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10 | reyssat | 1 | /* Copyright (C) 1998-2003 XIAO, Gang of Universite de Nice - Sophia Antipolis |
2 | * |
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3 | * This program is free software; you can redistribute it and/or modify |
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4 | * it under the terms of the GNU General Public License as published by |
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5 | * the Free Software Foundation; either version 2 of the License, or |
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6 | * (at your option) any later version. |
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7 | * |
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8 | * This program is distributed in the hope that it will be useful, |
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9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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11 | * GNU General Public License for more details. |
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12 | * |
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13 | * You should have received a copy of the GNU General Public License |
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14 | * along with this program; if not, write to the Free Software |
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15 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
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16 | */ |
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8177 | bpr | 17 | |
18 | #include <errno.h> |
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8102 | bpr | 19 | #include "flydraw.h" |
8177 | bpr | 20 | |
17574 | bpr | 21 | /* Tikz things */ |
22 | /* the_tiled,gdTiled , int the_tiled*/ |
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23 | static char *tikz_options (int the_color, int the_fill) |
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24 | { |
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25 | static char buf[100]; |
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26 | if (the_color == gdBrushed) |
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27 | the_color = tikz_brushColor; |
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28 | int r=gdImageRed(image,the_color); |
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29 | int g=gdImageGreen(image,the_color); |
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30 | int b=gdImageBlue(image,the_color); |
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31 | sprintf(buf, "draw={rgb,255:red,%i;green,%i;blue,%i},cap=round",r,g,b); |
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32 | if (the_color != tikz_brushColor) strcat(buf, ",thin"); |
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33 | if (the_fill == -1) strcat(buf, ",dashed"); |
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34 | if (the_fill == 1) |
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35 | sprintf(buf+strlen(buf), ",fill={rgb,255:red,%i;green,%i;blue,%i}",r,g,b); |
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36 | return buf; |
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37 | } |
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38 | |||
39 | #define flip(y) (sizey-(y)) |
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40 | |||
8010 | bpr | 41 | /* bug in gdImageFillToBorder */ |
10 | reyssat | 42 | |
8162 | bpr | 43 | void patchgdImageFillToBorder (gdImagePtr im, int x, int y, int border, int color) |
8076 | bpr | 44 | { |
12473 | bpr | 45 | if(x>=im->sx || x<0 || y>=im->sy || y<0) return; |
46 | gdImageFillToBorder(im,x,y,border,color); |
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8076 | bpr | 47 | } |
48 | |||
8162 | bpr | 49 | void patchgdImageFill (gdImagePtr im, int x, int y, int color) |
8156 | bpr | 50 | { |
12473 | bpr | 51 | if(x>=im->sx || x<0 || y>=im->sy || y<0) return; |
52 | gdImageFill(im,x,y,color); |
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8156 | bpr | 53 | } |
8076 | bpr | 54 | |
8156 | bpr | 55 | |
9651 | georgesk | 56 | #define DASHPIXELS 8 |
57 | |||
58 | void myDashedLine(gdImagePtr im, int x1, int y1, int x2, int y2, int color){ |
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59 | /** |
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60 | * emulates gdImageDashedLine with gdImageSetStyle and gdImageLine |
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61 | * GK: As gdImageDashedLine is slightly broken in latest libgd libraries, |
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62 | * GK: I implemented an emulation named "myDashedLine" |
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63 | **/ |
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64 | |||
65 | int styleDashed[DASHPIXELS],i; |
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66 | for (i=0; i< DASHPIXELS/2; i++) styleDashed[i]=color; |
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67 | for (; i< DASHPIXELS; i++) styleDashed[i]=gdTransparent; |
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68 | gdImageSetStyle(im, styleDashed, DASHPIXELS); |
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69 | gdImageLine(im, x1, y1, x2, y2, gdStyled); |
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70 | } |
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71 | |||
72 | |||
7675 | bpr | 73 | /* File opening: with security */ |
10 | reyssat | 74 | FILE *open4read(char *n) |
75 | { |
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12473 | bpr | 76 | char *p, *p1, *p2, namebuf[2048]; |
77 | int t; |
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78 | FILE *f; |
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79 | n=find_word_start(n); |
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80 | if(*n==0) return NULL; |
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81 | p=getenv("flydraw_filebase"); |
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82 | p1=n+strlen(n)-4;if(p1<n || strcasecmp(p1,".gif")!=0) t=1; else t=0; |
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83 | if(p!=NULL && *p!=0) { |
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84 | char pbuf[MAX_LINELEN+1]; |
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85 | snprintf(pbuf,sizeof(pbuf),"%s",p); |
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86 | p=find_word_start(pbuf); if(strstr(p,"..")!=NULL) return NULL; |
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87 | if(*n=='/' || strstr(n,"..")!=NULL) return NULL; |
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88 | /* prohibit unusual file/dir names */ |
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89 | for(p1=p;*p1;p1++) |
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90 | if(!isalnum(*p1) && !isspace(*p1) && strchr("~_-/.",*p1)==NULL) |
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91 | return NULL; |
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92 | for(p1=n;*p1;p1++) |
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93 | if(!isalnum(*p1) && !isspace(*p1) && strchr("~_-/.",*p1)==NULL) |
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94 | return NULL; |
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95 | f=NULL; |
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96 | for(p1=p; *p1; p1=find_word_start(p2)) { |
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97 | p2=find_word_end(p1); |
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98 | if(*p2) *p2++=0; |
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99 | snprintf(namebuf,sizeof(namebuf),"%s/%s",p1,n); |
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100 | f=fopen(namebuf,"r"); if(f!=NULL) goto imgtype; |
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10 | reyssat | 101 | } |
12473 | bpr | 102 | p1=getenv("w_wims_session"); |
103 | if(p1!=NULL && strncmp(n,"insert",6)==0) { |
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104 | snprintf(namebuf,sizeof(namebuf),"../s2/%s/%s",p1,n); |
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7675 | bpr | 105 | f=fopen(namebuf,"r"); |
10 | reyssat | 106 | } |
12473 | bpr | 107 | } |
108 | else { |
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109 | snprintf(namebuf,sizeof(namebuf),"%s",n); |
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110 | f=fopen(namebuf,"r"); |
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111 | } |
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112 | imgtype: |
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113 | if(t && f!=NULL) { |
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114 | char tbuf[1024],sbuf[4096]; |
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115 | fclose(f); f=NULL; |
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116 | p1=getenv("TMPDIR"); if(p1==NULL || *p1==0) p1="."; |
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117 | snprintf(tbuf,sizeof(tbuf),"%s/drawfile_.gif",p1); |
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118 | snprintf(sbuf,sizeof(sbuf),"convert %s %s",namebuf,tbuf); |
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119 | if (system(sbuf)) fly_error("system_failed"); |
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120 | f=fopen(tbuf,"r"); |
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121 | } |
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122 | return f; |
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10 | reyssat | 123 | } |
124 | |||
7675 | bpr | 125 | /* Does nothing; just a comment. */ |
10 | reyssat | 126 | void obj_comment(objparm *pm) |
127 | { |
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12473 | bpr | 128 | return; |
10 | reyssat | 129 | } |
130 | |||
7675 | bpr | 131 | /* define image size */ |
10 | reyssat | 132 | void obj_size(objparm *pm) |
133 | { |
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12473 | bpr | 134 | sizex=rint(pm->pd[0]); sizey=rint(pm->pd[1]); |
135 | if(sizex<0 || sizey<0 || sizex>MAX_SIZE || sizey>MAX_SIZE) { |
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136 | fly_error("bad_size"); return; |
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137 | } |
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138 | if(image!=NULL) { |
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139 | fly_error("size_already_defined"); return; |
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140 | } |
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141 | image=gdImageCreate(sizex,sizey); |
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17574 | bpr | 142 | if(tikz_file) fprintf(tikz_file,"\\clip (0,0) rectangle (%i, %i);\n", sizex, sizey); |
12473 | bpr | 143 | if(image==NULL) fly_error("image_creation_failure"); |
144 | else { |
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145 | color_white=gdImageColorAllocate(image,255,255,255); |
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146 | color_black=gdImageColorAllocate(image,0,0,0); |
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147 | color_bounder=gdImageColorAllocate(image,1,2,3); |
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148 | color_frame=gdImageColorAllocate(image,254,254,254); |
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149 | } |
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10 | reyssat | 150 | } |
151 | |||
7675 | bpr | 152 | /* new image */ |
10 | reyssat | 153 | void obj_new(objparm *pm) |
154 | { |
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12473 | bpr | 155 | if(image) { |
156 | gdImageDestroy(image);image=NULL; |
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157 | } |
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158 | if(pm->pcnt>=2) { obj_size(pm); gdImageRectangle(image,0,0,sizex-1,sizey-1,color_frame);} |
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159 | else sizex=sizey=0; |
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160 | saved=0; |
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10 | reyssat | 161 | } |
162 | |||
7675 | bpr | 163 | /* new image */ |
10 | reyssat | 164 | void obj_existing(objparm *pm) |
165 | { |
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12473 | bpr | 166 | FILE *inf; |
167 | char *pp; |
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7615 | bpr | 168 | |
12473 | bpr | 169 | if(image) { |
170 | gdImageDestroy(image);image=NULL; |
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171 | } |
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172 | pp=find_word_start(pm->str);*find_word_end(pp)=0; |
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173 | inf=open4read(pp); |
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174 | if(inf==NULL) { |
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175 | fly_error("file_not_exist"); return; |
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176 | } |
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177 | image=gdImageCreateFromGif(inf); fclose(inf); |
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178 | if(image==NULL) { |
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179 | fly_error("bad_gif"); return; |
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180 | } |
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181 | sizex=image->sx; sizey=image->sy; |
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182 | saved=0; |
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10 | reyssat | 183 | } |
184 | |||
7675 | bpr | 185 | /* solid line */ |
10 | reyssat | 186 | void obj_line(objparm *pm) |
187 | { |
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12473 | bpr | 188 | scale(pm->pd,pm->p,2); |
189 | gdImageLine(image,pm->p[0],pm->p[1],pm->p[2],pm->p[3],pm->color[0]); |
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17574 | bpr | 190 | if (tikz_file) |
191 | fprintf(tikz_file, "\\draw\[%s] (%i, %i) -- (%i, %i);\n", |
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192 | tikz_options(pm->color[0],pm->fill),pm->p[0],flip(pm->p[1]),pm->p[2],flip(pm->p[3])); |
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12473 | bpr | 193 | if(vimg_enable) vimg_line(scale_buf[0],scale_buf[1],scale_buf[2],scale_buf[3]); |
10 | reyssat | 194 | } |
195 | |||
1024 | bpr | 196 | void _obj_arrow(objparm *pm, int twoside) |
10 | reyssat | 197 | { |
12473 | bpr | 198 | int l,xx,yy; |
199 | gdPoint ii[3]; |
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200 | double dx,dy,length,dd[6]; |
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201 | scale(pm->pd,pm->p,2); |
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202 | xx=ii[0].x=pm->p[2];yy=ii[0].y=pm->p[3]; |
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203 | l=pm->pd[4];if(l<0) l=0; if(l>200) l=200; |
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204 | scale2(pm->pd[0]-pm->pd[2],pm->pd[1]-pm->pd[3],&dx,&dy); |
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205 | length=sqrt(dx*dx+dy*dy); |
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206 | if(length<3 || l<5) goto stem; |
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207 | dd[0]=l*dx/length; dd[1]=l*dy/length; |
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208 | #define fat 0.27 |
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209 | dd[2]=dd[0]+dd[1]*fat; dd[3]=dd[1]-dd[0]*fat; |
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210 | dd[4]=dd[0]-dd[1]*fat; dd[5]=dd[1]+dd[0]*fat; |
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211 | ii[1].x=rint(dd[2])+ii[0].x; ii[1].y=rint(dd[3])+ii[0].y; |
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212 | ii[2].x=rint(dd[4])+ii[0].x; ii[2].y=rint(dd[5])+ii[0].y; |
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213 | gdImageFilledPolygon(image, ii,3,pm->color[0]); |
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214 | xx=rint(dd[0])+ii[0].x;yy=rint(dd[1])+ii[0].y; |
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215 | if(twoside) { |
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216 | ii[0].x=pm->p[0]; ii[0].y=pm->p[1]; |
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217 | ii[1].x=-rint(dd[2])+ii[0].x; ii[1].y=-rint(dd[3])+ii[0].y; |
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218 | ii[2].x=-rint(dd[4])+ii[0].x; ii[2].y=-rint(dd[5])+ii[0].y; |
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8163 | bpr | 219 | gdImageFilledPolygon(image, ii,3,pm->color[0]); |
12473 | bpr | 220 | } |
221 | stem: if(pm->fill) |
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222 | myDashedLine(image,pm->p[0],pm->p[1],xx,yy,pm->color[0]); |
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223 | else |
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224 | gdImageLine(image,pm->p[0],pm->p[1],xx,yy,pm->color[0]); |
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17574 | bpr | 225 | if(tikz_file) { |
226 | if (twoside) fprintf(tikz_file,"\\draw\[%s,<->] (%i,%i) -- (%i,%i);\n", |
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227 | tikz_options(pm->color[0],pm->fill),pm->p[0],flip(pm->p[1]),pm->p[2],flip(pm->p[3])); |
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228 | else fprintf(tikz_file,"\\draw\[%s,->] (%i,%i) -- (%i,%i);\n", |
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229 | tikz_options(pm->color[0],pm->fill),pm->p[0],flip(pm->p[1]),pm->p[2],flip(pm->p[3]));} |
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230 | /*FIXME ne tient pas compte de la largeur de la fleche */ |
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12473 | bpr | 231 | if(vimg_enable) vimg_line(scale_buf[0],scale_buf[1],scale_buf[2],scale_buf[3]); |
10 | reyssat | 232 | } |
233 | |||
7675 | bpr | 234 | /* Arrow */ |
1024 | bpr | 235 | void obj_arrow(objparm *pm) |
236 | { |
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12473 | bpr | 237 | _obj_arrow(pm,0); |
1024 | bpr | 238 | } |
239 | |||
7675 | bpr | 240 | /* 2-sided arrow */ |
1024 | bpr | 241 | void obj_arrow2(objparm *pm) |
242 | { |
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12473 | bpr | 243 | _obj_arrow(pm,1); |
1024 | bpr | 244 | } |
245 | |||
7675 | bpr | 246 | /* horizontal line */ |
10 | reyssat | 247 | void obj_hline(objparm *pm) |
248 | { |
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12473 | bpr | 249 | scale(pm->pd,pm->p,1); |
250 | if(pm->fill) |
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251 | myDashedLine(image,0,pm->p[1],sizex,pm->p[1],pm->color[0]); |
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252 | else |
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253 | gdImageLine(image,0,pm->p[1],sizex,pm->p[1],pm->color[0]); |
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17574 | bpr | 254 | if (tikz_file) |
255 | fprintf(tikz_file, "\\draw\[%s] (%i, %i) -- (%i, %i);\n", |
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256 | tikz_options(pm->color[0],pm->fill),0,flip(pm->p[1]),sizex,flip(pm->p[1])); |
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10 | reyssat | 257 | } |
258 | |||
17574 | bpr | 259 | /* tikzfile */ |
260 | void obj_tikzfile(objparm *pm) |
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261 | { |
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262 | char *p; |
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263 | if(tikz_file){ |
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264 | fprintf(tikz_file,"\\end{tikzpicture}\n\\end{document}\n"); |
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265 | fclose(tikz_file); |
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266 | } |
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267 | p=find_word_start(pm->str); *find_word_end(p)=0; |
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268 | snprintf(tikzfilename,sizeof(tikzfilename),"%s",p); |
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269 | tikz_file=fopen(tikzfilename,"w"); |
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270 | if(!tikz_file) |
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271 | fly_error("tikz_nopen"); |
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272 | fprintf(tikz_file,"\\documentclass\[11pt]{article}\n\\usepackage{tikz}\n\\begin{document}\n\\begin{tikzpicture}\[scale=0.0254]\n"); |
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273 | } |
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274 | |||
7675 | bpr | 275 | /* vertical line */ |
10 | reyssat | 276 | void obj_vline(objparm *pm) |
277 | { |
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12473 | bpr | 278 | scale(pm->pd,pm->p,1); |
279 | if(pm->fill) |
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280 | myDashedLine(image,pm->p[0],0,pm->p[0],sizey,pm->color[0]); |
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281 | else |
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282 | gdImageLine(image,pm->p[0],0,pm->p[0],sizey,pm->color[0]); |
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17574 | bpr | 283 | if (tikz_file) |
284 | fprintf(tikz_file, "\\draw\[%s] (%i, %i) -- (%i, %i);\n", |
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285 | tikz_options(pm->color[0],pm->fill),pm->p[0],0,pm->p[0],sizey); |
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10 | reyssat | 286 | } |
287 | |||
7675 | bpr | 288 | /* dashed line */ |
10 | reyssat | 289 | void obj_dline(objparm *pm) |
290 | { |
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12473 | bpr | 291 | scale(pm->pd,pm->p,2); |
292 | myDashedLine(image,pm->p[0],pm->p[1],pm->p[2],pm->p[3], pm->color[0]); |
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17574 | bpr | 293 | if (tikz_file) |
294 | fprintf(tikz_file, "\\draw\[%s] (%i, %i) -- (%i, %i);\n", |
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295 | tikz_options(pm->color[0],-1), |
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296 | pm->p[0],flip(pm->p[1]),pm->p[2],flip(pm->p[3])); |
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10 | reyssat | 297 | } |
298 | |||
7675 | bpr | 299 | /* parallel lines. |
300 | * x1,y1,x2,y2,xv,yv,n,color */ |
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10 | reyssat | 301 | void obj_parallel(objparm *pm) |
302 | { |
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12473 | bpr | 303 | int i, n, xi,yi; |
304 | double xv,yv; |
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305 | n=pm->pd[6]; if(n<0) return; if(n>256) n=256; |
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306 | scale(pm->pd,pm->p,3); |
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307 | scale2(pm->pd[4],pm->pd[5],&xv,&yv); |
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308 | for(i=0;i<n;i++) { |
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309 | xi=rint(i*xv); yi=rint(i*yv); |
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310 | gdImageLine(image,pm->p[0]+xi,pm->p[1]+yi,pm->p[2]+xi,pm->p[3]+yi, |
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311 | pm->color[0]); |
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17574 | bpr | 312 | if (tikz_file) |
313 | fprintf(tikz_file, "\\draw\[%s] (%i, %i) -- (%i, %i);\n", |
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314 | tikz_options(pm->color[0],pm->fill), |
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315 | pm->p[0]+xi,flip(pm->p[1]+yi),pm->p[2]+xi,flip(pm->p[3]+yi)); |
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12473 | bpr | 316 | if(vimg_enable) vimg_line(scale_buf[0]+i*(scale_buf[4]-transx), |
317 | scale_buf[1]+i*(scale_buf[5]-transy), |
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318 | scale_buf[2]+i*(scale_buf[4]-transx), |
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319 | scale_buf[3]+i*(scale_buf[5]-transy)); |
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320 | } |
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10 | reyssat | 321 | } |
322 | |||
7675 | bpr | 323 | /* rectangle */ |
10 | reyssat | 324 | void obj_rect(objparm *pm) |
325 | { |
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12473 | bpr | 326 | int x1,y1,x2,y2; |
327 | scale(pm->pd,pm->p,2); |
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328 | x1=min(pm->p[0],pm->p[2]); x2=max(pm->p[0],pm->p[2]); |
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329 | y1=min(pm->p[1],pm->p[3]); y2=max(pm->p[1],pm->p[3]); |
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330 | if(pm->fill) |
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331 | gdImageFilledRectangle(image,x1,y1,x2,y2,pm->color[0]); |
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332 | else |
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333 | gdImageRectangle(image,x1,y1,x2,y2,pm->color[0]); |
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17574 | bpr | 334 | if(tikz_file){ |
335 | fprintf(tikz_file, |
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336 | "\\draw\[%s] (%i,%i) rectangle (%i,%i);\n", |
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337 | tikz_options(pm->color[0],pm->fill),x1,flip(y1),x2,flip(y2)); |
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338 | } |
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12473 | bpr | 339 | if(vimg_enable) vimg_rect(scale_buf[0],scale_buf[1],scale_buf[2],scale_buf[3]); |
10 | reyssat | 340 | } |
341 | |||
7675 | bpr | 342 | /* square */ |
10 | reyssat | 343 | void obj_square(objparm *pm) |
344 | { |
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12473 | bpr | 345 | int w,h; |
346 | scale(pm->pd,pm->p,1); |
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347 | w=rint(pm->pd[2]); h=rint(pm->pd[2]); |
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348 | if(pm->fill) |
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349 | gdImageFilledRectangle(image,pm->p[0],pm->p[1], |
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350 | pm->p[0]+w,pm->p[1]+h,pm->color[0]); |
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351 | else |
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352 | gdImageRectangle(image,pm->p[0],pm->p[1], |
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353 | pm->p[0]+w,pm->p[1]+h,pm->color[0]); |
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17574 | bpr | 354 | if(tikz_file){ |
355 | fprintf(tikz_file, |
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356 | "\\draw\[%s] (%i,%i) rectangle (%i,%i);\n", |
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357 | tikz_options(pm->color[0],pm->fill),pm->p[0],flip(pm->p[1]), |
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358 | pm->p[0]+w,flip(pm->p[1]+h)); |
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359 | } |
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12473 | bpr | 360 | if(vimg_enable) vimg_rect(scale_buf[0],scale_buf[1], |
361 | scale_buf[0]+pm->pd[2],scale_buf[1]+pm->pd[2]); |
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10 | reyssat | 362 | } |
363 | |||
7675 | bpr | 364 | /* triangle */ |
10 | reyssat | 365 | void obj_triangle(objparm *pm) |
366 | { |
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12473 | bpr | 367 | scale(pm->pd,pm->p,3); |
368 | if(pm->fill) |
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369 | gdImageFilledPolygon(image,(gdPointPtr) pm->p,3,pm->color[0]); |
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370 | else |
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371 | gdImagePolygon(image,(gdPointPtr) pm->p,3,pm->color[0]); |
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17574 | bpr | 372 | if (tikz_file) |
373 | fprintf(tikz_file, "\\draw\[%s] (%i, %i) -- (%i, %i) -- (%i, %i) -- cycle;\n", |
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374 | 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])); |
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12473 | bpr | 375 | if(vimg_enable) vimg_polyline(scale_buf,3,1); |
10 | reyssat | 376 | } |
377 | |||
7675 | bpr | 378 | /* polygon */ |
10 | reyssat | 379 | void obj_poly(objparm *pm) |
380 | { |
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17574 | bpr | 381 | int cnt,i; |
12473 | bpr | 382 | cnt=(pm->pcnt)/2; |
383 | scale(pm->pd,pm->p,cnt); |
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384 | if(pm->fill) |
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385 | gdImageFilledPolygon(image,(gdPointPtr) pm->p,cnt,pm->color[0]); |
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386 | else |
||
387 | gdImagePolygon(image,(gdPointPtr) pm->p,cnt,pm->color[0]); |
||
17574 | bpr | 388 | if(tikz_file) |
389 | for (i= 0; i<cnt; i++) |
||
390 | fprintf(tikz_file,"\\draw\[%s] (%i,%i)--(%i,%i);\n", |
||
391 | tikz_options(pm->color[0],pm->fill), |
||
392 | pm->p[2*i],flip(pm->p[2*i+1]), |
||
393 | pm->p[2*((i+1)%cnt)],flip(pm->p[2*((i+1)%cnt)+1])); |
||
12473 | bpr | 394 | if(vimg_enable) vimg_polyline(scale_buf,cnt,1); |
10 | reyssat | 395 | } |
396 | |||
7675 | bpr | 397 | /* rays */ |
10 | reyssat | 398 | void obj_rays(objparm *pm) |
399 | { |
||
12473 | bpr | 400 | int i, n; |
401 | n=(pm->pcnt)/2; |
||
402 | scale(pm->pd,pm->p,n); |
||
403 | for(i=2;i<2*n;i+=2) { |
||
404 | gdImageLine(image,pm->p[0],pm->p[1],pm->p[i],pm->p[i+1],pm->color[0]); |
||
17574 | bpr | 405 | if (tikz_file) |
406 | fprintf(tikz_file, "\\draw\[%s] (%i, %i) -- (%i, %i);\n", |
||
407 | tikz_options(pm->color[0],pm->fill),pm->p[0],flip(pm->p[1]),pm->p[i],flip(pm->p[i+1])); |
||
12473 | bpr | 408 | if(vimg_enable) vimg_line(scale_buf[0],scale_buf[1], |
409 | scale_buf[i],scale_buf[i+1]); |
||
410 | } |
||
10 | reyssat | 411 | } |
8414 | bpr | 412 | /* crosshair */ |
413 | void obj_crosshair(objparm *pm) |
||
414 | { |
||
12473 | bpr | 415 | scale(pm->pd,pm->p,2); |
416 | gdImageLine(image,pm->p[0]+width2,pm->p[1]+width2,pm->p[0]-width2,pm->p[1]-width2,pm->color[0]); |
||
417 | gdImageLine(image,pm->p[0]-width2,pm->p[1]+width2,pm->p[0]+width2,pm->p[1]-width2,pm->color[0]); |
||
17574 | bpr | 418 | if (tikz_file){ |
419 | fprintf(tikz_file, "\\draw\[%s] (%i, %i) -- (%i, %i);\n", |
||
420 | 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)); |
||
421 | fprintf(tikz_file, "\\draw\[%s] (%i, %i) -- (%i, %i);\n", |
||
422 | 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)); |
||
423 | } |
||
8414 | bpr | 424 | } |
425 | /* crosshairs */ |
||
10 | reyssat | 426 | |
8414 | bpr | 427 | void obj_crosshairs(objparm *pm) |
428 | { |
||
12473 | bpr | 429 | int i, n; |
430 | n=(pm->pcnt)/2; |
||
431 | scale(pm->pd,pm->p,n); |
||
432 | for(i=0;i<2*n;i+=2) { |
||
433 | gdImageLine(image,pm->p[i]+width2,pm->p[i+1]+width2,pm->p[i]-width2,pm->p[i+1]-width2,pm->color[0]); |
||
434 | 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 | 435 | if (tikz_file){ |
436 | fprintf(tikz_file, "\\draw\[%s] (%i, %i) -- (%i, %i);\n", |
||
437 | tikz_options(pm->color[0],pm->fill),pm->p[i]+width2,flip(pm->p[i+1]+width2),pm->p[i]-width2,flip(pm->p[i+1]-width2)); |
||
438 | fprintf(tikz_file, "\\draw\[%s] (%i, %i) -- (%i, %i);\n", |
||
439 | tikz_options(pm->color[0],pm->fill),pm->p[i]-width2,flip(pm->p[i+1]+width2),pm->p[i]+width2,flip(pm->p[i+1]-width2)); |
||
440 | } |
||
12473 | bpr | 441 | } |
8414 | bpr | 442 | } |
443 | |||
444 | |||
7675 | bpr | 445 | /* segments */ |
10 | reyssat | 446 | void obj_lines(objparm *pm) |
447 | { |
||
12473 | bpr | 448 | int i, n; |
449 | n=(pm->pcnt)/2; |
||
450 | scale(pm->pd,pm->p,n); |
||
17574 | bpr | 451 | for(i=2;i<2*n;i+=2){ |
12473 | bpr | 452 | gdImageLine(image,pm->p[i-2],pm->p[i-1],pm->p[i],pm->p[i+1],pm->color[0]); |
17574 | bpr | 453 | if (tikz_file){ |
454 | fprintf(tikz_file, "\\draw\[%s] (%i, %i) -- (%i, %i);\n", |
||
455 | tikz_options(pm->color[0],pm->fill),pm->p[i-2],flip(pm->p[i-1]),pm->p[i],flip(pm->p[i+1])); |
||
456 | } |
||
457 | if(vimg_enable) vimg_polyline(scale_buf,n,0); |
||
458 | } |
||
10 | reyssat | 459 | } |
16344 | bpr | 460 | /*segments from x1,y1 to x2,y2, x3,y3 to x4,y4, etc */ |
461 | void obj_segments(objparm *pm) |
||
462 | { |
||
463 | int i, n; |
||
464 | n=(pm->pcnt)/4; |
||
465 | scale(pm->pd,pm->p,2*n); |
||
17574 | bpr | 466 | for(i=0;i<4*n;i+=4){ |
16344 | bpr | 467 | gdImageLine(image,pm->p[i],pm->p[i+1],pm->p[i+2],pm->p[i+3],pm->color[0]); |
17574 | bpr | 468 | if (tikz_file){ |
469 | fprintf(tikz_file, "\\draw\[%s] (%i, %i) -- (%i, %i);\n", |
||
470 | tikz_options(pm->color[0],pm->fill),pm->p[i],flip(pm->p[i+1]),pm->p[i+2],flip(pm->p[i+3])); |
||
471 | } |
||
472 | } |
||
16344 | bpr | 473 | } |
7675 | bpr | 474 | /* segments */ |
10 | reyssat | 475 | void obj_dlines(objparm *pm) |
476 | { |
||
12473 | bpr | 477 | int i, n; |
478 | n=(pm->pcnt)/2; |
||
479 | scale(pm->pd,pm->p,n); |
||
480 | for(i=2;i<2*n;i+=2) |
||
481 | myDashedLine(image,pm->p[i-2],pm->p[i-1],pm->p[i],pm->p[i+1],pm->color[0]); |
||
17574 | bpr | 482 | if (tikz_file){ |
483 | fprintf(tikz_file, "\\draw\[%s] (%i, %i) -- (%i, %i);\n", |
||
484 | tikz_options(pm->color[0],pm->fill),pm->p[i-2],flip(pm->p[i-1]),pm->p[i],flip(pm->p[i+1])); |
||
485 | } |
||
12473 | bpr | 486 | if(vimg_enable) vimg_polyline(scale_buf,n,0); |
10 | reyssat | 487 | } |
488 | |||
7675 | bpr | 489 | /* points */ |
10 | reyssat | 490 | void obj_points(objparm *pm) |
491 | { |
||
12473 | bpr | 492 | int i, n; |
493 | n=(pm->pcnt)/2; |
||
494 | scale(pm->pd,pm->p,n); |
||
17574 | bpr | 495 | for(i=0;i<2*n;i+=2){ |
12473 | bpr | 496 | gdImageSetPixel(image,pm->p[i],pm->p[i+1],pm->color[0]); |
17574 | bpr | 497 | if(tikz_file) fprintf(tikz_file, "\\draw\[%s] (%i, %i) circle (0pt);\n", |
498 | tikz_options(pm->color[0],pm->fill),pm->p[i],flip(pm->p[i+1])); |
||
499 | } |
||
10 | reyssat | 500 | } |
501 | |||
7675 | bpr | 502 | /* lattice. |
503 | * x0,y0,xv1,yv1,xv2,yv2,n1,n2,color */ |
||
10 | reyssat | 504 | void obj_lattice(objparm *pm) |
505 | { |
||
12473 | bpr | 506 | int n1,n2,i1,i2,xi1,yi1,xi2,yi2; |
507 | double xv1,xv2,yv1,yv2; |
||
508 | n1=pm->pd[6];n2=pm->pd[7]; if(n1<0 || n2<0) return; |
||
509 | if(n1>256) n1=256; |
||
510 | if(n2>256) n2=256; |
||
511 | scale(pm->pd,pm->p,1); |
||
512 | scale2(pm->pd[2],pm->pd[3],&xv1,&yv1); |
||
513 | scale2(pm->pd[4],pm->pd[5],&xv2,&yv2); |
||
514 | for(i1=0;i1<n1;i1++) { |
||
515 | xi1=rint(i1*xv1)+pm->p[0]; yi1=rint(i1*yv1)+pm->p[1]; |
||
516 | for(i2=0;i2<n2;i2++) { |
||
517 | xi2=i2*xv2+xi1;yi2=i2*yv2+yi1; |
||
518 | gdImageSetPixel(image,xi2,yi2,pm->color[0]); |
||
17574 | bpr | 519 | if(tikz_file) fprintf(tikz_file,"\\draw[%s] (%i,%i) circle (0pt);\n", |
520 | tikz_options(pm->color[0],0),xi2,flip(yi2)); |
||
10 | reyssat | 521 | } |
12473 | bpr | 522 | } |
10 | reyssat | 523 | } |
524 | |||
7675 | bpr | 525 | /* arc */ |
10 | reyssat | 526 | void obj_arc(objparm *pm) |
527 | { |
||
12473 | bpr | 528 | scale(pm->pd,pm->p,1); |
529 | pm->p[2]=rint(pm->pd[2]*xscale); pm->p[3]=rint(pm->pd[3]*yscale); |
||
530 | gdImageArc(image,pm->p[0],pm->p[1],pm->p[2],pm->p[3], |
||
531 | pm->pd[4],pm->pd[5],pm->color[0]); |
||
17574 | bpr | 532 | if(tikz_file) { |
533 | fprintf(tikz_file, |
||
534 | "\\draw\[%s, domain=%f:%f] plot ({%i+%f*cos(\\x)}, {%i+%f*sin(\\x)});\n", |
||
535 | tikz_options(pm->color[0],pm->fill), |
||
536 | pm->pd[4],pm->pd[5],pm->p[0],pm->p[2]*0.5,flip(pm->p[1]),pm->p[3]*(-0.5)); |
||
537 | } |
||
538 | /*FIXME echelle mauvaise*/ |
||
12473 | bpr | 539 | if(vimg_enable) vimg_arc(scale_buf[0],scale_buf[1], |
540 | 0.5*pm->pd[2],0.5*pm->pd[3],pm->pd[4],pm->pd[5]); |
||
10 | reyssat | 541 | } |
542 | |||
7675 | bpr | 543 | /* Ellipse: centre 0,1, width 2, hight 3, color 4,5,6 */ |
10 | reyssat | 544 | void obj_ellipse(objparm *pm) |
545 | { |
||
12473 | bpr | 546 | scale(pm->pd,pm->p,1); |
547 | pm->p[2]=rint(pm->pd[2]*xscale); pm->p[3]=rint(pm->pd[3]*yscale); |
||
548 | if(pm->fill) { |
||
549 | gdImageArc(image,pm->p[0],pm->p[1],pm->p[2],pm->p[3],0,360, |
||
550 | color_bounder); |
||
551 | patchgdImageFillToBorder(image,pm->p[0],pm->p[1], |
||
552 | color_bounder,pm->color[0]); |
||
553 | } |
||
554 | gdImageArc(image,pm->p[0],pm->p[1],pm->p[2],pm->p[3],0,360,pm->color[0]); |
||
17574 | bpr | 555 | if(tikz_file) fprintf(tikz_file,"\\draw\[%s] (%i,%i) ellipse (%f and %f);\n\n", |
556 | tikz_options(pm->color[0],pm->fill),pm->p[0],flip(pm->p[1]),pm->p[2]/2.,pm->p[3]/2.); |
||
557 | if(vimg_enable) vimg_ellipse(scale_buf[0],scale_buf[1],0.5*pm->pd[2],0.5*pm->pd[3]); |
||
10 | reyssat | 558 | } |
559 | |||
7675 | bpr | 560 | /* Circle */ |
10 | reyssat | 561 | void obj_circle(objparm *pm) |
562 | { |
||
12473 | bpr | 563 | scale(pm->pd,pm->p,1); |
564 | pm->p[2]=rint(pm->pd[2]); pm->p[3]=rint(pm->pd[2]); |
||
565 | if(pm->fill) { |
||
566 | gdImageArc(image,pm->p[0],pm->p[1],pm->p[2],pm->p[3],0,360, |
||
567 | color_bounder); |
||
568 | patchgdImageFillToBorder(image,pm->p[0],pm->p[1], |
||
569 | color_bounder,pm->color[0]); |
||
570 | } |
||
571 | gdImageArc(image,pm->p[0],pm->p[1],pm->p[2],pm->p[3],0,360,pm->color[0]); |
||
17574 | bpr | 572 | if(tikz_file) fprintf(tikz_file, "\\draw\[%s] (%i, %i) circle (%f);\n", |
573 | tikz_options(pm->color[0],pm->fill),pm->p[0],flip(pm->p[1]),pm->p[2]/2.); |
||
10 | reyssat | 574 | } |
575 | |||
7675 | bpr | 576 | /* flood fill */ |
10 | reyssat | 577 | void obj_fill(objparm *pm) |
578 | { |
||
12473 | bpr | 579 | scale(pm->pd,pm->p,1); |
580 | patchgdImageFill(image,pm->p[0],pm->p[1],pm->color[0]); |
||
10 | reyssat | 581 | } |
582 | |||
7675 | bpr | 583 | /* flood fill to border*/ |
10 | reyssat | 584 | void obj_fillb(objparm *pm) |
585 | { |
||
12473 | bpr | 586 | scale(pm->pd,pm->p,1); |
587 | patchgdImageFillToBorder(image,pm->p[0],pm->p[1],pm->color[0],pm->color[1]); |
||
10 | reyssat | 588 | } |
589 | |||
590 | gdImagePtr himg; |
||
591 | |||
592 | int makehatchimage(int x, int y, int px, int py, int col) |
||
593 | { |
||
12473 | bpr | 594 | int c1,c2,r,g,b; |
595 | gdImagePtr saveimg; |
||
596 | himg=gdImageCreate(x,y); |
||
597 | c1=gdImageGetPixel(image,px,py); |
||
598 | r=gdImageRed(image,c1); g=gdImageGreen(image,c1); b=gdImageBlue(image,c1); |
||
599 | if(r>=255) r--; else r++; if(g>=255) g--; else g++; if(b>=255) b--; else b++; |
||
600 | c1=gdImageColorAllocate(himg,r,g,b); |
||
601 | r=gdImageRed(image,col); g=gdImageGreen(image,col); b=gdImageBlue(image,col); |
||
602 | c2=gdImageColorAllocate(himg,r,g,b); |
||
603 | if(width>1) { |
||
604 | savew=-1; saveimg=image; |
||
605 | image=himg; c2=widthcolor(width,c2); image=saveimg; |
||
606 | c2=gdBrushed; savew=-1; |
||
607 | } |
||
608 | return c2; |
||
10 | reyssat | 609 | } |
610 | |||
7675 | bpr | 611 | /* flood fill with hatching */ |
10 | reyssat | 612 | void obj_hatchfill(objparm *pm) |
613 | { |
||
12473 | bpr | 614 | int nx,ny,ax,ay, dir, c; |
615 | scale(pm->pd,pm->p,1); |
||
616 | nx=pm->pd[2]; ny=pm->pd[3]; ax=abs(nx); ay=abs(ny); |
||
617 | if(nx==0 && ny==0) {fly_error("bad displacement vector"); return;} |
||
618 | if((nx>0 && ny>0) || (nx<0 && ny<0)) dir=1; else dir=-1; |
||
619 | if(ax==0) {ax=100; dir=2;} |
||
620 | if(ay==0) {ay=100; dir=3;} |
||
621 | c=makehatchimage(ax,ay,pm->p[0],pm->p[1],pm->color[0]); |
||
622 | switch(dir) { |
||
623 | case -1: { |
||
624 | gdImageLine(himg,0,ay-1,ax-1,0,c); |
||
625 | if(width>1) { |
||
626 | gdImageLine(himg,-ax,ay-1,-1,0,c); |
||
627 | gdImageLine(himg,ax,ay-1,2*ax-1,0,c); |
||
628 | gdImageLine(himg,0,-1,ax-1,-ay,c); |
||
629 | gdImageLine(himg,0,2*ay-1,ax-1,ay,c); |
||
7675 | bpr | 630 | } |
12473 | bpr | 631 | break; |
632 | } |
||
633 | case 1: { |
||
634 | gdImageLine(himg,0,0,ax-1,ay-1,c); |
||
635 | if(width>1) { |
||
636 | gdImageLine(himg,-ax,0,-1,ay-1,c); |
||
637 | gdImageLine(himg,ax,0,2*ax-1,ay-1,c); |
||
638 | gdImageLine(himg,0,-ay,ax-1,-1,c); |
||
639 | gdImageLine(himg,0,ay,ax-1,2*ay-1,c); |
||
7675 | bpr | 640 | } |
12473 | bpr | 641 | break; |
642 | } |
||
643 | case 2: gdImageLine(himg,0,ay/2,ax-1,ay/2,c); break; |
||
17574 | bpr | 644 | case 3: gdImageLine(himg,ax/2,0,ax/2,ay-1,c); break; |
12473 | bpr | 645 | } |
646 | gdImageSetTile(image,himg); |
||
647 | patchgdImageFill(image,pm->p[0],pm->p[1],gdTiled); |
||
648 | gdImageDestroy(himg); |
||
649 | if(tiled) gdImageSetTile(image,tileimg); |
||
10 | reyssat | 650 | } |
651 | |||
7675 | bpr | 652 | /* flood fill with grid */ |
10 | reyssat | 653 | void obj_gridfill(objparm *pm) |
654 | { |
||
12473 | bpr | 655 | int nx,ny, c; |
656 | scale(pm->pd,pm->p,1); |
||
657 | nx=pm->pd[2]; ny=pm->pd[3]; nx=abs(nx); ny=abs(ny); |
||
658 | if(nx==0 && ny==0) {fly_error("bad grid size"); return;} |
||
659 | c=makehatchimage(nx,ny,pm->p[0],pm->p[1],pm->color[0]); |
||
660 | gdImageLine(himg,0,ny/2,nx-1,ny/2,c); gdImageLine(himg,nx/2,0,nx/2,ny-1,c); |
||
661 | gdImageSetTile(image,himg); |
||
662 | patchgdImageFill(image,pm->p[0],pm->p[1],gdTiled); |
||
663 | gdImageDestroy(himg); |
||
664 | if(tiled) gdImageSetTile(image,tileimg); |
||
10 | reyssat | 665 | } |
666 | |||
7675 | bpr | 667 | /* flood fill with double hatching */ |
10 | reyssat | 668 | void obj_diafill(objparm *pm) |
669 | { |
||
12473 | bpr | 670 | int nx,ny, c; |
671 | scale(pm->pd,pm->p,1); |
||
672 | nx=pm->pd[2]; ny=pm->pd[3]; nx=abs(nx); ny=abs(ny); |
||
673 | if(nx==0 && ny==0) {fly_error("bad grid size"); return;} |
||
674 | c=makehatchimage(nx,ny,pm->p[0],pm->p[1],pm->color[0]); |
||
675 | gdImageLine(himg,0,0,nx-1,ny-1,c); gdImageLine(himg,0,ny-1,nx-1,0,c); |
||
676 | gdImageSetTile(image,himg); |
||
677 | patchgdImageFill(image,pm->p[0],pm->p[1],gdTiled); |
||
678 | gdImageDestroy(himg); |
||
679 | if(tiled) gdImageSetTile(image,tileimg); |
||
10 | reyssat | 680 | } |
681 | |||
7675 | bpr | 682 | /* flood fill with double hatching */ |
10 | reyssat | 683 | void obj_dotfill(objparm *pm) |
684 | { |
||
12473 | bpr | 685 | int nx,ny, c; |
686 | scale(pm->pd,pm->p,1); |
||
687 | nx=pm->pd[2]; ny=pm->pd[3]; nx=abs(nx); ny=abs(ny); |
||
688 | if(nx==0 && ny==0) {fly_error("bad grid size"); return;} |
||
689 | c=makehatchimage(nx,ny,pm->p[0],pm->p[1],pm->color[0]); |
||
690 | gdImageSetPixel(himg,nx/2,ny/2,c); |
||
691 | gdImageSetTile(image,himg); |
||
692 | patchgdImageFill(image,pm->p[0],pm->p[1],gdTiled); |
||
693 | gdImageDestroy(himg); |
||
694 | if(tiled) gdImageSetTile(image,tileimg); |
||
10 | reyssat | 695 | } |
696 | |||
697 | struct { |
||
12473 | bpr | 698 | char *name; |
699 | gdFontPtr *fpt; |
||
10 | reyssat | 700 | } fonttab[]={ |
12473 | bpr | 701 | {"tiny", &gdFontTiny}, |
702 | {"small", &gdFontSmall}, |
||
703 | {"medium",&gdFontMediumBold}, |
||
704 | {"large", &gdFontLarge}, |
||
705 | {"giant", &gdFontGiant}, |
||
706 | {"huge", &gdFontGiant} |
||
10 | reyssat | 707 | }; |
708 | |||
709 | #define fonttab_no (sizeof(fonttab)/sizeof(fonttab[0])) |
||
710 | |||
7675 | bpr | 711 | /* string */ |
10 | reyssat | 712 | void obj_string(objparm *pm) |
713 | { |
||
12473 | bpr | 714 | char *pp, *pe, *p2; |
715 | int i; |
||
716 | pp=pm->str; pe=strchr(pp,','); if(pe==NULL) { |
||
717 | fly_error("too_few_parms"); return; |
||
718 | } |
||
719 | *pe++=0; pp=find_word_start(pp); *find_word_end(pp)=0; |
||
720 | pe=find_word_start(pe); strip_trailing_spaces(pe); |
||
721 | if(*pp) { |
||
722 | for(i=0;i<fonttab_no && strcmp(pp,fonttab[i].name)!=0; i++); |
||
723 | if(i>=fonttab_no) i=1; |
||
724 | } |
||
725 | else i=1; |
||
726 | scale(pm->pd,pm->p,1); |
||
727 | if(*pe=='"') { |
||
728 | p2=strchr(pe+1,'"'); |
||
729 | if(p2 && *(p2+1)==0) {*p2=0; pe++;} |
||
730 | } |
||
731 | if(pm->fill) |
||
732 | gdImageStringUp(image,*(fonttab[i].fpt),pm->p[0],pm->p[1], (unsigned char*) pe, |
||
733 | pm->color[0]); |
||
734 | else |
||
735 | gdImageString(image,*(fonttab[i].fpt),pm->p[0],pm->p[1], (unsigned char*) pe, |
||
736 | pm->color[0]); |
||
10 | reyssat | 737 | } |
738 | |||
7675 | bpr | 739 | /* point */ |
10 | reyssat | 740 | void obj_point(objparm *pm) |
741 | { |
||
12473 | bpr | 742 | scale(pm->pd,pm->p,1); |
743 | gdImageSetPixel(image,pm->p[0],pm->p[1],pm->color[0]); |
||
17574 | bpr | 744 | if(tikz_file) fprintf(tikz_file,"\\draw[%s] (%i,%i) circle (0pt);\n", |
745 | tikz_options(pm->color[0],0),pm->p[0],flip(pm->p[1])); |
||
10 | reyssat | 746 | } |
747 | |||
7675 | bpr | 748 | /* copy an image file */ |
10 | reyssat | 749 | void obj_copy(objparm *pm) |
750 | { |
||
12473 | bpr | 751 | char *pp; |
752 | FILE *inf; |
||
753 | gdImagePtr insimg; |
||
7615 | bpr | 754 | |
12473 | bpr | 755 | pp=find_word_start(pm->str);*find_word_end(pp)=0; |
756 | inf=open4read(pp); |
||
757 | if(inf==NULL) { |
||
758 | fly_error("file_not_exist"); return; |
||
759 | } |
||
760 | insimg=gdImageCreateFromGif(inf); fclose(inf); |
||
761 | if(insimg==NULL) { |
||
762 | fly_error("bad_gif"); return; |
||
763 | } |
||
764 | scale(pm->pd,pm->p,1); |
||
765 | if(pm->pd[2]<0 && pm->pd[3]<0 && pm->pd[4]<0 && pm->pd[5]<0) |
||
766 | gdImageCopy(image,insimg,pm->p[0],pm->p[1],0,0, |
||
767 | insimg->sx,insimg->sy); |
||
768 | else |
||
769 | gdImageCopy(image,insimg,pm->p[0],pm->p[1],pm->pd[2],pm->pd[3], |
||
770 | pm->pd[4]-pm->pd[2],pm->pd[5]-pm->pd[3]); |
||
771 | gdImageDestroy(insimg); |
||
10 | reyssat | 772 | } |
773 | |||
7675 | bpr | 774 | /* copy an image file, with resizing */ |
10 | reyssat | 775 | void obj_copyresize(objparm *pm) |
776 | { |
||
12473 | bpr | 777 | char *pp; |
778 | FILE *inf; |
||
779 | gdImagePtr insimg; |
||
7615 | bpr | 780 | |
12473 | bpr | 781 | pp=find_word_start(pm->str);*find_word_end(pp)=0; |
782 | inf=open4read(pp); |
||
783 | if(inf==NULL) { |
||
784 | fly_error("file_not_found"); return; |
||
785 | } |
||
786 | insimg=gdImageCreateFromGif(inf); fclose(inf); |
||
787 | if(insimg==NULL) { |
||
788 | fly_error("bad_gif"); return; |
||
789 | } |
||
790 | scale(pm->pd+4,pm->p+4,2); |
||
791 | if(pm->pd[0]<0 && pm->pd[1]<0 && pm->pd[2]<0 && pm->pd[3]<0) |
||
792 | gdImageCopyResized(image,insimg,pm->p[4],pm->p[5],0,0, |
||
793 | pm->p[6]-pm->p[4]+1,pm->p[7]-pm->p[5]+1, |
||
794 | insimg->sx,insimg->sy); |
||
795 | else |
||
796 | gdImageCopyResized(image,insimg,pm->p[4],pm->p[5],pm->pd[0],pm->pd[1], |
||
797 | pm->p[6]-pm->p[4]+1,pm->p[7]-pm->p[5]+1, |
||
798 | pm->pd[2]-pm->pd[0]+1,pm->pd[3]-pm->pd[1]+1); |
||
799 | gdImageDestroy(insimg); |
||
10 | reyssat | 800 | } |
801 | |||
7675 | bpr | 802 | /* set brush or tile */ |
10 | reyssat | 803 | void obj_setbrush(objparm *pm) |
804 | { |
||
12473 | bpr | 805 | char *pp; |
806 | FILE *inf; |
||
807 | gdImagePtr insimg; |
||
10 | reyssat | 808 | |
12473 | bpr | 809 | pp=find_word_start(pm->str); *find_word_end(pp)=0; |
810 | inf=open4read(pp); if(inf==NULL) { |
||
811 | fly_error("file_not_found"); return; |
||
812 | } |
||
813 | insimg=gdImageCreateFromGif(inf); fclose(inf); |
||
814 | if(insimg==NULL) { |
||
815 | fly_error("bad_gif"); return; |
||
816 | } |
||
817 | if(pm->fill) { |
||
818 | gdImageSetTile(image,insimg); tiled=1; tileimg=insimg; |
||
819 | } |
||
820 | else { |
||
821 | gdImageSetBrush(image,insimg);brushed=1; brushimg=insimg; |
||
822 | } |
||
10 | reyssat | 823 | } |
824 | |||
7675 | bpr | 825 | /* kill brush */ |
10 | reyssat | 826 | void obj_killbrush(objparm *pm) |
827 | { |
||
12473 | bpr | 828 | if(brushimg) gdImageDestroy(brushimg); |
829 | brushed=0; brushimg=NULL; |
||
10 | reyssat | 830 | } |
831 | |||
7675 | bpr | 832 | /* kill tile */ |
10 | reyssat | 833 | void obj_killtile(objparm *pm) |
834 | { |
||
12473 | bpr | 835 | if(tileimg) gdImageDestroy(tileimg); |
836 | tiled=0; tileimg=NULL; |
||
10 | reyssat | 837 | } |
838 | |||
7675 | bpr | 839 | /* set style */ |
10 | reyssat | 840 | void obj_setstyle(objparm *pm) |
841 | { |
||
12473 | bpr | 842 | int i,t; |
843 | t=pm->pcnt/3; if(t<=0) { |
||
844 | fly_error("too_few_parms"); return; |
||
845 | } |
||
846 | for(i=0;i<t;i++) { |
||
847 | if(pm->pd[3*i]<0 || pm->pd[3*i+1]<0 || pm->pd[3*i+2]<0) |
||
848 | pm->p[i]=gdTransparent; |
||
849 | else |
||
850 | pm->p[i]=getcolor(pm->pd[3*i],pm->pd[3*i+1],pm->pd[3*i+2]); |
||
851 | } |
||
852 | gdImageSetStyle(image,pm->p,t); styled=1; |
||
10 | reyssat | 853 | } |
854 | |||
7675 | bpr | 855 | /* kill style */ |
10 | reyssat | 856 | void obj_killstyle(objparm *pm) |
857 | { |
||
12473 | bpr | 858 | styled=0; |
10 | reyssat | 859 | } |
860 | |||
7675 | bpr | 861 | /* set transparent */ |
10 | reyssat | 862 | void obj_transp(objparm *pm) |
863 | { |
||
12473 | bpr | 864 | gdImageColorTransparent(image,pm->color[0]); |
10 | reyssat | 865 | } |
866 | |||
7675 | bpr | 867 | /* set interlace */ |
10 | reyssat | 868 | void obj_interlace(objparm *pm) |
869 | { |
||
12473 | bpr | 870 | gdImageInterlace(image,1); |
10 | reyssat | 871 | } |
872 | |||
7675 | bpr | 873 | /* set linewidth */ |
10 | reyssat | 874 | void obj_linewidth(objparm *pm) |
875 | { |
||
12473 | bpr | 876 | if(pm->pd[0]<1 || pm->pd[0]>255) fly_error("bad_parms"); |
17574 | bpr | 877 | width=pm->pd[0]; |
878 | if(tikz_file) fprintf(tikz_file,"\\pgfsetlinewidth{%f}\n",width*0.7); |
||
10 | reyssat | 879 | } |
880 | |||
8414 | bpr | 881 | /* set crosshairsize */ |
882 | void obj_crosshairsize(objparm *pm) |
||
883 | { |
||
12473 | bpr | 884 | if(pm->pd[0]<1 || pm->pd[0]>255) fly_error("bad_parms"); |
885 | else width2=pm->pd[0]; |
||
8414 | bpr | 886 | } |
887 | |||
7675 | bpr | 888 | /* set x range */ |
10 | reyssat | 889 | void obj_xrange(objparm *pm) |
890 | { |
||
12473 | bpr | 891 | double dd; |
892 | dd=pm->pd[1]-pm->pd[0]; |
||
893 | xstart=pm->pd[0]; xscale=sizex/dd; |
||
10 | reyssat | 894 | } |
895 | |||
7675 | bpr | 896 | /* set y range */ |
10 | reyssat | 897 | void obj_yrange(objparm *pm) |
898 | { |
||
12473 | bpr | 899 | double dd; |
900 | dd=pm->pd[1]-pm->pd[0]; |
||
901 | ystart=pm->pd[1]; yscale=-sizey/dd; |
||
10 | reyssat | 902 | } |
903 | |||
7675 | bpr | 904 | /* set x et y range */ |
10 | reyssat | 905 | void obj_range(objparm *pm) |
906 | { |
||
12473 | bpr | 907 | double d1,d2; |
908 | d1=pm->pd[1]-pm->pd[0]; d2=pm->pd[3]-pm->pd[2]; |
||
909 | xstart=pm->pd[0]; xscale=(sizex-1)/d1; |
||
910 | ystart=pm->pd[3]; yscale=-(sizey-1)/d2; |
||
10 | reyssat | 911 | } |
912 | |||
7675 | bpr | 913 | /* set t range */ |
10 | reyssat | 914 | void obj_trange(objparm *pm) |
915 | { |
||
12473 | bpr | 916 | /*double dd; |
917 | dd=pm->pd[1]-pm->pd[0];*/ |
||
918 | tstart=pm->pd[0]; tend=pm->pd[1]; |
||
919 | tranged=1; |
||
10 | reyssat | 920 | } |
921 | |||
7675 | bpr | 922 | /* set tstep (plotting step) */ |
10 | reyssat | 923 | void obj_tstep(objparm *pm) |
924 | { |
||
12473 | bpr | 925 | int dd; |
926 | dd=pm->pd[0]; |
||
927 | if(dd<3) { |
||
928 | fly_error("bad_step"); return; |
||
929 | } |
||
930 | if(dd>2000) dd=2000; |
||
931 | tstep=dd; |
||
10 | reyssat | 932 | } |
933 | |||
7675 | bpr | 934 | /* set plotjump (plot jump break threashold) */ |
10 | reyssat | 935 | void obj_plotjump(objparm *pm) |
936 | { |
||
12473 | bpr | 937 | int dd; |
938 | dd=pm->pd[0]; |
||
939 | if(dd<3) dd=3; |
||
940 | if(dd>MAX_SIZE) dd=MAX_SIZE; |
||
941 | plotjump=dd; |
||
10 | reyssat | 942 | } |
943 | |||
7675 | bpr | 944 | /* plot a curve, either parametric or explicit */ |
6578 | bpr | 945 | void _obj_plot(objparm *pm,int dash) |
10 | reyssat | 946 | { |
12473 | bpr | 947 | int i,j,n,dist,xx,yy,varpos; |
948 | char p1[MAX_LINELEN+1], p2[MAX_LINELEN+1]; |
||
949 | char *varn, *pp; |
||
950 | double dc[2],t,v; |
||
951 | int ic[2],oc[2]; |
||
10 | reyssat | 952 | |
12473 | bpr | 953 | n=itemnum(pm->str); |
954 | if(n<1) { |
||
955 | fly_error("bad_parms"); return; |
||
956 | } |
||
957 | fnd_item(pm->str,1,p1); fnd_item(pm->str,2,p2); |
||
958 | if(n==1 && !tranged) v=sizex/xscale/tstep; |
||
959 | else v=(tend-tstart)/tstep; |
||
960 | if(n==1) varn="x"; else varn="t"; |
||
961 | for(pp=varchr(p1,varn); pp; pp=varchr(pp,varn)) { |
||
962 | string_modify(p1,pp,pp+strlen(varn),EV_T); |
||
963 | pp+=strlen(EV_T); |
||
964 | } |
||
965 | for(pp=varchr(p2,varn); pp; pp=varchr(pp,varn)) { |
||
966 | string_modify(p2,pp,pp+strlen(varn),EV_T); |
||
7675 | bpr | 967 | pp+=strlen(EV_T); |
12473 | bpr | 968 | } |
969 | varpos=eval_getpos(EV_T); |
||
970 | if(varpos<0) return; /* unknown error */ |
||
971 | evalue_compile(p1); evalue_compile(p2); |
||
972 | if(vimg_enable) vimg_plotstart(); |
||
973 | for(i=j=0;i<=tstep;i++) { |
||
974 | if(n==1) { |
||
975 | if(tranged) t=tstart+i*v; else t=xstart+i*v; |
||
976 | eval_setval(varpos,t); dc[0]=t; dc[1]=strevalue(p1); |
||
10 | reyssat | 977 | } |
12473 | bpr | 978 | else { |
979 | t=tstart+i*v; eval_setval(varpos,t); |
||
980 | dc[0]=strevalue(p1); dc[1]=strevalue(p2); |
||
10 | reyssat | 981 | } |
12473 | bpr | 982 | if(!isfinite(dc[0]) || !isfinite(dc[1])) ic[0]=ic[1]=-BOUND; |
983 | else scale(dc,ic,1); |
||
984 | if(vimg_enable) vimg_plot1 (scale_buf[0],scale_buf[1]); |
||
985 | if(j==0) { |
||
986 | gdImageSetPixel(image,ic[0],ic[1],pm->color[0]); j++; |
||
987 | } |
||
988 | else { |
||
989 | xx=ic[0]-oc[0]; yy=ic[1]-oc[1]; |
||
990 | dist=sqrt(xx*xx+yy*yy); |
||
991 | if(dist>0) { |
||
992 | if(dist>plotjump || dist==1) |
||
993 | gdImageSetPixel(image,ic[0],ic[1],pm->color[0]); |
||
994 | else |
||
995 | if ( dash==1) |
||
996 | gdImageDashedLine(image,oc[0],oc[1],ic[0],ic[1],pm->color[0]); |
||
997 | else |
||
998 | gdImageLine(image,oc[0],oc[1],ic[0],ic[1],pm->color[0]); |
||
7675 | bpr | 999 | } |
10 | reyssat | 1000 | } |
12473 | bpr | 1001 | memmove(oc,ic,sizeof(oc)); |
1002 | } |
||
1003 | if(vimg_enable) vimg_plotend(); |
||
10 | reyssat | 1004 | } |
1005 | |||
6578 | bpr | 1006 | void obj_plot(objparm *pm) { _obj_plot( pm,0) ;} |
1007 | void obj_dplot(objparm *pm) { _obj_plot( pm,1) ; } |
||
1008 | |||
7675 | bpr | 1009 | /* set levelcurve granularity */ |
10 | reyssat | 1010 | void obj_levelstep(objparm *pm) |
1011 | { |
||
12473 | bpr | 1012 | int dd; |
1013 | dd=pm->pd[0]; |
||
1014 | if(dd<1) return; |
||
1015 | if(dd>16) dd=16; |
||
1016 | lstep=dd; |
||
10 | reyssat | 1017 | } |
1018 | |||
7675 | bpr | 1019 | /* level curve */ |
10 | reyssat | 1020 | void obj_levelcurve(objparm *pm) |
1021 | { |
||
12473 | bpr | 1022 | char fn[MAX_LINELEN+1],tc[MAX_LINELEN+1]; |
1023 | int n,i; |
||
1024 | double d; |
||
1025 | leveldata *ld; |
||
7615 | bpr | 1026 | |
12473 | bpr | 1027 | ld=xmalloc(sizeof(leveldata)+16); |
1028 | ld->xname="x"; ld->yname="y"; |
||
1029 | ld->xsize=sizex; ld->ysize=sizey; ld->datacnt=0; |
||
1030 | ld->xrange[0]=xstart; ld->xrange[1]=sizex/xscale+xstart; |
||
1031 | ld->yrange[0]=sizey/yscale+ystart; ld->yrange[1]=ystart; |
||
1032 | ld->grain=lstep; |
||
1033 | fnd_item(pm->str,1,fn); ld->fn=fn; |
||
1034 | n=itemnum(pm->str); |
||
1035 | if(n<=1) {ld->levelcnt=1; ld->levels[0]=0;} |
||
1036 | else { |
||
1037 | if(n>LEVEL_LIM+1) n=LEVEL_LIM+1; |
||
1038 | for(i=0;i<n-1;i++) { |
||
1039 | fnd_item(pm->str,i+2,tc); |
||
1040 | d=strevalue(tc); |
||
1041 | if(isfinite(d)) ld->levels[i]=d; else ld->levels[i]=0; |
||
10 | reyssat | 1042 | } |
12473 | bpr | 1043 | ld->levelcnt=n-1; |
1044 | } |
||
1045 | levelcurve(ld); |
||
1046 | for(i=0;i<ld->datacnt;i++) { |
||
1047 | gdImageSetPixel(image,ld->xdata[i],ld->ydata[i],pm->color[0]); |
||
1048 | } |
||
1049 | free(ld); |
||
10 | reyssat | 1050 | } |
1051 | |||
7675 | bpr | 1052 | /* set animation step */ |
10 | reyssat | 1053 | void obj_animstep(objparm *pm) |
1054 | { |
||
12473 | bpr | 1055 | animstep=pm->pd[0]; |
1056 | setvar("animstep",pm->pd[0]); |
||
10 | reyssat | 1057 | } |
1058 | |||
7675 | bpr | 1059 | /* Starts a line counting */ |
10 | reyssat | 1060 | void obj_linecount(objparm *pm) |
1061 | { |
||
12473 | bpr | 1062 | linecnt=pm->pd[0]; |
10 | reyssat | 1063 | } |
1064 | |||
7675 | bpr | 1065 | /* marks end of execution */ |
10 | reyssat | 1066 | void obj_end(objparm *pm) |
1067 | { |
||
12473 | bpr | 1068 | fly_error("successful_end_of_execution"); |
10 | reyssat | 1069 | } |
1070 | |||
7675 | bpr | 1071 | /* output */ |
10 | reyssat | 1072 | void obj_output(objparm *pm) |
1073 | { |
||
12473 | bpr | 1074 | char *p, namebuf[1024]; |
1075 | p=find_word_start(pm->str); *find_word_end(p)=0; |
||
1076 | snprintf(namebuf,sizeof(namebuf),"%s",imagefilename); |
||
1077 | snprintf(imagefilename,sizeof(imagefilename),"%s",p); |
||
1078 | output(); |
||
1079 | snprintf(imagefilename,sizeof(imagefilename),"%s",namebuf); |
||
10 | reyssat | 1080 | } |
1081 | |||
7675 | bpr | 1082 | /* vimgfile */ |
1024 | bpr | 1083 | void obj_vimgfile(objparm *pm) |
1084 | { |
||
12473 | bpr | 1085 | char *p; |
1086 | p=find_word_start(pm->str); *find_word_end(p)=0; |
||
1087 | snprintf(vimgfilename,sizeof(vimgfilename),"%s",p); |
||
1088 | if(vimg_ready) vimg_close(); |
||
1024 | bpr | 1089 | } |
1090 | |||
7675 | bpr | 1091 | /* vimg enable/disable */ |
1024 | bpr | 1092 | void obj_vimg(objparm *pm) |
1093 | { |
||
12473 | bpr | 1094 | vimg_enable=pm->pd[0]; |
1095 | if(vimg_enable>0 && vimg_ready==0) vimg_init(); |
||
1024 | bpr | 1096 | } |
1097 | |||
7675 | bpr | 1098 | /* Set affine transformation */ |
10 | reyssat | 1099 | void obj_affine(objparm *pm) |
1100 | { |
||
12473 | bpr | 1101 | int i; |
1102 | for(i=0;i<4;i++) matrix[i]=pm->pd[i]; |
||
1103 | transx=pm->pd[4]; transy=pm->pd[5]; |
||
1104 | transform=1; |
||
10 | reyssat | 1105 | } |
1106 | |||
7675 | bpr | 1107 | /* Set affine transformation */ |
10 | reyssat | 1108 | void obj_rotation(objparm *pm) |
1109 | { |
||
12473 | bpr | 1110 | double r; |
1111 | r=M_PI*pm->pd[0]/180; |
||
1112 | matrix[0]=matrix[3]=cos(r); |
||
1113 | matrix[1]=-sin(r); matrix[2]=sin(r); |
||
1114 | transform=1; |
||
10 | reyssat | 1115 | } |
1116 | |||
8419 | bpr | 1117 | /* Set linear transformation */ |
10 | reyssat | 1118 | void obj_linear(objparm *pm) |
1119 | { |
||
12473 | bpr | 1120 | int i; |
1121 | for(i=0;i<4;i++) matrix[i]=pm->pd[i]; |
||
1122 | transform=1; |
||
10 | reyssat | 1123 | } |
1124 | |||
8419 | bpr | 1125 | /* Set translation transformation */ |
10 | reyssat | 1126 | void obj_translation(objparm *pm) |
1127 | { |
||
12473 | bpr | 1128 | transx=pm->pd[0]; transy=pm->pd[1]; |
10 | reyssat | 1129 | } |
1130 | |||
8419 | bpr | 1131 | /* kill affine transformation */ |
10 | reyssat | 1132 | void obj_killaffine(objparm *pm) |
1133 | { |
||
12473 | bpr | 1134 | matrix[0]=matrix[3]=1; |
1135 | matrix[1]=matrix[2]=transx=transy=0; |
||
1136 | transform=0; |
||
10 | reyssat | 1137 | } |
1138 | |||
8419 | bpr | 1139 | /* kill affine transformation */ |
10 | reyssat | 1140 | void obj_killlinear(objparm *pm) |
1141 | { |
||
12473 | bpr | 1142 | matrix[0]=matrix[3]=1; |
1143 | matrix[1]=matrix[2]=0; |
||
1144 | transform=0; |
||
10 | reyssat | 1145 | } |
1146 | |||
8419 | bpr | 1147 | /* kill affine transformation */ |
10 | reyssat | 1148 | void obj_killtranslation(objparm *pm) |
1149 | { |
||
12473 | bpr | 1150 | transx=transy=0; |
10 | reyssat | 1151 | } |
1152 | |||
1153 | /***** Les modifs de Jean-Christophe Leger Fev 2006 *****/ |
||
1154 | |||
7615 | bpr | 1155 | /* arguments: un numero de matrice entre 1 et JC_NB_MATRICES, une liste de 4 nombres reels pour la matrice */ |
10 | reyssat | 1156 | void obj_setmatrix(objparm *pm) |
1157 | { |
||
1158 | int nummatrix = (int) (pm->pd[0]); |
||
1159 | if((nummatrix < 1) ||(nummatrix>JC_NB_MATRICES)) { |
||
8195 | bpr | 1160 | fly_error("bad_matrix_number"); |
10 | reyssat | 1161 | return; |
1162 | } |
||
1163 | matrices_pavage[nummatrix][0] = pm->pd[1]; |
||
1164 | matrices_pavage[nummatrix][1] = pm->pd[2]; |
||
1165 | matrices_pavage[nummatrix][2] = pm->pd[3]; |
||
1166 | matrices_pavage[nummatrix][3] = pm->pd[4]; |
||
1167 | } |
||
1168 | |||
7615 | bpr | 1169 | /* arguments: un numero de matrice entre 1 et JC_NB_MATRICES */ |
10 | reyssat | 1170 | void obj_resetmatrix(objparm *pm) |
1171 | { |
||
1172 | int nummatrix = (int) (pm->pd[0]); |
||
1173 | if((nummatrix < 1) ||(nummatrix>JC_NB_MATRICES)) { |
||
8195 | bpr | 1174 | fly_error("bad_matrix_number"); |
10 | reyssat | 1175 | return; |
1176 | } |
||
1177 | matrices_pavage[nummatrix][0] = 1; |
||
1178 | matrices_pavage[nummatrix][1] = 0; |
||
1179 | matrices_pavage[nummatrix][2] = 0; |
||
1180 | matrices_pavage[nummatrix][3] = 1; |
||
1181 | |||
1182 | } |
||
7615 | bpr | 1183 | /* arguments: un numero de vecteur entre 1 et JC_NB_MATRICES, une liste de 2 nombres reels pour le vecteur */ |
10 | reyssat | 1184 | void obj_setvector(objparm *pm) |
1185 | { |
||
1186 | int nummatrix = (int) (pm->pd[0]); |
||
1187 | if((nummatrix < 1) ||(nummatrix>JC_NB_MATRICES)) { |
||
8195 | bpr | 1188 | fly_error("bad_vector_number"); |
10 | reyssat | 1189 | return; |
1190 | } |
||
1191 | vecteurs_pavage[nummatrix][0] = pm->pd[1]; |
||
1192 | vecteurs_pavage[nummatrix][1] = pm->pd[2]; |
||
1193 | } |
||
1194 | |||
7615 | bpr | 1195 | /* arguments: un numero de matrice entre 1 et JC_NB_MATRICES */ |
10 | reyssat | 1196 | void obj_resetvector(objparm *pm) |
1197 | { |
||
1198 | int nummatrix = (int) (pm->pd[0]); |
||
1199 | if((nummatrix < 1) ||(nummatrix>JC_NB_MATRICES)) { |
||
8195 | bpr | 1200 | fly_error("bad_vector_number"); |
10 | reyssat | 1201 | return; |
1202 | } |
||
1203 | vecteurs_pavage[nummatrix][0] = 0; |
||
1204 | vecteurs_pavage[nummatrix][1] = 0; |
||
1205 | } |
||
1206 | |||
7615 | bpr | 1207 | /* 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 | 1208 | void obj_settransform(objparm *pm) |
1209 | { |
||
1210 | int nummatrix = (int) (pm->pd[0]); |
||
1211 | if((nummatrix < 1) ||(nummatrix>JC_NB_MATRICES)) { |
||
8195 | bpr | 1212 | fly_error("bad_vector_number"); |
10 | reyssat | 1213 | return; |
1214 | } |
||
1215 | matrices_pavage[nummatrix][0] = pm->pd[1]; |
||
1216 | matrices_pavage[nummatrix][1] = pm->pd[2]; |
||
1217 | matrices_pavage[nummatrix][2] = pm->pd[3]; |
||
1218 | matrices_pavage[nummatrix][3] = pm->pd[4]; |
||
1219 | vecteurs_pavage[nummatrix][0] = pm->pd[5]; |
||
1220 | vecteurs_pavage[nummatrix][1] = pm->pd[6]; |
||
1221 | } |
||
1222 | |||
1223 | |||
7615 | bpr | 1224 | /* arguments: un numero de matrice entre 1 et JC_NB_MATRICES */ |
10 | reyssat | 1225 | void obj_resettransform(objparm *pm) |
1226 | { |
||
1227 | int nummatrix = (int) (pm->pd[0]); |
||
1228 | if((nummatrix < 1) ||(nummatrix>JC_NB_MATRICES)) { |
||
8195 | bpr | 1229 | fly_error("bad_vector_number"); |
10 | reyssat | 1230 | return; |
1231 | } |
||
1232 | vecteurs_pavage[nummatrix][0] = 0; |
||
1233 | vecteurs_pavage[nummatrix][1] = 0; |
||
1234 | matrices_pavage[nummatrix][0] = 1; |
||
1235 | matrices_pavage[nummatrix][1] = 0; |
||
1236 | matrices_pavage[nummatrix][2] = 0; |
||
1237 | matrices_pavage[nummatrix][3] = 1; |
||
1238 | } |
||
1239 | |||
7615 | bpr | 1240 | /* arguments: une liste de 6 nombres reels pour les coordonnees de l'origine et des vecteurs de base */ |
10 | reyssat | 1241 | void obj_setparallelogram(objparm *pm) |
1242 | { |
||
1243 | int i; |
||
1244 | for(i=0;i<6;i++) parallogram_fonda[i]=pm->pd[i]; |
||
1245 | } |
||
1246 | |||
1247 | /* arguments :aucun */ |
||
1248 | void obj_resetparallelogram(objparm *pm) |
||
1249 | { |
||
1250 | parallogram_fonda[0]=0; |
||
1251 | parallogram_fonda[1]=0; |
||
1252 | parallogram_fonda[2]=100; |
||
1253 | parallogram_fonda[3]=0; |
||
1254 | parallogram_fonda[4]=0; |
||
1255 | parallogram_fonda[5]=100; |
||
1256 | } |
||
1257 | |||
1258 | /* argument : la liste des numeros des matrices a faire agir, le nom du fichier de l'image a inclure */ |
||
1259 | void obj_multicopy(objparm *pm) |
||
1260 | { |
||
12473 | bpr | 1261 | char *pp,*pe,*cptr; |
1262 | FILE *inf; |
||
1263 | gdImagePtr insimg; |
||
1264 | int i,j; |
||
1265 | int imax,jmax; |
||
1266 | int c; /* la couleur reperee */ |
||
1267 | int mat; |
||
1268 | int nummatrices[JC_NB_MATRICES]; |
||
1269 | double pt[2]; /* les coordonnees math. du point repere dans le parallelogramme */ |
||
1270 | double ptr[2]; /* les coordonnees math. du point transforme */ |
||
1271 | int pti[2]; /* les coordonnees img du point a placer sur le canevas */ |
||
1272 | int t; |
||
1273 | /* gestion palette de couleur de l'image a inserer */ |
||
1274 | int colorMap[gdMaxColors]; |
||
1275 | int comptmat=0; /* combien de matrices en tout ? */ |
||
7615 | bpr | 1276 | |
12473 | bpr | 1277 | for (i=0; (i<gdMaxColors); i++) { |
1278 | colorMap[i] = (-1); |
||
1279 | } |
||
10 | reyssat | 1280 | |
12473 | bpr | 1281 | /* Gestion des parametres la liste est censee finir avec le nom du fichier */ |
1282 | t=pm->pcnt-1; /* il faut enlever le nom de fichier ! c'est le nombre de parametres en plus */ |
||
1283 | pp=find_word_start(pm->str); |
||
1284 | /* visiblement find_word_start n'arrive pas a trouver le dernier mot dans un contexte ou le nombre de parameters est variable |
||
10 | reyssat | 1285 | * on cherche donc l'emplacement de la derniere virgule: |
1286 | * il y en a une car t>0, on retrouve ensuite le debut de mot |
||
1287 | */ |
||
12473 | bpr | 1288 | for(pe=pp;*pe!=0;pe++);/* trouve la fin de la chaine */ |
1289 | if(t>0){ |
||
1290 | for(cptr = pe; cptr > pp && *cptr != ','; cptr--); |
||
1291 | pp=find_word_start(cptr+1); |
||
1292 | } |
||
1293 | pe=find_word_end(pp);*pe=0; /* strip junk final */ |
||
1294 | // printf("pp contient %s\n",pp); |
||
10 | reyssat | 1295 | |
1296 | |||
12473 | bpr | 1297 | inf=open4read(pp); |
1298 | if(inf==NULL) { |
||
1299 | fly_error("file_not_exist"); return; |
||
1300 | } |
||
1301 | insimg=gdImageCreateFromGif(inf); fclose(inf); |
||
1302 | if(insimg==NULL) { |
||
1303 | fly_error("bad_gif"); return; |
||
1304 | } |
||
10 | reyssat | 1305 | |
12473 | bpr | 1306 | /* On recupere les numeros des matrices/vecteurs a faire agir, |
1307 | * s'il n'y en a pas, on les fait toutes agir |
||
1308 | */ |
||
1309 | for(i=0;i<t && i< JC_NB_MATRICES;i++) { |
||
1310 | if(pm->pd[i]>=1 && pm->pd[i]<=JC_NB_MATRICES){ |
||
1311 | nummatrices[comptmat] = pm->pd[i]; |
||
1312 | comptmat++; |
||
10 | reyssat | 1313 | } |
12473 | bpr | 1314 | } |
1315 | if(t<=0){ |
||
1316 | for(i=0;i<JC_NB_MATRICES;i++) { |
||
1317 | nummatrices[i] = i+1; |
||
10 | reyssat | 1318 | } |
12473 | bpr | 1319 | comptmat=JC_NB_MATRICES; |
1320 | } |
||
10 | reyssat | 1321 | |
7615 | bpr | 1322 | |
12473 | bpr | 1323 | imax = gdImageSX(insimg); |
1324 | jmax = gdImageSY(insimg); |
||
10 | reyssat | 1325 | |
12473 | bpr | 1326 | for(i=0;i<imax;i++){ |
1327 | for(j=0;j<jmax;j++){ |
||
1328 | int nc; |
||
1329 | c=gdImageGetPixel(insimg,i,j); |
||
1330 | /* Le code suivant est une copie du code dans gdImageCopy Added 7/24/95: support transparent copies */ |
||
1331 | if (gdImageGetTransparent(insimg) != c) { |
||
1332 | /* Have we established a mapping for this color? */ |
||
1333 | if (colorMap[c] == (-1)) { |
||
1334 | /* If it's the same image, mapping is trivial, dans notre cas ca n'arrive jamais... */ |
||
1335 | if (image == insimg) { |
||
1336 | nc = c; |
||
1337 | } else { |
||
1338 | /* First look for an exact match */ |
||
1339 | nc = gdImageColorExact(image, |
||
1340 | insimg->red[c], insimg->green[c], |
||
1341 | insimg->blue[c]); |
||
1342 | } |
||
1343 | if (nc == (-1)) { |
||
1344 | /* No, so try to allocate it */ |
||
1345 | nc = gdImageColorAllocate(image, |
||
1346 | insimg->red[c], insimg->green[c], |
||
7675 | bpr | 1347 | insimg->blue[c]); |
12473 | bpr | 1348 | /* If we're out of colors, go for the closest color */ |
1349 | if (nc == (-1)) { |
||
1350 | nc = gdImageColorClosest(image, |
||
7675 | bpr | 1351 | insimg->red[c], insimg->green[c], |
1352 | insimg->blue[c]); |
||
12473 | bpr | 1353 | } |
1354 | } |
||
1355 | colorMap[c] = nc; |
||
1356 | } |
||
10 | reyssat | 1357 | |
12473 | bpr | 1358 | pt[0]= i*(parallogram_fonda[2])/(imax-1)+(jmax-j)*(parallogram_fonda[4])/(jmax-1)+parallogram_fonda[0]; |
1359 | pt[1]= i*(parallogram_fonda[3])/(imax-1)+(jmax-j)*(parallogram_fonda[5])/(jmax-1)+parallogram_fonda[1]; |
||
1360 | for(mat=0;mat<comptmat;mat++){ |
||
7675 | bpr | 1361 | double *matricecourante = matrices_pavage[nummatrices[mat]]; |
1362 | double *vecteurcourant = vecteurs_pavage[nummatrices[mat]]; |
||
1363 | ptr[0] = matricecourante[0]*pt[0]+matricecourante[1]*pt[1]+vecteurcourant[0]; |
||
1364 | ptr[1] = matricecourante[2]*pt[0]+matricecourante[3]*pt[1]+vecteurcourant[1]; |
||
1365 | scale(ptr,pti,1); |
||
1366 | gdImageSetPixel(image,pti[0],pti[1],colorMap[c]); |
||
12473 | bpr | 1367 | } |
10 | reyssat | 1368 | } |
1369 | } |
||
12473 | bpr | 1370 | } |
1371 | gdImageDestroy(insimg); |
||
10 | reyssat | 1372 | } |
1373 | |||
1374 | /**** Fin modifs JC Fev 06 ******/ |
||
1375 | |||
7675 | bpr | 1376 | /* get color from value */ |
10 | reyssat | 1377 | int calc_color(char *p, struct objtab *o) |
1378 | { |
||
12473 | bpr | 1379 | int k, cc[3]; |
1380 | char buf[MAX_LINELEN+1]; |
||
1381 | for(k=0;k<3;k++) { |
||
1382 | fnd_item(p,k+1,buf); |
||
1383 | cc[k]=strevalue(buf); |
||
1384 | } |
||
1385 | collapse_item(p,3); |
||
1386 | if(cc[0]==-1 && cc[1]==-1 && cc[2]==-255) { |
||
10 | reyssat | 1387 | |
12473 | bpr | 1388 | if(brushed && o->subst&1) return gdBrushed; |
1389 | else return color_black; |
||
1390 | } |
||
1391 | if(cc[0]==-1 && cc[1]==-255 && cc[2]==-1) { |
||
1392 | if(styled && o->subst&2) return gdStyled; |
||
1393 | else return color_black; |
||
1394 | } |
||
1395 | if(cc[0]==-255 && cc[1]==-1 && cc[2]==-1) { |
||
1396 | if(tiled && o->fill_tag==1) return gdTiled; |
||
1397 | else return color_black; |
||
1398 | } |
||
1399 | return getcolor(cc[0],cc[1],cc[2]); |
||
10 | reyssat | 1400 | } |
1401 | |||
7675 | bpr | 1402 | /* Routine to parse parameters */ |
10 | reyssat | 1403 | int parse_parms(char *p,objparm *pm,struct objtab *o) |
1404 | { |
||
12473 | bpr | 1405 | char buf[MAX_LINELEN+1]; |
1406 | char *p1, *p2; |
||
1407 | int j,t,c,c1,c2; |
||
7615 | bpr | 1408 | |
12473 | bpr | 1409 | c=o->color_pos;c1=c2=0; |
1410 | pm->color[0]=pm->color[1]=0; |
||
1411 | if(c>0) c1=c; |
||
1412 | if(c<0) c2=-c; |
||
1413 | c=c1+c2; |
||
1414 | t=itemnum(p);if(t<o->required_parms+3*c) return -1; |
||
1415 | if(c1>0 && t>o->required_parms+3*c) t=o->required_parms+3*c; |
||
1416 | pm->pcnt=t-3*c; |
||
1417 | if(pm->pcnt>MAX_PARMS) pm->pcnt=MAX_PARMS; |
||
1418 | if(c2>0) { |
||
1419 | for(j=0;j<2 && j<c2; j++) pm->color[j]=calc_color(p,o); |
||
1420 | } |
||
1421 | snprintf(buf,sizeof(buf),"%s",p); |
||
1422 | for(j=0, p1=buf; j<pm->pcnt; j++, p1=p2) { |
||
1423 | p2=find_item_end(p1); if(*p2) *p2++=0; |
||
1424 | p1=find_word_start(p1); |
||
1425 | if(*p1) pm->pd[j]=strevalue(p1); else pm->pd[j]=0; |
||
1426 | if(!isfinite(pm->pd[j])) { |
||
1427 | if(j<o->required_parms) return -1; |
||
1428 | else {pm->pd[j]=0;break;} |
||
10 | reyssat | 1429 | } |
12473 | bpr | 1430 | } |
1431 | collapse_item(p,o->required_parms); |
||
1432 | if(c1>0) { |
||
1433 | for(j=0;j<c1 && j<2; j++) pm->color[j]=calc_color(p,o); |
||
1434 | } |
||
1435 | if(width>1 && o->subst&1 && pm->color[0]!=gdBrushed |
||
1436 | && pm->color[0]!=gdStyled && pm->color[0]!=gdTiled) { |
||
1437 | pm->color[1]=pm->color[0]; |
||
1438 | pm->color[0]=widthcolor(width,pm->color[0]); |
||
1439 | } |
||
1440 | pm->fill=o->fill_tag; |
||
1441 | ovlstrcpy(pm->str,p); return 0; |
||
10 | reyssat | 1442 | } |
1443 | |||
8068 | bpr | 1444 | /* Create the struct objparm pm corresponding to the objparm p |
1445 | * Execute a command. Returns 0 if OK. |
||
1446 | */ |
||
10 | reyssat | 1447 | int obj_main(char *p) |
1448 | { |
||
12473 | bpr | 1449 | int i; |
1450 | char *pp,*name,*pt; |
||
1451 | char tbuf2[MAX_LINELEN+1]; |
||
1452 | struct objparm pm; |
||
10 | reyssat | 1453 | |
12473 | bpr | 1454 | p=find_word_start(p); |
1455 | if(*p==exec_prefix_char || *p==0) return 0; /* comment */ |
||
1456 | name=p; |
||
1457 | pp=find_name_end(p); |
||
1458 | pt=find_word_start(pp); if(*pt=='=') *pt=' '; |
||
1459 | if(*pt==':' && *(pt+1)=='=') *pt=*(pt+1)=' '; |
||
1460 | pp=find_word_end(p); |
||
1461 | if(*pp!=0) { |
||
1462 | *(pp++)=0; pp=find_word_start(pp); |
||
1463 | } |
||
1464 | if(strlen(p)==1 || (strlen(p)==2 && isdigit(*(p+1)))) { |
||
1465 | setvar(p,strevalue(pp)); return 0; |
||
1466 | } |
||
1467 | /* search the number of the object */ |
||
1468 | i=search_list(objtab,obj_no,sizeof(objtab[0]),name); |
||
1469 | if(i<0) { |
||
1470 | fly_error("bad_cmd"); return 1; |
||
1471 | } |
||
1472 | if(image==NULL && (objtab[i].color_pos || objtab[i].required_parms>2)) { |
||
1473 | fly_error("image_not_defined"); return 1; |
||
1474 | } |
||
1475 | ovlstrcpy(tbuf2,pp); |
||
1476 | if(objtab[i].color_pos || objtab[i].routine==obj_setstyle) { |
||
1477 | substit(tbuf2); |
||
1478 | } |
||
1479 | if(parse_parms(tbuf2,&pm,objtab+i)!=0) fly_error("bad_parms"); |
||
1480 | else objtab[i].routine(&pm); |
||
1481 | return 0; |
||
10 | reyssat | 1482 | } |