Roxen.git/ server/ modules/ graphics/ graphic_text.pike

Branch: Tag:

1997-03-01

1997-03-01 13:25:34 by Henrik Grubbström (Grubba) <grubba@grubba.org>

Updated to version 1.37.

Rev: server/modules/graphics/graphic_text.pike:1.23.2.5

1: - string cvs_version="$Id: graphic_text.pike,v 1.23.2.4 1997/02/24 20:36:01 grubba Exp $"; + string cvs_version="$Id: graphic_text.pike,v 1.23.2.5 1997/03/01 13:25:34 grubba Exp $";   #include <module.h>   inherit "module";   inherit "roxenlib";    -  + #if efun(_static_modules) + # define map_array Array.map + import Image; + #else + # define image Image + # define font Font + #endif      array register_module()   {
56:    " xpad=X% Increase padding between characters with X%\n"    " xpad=Y% Increase padding between lines with Y%\n"    " shadow=int,dist Draw a drop-shadow (variable distance/intensity)\n" +  " bshadow=dist Draw a blured drop-shadow (variable distance)\n"    " glow=color Draw a 'glow' outline around the text.\n"    " opaque=0-100% Draw with more or less opaque text (100%\n"    " is default)\n"
126:      mapping (string:object) fonts = ([]);    - object(Font) load_font(string name, string justification, int xs, int ys) + object(font) load_font(string name, string justification, int xs, int ys)   { -  object fnt = Font(); +  object fnt = font();       if ((!name)||(name == "")) {    name = QUERY(default_size)+"/"+QUERY(default_font);
144:    if(!fnt->load("fonts/"+QUERY(default_size) +"/"+ QUERY(default_font)))    error("Failed to load the default font\n");    } -  +  catch {    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); +  if(xs)fnt->set_x_spacing((100.0+(float)xs)/100.0); +  if(ys)fnt->set_y_spacing((100.0+(float)ys)/100.0); +  };    return fnt;   }   
172:    return matrixes[size] = res;   }    + string fix_relative(string file, object id) + { +  if(file != "" && file[0] == '/') return file; +  file = combine_path(dirname(id->not_query) + "/", file); +  return file; + }    - object last_image; + object last_image; // Cache the last image for a while.   string last_image_name; - object (Image) load_image(string f) + object (image) load_image(string f,object id)   {    if(last_image_name==f) return last_image; -  object file = File(); +     string data; -  object img = Image(); +  object file; +  object img = image();    -  if(!file->open(f,"r")) return 0; -  if(!(data=file->read(0x7fffffff))) return 0; +  if(!(data=roxen->try_get_file(fix_relative(f, id),id))) +  if(!(file=open(f,"r")) || (!(data=file->read(0x7fffffff)))) +  return 0; +     if(!img->frompnm(data) && !img->fromgif(data)) return 0;    - // last_image_name=f; - // last_image=img; - //call_out(lambda(){last_image=last_image_name=0;}, 10); -  return img/*->copy()*/; +  last_image_name=f; +  last_image=img; +  call_out(lambda(){last_image=0;last_image_name=0;}, 0); +  return img->copy();   }    - object (Image) blur(object /* (Image) */ img, int amnt) + object (image) blur(object (image) img, int amnt)   {    img->setcolor(0,0,0);    img = img->autocrop(amnt, 0,0,0,0, 0,0,0);
202:    return img;   }    - object (Image) outline(object (Image) on, object (Image) with, + 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); +  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))); +  on->paste_mask(foo, with,(int)(0.5+x-(sin((float)j/steps*3.145*2)*radie)), +  (int)(0.5+y-(cos((float)j/steps*3.145*2)*radie)));    foo=0;    return on;   }    - constant white = ({ 255,255,255 }); - constant lgrey = ({ 200,200,200 }); - constant grey = ({ 128,128,128 }); - constant black = ({ 0,0,0 }); + array white = ({ 255,255,255 }); + array lgrey = ({ 200,200,200 }); + array grey = ({ 128,128,128 }); + array black = ({ 0,0,0 });    - constant wwwb = ({ lgrey,lgrey,grey,black }); - object (Image) bevel(object (Image) in, int width, int|void invert) + array wwwb = ({ lgrey,lgrey,grey,black }); + object (image) bevel(object (image) in, int width, int|void invert)   {    int h=in->ysize();    int w=in->xsize();    -  object corner = Image(width+1,width+1); -  object corner2 = Image(width+1,width+1); -  object pix = Image(1,1); +  object corner = image(width+1,width+1); +  object corner2 = image(width+1,width+1); +  object pix = image(1,1);       for(int i=-1; i<=width; i++) {    corner->line(i,width-i,i,-1, @white);
238:       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); +  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_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);
265:   }       - object (Image) make_text_image(mapping args, object font, string text) + object (image) make_text_image(mapping args, object font, string text,object id)   { -  object /* (Image) */ text_alpha=font->write(@(text/"\n")); +  object (image) text_alpha=font->write(@(text/"\n"));    int xoffset=0, yoffset=0;       if(!text_alpha->xsize() || !text_alpha->ysize()) -  text_alpha = Image(10,10, 0,0,0); +  text_alpha = image(10,10, 0,0,0);      // perror("Making image of '%s', args=%O\n", text, args);   
281:    int txsize=text_alpha->xsize();    int tysize=text_alpha->ysize(); // Size of the text, in pixels.    -  int xsize=txsize; // Image size, in pixels +  int xsize=txsize; // image size, in pixels    int ysize=tysize;      // perror("Xsize=%d; ysize=%d\n",xsize,ysize);
314:    ysize+=((int)(args->shadow/",")[-1])+2;    }    +  if(args->bshadow) +  { +  xsize+=(int)args->bshadow+3; +  ysize+=(int)args->bshadow+3; +  } +  +  if(args->move) +  { +  int dx,dy; +  sscanf(args->move, "%d,%d", dx, dy); +  xoffset += dx; +  yoffset += dy; +  } +     if(args->xspacing)    {    xoffset += (int)args->xspacing;
335:    object background,foreground;       -  if(args->texture) foreground = load_image(args->texture); +  if(args->texture) foreground = load_image(args->texture,id);    -  if((args->background) && (background = load_image(args->background))) { +  if((args->background) && (background = load_image(args->background, id))) {    xsize = background->xsize();    ysize = background->ysize();    switch(lower_case(args->talign||"left")) {    case "center":    xoffset = (xsize/2 - txsize/2); -  +  yoffset = (ysize/2 - tysize/2);    break;    case "right":    xoffset = (xsize - txsize);
350:    case "left":    }    } else -  background = Image(xsize, ysize, @bgcolor); +  background = image(xsize, ysize, @bgcolor);       if(args->border)    {
406:    string bg;    sscanf(args->textbox, "%d,%s", alpha, bg);    sscanf(bg,"%s,%d", bg,border); -  background->paste_alpha(Image(txsize+border*2,tysize+border*2, +  background->paste_alpha(image(txsize+border*2,tysize+border*2,    @parse_color(bg)),    255-(alpha*255/100),xoffset-border,yoffset-border);    }
418:    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); +  background->paste_mask(image(txsize,tysize),ta,xoffset+sdist, yoffset+sdist);    }    -  + #define MIN(x,y) ((x)<(y)?(x):(y)) +  +  if(args->bshadow) +  { +  int sdist = (int)(args->bshadow)+1; +  int xs,ys; +  xs = text_alpha->xsize()+sdist*2+4; +  ys = text_alpha->ysize()+sdist*2+4; +  object ta = image(xs,ys); +  ta->paste(text_alpha,sdist,sdist); +  ta = blur(ta, MIN((sdist/2),1))->color(256,256,256); +  background->paste_mask(image(xs,ys),ta,xoffset, yoffset); +  } +     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), +  background->paste_mask(image(txsize+amnt*2,tysize*2, @blurc),    blur(text_alpha, amnt),    xoffset-amnt, yoffset-amnt);    }
437:    ->color(@fgcolor);       -  if(!foreground) foreground=Image(txsize, tysize, @fgcolor); +  if(!foreground) foreground=image(txsize, tysize, @fgcolor);    if(args->textscale)    {    string c1="black",c2="black",c3="black",c4="black";
482:   // perror("%d: %s\n", i, color_name(from[i]));   //}    - int number=time(1), _start=time(1); + int number=(time(1)/10) % 1000, _start=time(1)/10 % 1000;      array(int)|string write_text(int _args, string text, int size,    object id)
520:       // Fonts and such are now initialized.    -  img = make_text_image(args,data,text); +  img = make_text_image(args,data,text,id);       // Now we have the image in 'img', or nothing.   
586:    array b = values(cached_args);    int i;    for(i=0; i<sizeof(a); i++) -  if(equal(find, b[i])) return a[i]; +  if(equal(find, b[i])) { + // perror("Found old args..\n"); +  return a[i]; +  } +  + // perror("Using new args..\n%O\n", find); +     cached_args[number]=find;    return number++;   }
596:   {    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<script>\n" +  "function img_act(ri,hi,txt)\n"    "{\n" -  " top.window.status = txt;\n" +  " document.images[ri].src = hi.src;\n" +  " setTimeout(\"top.window.status = '\"+txt+\"'\", 100);\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");   }   
647:       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" +  " "+sn+"l = new Image("+xs+", "+ys+");"+sn+"l.src = \""+image_1+"\";\n" +  " "+sn+"h = new Image("+xs+", "+ys+");"+sn+"h.src = \""+image_2+"\";\n"    "</script>\n"+ -  ("<a "+extra_args+"href=\""+url+"\" "+(input?"onClick='document.forms[0].submit();' ":"") -  +"onMouseover=\"img_act('"+sn+"','" -  +(mess||url)+"');return true;\"\n" -  "\n" -  "onMouseout=\"img_inact('"+sn+"')\"><img _parsed=1 width="+xs+" " -  "height="+ys+" src="+image_1+" name="+sn+" border=0\nalt=\""+alt+"\" ></a>\n")); +  ("<a "+extra_args+"href=\""+url+"\" "+ +  (input?"onClick='document.forms[0].submit();' ":"") +  +"onMouseover=\"img_act('"+sn+"',"+sn+"h,'"+(mess||url)+"');\"\n" +  "onMouseout='document.images[\""+sn+"\"].src = "+sn+"l.src;'><img " +  "_parsed=1 width="+xs+" height="+ys+" src="+image_1+" name="+sn+ +  " border=0 alt=\""+alt+"\" ></a>\n"));   }      
685:    return s;   }    + string tag_gtext_id(string t, mapping arg, +  object id, object foo, mapping defines) + { +  int short=!!arg->short; +  m_delete(arg, "short"); m_delete(arg, "maxlen"); +  m_delete(arg,"magic"); m_delete(arg,"submit"); +  extra_args(arg); m_delete(arg,"split"); +  if(defines->fg && !arg->fg) arg->fg=defines->fg; +  if(defines->bg && !arg->bg) arg->bg=defines->bg; +  if(!arg->font) arg->font=defines->font||QUERY(default_font); +  +  int num = find_or_insert( arg ); +  +  if(!short) +  return query_location()+num+"/"; +  else +  return (string)num; + } +    string tag_graphicstext(string t, mapping arg, string contents,    object id, object foo, mapping defines)   {   // Allow <accessed> and others inside <gtext>. -  contents = parse_rxml(contents, id, foo/*, defines */); +     -  + #if efun(_static_modules) +  contents = parse_rxml(contents, id, foo, defines); + #else +  contents = parse_rxml(contents, id, foo); + #endif +     string pre, post, defalign, gt, rest, magic;    int i, split;   
698:    if(!id->supports->images || id->prestate->noimages)    {    if(!arg->split) contents=replace(contents,"\n", "\n<br>\n"); -  if(arg->submit) return "<input type=submit value=\""+contents+"\">"; +  if(arg->submit) return "<input type=submit name=\""+(arg->name+".x")+"\" value=\""+contents+"\">";    switch(t)    {    case "gtext":
738:       ea = extra_args(arg);    +  // Modify the 'arg' mapping...    if(arg->href)    {    url = arg->href;    lp = "<a href=\""+arg->href+"\" "+ea+">";    if(!arg->fg) arg->fg=defines->link||"#0000ff"; -  +  m_delete(arg, "href");    }    -  // 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->font) arg->font=defines->font||QUERY(default_font);       if(arg->split)    {
763:    {    arg->scale = 1.0 / ((float)i*0.6);    m_delete(arg, (string)i); +  break;    }       // Support for <gh1> like things.    if(sscanf(t, "%s%d", t, i)==2)    if(i > 1) arg->scale = 1.0 / ((float)i*0.6);    -  +  string na = arg->name, al=arg->align; +  m_delete(arg, "name"); m_delete(arg, "align");       // Now the 'args' mapping is modified enough..    int num = find_or_insert( arg );
788:       foreach(gt/" "-({""}), word)    { -  array size = write_text(num,word,1,0); +  array size = write_text(num,word,1,id);    res += ({ "<img _parsed=1 border=0 alt=\""+replace(word,"\"","'")    +"\" src=\'"+pre+quote(word)+"\' width="+    size[0]+" height="+size[1]+" "+ea+">\n"
812:    break;    }    -  array size = write_text(num,gt,1,0); +  array size = write_text(num,gt,1,id);       if(magic)    {
828:    }    arg->fg = defines->alink||"#ff0000";    if(arg->bevel) arg->pressed=1; +     int num2 = find_or_insert(arg); -  array size = write_text(num2,gt,1,0); +  array size = write_text(num2,gt,1,id); +     if(!defines->magic_java) res = magic_javascript_header(id);    defines->magic_java="yes"; -  return res + magic_image(url||"", size[0], size[1], -  "i"+(num+""+hash(gt,0x7fffffff)+hash(url||"",0x7fffffff))+"g", +  +  return res + +  magic_image(url||"", size[0], size[1], "i"+(defines->mi++),    query_location()+num+"/"+quote(gt),    query_location()+num2+"/"+quote(gt),    replace(gt, "\"","'"),(magic=="magic"?0:magic), -  id,input?(arg->name||"submit"):0,ea); +  id,input?na||"submit":0,ea);    } -  if(input && id->supports->images) -  return (pre+"<input type=image name=\""+arg->name+"\" border=0 alt=\""+ +  if(input) +  return (pre+"<input type=image name=\""+na+"\" border=0 alt=\""+    replace(gt,"\"","'")+"\" src="+query_location()+num+"/"+quote(gt) -  +" align="+(arg->align?arg->align:defalign)+ea+ +  +" align="+(al || defalign)+ea+    " width="+size[0]+" height="+size[1]+">"+rest+post);    return (pre+(lp?lp:"")+    "<img _parsed=1 border=0 alt=\""+replace(gt,"\"","'")+"\" src="+    query_location()+num+"/"+quote(gt)+" "+ea -  +" align="+(arg->align?arg->align:defalign)+ +  +" align="+(al || defalign)+    " width="+size[0]+" height="+size[1]+">"+rest+(lp?"</a>":"")+post);   }   
881:      #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)    +  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,"#0000ff",link); -  FIX(alink,"#00ffff",alink); -  FIX(vlink,"#2000ee",vlink); -  if(changed) -  return ("<body "+make_args(args)+">"); +  FIX(text, "#000000",fg); +  FIX(link, "#0000ee",link); +  FIX(alink, "#ff0000",alink); +  FIX(vlink, "#551a8b",vlink);    } -  +  if(changed) return ("<body "+make_args(args)+">"); + }    -  +    string tag_fix_color(string tagname, mapping args, object id, object file,    mapping defines)   {    int changed; -  +  +  if(!id->misc->colors) +  id->misc->colors = ({ ({ defines->fg, defines->bg, tagname }) }); +  else +  id->misc->colors += ({ ({ defines->fg, defines->bg, tagname }) }); + // perror("Push color "+tagname+"\n");   #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);
903:    return 0;   }    + string pop_color(string tagname,mapping args,object id,object file, +  mapping defines) + { +  array c = id->misc->colors; +  sscanf(tagname, "/%s", tagname); +  while(c && sizeof(c)) +  { +  if(c[-1][2]==tagname) +  { +  defines->fg = c[-1][0]; +  defines->bg = c[-1][1]; + // perror("Pop color "+tagname+" ("+ + // (sizeof(id->misc->colors)-sizeof(c)+1)+")\n"); +  break; +  } +  c = c[..sizeof(c)-2]; +  } +  id->misc->colors = c; + } +    mapping query_tag_callers()   {    return ([ -  "body":tag_body, "font":tag_fix_color, +  "body":tag_body, +  "gtext-id":tag_gtext_id, +  "font":tag_fix_color,    "table":tag_fix_color, -  "tr":tag_fix_color, "td":tag_fix_color +  "tr":tag_fix_color, +  "td":tag_fix_color, +  "layer":tag_fix_color, +  "ilayer":tag_fix_color, +  +  "/td":pop_color, +  "/tr":pop_color, +  "/font":pop_color, +  "/body":pop_color, +  "/table":pop_color, +  "/layer":pop_color, +  "/ilayer":pop_color,    ]);   }