77f4fa2000-12-02Martin Nilsson /* * Map of the Earth. */ #define ERR(msg) throw(({ msg+"\n", backtrace() })) mapping(string:string) aliases = ([ "usa":"United States of America", "us":"United States of America", "russia":"Russian Federation", "united kingdom":"England", "uk":"England", "vietnam":"Viet Nam" ]); mapping(string:string) domain_to_country = ([ /* 132 elements */ "af":"afghanistan", "al":"albania", "dz":"algeria", "ao":"angola", "ar":"argentina", "am":"armenia", "aw":"aruba", "au":"australia", "at":"austria", "az":"azerbaijan", "bs":"bahamas", "bd":"bangladesh", "be":"belgium", "bj":"benin", "bm":"bermuda", "bt":"bhutan", "bo":"bolivia", "ba":"bosnia and herzegovina", "burma":"burma", "bw":"botswana", "br":"brazil", "bg":"bulgaria", "bf":"burkina faso", "bi":"burundi", "cm":"cameroon", "ca":"canada", "cf":"central african republic", "td":"chad", "cl":"chile", "cn":"china", "hk":"china", "co":"colombia", "cg":"congo", "cr":"costa rica", "ci":"côte d'ivoire", "hr":"croatia", "cu":"cuba", "cy":"cyprus", "cz":"czechoslovakia", "dk":"denmark", "djibouti":"djibouti", "do":"dominican republic", "eg":"egypt", "sv":"el salvador", "vg":"england", "gb":"england", "uk":"england", "gq":"equatorial guinea", "ee":"estonia", "et":"ethiopia", "fi":"finland", "fr":"france", "fx":"france", "nc":"france", "gf":"french guiana", "ga":"gabon", "gm":"gambia", "ge":"georgia", "de":"germany", "gh":"ghana", "gr":"greece", "gl":"greenland", "gt":"guatemala", "gn":"guinea", "gw":"guinea-bissau", "gy":"guyana", "hu":"hungary", "is":"iceland", "in":"india", "ir":"iran", "iq":"iraq", "ie":"ireland", "il":"israel", "va":"italy", "it":"italy", "jm":"jamaica", "jp":"japan", "jo":"jordan", "kh":"cambodia", "ec":"ecuador", "ht":"haiti", "kh":"kampuchea", "kg":"kyrgyzstan", "hn":"honduras", "by":"belarus", "kz":"kazakhstan", "ke":"kenya", "kw":"kuwait", "la":"laos", "lv":"latvia", "lb":"lebanon", "ls":"lesotho", "lr":"liberia", "ly":"libya", "lt":"lithuania", "mg":"madagascar", "my":"malaysia", "ml":"mali", "mr":"mauritania", "mx":"mexico", "md":"moldavia", "mn":"mongolia", "ma":"morocco", "mz":"mozambique", "na":"namibia", "np":"nepal", "nl":"netherlands", "nz":"new zealand", "ni":"nicaragua", "ne":"niger", "ng":"nigeria", "kp":"north korea", "no":"norway", "om":"oman", "pk":"pakistan", "pa":"panama", "pg":"papua new guinea", "py":"paraguay", "pe":"peru", "ph":"philippines", "pl":"poland", "pt":"portugal", "qa":"qatar", "ro":"romania", "rw":"rwanda", "sa":"saudi arabia", "sn":"senegal", "sl":"sierra leone", "so":"somalia", "za":"south africa", "kr":"south korea", "es":"spain", "lk":"sri lanka", "sd":"sudan", "sr":"suriname", "sz":"swaziland", "se":"sweden", "ch":"switzerland", "sy":"syria", "tw":"taiwan", "tj":"tajikistan", "tz":"tanzania", "th":"thailand", "tg":"togo", "tt":"trinidad and tobago", "tn":"tunisia", "tr":"turkey", "tm":"turkmenistan", "ug":"uganda", "ua":"ukraine", "ae":"united arab emirates", "uy":"uruguay", "vi":"united states of america", "us":"united states of america", "gu":"united states of america", "com":"united states of america", "net":"united states of america", "org":"united states of america", "edu":"united states of america", "gov":"united states of america", "mil":"united states of america", "nato":"united states of america", "su":"russian federation", "ru":"russian federation", "uz":"uzbekistan", "ve":"venezuela", "vn":"viet nam", "eh":"western sahara", "ye":"yemen", "yu":"yugoslavia", "zr":"zaire", "zm":"zambia", "zw":"zimbabwe", ]); class Legend { static private string state_color_scheme = "white-to-red"; static private mapping color_schemes = ([ "white-to-red": ([ 0:({ 0xff,0xff,0xff }), 1:({ 0xe0,0xc0,0x80 }), 2:({ 0xe0,0x80,0x40 }), 3:({ 0xd0,0x40,0x00 }), 4:({ 0x80,0x00,0x00 }) ]), "white-to-green": ([ 0:({ 0xff,0xff,0xff }), 1:({ 0xe0,0xe0,0x80 }), 2:({ 0x80,0xe0,0x40 }), 3:({ 0x40,0xd0,0x00 }), 4:({ 0x00,0x80,0x00 }) ]), "white-to-purpur": ([ 0:({ 0xff,0xff,0xff }), 1:({ 0xe0,0xc0,0xe0 }), 2:({ 0xe0,0x80,0xe0 }), 3:({ 0xd0,0x40,0xd0 }), 4:({ 0x80,0x00,0x80 }) ]) ]); object scheme(string color_scheme) { state_color_scheme = color_scheme; return this_object(); } array(string) schemes() { return sort(indices(color_schemes)); } array(int) color_blend(float x, array(int) c1, array(int) c2) { array(int) c = allocate(3); for(int i = 0; i < 3; i++) c[i] = (int) ((1.0-x)*c1[i] + x*c2[i]); return c; } array(int) color_scale(float x, string|void color_scheme) { if(x < 0.0 | x > 1.0) ERR(sprintf("Value of the scale (%f).", x)); color_scheme = color_scheme || state_color_scheme; if(x == 0 || x == 0.0) return color_schemes[color_scheme][0]; float adj = (float)sizeof(color_schemes[color_scheme])-2.01; int i = (int)(x*adj); return color_blend(x*adj-(float)i, color_schemes[color_scheme][i+1], color_schemes[color_scheme][i+2]); } string float_to_eng(float x) { array(string) suffix = ({ "a", "f", "p", "n", "u", "m", "", "k", "M", "G", "T", "P", "E" }); float y = floor(log(x)/log(1000.0)); if((0.1 <= x && x <= 1.0) || y < -6.0 || 6.0 < y) y = 0.0; return sprintf("%g%s", x/exp(y*log(1000.0)), suffix[(int)y+6])-" "; } object image(int fixed_width, int fixed_height, mapping|void opt) { opt = opt || ([]); for(int i = 0; i < sizeof(opt->titles||({})); i++) if(floatp(opt->titles[i]) || intp(opt->titles[i])) opt->titles[i] = float_to_eng((float)opt->titles[i]); opt->color_scheme = opt->color_scheme || state_color_scheme; opt->border = opt->border || 20; opt->title = opt->title || ""; opt->title_color = opt->title_color || ({ 0xff,0xff,0xff }); opt->background_color = opt->background_color || ({ 0x10,0x10,0x40 }); opt->titles = ({ "1" })+ (opt->titles || ({ "" })); object font = opt->font; // Image.font("default"); int nom = font->height(); int title_h = nom*sizeof(opt->title/"\n")+nom/2; int bar_h = 6*nom; int width = max(font->text_extents(@opt->title/"\n")[0], font->text_extents(@opt->titles)[0] + nom+nom/2); int height = title_h + bar_h + 2*nom + nom; object img = Image.image(width, height+100, @opt->background_color); img->paste_alpha_color(font->write(@(opt->title/"\n")), @opt->title_color, 0, 0); for(int i = 0; i < bar_h; i++) img->line(0, title_h+i, nom, title_h+i, @color_scale(1.0 - i/(float)(bar_h), opt->color_scheme)); img->box(0, title_h+bar_h+nom/2, nom, title_h+bar_h+nom/2+(int)(nom*0.8), @color_scale(0, opt->color_scheme)); img->paste_alpha_color(font->write("0")->scale(0.8), @opt->title_color, nom+nom/2, title_h+bar_h+nom/2); for(int i = 0; i < sizeof(opt->titles); i++) { int y = title_h + ((bar_h-1)*i)/((sizeof(opt->titles)-1)||1); img->paste_alpha_color(font->write(reverse(opt->titles)[i])->scale(0.8), @opt->title_color, nom+nom/2, y-(int) (0.8*nom/2)); } img = img->autocrop()->setcolor(@opt->background_color); img = img->copy(-opt->border, -opt->border, img->xsize()+opt->border-1, img->ysize()+opt->border-1); return img->scale(min(min(fixed_width/(float)img->xsize(), 1.0), min(fixed_height/(float)img->ysize(), 1.0))); } } static private mapping map_of_the_earth =
b11af32000-12-02Martin Nilsson  decode_value(Stdio.read_bytes("etc/maps/worldmap"));
77f4fa2000-12-02Martin Nilsson  class Earth { static string state_region; static string state_country; // Aliases. mapping(string:array(string)) country_name_aliases = ([ "United States of America":({ "USA", "US" }), "Russian Federation":({ "Russia" }), "England":({ "United Kingdom", "UK" }), "Viet Nam":({ "Vietnam" }), ]); // Official names. mapping(string:string) official_country_names = ([ "Iran":"Iran (Islamic Republic of)", "England":"United Kingdom of Great Britain and Northern Ireland", "Tanzania":"United Republic of Tanzania", "Libya":"Libyan Arab Jamahiriya", "North Korea":"Democratic People's Republic of Korea", "Syria":"Syrian Arab Republic", "Laos":"Lao People's Democratic Republic", "South Korea":"Republic of Korea" ]); object region(string new_region) { return object_program(this_object())(new_region, state_country); } array(string) regions() { return sort(({ "World", "Europe", "Asia", "Africa", "Arab States", "North America", "South America", "Oceania" })); } object country(string new_country) { return object_program(this_object())(state_region, new_country); } static private string capitalize_country(string s) { return Array.map(s/" ", lambda(string w) { switch(w) { case "of": case "and": return w; default: return capitalize(w); } })*" "; } array(string) countries() { return sort(Array.map(indices(map_of_the_earth), capitalize_country)); } mixed polygons() { if(state_country) return map_of_the_earth[state_country]; } static private array(float) transform(float x, float y, mapping opt) { y = 1.0-y; switch(lower_case(opt->region||state_region||"")) { case "europe": x = (x-0.33)*3.0; y = (y-0.05)*3.0; break; case "africa": x = (x-0.20)*1.5; y = (y-0.25)*1.5; break; case "arab states": x = (x-0.46)*3.0; y = (y-0.20)*3.0; break; case "north america": x = (x-0.00)*2.0; y = (y-0.05)*2.0; break; case "south america": x = (x-0.00)*1.5; y = (y-0.40)*1.5; break; case "south east asia": x = (x-0.57)*2.0; y = (y-0.17)*2.0; break; case "oceania": x = (x-0.63)*2.0; y = (y-0.47)*2.0; break; default: } return ({ x, y }); } object image(int width, int height, mapping|void opt) { opt = opt || ([]); opt->color_sea = opt->color_sea || ({ 0x10,0x10,0x40 }); opt->color_fu = opt->color_fu || lambda() { return ({ 0xff,0xff,0xff }); }; Image.image map = Image.image(width, height, @opt->color_sea); foreach(indices(map_of_the_earth), string cntry) { map->setcolor(@opt->color_fu(cntry, @(opt->fu_args||({})))); foreach(map_of_the_earth[cntry], array(float) original_vertices) { array(float) vertices = copy_value(original_vertices); for(int v = 0; v < sizeof(vertices); v += 2) { array(float) a = transform(vertices[v+0], vertices[v+1], opt); vertices[v+0] = a[0]*width; vertices[v+1] = a[1]*height; } map->polyfill(vertices); } } // Add markers if(opt->markers) foreach(opt->markers, mapping marker) { int x1 = marker->x - marker->size/2; int x2 = marker->x + marker->size/2; int y1 = marker->y - marker->size/2; int y2 = marker->y + marker->size/2; switch(marker->style) { case "box": map->box(x1, y1, x2, y2, @marker->color); case "diamond": default: map->setcolor(@marker->color); map->polyfill( ({ x1, marker->y, marker->x, y1, x2, marker->y, marker->x, y2 }) ); } } // Apply borders. if(opt->border) map = Image.image(map->xsize()+2*opt->border, map->ysize()+2*opt->border, @opt->color_sea)->paste(map, opt->border, opt->border); return map; } void create(void|string _state_region, void|string _state_country) { state_region = _state_region; state_country = _state_country; } }