533 lines
15 KiB
JavaScript
533 lines
15 KiB
JavaScript
function Dotgrid(width,height,grid_x,grid_y,block_x,block_y,thickness = 3,linecap = "round", color = "#000000")
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{
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this.theme = new Theme();
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this.width = width;
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this.height = height;
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this.grid_x = grid_x;
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this.grid_y = grid_y;
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this.block_x = block_x;
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this.block_y = block_y;
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this.thickness = thickness;
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this.linecap = linecap;
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this.color = color;
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this.offset = new Pos(0,0);
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// Dotgrid
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this.element = document.createElement("div");
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this.element.id = "dotgrid";
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this.element.style.width = this.width;
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this.element.style.height = this.height;
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this.wrapper = document.createElement("div");
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this.wrapper.id = "wrapper";
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this.grid_width = this.width/this.grid_x;
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this.grid_height = this.height/this.grid_y;
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var cursor = null;
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var cursor_from = null;
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var cursor_to = null;
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var cursor_end = null;
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var from = null;
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var to = null;
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var end = null;
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this.svg_el = null;
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this.mirror_el = null;
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this.mirror = false;
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this.fill = false;
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this.guide = new Guide();
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this.render = new Render();
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this.path = document.createElementNS("http://www.w3.org/2000/svg", "path");
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this.segments = [];
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this.interface = document.createElement("div");
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this.interface.id = "interface";
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this.scale = 1
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this.install = function()
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{
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document.body.appendChild(this.wrapper);
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this.wrapper.appendChild(this.element);
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this.wrapper.appendChild(this.interface);
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this.element.appendChild(this.guide.el);
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this.wrapper.appendChild(this.render.el);
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// Cursors
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this.cursor = document.createElement("div");
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this.cursor.id = "cursor";
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this.element.appendChild(this.cursor);
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this.cursor_coord = document.createElement("div");
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this.cursor_coord.id = "cursor_coord";
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this.cursor_coord.className = "fl"
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this.cursor.appendChild(this.cursor_coord);
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cursor_from = document.createElement("div");
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cursor_from.id = "cursor_from";
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this.element.appendChild(cursor_from);
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cursor_to = document.createElement("div");
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cursor_to.id = "cursor_to";
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this.element.appendChild(cursor_to);
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cursor_end = document.createElement("div");
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cursor_end.id = "cursor_end";
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this.element.appendChild(cursor_end);
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this.offset_el = document.createElementNS("http://www.w3.org/2000/svg", "g");
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this.mirror_el = document.createElementNS("http://www.w3.org/2000/svg", "g");
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this.mirror_path = document.createElementNS("http://www.w3.org/2000/svg", "path");
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// Vector
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this.svg_el = document.createElementNS("http://www.w3.org/2000/svg", "svg");
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this.svg_el.setAttribute("class","vector fh");
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this.svg_el.setAttribute("width",this.width+"px");
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this.svg_el.setAttribute("height",this.height+"px");
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this.svg_el.setAttribute("xmlns","http://www.w3.org/2000/svg");
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this.svg_el.setAttribute("baseProfile","full");
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this.svg_el.setAttribute("version","1.1");
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this.svg_el.style.width = this.width;
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this.svg_el.style.height = this.height;
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this.svg_el.style.stroke = this.color;
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this.svg_el.style.strokeWidth = this.thickness;
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this.svg_el.style.fill = this.fill ? "black" : "none !important";
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this.svg_el.style.strokeLinecap = this.linecap;
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this.element.appendChild(this.svg_el);
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this.offset_el.appendChild(this.path)
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this.svg_el.appendChild(this.offset_el);
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this.svg_el.appendChild(this.mirror_el);
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this.mirror_el.appendChild(this.mirror_path);
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this.theme.start();
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this.guide.start();
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this.resize();
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this.draw();
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}
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// Cursor
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this.mouse_down = function(e)
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{
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var o = e.target.getAttribute("data-operation");
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if(!o){ return; }
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if(o == "line"){ this.draw_line(); }
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if(o == "arc_c"){ this.draw_arc("0,1"); }
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if(o == "arc_r"){ this.draw_arc("0,0"); }
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if(o == "bezier"){ this.draw_bezier(); }
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if(o == "close"){ this.draw_close(); }
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if(o == "mirror"){ this.mod_mirror(); }
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if(o == "export"){ this.export(); }
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}
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this.mouse_move = function(e)
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{
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var pos = this.position_in_grid(new Pos(e.clientX,e.clientY));
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pos = this.position_on_grid(pos);
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this.cursor.style.left = Math.floor(-(pos.x-this.grid_width));
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this.cursor.style.top = Math.floor(pos.y+this.grid_height);
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this.cursor_coord.className = -pos.x > 150 ? "fl left" : "fl"
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this.cursor_coord.textContent = parseInt(-pos.x/this.grid_width)+","+parseInt(pos.y/this.grid_height);
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}
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this.mouse_up = function(e)
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{
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var pos = this.position_in_grid(new Pos(e.clientX,e.clientY));
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pos = this.position_on_grid(pos);
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if(e.altKey){ dotgrid.delete_at(pos); return; }
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if(pos.x>0) return;
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if(from === null){ this.set_from(pos.scale(1/this.scale)); }
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else if(to === null){ this.set_to(pos.scale(1/this.scale)); }
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else{ this.set_end(pos.scale(1/this.scale)); }
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this.draw();
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}
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// Setters
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this.set_from = function(pos)
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{
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from = pos;
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cursor_from.style.left = Math.floor(-pos.x*this.scale + this.grid_width);
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cursor_from.style.top = Math.floor(pos.y*this.scale + this.grid_height);
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}
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this.set_to = function(pos)
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{
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cursor_to.style.left = Math.floor(-pos.x*this.scale + this.grid_width);
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cursor_to.style.top = Math.floor(pos.y*this.scale + this.grid_height);
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to = pos;
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}
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this.set_end = function(pos)
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{
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cursor_end.style.left = Math.floor(-pos.x*this.scale + this.grid_width);
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cursor_end.style.top = Math.floor(pos.y*this.scale + this.grid_height);
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end = pos;
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}
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this.delete_at = function(pos)
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{
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var segs = [];
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for(id in this.segments){
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var s = this.segments[id];
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if(s.from && s.from.is_equal(pos)){ continue; }
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if(s.to && s.to.is_equal(pos)){ continue; }
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if(s.end && s.end.is_equal(pos)){ continue; }
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segs.push(s);
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}
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this.segments = segs;
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this.draw();
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}
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this.mod_thickness = function(mod)
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{
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this.thickness = Math.max(this.thickness+mod,0);
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this.cursor_coord.textContent = this.thickness;
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this.draw();
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}
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this.mod_linecap_index = 1;
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this.mod_linecap = function(mod)
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{
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var a = ["butt","square","round"];
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this.mod_linecap_index += 1;
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this.linecap = a[this.mod_linecap_index % a.length];
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this.draw();
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}
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this.mod_move = function(move)
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{
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if(!to && !end && from){
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this.set_from(new Pos(from.x-(move.x),from.y+(move.y)))
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this.draw();
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return;
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}
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if(!end && to){
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this.set_to(new Pos(to.x-(move.x),to.y+(move.y)))
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this.draw();
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return;
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}
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if(end){
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this.set_end(new Pos(end.x-(move.x),end.y+(move.y)))
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this.draw();
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return;
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}
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// Move offset
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this.offset = this.offset.add(new Pos(move.x,move.y));
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this.draw();
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}
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this.mirror_index = 0;
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this.mod_mirror = function()
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{
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this.mirror_index += 1;
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this.mirror_index = this.mirror_index > 3 ? 0 : this.mirror_index;
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this.draw();
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}
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this.toggle_fill = function()
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{
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dotgrid.fill = dotgrid.fill ? false : true;
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this.draw();
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}
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this.draw = function(exp = false)
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{
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var d = "";
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var prev = "";
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for(id in this.segments){
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var segment = this.segments[id];
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d += segment.to_segment(prev)+" ";
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prev = segment;
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}
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this.path.setAttribute("d",d);
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this.svg_el.style.width = this.width;
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this.svg_el.style.height = this.height;
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this.svg_el.style.stroke = this.color;
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this.svg_el.style.strokeLinecap = this.linecap;
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this.svg_el.style.strokeWidth = this.thickness*this.scale;
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this.svg_el.style.fill = this.fill ? "black" : "none";
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//console.log(this.svg_el)
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// Draw Mirror
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if(this.mirror_index == 1){
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this.mirror_path.setAttribute("d",d);
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this.mirror_path.setAttribute("transform","translate("+(this.width - (this.offset.x*this.scale))+","+(this.offset.y*this.scale)+"),scale(-1,1)")
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}
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else if(this.mirror_index == 2){
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this.mirror_path.setAttribute("d",d);
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this.mirror_path.setAttribute("transform","translate("+((this.offset.x*this.scale))+","+(this.height - (this.offset.y*this.scale))+"),scale(1,-1)")
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}
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else if(this.mirror_index == 3){
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this.mirror_path.setAttribute("d",d);
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this.mirror_path.setAttribute("transform","translate("+(this.width -(this.offset.x*this.scale))+","+(this.height - (this.offset.y*this.scale))+"),scale(-1,-1)")
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}
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else{
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this.mirror_path.setAttribute("d",'M0,0');
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this.mirror_path.setAttribute("transform","")
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}
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this.offset_el.setAttribute("transform","translate("+(this.offset.x*this.scale)+","+(this.offset.y*this.scale)+")")
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this.render.draw();
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this.update_interface();
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}
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// Draw
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this.draw_line = function()
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{
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if(from === null || to === null){ return; }
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to = new Pos(to.x * -1, to.y).sub(this.offset)
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from = new Pos(from.x * -1,from.y).sub(this.offset)
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end = end ? new Pos(end.x * -1,end.y).sub(this.offset) : null;
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this.segments.push(new Path_Line(from,to,end));
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this.draw();
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this.reset();
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}
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this.draw_arc = function(orientation)
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{
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if(from === null || to === null){ return; }
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to = new Pos(to.x * -1, to.y).sub(this.offset)
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from = new Pos(from.x * -1,from.y).sub(this.offset)
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end = end ? new Pos(end.x * -1,end.y).sub(this.offset) : null;
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this.segments.push(new Path_Arc(from,to,orientation,end));
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this.draw();
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this.reset();
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}
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this.draw_bezier = function()
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{
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if(from === null || to === null || end === null){ return; }
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to = new Pos(to.x * -1, to.y).sub(this.offset)
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from = new Pos(from.x * -1,from.y).sub(this.offset)
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end = new Pos(end.x * -1,end.y).sub(this.offset)
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this.segments.push(new Path_Bezier(from,to,end));
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this.draw();
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this.reset();
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}
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this.draw_close = function()
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{
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if(this.segments.length == 0){ return; }
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if(this.segments[this.segments.length-1].name == "close"){ return; }
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this.segments.push(new Path_Close());
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this.draw();
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this.reset();
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}
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this.reset = function()
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{
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from = null;
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to = null;
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end = null;
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cursor_from.style.left = -100;
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cursor_from.style.top = -100;
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cursor_to.style.left = -100;
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cursor_to.style.top = -100;
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cursor_end.style.left = -100;
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cursor_end.style.top = -100;
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}
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this.clear = function()
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{
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this.reset();
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this.segments = [];
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this.thickness = 10
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this.linecap = "square"
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this.color = "#000000"
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this.draw();
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}
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this.erase = function()
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{
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if(from || to || end){
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this.reset();
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}
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else{
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this.segments.pop();
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}
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this.draw();
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}
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this.export = function()
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{
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if(this.segments.length == 0){ return; }
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this.scale = 1
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this.width = 300
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this.height = 300
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this.draw()
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var svg = this.svg_el.outerHTML
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dialog.showSaveDialog((fileName) => {
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if (fileName === undefined){ return; }
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fs.writeFile(fileName+".svg", svg, (err) => {
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if(err){ alert("An error ocurred creating the file "+ err.message); return; }
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});
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fs.writeFile(fileName+'.png', dotgrid.render.buffer());
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});
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}
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this.update_interface = function()
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{
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var html = "";
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if(from && to){
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html += "<img data-operation='line' title='line (d)' src='media/icons/line.svg' class='icon'/>";
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html += "<img data-operation='arc_c' title='arc clockwise (s)' src='media/icons/arc_clockwise.svg' class='icon'/>";
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html += "<img data-operation='arc_r' title='arc reverse (a)' src='media/icons/arc_reverse.svg' class='icon'/>";
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}
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else{
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html += "<img title='line (d)' src='media/icons/line.svg' class='icon inactive'/>";
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html += "<img title='arc clockwise (s)' src='media/icons/arc_clockwise.svg' class='icon inactive'/>";
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html += "<img title='arc reverse (a)' src='media/icons/arc_reverse.svg' class='icon inactive'/>";
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}
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if(from && to && end){
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html += "<img data-operation='bezier' title='bezier (f)' src='media/icons/bezier.svg' class='icon'/>";
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}
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else{
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html += "<img title='bezier (f)' src='media/icons/bezier.svg' class='icon inactive'/>";
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}
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if(this.segments.length > 0 && this.segments[this.segments.length-1].name != "close"){
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html += "<img data-operation='close (r)' title='close' src='media/icons/close.svg' class='icon'/>";
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}
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else{
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html += "<img title='close (r)' src='media/icons/close.svg' class='icon inactive'/>";
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}
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if(this.segments.length > 0 && this.mirror_index != 0){
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html += "<img data-operation='mirror' title='mirror (space)' src='media/icons/mirror.svg' class='icon' style='margin-left:35px'/>";
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}
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else{
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html += "<img data-operation='mirror' title='mirror (space)' src='media/icons/mirror.svg' class='icon inactive' style='margin-left:35px'/>";
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}
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if(this.segments.length > 0){
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html += "<img data-operation='export' title='export (e)' src='media/icons/export.svg' class='icon right'/>";
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}
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else{
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html += "<img title='export (e)' src='media/icons/export.svg' class='icon right inactive'/>";
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}
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this.interface.innerHTML = html;
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}
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// Normalizers
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this.position_in_grid = function(pos)
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{
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return new Pos((window.innerWidth/2) - (this.width/2) - pos.x,pos.y - (30+10*(this.scale)))
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}
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this.position_on_grid = function(pos) // rounds the mouse position to the nearest cell, and limits the coords to within the box
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{
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x = Math.round(pos.x/this.grid_width)*this.grid_width
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y = Math.round(pos.y/this.grid_height)*this.grid_height
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off = (x<-this.width || x>0 || y>this.height || y<0)
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if(off) { // change position so the cursor will not be seen
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x = 50
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y = -50
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}
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return new Pos(x,y);
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}
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this.resize = function()
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{
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this.scale = Math.min((window.innerWidth-90)/300,(window.innerHeight-100)/320)
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this.width = dotgrid.scale*300
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this.height = dotgrid.scale*300
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this.element.style.width = this.width
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this.element.style.height = this.height
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this.element.style.padding = Math.floor(10*this.scale)+"px"
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this.svg_el.setAttribute("width",this.width+"px");
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this.svg_el.setAttribute("height",this.height+"px");
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this.grid_width = dotgrid.width/dotgrid.grid_x;
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this.grid_height = dotgrid.height/dotgrid.grid_y;
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this.guide.update()
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//cursor updates
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if(from) {
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cursor_from.style.left = Math.floor(-from.x*this.scale + this.grid_width);
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cursor_from.style.top = Math.floor(from.y*this.scale + this.grid_height);
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}
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if(to) {
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cursor_to.style.left = Math.floor(-to.x*this.scale + this.grid_width);
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cursor_to.style.top = Math.floor(to.y*this.scale + this.grid_height);
|
|
}
|
|
if(end) {
|
|
cursor_end.style.left = Math.floor(-end.x*this.scale + this.grid_width);
|
|
cursor_end.style.top = Math.floor(end.y*this.scale + this.grid_height);
|
|
}
|
|
}
|
|
}
|
|
|
|
window.addEventListener('dragover',function(e)
|
|
{
|
|
e.preventDefault();
|
|
e.stopPropagation();
|
|
e.dataTransfer.dropEffect = 'copy';
|
|
});
|
|
|
|
window.addEventListener('resize', function(e)
|
|
{
|
|
dotgrid.resize()
|
|
dotgrid.draw()
|
|
}, false);
|
|
|
|
window.addEventListener('drop', function(e)
|
|
{
|
|
e.preventDefault();
|
|
e.stopPropagation();
|
|
|
|
var files = e.dataTransfer.files;
|
|
|
|
for(file_id in files){
|
|
var file = files[file_id];
|
|
if(file.name.indexOf(".thm") == -1){ console.log("skipped",file); continue; }
|
|
|
|
var path = file.path;
|
|
var reader = new FileReader();
|
|
reader.onload = function(e){
|
|
var o = JSON.parse(e.target.result);
|
|
dotgrid.theme.install(o);
|
|
};
|
|
reader.readAsText(file);
|
|
return;
|
|
}
|
|
});
|