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17599 | bpr | 1 | /* CopyrOAight (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 |
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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 */ |
17599 | bpr | 22 | |
17608 | bpr | 23 | static char *tikz_color (int the_color) |
24 | { |
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25 | static char buf[50]; |
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26 | int r=gdImageRed(image,the_color); |
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27 | int g=gdImageGreen(image,the_color); |
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28 | int b=gdImageBlue(image,the_color); |
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29 | sprintf(buf, "{rgb,255:red,%i;green,%i;blue,%i}",r,g,b); |
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30 | return buf; |
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31 | } |
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32 | |||
17574 | bpr | 33 | static char *tikz_options (int the_color, int the_fill) |
34 | { |
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35 | static char buf[100]; |
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36 | if (the_color == gdBrushed) |
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37 | the_color = tikz_brushColor; |
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17608 | bpr | 38 | sprintf (buf, "draw=%s,cap=round",tikz_color(the_color)); |
17574 | bpr | 39 | if (the_color != tikz_brushColor) strcat(buf, ",thin"); |
40 | if (the_fill == -1) strcat(buf, ",dashed"); |
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41 | if (the_fill == 1) |
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17608 | bpr | 42 | sprintf(buf+strlen(buf), ",fill=%s", tikz_color(the_color)); |
17574 | bpr | 43 | return buf; |
44 | } |
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45 | |||
46 | #define flip(y) (sizey-(y)) |
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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); |
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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); |
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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){ |
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65 | /** |
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66 | * emulates gdImageDashedLine with gdImageSetStyle and gdImageLine |
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67 | * GK: As gdImageDashedLine is slightly broken in latest libgd libraries, |
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68 | * GK: I implemented an emulation named "myDashedLine" |
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69 | **/ |
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70 | |||
71 | int styleDashed[DASHPIXELS],i; |
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72 | for (i=0; i< DASHPIXELS/2; i++) styleDashed[i]=color; |
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73 | for (; i< DASHPIXELS; i++) styleDashed[i]=gdTransparent; |
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74 | gdImageSetStyle(im, styleDashed, DASHPIXELS); |
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75 | gdImageLine(im, x1, y1, x2, y2, gdStyled); |
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76 | } |
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77 | |||
78 | |||
7675 | bpr | 79 | /* File opening: with security */ |
10 | reyssat | 80 | FILE *open4read(char *n) |
81 | { |
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12473 | bpr | 82 | char *p, *p1, *p2, namebuf[2048]; |
83 | int t; |
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84 | FILE *f; |
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85 | n=find_word_start(n); |
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86 | if(*n==0) return NULL; |
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87 | p=getenv("flydraw_filebase"); |
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88 | p1=n+strlen(n)-4;if(p1<n || strcasecmp(p1,".gif")!=0) t=1; else t=0; |
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89 | if(p!=NULL && *p!=0) { |
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90 | char pbuf[MAX_LINELEN+1]; |
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91 | snprintf(pbuf,sizeof(pbuf),"%s",p); |
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92 | p=find_word_start(pbuf); if(strstr(p,"..")!=NULL) return NULL; |
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93 | if(*n=='/' || strstr(n,"..")!=NULL) return NULL; |
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94 | /* prohibit unusual file/dir names */ |
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95 | for(p1=p;*p1;p1++) |
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96 | if(!isalnum(*p1) && !isspace(*p1) && strchr("~_-/.",*p1)==NULL) |
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97 | return NULL; |
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98 | for(p1=n;*p1;p1++) |
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99 | if(!isalnum(*p1) && !isspace(*p1) && strchr("~_-/.",*p1)==NULL) |
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100 | return NULL; |
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101 | f=NULL; |
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102 | for(p1=p; *p1; p1=find_word_start(p2)) { |
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103 | p2=find_word_end(p1); |
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104 | if(*p2) *p2++=0; |
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105 | snprintf(namebuf,sizeof(namebuf),"%s/%s",p1,n); |
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106 | f=fopen(namebuf,"r"); if(f!=NULL) goto imgtype; |
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10 | reyssat | 107 | } |
12473 | bpr | 108 | p1=getenv("w_wims_session"); |
109 | if(p1!=NULL && strncmp(n,"insert",6)==0) { |
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110 | snprintf(namebuf,sizeof(namebuf),"../s2/%s/%s",p1,n); |
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7675 | bpr | 111 | f=fopen(namebuf,"r"); |
10 | reyssat | 112 | } |
12473 | bpr | 113 | } |
114 | else { |
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115 | snprintf(namebuf,sizeof(namebuf),"%s",n); |
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116 | f=fopen(namebuf,"r"); |
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117 | } |
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118 | imgtype: |
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119 | if(t && f!=NULL) { |
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120 | char tbuf[1024],sbuf[4096]; |
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121 | fclose(f); f=NULL; |
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122 | p1=getenv("TMPDIR"); if(p1==NULL || *p1==0) p1="."; |
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123 | snprintf(tbuf,sizeof(tbuf),"%s/drawfile_.gif",p1); |
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124 | snprintf(sbuf,sizeof(sbuf),"convert %s %s",namebuf,tbuf); |
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125 | if (system(sbuf)) fly_error("system_failed"); |
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126 | f=fopen(tbuf,"r"); |
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127 | } |
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128 | return f; |
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10 | reyssat | 129 | } |
130 | |||
7675 | bpr | 131 | /* Does nothing; just a comment. */ |
10 | reyssat | 132 | void obj_comment(objparm *pm) |
133 | { |
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12473 | bpr | 134 | return; |
10 | reyssat | 135 | } |
136 | |||
7675 | bpr | 137 | /* define image size */ |
10 | reyssat | 138 | void obj_size(objparm *pm) |
139 | { |
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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) { |
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142 | fly_error("bad_size"); return; |
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143 | } |
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144 | if(image!=NULL) { |
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145 | fly_error("size_already_defined"); return; |
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146 | } |
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147 | image=gdImageCreate(sizex,sizey); |
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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 { |
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151 | color_white=gdImageColorAllocate(image,255,255,255); |
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152 | color_black=gdImageColorAllocate(image,0,0,0); |
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153 | color_bounder=gdImageColorAllocate(image,1,2,3); |
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154 | color_frame=gdImageColorAllocate(image,254,254,254); |
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155 | } |
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10 | reyssat | 156 | } |
157 | |||
7675 | bpr | 158 | /* new image */ |
10 | reyssat | 159 | void obj_new(objparm *pm) |
160 | { |
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12473 | bpr | 161 | if(image) { |
162 | gdImageDestroy(image);image=NULL; |
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163 | } |
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164 | if(pm->pcnt>=2) { obj_size(pm); gdImageRectangle(image,0,0,sizex-1,sizey-1,color_frame);} |
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165 | else sizex=sizey=0; |
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166 | saved=0; |
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10 | reyssat | 167 | } |
168 | |||
7675 | bpr | 169 | /* new image */ |
10 | reyssat | 170 | void obj_existing(objparm *pm) |
171 | { |
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12473 | bpr | 172 | FILE *inf; |
173 | char *pp; |
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7615 | bpr | 174 | |
12473 | bpr | 175 | if(image) { |
176 | gdImageDestroy(image);image=NULL; |
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177 | } |
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178 | pp=find_word_start(pm->str);*find_word_end(pp)=0; |
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179 | inf=open4read(pp); |
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180 | if(inf==NULL) { |
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181 | fly_error("file_not_exist"); return; |
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182 | } |
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183 | image=gdImageCreateFromGif(inf); fclose(inf); |
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184 | if(image==NULL) { |
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185 | fly_error("bad_gif"); return; |
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186 | } |
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187 | sizex=image->sx; sizey=image->sy; |
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188 | saved=0; |
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10 | reyssat | 189 | } |
190 | |||
7675 | bpr | 191 | /* solid line */ |
10 | reyssat | 192 | void obj_line(objparm *pm) |
193 | { |
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12473 | bpr | 194 | scale(pm->pd,pm->p,2); |
195 | gdImageLine(image,pm->p[0],pm->p[1],pm->p[2],pm->p[3],pm->color[0]); |
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17574 | bpr | 196 | if (tikz_file) |
197 | fprintf(tikz_file, "\\draw\[%s] (%i, %i) -- (%i, %i);\n", |
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198 | 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 | 199 | if(vimg_enable) vimg_line(scale_buf[0],scale_buf[1],scale_buf[2],scale_buf[3]); |
10 | reyssat | 200 | } |
201 | |||
1024 | bpr | 202 | void _obj_arrow(objparm *pm, int twoside) |
10 | reyssat | 203 | { |
12473 | bpr | 204 | int l,xx,yy; |
205 | gdPoint ii[3]; |
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206 | double dx,dy,length,dd[6]; |
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207 | scale(pm->pd,pm->p,2); |
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208 | xx=ii[0].x=pm->p[2];yy=ii[0].y=pm->p[3]; |
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209 | l=pm->pd[4];if(l<0) l=0; if(l>200) l=200; |
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210 | scale2(pm->pd[0]-pm->pd[2],pm->pd[1]-pm->pd[3],&dx,&dy); |
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211 | length=sqrt(dx*dx+dy*dy); |
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212 | if(length<3 || l<5) goto stem; |
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213 | dd[0]=l*dx/length; dd[1]=l*dy/length; |
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214 | #define fat 0.27 |
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215 | dd[2]=dd[0]+dd[1]*fat; dd[3]=dd[1]-dd[0]*fat; |
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216 | dd[4]=dd[0]-dd[1]*fat; dd[5]=dd[1]+dd[0]*fat; |
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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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219 | gdImageFilledPolygon(image, ii,3,pm->color[0]); |
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17578 | bpr | 220 | if(tikz_file) |
221 | fprintf(tikz_file, "\\draw\[%s] (%i, %i) -- (%i, %i) -- (%i, %i) -- cycle;\n", |
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222 | 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)); |
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223 | if(vimg_enable) vimg_polyline(scale_buf,3,1); |
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12473 | bpr | 224 | xx=rint(dd[0])+ii[0].x;yy=rint(dd[1])+ii[0].y; |
225 | if(twoside) { |
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226 | ii[0].x=pm->p[0]; ii[0].y=pm->p[1]; |
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227 | ii[1].x=-rint(dd[2])+ii[0].x; ii[1].y=-rint(dd[3])+ii[0].y; |
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228 | ii[2].x=-rint(dd[4])+ii[0].x; ii[2].y=-rint(dd[5])+ii[0].y; |
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8163 | bpr | 229 | gdImageFilledPolygon(image, ii,3,pm->color[0]); |
17578 | bpr | 230 | if(tikz_file) |
231 | fprintf(tikz_file, "\\draw\[%s] (%i, %i) -- (%i, %i) -- (%i, %i) -- cycle;\n", |
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232 | 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)); |
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12473 | bpr | 233 | } |
234 | stem: if(pm->fill) |
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235 | myDashedLine(image,pm->p[0],pm->p[1],xx,yy,pm->color[0]); |
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236 | else |
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237 | gdImageLine(image,pm->p[0],pm->p[1],xx,yy,pm->color[0]); |
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17578 | bpr | 238 | if(tikz_file) |
239 | fprintf(tikz_file, "\\draw\[%s] (%i, %i) -- (%i, %i);\n", |
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17584 | bpr | 240 | tikz_options(pm->color[0],pm->fill),pm->p[0],flip(pm->p[1]),xx,flip(yy)); |
12473 | bpr | 241 | if(vimg_enable) vimg_line(scale_buf[0],scale_buf[1],scale_buf[2],scale_buf[3]); |
10 | reyssat | 242 | } |
243 | |||
7675 | bpr | 244 | /* Arrow */ |
1024 | bpr | 245 | void obj_arrow(objparm *pm) |
246 | { |
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12473 | bpr | 247 | _obj_arrow(pm,0); |
1024 | bpr | 248 | } |
249 | |||
7675 | bpr | 250 | /* 2-sided arrow */ |
1024 | bpr | 251 | void obj_arrow2(objparm *pm) |
252 | { |
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12473 | bpr | 253 | _obj_arrow(pm,1); |
1024 | bpr | 254 | } |
255 | |||
7675 | bpr | 256 | /* horizontal line */ |
10 | reyssat | 257 | void obj_hline(objparm *pm) |
258 | { |
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12473 | bpr | 259 | scale(pm->pd,pm->p,1); |
260 | if(pm->fill) |
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261 | myDashedLine(image,0,pm->p[1],sizex,pm->p[1],pm->color[0]); |
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262 | else |
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263 | gdImageLine(image,0,pm->p[1],sizex,pm->p[1],pm->color[0]); |
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17574 | bpr | 264 | if (tikz_file) |
265 | fprintf(tikz_file, "\\draw\[%s] (%i, %i) -- (%i, %i);\n", |
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266 | tikz_options(pm->color[0],pm->fill),0,flip(pm->p[1]),sizex,flip(pm->p[1])); |
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10 | reyssat | 267 | } |
268 | |||
17574 | bpr | 269 | /* tikzfile */ |
270 | void obj_tikzfile(objparm *pm) |
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271 | { |
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272 | char *p; |
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273 | if(tikz_file){ |
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274 | fprintf(tikz_file,"\\end{tikzpicture}\n\\end{document}\n"); |
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275 | fclose(tikz_file); |
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276 | } |
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277 | p=find_word_start(pm->str); *find_word_end(p)=0; |
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278 | snprintf(tikzfilename,sizeof(tikzfilename),"%s",p); |
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279 | tikz_file=fopen(tikzfilename,"w"); |
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280 | if(!tikz_file) |
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281 | fly_error("tikz_nopen"); |
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17608 | bpr | 282 | fprintf(tikz_file,"\\documentclass\[11pt,a5paper]{article}\n\\usepackage{tikz}\\usepackage{geometry}\\geometry{paperheight=320px,\npaperwidth=320px, \ntop=10px, \nleft=2px, \nbottom=2px, \nright=2px,\n}\\pagestyle{empty}\n\\begin{document}\n\\begin{tikzpicture}\[scale=0.0254]\n"); |
17574 | bpr | 283 | } |
284 | |||
7675 | bpr | 285 | /* vertical line */ |
10 | reyssat | 286 | void obj_vline(objparm *pm) |
287 | { |
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12473 | bpr | 288 | scale(pm->pd,pm->p,1); |
289 | if(pm->fill) |
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290 | myDashedLine(image,pm->p[0],0,pm->p[0],sizey,pm->color[0]); |
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291 | else |
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292 | gdImageLine(image,pm->p[0],0,pm->p[0],sizey,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],pm->fill),pm->p[0],0,pm->p[0],sizey); |
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10 | reyssat | 296 | } |
297 | |||
7675 | bpr | 298 | /* dashed line */ |
10 | reyssat | 299 | void obj_dline(objparm *pm) |
300 | { |
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12473 | bpr | 301 | scale(pm->pd,pm->p,2); |
302 | myDashedLine(image,pm->p[0],pm->p[1],pm->p[2],pm->p[3], pm->color[0]); |
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17574 | bpr | 303 | if (tikz_file) |
304 | fprintf(tikz_file, "\\draw\[%s] (%i, %i) -- (%i, %i);\n", |
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305 | tikz_options(pm->color[0],-1), |
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306 | pm->p[0],flip(pm->p[1]),pm->p[2],flip(pm->p[3])); |
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10 | reyssat | 307 | } |
308 | |||
7675 | bpr | 309 | /* parallel lines. |
310 | * x1,y1,x2,y2,xv,yv,n,color */ |
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10 | reyssat | 311 | void obj_parallel(objparm *pm) |
312 | { |
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12473 | bpr | 313 | int i, n, xi,yi; |
314 | double xv,yv; |
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315 | n=pm->pd[6]; if(n<0) return; if(n>256) n=256; |
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316 | scale(pm->pd,pm->p,3); |
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317 | scale2(pm->pd[4],pm->pd[5],&xv,&yv); |
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318 | for(i=0;i<n;i++) { |
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319 | xi=rint(i*xv); yi=rint(i*yv); |
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320 | gdImageLine(image,pm->p[0]+xi,pm->p[1]+yi,pm->p[2]+xi,pm->p[3]+yi, |
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321 | pm->color[0]); |
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17574 | bpr | 322 | if (tikz_file) |
323 | fprintf(tikz_file, "\\draw\[%s] (%i, %i) -- (%i, %i);\n", |
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324 | tikz_options(pm->color[0],pm->fill), |
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325 | pm->p[0]+xi,flip(pm->p[1]+yi),pm->p[2]+xi,flip(pm->p[3]+yi)); |
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12473 | bpr | 326 | if(vimg_enable) vimg_line(scale_buf[0]+i*(scale_buf[4]-transx), |
327 | scale_buf[1]+i*(scale_buf[5]-transy), |
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328 | scale_buf[2]+i*(scale_buf[4]-transx), |
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329 | scale_buf[3]+i*(scale_buf[5]-transy)); |
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330 | } |
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10 | reyssat | 331 | } |
332 | |||
7675 | bpr | 333 | /* rectangle */ |
10 | reyssat | 334 | void obj_rect(objparm *pm) |
335 | { |
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12473 | bpr | 336 | int x1,y1,x2,y2; |
337 | scale(pm->pd,pm->p,2); |
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338 | x1=min(pm->p[0],pm->p[2]); x2=max(pm->p[0],pm->p[2]); |
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339 | y1=min(pm->p[1],pm->p[3]); y2=max(pm->p[1],pm->p[3]); |
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340 | if(pm->fill) |
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341 | gdImageFilledRectangle(image,x1,y1,x2,y2,pm->color[0]); |
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342 | else |
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343 | gdImageRectangle(image,x1,y1,x2,y2,pm->color[0]); |
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17584 | bpr | 344 | if(tikz_file) |
345 | fprintf(tikz_file, |
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346 | "\\draw\[%s] (%i,%i) rectangle (%i,%i);\n", |
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347 | tikz_options(pm->color[0],pm->fill),x1,flip(y1),x2,flip(y2)); |
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12473 | bpr | 348 | if(vimg_enable) vimg_rect(scale_buf[0],scale_buf[1],scale_buf[2],scale_buf[3]); |
10 | reyssat | 349 | } |
350 | |||
7675 | bpr | 351 | /* square */ |
10 | reyssat | 352 | void obj_square(objparm *pm) |
353 | { |
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12473 | bpr | 354 | int w,h; |
355 | scale(pm->pd,pm->p,1); |
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356 | w=rint(pm->pd[2]); h=rint(pm->pd[2]); |
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357 | if(pm->fill) |
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358 | gdImageFilledRectangle(image,pm->p[0],pm->p[1], |
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359 | pm->p[0]+w,pm->p[1]+h,pm->color[0]); |
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360 | else |
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361 | gdImageRectangle(image,pm->p[0],pm->p[1], |
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362 | pm->p[0]+w,pm->p[1]+h,pm->color[0]); |
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17574 | bpr | 363 | if(tikz_file){ |
364 | fprintf(tikz_file, |
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365 | "\\draw\[%s] (%i,%i) rectangle (%i,%i);\n", |
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366 | tikz_options(pm->color[0],pm->fill),pm->p[0],flip(pm->p[1]), |
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367 | pm->p[0]+w,flip(pm->p[1]+h)); |
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368 | } |
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12473 | bpr | 369 | if(vimg_enable) vimg_rect(scale_buf[0],scale_buf[1], |
370 | scale_buf[0]+pm->pd[2],scale_buf[1]+pm->pd[2]); |
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10 | reyssat | 371 | } |
372 | |||
7675 | bpr | 373 | /* triangle */ |
10 | reyssat | 374 | void obj_triangle(objparm *pm) |
375 | { |
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12473 | bpr | 376 | scale(pm->pd,pm->p,3); |
377 | if(pm->fill) |
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378 | gdImageFilledPolygon(image,(gdPointPtr) pm->p,3,pm->color[0]); |
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379 | else |
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380 | gdImagePolygon(image,(gdPointPtr) pm->p,3,pm->color[0]); |
||
17574 | bpr | 381 | if (tikz_file) |
382 | fprintf(tikz_file, "\\draw\[%s] (%i, %i) -- (%i, %i) -- (%i, %i) -- cycle;\n", |
||
383 | 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 | 384 | if(vimg_enable) vimg_polyline(scale_buf,3,1); |
10 | reyssat | 385 | } |
386 | |||
7675 | bpr | 387 | /* polygon */ |
10 | reyssat | 388 | void obj_poly(objparm *pm) |
389 | { |
||
17574 | bpr | 390 | int cnt,i; |
12473 | bpr | 391 | cnt=(pm->pcnt)/2; |
392 | scale(pm->pd,pm->p,cnt); |
||
393 | if(pm->fill) |
||
394 | gdImageFilledPolygon(image,(gdPointPtr) pm->p,cnt,pm->color[0]); |
||
395 | else |
||
396 | gdImagePolygon(image,(gdPointPtr) pm->p,cnt,pm->color[0]); |
||
17574 | bpr | 397 | if(tikz_file) |
398 | for (i= 0; i<cnt; i++) |
||
399 | fprintf(tikz_file,"\\draw\[%s] (%i,%i)--(%i,%i);\n", |
||
400 | tikz_options(pm->color[0],pm->fill), |
||
401 | pm->p[2*i],flip(pm->p[2*i+1]), |
||
402 | pm->p[2*((i+1)%cnt)],flip(pm->p[2*((i+1)%cnt)+1])); |
||
12473 | bpr | 403 | if(vimg_enable) vimg_polyline(scale_buf,cnt,1); |
10 | reyssat | 404 | } |
405 | |||
7675 | bpr | 406 | /* rays */ |
10 | reyssat | 407 | void obj_rays(objparm *pm) |
408 | { |
||
12473 | bpr | 409 | int i, n; |
410 | n=(pm->pcnt)/2; |
||
411 | scale(pm->pd,pm->p,n); |
||
412 | for(i=2;i<2*n;i+=2) { |
||
413 | gdImageLine(image,pm->p[0],pm->p[1],pm->p[i],pm->p[i+1],pm->color[0]); |
||
17574 | bpr | 414 | if (tikz_file) |
415 | fprintf(tikz_file, "\\draw\[%s] (%i, %i) -- (%i, %i);\n", |
||
416 | tikz_options(pm->color[0],pm->fill),pm->p[0],flip(pm->p[1]),pm->p[i],flip(pm->p[i+1])); |
||
12473 | bpr | 417 | if(vimg_enable) vimg_line(scale_buf[0],scale_buf[1], |
418 | scale_buf[i],scale_buf[i+1]); |
||
419 | } |
||
10 | reyssat | 420 | } |
8414 | bpr | 421 | /* crosshair */ |
422 | void obj_crosshair(objparm *pm) |
||
423 | { |
||
12473 | bpr | 424 | scale(pm->pd,pm->p,2); |
425 | gdImageLine(image,pm->p[0]+width2,pm->p[1]+width2,pm->p[0]-width2,pm->p[1]-width2,pm->color[0]); |
||
426 | gdImageLine(image,pm->p[0]-width2,pm->p[1]+width2,pm->p[0]+width2,pm->p[1]-width2,pm->color[0]); |
||
17574 | bpr | 427 | if (tikz_file){ |
428 | fprintf(tikz_file, "\\draw\[%s] (%i, %i) -- (%i, %i);\n", |
||
429 | 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)); |
||
430 | fprintf(tikz_file, "\\draw\[%s] (%i, %i) -- (%i, %i);\n", |
||
431 | 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)); |
||
432 | } |
||
8414 | bpr | 433 | } |
434 | /* crosshairs */ |
||
10 | reyssat | 435 | |
8414 | bpr | 436 | void obj_crosshairs(objparm *pm) |
437 | { |
||
12473 | bpr | 438 | int i, n; |
439 | n=(pm->pcnt)/2; |
||
440 | scale(pm->pd,pm->p,n); |
||
441 | for(i=0;i<2*n;i+=2) { |
||
442 | gdImageLine(image,pm->p[i]+width2,pm->p[i+1]+width2,pm->p[i]-width2,pm->p[i+1]-width2,pm->color[0]); |
||
443 | 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 | 444 | if (tikz_file){ |
445 | fprintf(tikz_file, "\\draw\[%s] (%i, %i) -- (%i, %i);\n", |
||
446 | 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)); |
||
447 | fprintf(tikz_file, "\\draw\[%s] (%i, %i) -- (%i, %i);\n", |
||
448 | 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)); |
||
449 | } |
||
12473 | bpr | 450 | } |
8414 | bpr | 451 | } |
452 | |||
453 | |||
7675 | bpr | 454 | /* segments */ |
10 | reyssat | 455 | void obj_lines(objparm *pm) |
456 | { |
||
12473 | bpr | 457 | int i, n; |
458 | n=(pm->pcnt)/2; |
||
459 | scale(pm->pd,pm->p,n); |
||
17574 | bpr | 460 | for(i=2;i<2*n;i+=2){ |
12473 | bpr | 461 | gdImageLine(image,pm->p[i-2],pm->p[i-1],pm->p[i],pm->p[i+1],pm->color[0]); |
17574 | bpr | 462 | if (tikz_file){ |
463 | fprintf(tikz_file, "\\draw\[%s] (%i, %i) -- (%i, %i);\n", |
||
464 | tikz_options(pm->color[0],pm->fill),pm->p[i-2],flip(pm->p[i-1]),pm->p[i],flip(pm->p[i+1])); |
||
465 | } |
||
466 | if(vimg_enable) vimg_polyline(scale_buf,n,0); |
||
467 | } |
||
10 | reyssat | 468 | } |
16344 | bpr | 469 | /*segments from x1,y1 to x2,y2, x3,y3 to x4,y4, etc */ |
470 | void obj_segments(objparm *pm) |
||
471 | { |
||
472 | int i, n; |
||
473 | n=(pm->pcnt)/4; |
||
474 | scale(pm->pd,pm->p,2*n); |
||
17574 | bpr | 475 | for(i=0;i<4*n;i+=4){ |
16344 | bpr | 476 | gdImageLine(image,pm->p[i],pm->p[i+1],pm->p[i+2],pm->p[i+3],pm->color[0]); |
17574 | bpr | 477 | if (tikz_file){ |
478 | fprintf(tikz_file, "\\draw\[%s] (%i, %i) -- (%i, %i);\n", |
||
479 | tikz_options(pm->color[0],pm->fill),pm->p[i],flip(pm->p[i+1]),pm->p[i+2],flip(pm->p[i+3])); |
||
480 | } |
||
481 | } |
||
16344 | bpr | 482 | } |
7675 | bpr | 483 | /* segments */ |
10 | reyssat | 484 | void obj_dlines(objparm *pm) |
485 | { |
||
12473 | bpr | 486 | int i, n; |
487 | n=(pm->pcnt)/2; |
||
488 | scale(pm->pd,pm->p,n); |
||
489 | for(i=2;i<2*n;i+=2) |
||
490 | myDashedLine(image,pm->p[i-2],pm->p[i-1],pm->p[i],pm->p[i+1],pm->color[0]); |
||
17574 | bpr | 491 | if (tikz_file){ |
492 | fprintf(tikz_file, "\\draw\[%s] (%i, %i) -- (%i, %i);\n", |
||
493 | tikz_options(pm->color[0],pm->fill),pm->p[i-2],flip(pm->p[i-1]),pm->p[i],flip(pm->p[i+1])); |
||
494 | } |
||
12473 | bpr | 495 | if(vimg_enable) vimg_polyline(scale_buf,n,0); |
10 | reyssat | 496 | } |
497 | |||
7675 | bpr | 498 | /* points */ |
10 | reyssat | 499 | void obj_points(objparm *pm) |
500 | { |
||
12473 | bpr | 501 | int i, n; |
502 | n=(pm->pcnt)/2; |
||
503 | scale(pm->pd,pm->p,n); |
||
17574 | bpr | 504 | for(i=0;i<2*n;i+=2){ |
12473 | bpr | 505 | gdImageSetPixel(image,pm->p[i],pm->p[i+1],pm->color[0]); |
17574 | bpr | 506 | if(tikz_file) fprintf(tikz_file, "\\draw\[%s] (%i, %i) circle (0pt);\n", |
507 | tikz_options(pm->color[0],pm->fill),pm->p[i],flip(pm->p[i+1])); |
||
508 | } |
||
10 | reyssat | 509 | } |
510 | |||
7675 | bpr | 511 | /* lattice. |
512 | * x0,y0,xv1,yv1,xv2,yv2,n1,n2,color */ |
||
10 | reyssat | 513 | void obj_lattice(objparm *pm) |
514 | { |
||
12473 | bpr | 515 | int n1,n2,i1,i2,xi1,yi1,xi2,yi2; |
516 | double xv1,xv2,yv1,yv2; |
||
517 | n1=pm->pd[6];n2=pm->pd[7]; if(n1<0 || n2<0) return; |
||
518 | if(n1>256) n1=256; |
||
519 | if(n2>256) n2=256; |
||
520 | scale(pm->pd,pm->p,1); |
||
521 | scale2(pm->pd[2],pm->pd[3],&xv1,&yv1); |
||
522 | scale2(pm->pd[4],pm->pd[5],&xv2,&yv2); |
||
523 | for(i1=0;i1<n1;i1++) { |
||
524 | xi1=rint(i1*xv1)+pm->p[0]; yi1=rint(i1*yv1)+pm->p[1]; |
||
525 | for(i2=0;i2<n2;i2++) { |
||
526 | xi2=i2*xv2+xi1;yi2=i2*yv2+yi1; |
||
527 | gdImageSetPixel(image,xi2,yi2,pm->color[0]); |
||
17574 | bpr | 528 | if(tikz_file) fprintf(tikz_file,"\\draw[%s] (%i,%i) circle (0pt);\n", |
529 | tikz_options(pm->color[0],0),xi2,flip(yi2)); |
||
10 | reyssat | 530 | } |
12473 | bpr | 531 | } |
10 | reyssat | 532 | } |
533 | |||
7675 | bpr | 534 | /* arc */ |
10 | reyssat | 535 | void obj_arc(objparm *pm) |
536 | { |
||
12473 | bpr | 537 | scale(pm->pd,pm->p,1); |
538 | pm->p[2]=rint(pm->pd[2]*xscale); pm->p[3]=rint(pm->pd[3]*yscale); |
||
539 | gdImageArc(image,pm->p[0],pm->p[1],pm->p[2],pm->p[3], |
||
540 | pm->pd[4],pm->pd[5],pm->color[0]); |
||
17574 | bpr | 541 | if(tikz_file) { |
542 | fprintf(tikz_file, |
||
543 | "\\draw\[%s, domain=%f:%f] plot ({%i+%f*cos(\\x)}, {%i+%f*sin(\\x)});\n", |
||
544 | tikz_options(pm->color[0],pm->fill), |
||
545 | pm->pd[4],pm->pd[5],pm->p[0],pm->p[2]*0.5,flip(pm->p[1]),pm->p[3]*(-0.5)); |
||
546 | } |
||
547 | /*FIXME echelle mauvaise*/ |
||
12473 | bpr | 548 | if(vimg_enable) vimg_arc(scale_buf[0],scale_buf[1], |
549 | 0.5*pm->pd[2],0.5*pm->pd[3],pm->pd[4],pm->pd[5]); |
||
10 | reyssat | 550 | } |
551 | |||
7675 | bpr | 552 | /* Ellipse: centre 0,1, width 2, hight 3, color 4,5,6 */ |
10 | reyssat | 553 | void obj_ellipse(objparm *pm) |
554 | { |
||
12473 | bpr | 555 | scale(pm->pd,pm->p,1); |
556 | pm->p[2]=rint(pm->pd[2]*xscale); pm->p[3]=rint(pm->pd[3]*yscale); |
||
557 | if(pm->fill) { |
||
558 | gdImageArc(image,pm->p[0],pm->p[1],pm->p[2],pm->p[3],0,360, |
||
559 | color_bounder); |
||
560 | patchgdImageFillToBorder(image,pm->p[0],pm->p[1], |
||
561 | color_bounder,pm->color[0]); |
||
562 | } |
||
563 | gdImageArc(image,pm->p[0],pm->p[1],pm->p[2],pm->p[3],0,360,pm->color[0]); |
||
17574 | bpr | 564 | if(tikz_file) fprintf(tikz_file,"\\draw\[%s] (%i,%i) ellipse (%f and %f);\n\n", |
565 | tikz_options(pm->color[0],pm->fill),pm->p[0],flip(pm->p[1]),pm->p[2]/2.,pm->p[3]/2.); |
||
566 | if(vimg_enable) vimg_ellipse(scale_buf[0],scale_buf[1],0.5*pm->pd[2],0.5*pm->pd[3]); |
||
10 | reyssat | 567 | } |
568 | |||
7675 | bpr | 569 | /* Circle */ |
10 | reyssat | 570 | void obj_circle(objparm *pm) |
571 | { |
||
12473 | bpr | 572 | scale(pm->pd,pm->p,1); |
573 | pm->p[2]=rint(pm->pd[2]); pm->p[3]=rint(pm->pd[2]); |
||
574 | if(pm->fill) { |
||
575 | gdImageArc(image,pm->p[0],pm->p[1],pm->p[2],pm->p[3],0,360, |
||
576 | color_bounder); |
||
577 | patchgdImageFillToBorder(image,pm->p[0],pm->p[1], |
||
578 | color_bounder,pm->color[0]); |
||
579 | } |
||
580 | gdImageArc(image,pm->p[0],pm->p[1],pm->p[2],pm->p[3],0,360,pm->color[0]); |
||
17574 | bpr | 581 | if(tikz_file) fprintf(tikz_file, "\\draw\[%s] (%i, %i) circle (%f);\n", |
582 | tikz_options(pm->color[0],pm->fill),pm->p[0],flip(pm->p[1]),pm->p[2]/2.); |
||
10 | reyssat | 583 | } |
584 | |||
17599 | bpr | 585 | typedef enum tikz_fill_options {grille, points, hatch, dhatch} tfo; |
586 | int compar(const void *a, const void *b) {return *(int *)b - *(int *)a;} |
||
587 | |||
588 | void tikz_fill(int x, int y, int nx, int ny, int the_color, tfo opt) |
||
589 | { |
||
590 | char *to = tikz_options(the_color,1); |
||
591 | int numpix=sizex*sizey, top = 0, a, cy, lx, rx, seed, nt,ct=0, ct2=0; |
||
592 | int *stack = xmalloc(numpix*sizeof(int)); |
||
593 | int *stack2 = xmalloc(numpix*sizeof(int)); |
||
594 | if (nx==0) nx=1; if (ny==0) ny=1; nt = abs(nx*ny); |
||
595 | seed = gdImageGetPixel(image,x,y); |
||
596 | char *check = xmalloc(numpix); |
||
597 | while (numpix--) check[numpix]=0; |
||
598 | a=x+y*sizex; |
||
599 | check[a]=1; |
||
600 | stack[top++]=a; |
||
601 | while(top) |
||
602 | { |
||
603 | a = stack[--top]; |
||
604 | x = a%sizex; y = a/sizex; |
||
605 | if (gdImageGetPixel(image,x,y) != seed) continue; |
||
606 | if (x>0 && !check[a-1]) {check[a-1]=1; stack[top++]=a-1;} |
||
607 | if (x+1<sizex && !check[a+1]) {check[a+1]=1; stack[top++]=a+1;} |
||
608 | if (y>0 && !check[a-sizex]) {check[a-sizex]=1; stack[top++]=a-sizex;} |
||
609 | if (y+1<sizey && !check[a+sizex]) {check[a+sizex]=1; stack[top++]=a+sizex;} |
||
610 | switch(opt) |
||
611 | { |
||
612 | case grille: if(((x%nx)!=(nx/2))&&((y%ny)!=(ny/2))) continue; break; |
||
613 | case points: if(x%nx!=nx/2||y%ny!=ny/2) continue; break; |
||
614 | case hatch: if(abs((ny*x-nx*y)%nt)!=nt/2) continue; break; |
||
17608 | bpr | 615 | case dhatch: if((ny*x+nx*y)%nt!=nt/2 && abs((ny*x-nx*y)%nt)!=nt/2) continue; break; |
17599 | bpr | 616 | default: break; |
617 | } |
||
618 | stack2[ct++]=a; |
||
619 | } |
||
620 | free(stack); |
||
621 | free(check); |
||
622 | if (ct==0) return; |
||
623 | qsort(stack2, ct, sizeof(int), compar); |
||
624 | cy=-1; |
||
625 | while (ct--) |
||
626 | { |
||
627 | a = stack2[ct]; |
||
628 | x = a%sizex; y = a/sizex; |
||
629 | if (y != cy || x != rx+1) |
||
630 | { |
||
631 | if (cy >= 0) |
||
632 | fprintf(tikz_file, |
||
633 | "\\draw\[%s] (%.2f,%.2f) rectangle (%.2f,%.2f);\n", |
||
634 | to, lx-0.0,flip(cy-0.0),rx+0.0,flip(cy+0.0)); |
||
635 | cy = y; |
||
636 | lx = rx = x; |
||
637 | ct2++; |
||
638 | } |
||
639 | else |
||
640 | rx++; |
||
641 | } |
||
642 | fprintf(tikz_file, |
||
643 | "\\draw\[%s] (%.2f,%.2f) rectangle (%.2f,%.2f);\n", |
||
644 | to, lx-0.0,flip(cy-0.0),rx+0.0,flip(cy+0.0)); |
||
645 | free(stack2); |
||
646 | } |
||
647 | |||
7675 | bpr | 648 | /* flood fill */ |
10 | reyssat | 649 | void obj_fill(objparm *pm) |
650 | { |
||
12473 | bpr | 651 | scale(pm->pd,pm->p,1); |
17599 | bpr | 652 | if (tikz_file) tikz_fill(pm->p[0],pm->p[1],1,1,pm->color[0],grille); |
12473 | bpr | 653 | patchgdImageFill(image,pm->p[0],pm->p[1],pm->color[0]); |
10 | reyssat | 654 | } |
655 | |||
7675 | bpr | 656 | /* flood fill to border*/ |
10 | reyssat | 657 | void obj_fillb(objparm *pm) |
658 | { |
||
12473 | bpr | 659 | scale(pm->pd,pm->p,1); |
17599 | bpr | 660 | if (tikz_file) tikz_fill(pm->p[0],pm->p[1],1,1,pm->color[0],grille); |
12473 | bpr | 661 | patchgdImageFillToBorder(image,pm->p[0],pm->p[1],pm->color[0],pm->color[1]); |
10 | reyssat | 662 | } |
663 | |||
664 | gdImagePtr himg; |
||
665 | |||
666 | int makehatchimage(int x, int y, int px, int py, int col) |
||
667 | { |
||
12473 | bpr | 668 | int c1,c2,r,g,b; |
669 | gdImagePtr saveimg; |
||
670 | himg=gdImageCreate(x,y); |
||
671 | c1=gdImageGetPixel(image,px,py); |
||
672 | r=gdImageRed(image,c1); g=gdImageGreen(image,c1); b=gdImageBlue(image,c1); |
||
673 | if(r>=255) r--; else r++; if(g>=255) g--; else g++; if(b>=255) b--; else b++; |
||
674 | c1=gdImageColorAllocate(himg,r,g,b); |
||
675 | r=gdImageRed(image,col); g=gdImageGreen(image,col); b=gdImageBlue(image,col); |
||
676 | c2=gdImageColorAllocate(himg,r,g,b); |
||
677 | if(width>1) { |
||
678 | savew=-1; saveimg=image; |
||
679 | image=himg; c2=widthcolor(width,c2); image=saveimg; |
||
680 | c2=gdBrushed; savew=-1; |
||
681 | } |
||
682 | return c2; |
||
10 | reyssat | 683 | } |
684 | |||
7675 | bpr | 685 | /* flood fill with hatching */ |
10 | reyssat | 686 | void obj_hatchfill(objparm *pm) |
687 | { |
||
12473 | bpr | 688 | int nx,ny,ax,ay, dir, c; |
689 | scale(pm->pd,pm->p,1); |
||
690 | nx=pm->pd[2]; ny=pm->pd[3]; ax=abs(nx); ay=abs(ny); |
||
691 | if(nx==0 && ny==0) {fly_error("bad displacement vector"); return;} |
||
692 | if((nx>0 && ny>0) || (nx<0 && ny<0)) dir=1; else dir=-1; |
||
693 | if(ax==0) {ax=100; dir=2;} |
||
694 | if(ay==0) {ay=100; dir=3;} |
||
695 | c=makehatchimage(ax,ay,pm->p[0],pm->p[1],pm->color[0]); |
||
696 | switch(dir) { |
||
697 | case -1: { |
||
698 | gdImageLine(himg,0,ay-1,ax-1,0,c); |
||
699 | if(width>1) { |
||
700 | gdImageLine(himg,-ax,ay-1,-1,0,c); |
||
701 | gdImageLine(himg,ax,ay-1,2*ax-1,0,c); |
||
702 | gdImageLine(himg,0,-1,ax-1,-ay,c); |
||
703 | gdImageLine(himg,0,2*ay-1,ax-1,ay,c); |
||
7675 | bpr | 704 | } |
12473 | bpr | 705 | break; |
706 | } |
||
707 | case 1: { |
||
708 | gdImageLine(himg,0,0,ax-1,ay-1,c); |
||
709 | if(width>1) { |
||
710 | gdImageLine(himg,-ax,0,-1,ay-1,c); |
||
711 | gdImageLine(himg,ax,0,2*ax-1,ay-1,c); |
||
712 | gdImageLine(himg,0,-ay,ax-1,-1,c); |
||
713 | gdImageLine(himg,0,ay,ax-1,2*ay-1,c); |
||
7675 | bpr | 714 | } |
12473 | bpr | 715 | break; |
716 | } |
||
717 | case 2: gdImageLine(himg,0,ay/2,ax-1,ay/2,c); break; |
||
17574 | bpr | 718 | case 3: gdImageLine(himg,ax/2,0,ax/2,ay-1,c); break; |
12473 | bpr | 719 | } |
17599 | bpr | 720 | if (tikz_file) tikz_fill(pm->p[0],pm->p[1],nx,ny,pm->color[0],hatch); |
12473 | bpr | 721 | gdImageSetTile(image,himg); |
722 | patchgdImageFill(image,pm->p[0],pm->p[1],gdTiled); |
||
723 | gdImageDestroy(himg); |
||
724 | if(tiled) gdImageSetTile(image,tileimg); |
||
10 | reyssat | 725 | } |
726 | |||
7675 | bpr | 727 | /* flood fill with grid */ |
10 | reyssat | 728 | void obj_gridfill(objparm *pm) |
729 | { |
||
12473 | bpr | 730 | int nx,ny, c; |
731 | scale(pm->pd,pm->p,1); |
||
732 | nx=pm->pd[2]; ny=pm->pd[3]; nx=abs(nx); ny=abs(ny); |
||
733 | if(nx==0 && ny==0) {fly_error("bad grid size"); return;} |
||
734 | c=makehatchimage(nx,ny,pm->p[0],pm->p[1],pm->color[0]); |
||
17599 | bpr | 735 | if (tikz_file) tikz_fill(pm->p[0],pm->p[1],nx,ny,pm->color[0],grille); |
12473 | bpr | 736 | gdImageLine(himg,0,ny/2,nx-1,ny/2,c); gdImageLine(himg,nx/2,0,nx/2,ny-1,c); |
737 | gdImageSetTile(image,himg); |
||
738 | patchgdImageFill(image,pm->p[0],pm->p[1],gdTiled); |
||
739 | gdImageDestroy(himg); |
||
740 | if(tiled) gdImageSetTile(image,tileimg); |
||
10 | reyssat | 741 | } |
742 | |||
7675 | bpr | 743 | /* flood fill with double hatching */ |
10 | reyssat | 744 | void obj_diafill(objparm *pm) |
745 | { |
||
12473 | bpr | 746 | int nx,ny, c; |
747 | scale(pm->pd,pm->p,1); |
||
748 | nx=pm->pd[2]; ny=pm->pd[3]; nx=abs(nx); ny=abs(ny); |
||
749 | if(nx==0 && ny==0) {fly_error("bad grid size"); return;} |
||
750 | c=makehatchimage(nx,ny,pm->p[0],pm->p[1],pm->color[0]); |
||
17599 | bpr | 751 | if (tikz_file) tikz_fill(pm->p[0],pm->p[1],nx,ny,pm->color[0],dhatch); |
12473 | bpr | 752 | gdImageLine(himg,0,0,nx-1,ny-1,c); gdImageLine(himg,0,ny-1,nx-1,0,c); |
753 | gdImageSetTile(image,himg); |
||
754 | patchgdImageFill(image,pm->p[0],pm->p[1],gdTiled); |
||
755 | gdImageDestroy(himg); |
||
756 | if(tiled) gdImageSetTile(image,tileimg); |
||
10 | reyssat | 757 | } |
758 | |||
17599 | bpr | 759 | /* flood fill with dots */ |
10 | reyssat | 760 | void obj_dotfill(objparm *pm) |
761 | { |
||
12473 | bpr | 762 | int nx,ny, c; |
763 | scale(pm->pd,pm->p,1); |
||
764 | nx=pm->pd[2]; ny=pm->pd[3]; nx=abs(nx); ny=abs(ny); |
||
765 | if(nx==0 && ny==0) {fly_error("bad grid size"); return;} |
||
766 | c=makehatchimage(nx,ny,pm->p[0],pm->p[1],pm->color[0]); |
||
17599 | bpr | 767 | if (tikz_file) tikz_fill(pm->p[0],pm->p[1],nx,ny,pm->color[0],points); |
12473 | bpr | 768 | gdImageSetPixel(himg,nx/2,ny/2,c); |
769 | gdImageSetTile(image,himg); |
||
770 | patchgdImageFill(image,pm->p[0],pm->p[1],gdTiled); |
||
771 | gdImageDestroy(himg); |
||
772 | if(tiled) gdImageSetTile(image,tileimg); |
||
10 | reyssat | 773 | } |
774 | |||
775 | struct { |
||
12473 | bpr | 776 | char *name; |
777 | gdFontPtr *fpt; |
||
10 | reyssat | 778 | } fonttab[]={ |
12473 | bpr | 779 | {"tiny", &gdFontTiny}, |
780 | {"small", &gdFontSmall}, |
||
781 | {"medium",&gdFontMediumBold}, |
||
782 | {"large", &gdFontLarge}, |
||
783 | {"giant", &gdFontGiant}, |
||
784 | {"huge", &gdFontGiant} |
||
10 | reyssat | 785 | }; |
786 | |||
787 | #define fonttab_no (sizeof(fonttab)/sizeof(fonttab[0])) |
||
788 | |||
7675 | bpr | 789 | /* string */ |
10 | reyssat | 790 | void obj_string(objparm *pm) |
791 | { |
||
12473 | bpr | 792 | char *pp, *pe, *p2; |
793 | int i; |
||
794 | pp=pm->str; pe=strchr(pp,','); if(pe==NULL) { |
||
795 | fly_error("too_few_parms"); return; |
||
796 | } |
||
797 | *pe++=0; pp=find_word_start(pp); *find_word_end(pp)=0; |
||
798 | pe=find_word_start(pe); strip_trailing_spaces(pe); |
||
799 | if(*pp) { |
||
800 | for(i=0;i<fonttab_no && strcmp(pp,fonttab[i].name)!=0; i++); |
||
801 | if(i>=fonttab_no) i=1; |
||
802 | } |
||
803 | else i=1; |
||
804 | scale(pm->pd,pm->p,1); |
||
805 | if(*pe=='"') { |
||
806 | p2=strchr(pe+1,'"'); |
||
807 | if(p2 && *(p2+1)==0) {*p2=0; pe++;} |
||
808 | } |
||
17585 | bpr | 809 | if(pm->fill){ |
12473 | bpr | 810 | gdImageStringUp(image,*(fonttab[i].fpt),pm->p[0],pm->p[1], (unsigned char*) pe, |
811 | pm->color[0]); |
||
17608 | bpr | 812 | if(tikz_file) fprintf(tikz_file,"\\draw (%i,%i) node[font=\\%s,rotate=90,color=%s,anchor=north west,inner sep=0pt] {%s};\n", |
813 | pm->p[0],flip(pm->p[1]),fonttab[i].name,tikz_color(pm->color[0]),(unsigned char*) pe); |
||
17585 | bpr | 814 | } |
815 | else { |
||
12473 | bpr | 816 | gdImageString(image,*(fonttab[i].fpt),pm->p[0],pm->p[1], (unsigned char*) pe, |
817 | pm->color[0]); |
||
17608 | bpr | 818 | if(tikz_file) fprintf(tikz_file,"\\draw (%i,%i) node[font=\\%s,color=%s,anchor=north west,inner sep=0pt] {%s};\n", |
819 | pm->p[0],flip(pm->p[1]),fonttab[i].name,tikz_color(pm->color[0]),(unsigned char*) pe); |
||
17585 | bpr | 820 | } |
10 | reyssat | 821 | } |
17585 | bpr | 822 | /*FIXME; giant does not exist in tikz and ... samething as huge */ |
7675 | bpr | 823 | /* point */ |
10 | reyssat | 824 | void obj_point(objparm *pm) |
825 | { |
||
12473 | bpr | 826 | scale(pm->pd,pm->p,1); |
827 | gdImageSetPixel(image,pm->p[0],pm->p[1],pm->color[0]); |
||
17574 | bpr | 828 | if(tikz_file) fprintf(tikz_file,"\\draw[%s] (%i,%i) circle (0pt);\n", |
829 | tikz_options(pm->color[0],0),pm->p[0],flip(pm->p[1])); |
||
10 | reyssat | 830 | } |
831 | |||
7675 | bpr | 832 | /* copy an image file */ |
10 | reyssat | 833 | void obj_copy(objparm *pm) |
834 | { |
||
12473 | bpr | 835 | char *pp; |
836 | FILE *inf; |
||
837 | gdImagePtr insimg; |
||
7615 | bpr | 838 | |
12473 | bpr | 839 | pp=find_word_start(pm->str);*find_word_end(pp)=0; |
840 | inf=open4read(pp); |
||
841 | if(inf==NULL) { |
||
17599 | bpr | 842 | fly_error("file_does_not_exist"); return; |
12473 | bpr | 843 | } |
844 | insimg=gdImageCreateFromGif(inf); fclose(inf); |
||
845 | if(insimg==NULL) { |
||
846 | fly_error("bad_gif"); return; |
||
847 | } |
||
848 | scale(pm->pd,pm->p,1); |
||
849 | if(pm->pd[2]<0 && pm->pd[3]<0 && pm->pd[4]<0 && pm->pd[5]<0) |
||
850 | gdImageCopy(image,insimg,pm->p[0],pm->p[1],0,0, |
||
851 | insimg->sx,insimg->sy); |
||
852 | else |
||
853 | gdImageCopy(image,insimg,pm->p[0],pm->p[1],pm->pd[2],pm->pd[3], |
||
854 | pm->pd[4]-pm->pd[2],pm->pd[5]-pm->pd[3]); |
||
17587 | bpr | 855 | if(tikz_file) fprintf(tikz_file, |
856 | "\\node at (%i,%i) {\\includegraphics\[width=.05\\linewidth]{%s}};\n", |
||
857 | pm->p[0],flip(pm->p[1]),pm->str); |
||
858 | gdImageDestroy(insimg); |
||
859 | /*FIXME position non correcte; on ne peut pas utiliser une image gif */ |
||
10 | reyssat | 860 | } |
861 | |||
7675 | bpr | 862 | /* copy an image file, with resizing */ |
10 | reyssat | 863 | void obj_copyresize(objparm *pm) |
864 | { |
||
12473 | bpr | 865 | char *pp; |
866 | FILE *inf; |
||
867 | gdImagePtr insimg; |
||
7615 | bpr | 868 | |
12473 | bpr | 869 | pp=find_word_start(pm->str);*find_word_end(pp)=0; |
870 | inf=open4read(pp); |
||
871 | if(inf==NULL) { |
||
872 | fly_error("file_not_found"); return; |
||
873 | } |
||
874 | insimg=gdImageCreateFromGif(inf); fclose(inf); |
||
875 | if(insimg==NULL) { |
||
876 | fly_error("bad_gif"); return; |
||
877 | } |
||
878 | scale(pm->pd+4,pm->p+4,2); |
||
879 | if(pm->pd[0]<0 && pm->pd[1]<0 && pm->pd[2]<0 && pm->pd[3]<0) |
||
880 | gdImageCopyResized(image,insimg,pm->p[4],pm->p[5],0,0, |
||
881 | pm->p[6]-pm->p[4]+1,pm->p[7]-pm->p[5]+1, |
||
882 | insimg->sx,insimg->sy); |
||
883 | else |
||
884 | gdImageCopyResized(image,insimg,pm->p[4],pm->p[5],pm->pd[0],pm->pd[1], |
||
885 | pm->p[6]-pm->p[4]+1,pm->p[7]-pm->p[5]+1, |
||
886 | pm->pd[2]-pm->pd[0]+1,pm->pd[3]-pm->pd[1]+1); |
||
887 | gdImageDestroy(insimg); |
||
10 | reyssat | 888 | } |
889 | |||
7675 | bpr | 890 | /* set brush or tile */ |
10 | reyssat | 891 | void obj_setbrush(objparm *pm) |
892 | { |
||
12473 | bpr | 893 | char *pp; |
894 | FILE *inf; |
||
895 | gdImagePtr insimg; |
||
10 | reyssat | 896 | |
12473 | bpr | 897 | pp=find_word_start(pm->str); *find_word_end(pp)=0; |
898 | inf=open4read(pp); if(inf==NULL) { |
||
899 | fly_error("file_not_found"); return; |
||
900 | } |
||
901 | insimg=gdImageCreateFromGif(inf); fclose(inf); |
||
902 | if(insimg==NULL) { |
||
903 | fly_error("bad_gif"); return; |
||
904 | } |
||
905 | if(pm->fill) { |
||
906 | gdImageSetTile(image,insimg); tiled=1; tileimg=insimg; |
||
907 | } |
||
908 | else { |
||
909 | gdImageSetBrush(image,insimg);brushed=1; brushimg=insimg; |
||
910 | } |
||
10 | reyssat | 911 | } |
912 | |||
7675 | bpr | 913 | /* kill brush */ |
10 | reyssat | 914 | void obj_killbrush(objparm *pm) |
915 | { |
||
12473 | bpr | 916 | if(brushimg) gdImageDestroy(brushimg); |
917 | brushed=0; brushimg=NULL; |
||
10 | reyssat | 918 | } |
919 | |||
7675 | bpr | 920 | /* kill tile */ |
10 | reyssat | 921 | void obj_killtile(objparm *pm) |
922 | { |
||
12473 | bpr | 923 | if(tileimg) gdImageDestroy(tileimg); |
924 | tiled=0; tileimg=NULL; |
||
10 | reyssat | 925 | } |
926 | |||
7675 | bpr | 927 | /* set style */ |
10 | reyssat | 928 | void obj_setstyle(objparm *pm) |
929 | { |
||
12473 | bpr | 930 | int i,t; |
931 | t=pm->pcnt/3; if(t<=0) { |
||
932 | fly_error("too_few_parms"); return; |
||
933 | } |
||
934 | for(i=0;i<t;i++) { |
||
935 | if(pm->pd[3*i]<0 || pm->pd[3*i+1]<0 || pm->pd[3*i+2]<0) |
||
936 | pm->p[i]=gdTransparent; |
||
937 | else |
||
938 | pm->p[i]=getcolor(pm->pd[3*i],pm->pd[3*i+1],pm->pd[3*i+2]); |
||
939 | } |
||
940 | gdImageSetStyle(image,pm->p,t); styled=1; |
||
10 | reyssat | 941 | } |
942 | |||
7675 | bpr | 943 | /* kill style */ |
10 | reyssat | 944 | void obj_killstyle(objparm *pm) |
945 | { |
||
12473 | bpr | 946 | styled=0; |
10 | reyssat | 947 | } |
948 | |||
7675 | bpr | 949 | /* set transparent */ |
10 | reyssat | 950 | void obj_transp(objparm *pm) |
951 | { |
||
12473 | bpr | 952 | gdImageColorTransparent(image,pm->color[0]); |
10 | reyssat | 953 | } |
954 | |||
7675 | bpr | 955 | /* set interlace */ |
10 | reyssat | 956 | void obj_interlace(objparm *pm) |
957 | { |
||
12473 | bpr | 958 | gdImageInterlace(image,1); |
10 | reyssat | 959 | } |
960 | |||
7675 | bpr | 961 | /* set linewidth */ |
10 | reyssat | 962 | void obj_linewidth(objparm *pm) |
963 | { |
||
12473 | bpr | 964 | if(pm->pd[0]<1 || pm->pd[0]>255) fly_error("bad_parms"); |
17574 | bpr | 965 | width=pm->pd[0]; |
966 | if(tikz_file) fprintf(tikz_file,"\\pgfsetlinewidth{%f}\n",width*0.7); |
||
10 | reyssat | 967 | } |
968 | |||
8414 | bpr | 969 | /* set crosshairsize */ |
970 | void obj_crosshairsize(objparm *pm) |
||
971 | { |
||
12473 | bpr | 972 | if(pm->pd[0]<1 || pm->pd[0]>255) fly_error("bad_parms"); |
973 | else width2=pm->pd[0]; |
||
8414 | bpr | 974 | } |
975 | |||
7675 | bpr | 976 | /* set x range */ |
10 | reyssat | 977 | void obj_xrange(objparm *pm) |
978 | { |
||
12473 | bpr | 979 | double dd; |
980 | dd=pm->pd[1]-pm->pd[0]; |
||
981 | xstart=pm->pd[0]; xscale=sizex/dd; |
||
10 | reyssat | 982 | } |
983 | |||
7675 | bpr | 984 | /* set y range */ |
10 | reyssat | 985 | void obj_yrange(objparm *pm) |
986 | { |
||
12473 | bpr | 987 | double dd; |
988 | dd=pm->pd[1]-pm->pd[0]; |
||
989 | ystart=pm->pd[1]; yscale=-sizey/dd; |
||
10 | reyssat | 990 | } |
991 | |||
7675 | bpr | 992 | /* set x et y range */ |
10 | reyssat | 993 | void obj_range(objparm *pm) |
994 | { |
||
12473 | bpr | 995 | double d1,d2; |
996 | d1=pm->pd[1]-pm->pd[0]; d2=pm->pd[3]-pm->pd[2]; |
||
997 | xstart=pm->pd[0]; xscale=(sizex-1)/d1; |
||
998 | ystart=pm->pd[3]; yscale=-(sizey-1)/d2; |
||
10 | reyssat | 999 | } |
1000 | |||
7675 | bpr | 1001 | /* set t range */ |
10 | reyssat | 1002 | void obj_trange(objparm *pm) |
1003 | { |
||
12473 | bpr | 1004 | /*double dd; |
1005 | dd=pm->pd[1]-pm->pd[0];*/ |
||
1006 | tstart=pm->pd[0]; tend=pm->pd[1]; |
||
1007 | tranged=1; |
||
10 | reyssat | 1008 | } |
1009 | |||
7675 | bpr | 1010 | /* set tstep (plotting step) */ |
10 | reyssat | 1011 | void obj_tstep(objparm *pm) |
1012 | { |
||
12473 | bpr | 1013 | int dd; |
1014 | dd=pm->pd[0]; |
||
1015 | if(dd<3) { |
||
1016 | fly_error("bad_step"); return; |
||
1017 | } |
||
1018 | if(dd>2000) dd=2000; |
||
1019 | tstep=dd; |
||
10 | reyssat | 1020 | } |
1021 | |||
7675 | bpr | 1022 | /* set plotjump (plot jump break threashold) */ |
10 | reyssat | 1023 | void obj_plotjump(objparm *pm) |
1024 | { |
||
12473 | bpr | 1025 | int dd; |
1026 | dd=pm->pd[0]; |
||
1027 | if(dd<3) dd=3; |
||
1028 | if(dd>MAX_SIZE) dd=MAX_SIZE; |
||
1029 | plotjump=dd; |
||
10 | reyssat | 1030 | } |
1031 | |||
7675 | bpr | 1032 | /* plot a curve, either parametric or explicit */ |
6578 | bpr | 1033 | void _obj_plot(objparm *pm,int dash) |
10 | reyssat | 1034 | { |
12473 | bpr | 1035 | int i,j,n,dist,xx,yy,varpos; |
1036 | char p1[MAX_LINELEN+1], p2[MAX_LINELEN+1]; |
||
1037 | char *varn, *pp; |
||
1038 | double dc[2],t,v; |
||
1039 | int ic[2],oc[2]; |
||
10 | reyssat | 1040 | |
12473 | bpr | 1041 | n=itemnum(pm->str); |
1042 | if(n<1) { |
||
1043 | fly_error("bad_parms"); return; |
||
1044 | } |
||
1045 | fnd_item(pm->str,1,p1); fnd_item(pm->str,2,p2); |
||
1046 | if(n==1 && !tranged) v=sizex/xscale/tstep; |
||
1047 | else v=(tend-tstart)/tstep; |
||
1048 | if(n==1) varn="x"; else varn="t"; |
||
1049 | for(pp=varchr(p1,varn); pp; pp=varchr(pp,varn)) { |
||
1050 | string_modify(p1,pp,pp+strlen(varn),EV_T); |
||
1051 | pp+=strlen(EV_T); |
||
1052 | } |
||
1053 | for(pp=varchr(p2,varn); pp; pp=varchr(pp,varn)) { |
||
1054 | string_modify(p2,pp,pp+strlen(varn),EV_T); |
||
7675 | bpr | 1055 | pp+=strlen(EV_T); |
12473 | bpr | 1056 | } |
1057 | varpos=eval_getpos(EV_T); |
||
1058 | if(varpos<0) return; /* unknown error */ |
||
1059 | evalue_compile(p1); evalue_compile(p2); |
||
1060 | if(vimg_enable) vimg_plotstart(); |
||
1061 | for(i=j=0;i<=tstep;i++) { |
||
1062 | if(n==1) { |
||
1063 | if(tranged) t=tstart+i*v; else t=xstart+i*v; |
||
1064 | eval_setval(varpos,t); dc[0]=t; dc[1]=strevalue(p1); |
||
10 | reyssat | 1065 | } |
17584 | bpr | 1066 | else { |
1067 | t=tstart+i*v; eval_setval(varpos,t); |
||
1068 | dc[0]=strevalue(p1); dc[1]=strevalue(p2); |
||
10 | reyssat | 1069 | } |
17584 | bpr | 1070 | if(!isfinite(dc[0]) || !isfinite(dc[1])) ic[0]=ic[1]=-BOUND; |
1071 | else scale(dc,ic,1); |
||
1072 | if(vimg_enable) vimg_plot1 (scale_buf[0],scale_buf[1]); |
||
1073 | if(j==0) { |
||
1074 | gdImageSetPixel(image,ic[0],ic[1],pm->color[0]); j++; |
||
1075 | if (tikz_file) |
||
1076 | fprintf(tikz_file, |
||
1077 | "\\draw\[%s] (%i,%i) rectangle (%i,%i);\n", |
||
1078 | tikz_options(pm->color[0],1),ic[0],flip(ic[1]),ic[0]+1,flip(ic[1]+1)); |
||
1079 | } |
||
1080 | else { |
||
1081 | xx=ic[0]-oc[0]; yy=ic[1]-oc[1]; |
||
1082 | dist=sqrt(xx*xx+yy*yy); |
||
1083 | if(dist>0){ |
||
1084 | if(dist>plotjump || dist==1) { |
||
1085 | gdImageSetPixel(image,ic[0],ic[1],pm->color[0]); |
||
1086 | if (tikz_file) |
||
1087 | fprintf(tikz_file, |
||
1088 | "\\draw\[%s] (%i,%i) rectangle (%i,%i);\n", |
||
1089 | tikz_options(pm->color[0],1),ic[0],flip(ic[1]),ic[0]+1,flip(ic[1]+1)); |
||
1090 | } |
||
1091 | } |
||
1092 | else { |
||
1093 | if ( dash==1) |
||
1094 | gdImageDashedLine(image,oc[0],oc[1],ic[0],ic[1],pm->color[0]); |
||
1095 | else |
||
1096 | gdImageLine(image,oc[0],oc[1],ic[0],ic[1],pm->color[0]); |
||
1097 | if (tikz_file) |
||
1098 | fprintf(tikz_file, |
||
1099 | "\\draw\[%s] (%i,%i) -- (%i,%i);\n", |
||
1100 | tikz_options(pm->color[0],dash),oc[0],flip(oc[1]),ic[0],flip(ic[1])); |
||
1101 | |||
1102 | } |
||
1103 | } |
||
12473 | bpr | 1104 | memmove(oc,ic,sizeof(oc)); |
1105 | } |
||
1106 | if(vimg_enable) vimg_plotend(); |
||
10 | reyssat | 1107 | } |
1108 | |||
6578 | bpr | 1109 | void obj_plot(objparm *pm) { _obj_plot( pm,0) ;} |
1110 | void obj_dplot(objparm *pm) { _obj_plot( pm,1) ; } |
||
1111 | |||
7675 | bpr | 1112 | /* set levelcurve granularity */ |
10 | reyssat | 1113 | void obj_levelstep(objparm *pm) |
1114 | { |
||
12473 | bpr | 1115 | int dd; |
1116 | dd=pm->pd[0]; |
||
1117 | if(dd<1) return; |
||
1118 | if(dd>16) dd=16; |
||
1119 | lstep=dd; |
||
10 | reyssat | 1120 | } |
1121 | |||
7675 | bpr | 1122 | /* level curve */ |
10 | reyssat | 1123 | void obj_levelcurve(objparm *pm) |
1124 | { |
||
12473 | bpr | 1125 | char fn[MAX_LINELEN+1],tc[MAX_LINELEN+1]; |
1126 | int n,i; |
||
1127 | double d; |
||
1128 | leveldata *ld; |
||
7615 | bpr | 1129 | |
12473 | bpr | 1130 | ld=xmalloc(sizeof(leveldata)+16); |
1131 | ld->xname="x"; ld->yname="y"; |
||
1132 | ld->xsize=sizex; ld->ysize=sizey; ld->datacnt=0; |
||
1133 | ld->xrange[0]=xstart; ld->xrange[1]=sizex/xscale+xstart; |
||
1134 | ld->yrange[0]=sizey/yscale+ystart; ld->yrange[1]=ystart; |
||
1135 | ld->grain=lstep; |
||
1136 | fnd_item(pm->str,1,fn); ld->fn=fn; |
||
1137 | n=itemnum(pm->str); |
||
1138 | if(n<=1) {ld->levelcnt=1; ld->levels[0]=0;} |
||
1139 | else { |
||
1140 | if(n>LEVEL_LIM+1) n=LEVEL_LIM+1; |
||
1141 | for(i=0;i<n-1;i++) { |
||
1142 | fnd_item(pm->str,i+2,tc); |
||
1143 | d=strevalue(tc); |
||
1144 | if(isfinite(d)) ld->levels[i]=d; else ld->levels[i]=0; |
||
10 | reyssat | 1145 | } |
12473 | bpr | 1146 | ld->levelcnt=n-1; |
1147 | } |
||
1148 | levelcurve(ld); |
||
1149 | for(i=0;i<ld->datacnt;i++) { |
||
1150 | gdImageSetPixel(image,ld->xdata[i],ld->ydata[i],pm->color[0]); |
||
17584 | bpr | 1151 | if (tikz_file) |
1152 | fprintf(tikz_file, |
||
1153 | "\\draw\[%s] (%i,%i) rectangle (%i,%i);\n", |
||
1154 | tikz_options(pm->color[0],1),ld->xdata[i],flip(ld->ydata[i]),ld->xdata[i]+1,flip(ld->ydata[i]+1)); |
||
12473 | bpr | 1155 | } |
1156 | free(ld); |
||
10 | reyssat | 1157 | } |
1158 | |||
7675 | bpr | 1159 | /* set animation step */ |
10 | reyssat | 1160 | void obj_animstep(objparm *pm) |
1161 | { |
||
12473 | bpr | 1162 | animstep=pm->pd[0]; |
1163 | setvar("animstep",pm->pd[0]); |
||
10 | reyssat | 1164 | } |
1165 | |||
7675 | bpr | 1166 | /* Starts a line counting */ |
10 | reyssat | 1167 | void obj_linecount(objparm *pm) |
1168 | { |
||
12473 | bpr | 1169 | linecnt=pm->pd[0]; |
10 | reyssat | 1170 | } |
1171 | |||
7675 | bpr | 1172 | /* marks end of execution */ |
10 | reyssat | 1173 | void obj_end(objparm *pm) |
1174 | { |
||
12473 | bpr | 1175 | fly_error("successful_end_of_execution"); |
10 | reyssat | 1176 | } |
1177 | |||
7675 | bpr | 1178 | /* output */ |
10 | reyssat | 1179 | void obj_output(objparm *pm) |
1180 | { |
||
12473 | bpr | 1181 | char *p, namebuf[1024]; |
1182 | p=find_word_start(pm->str); *find_word_end(p)=0; |
||
1183 | snprintf(namebuf,sizeof(namebuf),"%s",imagefilename); |
||
1184 | snprintf(imagefilename,sizeof(imagefilename),"%s",p); |
||
1185 | output(); |
||
1186 | snprintf(imagefilename,sizeof(imagefilename),"%s",namebuf); |
||
10 | reyssat | 1187 | } |
1188 | |||
7675 | bpr | 1189 | /* vimgfile */ |
1024 | bpr | 1190 | void obj_vimgfile(objparm *pm) |
1191 | { |
||
12473 | bpr | 1192 | char *p; |
1193 | p=find_word_start(pm->str); *find_word_end(p)=0; |
||
1194 | snprintf(vimgfilename,sizeof(vimgfilename),"%s",p); |
||
1195 | if(vimg_ready) vimg_close(); |
||
1024 | bpr | 1196 | } |
1197 | |||
7675 | bpr | 1198 | /* vimg enable/disable */ |
1024 | bpr | 1199 | void obj_vimg(objparm *pm) |
1200 | { |
||
12473 | bpr | 1201 | vimg_enable=pm->pd[0]; |
1202 | if(vimg_enable>0 && vimg_ready==0) vimg_init(); |
||
1024 | bpr | 1203 | } |
1204 | |||
7675 | bpr | 1205 | /* Set affine transformation */ |
10 | reyssat | 1206 | void obj_affine(objparm *pm) |
1207 | { |
||
12473 | bpr | 1208 | int i; |
1209 | for(i=0;i<4;i++) matrix[i]=pm->pd[i]; |
||
1210 | transx=pm->pd[4]; transy=pm->pd[5]; |
||
1211 | transform=1; |
||
10 | reyssat | 1212 | } |
1213 | |||
7675 | bpr | 1214 | /* Set affine transformation */ |
10 | reyssat | 1215 | void obj_rotation(objparm *pm) |
1216 | { |
||
12473 | bpr | 1217 | double r; |
1218 | r=M_PI*pm->pd[0]/180; |
||
1219 | matrix[0]=matrix[3]=cos(r); |
||
1220 | matrix[1]=-sin(r); matrix[2]=sin(r); |
||
1221 | transform=1; |
||
10 | reyssat | 1222 | } |
1223 | |||
8419 | bpr | 1224 | /* Set linear transformation */ |
10 | reyssat | 1225 | void obj_linear(objparm *pm) |
1226 | { |
||
12473 | bpr | 1227 | int i; |
1228 | for(i=0;i<4;i++) matrix[i]=pm->pd[i]; |
||
1229 | transform=1; |
||
10 | reyssat | 1230 | } |
1231 | |||
8419 | bpr | 1232 | /* Set translation transformation */ |
10 | reyssat | 1233 | void obj_translation(objparm *pm) |
1234 | { |
||
12473 | bpr | 1235 | transx=pm->pd[0]; transy=pm->pd[1]; |
10 | reyssat | 1236 | } |
1237 | |||
8419 | bpr | 1238 | /* kill affine transformation */ |
10 | reyssat | 1239 | void obj_killaffine(objparm *pm) |
1240 | { |
||
12473 | bpr | 1241 | matrix[0]=matrix[3]=1; |
1242 | matrix[1]=matrix[2]=transx=transy=0; |
||
1243 | transform=0; |
||
10 | reyssat | 1244 | } |
1245 | |||
8419 | bpr | 1246 | /* kill affine transformation */ |
10 | reyssat | 1247 | void obj_killlinear(objparm *pm) |
1248 | { |
||
12473 | bpr | 1249 | matrix[0]=matrix[3]=1; |
1250 | matrix[1]=matrix[2]=0; |
||
1251 | transform=0; |
||
10 | reyssat | 1252 | } |
1253 | |||
8419 | bpr | 1254 | /* kill affine transformation */ |
10 | reyssat | 1255 | void obj_killtranslation(objparm *pm) |
1256 | { |
||
12473 | bpr | 1257 | transx=transy=0; |
10 | reyssat | 1258 | } |
1259 | |||
1260 | /***** Les modifs de Jean-Christophe Leger Fev 2006 *****/ |
||
1261 | |||
7615 | bpr | 1262 | /* arguments: un numero de matrice entre 1 et JC_NB_MATRICES, une liste de 4 nombres reels pour la matrice */ |
10 | reyssat | 1263 | void obj_setmatrix(objparm *pm) |
1264 | { |
||
1265 | int nummatrix = (int) (pm->pd[0]); |
||
1266 | if((nummatrix < 1) ||(nummatrix>JC_NB_MATRICES)) { |
||
8195 | bpr | 1267 | fly_error("bad_matrix_number"); |
10 | reyssat | 1268 | return; |
1269 | } |
||
1270 | matrices_pavage[nummatrix][0] = pm->pd[1]; |
||
1271 | matrices_pavage[nummatrix][1] = pm->pd[2]; |
||
1272 | matrices_pavage[nummatrix][2] = pm->pd[3]; |
||
1273 | matrices_pavage[nummatrix][3] = pm->pd[4]; |
||
1274 | } |
||
1275 | |||
7615 | bpr | 1276 | /* arguments: un numero de matrice entre 1 et JC_NB_MATRICES */ |
10 | reyssat | 1277 | void obj_resetmatrix(objparm *pm) |
1278 | { |
||
1279 | int nummatrix = (int) (pm->pd[0]); |
||
1280 | if((nummatrix < 1) ||(nummatrix>JC_NB_MATRICES)) { |
||
8195 | bpr | 1281 | fly_error("bad_matrix_number"); |
10 | reyssat | 1282 | return; |
1283 | } |
||
1284 | matrices_pavage[nummatrix][0] = 1; |
||
1285 | matrices_pavage[nummatrix][1] = 0; |
||
1286 | matrices_pavage[nummatrix][2] = 0; |
||
1287 | matrices_pavage[nummatrix][3] = 1; |
||
1288 | |||
1289 | } |
||
7615 | bpr | 1290 | /* arguments: un numero de vecteur entre 1 et JC_NB_MATRICES, une liste de 2 nombres reels pour le vecteur */ |
10 | reyssat | 1291 | void obj_setvector(objparm *pm) |
1292 | { |
||
1293 | int nummatrix = (int) (pm->pd[0]); |
||
1294 | if((nummatrix < 1) ||(nummatrix>JC_NB_MATRICES)) { |
||
8195 | bpr | 1295 | fly_error("bad_vector_number"); |
10 | reyssat | 1296 | return; |
1297 | } |
||
1298 | vecteurs_pavage[nummatrix][0] = pm->pd[1]; |
||
1299 | vecteurs_pavage[nummatrix][1] = pm->pd[2]; |
||
1300 | } |
||
1301 | |||
7615 | bpr | 1302 | /* arguments: un numero de matrice entre 1 et JC_NB_MATRICES */ |
10 | reyssat | 1303 | void obj_resetvector(objparm *pm) |
1304 | { |
||
1305 | int nummatrix = (int) (pm->pd[0]); |
||
1306 | if((nummatrix < 1) ||(nummatrix>JC_NB_MATRICES)) { |
||
8195 | bpr | 1307 | fly_error("bad_vector_number"); |
10 | reyssat | 1308 | return; |
1309 | } |
||
1310 | vecteurs_pavage[nummatrix][0] = 0; |
||
1311 | vecteurs_pavage[nummatrix][1] = 0; |
||
1312 | } |
||
1313 | |||
7615 | bpr | 1314 | /* 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 | 1315 | void obj_settransform(objparm *pm) |
1316 | { |
||
1317 | int nummatrix = (int) (pm->pd[0]); |
||
1318 | if((nummatrix < 1) ||(nummatrix>JC_NB_MATRICES)) { |
||
8195 | bpr | 1319 | fly_error("bad_vector_number"); |
10 | reyssat | 1320 | return; |
1321 | } |
||
1322 | matrices_pavage[nummatrix][0] = pm->pd[1]; |
||
1323 | matrices_pavage[nummatrix][1] = pm->pd[2]; |
||
1324 | matrices_pavage[nummatrix][2] = pm->pd[3]; |
||
1325 | matrices_pavage[nummatrix][3] = pm->pd[4]; |
||
1326 | vecteurs_pavage[nummatrix][0] = pm->pd[5]; |
||
1327 | vecteurs_pavage[nummatrix][1] = pm->pd[6]; |
||
1328 | } |
||
1329 | |||
1330 | |||
7615 | bpr | 1331 | /* arguments: un numero de matrice entre 1 et JC_NB_MATRICES */ |
10 | reyssat | 1332 | void obj_resettransform(objparm *pm) |
1333 | { |
||
1334 | int nummatrix = (int) (pm->pd[0]); |
||
1335 | if((nummatrix < 1) ||(nummatrix>JC_NB_MATRICES)) { |
||
8195 | bpr | 1336 | fly_error("bad_vector_number"); |
10 | reyssat | 1337 | return; |
1338 | } |
||
1339 | vecteurs_pavage[nummatrix][0] = 0; |
||
1340 | vecteurs_pavage[nummatrix][1] = 0; |
||
1341 | matrices_pavage[nummatrix][0] = 1; |
||
1342 | matrices_pavage[nummatrix][1] = 0; |
||
1343 | matrices_pavage[nummatrix][2] = 0; |
||
1344 | matrices_pavage[nummatrix][3] = 1; |
||
1345 | } |
||
1346 | |||
7615 | bpr | 1347 | /* arguments: une liste de 6 nombres reels pour les coordonnees de l'origine et des vecteurs de base */ |
10 | reyssat | 1348 | void obj_setparallelogram(objparm *pm) |
1349 | { |
||
1350 | int i; |
||
1351 | for(i=0;i<6;i++) parallogram_fonda[i]=pm->pd[i]; |
||
1352 | } |
||
1353 | |||
1354 | /* arguments :aucun */ |
||
1355 | void obj_resetparallelogram(objparm *pm) |
||
1356 | { |
||
1357 | parallogram_fonda[0]=0; |
||
1358 | parallogram_fonda[1]=0; |
||
1359 | parallogram_fonda[2]=100; |
||
1360 | parallogram_fonda[3]=0; |
||
1361 | parallogram_fonda[4]=0; |
||
1362 | parallogram_fonda[5]=100; |
||
1363 | } |
||
1364 | |||
1365 | /* argument : la liste des numeros des matrices a faire agir, le nom du fichier de l'image a inclure */ |
||
1366 | void obj_multicopy(objparm *pm) |
||
1367 | { |
||
12473 | bpr | 1368 | char *pp,*pe,*cptr; |
1369 | FILE *inf; |
||
1370 | gdImagePtr insimg; |
||
1371 | int i,j; |
||
1372 | int imax,jmax; |
||
1373 | int c; /* la couleur reperee */ |
||
1374 | int mat; |
||
1375 | int nummatrices[JC_NB_MATRICES]; |
||
1376 | double pt[2]; /* les coordonnees math. du point repere dans le parallelogramme */ |
||
1377 | double ptr[2]; /* les coordonnees math. du point transforme */ |
||
1378 | int pti[2]; /* les coordonnees img du point a placer sur le canevas */ |
||
1379 | int t; |
||
1380 | /* gestion palette de couleur de l'image a inserer */ |
||
1381 | int colorMap[gdMaxColors]; |
||
1382 | int comptmat=0; /* combien de matrices en tout ? */ |
||
7615 | bpr | 1383 | |
12473 | bpr | 1384 | for (i=0; (i<gdMaxColors); i++) { |
1385 | colorMap[i] = (-1); |
||
1386 | } |
||
10 | reyssat | 1387 | |
12473 | bpr | 1388 | /* Gestion des parametres la liste est censee finir avec le nom du fichier */ |
1389 | t=pm->pcnt-1; /* il faut enlever le nom de fichier ! c'est le nombre de parametres en plus */ |
||
1390 | pp=find_word_start(pm->str); |
||
1391 | /* visiblement find_word_start n'arrive pas a trouver le dernier mot dans un contexte ou le nombre de parameters est variable |
||
10 | reyssat | 1392 | * on cherche donc l'emplacement de la derniere virgule: |
1393 | * il y en a une car t>0, on retrouve ensuite le debut de mot |
||
1394 | */ |
||
12473 | bpr | 1395 | for(pe=pp;*pe!=0;pe++);/* trouve la fin de la chaine */ |
1396 | if(t>0){ |
||
1397 | for(cptr = pe; cptr > pp && *cptr != ','; cptr--); |
||
1398 | pp=find_word_start(cptr+1); |
||
1399 | } |
||
1400 | pe=find_word_end(pp);*pe=0; /* strip junk final */ |
||
1401 | // printf("pp contient %s\n",pp); |
||
10 | reyssat | 1402 | |
1403 | |||
12473 | bpr | 1404 | inf=open4read(pp); |
1405 | if(inf==NULL) { |
||
1406 | fly_error("file_not_exist"); return; |
||
1407 | } |
||
1408 | insimg=gdImageCreateFromGif(inf); fclose(inf); |
||
1409 | if(insimg==NULL) { |
||
1410 | fly_error("bad_gif"); return; |
||
1411 | } |
||
10 | reyssat | 1412 | |
12473 | bpr | 1413 | /* On recupere les numeros des matrices/vecteurs a faire agir, |
1414 | * s'il n'y en a pas, on les fait toutes agir |
||
1415 | */ |
||
1416 | for(i=0;i<t && i< JC_NB_MATRICES;i++) { |
||
1417 | if(pm->pd[i]>=1 && pm->pd[i]<=JC_NB_MATRICES){ |
||
1418 | nummatrices[comptmat] = pm->pd[i]; |
||
1419 | comptmat++; |
||
10 | reyssat | 1420 | } |
12473 | bpr | 1421 | } |
1422 | if(t<=0){ |
||
1423 | for(i=0;i<JC_NB_MATRICES;i++) { |
||
1424 | nummatrices[i] = i+1; |
||
10 | reyssat | 1425 | } |
12473 | bpr | 1426 | comptmat=JC_NB_MATRICES; |
1427 | } |
||
10 | reyssat | 1428 | |
7615 | bpr | 1429 | |
12473 | bpr | 1430 | imax = gdImageSX(insimg); |
1431 | jmax = gdImageSY(insimg); |
||
10 | reyssat | 1432 | |
12473 | bpr | 1433 | for(i=0;i<imax;i++){ |
1434 | for(j=0;j<jmax;j++){ |
||
1435 | int nc; |
||
1436 | c=gdImageGetPixel(insimg,i,j); |
||
1437 | /* Le code suivant est une copie du code dans gdImageCopy Added 7/24/95: support transparent copies */ |
||
1438 | if (gdImageGetTransparent(insimg) != c) { |
||
1439 | /* Have we established a mapping for this color? */ |
||
1440 | if (colorMap[c] == (-1)) { |
||
1441 | /* If it's the same image, mapping is trivial, dans notre cas ca n'arrive jamais... */ |
||
1442 | if (image == insimg) { |
||
1443 | nc = c; |
||
1444 | } else { |
||
1445 | /* First look for an exact match */ |
||
1446 | nc = gdImageColorExact(image, |
||
1447 | insimg->red[c], insimg->green[c], |
||
1448 | insimg->blue[c]); |
||
1449 | } |
||
1450 | if (nc == (-1)) { |
||
1451 | /* No, so try to allocate it */ |
||
1452 | nc = gdImageColorAllocate(image, |
||
1453 | insimg->red[c], insimg->green[c], |
||
7675 | bpr | 1454 | insimg->blue[c]); |
12473 | bpr | 1455 | /* If we're out of colors, go for the closest color */ |
1456 | if (nc == (-1)) { |
||
1457 | nc = gdImageColorClosest(image, |
||
7675 | bpr | 1458 | insimg->red[c], insimg->green[c], |
1459 | insimg->blue[c]); |
||
12473 | bpr | 1460 | } |
1461 | } |
||
1462 | colorMap[c] = nc; |
||
1463 | } |
||
10 | reyssat | 1464 | |
12473 | bpr | 1465 | pt[0]= i*(parallogram_fonda[2])/(imax-1)+(jmax-j)*(parallogram_fonda[4])/(jmax-1)+parallogram_fonda[0]; |
1466 | pt[1]= i*(parallogram_fonda[3])/(imax-1)+(jmax-j)*(parallogram_fonda[5])/(jmax-1)+parallogram_fonda[1]; |
||
1467 | for(mat=0;mat<comptmat;mat++){ |
||
7675 | bpr | 1468 | double *matricecourante = matrices_pavage[nummatrices[mat]]; |
1469 | double *vecteurcourant = vecteurs_pavage[nummatrices[mat]]; |
||
1470 | ptr[0] = matricecourante[0]*pt[0]+matricecourante[1]*pt[1]+vecteurcourant[0]; |
||
1471 | ptr[1] = matricecourante[2]*pt[0]+matricecourante[3]*pt[1]+vecteurcourant[1]; |
||
1472 | scale(ptr,pti,1); |
||
1473 | gdImageSetPixel(image,pti[0],pti[1],colorMap[c]); |
||
12473 | bpr | 1474 | } |
10 | reyssat | 1475 | } |
1476 | } |
||
12473 | bpr | 1477 | } |
1478 | gdImageDestroy(insimg); |
||
10 | reyssat | 1479 | } |
1480 | |||
1481 | /**** Fin modifs JC Fev 06 ******/ |
||
1482 | |||
7675 | bpr | 1483 | /* get color from value */ |
10 | reyssat | 1484 | int calc_color(char *p, struct objtab *o) |
1485 | { |
||
12473 | bpr | 1486 | int k, cc[3]; |
1487 | char buf[MAX_LINELEN+1]; |
||
1488 | for(k=0;k<3;k++) { |
||
1489 | fnd_item(p,k+1,buf); |
||
1490 | cc[k]=strevalue(buf); |
||
1491 | } |
||
1492 | collapse_item(p,3); |
||
1493 | if(cc[0]==-1 && cc[1]==-1 && cc[2]==-255) { |
||
10 | reyssat | 1494 | |
12473 | bpr | 1495 | if(brushed && o->subst&1) return gdBrushed; |
1496 | else return color_black; |
||
1497 | } |
||
1498 | if(cc[0]==-1 && cc[1]==-255 && cc[2]==-1) { |
||
1499 | if(styled && o->subst&2) return gdStyled; |
||
1500 | else return color_black; |
||
1501 | } |
||
1502 | if(cc[0]==-255 && cc[1]==-1 && cc[2]==-1) { |
||
1503 | if(tiled && o->fill_tag==1) return gdTiled; |
||
1504 | else return color_black; |
||
1505 | } |
||
1506 | return getcolor(cc[0],cc[1],cc[2]); |
||
10 | reyssat | 1507 | } |
1508 | |||
7675 | bpr | 1509 | /* Routine to parse parameters */ |
10 | reyssat | 1510 | int parse_parms(char *p,objparm *pm,struct objtab *o) |
1511 | { |
||
12473 | bpr | 1512 | char buf[MAX_LINELEN+1]; |
1513 | char *p1, *p2; |
||
1514 | int j,t,c,c1,c2; |
||
7615 | bpr | 1515 | |
12473 | bpr | 1516 | c=o->color_pos;c1=c2=0; |
1517 | pm->color[0]=pm->color[1]=0; |
||
1518 | if(c>0) c1=c; |
||
1519 | if(c<0) c2=-c; |
||
1520 | c=c1+c2; |
||
1521 | t=itemnum(p);if(t<o->required_parms+3*c) return -1; |
||
1522 | if(c1>0 && t>o->required_parms+3*c) t=o->required_parms+3*c; |
||
1523 | pm->pcnt=t-3*c; |
||
1524 | if(pm->pcnt>MAX_PARMS) pm->pcnt=MAX_PARMS; |
||
1525 | if(c2>0) { |
||
1526 | for(j=0;j<2 && j<c2; j++) pm->color[j]=calc_color(p,o); |
||
1527 | } |
||
1528 | snprintf(buf,sizeof(buf),"%s",p); |
||
1529 | for(j=0, p1=buf; j<pm->pcnt; j++, p1=p2) { |
||
1530 | p2=find_item_end(p1); if(*p2) *p2++=0; |
||
1531 | p1=find_word_start(p1); |
||
1532 | if(*p1) pm->pd[j]=strevalue(p1); else pm->pd[j]=0; |
||
1533 | if(!isfinite(pm->pd[j])) { |
||
1534 | if(j<o->required_parms) return -1; |
||
1535 | else {pm->pd[j]=0;break;} |
||
10 | reyssat | 1536 | } |
12473 | bpr | 1537 | } |
1538 | collapse_item(p,o->required_parms); |
||
1539 | if(c1>0) { |
||
1540 | for(j=0;j<c1 && j<2; j++) pm->color[j]=calc_color(p,o); |
||
1541 | } |
||
1542 | if(width>1 && o->subst&1 && pm->color[0]!=gdBrushed |
||
1543 | && pm->color[0]!=gdStyled && pm->color[0]!=gdTiled) { |
||
1544 | pm->color[1]=pm->color[0]; |
||
1545 | pm->color[0]=widthcolor(width,pm->color[0]); |
||
1546 | } |
||
1547 | pm->fill=o->fill_tag; |
||
1548 | ovlstrcpy(pm->str,p); return 0; |
||
10 | reyssat | 1549 | } |
1550 | |||
8068 | bpr | 1551 | /* Create the struct objparm pm corresponding to the objparm p |
1552 | * Execute a command. Returns 0 if OK. |
||
1553 | */ |
||
10 | reyssat | 1554 | int obj_main(char *p) |
1555 | { |
||
12473 | bpr | 1556 | int i; |
1557 | char *pp,*name,*pt; |
||
1558 | char tbuf2[MAX_LINELEN+1]; |
||
1559 | struct objparm pm; |
||
10 | reyssat | 1560 | |
12473 | bpr | 1561 | p=find_word_start(p); |
1562 | if(*p==exec_prefix_char || *p==0) return 0; /* comment */ |
||
1563 | name=p; |
||
1564 | pp=find_name_end(p); |
||
1565 | pt=find_word_start(pp); if(*pt=='=') *pt=' '; |
||
1566 | if(*pt==':' && *(pt+1)=='=') *pt=*(pt+1)=' '; |
||
1567 | pp=find_word_end(p); |
||
1568 | if(*pp!=0) { |
||
1569 | *(pp++)=0; pp=find_word_start(pp); |
||
1570 | } |
||
1571 | if(strlen(p)==1 || (strlen(p)==2 && isdigit(*(p+1)))) { |
||
1572 | setvar(p,strevalue(pp)); return 0; |
||
1573 | } |
||
1574 | /* search the number of the object */ |
||
1575 | i=search_list(objtab,obj_no,sizeof(objtab[0]),name); |
||
1576 | if(i<0) { |
||
1577 | fly_error("bad_cmd"); return 1; |
||
1578 | } |
||
1579 | if(image==NULL && (objtab[i].color_pos || objtab[i].required_parms>2)) { |
||
1580 | fly_error("image_not_defined"); return 1; |
||
1581 | } |
||
1582 | ovlstrcpy(tbuf2,pp); |
||
1583 | if(objtab[i].color_pos || objtab[i].routine==obj_setstyle) { |
||
1584 | substit(tbuf2); |
||
1585 | } |
||
1586 | if(parse_parms(tbuf2,&pm,objtab+i)!=0) fly_error("bad_parms"); |
||
1587 | else objtab[i].routine(&pm); |
||
1588 | return 0; |
||
10 | reyssat | 1589 | } |