WebSVN – wimsdev – Blame – /trunk/wims/src/Flydraw/objects.c

Rev	Author	Line No.	Line
17676	bpr	1	/* Copyright (C) 1998-2003 XIAO, Gang of Universite de Nice - Sophia Antipolis
10	reyssat	2	*
		3	* This program is free software; you can redistribute it and/or modify
		4	* it under the terms of the GNU General Public License as published by
		5	* the Free Software Foundation; either version 2 of the License, or
		6	* (at your option) any later version.
		7	*
		8	* This program is distributed in the hope that it will be useful,
		9	* but WITHOUT ANY WARRANTY; without even the implied warranty of
		10	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		11	* GNU General Public License for more details.
		12	*
		13	* You should have received a copy of the GNU General Public License
		14	* along with this program; if not, write to the Free Software
		15	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
		16	*/
8177	bpr	17
		18	#include <errno.h>
8102	bpr	19	#include "flydraw.h"
8177	bpr	20
17574	bpr	21	/* Tikz things */
17599	bpr	22
17608	bpr	23	static char *tikz_color (int the_color)
		24	{
		25	static char buf[50];
		26	int r=gdImageRed(image,the_color);
		27	int g=gdImageGreen(image,the_color);
		28	int b=gdImageBlue(image,the_color);
		29	sprintf(buf, "{rgb,255:red,%i;green,%i;blue,%i}",r,g,b);
		30	return buf;
		31	}
		32
17574	bpr	33	static char *tikz_options (int the_color, int the_fill)
		34	{
		35	static char buf[100];
		36	if (the_color == gdBrushed)
		37	the_color = tikz_brushColor;
17608	bpr	38	sprintf (buf, "draw=%s,cap=round",tikz_color(the_color));
17574	bpr	39	if (the_color != tikz_brushColor) strcat(buf, ",thin");
18125	bpr	40	if (the_fill == -1 \|\| the_fill == 2) strcat(buf, ",dashed");
		41	if (the_fill == 1 \|\| the_fill == 2)
17608	bpr	42	sprintf(buf+strlen(buf), ",fill=%s", tikz_color(the_color));
17574	bpr	43	return buf;
		44	}
		45
17662	bpr	46	#define flip(y) (sizey-1-(y))
17574	bpr	47
8010	bpr	48	/* bug in gdImageFillToBorder */
10	reyssat	49
8162	bpr	50	void patchgdImageFillToBorder (gdImagePtr im, int x, int y, int border, int color)
8076	bpr	51	{
12473	bpr	52	if(x>=im->sx \|\| x<0 \|\| y>=im->sy \|\| y<0) return;
		53	gdImageFillToBorder(im,x,y,border,color);
8076	bpr	54	}
		55
8162	bpr	56	void patchgdImageFill (gdImagePtr im, int x, int y, int color)
8156	bpr	57	{
12473	bpr	58	if(x>=im->sx \|\| x<0 \|\| y>=im->sy \|\| y<0) return;
		59	gdImageFill(im,x,y,color);
8156	bpr	60	}
8076	bpr	61
9651	georgesk	62	#define DASHPIXELS 8
		63
		64	void myDashedLine(gdImagePtr im, int x1, int y1, int x2, int y2, int color){
		65	/**
		66	* emulates gdImageDashedLine with gdImageSetStyle and gdImageLine
		67	* GK: As gdImageDashedLine is slightly broken in latest libgd libraries,
		68	* GK: I implemented an emulation named "myDashedLine"
		69	**/
		70
		71	int styleDashed[DASHPIXELS],i;
		72	for (i=0; i< DASHPIXELS/2; i++) styleDashed[i]=color;
		73	for (; i< DASHPIXELS; i++) styleDashed[i]=gdTransparent;
		74	gdImageSetStyle(im, styleDashed, DASHPIXELS);
		75	gdImageLine(im, x1, y1, x2, y2, gdStyled);
		76	}
		77
		78
7675	bpr	79	/* File opening: with security */
10	reyssat	80	FILE open4read(char n)
		81	{
12473	bpr	82	char p, p1, *p2, namebuf[2048];
		83	int t;
		84	FILE *f;
		85	n=find_word_start(n);
		86	if(*n==0) return NULL;
		87	p=getenv("flydraw_filebase");
		88	p1=n+strlen(n)-4;if(p1<n \|\| strcasecmp(p1,".gif")!=0) t=1; else t=0;
		89	if(p!=NULL && *p!=0) {
		90	char pbuf[MAX_LINELEN+1];
		91	snprintf(pbuf,sizeof(pbuf),"%s",p);
		92	p=find_word_start(pbuf); if(strstr(p,"..")!=NULL) return NULL;
		93	if(*n=='/' \|\| strstr(n,"..")!=NULL) return NULL;
		94	/* prohibit unusual file/dir names */
		95	for(p1=p;*p1;p1++)
		96	if(!isalnum(p1) && !isspace(p1) && strchr("~_-/.",*p1)==NULL)
		97	return NULL;
		98	for(p1=n;*p1;p1++)
		99	if(!isalnum(p1) && !isspace(p1) && strchr("~_-/.",*p1)==NULL)
		100	return NULL;
		101	f=NULL;
		102	for(p1=p; *p1; p1=find_word_start(p2)) {
		103	p2=find_word_end(p1);
		104	if(p2) p2++=0;
		105	snprintf(namebuf,sizeof(namebuf),"%s/%s",p1,n);
		106	f=fopen(namebuf,"r"); if(f!=NULL) goto imgtype;
10	reyssat	107	}
12473	bpr	108	p1=getenv("w_wims_session");
		109	if(p1!=NULL && strncmp(n,"insert",6)==0) {
		110	snprintf(namebuf,sizeof(namebuf),"../s2/%s/%s",p1,n);
7675	bpr	111	f=fopen(namebuf,"r");
10	reyssat	112	}
12473	bpr	113	}
		114	else {
		115	snprintf(namebuf,sizeof(namebuf),"%s",n);
		116	f=fopen(namebuf,"r");
		117	}
		118	imgtype:
		119	if(t && f!=NULL) {
		120	char tbuf[1024],sbuf[4096];
		121	fclose(f); f=NULL;
		122	p1=getenv("TMPDIR"); if(p1==NULL \|\| *p1==0) p1=".";
		123	snprintf(tbuf,sizeof(tbuf),"%s/drawfile_.gif",p1);
		124	snprintf(sbuf,sizeof(sbuf),"convert %s %s",namebuf,tbuf);
		125	if (system(sbuf)) fly_error("system_failed");
		126	f=fopen(tbuf,"r");
		127	}
		128	return f;
10	reyssat	129	}
		130
7675	bpr	131	/* Does nothing; just a comment. */
10	reyssat	132	void obj_comment(objparm *pm)
		133	{
12473	bpr	134	return;
10	reyssat	135	}
		136
7675	bpr	137	/* define image size */
10	reyssat	138	void obj_size(objparm *pm)
		139	{
12473	bpr	140	sizex=rint(pm->pd[0]); sizey=rint(pm->pd[1]);
		141	if(sizex<0 \|\| sizey<0 \|\| sizex>MAX_SIZE \|\| sizey>MAX_SIZE) {
		142	fly_error("bad_size"); return;
		143	}
		144	if(image!=NULL) {
		145	fly_error("size_already_defined"); return;
		146	}
		147	image=gdImageCreate(sizex,sizey);
17574	bpr	148	if(tikz_file) fprintf(tikz_file,"\\clip (0,0) rectangle (%i, %i);\n", sizex, sizey);
12473	bpr	149	if(image==NULL) fly_error("image_creation_failure");
		150	else {
		151	color_white=gdImageColorAllocate(image,255,255,255);
		152	color_black=gdImageColorAllocate(image,0,0,0);
		153	color_bounder=gdImageColorAllocate(image,1,2,3);
		154	color_frame=gdImageColorAllocate(image,254,254,254);
		155	}
10	reyssat	156	}
		157
7675	bpr	158	/* new image */
10	reyssat	159	void obj_new(objparm *pm)
		160	{
12473	bpr	161	if(image) {
		162	gdImageDestroy(image);image=NULL;
		163	}
		164	if(pm->pcnt>=2) { obj_size(pm); gdImageRectangle(image,0,0,sizex-1,sizey-1,color_frame);}
		165	else sizex=sizey=0;
		166	saved=0;
10	reyssat	167	}
		168
7675	bpr	169	/* new image */
10	reyssat	170	void obj_existing(objparm *pm)
		171	{
12473	bpr	172	FILE *inf;
		173	char *pp;
7615	bpr	174
12473	bpr	175	if(image) {
		176	gdImageDestroy(image);image=NULL;
		177	}
		178	pp=find_word_start(pm->str);*find_word_end(pp)=0;
		179	inf=open4read(pp);
		180	if(inf==NULL) {
		181	fly_error("file_not_exist"); return;
		182	}
		183	image=gdImageCreateFromGif(inf); fclose(inf);
		184	if(image==NULL) {
		185	fly_error("bad_gif"); return;
		186	}
		187	sizex=image->sx; sizey=image->sy;
		188	saved=0;
10	reyssat	189	}
18066	bpr	190	/* tikzfile */
		191	void obj_tikzfile(objparm *pm)
		192	{
		193	char *p;
		194	if(tikz_file){
		195	fprintf(tikz_file,"\\end{tikzpicture}\n");
		196	fclose(tikz_file);
		197	}
		198	p=find_word_start(pm->str); *find_word_end(p)=0;
		199	snprintf(tikzfilename,sizeof(tikzfilename),"%s",p);
		200	tikz_file=fopen(tikzfilename,"w");
		201	if(!tikz_file)
		202	fly_error("tikz_nopen");
		203	fprintf(tikz_file,"\\begin{tikzpicture}\[x=0.02cm, y=0.02cm]\n");
		204	}
10	reyssat	205
18123	bpr	206	/* segment */
10	reyssat	207	void obj_line(objparm *pm)
		208	{
12473	bpr	209	scale(pm->pd,pm->p,2);
18125	bpr	210	if(pm->fill==-1 \|\| pm->fill==2 )
18123	bpr	211	myDashedLine(image,pm->p[0],pm->p[1],pm->p[2],pm->p[3],pm->color[0]);
		212	else
		213	gdImageLine(image,pm->p[0],pm->p[1],pm->p[2],pm->p[3],pm->color[0]);
17574	bpr	214	if (tikz_file)
		215	fprintf(tikz_file, "\\draw\[%s] (%i, %i) -- (%i, %i);\n",
		216	tikz_options(pm->color[0],pm->fill),pm->p[0],flip(pm->p[1]),pm->p[2],flip(pm->p[3]));
12473	bpr	217	if(vimg_enable) vimg_line(scale_buf[0],scale_buf[1],scale_buf[2],scale_buf[3]);
10	reyssat	218	}
		219
1024	bpr	220	void _obj_arrow(objparm *pm, int twoside)
10	reyssat	221	{
12473	bpr	222	int l,xx,yy;
		223	gdPoint ii[3];
		224	double dx,dy,length,dd[6];
		225	scale(pm->pd,pm->p,2);
		226	xx=ii[0].x=pm->p[2];yy=ii[0].y=pm->p[3];
		227	l=pm->pd[4];if(l<0) l=0; if(l>200) l=200;
		228	scale2(pm->pd[0]-pm->pd[2],pm->pd[1]-pm->pd[3],&dx,&dy);
		229	length=sqrt(dxdx+dydy);
		230	if(length<3 \|\| l<5) goto stem;
		231	dd[0]=ldx/length; dd[1]=ldy/length;
		232	#define fat 0.27
		233	dd[2]=dd[0]+dd[1]fat; dd[3]=dd[1]-dd[0]fat;
		234	dd[4]=dd[0]-dd[1]fat; dd[5]=dd[1]+dd[0]fat;
		235	ii[1].x=rint(dd[2])+ii[0].x; ii[1].y=rint(dd[3])+ii[0].y;
		236	ii[2].x=rint(dd[4])+ii[0].x; ii[2].y=rint(dd[5])+ii[0].y;
		237	gdImageFilledPolygon(image, ii,3,pm->color[0]);
17578	bpr	238	if(tikz_file)
		239	fprintf(tikz_file, "\\draw\[%s] (%i, %i) -- (%i, %i) -- (%i, %i) -- cycle;\n",
		240	tikz_options(pm->color[0],1),ii[0].x,flip(ii[0].y),ii[1].x,flip(ii[1].y),ii[2].x,flip(ii[2].y));
		241	if(vimg_enable) vimg_polyline(scale_buf,3,1);
12473	bpr	242	xx=rint(dd[0])+ii[0].x;yy=rint(dd[1])+ii[0].y;
		243	if(twoside) {
		244	ii[0].x=pm->p[0]; ii[0].y=pm->p[1];
		245	ii[1].x=-rint(dd[2])+ii[0].x; ii[1].y=-rint(dd[3])+ii[0].y;
		246	ii[2].x=-rint(dd[4])+ii[0].x; ii[2].y=-rint(dd[5])+ii[0].y;
8163	bpr	247	gdImageFilledPolygon(image, ii,3,pm->color[0]);
17578	bpr	248	if(tikz_file)
		249	fprintf(tikz_file, "\\draw\[%s] (%i, %i) -- (%i, %i) -- (%i, %i) -- cycle;\n",
		250	tikz_options(pm->color[0],1),ii[0].x,flip(ii[0].y),ii[1].x,flip(ii[1].y),ii[2].x,flip(ii[2].y));
12473	bpr	251	}
18125	bpr	252	stem: if(pm->fill==-1 \|\| pm->fill==2)
12473	bpr	253	myDashedLine(image,pm->p[0],pm->p[1],xx,yy,pm->color[0]);
		254	else
		255	gdImageLine(image,pm->p[0],pm->p[1],xx,yy,pm->color[0]);
17578	bpr	256	if(tikz_file)
		257	fprintf(tikz_file, "\\draw\[%s] (%i, %i) -- (%i, %i);\n",
17584	bpr	258	tikz_options(pm->color[0],pm->fill),pm->p[0],flip(pm->p[1]),xx,flip(yy));
12473	bpr	259	if(vimg_enable) vimg_line(scale_buf[0],scale_buf[1],scale_buf[2],scale_buf[3]);
10	reyssat	260	}
		261
7675	bpr	262	/* Arrow */
1024	bpr	263	void obj_arrow(objparm *pm)
		264	{
12473	bpr	265	_obj_arrow(pm,0);
1024	bpr	266	}
		267
7675	bpr	268	/* 2-sided arrow */
1024	bpr	269	void obj_arrow2(objparm *pm)
		270	{
12473	bpr	271	_obj_arrow(pm,1);
1024	bpr	272	}
		273
18047	bpr	274	void _obj_arrows(objparm *pm, int twoside)
		275	{
		276	#define fat 0.27
		277	int i,l,xx,yy;
		278	gdPoint ii[3];
		279	double dx,dy,length,dd[6];
		280	l=pm->pd[0];if(l<0) l=0; if(l>200) l=200;
		281	scale(pm->pd+1,pm->p+1,pm->pcnt/2);
		282	for (i=1;i<pm->pcnt;i+=4){
18119	bpr	283	xx=ii[0].x=pm->p[i+2];yy=ii[0].y=pm->p[i+3];
		284	scale2(pm->pd[i]-pm->pd[i+2],pm->pd[i+1]-pm->pd[i+3],&dx,&dy);
		285	length=sqrt(dxdx+dydy);
		286	if(length<3 \|\| l<5) goto stem;
		287	dd[0]=ldx/length; dd[1]=ldy/length;
		288	dd[2]=dd[0]+dd[1]fat; dd[3]=dd[1]-dd[0]fat;
		289	dd[4]=dd[0]-dd[1]fat; dd[5]=dd[1]+dd[0]fat;
		290	ii[1].x=rint(dd[2])+ii[0].x; ii[1].y=rint(dd[3])+ii[0].y;
		291	ii[2].x=rint(dd[4])+ii[0].x; ii[2].y=rint(dd[5])+ii[0].y;
		292	gdImageFilledPolygon(image, ii,3,pm->color[0]);
		293	if(tikz_file)
18065	bpr	294	fprintf(tikz_file, "\\draw\[%s] (%i, %i) -- (%i, %i) -- (%i, %i) -- cycle;\n",
		295	tikz_options(pm->color[0],1),ii[0].x,flip(ii[0].y),ii[1].x,flip(ii[1].y),ii[2].x,flip(ii[2].y));
		296	xx=rint(dd[0])+ii[0].x;yy=rint(dd[1])+ii[0].y;
		297	if(twoside) {
		298	ii[0].x=pm->p[i]; ii[0].y=pm->p[i+1];
		299	ii[1].x=-rint(dd[2])+ii[0].x; ii[1].y=-rint(dd[3])+ii[0].y;
		300	ii[2].x=-rint(dd[4])+ii[0].x; ii[2].y=-rint(dd[5])+ii[0].y;
		301	gdImageFilledPolygon(image, ii,3,pm->color[0]);
		302	if(tikz_file)
		303	fprintf(tikz_file, "\\draw\[%s] (%i, %i) -- (%i, %i) -- (%i, %i) -- cycle;\n",
		304	tikz_options(pm->color[0],1),ii[0].x,flip(ii[0].y),ii[1].x,flip(ii[1].y),ii[2].x,flip(ii[2].y));
18047	bpr	305	}
18125	bpr	306	stem: if(pm->fill==-1 \|\| pm->fill==2)
18065	bpr	307	myDashedLine(image,pm->p[i],pm->p[i+1],xx,yy,pm->color[0]);
		308	else
		309	gdImageLine(image,pm->p[i],pm->p[i+1],xx,yy,pm->color[0]);
		310	if(tikz_file)
		311	fprintf(tikz_file, "\\draw\[%s] (%i, %i) -- (%i, %i);\n",
		312	tikz_options(pm->color[0],pm->fill),pm->p[i],flip(pm->p[i+1]),xx,flip(yy));
		313	}
18047	bpr	314	}
		315
		316	/* Arrows */
		317	void obj_arrows(objparm *pm)
		318	{
		319	_obj_arrows(pm,0);
		320	}
		321
		322	/* 2-sided arrows */
		323	void obj_arrows2(objparm *pm)
		324	{
		325	_obj_arrows(pm,1);
		326	}
		327
7675	bpr	328	/* horizontal line */
10	reyssat	329	void obj_hline(objparm *pm)
		330	{
12473	bpr	331	scale(pm->pd,pm->p,1);
18125	bpr	332	if(pm->fill==-1 \|\| pm->fill==2)
12473	bpr	333	myDashedLine(image,0,pm->p[1],sizex,pm->p[1],pm->color[0]);
		334	else
		335	gdImageLine(image,0,pm->p[1],sizex,pm->p[1],pm->color[0]);
17574	bpr	336	if (tikz_file)
		337	fprintf(tikz_file, "\\draw\[%s] (%i, %i) -- (%i, %i);\n",
		338	tikz_options(pm->color[0],pm->fill),0,flip(pm->p[1]),sizex,flip(pm->p[1]));
10	reyssat	339	}
		340
18119	bpr	341	static void line_extend(int x1, int y1, int x2, int y2, int* xend, int *yend)
		342	{
		343	double t1, t2, t3;
		344	if (x2 != x1){t1 = (x2 > x1) ? sizex : 0; t1 = (t1 - x1)/(x2 - x1);}
		345	else t1 = INFINITY;
		346	if (y2 != y1){t2 = (y2 > y1) ? sizey : 0; t2 = (t2 - y1)/(y2 - y1);}
		347	else t2 = INFINITY;
		348	t3 = (t1 < t2) ? t1 : t2;
		349	xend = x1+t3(x2-x1);
		350	yend = y1+t3(y2-y1);
		351	}
18066	bpr	352
18065	bpr	353	/* halfline */
		354	void obj_halfline(objparm *pm)
		355	{
18119	bpr	356	int xend,yend;
18065	bpr	357	scale(pm->pd,pm->p,2);
18119	bpr	358	line_extend(pm->p[0],pm->p[1],pm->p[2],pm->p[3],&xend,&yend);
18125	bpr	359	if(pm->fill==-1 \|\| pm->fill==2)
18119	bpr	360	myDashedLine(image,pm->p[0],pm->p[1],xend,yend,pm->color[0]);
18065	bpr	361	else
18119	bpr	362	gdImageLine(image,pm->p[0],pm->p[1],xend,yend,pm->color[0]);
18065	bpr	363	if (tikz_file)
		364	fprintf(tikz_file, "\\draw\[%s] (%i, %i) -- (%i, %i);\n",
		365	tikz_options(pm->color[0],pm->fill),
18119	bpr	366	pm->p[0],flip(pm->p[1]),xend,flip(yend));
18065	bpr	367	}
17574	bpr	368
18119	bpr	369	void obj_fullline(objparm *pm)
		370	{
		371	int xstart,ystart,xend,yend;
		372	scale(pm->pd,pm->p,2);
		373	line_extend(pm->p[0],pm->p[1],pm->p[2],pm->p[3],&xend,&yend);
		374	line_extend(pm->p[2],pm->p[3],pm->p[0],pm->p[1],&xstart,&ystart);
18125	bpr	375	if(pm->fill==-1 \|\| pm->fill==2)
18119	bpr	376	myDashedLine(image,xstart,ystart,xend,yend,pm->color[0]);
		377	else
		378	gdImageLine(image,xstart,ystart,xend,yend,pm->color[0]);
		379	if (tikz_file)
		380	fprintf(tikz_file, "\\draw\[%s] (%i, %i) -- (%i, %i);\n",
		381	tikz_options(pm->color[0],pm->fill),xstart,flip(ystart),xend,flip(yend));
		382	}
		383
		384	void obj_fulllines(objparm *pm)
		385	{
		386	int i,xstart,ystart,xend,yend;
		387	scale(pm->pd,pm->p,pm->pcnt/2);
		388	if (tikz_file)
		389	fprintf(tikz_file, "\\draw\[%s]",tikz_options(pm->color[0],pm->fill));
		390	for (i=0;i<pm->pcnt;i+=4){
		391	line_extend(pm->p[i],pm->p[i+1],pm->p[i+2],pm->p[i+3],&xend,&yend);
		392	line_extend(pm->p[i+2],pm->p[i+3],pm->p[i],pm->p[i+1],&xstart,&ystart);
18125	bpr	393	if(pm->fill==-1 \|\| pm->fill==2)
18119	bpr	394	myDashedLine(image,xstart,ystart,xend,yend,pm->color[0]);
		395	else
		396	gdImageLine(image,xstart,ystart,xend,yend,pm->color[0]);
		397	if (tikz_file)
		398	fprintf(tikz_file, "(%i,%i)--(%i, %i)",xstart,flip(ystart),xend,flip(yend));
		399	}
		400	if (tikz_file)
		401	fprintf(tikz_file, ";\n");
		402	}
		403
7675	bpr	404	/* vertical line */
10	reyssat	405	void obj_vline(objparm *pm)
		406	{
12473	bpr	407	scale(pm->pd,pm->p,1);
18125	bpr	408	if(pm->fill==-1 \|\| pm->fill==2)
12473	bpr	409	myDashedLine(image,pm->p[0],0,pm->p[0],sizey,pm->color[0]);
		410	else
		411	gdImageLine(image,pm->p[0],0,pm->p[0],sizey,pm->color[0]);
17574	bpr	412	if (tikz_file)
		413	fprintf(tikz_file, "\\draw\[%s] (%i, %i) -- (%i, %i);\n",
		414	tikz_options(pm->color[0],pm->fill),pm->p[0],0,pm->p[0],sizey);
10	reyssat	415	}
		416
7675	bpr	417	/* dashed line */
10	reyssat	418	void obj_dline(objparm *pm)
		419	{
12473	bpr	420	scale(pm->pd,pm->p,2);
		421	myDashedLine(image,pm->p[0],pm->p[1],pm->p[2],pm->p[3], pm->color[0]);
17574	bpr	422	if (tikz_file)
		423	fprintf(tikz_file, "\\draw\[%s] (%i, %i) -- (%i, %i);\n",
		424	tikz_options(pm->color[0],-1),
		425	pm->p[0],flip(pm->p[1]),pm->p[2],flip(pm->p[3]));
10	reyssat	426	}
		427
7675	bpr	428	/* parallel lines.
		429	* x1,y1,x2,y2,xv,yv,n,color */
10	reyssat	430	void obj_parallel(objparm *pm)
		431	{
18123	bpr	432	int i, n, xi,yi;
		433	double xv,yv;
		434	n=pm->pd[6]; if(n<0) return; if(n>256) n=256;
		435	scale(pm->pd,pm->p,3);
		436	scale2(pm->pd[4],pm->pd[5],&xv,&yv);
		437	if (tikz_file)
		438	fprintf(tikz_file, "\\draw\[%s]", tikz_options(pm->color[0],pm->fill));
		439	for(i=0;i<n;i++) {
		440	xi=rint(ixv); yi=rint(iyv);
18125	bpr	441	if(pm->fill==-1 \|\| pm->fill==2)
18123	bpr	442	myDashedLine(image,pm->p[0]+xi,pm->p[1]+yi,pm->p[2]+xi,pm->p[3]+yi,
		443	pm->color[0]);
		444	else
		445	gdImageLine(image,pm->p[0]+xi,pm->p[1]+yi,pm->p[2]+xi,pm->p[3]+yi,
		446	pm->color[0]);
		447	if (tikz_file)
		448	fprintf(tikz_file, "(%i,%i)--(%i, %i)",
		449	pm->p[0]+xi,flip(pm->p[1]+yi),pm->p[2]+xi,flip(pm->p[3]+yi));
		450	if(vimg_enable) vimg_line(scale_buf[0]+i*(scale_buf[4]-transx),
		451	scale_buf[1]+i*(scale_buf[5]-transy),
		452	scale_buf[2]+i*(scale_buf[4]-transx),
		453	scale_buf[3]+i*(scale_buf[5]-transy));
		454	}
17914	bpr	455	if(tikz_file) fprintf(tikz_file,";\n");
10	reyssat	456	}
		457
7675	bpr	458	/* rectangle */
10	reyssat	459	void obj_rect(objparm *pm)
		460	{
12473	bpr	461	int x1,y1,x2,y2;
		462	scale(pm->pd,pm->p,2);
		463	x1=min(pm->p[0],pm->p[2]); x2=max(pm->p[0],pm->p[2]);
		464	y1=min(pm->p[1],pm->p[3]); y2=max(pm->p[1],pm->p[3]);
18125	bpr	465	if(pm->fill==1 \|\| pm->fill==2)
12473	bpr	466	gdImageFilledRectangle(image,x1,y1,x2,y2,pm->color[0]);
		467	else
		468	gdImageRectangle(image,x1,y1,x2,y2,pm->color[0]);
17584	bpr	469	if(tikz_file)
		470	fprintf(tikz_file,
		471	"\\draw\[%s] (%i,%i) rectangle (%i,%i);\n",
		472	tikz_options(pm->color[0],pm->fill),x1,flip(y1),x2,flip(y2));
12473	bpr	473	if(vimg_enable) vimg_rect(scale_buf[0],scale_buf[1],scale_buf[2],scale_buf[3]);
10	reyssat	474	}
		475
7675	bpr	476	/* square */
10	reyssat	477	void obj_square(objparm *pm)
		478	{
12473	bpr	479	int w,h;
		480	scale(pm->pd,pm->p,1);
		481	w=rint(pm->pd[2]); h=rint(pm->pd[2]);
18125	bpr	482	if(pm->fill==1 \|\| pm->fill==2)
12473	bpr	483	gdImageFilledRectangle(image,pm->p[0],pm->p[1],
18123	bpr	484	pm->p[0]+w,pm->p[1]+h,pm->color[0]);
12473	bpr	485	else
		486	gdImageRectangle(image,pm->p[0],pm->p[1],
		487	pm->p[0]+w,pm->p[1]+h,pm->color[0]);
17574	bpr	488	if(tikz_file){
		489	fprintf(tikz_file,
		490	"\\draw\[%s] (%i,%i) rectangle (%i,%i);\n",
		491	tikz_options(pm->color[0],pm->fill),pm->p[0],flip(pm->p[1]),
		492	pm->p[0]+w,flip(pm->p[1]+h));
		493	}
12473	bpr	494	if(vimg_enable) vimg_rect(scale_buf[0],scale_buf[1],
		495	scale_buf[0]+pm->pd[2],scale_buf[1]+pm->pd[2]);
10	reyssat	496	}
		497
7675	bpr	498	/* triangle */
10	reyssat	499	void obj_triangle(objparm *pm)
		500	{
12473	bpr	501	scale(pm->pd,pm->p,3);
18131	bpr	502	int i,n=2;
		503	if(pm->fill!=0){
		504	if(pm->fill==-1 \|\| pm->fill==2){
		505	for(i=0;i<n;i+=1)
		506	myDashedLine(image,pm->p[2i],pm->p[2i+1],pm->p[2i+2],pm->p[2i+3],pm->color[0]);
		507	myDashedLine(image,pm->p[2n],pm->p[2n+1],pm->p[0],pm->p[1],pm->color[0]);
		508	}
		509	if(pm->fill==1 \|\| pm->fill==2)
		510	gdImageFilledPolygon(image,(gdPointPtr) pm->p,3,pm->color[0]);
		511	}
12473	bpr	512	else
		513	gdImagePolygon(image,(gdPointPtr) pm->p,3,pm->color[0]);
17574	bpr	514	if (tikz_file)
		515	fprintf(tikz_file, "\\draw\[%s] (%i, %i) -- (%i, %i) -- (%i, %i) -- cycle;\n",
		516	tikz_options(pm->color[0],pm->fill),pm->p[0],flip(pm->p[1]),pm->p[2],flip(pm->p[3]),pm->p[4],flip(pm->p[5]));
12473	bpr	517	if(vimg_enable) vimg_polyline(scale_buf,3,1);
10	reyssat	518	}
		519
7675	bpr	520	/* polygon */
10	reyssat	521	void obj_poly(objparm *pm)
		522	{
17574	bpr	523	int cnt,i;
12473	bpr	524	cnt=(pm->pcnt)/2;
		525	scale(pm->pd,pm->p,cnt);
18125	bpr	526	if(pm->fill==1 \|\| pm->fill==2)
12473	bpr	527	gdImageFilledPolygon(image,(gdPointPtr) pm->p,cnt,pm->color[0]);
		528	else
		529	gdImagePolygon(image,(gdPointPtr) pm->p,cnt,pm->color[0]);
17614	bpr	530	if(tikz_file){
		531	fprintf(tikz_file,"\\draw\[%s] (%i,%i) --",tikz_options(pm->color[0],pm->fill),pm->p[0],flip(pm->p[1]));
		532	for (i= 1; i<cnt; i++)
		533	fprintf(tikz_file,"(%i,%i)--", pm->p[2i],flip(pm->p[2i+1]));
		534	fprintf(tikz_file," cycle;\n");
		535	}
12473	bpr	536	if(vimg_enable) vimg_polyline(scale_buf,cnt,1);
10	reyssat	537	}
		538
7675	bpr	539	/* rays */
10	reyssat	540	void obj_rays(objparm *pm)
		541	{
12473	bpr	542	int i, n;
		543	n=(pm->pcnt)/2;
		544	scale(pm->pd,pm->p,n);
17920	bpr	545	if (tikz_file)
		546	fprintf(tikz_file, "\\draw\[%s]",tikz_options(pm->color[0],pm->fill));
12473	bpr	547	for(i=2;i<2*n;i+=2) {
18125	bpr	548	if(pm->fill==-1 \|\| pm->fill==2)
18123	bpr	549	myDashedLine(image,pm->p[0],pm->p[1],pm->p[i],pm->p[i+1],pm->color[0]);
		550	else
		551	gdImageLine(image,pm->p[0],pm->p[1],pm->p[i],pm->p[i+1],pm->color[0]);
17574	bpr	552	if (tikz_file)
17920	bpr	553	fprintf(tikz_file, "(%i,%i) -- (%i,%i)",
		554	pm->p[0],flip(pm->p[1]),pm->p[i],flip(pm->p[i+1]));
12473	bpr	555	if(vimg_enable) vimg_line(scale_buf[0],scale_buf[1],
		556	scale_buf[i],scale_buf[i+1]);
		557	}
17920	bpr	558	if (tikz_file) fprintf(tikz_file,";\n");
10	reyssat	559	}
8414	bpr	560	/* crosshair */
		561	void obj_crosshair(objparm *pm)
		562	{
12473	bpr	563	scale(pm->pd,pm->p,2);
		564	gdImageLine(image,pm->p[0]+width2,pm->p[1]+width2,pm->p[0]-width2,pm->p[1]-width2,pm->color[0]);
		565	gdImageLine(image,pm->p[0]-width2,pm->p[1]+width2,pm->p[0]+width2,pm->p[1]-width2,pm->color[0]);
17574	bpr	566	if (tikz_file){
		567	fprintf(tikz_file, "\\draw\[%s] (%i, %i) -- (%i, %i);\n",
		568	tikz_options(pm->color[0],pm->fill),pm->p[0]+width2,flip(pm->p[1]+width2),pm->p[0]-width2,flip(pm->p[1]-width2));
		569	fprintf(tikz_file, "\\draw\[%s] (%i, %i) -- (%i, %i);\n",
		570	tikz_options(pm->color[0],pm->fill),pm->p[0]-width2,flip(pm->p[1]+width2),pm->p[0]+width2,flip(pm->p[1]-width2));
		571	}
8414	bpr	572	}
		573	/* crosshairs */
10	reyssat	574
8414	bpr	575	void obj_crosshairs(objparm *pm)
		576	{
12473	bpr	577	int i, n;
		578	n=(pm->pcnt)/2;
		579	scale(pm->pd,pm->p,n);
17921	bpr	580	if (tikz_file)
		581	fprintf(tikz_file, "\\draw\[%s]",tikz_options(pm->color[0],pm->fill));
12473	bpr	582	for(i=0;i<2*n;i+=2) {
		583	gdImageLine(image,pm->p[i]+width2,pm->p[i+1]+width2,pm->p[i]-width2,pm->p[i+1]-width2,pm->color[0]);
		584	gdImageLine(image,pm->p[i]-width2,pm->p[i+1]+width2,pm->p[i]+width2,pm->p[i+1]-width2,pm->color[0]);
17574	bpr	585	if (tikz_file){
17921	bpr	586	fprintf(tikz_file, "(%i, %i) -- (%i, %i) ",
		587	pm->p[i]+width2,flip(pm->p[i+1]+width2),pm->p[i]-width2,flip(pm->p[i+1]-width2));
		588	fprintf(tikz_file, "(%i, %i) -- (%i, %i)",
		589	pm->p[i]-width2,flip(pm->p[i+1]+width2),pm->p[i]+width2,flip(pm->p[i+1]-width2));
17574	bpr	590	}
12473	bpr	591	}
17921	bpr	592	if (tikz_file) fprintf(tikz_file,";\n");
8414	bpr	593	}
		594
		595
7675	bpr	596	/* segments */
10	reyssat	597	void obj_lines(objparm *pm)
		598	{
17914	bpr	599	int i, n;
		600	n=(pm->pcnt)/2;
		601	scale(pm->pd,pm->p,n);
18123	bpr	602	if (tikz_file){
17914	bpr	603	fprintf(tikz_file,"\\draw\[%s] (%i,%i)",
		604	tikz_options(pm->color[0],pm->fill),pm->p[0],flip(pm->p[1]));
		605	for(i=2;i<2*n;i+=2)
		606	fprintf(tikz_file, "--(%i,%i)",pm->p[i],flip(pm->p[i+1]));
		607	fprintf(tikz_file, ";\n");
		608	}
		609	for(i=2;i<2*n;i+=2){
18125	bpr	610	if(pm->fill==-1 \|\| pm->fill==2 )
18123	bpr	611	myDashedLine(image,pm->p[i-2],pm->p[i-1],pm->p[i],pm->p[i+1],pm->color[0]);
		612	else
		613	gdImageLine(image,pm->p[i-2],pm->p[i-1],pm->p[i],pm->p[i+1],pm->color[0]);
17914	bpr	614	if(vimg_enable) vimg_polyline(scale_buf,n,0);
17574	bpr	615	}
10	reyssat	616	}
16344	bpr	617	/segments from x1,y1 to x2,y2, x3,y3 to x4,y4, etc /
		618	void obj_segments(objparm *pm)
		619	{
		620	int i, n;
		621	n=(pm->pcnt)/4;
		622	scale(pm->pd,pm->p,2*n);
17914	bpr	623	if (tikz_file)
		624	fprintf(tikz_file, "\\draw\[%s]",tikz_options(pm->color[0],pm->fill));
17574	bpr	625	for(i=0;i<4*n;i+=4){
18125	bpr	626	if(pm->fill==-1 \|\| pm->fill==2)
18123	bpr	627	myDashedLine(image,pm->p[i],pm->p[i+1],pm->p[i+2],pm->p[i+3],pm->color[0]);
		628	else
		629	gdImageLine(image,pm->p[i],pm->p[i+1],pm->p[i+2],pm->p[i+3],pm->color[0]);
17914	bpr	630	if (tikz_file)
		631	fprintf(tikz_file, "(%i,%i)--(%i,%i)",
		632	pm->p[i],flip(pm->p[i+1]),pm->p[i+2],flip(pm->p[i+3]));
17574	bpr	633	}
17914	bpr	634	if(tikz_file) fprintf(tikz_file, ";\n");
16344	bpr	635	}
7675	bpr	636	/* segments */
10	reyssat	637	void obj_dlines(objparm *pm)
		638	{
17914	bpr	639	int i, n;
		640	n=(pm->pcnt)/2;
		641	scale(pm->pd,pm->p,n);
18123	bpr	642	if (tikz_file){
17914	bpr	643	fprintf(tikz_file,"\\draw\[%s] (%i,%i)",
		644	tikz_options(pm->color[0],pm->fill),pm->p[0],flip(pm->p[1]));
		645	for(i=2;i<2*n;i+=2)
		646	fprintf(tikz_file, "--(%i,%i)",pm->p[i],flip(pm->p[i+1]));
		647	fprintf(tikz_file, ";\n");
		648	}
		649	for(i=2;i<2*n;i+=2)
		650	myDashedLine(image,pm->p[i-2],pm->p[i-1],pm->p[i],pm->p[i+1],pm->color[0]);
		651	if(vimg_enable) vimg_polyline(scale_buf,n,0);
10	reyssat	652	}
		653
7675	bpr	654	/* points */
10	reyssat	655	void obj_points(objparm *pm)
		656	{
17914	bpr	657	int i, n;
		658	n=(pm->pcnt)/2;
		659	scale(pm->pd,pm->p,n);
		660	for(i=0;i<2*n;i+=2) gdImageSetPixel(image,pm->p[i],pm->p[i+1],pm->color[0]);
		661	if(tikz_file) {
		662	fprintf(tikz_file, "\\draw\[%s]", tikz_options(pm->color[0],pm->fill));
		663	for(i=0;i<2*n;i+=2)
		664	fprintf(tikz_file,"(%i,%i)circle(1pt)",pm->p[i],flip(pm->p[i+1]));
		665	fprintf(tikz_file,";\n");
		666	}
10	reyssat	667	}
		668
7675	bpr	669	/* lattice.
		670	* x0,y0,xv1,yv1,xv2,yv2,n1,n2,color */
10	reyssat	671	void obj_lattice(objparm *pm)
		672	{
17914	bpr	673	int n1,n2,i1,i2,xi1,yi1,xi2,yi2;
		674	double xv1,xv2,yv1,yv2;
		675	n1=pm->pd[6];n2=pm->pd[7]; if(n1<0 \|\| n2<0) return;
		676	if(n1>256) n1=256;
		677	if(n2>256) n2=256;
		678	scale(pm->pd,pm->p,1);
		679	scale2(pm->pd[2],pm->pd[3],&xv1,&yv1);
		680	scale2(pm->pd[4],pm->pd[5],&xv2,&yv2);
		681	if(tikz_file)
		682	fprintf(tikz_file,"\\draw[%s]", tikz_options(pm->color[0],0));
		683	for(i1=0;i1<n1;i1++) {
		684	xi1=rint(i1xv1)+pm->p[0]; yi1=rint(i1yv1)+pm->p[1];
		685	for(i2=0;i2<n2;i2++) {
		686	xi2=i2xv2+xi1;yi2=i2yv2+yi1;
		687	gdImageSetPixel(image,xi2,yi2,pm->color[0]);
		688	if(tikz_file) fprintf(tikz_file,"(%i,%i)circle(1pt)",xi2,flip(yi2));
		689	}
		690	}
		691	if(tikz_file) fprintf(tikz_file,";\n");
10	reyssat	692	}
		693
7675	bpr	694	/* arc */
10	reyssat	695	void obj_arc(objparm *pm)
		696	{
12473	bpr	697	scale(pm->pd,pm->p,1);
		698	pm->p[2]=rint(pm->pd[2]xscale); pm->p[3]=rint(pm->pd[3]yscale);
		699	gdImageArc(image,pm->p[0],pm->p[1],pm->p[2],pm->p[3],
		700	pm->pd[4],pm->pd[5],pm->color[0]);
17574	bpr	701	if(tikz_file) {
17914	bpr	702	pm->pd[4]-=360*rint(pm->pd[4]/360);
		703	pm->pd[5]-=360*rint(pm->pd[5]/360);
		704	if(pm->pd[4]>pm->pd[5]) pm->pd[5]+=360;
		705	fprintf(tikz_file,
17574	bpr	706	"\\draw\[%s, domain=%f:%f] plot ({%i+%fcos(\\x)}, {%i+%fsin(\\x)});\n",
		707	tikz_options(pm->color[0],pm->fill),
		708	pm->pd[4],pm->pd[5],pm->p[0],pm->p[2]0.5,flip(pm->p[1]),pm->p[3](-0.5));
		709	}
		710	/FIXME echelle mauvaise/
12473	bpr	711	if(vimg_enable) vimg_arc(scale_buf[0],scale_buf[1],
		712	0.5pm->pd[2],0.5pm->pd[3],pm->pd[4],pm->pd[5]);
10	reyssat	713	}
		714
17676	bpr	715	void obj_angle(objparm *pm)
		716	{
		717	const double DEG=M_PI/180;
		718	double dpts[6];
		719	int pts[6], wx=rint(2pm->pd[2]xscale), wy=rint(2pm->pd[2]yscale);
		720	dpts[0]=pm->pd[0];
		721	dpts[1]=pm->pd[1];
		722	dpts[2]=pm->pd[0]+pm->pd[2]cos(DEGpm->pd[3]);
		723	dpts[3]=pm->pd[1]+pm->pd[2]sin(DEGpm->pd[3]);
		724	dpts[4]=pm->pd[0]+pm->pd[2]cos(DEGpm->pd[4]);
		725	dpts[5]=pm->pd[1]+pm->pd[2]sin(DEGpm->pd[4]);
		726	scale(dpts, pts, 3);
		727	gdImageLine(image,pts[0],pts[1],pts[2],pts[3],pm->color[0]);
		728	gdImageLine(image,pts[0],pts[1],pts[4],pts[5],pm->color[0]);
		729	gdImageArc(image,pts[0],pts[1],wx,wy,pm->pd[3],pm->pd[4],pm->color[0]);
		730	if(tikz_file) {
		731	fprintf(tikz_file, "\\draw\[%s, domain=%f:%f] plot ({%i+%fcos(\\x)}, {%i+%fsin(\\x)});\n",
		732	tikz_options(pm->color[0],pm->fill),pm->pd[3],pm->pd[4],pts[0],wx0.5,flip(pts[1]),wy(-0.5));
17950	bpr	733	fprintf(tikz_file, "\\draw\[%s] (%i, %i) -- (%i, %i) (%i, %i) -- (%i, %i);\n",
		734	tikz_options(pm->color[0],pm->fill),pts[0],flip(pts[1]),pts[2],flip(pts[3]),pts[0],flip(pts[1]),pts[4],flip(pts[5]));
17676	bpr	735	}
		736	}
7675	bpr	737	/* Ellipse: centre 0,1, width 2, hight 3, color 4,5,6 */
10	reyssat	738	void obj_ellipse(objparm *pm)
		739	{
12473	bpr	740	scale(pm->pd,pm->p,1);
17676	bpr	741	pm->p[2]=pm->pd[2]xscale; pm->p[3]=pm->pd[3]yscale;
18125	bpr	742	if(pm->fill==1 \|\| pm->fill==2) {
12473	bpr	743	gdImageArc(image,pm->p[0],pm->p[1],pm->p[2],pm->p[3],0,360,
		744	color_bounder);
		745	patchgdImageFillToBorder(image,pm->p[0],pm->p[1],
		746	color_bounder,pm->color[0]);
		747	}
17676	bpr	748	gdImageArc(image,pm->p[0],pm->p[1],rint(pm->p[2]),rint(pm->p[3]),0,360,pm->color[0]);
		749	if(tikz_file) fprintf(tikz_file,"\\draw\[%s] (%i,%i) ellipse (%i and %i);\n\n",
17912	bpr	750	tikz_options(pm->color[0],pm->fill),pm->p[0],flip(pm->p[1]),(int) rint(0.5pm->p[2]),(int) rint(0.5pm->p[3]));
17574	bpr	751	if(vimg_enable) vimg_ellipse(scale_buf[0],scale_buf[1],0.5pm->pd[2],0.5pm->pd[3]);
10	reyssat	752	}
		753
17656	bpr	754	/* Circle radius in pixels*/
10	reyssat	755	void obj_circle(objparm *pm)
		756	{
12473	bpr	757	scale(pm->pd,pm->p,1);
		758	pm->p[2]=rint(pm->pd[2]); pm->p[3]=rint(pm->pd[2]);
18125	bpr	759	if(pm->fill==1 \|\| pm->fill==2) {
12473	bpr	760	gdImageArc(image,pm->p[0],pm->p[1],pm->p[2],pm->p[3],0,360,
		761	color_bounder);
		762	patchgdImageFillToBorder(image,pm->p[0],pm->p[1],
		763	color_bounder,pm->color[0]);
		764	}
		765	gdImageArc(image,pm->p[0],pm->p[1],pm->p[2],pm->p[3],0,360,pm->color[0]);
17676	bpr	766	if(tikz_file) fprintf(tikz_file, "\\draw\[%s] (%i, %i) circle (%i);\n",
		767	tikz_options(pm->color[0],pm->fill),pm->p[0],flip(pm->p[1]),(int) rint(pm->pd[2]/2.));
10	reyssat	768	}
17656	bpr	769	/* Circle, radius in xrange */
		770	void obj_circles(objparm *pm)
		771	{
		772	int i, n;
		773	n=(pm->pcnt)/3;
		774	for (i=0; i<n; ++i) scale(pm->pd+3i, pm->p+3i, 1);
17942	bpr	775	if (tikz_file) fprintf(tikz_file,"\\draw\[%s]",tikz_options(pm->color[0],pm->fill));
17656	bpr	776	for(i=0;i<3*n;i+=3){
18125	bpr	777	if(pm->fill==1 \|\| pm->fill==2) {
18118	bpr	778	gdImageArc(image,pm->p[i],pm->p[i+1],
		779	rint(2pm->pd[i+2]xscale),rint(2pm->pd[i+2]xscale),0,360,
		780	color_bounder);
		781	patchgdImageFillToBorder(image,pm->p[i],pm->p[i+1],
		782	color_bounder,pm->color[0]);
		783	}
17656	bpr	784	gdImageArc(image,pm->p[i],pm->p[i+1],
18118	bpr	785	rint(2pm->pd[i+2]xscale),rint(2pm->pd[i+2]xscale),0,360,pm->color[0]);
17656	bpr	786	if (tikz_file){
17942	bpr	787	fprintf(tikz_file, "(%i, %i) circle (%i and %i)",
		788	pm->p[i],flip(pm->p[i+1]),(int) rint(pm->pd[i+2]xscale),(int) rint(pm->pd[i+2]xscale));
17656	bpr	789	}
		790	}
17942	bpr	791	if (tikz_file) fprintf(tikz_file,";\n");
17656	bpr	792	}
17676	bpr	793	/* ellipse, width in xrange,height in yrange */
17656	bpr	794	void obj_ellipses(objparm *pm)
		795	{
		796	int i, n;
		797	n=(pm->pcnt)/4;
		798	for (i=0; i<n; ++i) scale(pm->pd+4i, pm->p+4i, 1);
17943	bpr	799	if (tikz_file) fprintf(tikz_file,"\\draw\[%s]",tikz_options(pm->color[0],pm->fill));
17656	bpr	800	for(i=0;i<4*n;i+=4){
18125	bpr	801	if(pm->fill==1 \|\| pm->fill==2){
18123	bpr	802	gdImageArc(image,pm->p[i],pm->p[i+1],
		803	rint(pm->pd[i+2]xscale),rint(pm->pd[i+2]xscale),0,360,
		804	color_bounder);
		805	patchgdImageFillToBorder(image,pm->p[i],pm->p[i+1],
		806	color_bounder,pm->color[0]);
		807	} else
		808	gdImageArc(image,pm->p[i],pm->p[i+1],rint(pm->pd[i+2]xscale),rint(pm->pd[i+3]yscale),0,360,pm->color[0]);
17656	bpr	809	if (tikz_file){
17943	bpr	810	fprintf(tikz_file, "(%i, %i) circle (%i and %i)",
		811	pm->p[i],flip(pm->p[i+1]),(int) rint(pm->pd[i+2]xscale/2),(int) rint(pm->pd[i+3]yscale/2));
17656	bpr	812	}
		813	}
17943	bpr	814	if (tikz_file) fprintf(tikz_file,";\n");
17656	bpr	815	}
17940	bpr	816	typedef enum tikz_fill_options {grid, dot, hatch, diamond} tfo;
17599	bpr	817	int compar(const void a, const void b) {return (int )b - (int )a;}
		818
17662	bpr	819	static void tikz_fill(int x, int y, int nx, int ny, int wall, int the_color, tfo opt)
17599	bpr	820	{
17662	bpr	821	int numpix=sizex*sizey, top = 0, a, c, cy, lx=0, rx=0, seed, nt,ct=0;
17599	bpr	822	int stack = xmalloc(numpixsizeof(int));
		823	int stack2 = xmalloc(numpixsizeof(int));
18132	bpr	824	if (nx==0) nx=1;
		825	if (ny==0) ny=1;
		826	nt = abs(nx*ny);
17599	bpr	827	seed = gdImageGetPixel(image,x,y);
		828	char *check = xmalloc(numpix);
		829	while (numpix--) check[numpix]=0;
		830	a=x+y*sizex;
		831	check[a]=1;
		832	stack[top++]=a;
		833	while(top)
		834	{
		835	a = stack[--top];
		836	x = a%sizex; y = a/sizex;
17662	bpr	837	c = gdImageGetPixel(image,x,y);
		838	if ((wall && (c == wall))\|\|(!wall && c!=seed))
		839	continue;
17599	bpr	840	if (x>0 && !check[a-1]) {check[a-1]=1; stack[top++]=a-1;}
		841	if (x+1<sizex && !check[a+1]) {check[a+1]=1; stack[top++]=a+1;}
		842	if (y>0 && !check[a-sizex]) {check[a-sizex]=1; stack[top++]=a-sizex;}
		843	if (y+1<sizey && !check[a+sizex]) {check[a+sizex]=1; stack[top++]=a+sizex;}
		844	switch(opt)
17621	bpr	845	{
17940	bpr	846	case grid: if(((x%nx)!=(nx/2))&&((y%ny)!=(ny/2))) continue; break;
		847	case dot: if(x%nx!=nx/2\|\|y%ny!=ny/2) continue; break;
17939	bpr	848	case hatch: if((nyx-nxy+nt)%nt) continue; break;
17940	bpr	849	case diamond: if((nyx+nxy)%nt && (nyx-nxy+nt)%nt)continue;
17621	bpr	850	default: break;
		851	}
17599	bpr	852	stack2[ct++]=a;
		853	}
		854	free(stack);
		855	free(check);
		856	if (ct==0) return;
17938	bpr	857	fprintf(tikz_file,"\\draw\[%s]", tikz_options(the_color,1));
17599	bpr	858	qsort(stack2, ct, sizeof(int), compar);
		859	cy=-1;
		860	while (ct--)
		861	{
		862	a = stack2[ct];
		863	x = a%sizex; y = a/sizex;
		864	if (y != cy \|\| x != rx+1)
		865	{
17621	bpr	866	if (cy >= 0)
		867	fprintf(tikz_file,
17933	bpr	868	"(%.2f,%.2f)rectangle(%.2f,%.2f)",
		869	lx-0.0,flip(cy-0.0),rx+0.0,flip(cy+0.0));
17621	bpr	870	cy = y;
		871	lx = rx = x;
17599	bpr	872	}
		873	else
17621	bpr	874	rx++;
17599	bpr	875	}
		876	fprintf(tikz_file,
17933	bpr	877	"(%.2f,%.2f)rectangle(%.2f,%.2f);\n",
		878	lx-0.0,flip(cy-0.0),rx+0.0,flip(cy+0.0));
17599	bpr	879	free(stack2);
		880	}
18125	bpr	881	void obj_dashed(objparm *pm){ dashed=1;}
		882	void obj_filled(objparm *pm){ filled=1;}
17599	bpr	883
7675	bpr	884	/* flood fill */
10	reyssat	885	void obj_fill(objparm *pm)
		886	{
12473	bpr	887	scale(pm->pd,pm->p,1);
17940	bpr	888	if (tikz_file) tikz_fill(pm->p[0],pm->p[1],1,1,0,pm->color[0],grid);
12473	bpr	889	patchgdImageFill(image,pm->p[0],pm->p[1],pm->color[0]);
10	reyssat	890	}
		891
7675	bpr	892	/* flood fill to border*/
10	reyssat	893	void obj_fillb(objparm *pm)
		894	{
12473	bpr	895	scale(pm->pd,pm->p,1);
17940	bpr	896	if (tikz_file) tikz_fill(pm->p[0],pm->p[1],1,1,pm->color[0],pm->color[1],grid);
12473	bpr	897	patchgdImageFillToBorder(image,pm->p[0],pm->p[1],pm->color[0],pm->color[1]);
10	reyssat	898	}
		899
		900	gdImagePtr himg;
		901
		902	int makehatchimage(int x, int y, int px, int py, int col)
		903	{
12473	bpr	904	int c1,c2,r,g,b;
		905	gdImagePtr saveimg;
		906	himg=gdImageCreate(x,y);
		907	c1=gdImageGetPixel(image,px,py);
		908	r=gdImageRed(image,c1); g=gdImageGreen(image,c1); b=gdImageBlue(image,c1);
		909	if(r>=255) r--; else r++; if(g>=255) g--; else g++; if(b>=255) b--; else b++;
		910	c1=gdImageColorAllocate(himg,r,g,b);
		911	r=gdImageRed(image,col); g=gdImageGreen(image,col); b=gdImageBlue(image,col);
		912	c2=gdImageColorAllocate(himg,r,g,b);
		913	if(width>1) {
		914	savew=-1; saveimg=image;
		915	image=himg; c2=widthcolor(width,c2); image=saveimg;
		916	c2=gdBrushed; savew=-1;
		917	}
		918	return c2;
10	reyssat	919	}
		920
7675	bpr	921	/* flood fill with hatching */
10	reyssat	922	void obj_hatchfill(objparm *pm)
		923	{
12473	bpr	924	int nx,ny,ax,ay, dir, c;
		925	scale(pm->pd,pm->p,1);
		926	nx=pm->pd[2]; ny=pm->pd[3]; ax=abs(nx); ay=abs(ny);
		927	if(nx==0 && ny==0) {fly_error("bad displacement vector"); return;}
		928	if((nx>0 && ny>0) \|\| (nx<0 && ny<0)) dir=1; else dir=-1;
		929	if(ax==0) {ax=100; dir=2;}
		930	if(ay==0) {ay=100; dir=3;}
		931	c=makehatchimage(ax,ay,pm->p[0],pm->p[1],pm->color[0]);
		932	switch(dir) {
		933	case -1: {
		934	gdImageLine(himg,0,ay-1,ax-1,0,c);
		935	if(width>1) {
		936	gdImageLine(himg,-ax,ay-1,-1,0,c);
		937	gdImageLine(himg,ax,ay-1,2*ax-1,0,c);
		938	gdImageLine(himg,0,-1,ax-1,-ay,c);
		939	gdImageLine(himg,0,2*ay-1,ax-1,ay,c);
7675	bpr	940	}
12473	bpr	941	break;
		942	}
		943	case 1: {
		944	gdImageLine(himg,0,0,ax-1,ay-1,c);
		945	if(width>1) {
		946	gdImageLine(himg,-ax,0,-1,ay-1,c);
		947	gdImageLine(himg,ax,0,2*ax-1,ay-1,c);
		948	gdImageLine(himg,0,-ay,ax-1,-1,c);
		949	gdImageLine(himg,0,ay,ax-1,2*ay-1,c);
7675	bpr	950	}
12473	bpr	951	break;
		952	}
		953	case 2: gdImageLine(himg,0,ay/2,ax-1,ay/2,c); break;
17574	bpr	954	case 3: gdImageLine(himg,ax/2,0,ax/2,ay-1,c); break;
12473	bpr	955	}
17662	bpr	956	if (tikz_file) tikz_fill(pm->p[0],pm->p[1],nx,ny,0,pm->color[0],hatch);
12473	bpr	957	gdImageSetTile(image,himg);
		958	patchgdImageFill(image,pm->p[0],pm->p[1],gdTiled);
		959	gdImageDestroy(himg);
		960	if(tiled) gdImageSetTile(image,tileimg);
10	reyssat	961	}
		962
7675	bpr	963	/* flood fill with grid */
10	reyssat	964	void obj_gridfill(objparm *pm)
		965	{
12473	bpr	966	int nx,ny, c;
		967	scale(pm->pd,pm->p,1);
		968	nx=pm->pd[2]; ny=pm->pd[3]; nx=abs(nx); ny=abs(ny);
		969	if(nx==0 && ny==0) {fly_error("bad grid size"); return;}
		970	c=makehatchimage(nx,ny,pm->p[0],pm->p[1],pm->color[0]);
17940	bpr	971	if (tikz_file) tikz_fill(pm->p[0],pm->p[1],nx,ny,0,pm->color[0],grid);
12473	bpr	972	gdImageLine(himg,0,ny/2,nx-1,ny/2,c); gdImageLine(himg,nx/2,0,nx/2,ny-1,c);
		973	gdImageSetTile(image,himg);
		974	patchgdImageFill(image,pm->p[0],pm->p[1],gdTiled);
		975	gdImageDestroy(himg);
		976	if(tiled) gdImageSetTile(image,tileimg);
10	reyssat	977	}
		978
7675	bpr	979	/* flood fill with double hatching */
10	reyssat	980	void obj_diafill(objparm *pm)
		981	{
12473	bpr	982	int nx,ny, c;
		983	scale(pm->pd,pm->p,1);
		984	nx=pm->pd[2]; ny=pm->pd[3]; nx=abs(nx); ny=abs(ny);
		985	if(nx==0 && ny==0) {fly_error("bad grid size"); return;}
		986	c=makehatchimage(nx,ny,pm->p[0],pm->p[1],pm->color[0]);
17940	bpr	987	if (tikz_file) tikz_fill(pm->p[0],pm->p[1],nx,ny,0,pm->color[0],diamond);
12473	bpr	988	gdImageLine(himg,0,0,nx-1,ny-1,c); gdImageLine(himg,0,ny-1,nx-1,0,c);
		989	gdImageSetTile(image,himg);
		990	patchgdImageFill(image,pm->p[0],pm->p[1],gdTiled);
		991	gdImageDestroy(himg);
		992	if(tiled) gdImageSetTile(image,tileimg);
10	reyssat	993	}
		994
17599	bpr	995	/* flood fill with dots */
10	reyssat	996	void obj_dotfill(objparm *pm)
		997	{
12473	bpr	998	int nx,ny, c;
		999	scale(pm->pd,pm->p,1);
		1000	nx=pm->pd[2]; ny=pm->pd[3]; nx=abs(nx); ny=abs(ny);
		1001	if(nx==0 && ny==0) {fly_error("bad grid size"); return;}
		1002	c=makehatchimage(nx,ny,pm->p[0],pm->p[1],pm->color[0]);
17940	bpr	1003	if (tikz_file) tikz_fill(pm->p[0],pm->p[1],nx,ny,0,pm->color[0],dot);
12473	bpr	1004	gdImageSetPixel(himg,nx/2,ny/2,c);
		1005	gdImageSetTile(image,himg);
		1006	patchgdImageFill(image,pm->p[0],pm->p[1],gdTiled);
		1007	gdImageDestroy(himg);
		1008	if(tiled) gdImageSetTile(image,tileimg);
10	reyssat	1009	}
		1010
		1011	struct {
12473	bpr	1012	char *name;
		1013	gdFontPtr *fpt;
17964	bpr	1014	char *ftikz;
10	reyssat	1015	} fonttab[]={
17964	bpr	1016	{"tiny", &gdFontTiny,"0.3"},
		1017	{"small", &gdFontSmall,"0.5"},
		1018	{"medium",&gdFontMediumBold,"0.7"},
		1019	{"large", &gdFontLarge,"0.9"},
		1020	{"giant", &gdFontGiant,"1"},
		1021	{"huge", &gdFontGiant,"1"}
10	reyssat	1022	};
		1023
		1024	#define fonttab_no (sizeof(fonttab)/sizeof(fonttab[0]))
		1025
7675	bpr	1026	/* string */
10	reyssat	1027	void obj_string(objparm *pm)
		1028	{
12473	bpr	1029	char pp, pe, *p2;
		1030	int i;
		1031	pp=pm->str; pe=strchr(pp,','); if(pe==NULL) {
		1032	fly_error("too_few_parms"); return;
		1033	}
		1034	pe++=0; pp=find_word_start(pp); find_word_end(pp)=0;
		1035	pe=find_word_start(pe); strip_trailing_spaces(pe);
		1036	if(*pp) {
		1037	for(i=0;i<fonttab_no && strcmp(pp,fonttab[i].name)!=0; i++);
		1038	if(i>=fonttab_no) i=1;
		1039	}
		1040	else i=1;
		1041	scale(pm->pd,pm->p,1);
		1042	if(*pe=='"') {
		1043	p2=strchr(pe+1,'"');
		1044	if(p2 && (p2+1)==0) {p2=0; pe++;}
		1045	}
17585	bpr	1046	if(pm->fill){
12473	bpr	1047	gdImageStringUp(image,(fonttab[i].fpt),pm->p[0],pm->p[1], (unsigned char) pe,
		1048	pm->color[0]);
17964	bpr	1049	if(tikz_file) fprintf(tikz_file,"\\draw (%i,%i) node[scale=%s,rotate=90,color=%s,anchor=north west,inner sep=0pt] {\\(%s\\)};\n",
		1050	pm->p[0],flip(pm->p[1]),fonttab[i].ftikz,tikz_color(pm->color[0]),(unsigned char*) pe);
17585	bpr	1051	}
		1052	else {
12473	bpr	1053	gdImageString(image,(fonttab[i].fpt),pm->p[0],pm->p[1], (unsigned char) pe,
		1054	pm->color[0]);
17964	bpr	1055	if(tikz_file) fprintf(tikz_file,"\\draw (%i,%i) node[scale=%s,color=%s,anchor=north west,inner sep=0pt] {\\(%s\\)};\n",
		1056	pm->p[0],flip(pm->p[1]),fonttab[i].ftikz,tikz_color(pm->color[0]),(unsigned char*) pe);
17585	bpr	1057	}
10	reyssat	1058	}
17585	bpr	1059	/FIXME; giant does not exist in tikz and ... samething as huge /
7675	bpr	1060	/* point */
10	reyssat	1061	void obj_point(objparm *pm)
		1062	{
12473	bpr	1063	scale(pm->pd,pm->p,1);
		1064	gdImageSetPixel(image,pm->p[0],pm->p[1],pm->color[0]);
17917	bpr	1065	if(tikz_file) fprintf(tikz_file,"\\draw[%s] (%i,%i) circle (1pt);\n",
17574	bpr	1066	tikz_options(pm->color[0],0),pm->p[0],flip(pm->p[1]));
10	reyssat	1067	}
		1068
7675	bpr	1069	/* copy an image file */
10	reyssat	1070	void obj_copy(objparm *pm)
		1071	{
12473	bpr	1072	char *pp;
		1073	FILE *inf;
		1074	gdImagePtr insimg;
7615	bpr	1075
12473	bpr	1076	pp=find_word_start(pm->str);*find_word_end(pp)=0;
		1077	inf=open4read(pp);
		1078	if(inf==NULL) {
17599	bpr	1079	fly_error("file_does_not_exist"); return;
12473	bpr	1080	}
		1081	insimg=gdImageCreateFromGif(inf); fclose(inf);
		1082	if(insimg==NULL) {
		1083	fly_error("bad_gif"); return;
		1084	}
		1085	scale(pm->pd,pm->p,1);
		1086	if(pm->pd[2]<0 && pm->pd[3]<0 && pm->pd[4]<0 && pm->pd[5]<0)
		1087	gdImageCopy(image,insimg,pm->p[0],pm->p[1],0,0,
		1088	insimg->sx,insimg->sy);
		1089	else
		1090	gdImageCopy(image,insimg,pm->p[0],pm->p[1],pm->pd[2],pm->pd[3],
		1091	pm->pd[4]-pm->pd[2],pm->pd[5]-pm->pd[3]);
17587	bpr	1092	if(tikz_file) fprintf(tikz_file,
17618	bpr	1093	"\\node[anchor=north west,inner sep=0pt] at (%i,%i) {\\includegraphics\[width=.05\\linewidth]{%s}};\n",
17587	bpr	1094	pm->p[0],flip(pm->p[1]),pm->str);
		1095	gdImageDestroy(insimg);
		1096	/FIXME position non correcte; on ne peut pas utiliser une image gif /
10	reyssat	1097	}
		1098
7675	bpr	1099	/* copy an image file, with resizing */
10	reyssat	1100	void obj_copyresize(objparm *pm)
		1101	{
12473	bpr	1102	char *pp;
		1103	FILE *inf;
		1104	gdImagePtr insimg;
7615	bpr	1105
12473	bpr	1106	pp=find_word_start(pm->str);*find_word_end(pp)=0;
		1107	inf=open4read(pp);
		1108	if(inf==NULL) {
		1109	fly_error("file_not_found"); return;
		1110	}
		1111	insimg=gdImageCreateFromGif(inf); fclose(inf);
		1112	if(insimg==NULL) {
		1113	fly_error("bad_gif"); return;
		1114	}
		1115	scale(pm->pd+4,pm->p+4,2);
		1116	if(pm->pd[0]<0 && pm->pd[1]<0 && pm->pd[2]<0 && pm->pd[3]<0)
		1117	gdImageCopyResized(image,insimg,pm->p[4],pm->p[5],0,0,
		1118	pm->p[6]-pm->p[4]+1,pm->p[7]-pm->p[5]+1,
		1119	insimg->sx,insimg->sy);
		1120	else
		1121	gdImageCopyResized(image,insimg,pm->p[4],pm->p[5],pm->pd[0],pm->pd[1],
		1122	pm->p[6]-pm->p[4]+1,pm->p[7]-pm->p[5]+1,
		1123	pm->pd[2]-pm->pd[0]+1,pm->pd[3]-pm->pd[1]+1);
		1124	gdImageDestroy(insimg);
10	reyssat	1125	}
		1126
7675	bpr	1127	/* set brush or tile */
10	reyssat	1128	void obj_setbrush(objparm *pm)
		1129	{
12473	bpr	1130	char *pp;
		1131	FILE *inf;
		1132	gdImagePtr insimg;
10	reyssat	1133
12473	bpr	1134	pp=find_word_start(pm->str); *find_word_end(pp)=0;
		1135	inf=open4read(pp); if(inf==NULL) {
		1136	fly_error("file_not_found"); return;
		1137	}
		1138	insimg=gdImageCreateFromGif(inf); fclose(inf);
		1139	if(insimg==NULL) {
		1140	fly_error("bad_gif"); return;
		1141	}
		1142	if(pm->fill) {
		1143	gdImageSetTile(image,insimg); tiled=1; tileimg=insimg;
		1144	}
		1145	else {
		1146	gdImageSetBrush(image,insimg);brushed=1; brushimg=insimg;
		1147	}
10	reyssat	1148	}
		1149
7675	bpr	1150	/* kill brush */
10	reyssat	1151	void obj_killbrush(objparm *pm)
		1152	{
12473	bpr	1153	if(brushimg) gdImageDestroy(brushimg);
		1154	brushed=0; brushimg=NULL;
10	reyssat	1155	}
		1156
7675	bpr	1157	/* kill tile */
10	reyssat	1158	void obj_killtile(objparm *pm)
		1159	{
12473	bpr	1160	if(tileimg) gdImageDestroy(tileimg);
		1161	tiled=0; tileimg=NULL;
10	reyssat	1162	}
		1163
7675	bpr	1164	/* set style */
10	reyssat	1165	void obj_setstyle(objparm *pm)
		1166	{
12473	bpr	1167	int i,t;
		1168	t=pm->pcnt/3; if(t<=0) {
		1169	fly_error("too_few_parms"); return;
		1170	}
		1171	for(i=0;i<t;i++) {
		1172	if(pm->pd[3i]<0 \|\| pm->pd[3i+1]<0 \|\| pm->pd[3*i+2]<0)
		1173	pm->p[i]=gdTransparent;
		1174	else
		1175	pm->p[i]=getcolor(pm->pd[3i],pm->pd[3i+1],pm->pd[3*i+2]);
		1176	}
		1177	gdImageSetStyle(image,pm->p,t); styled=1;
10	reyssat	1178	}
		1179
7675	bpr	1180	/* kill style */
10	reyssat	1181	void obj_killstyle(objparm *pm)
		1182	{
12473	bpr	1183	styled=0;
10	reyssat	1184	}
		1185
7675	bpr	1186	/* set transparent */
10	reyssat	1187	void obj_transp(objparm *pm)
		1188	{
12473	bpr	1189	gdImageColorTransparent(image,pm->color[0]);
10	reyssat	1190	}
		1191
7675	bpr	1192	/* set interlace */
10	reyssat	1193	void obj_interlace(objparm *pm)
		1194	{
12473	bpr	1195	gdImageInterlace(image,1);
10	reyssat	1196	}
		1197
7675	bpr	1198	/* set linewidth */
10	reyssat	1199	void obj_linewidth(objparm *pm)
		1200	{
12473	bpr	1201	if(pm->pd[0]<1 \|\| pm->pd[0]>255) fly_error("bad_parms");
17574	bpr	1202	width=pm->pd[0];
17612	bpr	1203	if(tikz_file) fprintf(tikz_file,"\\pgfsetlinewidth{%fpt}\n",width*0.7);
10	reyssat	1204	}
		1205
8414	bpr	1206	/* set crosshairsize */
		1207	void obj_crosshairsize(objparm *pm)
		1208	{
12473	bpr	1209	if(pm->pd[0]<1 \|\| pm->pd[0]>255) fly_error("bad_parms");
		1210	else width2=pm->pd[0];
8414	bpr	1211	}
		1212
7675	bpr	1213	/* set x range */
10	reyssat	1214	void obj_xrange(objparm *pm)
		1215	{
12473	bpr	1216	double dd;
		1217	dd=pm->pd[1]-pm->pd[0];
		1218	xstart=pm->pd[0]; xscale=sizex/dd;
10	reyssat	1219	}
		1220
7675	bpr	1221	/* set y range */
10	reyssat	1222	void obj_yrange(objparm *pm)
		1223	{
12473	bpr	1224	double dd;
		1225	dd=pm->pd[1]-pm->pd[0];
		1226	ystart=pm->pd[1]; yscale=-sizey/dd;
10	reyssat	1227	}
		1228
7675	bpr	1229	/* set x et y range */
10	reyssat	1230	void obj_range(objparm *pm)
		1231	{
12473	bpr	1232	double d1,d2;
		1233	d1=pm->pd[1]-pm->pd[0]; d2=pm->pd[3]-pm->pd[2];
		1234	xstart=pm->pd[0]; xscale=(sizex-1)/d1;
		1235	ystart=pm->pd[3]; yscale=-(sizey-1)/d2;
10	reyssat	1236	}
		1237
7675	bpr	1238	/* set t range */
10	reyssat	1239	void obj_trange(objparm *pm)
		1240	{
12473	bpr	1241	/*double dd;
		1242	dd=pm->pd[1]-pm->pd[0];*/
		1243	tstart=pm->pd[0]; tend=pm->pd[1];
		1244	tranged=1;
10	reyssat	1245	}
		1246
7675	bpr	1247	/* set tstep (plotting step) */
10	reyssat	1248	void obj_tstep(objparm *pm)
		1249	{
12473	bpr	1250	int dd;
		1251	dd=pm->pd[0];
		1252	if(dd<3) {
		1253	fly_error("bad_step"); return;
		1254	}
		1255	if(dd>2000) dd=2000;
		1256	tstep=dd;
10	reyssat	1257	}
		1258
7675	bpr	1259	/* set plotjump (plot jump break threashold) */
10	reyssat	1260	void obj_plotjump(objparm *pm)
		1261	{
12473	bpr	1262	int dd;
		1263	dd=pm->pd[0];
		1264	if(dd<3) dd=3;
		1265	if(dd>MAX_SIZE) dd=MAX_SIZE;
		1266	plotjump=dd;
10	reyssat	1267	}
		1268
7675	bpr	1269	/* plot a curve, either parametric or explicit */
6578	bpr	1270	void _obj_plot(objparm *pm,int dash)
10	reyssat	1271	{
12473	bpr	1272	int i,j,n,dist,xx,yy,varpos;
		1273	char p1[MAX_LINELEN+1], p2[MAX_LINELEN+1];
		1274	char varn, pp;
		1275	double dc[2],t,v;
		1276	int ic[2],oc[2];
10	reyssat	1277
12473	bpr	1278	n=itemnum(pm->str);
		1279	if(n<1) {
		1280	fly_error("bad_parms"); return;
		1281	}
		1282	fnd_item(pm->str,1,p1); fnd_item(pm->str,2,p2);
		1283	if(n==1 && !tranged) v=sizex/xscale/tstep;
		1284	else v=(tend-tstart)/tstep;
		1285	if(n==1) varn="x"; else varn="t";
		1286	for(pp=varchr(p1,varn); pp; pp=varchr(pp,varn)) {
		1287	string_modify(p1,pp,pp+strlen(varn),EV_T);
		1288	pp+=strlen(EV_T);
		1289	}
		1290	for(pp=varchr(p2,varn); pp; pp=varchr(pp,varn)) {
		1291	string_modify(p2,pp,pp+strlen(varn),EV_T);
7675	bpr	1292	pp+=strlen(EV_T);
12473	bpr	1293	}
		1294	varpos=eval_getpos(EV_T);
		1295	if(varpos<0) return; /* unknown error */
		1296	evalue_compile(p1); evalue_compile(p2);
		1297	if(vimg_enable) vimg_plotstart();
17933	bpr	1298	if (tikz_file) fprintf(tikz_file,"\%\%begin plot\n\\draw\[%s]",
		1299	tikz_options(pm->color[0],-dash));
12473	bpr	1300	for(i=j=0;i<=tstep;i++) {
		1301	if(n==1) {
		1302	if(tranged) t=tstart+iv; else t=xstart+iv;
		1303	eval_setval(varpos,t); dc[0]=t; dc[1]=strevalue(p1);
10	reyssat	1304	}
17621	bpr	1305	else {
		1306	t=tstart+i*v; eval_setval(varpos,t);
		1307	dc[0]=strevalue(p1); dc[1]=strevalue(p2);
10	reyssat	1308	}
17621	bpr	1309	if(!isfinite(dc[0]) \|\| !isfinite(dc[1])) ic[0]=ic[1]=-BOUND;
		1310	else scale(dc,ic,1);
		1311	if(vimg_enable) vimg_plot1 (scale_buf[0],scale_buf[1]);
18019	bpr	1312	if(j==0) {
		1313	gdImageSetPixel(image,ic[0],ic[1],pm->color[0]); j++;
		1314	if (tikz_file)
		1315	fprintf(tikz_file,"(%i,%i)rectangle(%i,%i)",
		1316	ic[0],flip(ic[1]),ic[0]+1,flip(ic[1]+1));
		1317	}
		1318	else {
		1319	xx=ic[0]-oc[0]; yy=ic[1]-oc[1];
		1320	dist=sqrt(xxxx+yyyy);
		1321	if(dist>0){
		1322	if(dist>plotjump \|\| dist==1) {
		1323	gdImageSetPixel(image,ic[0],ic[1],pm->color[0]);
		1324	if (tikz_file)
		1325	fprintf(tikz_file,"(%i,%i)rectangle(%i,%i)",
		1326	ic[0],flip(ic[1]),ic[0]+1,flip(ic[1]+1));
		1327	}
		1328	else {
		1329	if (dash==1)
18105	georgesk	1330	myDashedLine(image,oc[0],oc[1],ic[0],ic[1],pm->color[0]);
18019	bpr	1331	else
		1332	gdImageLine(image,oc[0],oc[1],ic[0],ic[1],pm->color[0]);
		1333	if (tikz_file)
		1334	fprintf(tikz_file, "(%i,%i)--(%i,%i)",
17932	bpr	1335	oc[0],flip(oc[1]),ic[0],flip(ic[1]));
18019	bpr	1336	}
17621	bpr	1337	}
		1338	}
18019	bpr	1339	memmove(oc,ic,sizeof(oc));
12473	bpr	1340	}
17932	bpr	1341	if (tikz_file) fprintf(tikz_file,";\n\%\%end plot\n");
12473	bpr	1342	if(vimg_enable) vimg_plotend();
10	reyssat	1343	}
		1344
6578	bpr	1345	void obj_plot(objparm *pm) { _obj_plot( pm,0) ;}
		1346	void obj_dplot(objparm *pm) { _obj_plot( pm,1) ; }
		1347
7675	bpr	1348	/* set levelcurve granularity */
10	reyssat	1349	void obj_levelstep(objparm *pm)
		1350	{
12473	bpr	1351	int dd;
		1352	dd=pm->pd[0];
		1353	if(dd<1) return;
		1354	if(dd>16) dd=16;
		1355	lstep=dd;
10	reyssat	1356	}
		1357
7675	bpr	1358	/* level curve */
10	reyssat	1359	void obj_levelcurve(objparm *pm)
		1360	{
12473	bpr	1361	char fn[MAX_LINELEN+1],tc[MAX_LINELEN+1];
		1362	int n,i;
		1363	double d;
		1364	leveldata *ld;
7615	bpr	1365
12473	bpr	1366	ld=xmalloc(sizeof(leveldata)+16);
		1367	ld->xname="x"; ld->yname="y";
		1368	ld->xsize=sizex; ld->ysize=sizey; ld->datacnt=0;
		1369	ld->xrange[0]=xstart; ld->xrange[1]=sizex/xscale+xstart;
		1370	ld->yrange[0]=sizey/yscale+ystart; ld->yrange[1]=ystart;
		1371	ld->grain=lstep;
		1372	fnd_item(pm->str,1,fn); ld->fn=fn;
		1373	n=itemnum(pm->str);
		1374	if(n<=1) {ld->levelcnt=1; ld->levels[0]=0;}
		1375	else {
		1376	if(n>LEVEL_LIM+1) n=LEVEL_LIM+1;
		1377	for(i=0;i<n-1;i++) {
		1378	fnd_item(pm->str,i+2,tc);
		1379	d=strevalue(tc);
		1380	if(isfinite(d)) ld->levels[i]=d; else ld->levels[i]=0;
10	reyssat	1381	}
12473	bpr	1382	ld->levelcnt=n-1;
		1383	}
		1384	levelcurve(ld);
17932	bpr	1385	if (tikz_file)
		1386	fprintf(tikz_file,"\%\%begin levelcurve\n\\draw\[%s]"
18065	bpr	1387	,tikz_options(pm->color[0],1));
12473	bpr	1388	for(i=0;i<ld->datacnt;i++) {
		1389	gdImageSetPixel(image,ld->xdata[i],ld->ydata[i],pm->color[0]);
17584	bpr	1390	if (tikz_file)
		1391	fprintf(tikz_file,
17933	bpr	1392	"(%i,%i)rectangle(%i,%i)",
		1393	ld->xdata[i],flip(ld->ydata[i]),ld->xdata[i]+1,flip(ld->ydata[i]+1));
12473	bpr	1394	}
17932	bpr	1395	if (tikz_file) fprintf(tikz_file,";\n\%\%end levelcurve\n");
12473	bpr	1396	free(ld);
10	reyssat	1397	}
		1398
7675	bpr	1399	/* set animation step */
10	reyssat	1400	void obj_animstep(objparm *pm)
		1401	{
12473	bpr	1402	animstep=pm->pd[0];
		1403	setvar("animstep",pm->pd[0]);
10	reyssat	1404	}
		1405
7675	bpr	1406	/* Starts a line counting */
10	reyssat	1407	void obj_linecount(objparm *pm)
		1408	{
12473	bpr	1409	linecnt=pm->pd[0];
10	reyssat	1410	}
		1411
7675	bpr	1412	/* marks end of execution */
10	reyssat	1413	void obj_end(objparm *pm)
		1414	{
12473	bpr	1415	fly_error("successful_end_of_execution");
10	reyssat	1416	}
		1417
7675	bpr	1418	/* output */
10	reyssat	1419	void obj_output(objparm *pm)
		1420	{
12473	bpr	1421	char *p, namebuf[1024];
		1422	p=find_word_start(pm->str); *find_word_end(p)=0;
		1423	snprintf(namebuf,sizeof(namebuf),"%s",imagefilename);
		1424	snprintf(imagefilename,sizeof(imagefilename),"%s",p);
		1425	output();
		1426	snprintf(imagefilename,sizeof(imagefilename),"%s",namebuf);
10	reyssat	1427	}
		1428
7675	bpr	1429	/* vimgfile */
1024	bpr	1430	void obj_vimgfile(objparm *pm)
		1431	{
12473	bpr	1432	char *p;
		1433	p=find_word_start(pm->str); *find_word_end(p)=0;
		1434	snprintf(vimgfilename,sizeof(vimgfilename),"%s",p);
		1435	if(vimg_ready) vimg_close();
1024	bpr	1436	}
		1437
7675	bpr	1438	/* vimg enable/disable */
1024	bpr	1439	void obj_vimg(objparm *pm)
		1440	{
12473	bpr	1441	vimg_enable=pm->pd[0];
		1442	if(vimg_enable>0 && vimg_ready==0) vimg_init();
1024	bpr	1443	}
		1444
7675	bpr	1445	/* Set affine transformation */
10	reyssat	1446	void obj_affine(objparm *pm)
		1447	{
12473	bpr	1448	int i;
		1449	for(i=0;i<4;i++) matrix[i]=pm->pd[i];
		1450	transx=pm->pd[4]; transy=pm->pd[5];
		1451	transform=1;
10	reyssat	1452	}
		1453
7675	bpr	1454	/* Set affine transformation */
10	reyssat	1455	void obj_rotation(objparm *pm)
		1456	{
12473	bpr	1457	double r;
		1458	r=M_PI*pm->pd[0]/180;
		1459	matrix[0]=matrix[3]=cos(r);
		1460	matrix[1]=-sin(r); matrix[2]=sin(r);
		1461	transform=1;
10	reyssat	1462	}
		1463
8419	bpr	1464	/* Set linear transformation */
10	reyssat	1465	void obj_linear(objparm *pm)
		1466	{
12473	bpr	1467	int i;
		1468	for(i=0;i<4;i++) matrix[i]=pm->pd[i];
		1469	transform=1;
10	reyssat	1470	}
		1471
8419	bpr	1472	/* Set translation transformation */
10	reyssat	1473	void obj_translation(objparm *pm)
		1474	{
12473	bpr	1475	transx=pm->pd[0]; transy=pm->pd[1];
10	reyssat	1476	}
		1477
8419	bpr	1478	/* kill affine transformation */
10	reyssat	1479	void obj_killaffine(objparm *pm)
		1480	{
12473	bpr	1481	matrix[0]=matrix[3]=1;
		1482	matrix[1]=matrix[2]=transx=transy=0;
		1483	transform=0;
10	reyssat	1484	}
		1485
8419	bpr	1486	/* kill affine transformation */
10	reyssat	1487	void obj_killlinear(objparm *pm)
		1488	{
12473	bpr	1489	matrix[0]=matrix[3]=1;
		1490	matrix[1]=matrix[2]=0;
		1491	transform=0;
10	reyssat	1492	}
		1493
8419	bpr	1494	/* kill affine transformation */
10	reyssat	1495	void obj_killtranslation(objparm *pm)
		1496	{
12473	bpr	1497	transx=transy=0;
10	reyssat	1498	}
		1499
		1500	/*** Les modifs de Jean-Christophe Leger Fev 2006 ***/
		1501
7615	bpr	1502	/* arguments: un numero de matrice entre 1 et JC_NB_MATRICES, une liste de 4 nombres reels pour la matrice */
10	reyssat	1503	void obj_setmatrix(objparm *pm)
		1504	{
		1505	int nummatrix = (int) (pm->pd[0]);
		1506	if((nummatrix < 1) \|\|(nummatrix>JC_NB_MATRICES)) {
8195	bpr	1507	fly_error("bad_matrix_number");
10	reyssat	1508	return;
		1509	}
		1510	matrices_pavage[nummatrix][0] = pm->pd[1];
		1511	matrices_pavage[nummatrix][1] = pm->pd[2];
		1512	matrices_pavage[nummatrix][2] = pm->pd[3];
		1513	matrices_pavage[nummatrix][3] = pm->pd[4];
		1514	}
		1515
7615	bpr	1516	/* arguments: un numero de matrice entre 1 et JC_NB_MATRICES */
10	reyssat	1517	void obj_resetmatrix(objparm *pm)
		1518	{
		1519	int nummatrix = (int) (pm->pd[0]);
		1520	if((nummatrix < 1) \|\|(nummatrix>JC_NB_MATRICES)) {
8195	bpr	1521	fly_error("bad_matrix_number");
10	reyssat	1522	return;
		1523	}
		1524	matrices_pavage[nummatrix][0] = 1;
		1525	matrices_pavage[nummatrix][1] = 0;
		1526	matrices_pavage[nummatrix][2] = 0;
		1527	matrices_pavage[nummatrix][3] = 1;
		1528
		1529	}
7615	bpr	1530	/* arguments: un numero de vecteur entre 1 et JC_NB_MATRICES, une liste de 2 nombres reels pour le vecteur */
10	reyssat	1531	void obj_setvector(objparm *pm)
		1532	{
		1533	int nummatrix = (int) (pm->pd[0]);
		1534	if((nummatrix < 1) \|\|(nummatrix>JC_NB_MATRICES)) {
8195	bpr	1535	fly_error("bad_vector_number");
10	reyssat	1536	return;
		1537	}
		1538	vecteurs_pavage[nummatrix][0] = pm->pd[1];
		1539	vecteurs_pavage[nummatrix][1] = pm->pd[2];
		1540	}
		1541
7615	bpr	1542	/* arguments: un numero de matrice entre 1 et JC_NB_MATRICES */
10	reyssat	1543	void obj_resetvector(objparm *pm)
		1544	{
		1545	int nummatrix = (int) (pm->pd[0]);
		1546	if((nummatrix < 1) \|\|(nummatrix>JC_NB_MATRICES)) {
8195	bpr	1547	fly_error("bad_vector_number");
10	reyssat	1548	return;
		1549	}
		1550	vecteurs_pavage[nummatrix][0] = 0;
		1551	vecteurs_pavage[nummatrix][1] = 0;
		1552	}
		1553
7615	bpr	1554	/* 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	1555	void obj_settransform(objparm *pm)
		1556	{
		1557	int nummatrix = (int) (pm->pd[0]);
		1558	if((nummatrix < 1) \|\|(nummatrix>JC_NB_MATRICES)) {
8195	bpr	1559	fly_error("bad_vector_number");
10	reyssat	1560	return;
		1561	}
		1562	matrices_pavage[nummatrix][0] = pm->pd[1];
		1563	matrices_pavage[nummatrix][1] = pm->pd[2];
		1564	matrices_pavage[nummatrix][2] = pm->pd[3];
		1565	matrices_pavage[nummatrix][3] = pm->pd[4];
		1566	vecteurs_pavage[nummatrix][0] = pm->pd[5];
		1567	vecteurs_pavage[nummatrix][1] = pm->pd[6];
		1568	}
		1569
		1570
7615	bpr	1571	/* arguments: un numero de matrice entre 1 et JC_NB_MATRICES */
10	reyssat	1572	void obj_resettransform(objparm *pm)
		1573	{
		1574	int nummatrix = (int) (pm->pd[0]);
		1575	if((nummatrix < 1) \|\|(nummatrix>JC_NB_MATRICES)) {
8195	bpr	1576	fly_error("bad_vector_number");
10	reyssat	1577	return;
		1578	}
		1579	vecteurs_pavage[nummatrix][0] = 0;
		1580	vecteurs_pavage[nummatrix][1] = 0;
		1581	matrices_pavage[nummatrix][0] = 1;
		1582	matrices_pavage[nummatrix][1] = 0;
		1583	matrices_pavage[nummatrix][2] = 0;
		1584	matrices_pavage[nummatrix][3] = 1;
		1585	}
		1586
7615	bpr	1587	/* arguments: une liste de 6 nombres reels pour les coordonnees de l'origine et des vecteurs de base */
10	reyssat	1588	void obj_setparallelogram(objparm *pm)
		1589	{
		1590	int i;
		1591	for(i=0;i<6;i++) parallogram_fonda[i]=pm->pd[i];
		1592	}
		1593
		1594	/* arguments :aucun */
		1595	void obj_resetparallelogram(objparm *pm)
		1596	{
		1597	parallogram_fonda[0]=0;
		1598	parallogram_fonda[1]=0;
		1599	parallogram_fonda[2]=100;
		1600	parallogram_fonda[3]=0;
		1601	parallogram_fonda[4]=0;
		1602	parallogram_fonda[5]=100;
		1603	}
		1604
		1605	/* argument : la liste des numeros des matrices a faire agir, le nom du fichier de l'image a inclure */
		1606	void obj_multicopy(objparm *pm)
		1607	{
12473	bpr	1608	char pp,pe,*cptr;
		1609	FILE *inf;
		1610	gdImagePtr insimg;
		1611	int i,j;
		1612	int imax,jmax;
		1613	int c; /* la couleur reperee */
		1614	int mat;
		1615	int nummatrices[JC_NB_MATRICES];
		1616	double pt[2]; /* les coordonnees math. du point repere dans le parallelogramme */
		1617	double ptr[2]; /* les coordonnees math. du point transforme */
		1618	int pti[2]; /* les coordonnees img du point a placer sur le canevas */
		1619	int t;
		1620	/* gestion palette de couleur de l'image a inserer */
		1621	int colorMap[gdMaxColors];
		1622	int comptmat=0; /* combien de matrices en tout ? */
7615	bpr	1623
12473	bpr	1624	for (i=0; (i<gdMaxColors); i++) {
		1625	colorMap[i] = (-1);
		1626	}
10	reyssat	1627
12473	bpr	1628	/* Gestion des parametres la liste est censee finir avec le nom du fichier */
		1629	t=pm->pcnt-1; /* il faut enlever le nom de fichier ! c'est le nombre de parametres en plus */
		1630	pp=find_word_start(pm->str);
		1631	/* visiblement find_word_start n'arrive pas a trouver le dernier mot dans un contexte ou le nombre de parameters est variable
10	reyssat	1632	* on cherche donc l'emplacement de la derniere virgule:
		1633	* il y en a une car t>0, on retrouve ensuite le debut de mot
		1634	*/
12473	bpr	1635	for(pe=pp;pe!=0;pe++);/ trouve la fin de la chaine */
		1636	if(t>0){
		1637	for(cptr = pe; cptr > pp && *cptr != ','; cptr--);
		1638	pp=find_word_start(cptr+1);
		1639	}
		1640	pe=find_word_end(pp);pe=0; / strip junk final */
		1641	// printf("pp contient %s\n",pp);
10	reyssat	1642
		1643
12473	bpr	1644	inf=open4read(pp);
		1645	if(inf==NULL) {
		1646	fly_error("file_not_exist"); return;
		1647	}
		1648	insimg=gdImageCreateFromGif(inf); fclose(inf);
		1649	if(insimg==NULL) {
		1650	fly_error("bad_gif"); return;
		1651	}
10	reyssat	1652
12473	bpr	1653	/* On recupere les numeros des matrices/vecteurs a faire agir,
		1654	* s'il n'y en a pas, on les fait toutes agir
		1655	*/
		1656	for(i=0;i<t && i< JC_NB_MATRICES;i++) {
		1657	if(pm->pd[i]>=1 && pm->pd[i]<=JC_NB_MATRICES){
		1658	nummatrices[comptmat] = pm->pd[i];
		1659	comptmat++;
10	reyssat	1660	}
12473	bpr	1661	}
		1662	if(t<=0){
		1663	for(i=0;i<JC_NB_MATRICES;i++) {
		1664	nummatrices[i] = i+1;
10	reyssat	1665	}
12473	bpr	1666	comptmat=JC_NB_MATRICES;
		1667	}
10	reyssat	1668
7615	bpr	1669
12473	bpr	1670	imax = gdImageSX(insimg);
		1671	jmax = gdImageSY(insimg);
10	reyssat	1672
12473	bpr	1673	for(i=0;i<imax;i++){
		1674	for(j=0;j<jmax;j++){
		1675	int nc;
		1676	c=gdImageGetPixel(insimg,i,j);
		1677	/* Le code suivant est une copie du code dans gdImageCopy Added 7/24/95: support transparent copies */
		1678	if (gdImageGetTransparent(insimg) != c) {
		1679	/* Have we established a mapping for this color? */
		1680	if (colorMap[c] == (-1)) {
		1681	/* If it's the same image, mapping is trivial, dans notre cas ca n'arrive jamais... */
		1682	if (image == insimg) {
		1683	nc = c;
		1684	} else {
		1685	/* First look for an exact match */
		1686	nc = gdImageColorExact(image,
		1687	insimg->red[c], insimg->green[c],
		1688	insimg->blue[c]);
		1689	}
		1690	if (nc == (-1)) {
		1691	/* No, so try to allocate it */
		1692	nc = gdImageColorAllocate(image,
		1693	insimg->red[c], insimg->green[c],
7675	bpr	1694	insimg->blue[c]);
12473	bpr	1695	/* If we're out of colors, go for the closest color */
		1696	if (nc == (-1)) {
		1697	nc = gdImageColorClosest(image,
7675	bpr	1698	insimg->red[c], insimg->green[c],
		1699	insimg->blue[c]);
12473	bpr	1700	}
		1701	}
		1702	colorMap[c] = nc;
		1703	}
10	reyssat	1704
12473	bpr	1705	pt[0]= i(parallogram_fonda[2])/(imax-1)+(jmax-j)(parallogram_fonda[4])/(jmax-1)+parallogram_fonda[0];
		1706	pt[1]= i(parallogram_fonda[3])/(imax-1)+(jmax-j)(parallogram_fonda[5])/(jmax-1)+parallogram_fonda[1];
		1707	for(mat=0;mat<comptmat;mat++){
7675	bpr	1708	double *matricecourante = matrices_pavage[nummatrices[mat]];
		1709	double *vecteurcourant = vecteurs_pavage[nummatrices[mat]];
		1710	ptr[0] = matricecourante[0]pt[0]+matricecourante[1]pt[1]+vecteurcourant[0];
		1711	ptr[1] = matricecourante[2]pt[0]+matricecourante[3]pt[1]+vecteurcourant[1];
		1712	scale(ptr,pti,1);
		1713	gdImageSetPixel(image,pti[0],pti[1],colorMap[c]);
12473	bpr	1714	}
10	reyssat	1715	}
		1716	}
12473	bpr	1717	}
		1718	gdImageDestroy(insimg);
10	reyssat	1719	}
		1720
		1721	/** Fin modifs JC Fev 06 ****/
		1722
7675	bpr	1723	/* get color from value */
10	reyssat	1724	int calc_color(char p, struct objtab o)
		1725	{
12473	bpr	1726	int k, cc[3];
		1727	char buf[MAX_LINELEN+1];
		1728	for(k=0;k<3;k++) {
		1729	fnd_item(p,k+1,buf);
		1730	cc[k]=strevalue(buf);
		1731	}
		1732	collapse_item(p,3);
		1733	if(cc[0]==-1 && cc[1]==-1 && cc[2]==-255) {
10	reyssat	1734
12473	bpr	1735	if(brushed && o->subst&1) return gdBrushed;
		1736	else return color_black;
		1737	}
		1738	if(cc[0]==-1 && cc[1]==-255 && cc[2]==-1) {
		1739	if(styled && o->subst&2) return gdStyled;
		1740	else return color_black;
		1741	}
		1742	if(cc[0]==-255 && cc[1]==-1 && cc[2]==-1) {
		1743	if(tiled && o->fill_tag==1) return gdTiled;
		1744	else return color_black;
		1745	}
		1746	return getcolor(cc[0],cc[1],cc[2]);
10	reyssat	1747	}
		1748
7675	bpr	1749	/* Routine to parse parameters */
10	reyssat	1750	int parse_parms(char p,objparm pm,struct objtab *o)
		1751	{
12473	bpr	1752	char buf[MAX_LINELEN+1];
		1753	char p1, p2;
		1754	int j,t,c,c1,c2;
7615	bpr	1755
12473	bpr	1756	c=o->color_pos;c1=c2=0;
		1757	pm->color[0]=pm->color[1]=0;
		1758	if(c>0) c1=c;
		1759	if(c<0) c2=-c;
		1760	c=c1+c2;
		1761	t=itemnum(p);if(t<o->required_parms+3*c) return -1;
		1762	if(c1>0 && t>o->required_parms+3c) t=o->required_parms+3c;
		1763	pm->pcnt=t-3*c;
		1764	if(pm->pcnt>MAX_PARMS) pm->pcnt=MAX_PARMS;
		1765	if(c2>0) {
		1766	for(j=0;j<2 && j<c2; j++) pm->color[j]=calc_color(p,o);
		1767	}
		1768	snprintf(buf,sizeof(buf),"%s",p);
		1769	for(j=0, p1=buf; j<pm->pcnt; j++, p1=p2) {
		1770	p2=find_item_end(p1); if(p2) p2++=0;
		1771	p1=find_word_start(p1);
		1772	if(*p1) pm->pd[j]=strevalue(p1); else pm->pd[j]=0;
		1773	if(!isfinite(pm->pd[j])) {
		1774	if(j<o->required_parms) return -1;
		1775	else {pm->pd[j]=0;break;}
10	reyssat	1776	}
12473	bpr	1777	}
		1778	collapse_item(p,o->required_parms);
		1779	if(c1>0) {
		1780	for(j=0;j<c1 && j<2; j++) pm->color[j]=calc_color(p,o);
		1781	}
		1782	if(width>1 && o->subst&1 && pm->color[0]!=gdBrushed
		1783	&& pm->color[0]!=gdStyled && pm->color[0]!=gdTiled) {
		1784	pm->color[1]=pm->color[0];
		1785	pm->color[0]=widthcolor(width,pm->color[0]);
		1786	}
		1787	pm->fill=o->fill_tag;
18131	bpr	1788	if(o->required_parms!=0){
		1789	if(dashed) {
		1790	if(pm->fill==1) pm->fill=2;
		1791	if(pm->fill==0) pm->fill=-1;
		1792	dashed=0;
		1793	}
		1794	if(filled) {
		1795	if(pm->fill==-1) pm->fill=2;
		1796	if(pm->fill==0) pm->fill=1;
		1797	filled=0;
		1798	}
		1799	}
12473	bpr	1800	ovlstrcpy(pm->str,p); return 0;
10	reyssat	1801	}
		1802
8068	bpr	1803	/* Create the struct objparm pm corresponding to the objparm p
		1804	* Execute a command. Returns 0 if OK.
		1805	*/
10	reyssat	1806	int obj_main(char *p)
		1807	{
12473	bpr	1808	int i;
		1809	char pp,name,*pt;
		1810	char tbuf2[MAX_LINELEN+1];
		1811	struct objparm pm;
10	reyssat	1812
12473	bpr	1813	p=find_word_start(p);
		1814	if(p==exec_prefix_char \|\| p==0) return 0; /* comment */
		1815	name=p;
		1816	pp=find_name_end(p);
		1817	pt=find_word_start(pp); if(pt=='=') pt=' ';
		1818	if(pt==':' && (pt+1)=='=') pt=(pt+1)=' ';
		1819	pp=find_word_end(p);
		1820	if(*pp!=0) {
		1821	*(pp++)=0; pp=find_word_start(pp);
		1822	}
		1823	if(strlen(p)==1 \|\| (strlen(p)==2 && isdigit(*(p+1)))) {
		1824	setvar(p,strevalue(pp)); return 0;
		1825	}
		1826	/* search the number of the object */
		1827	i=search_list(objtab,obj_no,sizeof(objtab[0]),name);
		1828	if(i<0) {
		1829	fly_error("bad_cmd"); return 1;
		1830	}
		1831	if(image==NULL && (objtab[i].color_pos \|\| objtab[i].required_parms>2)) {
		1832	fly_error("image_not_defined"); return 1;
		1833	}
		1834	ovlstrcpy(tbuf2,pp);
		1835	if(objtab[i].color_pos \|\| objtab[i].routine==obj_setstyle) {
		1836	substit(tbuf2);
		1837	}
		1838	if(parse_parms(tbuf2,&pm,objtab+i)!=0) fly_error("bad_parms");
		1839	else objtab[i].routine(&pm);
		1840	return 0;
10	reyssat	1841	}

Subversion Repositories wimsdev

(root)/trunk/wims/src/Flydraw/objects.c – Rev 18132