0ee0851997-02-08Per Hedbor string cvs_version="$Id: graphic_text.pike,v 1.25 1997/02/07 23:33:20 per Exp $";
d47cbf1996-12-02Per Hedbor #include <module.h> inherit "module"; inherit "roxenlib"; array register_module() { return ({ MODULE_LOCATION | MODULE_PARSER, "Graphics text",
a97f5d1996-12-10Per Hedbor  "Makes a few new tags, which render text to gifs " "using the image module in pike. \n<p>"
676c231996-12-06Per Hedbor  "<b>&lt;gh1&gt;</b> to <b>&lt;gh6&gt;:</b> Headers<br>\n" "<b>&lt;gh&gt;:</b> Header<br>\n" "<b>&lt;gtext&gt;:</b> Graphical text<br>\n" "<b>&lt;anfang&gt;:</b> Make the first character to a graphical one. Not all that usefull, really.<br>\n"
a97f5d1996-12-10Per Hedbor  "<br>\n" "<b>Common arguments:</b>\n <pre>"
bfc7071997-01-13Per Hedbor  " bg=color Use this background, default taken from the\n"
d47cbf1996-12-02Per Hedbor  " &lt;body&gt; tag, if any\n"
bfc7071997-01-13Per Hedbor  " fg=color Use this foreground, default taken from the\n"
d47cbf1996-12-02Per Hedbor  " &lt;body&gt; tag, if any\n" " font=fnt Use this font. The fonts can be found in the\n" " directory specified in the configuration\n" " interface.\n" " If no font is specified, the one from the\n" " define 'font' is used, or if there is no\n" " define, the default font will be used.\n" " scale=float Scale to this font, mostly useful in the &lt;gtext&gt;\n" " tag, will not work at all in the &lt;gh[number]&gt;\n" " tags.\n" " 2 3 4 5 6 Short for scale=1.0/([number]*0.6)\n" " notrans Do _not_ make the background color transparent\n" " split Make each word into a separate gif image\n" " href=url Link the image to the specified URL\n" " The 'link' color of the document will be\n" " used as the default foreground of the text\n" " quant=cols Use this number of colors\n" " magic[=message] Modifier to href, more flashy links\n" " Does <b>not</b> work with 'split'\n"
bfc7071997-01-13Per Hedbor  " fuzz[=color] Apply the 'glow' effect to the result\n" " fs Use floyd-steinberg dithering\n" " border=int,col. Draw an border (width is the first argument\n"
d47cbf1996-12-02Per Hedbor  " in the specified color\n" " spacing=int Add this amount of spacing around the text\n"
3950bb1996-12-10Per Hedbor  " xspacing=int like spacing, but only horizontal\n" " yspacing=int like spacing, but only vertical\n" " size=int,int Use this (absolute) size\n" " xsize=int Use this (absolute) size\n" " ysize=int Use this (absolute) size\n"
d47cbf1996-12-02Per Hedbor  " bevel=int Draw a bevel box (width is the argument)\n"
38dca81996-12-10Per Hedbor  " pressed Invert the \"direction\" of the bevel box\n" " talign=dir Justify the text to the left, right, or center\n"
bfc7071997-01-13Per Hedbor  " textbox=al,col. Use 'al' as opaque value to draw a box below\n"
d47cbf1996-12-02Per Hedbor  " the text with the specified color.\n"
38dca81996-12-10Per Hedbor  " xpad=X% Increase padding between characters with X%\n" " xpad=Y% Increase padding between lines with Y%\n"
4dfdeb1996-12-04Per Hedbor  " shadow=int,dist Draw a drop-shadow (variable distance/intensity)\n"
bfc7071997-01-13Per Hedbor  " glow=color Draw a 'glow' outline around the text.\n"
d47cbf1996-12-02Per Hedbor  " opaque=0-100% Draw with more or less opaque text (100%\n" " is default)\n" " rotate=ang(deg.)Rotate the finished image\n" " background=file Use the specifed file as a background\n" " texture=file Use the specified file as text texture\n"
38dca81996-12-10Per Hedbor  " turbulence=args args is: frequency,color;freq,col;freq,col\n"
3642ac1996-12-10Per Hedbor  " Apply a turbulence filter, and use this as the\n"
38dca81996-12-10Per Hedbor  " background.\n"
bfc7071997-01-13Per Hedbor  " maxlen=arg The maximum length of the rendered text will be\n" " the specified argument. The default is 300, this\n" " is used to safeguard against mistakes like\n" "&lt;gh1&gt;&lt;/gh&gt;, which would otherwise parse the whole\n" "document.\n"
3642ac1996-12-10Per Hedbor  "\n"
a97f5d1996-12-10Per Hedbor  "<b>Arguments passed on the the &lt;a&gt; tag (if href is specified):</b>\n "
1ce8c31996-12-10Per Hedbor  " target=...\n" " onClick=...\n"
4dd97c1996-12-04Per Hedbor  "</pre>\n", 0, 1,
d47cbf1996-12-02Per Hedbor  }); } array (string) list_fonts() {
4dd97c1996-12-04Per Hedbor  array fnts; catch(fnts = get_dir("fonts/32/") - ({".",".."})); if(!fnts) { report_error("Failed to find any fonts in 'fonts/32/'. No default font.\n"); return ({}); } return fnts;
d47cbf1996-12-02Per Hedbor } void create() {
bfc7071997-01-13Per Hedbor  defvar("deflen", 300, "Default maximum text-length", TYPE_INT, "The module will, per default, not try to render texts " "longer than this. This is a safeguard for things like " "&lt;gh1&gt;&lt;/gh&gt;, which would otherwise parse the" " whole document. This can be overrided with maxlen=... in the " "tag.");
d47cbf1996-12-02Per Hedbor  defvar("location", "/gtext/", "Mountpoint", TYPE_LOCATION, "The URL-prefix for the anfang characters."); defvar("cols", 16, "Default number of colors per image", TYPE_INT_LIST, "The default number of colors to use. 16 seems to be enough. " "The size of the image depends on the number of colors", ({ 1,2,3,4,5,6,7,8,10,16,32,64,128,256 })); defvar("default_size", 32, "Default font size", TYPE_INT_LIST, "The default size for the font. This is used for the 'base' size, " "and can be scaled up or down in the tags.", ({ 16, 32, 64 })); defvar("default_font", "urw_itc_avant_garde-demi-r", "Default font", TYPE_STRING_LIST, "The default font. The 'font dir' will be prepended to the path", list_fonts()); } string query_location() { return query("location"); } mapping (string:object) fonts = ([]);
38dca81996-12-10Per Hedbor object(Font) load_font(string name, string justification, int xs, int ys)
d47cbf1996-12-02Per Hedbor { object fnt = Font();
38dca81996-12-10Per Hedbor  if(sscanf(name, "%*s/%*s") != 2) name=QUERY(default_size)+"/"+name;
d47cbf1996-12-02Per Hedbor  name = "fonts/" + name;
38dca81996-12-10Per Hedbor  if(!fnt->load( name )) { perror("Failed to load the font "+name+", using the default font.\n"); if(!fnt->load("fonts/"+QUERY(default_size) +"/"+ QUERY(default_font))) error("Failed to load the default font\n"); } if(justification=="right") fnt->right(); if(justification=="center") fnt->center(); fnt->set_x_spacing((100.0+(float)xs)/100.0); fnt->set_y_spacing((100.0+(float)ys)/100.0);
d47cbf1996-12-02Per Hedbor  return fnt; } static private mapping (int:mapping(string:mixed)) cached_args = ([ ]); #define MAX(a,b) ((a)<(b)?(b):(a)) static private mapping (int:array(array(int))) matrixes = ([]); array (array(int)) make_matrix(int size) { if(matrixes[size]) return matrixes[size]; array res; int i; int j; res = map_array(allocate(size), lambda(int s, int size){ return allocate(size); }, size); for(i=0; i<size; i++) for(j=0; j<size; j++) res[i][j] = (int)MAX((float)size/2.0-sqrt((size/2-i)*(size/2-i) + (size/2-j)*(size/2-j)),0); return matrixes[size] = res; }
e439c01996-12-10Per Hedbor object last_image; string last_image_name;
d47cbf1996-12-02Per Hedbor object (Image) load_image(string f) {
e439c01996-12-10Per Hedbor  if(last_image_name==f) return last_image;
d47cbf1996-12-02Per Hedbor  object file = File(); string data; object img = Image();
e439c01996-12-10Per Hedbor  if(!file->open(f,"r")) return 0;
d47cbf1996-12-02Per Hedbor  if(!(data=file->read(0x7fffffff))) return 0;
e439c01996-12-10Per Hedbor  if(!img->frompnm(data) && !img->fromgif(data)) return 0;
97a6931996-12-10Per Hedbor // last_image_name=f; // last_image=img;
e439c01996-12-10Per Hedbor //call_out(lambda(){last_image=last_image_name=0;}, 10);
97a6931996-12-10Per Hedbor  return img/*->copy()*/;
d47cbf1996-12-02Per Hedbor } object (Image) blur(object (Image) img, int amnt) {
bfc7071997-01-13Per Hedbor  img->setcolor(0,0,0); img = img->autocrop(amnt, 0,0,0,0, 0,0,0);
d47cbf1996-12-02Per Hedbor  for(int i=0; i<amnt; i++)
bfc7071997-01-13Per Hedbor  img = img->apply_matrix( make_matrix((int)sqrt(img->ysize()+20)));
d47cbf1996-12-02Per Hedbor  return img; }
bfc7071997-01-13Per Hedbor object (Image) outline(object (Image) on, object (Image) with, array (int) color, int radie, int x, int y) { object foo = Image(with->xsize(), with->ysize(), @color); int steps=10; for(int j=0; j<=steps; j++) on->paste_mask(foo, with,(int)(0.5+x-(sin((float)j/steps*PI*2)*radie)), (int)(0.5+y-(cos((float)j/steps*PI*2)*radie))); foo=0; return on; }
d47cbf1996-12-02Per Hedbor constant white = ({ 255,255,255 }); constant lgrey = ({ 200,200,200 }); constant grey = ({ 128,128,128 }); constant black = ({ 0,0,0 }); constant wwwb = ({ lgrey,lgrey,grey,black });
38dca81996-12-10Per Hedbor object (Image) bevel(object (Image) in, int width, int|void invert)
d47cbf1996-12-02Per Hedbor {
4dfdeb1996-12-04Per Hedbor  int h=in->ysize(); int w=in->xsize();
d47cbf1996-12-02Per Hedbor 
4dfdeb1996-12-04Per Hedbor  object corner = Image(width+1,width+1);
88e1cb1996-12-07David Hedbor  object corner2 = Image(width+1,width+1); object pix = Image(1,1);
38dca81996-12-10Per Hedbor 
88e1cb1996-12-07David Hedbor  for(int i=-1; i<=width; i++) { corner->line(i,width-i,i,-1, @white); corner2->setpixel(width-i, width-i, @white); in->paste_alpha(pix, 185, w - width + i+1, h - width + i+1); }
38dca81996-12-10Per Hedbor  if(!invert) { in->paste_alpha(Image(width,h-width*2,@white), 160, 0, width); in->paste_alpha(Image(width,h-width*2,@black), 128, in->xsize()-width, width); in->paste_alpha(Image(w-width,width,@white), 160, 0, 0); in->paste_alpha(Image(w-width,width,@black), 128, width, in->ysize()-width); } else { corner=corner->invert(); corner2=corner2->invert(); in->paste_alpha(Image(width,h-width*2,@black), 160, 0, width); in->paste_alpha(Image(width,h-width*2,@white), 128, in->xsize()-width, width); in->paste_alpha(Image(w-width,width,@black), 160, 0, 0); in->paste_alpha(Image(w-width,width,@white), 128, width, in->ysize()-width); } in->paste_mask(corner, corner->color(95,95,95), in->xsize()-width,-1); in->paste_mask(corner, corner->invert()->color(128,128,128),
88e1cb1996-12-07David Hedbor  in->xsize()-width,-1);
38dca81996-12-10Per Hedbor  in->paste_mask(corner, corner->color(95,95,95), -1, in->ysize()-width);
88e1cb1996-12-07David Hedbor  in->paste_mask(corner, corner->invert()->color(128,128,128),
38dca81996-12-10Per Hedbor  -1, in->ysize()-width); in->paste_mask(corner2, corner2->color(70,70,70), -1, -1);
88e1cb1996-12-07David Hedbor  corner = corner2 = pix = 0;
d47cbf1996-12-02Per Hedbor  return in; } object (Image) make_text_image(mapping args, object font, string text) { object (Image) text_alpha=font->write(@(text/"\n")); int xoffset=0, yoffset=0;
bfc7071997-01-13Per Hedbor  if(!text_alpha->xsize() || !text_alpha->ysize()) text_alpha = Image(10,10, 0,0,0); // perror("Making image of '%s', args=%O\n", text, args);
d47cbf1996-12-02Per Hedbor  if(int op=((((int)args->opaque)*255)/100)) // Transparent text... text_alpha=text_alpha->color(op,op,op); int txsize=text_alpha->xsize(); int tysize=text_alpha->ysize(); // Size of the text, in pixels. int xsize=txsize; // Image size, in pixels int ysize=tysize;
bfc7071997-01-13Per Hedbor // perror("Xsize=%d; ysize=%d\n",xsize,ysize);
d47cbf1996-12-02Per Hedbor  if(args->bevel) { xoffset += (int)args->bevel; yoffset += (int)args->bevel; xsize += ((int)args->bevel)*2; ysize += ((int)args->bevel)*2; } if(args->spacing) { xoffset += (int)args->spacing; yoffset += (int)args->spacing; xsize += ((int)args->spacing)*2; ysize += ((int)args->spacing)*2; } if(args->yspacing) { yoffset += (int)args->yspacing; ysize += ((int)args->yspacing)*2; }
4dfdeb1996-12-04Per Hedbor  if(args->shadow) { xsize+=((int)(args->shadow/",")[-1])+2; ysize+=((int)(args->shadow/",")[-1])+2; }
d47cbf1996-12-02Per Hedbor  if(args->xspacing) { xoffset += (int)args->xspacing; xsize += ((int)args->xspacing)*2; } if(args->border) { xoffset += (int)args->border; yoffset += (int)args->border; xsize += ((int)args->border)*2; ysize += ((int)args->border)*2; }
4dd97c1996-12-04Per Hedbor  array (int) bgcolor = parse_color(args->bg); array (int) fgcolor = parse_color(args->fg);
d47cbf1996-12-02Per Hedbor  object background,foreground; if(args->texture) foreground = load_image(args->texture);
4dfdeb1996-12-04Per Hedbor  if(args->background) { background = load_image(args->background); xsize = background->xsize(); ysize = background->ysize();
3950bb1996-12-10Per Hedbor  switch(lower_case(args->talign||"left"))
38dca81996-12-10Per Hedbor  { case "center": xoffset = (xsize/2 - txsize/2); break; case "right": xoffset = (xsize - txsize); break; case "left": }
4dfdeb1996-12-04Per Hedbor  } else background = Image(xsize, ysize, @bgcolor);
7866701996-12-10Per Hedbor 
bfc7071997-01-13Per Hedbor  if(args->border) { int b = (int)args->border; background->setcolor(@parse_color((args->border/",")[-1])); for(--b;b>=0;b--) { // upper left -- upper right background->line(b,b, xsize-b-1, b); // lower left -- lower right background->line(b,ysize-b-1, xsize-b-1, ysize-b-1); // upper left -- lower left background->line(b,b, b, ysize-b-1); // upper right -- lower right background->line(xsize-b-1,b, xsize-b-1, ysize-b-1); } }
3950bb1996-12-10Per Hedbor  background->setcolor(@bgcolor);
7866701996-12-10Per Hedbor 
3950bb1996-12-10Per Hedbor  if(args->size || args->xsize || args->ysize) { int xs=background->xsize(), ys=background->ysize(); if(args->size) { xs=(int)args->size; ys=(int)(args->size/",")[-1]; } if(args->xsize) xs=(int)args->xsize; if(args->ysize) ys=(int)args->ysize;
7866701996-12-10Per Hedbor  background = background->copy(0,0,xs,ys);
3950bb1996-12-10Per Hedbor  }
d47cbf1996-12-02Per Hedbor 
3950bb1996-12-10Per Hedbor 
38dca81996-12-10Per Hedbor  if(args->turbulence) { array (float|array(int)) arg=({}); foreach((args->turbulence/";"), string s) { array q= s/","; if(sizeof(q)<2) args+=({ ((float)s)||0.2, ({ 255,255,255 }) }); arg+=({ ((float)q[0])||0.2, parse_color(q[1]) }); } background=background->turbulence(arg); } if(args->bevel) background = bevel(background,(int)args->bevel,!!args->pressed);
d47cbf1996-12-02Per Hedbor  if(args->textbox) // Draw a text-box on the background. {
4dfdeb1996-12-04Per Hedbor  int alpha,border;
d47cbf1996-12-02Per Hedbor  string bg; sscanf(args->textbox, "%d,%s", alpha, bg);
4dfdeb1996-12-04Per Hedbor  sscanf(bg,"%s,%d", bg,border);
38dca81996-12-10Per Hedbor  background->paste_alpha(Image(txsize+border*2,tysize+border*2, @parse_color(bg)), 255-(alpha*255/100),xoffset-border,yoffset-border);
d47cbf1996-12-02Per Hedbor  }
bfc7071997-01-13Per Hedbor 
4dfdeb1996-12-04Per Hedbor  if(args->shadow) { int sd = ((int)args->shadow+10)*2; int sdist = ((int)(args->shadow/",")[-1])+2; object ta = text_alpha->copy(); ta = ta->color(256-sd,256-sd,256-sd); background->paste_mask(Image(txsize,tysize),ta,xoffset+sdist, yoffset+sdist); }
bfc7071997-01-13Per Hedbor  if(args->glow) { int amnt = (int)(args->glow/",")[-1]+2; array (int) blurc = parse_color((args->glow/",")[0]); background->paste_mask(Image(txsize+amnt*2,tysize*2, @blurc), blur(text_alpha, amnt), xoffset-amnt, yoffset-amnt); }
38dca81996-12-10Per Hedbor  if(args->chisel) foreground=text_alpha->apply_matrix( ({ ({8,1,0}),
14179b1997-01-29Per Hedbor  ({1,0,-1}), ({0,-1,-8}) }), 128,128,128, 15 )
38dca81996-12-10Per Hedbor  ->color(@fgcolor); if(!foreground) foreground=Image(txsize, tysize, @fgcolor);
bfc7071997-01-13Per Hedbor  if(args->textscale) { string c1="black",c2="black",c3="black",c4="black"; sscanf(args->textscale, "%s,%s,%s,%s", c1, c2, c3, c4); foreground->tuned_box(0,0, txsize,tysize, ({parse_color(c1),parse_color(c2),parse_color(c3), parse_color(c4)})); } if(args->outline) outline(background, text_alpha, parse_color((args->outline/",")[0]), ((int)(args->outline/",")[-1])+1, xoffset, yoffset);
d47cbf1996-12-02Per Hedbor 
4dfdeb1996-12-04Per Hedbor  background->paste_mask(foreground, text_alpha, xoffset, yoffset);
d47cbf1996-12-02Per Hedbor  foreground = text_alpha = 0; if(args->scale) if((float)args->scale <= 2.0) background = background->scale((float)args->scale); if(args->rotate) { string c;
bfc7071997-01-13Per Hedbor  if(sscanf(args->rotate, "%*d,%s", c)==2)
4dd97c1996-12-04Per Hedbor  background->setcolor(@parse_color(c));
d47cbf1996-12-02Per Hedbor  else background->setcolor(@bgcolor); background = background->rotate((float)args->rotate); }
4dfdeb1996-12-04Per Hedbor  if(args->crop) background = background->autocrop();
d47cbf1996-12-02Per Hedbor  return background; }
c3655b1997-01-27Per Hedbor string base_key = "gtext:"+roxen->current_configuration->name; //void print_colors(array from) //{ // for(int i=0; i<sizeof(from); i++) // perror("%d: %s\n", i, color_name(from[i])); //}
d47cbf1996-12-02Per Hedbor 
d249951996-12-10Per Hedbor int number=time(1), _start=time(1);
d47cbf1996-12-02Per Hedbor array(int)|string write_text(int _args, string text, int size, object id) { object img; mapping args = cached_args[_args];
c3655b1997-01-27Per Hedbor  if(!args) { args=(["fg":"black","bg":"white"]); text="Please reload this page"; }
d47cbf1996-12-02Per Hedbor 
c3655b1997-01-27Per Hedbor  string key = base_key+(_args-_start);
d47cbf1996-12-02Per Hedbor  text = replace(text, ({ "&lt;", "&gt;", "&amp;" }), ({ "<", ">", "&" })); // Check the cache first..
c3655b1997-01-27Per Hedbor  if(mixed data = cache_lookup(key, text))
ba73a21996-12-10Per Hedbor  {
c3655b1997-01-27Per Hedbor  if(args->nocache) // Remove from cache. Very usable for access counters cache_remove(key, text);
ba73a21996-12-10Per Hedbor  if(size) return data[1]; return data[0]; }
d47cbf1996-12-02Per Hedbor  // Nothing found in the cache. Generate a new image.
b551e11996-12-10Per Hedbor 
c3655b1997-01-27Per Hedbor  string fkey = args->font+"/"+args->talign+"/"+args->xpad+"/"+args->ypad; data = cache_lookup("fonts", fkey);
d47cbf1996-12-02Per Hedbor  if(!data) {
3950bb1996-12-10Per Hedbor  data = load_font(args->font, lower_case(args->talign||"left"),(int)args->xpad,(int)args->ypad);
c3655b1997-01-27Per Hedbor  cache_set("fonts", fkey, data);
d47cbf1996-12-02Per Hedbor  } // Fonts and such are now initialized. img = make_text_image(args,data,text); // Now we have the image in 'img', or nothing. if(!img) return 0;
c3655b1997-01-27Per Hedbor  int q = (int)args->quant||(args->background||args->texture?250:QUERY(cols)); if(q>255) q=255; if(q<3) q=3; // Quantify
bfc7071997-01-13Per Hedbor  if(!args->fs)
c3655b1997-01-27Per Hedbor  { // print_colors(img->select_colors(q-1)+({parse_color(args->bg)}));
bfc7071997-01-13Per Hedbor  img = img->map_closest(img->select_colors(q-1)+({parse_color(args->bg)}));
c3655b1997-01-27Per Hedbor  } // place in cache.
d47cbf1996-12-02Per Hedbor  if(args->fs)
4dd97c1996-12-04Per Hedbor  data=({ img->togif_fs(@(args->notrans?({}):parse_color(args->bg))),
d47cbf1996-12-02Per Hedbor  ({img->xsize(),img->ysize()})}); else
4dd97c1996-12-04Per Hedbor  data=({ img->togif(@(args->notrans?({}):parse_color(args->bg))),
d47cbf1996-12-02Per Hedbor  ({img->xsize(),img->ysize()})}); img=0;
c3655b1997-01-27Per Hedbor  cache_set(key, text, data);
d47cbf1996-12-02Per Hedbor  if(size) return data[1]; return data[0]; } mapping find_file(string f, object rid) { string id; sscanf(f,"%d/%s", id, f); return http_string_answer(write_text((int)id,f,0,rid), "image/gif"); } string quote(string in) { string res=""; for(int i=0; i<strlen(in); i++) switch(in[i]) { case 'a'..'z': case 'A'..'Z': case '0'..'9': case '.': case ',': case '!': res += in[i..i]; break; default: res += sprintf("%%%02x", in[i]); } return res; } int find_or_insert(mapping find) { array a = indices(cached_args); array b = values(cached_args); int i; for(i=0; i<sizeof(a); i++) if(equal(find, b[i])) return a[i]; cached_args[number]=find; return number++; } string magic_javascript_header(object id) { if(!id->supports->javascript || !id->supports->images) return ""; return ("<script>\n" "<!-- \n" "version = 1;\n" "browserName = navigator.appName;\n" "browserVer = parseInt(navigator.appVersion); \n" "if(browserName == \"Netscape\" && (browserVer == 3 || browserVer == 4 || browserVer == 5 || browserVer == 6)) \n" " version = \"3\";\n" "else\n" " version= \"1\";\n" "\n" "function stat(txt)\n" "{\n" " top.window.status = txt;\n" "}\n" "\n" "function img_act(imgName, txt)\n" "{\n" " if (version == \"3\") \n" " {\n" " imgOn = eval(imgName + \"2.src\");\n" " document [imgName].src = imgOn;\n" " }\n" " setTimeout(\"stat('\"+txt+\"')\", 100);\n" "}\n" "\n" "function img_inact(imgName)\n" "{\n" " if (version == \"3\") \n" " {\n" " imgOff = eval(imgName + \".src\");\n" " document [imgName].src = imgOff;\n" " }\n" "}\n" "// -->\n" "</script>\n"); } string magic_image(string url, int xs, int ys, string sn, string image_1, string image_2, string alt,
b91fd51996-12-10Per Hedbor  string mess,object id,string input,string extra_args)
d47cbf1996-12-02Per Hedbor { if(!id->supports->images) return alt; if(!id->supports->javascript)
38dca81996-12-10Per Hedbor  return (!input)?
d2a0f11996-12-10David Hedbor  ("<a "+extra_args+"href=\""+url+"\"><img _parsed=1 src="+image_1+" name="+
38dca81996-12-10Per Hedbor  sn+" border=0 alt=\""+alt+"\" ></a>\n"):
b91fd51996-12-10Per Hedbor  ("<input type=image "+extra_args+" src="+image_1+" name="+input+">");
d47cbf1996-12-02Per Hedbor  return ("<script>\n" "<!-- \n" "if(version == \"3\")\n" "{\n" " "+sn+" = new Image("+xs+", "+ys+");\n" " "+sn+".src = \""+image_1+"\";\n" " "+sn+"2 = new Image("+xs+", "+ys+");\n" " "+sn+"2.src = \""+image_2+"\";\n" "}\n" "// -->\n"
38dca81996-12-10Per Hedbor  "</script>\n"+
b91fd51996-12-10Per Hedbor  ("<a "+extra_args+"href=\""+url+"\" "+(input?"onClick='document.forms[0].submit();' ":"")
38dca81996-12-10Per Hedbor  +"onMouseover=\"img_act('"+sn+"','" +(mess||url)+"');return true;\"\n" "\n"
bfc7071997-01-13Per Hedbor  "onMouseout=\"img_inact('"+sn+"')\"><img _parsed=1 width="+xs+" " "height="+ys+" src="+image_1+" name="+sn+" border=0\nalt=\""+alt+"\" ></a>\n"));
d47cbf1996-12-02Per Hedbor }
b91fd51996-12-10Per Hedbor  string extra_args(mapping in) { string s=""; foreach(indices(in), string i) { switch(i) { case "target":
bfc7071997-01-13Per Hedbor  case "hspace": case "vspace": case "onclick":
80739c1996-12-10Per Hedbor  s+=i+"='"+in[i]+"' ";
b91fd51996-12-10Per Hedbor  m_delete(in, i); break; } } return s; }
d47cbf1996-12-02Per Hedbor string tag_graphicstext(string t, mapping arg, string contents, object id, object foo, mapping defines) {
c3655b1997-01-27Per Hedbor // Allow <accessed> and others inside <gtext>. contents = parse_rxml(contents, id, foo, defines);
bfc7071997-01-13Per Hedbor 
d47cbf1996-12-02Per Hedbor  string pre, post, defalign, gt, rest, magic; int i, split; // No images here, let's generate an alternative.. if(!id->supports->images || id->prestate->noimages) { if(!arg->split) contents=replace(contents,"\n", "\n<br>\n");
38dca81996-12-10Per Hedbor  if(arg->submit) return "<input type=submit value=\""+contents+"\">";
d47cbf1996-12-02Per Hedbor  switch(t) { case "gtext": case "anfang": if(arg->href) return "<a href=\""+arg->href+"\">"+contents+"</a>"; return contents; default: if(sscanf(t, "%s%d", t, i)==2) rest="<h"+i+">"+contents+"</h"+i+">"; else rest="<h1>"+contents+"</h1>"; if(arg->href) return "<a href=\""+arg->href+"\">"+rest+"</a>"; return rest; } }
bfc7071997-01-13Per Hedbor  contents = contents[..((int)arg->maxlen||QUERY(deflen))]; m_delete(arg, "maxlen");
d47cbf1996-12-02Per Hedbor  if(arg->magic) { magic=arg->magic; m_delete(arg,"magic"); }
38dca81996-12-10Per Hedbor  int input; if(arg->submit) { input=1; m_delete(arg,"submit"); }
d47cbf1996-12-02Per Hedbor 
80739c1996-12-10Per Hedbor  string lp, url, ea;
bfc7071997-01-13Per Hedbor 
80739c1996-12-10Per Hedbor  ea = extra_args(arg);
bfc7071997-01-13Per Hedbor 
d47cbf1996-12-02Per Hedbor  if(arg->href) { url = arg->href;
80739c1996-12-10Per Hedbor  lp = "<a href=\""+arg->href+"\" "+ea+">";
d47cbf1996-12-02Per Hedbor  if(!arg->fg) arg->fg=defines->link||"#0000ff"; } // Modify the 'arg' mapping... if(defines->fg && !arg->fg) arg->fg=defines->fg; if(defines->bg && !arg->bg) arg->bg=defines->bg; if(defines->font && !arg->font) arg->font=defines->font||QUERY(default_font); if(!arg->font) arg->font = QUERY(default_font); if(arg->split) { split=1; m_delete(arg,"split"); } // Support for <gh 2> like things. for(i=2; i<10; i++) if(arg[(string)i]) { arg->scale = 1.0 / ((float)i*0.6); m_delete(arg, (string)i); } // Support for <gh1> like things. if(sscanf(t, "%s%d", t, i)==2) if(i > 1) arg->scale = 1.0 / ((float)i*0.6); // Now the 'args' mapping is modified enough.. int num = find_or_insert( arg ); gt=contents; rest=""; if(split) { string word; array res = ({}); string pre = query_location()+num+"/"; if(lp) res+=({ lp }); gt=replace(gt, "\n", " "); foreach(gt/" "-({""}), word) { array size = write_text(num,word,1,0);
d2a0f11996-12-10David Hedbor  res += ({ "<img _parsed=1 border=0 alt=\""+replace(word,"\"","'")
d47cbf1996-12-02Per Hedbor  +"\" src=\'"+pre+quote(word)+"\' width="+
bfc7071997-01-13Per Hedbor  size[0]+" height="+size[1]+" "+ea+">\n"
d47cbf1996-12-02Per Hedbor  }); } if(lp) res+=({ "</a>" }); return res*""; } switch(t) { case "gh1": case "gh2": case "gh3": case "gh4": case "gh5": case "gh6": case "gh7": case "gh": pre="<p>"; post="<br>"; defalign="top"; break; case "gtext": pre=""; post=""; defalign="bottom"; break; case "anfang": gt=contents[0..0]; rest=contents[1..]; pre="<br clear=left>"; post=""; defalign="left"; break; } array size = write_text(num,gt,1,0); if(magic) { string res = "";
bfc7071997-01-13Per Hedbor  if(!arg->fg) arg->fg=defines->link||"#0000ff";
d47cbf1996-12-02Per Hedbor  arg = mkmapping(indices(arg), values(arg));
bfc7071997-01-13Per Hedbor  if(arg->fuzz) { if(arg->fuzz != "fuzz") arg->glow = arg->fuzz; else arg->glow = arg->fg; }
d47cbf1996-12-02Per Hedbor  arg->fg = defines->alink||"#ff0000";
38dca81996-12-10Per Hedbor  if(arg->bevel) arg->pressed=1;
d47cbf1996-12-02Per Hedbor  int num2 = find_or_insert(arg); array size = write_text(num2,gt,1,0);
38dca81996-12-10Per Hedbor  if(!defines->magic_java) res = magic_javascript_header(id);
d47cbf1996-12-02Per Hedbor  defines->magic_java="yes"; return res + magic_image(url||"", size[0], size[1],
bfc7071997-01-13Per Hedbor  "i"+(num+""+hash(gt,0x7fffffff)+hash(url||"",0x7fffffff))+"g",
d47cbf1996-12-02Per Hedbor  query_location()+num+"/"+quote(gt), query_location()+num2+"/"+quote(gt), replace(gt, "\"","'"),(magic=="magic"?0:magic),
80739c1996-12-10Per Hedbor  id,input?(arg->name||"submit"):0,ea);
d47cbf1996-12-02Per Hedbor  }
38dca81996-12-10Per Hedbor  if(input && id->supports->images) return (pre+"<input type=image name=\""+arg->name+"\" border=0 alt=\""+ replace(gt,"\"","'")+"\" src="+query_location()+num+"/"+quote(gt)
bfc7071997-01-13Per Hedbor  +" align="+(arg->align?arg->align:defalign)+ea+
38dca81996-12-10Per Hedbor  " width="+size[0]+" height="+size[1]+">"+rest+post);
d47cbf1996-12-02Per Hedbor  return (pre+(lp?lp:"")+
d2a0f11996-12-10David Hedbor  "<img _parsed=1 border=0 alt=\""+replace(gt,"\"","'")+"\" src="+
bfc7071997-01-13Per Hedbor  query_location()+num+"/"+quote(gt)+" "+ea
d47cbf1996-12-02Per Hedbor  +" align="+(arg->align?arg->align:defalign)+ " width="+size[0]+" height="+size[1]+">"+rest+(lp?"</a>":"")+post); }
bfc7071997-01-13Per Hedbor inline string ns_color(array (int) col) { if(!arrayp(col)||sizeof(col)!=3) return "#000000"; return sprintf("#%02x%02x%02x", col[0],col[1],col[2]); } string make_args(mapping in) { array a=indices(in), b=values(in); for(int i=0; i<sizeof(a); i++) if(lower_case(b[i])!=a[i]) if(search(b,"\"")==-1) a[i]+="=\""+b[i]+"\""; else a[i]+="='"+b[i]+"'"; return a*" "; }
d47cbf1996-12-02Per Hedbor string tag_body(string t, mapping args, object id, object file, mapping defines) {
bfc7071997-01-13Per Hedbor  int cols,changed; if(args->bgcolor||args->text||args->link||args->alink ||args->background||args->vlink) cols=1; #define FIX(Y,Z,X) do{if(!args->Y){if(cols){defines->X=Z;args->Y=Z;changed=1;}}else{defines->X=args->Y;if(args->Y[0]!='#'){args->Y=ns_color(parse_color(args->Y));changed=1;}}}while(0)
0ee0851997-02-08Per Hedbor  if(!search(id->client*"","Mosaic")) { FIX(bgcolor,"#bfbfbf",bg); FIX(text, "#000000",fg); FIX(link, "#0000b0",link); FIX(alink, "#3f0f7b",alink); FIX(vlink, "#ff0000",vlink); } else { FIX(bgcolor,"#c0c0c0",bg); FIX(text, "#000000",fg); FIX(link, "#0000ee",link); FIX(alink, "#ff0000",alink); FIX(vlink, "#551a8b",vlink); } if(changed) return ("<body "+make_args(args)+">");
d47cbf1996-12-02Per Hedbor }
bfc7071997-01-13Per Hedbor string tag_fix_color(string tagname, mapping args, object id, object file, mapping defines) { int changed; #define FIX(X,Y) if(args->X){defines->Y=args->X;if(args->X[0]!='#'){args->X=ns_color(parse_color(args->X));changed = 1;}} FIX(bgcolor,bg); FIX(text,fg); FIX(color,fg); if(changed)return ("<"+tagname+" "+make_args(args)+">"); return 0; }
d47cbf1996-12-02Per Hedbor 
bfc7071997-01-13Per Hedbor mapping query_tag_callers()
d47cbf1996-12-02Per Hedbor {
bfc7071997-01-13Per Hedbor  return ([ "body":tag_body, "font":tag_fix_color, "table":tag_fix_color, "tr":tag_fix_color, "td":tag_fix_color ]);
d47cbf1996-12-02Per Hedbor } mapping query_container_callers() { return ([ "anfang":tag_graphicstext, "gh":tag_graphicstext,
bfc7071997-01-13Per Hedbor  "gh1":tag_graphicstext, "gh2":tag_graphicstext, "gh3":tag_graphicstext, "gh4":tag_graphicstext, "gh5":tag_graphicstext, "gh6":tag_graphicstext, "gh7":tag_graphicstext, "gh8":tag_graphicstext, "gh9":tag_graphicstext, "gh10":tag_graphicstext, "gh11":tag_graphicstext,"gh12":tag_graphicstext,
d47cbf1996-12-02Per Hedbor  "gtext":tag_graphicstext, ]); }