfill(objparm *pm) |
| 481 | { |
481 | { |
| 482 |
|
482 | int nx,ny,ax,ay, dir, c; |
| 483 |
|
483 | scale(pm->pd,pm->p,1); |
| 484 |
|
484 | nx=pm->pd[2]; ny=pm->pd[3]; ax=abs(nx); ay=abs(ny); |
| 485 |
|
485 | if(nx==0 && ny==0) {fly_error("bad displacement vector"); return;} |
| 486 |
|
486 | if((nx>0 && ny>0) || (nx<0 && ny<0)) dir=1; else dir=-1; |
| 487 |
|
487 | if(ax==0) {ax=100; dir=2;} |
| 488 |
|
488 | if(ay==0) {ay=100; dir=3;} |
| 489 |
|
489 | c=makehatchimage(ax,ay,pm->p[0],pm->p[1],pm->color[0]); |
| 490 |
|
490 | switch(dir) { |
| 491 |
|
491 | case -1: { |
| 492 |
|
492 | gdImageLine(himg,0,ay-1,ax-1,0,c); |
| 493 |
|
493 | if(width>1) { |
| 494 |
|
494 | gdImageLine(himg,-ax,ay-1,-1,0,c); |
| 495 |
|
495 | gdImageLine(himg,ax,ay-1,2*ax-1,0,c); |
| 496 |
|
496 | gdImageLine(himg,0,-1,ax-1,-ay,c); |
| 497 |
|
497 | gdImageLine(himg,0,2*ay-1,ax-1,ay,c); |
| 498 | } |
- | |
| 499 | break; |
- | |
| 500 | } |
- | |
| 501 | case 1: { |
- | |
| 502 | gdImageLine(himg,0,0,ax-1,ay-1,c); |
- | |
| 503 | if(width>1) { |
- | |
| 504 | gdImageLine(himg,-ax,0,-1,ay-1,c); |
- | |
| 505 | gdImageLine(himg,ax,0,2*ax-1,ay-1,c); |
- | |
| 506 | gdImageLine(himg,0,-ay,ax-1,-1,c); |
- | |
| 507 | gdImageLine(himg,0,ay,ax-1,2*ay-1,c); |
- | |
| 508 | } |
- | |
| 509 | break; |
- | |
| 510 | } |
498 | } |
| 511 | case 2: gdImageLine(himg,0,ay/2,ax-1,ay/2,c); break; |
- | |
| 512 |
|
499 | break; |
| 513 | } |
500 | } |
| - | 501 | case 1: { |
|
| - | 502 | gdImageLine(himg,0,0,ax-1,ay-1,c); |
|
| - | 503 | if(width>1) { |
|
| - | 504 | gdImageLine(himg,-ax,0,-1,ay-1,c); |
|
| - | 505 | gdImageLine(himg,ax,0,2*ax-1,ay-1,c); |
|
| - | 506 | gdImageLine(himg,0,-ay,ax-1,-1,c); |
|
| - | 507 | gdImageLine(himg,0,ay,ax-1,2*ay-1,c); |
|
| - | 508 | } |
|
| - | 509 | break; |
|
| - | 510 | } |
|
| - | 511 | case 2: gdImageLine(himg,0,ay/2,ax-1,ay/2,c); break; |
|
| - | 512 | case 3: gdImageLine(himg,ax/2,0,ax/2,ay-1,c); break; |
|
| - | 513 | } |
|
| 514 |
|
514 | gdImageSetTile(image,himg); |
| 515 |
|
515 | patchgdImageFill(image,pm->p[0],pm->p[1],gdTiled); |
| 516 |
|
516 | gdImageDestroy(himg); |
| 517 |
|
517 | if(tiled) gdImageSetTile(image,tileimg); |
| 518 | } |
518 | } |
| 519 | 519 | ||
| 520 | /* flood fill with grid */ |
520 | /* flood fill with grid */ |
| 521 | void obj_gridfill(objparm *pm) |
521 | void obj_gridfill(objparm *pm) |
| 522 | { |
522 | { |
| 523 |
|
523 | int nx,ny, c; |
| 524 |
|
524 | scale(pm->pd,pm->p,1); |
| 525 |
|
525 | nx=pm->pd[2]; ny=pm->pd[3]; nx=abs(nx); ny=abs(ny); |
| 526 |
|
526 | if(nx==0 && ny==0) {fly_error("bad grid size"); return;} |
| 527 |
|
527 | c=makehatchimage(nx,ny,pm->p[0],pm->p[1],pm->color[0]); |
| 528 |
|
528 | gdImageLine(himg,0,ny/2,nx-1,ny/2,c); gdImageLine(himg,nx/2,0,nx/2,ny-1,c); |
| 529 |
|
529 | gdImageSetTile(image,himg); |
| 530 |
|
530 | patchgdImageFill(image,pm->p[0],pm->p[1],gdTiled); |
| 531 |
|
531 | gdImageDestroy(himg); |
| 532 |
|
532 | if(tiled) gdImageSetTile(image,tileimg); |
| 533 | } |
533 | } |
| 534 | 534 | ||
| 535 | /* flood fill with double hatching */ |
535 | /* flood fill with double hatching */ |
| 536 | void obj_diafill(objparm *pm) |
536 | void obj_diafill(objparm *pm) |
| 537 | { |
537 | { |
| 538 |
|
538 | int nx,ny, c; |
| 539 |
|
539 | scale(pm->pd,pm->p,1); |
| 540 |
|
540 | nx=pm->pd[2]; ny=pm->pd[3]; nx=abs(nx); ny=abs(ny); |
| 541 |
|
541 | if(nx==0 && ny==0) {fly_error("bad grid size"); return;} |
| 542 |
|
542 | c=makehatchimage(nx,ny,pm->p[0],pm->p[1],pm->color[0]); |
| 543 |
|
543 | gdImageLine(himg,0,0,nx-1,ny-1,c); gdImageLine(himg,0,ny-1,nx-1,0,c); |
| 544 |
|
544 | gdImageSetTile(image,himg); |
| 545 |
|
545 | patchgdImageFill(image,pm->p[0],pm->p[1],gdTiled); |
| 546 |
|
546 | gdImageDestroy(himg); |
| 547 |
|
547 | if(tiled) gdImageSetTile(image,tileimg); |
| 548 | } |
548 | } |
| 549 | 549 | ||
| 550 | /* flood fill with double hatching */ |
550 | /* flood fill with double hatching */ |
| 551 | void obj_dotfill(objparm *pm) |
551 | void obj_dotfill(objparm *pm) |
| 552 | { |
552 | { |
| 553 |
|
553 | int nx,ny, c; |
| 554 |
|
554 | scale(pm->pd,pm->p,1); |
| 555 |
|
555 | nx=pm->pd[2]; ny=pm->pd[3]; nx=abs(nx); ny=abs(ny); |
| 556 |
|
556 | if(nx==0 && ny==0) {fly_error("bad grid size"); return;} |
| 557 |
|
557 | c=makehatchimage(nx,ny,pm->p[0],pm->p[1],pm->color[0]); |
| 558 |
|
558 | gdImageSetPixel(himg,nx/2,ny/2,c); |
| 559 |
|
559 | gdImageSetTile(image,himg); |
| 560 |
|
560 | patchgdImageFill(image,pm->p[0],pm->p[1],gdTiled); |
| 561 |
|
561 | gdImageDestroy(himg); |
| 562 |
|
562 | if(tiled) gdImageSetTile(image,tileimg); |
| 563 | } |
563 | } |
| 564 | 564 | ||
| 565 | struct { |
565 | struct { |
| 566 |
|
566 | char *name; |
| 567 |
|
567 | gdFontPtr *fpt; |
| 568 | } fonttab[]={ |
568 | } fonttab[]={ |
| 569 |
|
569 | {"tiny", &gdFontTiny}, |
| 570 |
|
570 | {"small", &gdFontSmall}, |
| 571 |
|
571 | {"medium",&gdFontMediumBold}, |
| 572 |
|
572 | {"large", &gdFontLarge}, |
| 573 |
|
573 | {"giant", &gdFontGiant}, |
| 574 |
|
574 | {"huge", &gdFontGiant} |
| 575 | }; |
575 | }; |
| 576 | 576 | ||
| 577 | #define fonttab_no (sizeof(fonttab)/sizeof(fonttab[0])) |
577 | #define fonttab_no (sizeof(fonttab)/sizeof(fonttab[0])) |
| 578 | 578 | ||
| 579 | /* string */ |
579 | /* string */ |
| 580 | void obj_string(objparm *pm) |
580 | void obj_string(objparm *pm) |
| 581 | { |
581 | { |
| 582 |
|
582 | char *pp, *pe, *p2; |
| 583 |
|
583 | int i; |
| 584 |
|
584 | pp=pm->str; pe=strchr(pp,','); if(pe==NULL) { |
| 585 |
|
585 | fly_error("too_few_parms"); return; |
| 586 |
|
586 | } |
| 587 |
|
587 | *pe++=0; pp=find_word_start(pp); *find_word_end(pp)=0; |
| 588 |
|
588 | pe=find_word_start(pe); strip_trailing_spaces(pe); |
| 589 |
|
589 | if(*pp) { |
| 590 |
|
590 | for(i=0;i<fonttab_no && strcmp(pp,fonttab[i].name)!=0; i++); |
| 591 |
|
591 | if(i>=fonttab_no) i=1; |
| 592 |
|
592 | } |
| 593 |
|
593 | else i=1; |
| 594 |
|
594 | scale(pm->pd,pm->p,1); |
| 595 |
|
595 | if(*pe=='"') { |
| 596 |
|
596 | p2=strchr(pe+1,'"'); |
| 597 |
|
597 | if(p2 && *(p2+1)==0) {*p2=0; pe++;} |
| 598 |
|
598 | } |
| 599 |
|
599 | if(pm->fill) |
| 600 |
|
600 | gdImageStringUp(image,*(fonttab[i].fpt),pm->p[0],pm->p[1], (unsigned char*) pe, |
| 601 |
|
601 | pm->color[0]); |
| 602 |
|
602 | else |
| 603 |
|
603 | gdImageString(image,*(fonttab[i].fpt),pm->p[0],pm->p[1], (unsigned char*) pe, |
| 604 |
|
604 | pm->color[0]); |
| 605 | } |
605 | } |
| 606 | 606 | ||
| 607 | /* point */ |
607 | /* point */ |
| 608 | void obj_point(objparm *pm) |
608 | void obj_point(objparm *pm) |
| 609 | { |
609 | { |
| 610 |
|
610 | scale(pm->pd,pm->p,1); |
| 611 |
|
611 | gdImageSetPixel(image,pm->p[0],pm->p[1],pm->color[0]); |
| 612 | } |
612 | } |
| 613 | 613 | ||
| 614 | /* copy an image file */ |
614 | /* copy an image file */ |
| 615 | void obj_copy(objparm *pm) |
615 | void obj_copy(objparm *pm) |
| 616 | { |
616 | { |
| 617 |
|
617 | char *pp; |
| 618 |
|
618 | FILE *inf; |
| 619 |
|
619 | gdImagePtr insimg; |
| 620 | 620 | ||
| 621 |
|
621 | pp=find_word_start(pm->str);*find_word_end(pp)=0; |
| 622 |
|
622 | inf=open4read(pp); |
| 623 |
|
623 | if(inf==NULL) { |
| 624 |
|
624 | fly_error("file_not_exist"); return; |
| 625 |
|
625 | } |
| 626 |
|
626 | insimg=gdImageCreateFromGif(inf); fclose(inf); |
| 627 |
|
627 | if(insimg==NULL) { |
| 628 |
|
628 | fly_error("bad_gif"); return; |
| 629 |
|
629 | } |
| 630 |
|
630 | scale(pm->pd,pm->p,1); |
| 631 |
|
631 | if(pm->pd[2]<0 && pm->pd[3]<0 && pm->pd[4]<0 && pm->pd[5]<0) |
| 632 |
|
632 | gdImageCopy(image,insimg,pm->p[0],pm->p[1],0,0, |
| 633 |
|
633 | insimg->sx,insimg->sy); |
| 634 |
|
634 | else |
| 635 |
|
635 | gdImageCopy(image,insimg,pm->p[0],pm->p[1],pm->pd[2],pm->pd[3], |
| 636 |
|
636 | pm->pd[4]-pm->pd[2],pm->pd[5]-pm->pd[3]); |
| 637 |
|
637 | gdImageDestroy(insimg); |
| 638 | } |
638 | } |
| 639 | 639 | ||
| 640 | /* copy an image file, with resizing */ |
640 | /* copy an image file, with resizing */ |
| 641 | void obj_copyresize(objparm *pm) |
641 | void obj_copyresize(objparm *pm) |
| 642 | { |
642 | { |
| 643 |
|
643 | char *pp; |
| 644 |
|
644 | FILE *inf; |
| 645 |
|
645 | gdImagePtr insimg; |
| 646 | 646 | ||
| 647 |
|
647 | pp=find_word_start(pm->str);*find_word_end(pp)=0; |
| 648 |
|
648 | inf=open4read(pp); |
| 649 |
|
649 | if(inf==NULL) { |
| 650 |
|
650 | fly_error("file_not_found"); return; |
| 651 |
|
651 | } |
| 652 |
|
652 | insimg=gdImageCreateFromGif(inf); fclose(inf); |
| 653 |
|
653 | if(insimg==NULL) { |
| 654 |
|
654 | fly_error("bad_gif"); return; |
| 655 |
|
655 | } |
| 656 |
|
656 | scale(pm->pd+4,pm->p+4,2); |
| 657 |
|
657 | if(pm->pd[0]<0 && pm->pd[1]<0 && pm->pd[2]<0 && pm->pd[3]<0) |
| 658 |
|
658 | gdImageCopyResized(image,insimg,pm->p[4],pm->p[5],0,0, |
| 659 |
|
659 | pm->p[6]-pm->p[4]+1,pm->p[7]-pm->p[5]+1, |
| 660 |
|
660 | insimg->sx,insimg->sy); |
| 661 |
|
661 | else |
| 662 |
|
662 | gdImageCopyResized(image,insimg,pm->p[4],pm->p[5],pm->pd[0],pm->pd[1], |
| 663 |
|
663 | pm->p[6]-pm->p[4]+1,pm->p[7]-pm->p[5]+1, |
| 664 |
|
664 | pm->pd[2]-pm->pd[0]+1,pm->pd[3]-pm->pd[1]+1); |
| 665 |
|
665 | gdImageDestroy(insimg); |
| 666 | } |
666 | } |
| 667 | 667 | ||
| 668 | /* set brush or tile */ |
668 | /* set brush or tile */ |
| 669 | void obj_setbrush(objparm *pm) |
669 | void obj_setbrush(objparm *pm) |
| 670 | { |
670 | { |
| 671 |
|
671 | char *pp; |
| 672 |
|
672 | FILE *inf; |
| 673 |
|
673 | gdImagePtr insimg; |
| 674 | 674 | ||
| 675 |
|
675 | pp=find_word_start(pm->str); *find_word_end(pp)=0; |
| 676 |
|
676 | inf=open4read(pp); if(inf==NULL) { |
| 677 |
|
677 | fly_error("file_not_found"); return; |
| 678 |
|
678 | } |
| 679 |
|
679 | insimg=gdImageCreateFromGif(inf); fclose(inf); |
| 680 |
|
680 | if(insimg==NULL) { |
| 681 |
|
681 | fly_error("bad_gif"); return; |
| 682 |
|
682 | } |
| 683 |
|
683 | if(pm->fill) { |
| 684 |
|
684 | gdImageSetTile(image,insimg); tiled=1; tileimg=insimg; |
| 685 |
|
685 | } |
| 686 |
|
686 | else { |
| 687 |
|
687 | gdImageSetBrush(image,insimg);brushed=1; brushimg=insimg; |
| 688 |
|
688 | } |
| 689 | } |
689 | } |
| 690 | 690 | ||
| 691 | /* kill brush */ |
691 | /* kill brush */ |
| 692 | void obj_killbrush(objparm *pm) |
692 | void obj_killbrush(objparm *pm) |
| 693 | { |
693 | { |
| 694 |
|
694 | if(brushimg) gdImageDestroy(brushimg); |
| 695 |
|
695 | brushed=0; brushimg=NULL; |
| 696 | } |
696 | } |
| 697 | 697 | ||
| 698 | /* kill tile */ |
698 | /* kill tile */ |
| 699 | void obj_killtile(objparm *pm) |
699 | void obj_killtile(objparm *pm) |
| 700 | { |
700 | { |
| 701 |
|
701 | if(tileimg) gdImageDestroy(tileimg); |
| 702 |
|
702 | tiled=0; tileimg=NULL; |
| 703 | } |
703 | } |
| 704 | 704 | ||
| 705 | /* set style */ |
705 | /* set style */ |
| 706 | void obj_setstyle(objparm *pm) |
706 | void obj_setstyle(objparm *pm) |
| 707 | { |
707 | { |
| 708 |
|
708 | int i,t; |
| 709 |
|
709 | t=pm->pcnt/3; if(t<=0) { |
| 710 |
|
710 | fly_error("too_few_parms"); return; |
| 711 |
|
711 | } |
| 712 |
|
712 | for(i=0;i<t;i++) { |
| 713 |
|
713 | if(pm->pd[3*i]<0 || pm->pd[3*i+1]<0 || pm->pd[3*i+2]<0) |
| 714 |
|
714 | pm->p[i]=gdTransparent; |
| 715 |
|
715 | else |
| 716 |
|
716 | pm->p[i]=getcolor(pm->pd[3*i],pm->pd[3*i+1],pm->pd[3*i+2]); |
| 717 |
|
717 | } |
| 718 |
|
718 | gdImageSetStyle(image,pm->p,t); styled=1; |
| 719 | } |
719 | } |
| 720 | 720 | ||
| 721 | /* kill style */ |
721 | /* kill style */ |
| 722 | void obj_killstyle(objparm *pm) |
722 | void obj_killstyle(objparm *pm) |
| 723 | { |
723 | { |
| 724 |
|
724 | styled=0; |
| 725 | } |
725 | } |
| 726 | 726 | ||
| 727 | /* set transparent */ |
727 | /* set transparent */ |
| 728 | void obj_transp(objparm *pm) |
728 | void obj_transp(objparm *pm) |
| 729 | { |
729 | { |
| 730 |
|
730 | gdImageColorTransparent(image,pm->color[0]); |
| 731 | } |
731 | } |
| 732 | 732 | ||
| 733 | /* set interlace */ |
733 | /* set interlace */ |
| 734 | void obj_interlace(objparm *pm) |
734 | void obj_interlace(objparm *pm) |
| 735 | { |
735 | { |
| 736 |
|
736 | gdImageInterlace(image,1); |
| 737 | } |
737 | } |
| 738 | 738 | ||
| 739 | /* set linewidth */ |
739 | /* set linewidth */ |
| 740 | void obj_linewidth(objparm *pm) |
740 | void obj_linewidth(objparm *pm) |
| 741 | { |
741 | { |
| 742 |
|
742 | if(pm->pd[0]<1 || pm->pd[0]>255) fly_error("bad_parms"); |
| 743 |
|
743 | else width=pm->pd[0]; |
| 744 | } |
744 | } |
| 745 | 745 | ||
| 746 | /* set crosshairsize */ |
746 | /* set crosshairsize */ |
| 747 | void obj_crosshairsize(objparm *pm) |
747 | void obj_crosshairsize(objparm *pm) |
| 748 | { |
748 | { |
| 749 |
|
749 | if(pm->pd[0]<1 || pm->pd[0]>255) fly_error("bad_parms"); |
| 750 |
|
750 | else width2=pm->pd[0]; |
| 751 | } |
751 | } |
| 752 | 752 | ||
| 753 | /* set x range */ |
753 | /* set x range */ |
| 754 | void obj_xrange(objparm *pm) |
754 | void obj_xrange(objparm *pm) |
| 755 | { |
755 | { |
| 756 |
|
756 | double dd; |
| 757 |
|
757 | dd=pm->pd[1]-pm->pd[0]; |
| 758 |
|
758 | xstart=pm->pd[0]; xscale=sizex/dd; |
| 759 | } |
759 | } |
| 760 | 760 | ||
| 761 | /* set y range */ |
761 | /* set y range */ |
| 762 | void obj_yrange(objparm *pm) |
762 | void obj_yrange(objparm *pm) |
| 763 | { |
763 | { |
| 764 |
|
764 | double dd; |
| 765 |
|
765 | dd=pm->pd[1]-pm->pd[0]; |
| 766 |
|
766 | ystart=pm->pd[1]; yscale=-sizey/dd; |
| 767 | } |
767 | } |
| 768 | 768 | ||
| 769 | /* set x et y range */ |
769 | /* set x et y range */ |
| 770 | void obj_range(objparm *pm) |
770 | void obj_range(objparm *pm) |
| 771 | { |
771 | { |
| 772 |
|
772 | double d1,d2; |
| 773 |
|
773 | d1=pm->pd[1]-pm->pd[0]; d2=pm->pd[3]-pm->pd[2]; |
| 774 |
|
774 | xstart=pm->pd[0]; xscale=(sizex-1)/d1; |
| 775 |
|
775 | ystart=pm->pd[3]; yscale=-(sizey-1)/d2; |
| 776 | } |
776 | } |
| 777 | 777 | ||
| 778 | /* set t range */ |
778 | /* set t range */ |
| 779 | void obj_trange(objparm *pm) |
779 | void obj_trange(objparm *pm) |
| 780 | { |
780 | { |
| 781 |
|
781 | /*double dd; |
| 782 | |
782 | dd=pm->pd[1]-pm->pd[0];*/ |
| 783 |
|
783 | tstart=pm->pd[0]; tend=pm->pd[1]; |
| 784 |
|
784 | tranged=1; |
| 785 | } |
785 | } |
| 786 | 786 | ||
| 787 | /* set tstep (plotting step) */ |
787 | /* set tstep (plotting step) */ |
| 788 | void obj_tstep(objparm *pm) |
788 | void obj_tstep(objparm *pm) |
| 789 | { |
789 | { |
| 790 |
|
790 | int dd; |
| 791 |
|
791 | dd=pm->pd[0]; |
| 792 |
|
792 | if(dd<3) { |
| 793 |
|
793 | fly_error("bad_step"); return; |
| 794 |
|
794 | } |
| 795 |
|
795 | if(dd>2000) dd=2000; |
| 796 |
|
796 | tstep=dd; |
| 797 | } |
797 | } |
| 798 | 798 | ||
| 799 | /* set plotjump (plot jump break threashold) */ |
799 | /* set plotjump (plot jump break threashold) */ |
| 800 | void obj_plotjump(objparm *pm) |
800 | void obj_plotjump(objparm *pm) |
| 801 | { |
801 | { |
| 802 |
|
802 | int dd; |
| 803 |
|
803 | dd=pm->pd[0]; |
| 804 |
|
804 | if(dd<3) dd=3; |
| 805 |
|
805 | if(dd>MAX_SIZE) dd=MAX_SIZE; |
| 806 |
|
806 | plotjump=dd; |
| 807 | } |
807 | } |
| 808 | 808 | ||
| 809 | /* plot a curve, either parametric or explicit */ |
809 | /* plot a curve, either parametric or explicit */ |
| 810 | void _obj_plot(objparm *pm,int dash) |
810 | void _obj_plot(objparm *pm,int dash) |
| 811 | { |
811 | { |
| 812 |
|
812 | int i,j,n,dist,xx,yy,varpos; |
| 813 |
|
813 | char p1[MAX_LINELEN+1], p2[MAX_LINELEN+1]; |
| 814 |
|
814 | char *varn, *pp; |
| 815 |
|
815 | double dc[2],t,v; |
| 816 |
|
816 | int ic[2],oc[2]; |
| 817 | 817 | ||
| 818 |
|
818 | n=itemnum(pm->str); |
| 819 |
|
819 | if(n<1) { |
| 820 |
|
820 | fly_error("bad_parms"); return; |
| 821 |
|
821 | } |
| 822 |
|
822 | fnd_item(pm->str,1,p1); fnd_item(pm->str,2,p2); |
| 823 |
|
823 | if(n==1 && !tranged) v=sizex/xscale/tstep; |
| 824 |
|
824 | else v=(tend-tstart)/tstep; |
| 825 |
|
825 | if(n==1) varn="x"; else varn="t"; |
| 826 |
|
826 | for(pp=varchr(p1,varn); pp; pp=varchr(pp,varn)) { |
| 827 |
|
827 | string_modify(p1,pp,pp+strlen(varn),EV_T); |
| 828 |
|
828 | pp+=strlen(EV_T); |
| 829 |
|
829 | } |
| 830 |
|
830 | for(pp=varchr(p2,varn); pp; pp=varchr(pp,varn)) { |
| 831 |
|
831 | string_modify(p2,pp,pp+strlen(varn),EV_T); |
| 832 | pp+=strlen(EV_T); |
832 | pp+=strlen(EV_T); |
| 833 |
|
833 | } |
| 834 |
|
834 | varpos=eval_getpos(EV_T); |
| 835 |
|
835 | if(varpos<0) return; /* unknown error */ |
| 836 |
|
836 | evalue_compile(p1); evalue_compile(p2); |
| 837 |
|
837 | if(vimg_enable) vimg_plotstart(); |
| 838 |
|
838 | for(i=j=0;i<=tstep;i++) { |
| 839 |
|
839 | if(n==1) { |
| 840 |
|
840 | if(tranged) t=tstart+i*v; else t=xstart+i*v; |
| 841 |
|
841 | eval_setval(varpos,t); dc[0]=t; dc[1]=strevalue(p1); |
| 842 |
|
842 | } |
| 843 |
|
843 | else { |
| 844 |
|
844 | t=tstart+i*v; eval_setval(varpos,t); |
| 845 |
|
845 | dc[0]=strevalue(p1); dc[1]=strevalue(p2); |
| 846 |
|
846 | } |
| 847 |
|
847 | if(!isfinite(dc[0]) || !isfinite(dc[1])) ic[0]=ic[1]=-BOUND; |
| 848 |
|
848 | else scale(dc,ic,1); |
| 849 |
|
849 | if(vimg_enable) vimg_plot1 (scale_buf[0],scale_buf[1]); |
| 850 |
|
850 | if(j==0) { |
| 851 |
|
851 | gdImageSetPixel(image,ic[0],ic[1],pm->color[0]); j++; |
| 852 |
|
852 | } |
| 853 |
|
853 | else { |
| 854 |
|
854 | xx=ic[0]-oc[0]; yy=ic[1]-oc[1]; |
| 855 |
|
855 | dist=sqrt(xx*xx+yy*yy); |
| 856 |
|
856 | if(dist>0) { |
| 857 |
|
857 | if(dist>plotjump || dist==1) |
| 858 |
|
858 | gdImageSetPixel(image,ic[0],ic[1],pm->color[0]); |
| 859 |
|
859 | else |
| 860 |
|
860 | if ( dash==1) |
| 861 |
|
861 | gdImageDashedLine(image,oc[0],oc[1],ic[0],ic[1],pm->color[0]); |
| 862 |
|
862 | else |
| 863 |
|
863 | gdImageLine(image,oc[0],oc[1],ic[0],ic[1],pm->color[0]); |
| 864 | - | ||
| 865 |
|
864 | } |
| 866 |
|
865 | } |
| 867 |
|
866 | memmove(oc,ic,sizeof(oc)); |
| 868 |
|
867 | } |
| 869 |
|
868 | if(vimg_enable) vimg_plotend(); |
| 870 | } |
869 | } |
| 871 | 870 | ||
| 872 | void obj_plot(objparm *pm) { _obj_plot( pm,0) ;} |
871 | void obj_plot(objparm *pm) { _obj_plot( pm,0) ;} |
| 873 | void obj_dplot(objparm *pm) { _obj_plot( pm,1) ; } |
872 | void obj_dplot(objparm *pm) { _obj_plot( pm,1) ; } |
| 874 | 873 | ||
| 875 | /* set levelcurve granularity */ |
874 | /* set levelcurve granularity */ |
| 876 | void obj_levelstep(objparm *pm) |
875 | void obj_levelstep(objparm *pm) |
| 877 | { |
876 | { |
| 878 |
|
877 | int dd; |
| 879 |
|
878 | dd=pm->pd[0]; |
| 880 |
|
879 | if(dd<1) return; |
| 881 |
|
880 | if(dd>16) dd=16; |
| 882 |
|
881 | lstep=dd; |
| 883 | } |
882 | } |
| 884 | 883 | ||
| 885 | /* level curve */ |
884 | /* level curve */ |
| 886 | void obj_levelcurve(objparm *pm) |
885 | void obj_levelcurve(objparm *pm) |
| 887 | { |
886 | { |
| 888 |
|
887 | char fn[MAX_LINELEN+1],tc[MAX_LINELEN+1]; |
| 889 |
|
888 | int n,i; |
| 890 |
|
889 | double d; |
| 891 |
|
890 | leveldata *ld; |
| 892 | 891 | ||
| 893 |
|
892 | ld=xmalloc(sizeof(leveldata)+16); |
| 894 |
|
893 | ld->xname="x"; ld->yname="y"; |
| 895 |
|
894 | ld->xsize=sizex; ld->ysize=sizey; ld->datacnt=0; |
| 896 |
|
895 | ld->xrange[0]=xstart; ld->xrange[1]=sizex/xscale+xstart; |
| 897 |
|
896 | ld->yrange[0]=sizey/yscale+ystart; ld->yrange[1]=ystart; |
| 898 |
|
897 | ld->grain=lstep; |
| 899 |
|
898 | fnd_item(pm->str,1,fn); ld->fn=fn; |
| 900 |
|
899 | n=itemnum(pm->str); |
| 901 |
|
900 | if(n<=1) {ld->levelcnt=1; ld->levels[0]=0;} |
| 902 |
|
901 | else { |
| 903 |
|
902 | if(n>LEVEL_LIM+1) n=LEVEL_LIM+1; |
| 904 |
|
903 | for(i=0;i<n-1;i++) { |
| 905 |
|
904 | fnd_item(pm->str,i+2,tc); |
| 906 |
|
905 | d=strevalue(tc); |
| 907 |
|
906 | if(isfinite(d)) ld->levels[i]=d; else ld->levels[i]=0; |
| 908 | } |
- | |
| 909 | ld->levelcnt=n-1; |
- | |
| 910 | } |
- | |
| 911 | levelcurve(ld); |
- | |
| 912 | for(i=0;i<ld->datacnt;i++) { |
- | |
| 913 | gdImageSetPixel(image,ld->xdata[i],ld->ydata[i],pm->color[0]); |
- | |
| 914 | } |
907 | } |
| - | 908 | ld->levelcnt=n-1; |
|
| - | 909 | } |
|
| - | 910 | levelcurve(ld); |
|
| - | 911 | for(i=0;i<ld->datacnt;i++) { |
|
| - | 912 | gdImageSetPixel(image,ld->xdata[i],ld->ydata[i],pm->color[0]); |
|
| - | 913 | } |
|
| 915 |
|
914 | free(ld); |
| 916 | } |
915 | } |
| 917 | 916 | ||
| 918 | /* set animation step */ |
917 | /* set animation step */ |
| 919 | void obj_animstep(objparm *pm) |
918 | void obj_animstep(objparm *pm) |
| 920 | { |
919 | { |
| 921 |
|
920 | animstep=pm->pd[0]; |
| 922 |
|
921 | setvar("animstep",pm->pd[0]); |
| 923 | } |
922 | } |
| 924 | 923 | ||
| 925 | /* Starts a line counting */ |
924 | /* Starts a line counting */ |
| 926 | void obj_linecount(objparm *pm) |
925 | void obj_linecount(objparm *pm) |
| 927 | { |
926 | { |
| 928 |
|
927 | linecnt=pm->pd[0]; |
| 929 | } |
928 | } |
| 930 | 929 | ||
| 931 | /* marks end of execution */ |
930 | /* marks end of execution */ |
| 932 | void obj_end(objparm *pm) |
931 | void obj_end(objparm *pm) |
| 933 | { |
932 | { |
| 934 |
|
933 | fly_error("successful_end_of_execution"); |
| 935 | } |
934 | } |
| 936 | 935 | ||
| 937 | /* output */ |
936 | /* output */ |
| 938 | void obj_output(objparm *pm) |
937 | void obj_output(objparm *pm) |
| 939 | { |
938 | { |
| 940 |
|
939 | char *p, namebuf[1024]; |
| 941 |
|
940 | p=find_word_start(pm->str); *find_word_end(p)=0; |
| 942 |
|
941 | snprintf(namebuf,sizeof(namebuf),"%s",imagefilename); |
| 943 |
|
942 | snprintf(imagefilename,sizeof(imagefilename),"%s",p); |
| 944 |
|
943 | output(); |
| 945 |
|
944 | snprintf(imagefilename,sizeof(imagefilename),"%s",namebuf); |
| 946 | } |
945 | } |
| 947 | 946 | ||
| 948 | /* vimgfile */ |
947 | /* vimgfile */ |
| 949 | void obj_vimgfile(objparm *pm) |
948 | void obj_vimgfile(objparm *pm) |
| 950 | { |
949 | { |
| 951 |
|
950 | char *p; |
| 952 |
|
951 | p=find_word_start(pm->str); *find_word_end(p)=0; |
| 953 |
|
952 | snprintf(vimgfilename,sizeof(vimgfilename),"%s",p); |
| 954 |
|
953 | if(vimg_ready) vimg_close(); |
| 955 | } |
954 | } |
| 956 | 955 | ||
| 957 | /* vimg enable/disable */ |
956 | /* vimg enable/disable */ |
| 958 | void obj_vimg(objparm *pm) |
957 | void obj_vimg(objparm *pm) |
| 959 | { |
958 | { |
| 960 |
|
959 | vimg_enable=pm->pd[0]; |
| 961 |
|
960 | if(vimg_enable>0 && vimg_ready==0) vimg_init(); |
| 962 | vimg_init(); |
- | |
| 963 | } |
- | |
| 964 | } |
961 | } |
| 965 | 962 | ||
| 966 | /* Set affine transformation */ |
963 | /* Set affine transformation */ |
| 967 | void obj_affine(objparm *pm) |
964 | void obj_affine(objparm *pm) |
| 968 | { |
965 | { |
| 969 |
|
966 | int i; |
| 970 |
|
967 | for(i=0;i<4;i++) matrix[i]=pm->pd[i]; |
| 971 |
|
968 | transx=pm->pd[4]; transy=pm->pd[5]; |
| 972 |
|
969 | transform=1; |
| 973 | } |
970 | } |
| 974 | 971 | ||
| 975 | /* Set affine transformation */ |
972 | /* Set affine transformation */ |
| 976 | void obj_rotation(objparm *pm) |
973 | void obj_rotation(objparm *pm) |
| 977 | { |
974 | { |
| 978 |
|
975 | double r; |
| 979 |
|
976 | r=M_PI*pm->pd[0]/180; |
| 980 |
|
977 | matrix[0]=matrix[3]=cos(r); |
| 981 |
|
978 | matrix[1]=-sin(r); matrix[2]=sin(r); |
| 982 |
|
979 | transform=1; |
| 983 | } |
980 | } |
| 984 | 981 | ||
| 985 | /* Set linear transformation */ |
982 | /* Set linear transformation */ |
| 986 | void obj_linear(objparm *pm) |
983 | void obj_linear(objparm *pm) |
| 987 | { |
984 | { |
| 988 |
|
985 | int i; |
| 989 |
|
986 | for(i=0;i<4;i++) matrix[i]=pm->pd[i]; |
| 990 |
|
987 | transform=1; |
| 991 | } |
988 | } |
| 992 | 989 | ||
| 993 | /* Set translation transformation */ |
990 | /* Set translation transformation */ |
| 994 | void obj_translation(objparm *pm) |
991 | void obj_translation(objparm *pm) |
| 995 | { |
992 | { |
| 996 |
|
993 | transx=pm->pd[0]; transy=pm->pd[1]; |
| 997 | } |
994 | } |
| 998 | 995 | ||
| 999 | /* kill affine transformation */ |
996 | /* kill affine transformation */ |
| 1000 | void obj_killaffine(objparm *pm) |
997 | void obj_killaffine(objparm *pm) |
| 1001 | { |
998 | { |
| 1002 |
|
999 | matrix[0]=matrix[3]=1; |
| 1003 |
|
1000 | matrix[1]=matrix[2]=transx=transy=0; |
| 1004 |
|
1001 | transform=0; |
| 1005 | } |
1002 | } |
| 1006 | 1003 | ||
| 1007 | /* kill affine transformation */ |
1004 | /* kill affine transformation */ |
| 1008 | void obj_killlinear(objparm *pm) |
1005 | void obj_killlinear(objparm *pm) |
| 1009 | { |
1006 | { |
| 1010 |
|
1007 | matrix[0]=matrix[3]=1; |
| 1011 |
|
1008 | matrix[1]=matrix[2]=0; |
| 1012 |
|
1009 | transform=0; |
| 1013 | } |
1010 | } |
| 1014 | 1011 | ||
| 1015 | /* kill affine transformation */ |
1012 | /* kill affine transformation */ |
| 1016 | void obj_killtranslation(objparm *pm) |
1013 | void obj_killtranslation(objparm *pm) |
| 1017 | { |
1014 | { |
| 1018 |
|
1015 | transx=transy=0; |
| 1019 | } |
1016 | } |
| 1020 | 1017 | ||
| 1021 | /***** Les modifs de Jean-Christophe Leger Fev 2006 *****/ |
1018 | /***** Les modifs de Jean-Christophe Leger Fev 2006 *****/ |
| 1022 | 1019 | ||
| 1023 | /* arguments: un numero de matrice entre 1 et JC_NB_MATRICES, une liste de 4 nombres reels pour la matrice */ |
1020 | /* arguments: un numero de matrice entre 1 et JC_NB_MATRICES, une liste de 4 nombres reels pour la matrice */ |
| 1024 | void obj_setmatrix(objparm *pm) |
1021 | void obj_setmatrix(objparm *pm) |
| 1025 | { |
1022 | { |
| 1026 | int nummatrix = (int) (pm->pd[0]); |
1023 | int nummatrix = (int) (pm->pd[0]); |
| 1027 | if((nummatrix < 1) ||(nummatrix>JC_NB_MATRICES)) { |
1024 | if((nummatrix < 1) ||(nummatrix>JC_NB_MATRICES)) { |
| 1028 | fly_error("bad_matrix_number"); |
1025 | fly_error("bad_matrix_number"); |
| 1029 | return; |
1026 | return; |
| 1030 | } |
1027 | } |
| 1031 | matrices_pavage[nummatrix][0] = pm->pd[1]; |
1028 | matrices_pavage[nummatrix][0] = pm->pd[1]; |
| 1032 | matrices_pavage[nummatrix][1] = pm->pd[2]; |
1029 | matrices_pavage[nummatrix][1] = pm->pd[2]; |
| 1033 | matrices_pavage[nummatrix][2] = pm->pd[3]; |
1030 | matrices_pavage[nummatrix][2] = pm->pd[3]; |
| 1034 | matrices_pavage[nummatrix][3] = pm->pd[4]; |
1031 | matrices_pavage[nummatrix][3] = pm->pd[4]; |
| 1035 | } |
1032 | } |
| 1036 | 1033 | ||
| 1037 | /* arguments: un numero de matrice entre 1 et JC_NB_MATRICES */ |
1034 | /* arguments: un numero de matrice entre 1 et JC_NB_MATRICES */ |
| 1038 | void obj_resetmatrix(objparm *pm) |
1035 | void obj_resetmatrix(objparm *pm) |
| 1039 | { |
1036 | { |
| 1040 | int nummatrix = (int) (pm->pd[0]); |
1037 | int nummatrix = (int) (pm->pd[0]); |
| 1041 | if((nummatrix < 1) ||(nummatrix>JC_NB_MATRICES)) { |
1038 | if((nummatrix < 1) ||(nummatrix>JC_NB_MATRICES)) { |
| 1042 | fly_error("bad_matrix_number"); |
1039 | fly_error("bad_matrix_number"); |
| 1043 | return; |
1040 | return; |
| 1044 | } |
1041 | } |
| 1045 | matrices_pavage[nummatrix][0] = 1; |
1042 | matrices_pavage[nummatrix][0] = 1; |
| 1046 | matrices_pavage[nummatrix][1] = 0; |
1043 | matrices_pavage[nummatrix][1] = 0; |
| 1047 | matrices_pavage[nummatrix][2] = 0; |
1044 | matrices_pavage[nummatrix][2] = 0; |
| 1048 | matrices_pavage[nummatrix][3] = 1; |
1045 | matrices_pavage[nummatrix][3] = 1; |
| 1049 | 1046 | ||
| 1050 | } |
1047 | } |
| 1051 | /* arguments: un numero de vecteur entre 1 et JC_NB_MATRICES, une liste de 2 nombres reels pour le vecteur */ |
1048 | /* arguments: un numero de vecteur entre 1 et JC_NB_MATRICES, une liste de 2 nombres reels pour le vecteur */ |
| 1052 | void obj_setvector(objparm *pm) |
1049 | void obj_setvector(objparm *pm) |
| 1053 | { |
1050 | { |
| 1054 | int nummatrix = (int) (pm->pd[0]); |
1051 | int nummatrix = (int) (pm->pd[0]); |
| 1055 | if((nummatrix < 1) ||(nummatrix>JC_NB_MATRICES)) { |
1052 | if((nummatrix < 1) ||(nummatrix>JC_NB_MATRICES)) { |
| Line 1060... | Line 1057... | ||
| 1060 | vecteurs_pavage[nummatrix][1] = pm->pd[2]; |
1057 | vecteurs_pavage[nummatrix][1] = pm->pd[2]; |
| 1061 | } |
1058 | } |
| 1062 | 1059 | ||
| 1063 | /* arguments: un numero de matrice entre 1 et JC_NB_MATRICES */ |
1060 | /* arguments: un numero de matrice entre 1 et JC_NB_MATRICES */ |
| 1064 | void obj_resetvector(objparm *pm) |
1061 | void obj_resetvector(objparm *pm) |
| 1065 | { |
1062 | { |
| 1066 | int nummatrix = (int) (pm->pd[0]); |
1063 | int nummatrix = (int) (pm->pd[0]); |
| 1067 | if((nummatrix < 1) ||(nummatrix>JC_NB_MATRICES)) { |
1064 | if((nummatrix < 1) ||(nummatrix>JC_NB_MATRICES)) { |
| 1068 | fly_error("bad_vector_number"); |
1065 | fly_error("bad_vector_number"); |
| 1069 | return; |
1066 | return; |
| 1070 | } |
1067 | } |
| 1071 | vecteurs_pavage[nummatrix][0] = 0; |
1068 | vecteurs_pavage[nummatrix][0] = 0; |
| 1072 | vecteurs_pavage[nummatrix][1] = 0; |
1069 | vecteurs_pavage[nummatrix][1] = 0; |
| 1073 | } |
1070 | } |
| 1074 | 1071 | ||
| 1075 | /* arguments: un numero de vecteur entre 1 et JC_NB_MATRICES, une liste de 6 nombres reels pour la matrice et le vecteur */ |
1072 | /* arguments: un numero de vecteur entre 1 et JC_NB_MATRICES, une liste de 6 nombres reels pour la matrice et le vecteur */ |
| 1076 | void obj_settransform(objparm *pm) |
1073 | void obj_settransform(objparm *pm) |
| 1077 | { |
1074 | { |
| 1078 | int nummatrix = (int) (pm->pd[0]); |
1075 | int nummatrix = (int) (pm->pd[0]); |
| 1079 | if((nummatrix < 1) ||(nummatrix>JC_NB_MATRICES)) { |
1076 | if((nummatrix < 1) ||(nummatrix>JC_NB_MATRICES)) { |
| 1080 | fly_error("bad_vector_number"); |
1077 | fly_error("bad_vector_number"); |
| 1081 | return; |
1078 | return; |
| 1082 | } |
1079 | } |
| 1083 | matrices_pavage[nummatrix][0] = pm->pd[1]; |
1080 | matrices_pavage[nummatrix][0] = pm->pd[1]; |
| 1084 | matrices_pavage[nummatrix][1] = pm->pd[2]; |
1081 | matrices_pavage[nummatrix][1] = pm->pd[2]; |
| Line 1101... | Line 1098... | ||
| 1101 | vecteurs_pavage[nummatrix][1] = 0; |
1098 | vecteurs_pavage[nummatrix][1] = 0; |
| 1102 | matrices_pavage[nummatrix][0] = 1; |
1099 | matrices_pavage[nummatrix][0] = 1; |
| 1103 | matrices_pavage[nummatrix][1] = 0; |
1100 | matrices_pavage[nummatrix][1] = 0; |
| 1104 | matrices_pavage[nummatrix][2] = 0; |
1101 | matrices_pavage[nummatrix][2] = 0; |
| 1105 | matrices_pavage[nummatrix][3] = 1; |
1102 | matrices_pavage[nummatrix][3] = 1; |
| 1106 | } |
1103 | } |
| 1107 | 1104 | ||
| 1108 | /* arguments: une liste de 6 nombres reels pour les coordonnees de l'origine et des vecteurs de base */ |
1105 | /* arguments: une liste de 6 nombres reels pour les coordonnees de l'origine et des vecteurs de base */ |
| 1109 | void obj_setparallelogram(objparm *pm) |
1106 | void obj_setparallelogram(objparm *pm) |
| 1110 | { |
1107 | { |
| 1111 | int i; |
1108 | int i; |
| 1112 | for(i=0;i<6;i++) parallogram_fonda[i]=pm->pd[i]; |
1109 | for(i=0;i<6;i++) parallogram_fonda[i]=pm->pd[i]; |
| Line 1119... | Line 1116... | ||
| 1119 | parallogram_fonda[1]=0; |
1116 | parallogram_fonda[1]=0; |
| 1120 | parallogram_fonda[2]=100; |
1117 | parallogram_fonda[2]=100; |
| 1121 | parallogram_fonda[3]=0; |
1118 | parallogram_fonda[3]=0; |
| 1122 | parallogram_fonda[4]=0; |
1119 | parallogram_fonda[4]=0; |
| 1123 | parallogram_fonda[5]=100; |
1120 | parallogram_fonda[5]=100; |
| 1124 | } |
1121 | } |
| 1125 | 1122 | ||
| 1126 | /* argument : la liste des numeros des matrices a faire agir, le nom du fichier de l'image a inclure */ |
1123 | /* argument : la liste des numeros des matrices a faire agir, le nom du fichier de l'image a inclure */ |
| 1127 | void obj_multicopy(objparm *pm) |
1124 | void obj_multicopy(objparm *pm) |
| 1128 | { |
1125 | { |
| 1129 |
|
1126 | char *pp,*pe,*cptr; |
| 1130 |
|
1127 | FILE *inf; |
| 1131 |
|
1128 | gdImagePtr insimg; |
| 1132 |
|
1129 | int i,j; |
| 1133 |
|
1130 | int imax,jmax; |
| 1134 |
|
1131 | int c; /* la couleur reperee */ |
| 1135 |
|
1132 | int mat; |
| 1136 |
|
1133 | int nummatrices[JC_NB_MATRICES]; |
| 1137 |
|
1134 | double pt[2]; /* les coordonnees math. du point repere dans le parallelogramme */ |
| 1138 |
|
1135 | double ptr[2]; /* les coordonnees math. du point transforme */ |
| 1139 |
|
1136 | int pti[2]; /* les coordonnees img du point a placer sur le canevas */ |
| 1140 |
|
1137 | int t; |
| 1141 |
|
1138 | /* gestion palette de couleur de l'image a inserer */ |
| 1142 |
|
1139 | int colorMap[gdMaxColors]; |
| 1143 |
|
1140 | int comptmat=0; /* combien de matrices en tout ? */ |
| 1144 | 1141 | ||
| 1145 |
|
1142 | for (i=0; (i<gdMaxColors); i++) { |
| 1146 |
|
1143 | colorMap[i] = (-1); |
| 1147 |
|
1144 | } |
| 1148 | 1145 | ||
| 1149 |
|
1146 | /* Gestion des parametres la liste est censee finir avec le nom du fichier */ |
| 1150 |
|
1147 | t=pm->pcnt-1; /* il faut enlever le nom de fichier ! c'est le nombre de parametres en plus */ |
| 1151 |
|
1148 | pp=find_word_start(pm->str); |
| 1152 |
|
1149 | /* visiblement find_word_start n'arrive pas a trouver le dernier mot dans un contexte ou le nombre de parameters est variable |
| 1153 | * on cherche donc l'emplacement de la derniere virgule: |
1150 | * on cherche donc l'emplacement de la derniere virgule: |
| 1154 | * il y en a une car t>0, on retrouve ensuite le debut de mot |
1151 | * il y en a une car t>0, on retrouve ensuite le debut de mot |
| 1155 | */ |
1152 | */ |
| 1156 |
|
1153 | for(pe=pp;*pe!=0;pe++);/* trouve la fin de la chaine */ |
| 1157 |
|
1154 | if(t>0){ |
| 1158 |
|
1155 | for(cptr = pe; cptr > pp && *cptr != ','; cptr--); |
| 1159 |
|
1156 | pp=find_word_start(cptr+1); |
| 1160 |
|
1157 | } |
| 1161 |
|
1158 | pe=find_word_end(pp);*pe=0; /* strip junk final */ |
| 1162 |
|
1159 | // printf("pp contient %s\n",pp); |
| 1163 | 1160 | ||
| 1164 | 1161 | ||
| 1165 |
|
1162 | inf=open4read(pp); |
| 1166 |
|
1163 | if(inf==NULL) { |
| 1167 |
|
1164 | fly_error("file_not_exist"); return; |
| 1168 |
|
1165 | } |
| 1169 |
|
1166 | insimg=gdImageCreateFromGif(inf); fclose(inf); |
| 1170 |
|
1167 | if(insimg==NULL) { |
| 1171 |
|
1168 | fly_error("bad_gif"); return; |
| 1172 |
|
1169 | } |
| 1173 | 1170 | ||
| 1174 | /* On recupere les numeros des matrices/vecteurs a faire agir, |
1171 | /* On recupere les numeros des matrices/vecteurs a faire agir, |
| 1175 | * s'il n'y en a pas, on les fait toutes agir |
1172 | * s'il n'y en a pas, on les fait toutes agir |
| 1176 | */ |
1173 | */ |
| 1177 |
|
1174 | for(i=0;i<t && i< JC_NB_MATRICES;i++) { |
| 1178 |
|
1175 | if(pm->pd[i]>=1 && pm->pd[i]<=JC_NB_MATRICES){ |
| 1179 |
|
1176 | nummatrices[comptmat] = pm->pd[i]; |
| 1180 |
|
1177 | comptmat++; |
| 1181 | } |
- | |
| 1182 | } |
- | |
| 1183 | if(t<=0){ |
- | |
| 1184 | for(i=0;i<JC_NB_MATRICES;i++) { |
- | |
| 1185 | nummatrices[i] = i+1; |
- | |
| 1186 | } |
- | |
| 1187 | comptmat=JC_NB_MATRICES; |
- | |
| 1188 | } |
1178 | } |
| - | 1179 | } |
|
| - | 1180 | if(t<=0){ |
|
| - | 1181 | for(i=0;i<JC_NB_MATRICES;i++) { |
|
| - | 1182 | nummatrices[i] = i+1; |
|
| - | 1183 | } |
|
| - | 1184 | comptmat=JC_NB_MATRICES; |
|
| - | 1185 | } |
|
| - | 1186 | ||
| 1189 | 1187 | ||
| - | 1188 | imax = gdImageSX(insimg); |
|
| - | 1189 | jmax = gdImageSY(insimg); |
|
| 1190 | 1190 | ||
| 1191 | imax = gdImageSX(insimg); |
- | |
| 1192 | jmax = gdImageSY(insimg); |
- | |
| 1193 | - | ||
| 1194 |
|
1191 | for(i=0;i<imax;i++){ |
| 1195 |
|
1192 | for(j=0;j<jmax;j++){ |
| 1196 |
|
1193 | int nc; |
| 1197 |
|
1194 | c=gdImageGetPixel(insimg,i,j); |
| 1198 | /* Le code suivant est une copie du code dans gdImageCopy Added 7/24/95: support transparent copies */ |
1195 | /* Le code suivant est une copie du code dans gdImageCopy Added 7/24/95: support transparent copies */ |
| 1199 |
|
1196 | if (gdImageGetTransparent(insimg) != c) { |
| 1200 | /* Have we established a mapping for this color? */ |
1197 | /* Have we established a mapping for this color? */ |
| 1201 |
|
1198 | if (colorMap[c] == (-1)) { |
| 1202 | /* If it's the same image, mapping is trivial, dans notre cas ca n'arrive jamais... */ |
1199 | /* If it's the same image, mapping is trivial, dans notre cas ca n'arrive jamais... */ |
| 1203 |
|
1200 | if (image == insimg) { |
| 1204 |
|
1201 | nc = c; |
| 1205 |
|
1202 | } else { |
| 1206 | /* First look for an exact match */ |
1203 | /* First look for an exact match */ |
| 1207 |
|
1204 | nc = gdImageColorExact(image, |
| 1208 |
|
1205 | insimg->red[c], insimg->green[c], |
| - | 1206 | insimg->blue[c]); |
|
| - | 1207 | } |
|
| - | 1208 | if (nc == (-1)) { |
|
| - | 1209 | /* No, so try to allocate it */ |
|
| - | 1210 | nc = gdImageColorAllocate(image, |
|
| - | 1211 | insimg->red[c], insimg->green[c], |
|
| 1209 | insimg->blue[c]); |
1212 | insimg->blue[c]); |
| 1210 |
|
1213 | /* If we're out of colors, go for the closest color */ |
| 1211 | if (nc == (-1)) { |
1214 | if (nc == (-1)) { |
| 1212 | /* No, so try to allocate it */ |
- | |
| 1213 | nc = |
1215 | nc = gdImageColorClosest(image, |
| 1214 | insimg->red[c], insimg->green[c], |
1216 | insimg->red[c], insimg->green[c], |
| 1215 | insimg->blue[c]); |
1217 | insimg->blue[c]); |
| 1216 | /* If we're out of colors, go for the closest color */ |
- | |
| 1217 | if (nc == (-1)) { |
- | |
| 1218 | nc = gdImageColorClosest(image, |
- | |
| 1219 | insimg->red[c], insimg->green[c], |
- | |
| 1220 | insimg->blue[c]); |
- | |
| 1221 |
|
1218 | } |
| 1222 |
|
1219 | } |
| 1223 |
|
1220 | colorMap[c] = nc; |
| 1224 |
|
1221 | } |
| 1225 | 1222 | ||
| 1226 |
|
1223 | pt[0]= i*(parallogram_fonda[2])/(imax-1)+(jmax-j)*(parallogram_fonda[4])/(jmax-1)+parallogram_fonda[0]; |
| 1227 |
|
1224 | pt[1]= i*(parallogram_fonda[3])/(imax-1)+(jmax-j)*(parallogram_fonda[5])/(jmax-1)+parallogram_fonda[1]; |
| 1228 |
|
1225 | for(mat=0;mat<comptmat;mat++){ |
| 1229 | double *matricecourante = matrices_pavage[nummatrices[mat]]; |
1226 | double *matricecourante = matrices_pavage[nummatrices[mat]]; |
| 1230 | double *vecteurcourant = vecteurs_pavage[nummatrices[mat]]; |
1227 | double *vecteurcourant = vecteurs_pavage[nummatrices[mat]]; |
| 1231 | ptr[0] = matricecourante[0]*pt[0]+matricecourante[1]*pt[1]+vecteurcourant[0]; |
1228 | ptr[0] = matricecourante[0]*pt[0]+matricecourante[1]*pt[1]+vecteurcourant[0]; |
| 1232 | ptr[1] = matricecourante[2]*pt[0]+matricecourante[3]*pt[1]+vecteurcourant[1]; |
1229 | ptr[1] = matricecourante[2]*pt[0]+matricecourante[3]*pt[1]+vecteurcourant[1]; |
| 1233 | scale(ptr,pti,1); |
1230 | scale(ptr,pti,1); |
| 1234 | gdImageSetPixel(image,pti[0],pti[1],colorMap[c]); |
1231 | gdImageSetPixel(image,pti[0],pti[1],colorMap[c]); |
| 1235 |
|
1232 | } |
| 1236 | } |
- | |
| 1237 | } |
1233 | } |
| 1238 | } |
1234 | } |
| - | 1235 | } |
|
| 1239 |
|
1236 | gdImageDestroy(insimg); |
| 1240 | } |
1237 | } |
| 1241 | 1238 | ||
| 1242 | /**** Fin modifs JC Fev 06 ******/ |
1239 | /**** Fin modifs JC Fev 06 ******/ |
| 1243 | 1240 | ||
| 1244 | /* get color from value */ |
1241 | /* get color from value */ |
| 1245 | int calc_color(char *p, struct objtab *o) |
1242 | int calc_color(char *p, struct objtab *o) |
| 1246 | { |
1243 | { |
| 1247 |
|
1244 | int k, cc[3]; |
| 1248 |
|
1245 | char buf[MAX_LINELEN+1]; |
| 1249 |
|
1246 | for(k=0;k<3;k++) { |
| 1250 |
|
1247 | fnd_item(p,k+1,buf); |
| 1251 |
|
1248 | cc[k]=strevalue(buf); |
| 1252 |
|
1249 | } |
| 1253 |
|
1250 | collapse_item(p,3); |
| 1254 |
|
1251 | if(cc[0]==-1 && cc[1]==-1 && cc[2]==-255) { |
| 1255 | 1252 | ||
| 1256 |
|
1253 | if(brushed && o->subst&1) return gdBrushed; |
| 1257 |
|
1254 | else return color_black; |
| 1258 |
|
1255 | } |
| 1259 |
|
1256 | if(cc[0]==-1 && cc[1]==-255 && cc[2]==-1) { |
| 1260 |
|
1257 | if(styled && o->subst&2) return gdStyled; |
| 1261 |
|
1258 | else return color_black; |
| 1262 |
|
1259 | } |
| 1263 |
|
1260 | if(cc[0]==-255 && cc[1]==-1 && cc[2]==-1) { |
| 1264 |
|
1261 | if(tiled && o->fill_tag==1) return gdTiled; |
| 1265 |
|
1262 | else return color_black; |
| 1266 |
|
1263 | } |
| 1267 |
|
1264 | return getcolor(cc[0],cc[1],cc[2]); |
| 1268 | } |
1265 | } |
| 1269 | 1266 | ||
| 1270 | /* Routine to parse parameters */ |
1267 | /* Routine to parse parameters */ |
| 1271 | int parse_parms(char *p,objparm *pm,struct objtab *o) |
1268 | int parse_parms(char *p,objparm *pm,struct objtab *o) |
| 1272 | { |
1269 | { |
| 1273 |
|
1270 | char buf[MAX_LINELEN+1]; |
| 1274 |
|
1271 | char *p1, *p2; |
| 1275 |
|
1272 | int j,t,c,c1,c2; |
| 1276 | 1273 | ||
| 1277 |
|
1274 | c=o->color_pos;c1=c2=0; |
| 1278 |
|
1275 | pm->color[0]=pm->color[1]=0; |
| 1279 |
|
1276 | if(c>0) c1=c; |
| 1280 |
|
1277 | if(c<0) c2=-c; |
| 1281 |
|
1278 | c=c1+c2; |
| 1282 |
|
1279 | t=itemnum(p);if(t<o->required_parms+3*c) return -1; |
| 1283 |
|
1280 | if(c1>0 && t>o->required_parms+3*c) t=o->required_parms+3*c; |
| 1284 |
|
1281 | pm->pcnt=t-3*c; |
| 1285 |
|
1282 | if(pm->pcnt>MAX_PARMS) pm->pcnt=MAX_PARMS; |
| 1286 |
|
1283 | if(c2>0) { |
| 1287 |
|
1284 | for(j=0;j<2 && j<c2; j++) pm->color[j]=calc_color(p,o); |
| 1288 |
|
1285 | } |
| 1289 |
|
1286 | snprintf(buf,sizeof(buf),"%s",p); |
| 1290 |
|
1287 | for(j=0, p1=buf; j<pm->pcnt; j++, p1=p2) { |
| 1291 |
|
1288 | p2=find_item_end(p1); if(*p2) *p2++=0; |
| 1292 |
|
1289 | p1=find_word_start(p1); |
| 1293 |
|
1290 | if(*p1) pm->pd[j]=strevalue(p1); else pm->pd[j]=0; |
| 1294 |
|
1291 | if(!isfinite(pm->pd[j])) { |
| 1295 |
|
1292 | if(j<o->required_parms) return -1; |
| 1296 |
|
1293 | else {pm->pd[j]=0;break;} |
| 1297 | } |
- | |
| 1298 | } |
1294 | } |
| - | 1295 | } |
|
| 1299 |
|
1296 | collapse_item(p,o->required_parms); |
| 1300 |
|
1297 | if(c1>0) { |
| 1301 |
|
1298 | for(j=0;j<c1 && j<2; j++) pm->color[j]=calc_color(p,o); |
| 1302 |
|
1299 | } |
| 1303 |
|
1300 | if(width>1 && o->subst&1 && pm->color[0]!=gdBrushed |
| 1304 |
|
1301 | && pm->color[0]!=gdStyled && pm->color[0]!=gdTiled) { |
| 1305 |
|
1302 | pm->color[1]=pm->color[0]; |
| 1306 |
|
1303 | pm->color[0]=widthcolor(width,pm->color[0]); |
| 1307 |
|
1304 | } |
| 1308 |
|
1305 | pm->fill=o->fill_tag; |
| 1309 |
|
1306 | ovlstrcpy(pm->str,p); return 0; |
| 1310 | } |
1307 | } |
| 1311 | 1308 | ||
| 1312 | /* Create the struct objparm pm corresponding to the objparm p |
1309 | /* Create the struct objparm pm corresponding to the objparm p |
| 1313 | * Execute a command. Returns 0 if OK. |
1310 | * Execute a command. Returns 0 if OK. |
| 1314 | */ |
1311 | */ |
| 1315 | int obj_main(char *p) |
1312 | int obj_main(char *p) |
| 1316 | { |
1313 | { |
| 1317 |
|
1314 | int i; |
| 1318 |
|
1315 | char *pp,*name,*pt; |
| 1319 |
|
1316 | char tbuf2[MAX_LINELEN+1]; |
| 1320 |
|
1317 | struct objparm pm; |
| 1321 | 1318 | ||
| 1322 |
|
1319 | p=find_word_start(p); |
| 1323 |
|
1320 | if(*p==exec_prefix_char || *p==0) return 0; /* comment */ |
| 1324 |
|
1321 | name=p; |
| 1325 |
|
1322 | pp=find_name_end(p); |
| 1326 |
|
1323 | pt=find_word_start(pp); if(*pt=='=') *pt=' '; |
| 1327 |
|
1324 | if(*pt==':' && *(pt+1)=='=') *pt=*(pt+1)=' '; |
| 1328 |
|
1325 | pp=find_word_end(p); |
| 1329 |
|
1326 | if(*pp!=0) { |
| 1330 |
|
1327 | *(pp++)=0; pp=find_word_start(pp); |
| 1331 |
|
1328 | } |
| 1332 |
|
1329 | if(strlen(p)==1 || (strlen(p)==2 && isdigit(*(p+1)))) { |
| 1333 |
|
1330 | setvar(p,strevalue(pp)); return 0; |
| 1334 |
|
1331 | } |
| 1335 | /* search the number of the object */ |
1332 | /* search the number of the object */ |
| 1336 |
|
1333 | i=search_list(objtab,obj_no,sizeof(objtab[0]),name); |
| 1337 |
|
1334 | if(i<0) { |
| 1338 |
|
1335 | fly_error("bad_cmd"); return 1; |
| 1339 |
|
1336 | } |
| 1340 |
|
1337 | if(image==NULL && (objtab[i].color_pos || objtab[i].required_parms>2)) { |
| 1341 |
|
1338 | fly_error("image_not_defined"); return 1; |
| 1342 |
|
1339 | } |
| 1343 |
|
1340 | ovlstrcpy(tbuf2,pp); |
| 1344 |
|
1341 | if(objtab[i].color_pos || objtab[i].routine==obj_setstyle) { |
| 1345 |
|
1342 | substit(tbuf2); |
| 1346 |
|
1343 | } |
| 1347 |
|
1344 | if(parse_parms(tbuf2,&pm,objtab+i)!=0) fly_error("bad_parms"); |
| 1348 |
|
1345 | else objtab[i].routine(&pm); |
| 1349 |
|
1346 | return 0; |
| 1350 | } |
1347 | } |
| 1351 | - | ||