434 lines
12 KiB
JavaScript
434 lines
12 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.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.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.install = function()
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{
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document.body.appendChild(this.element);
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document.body.appendChild(this.interface);
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// Markers
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for (var x = this.grid_x; x >= 0; x--) {
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for (var y = this.grid_y; y >= 0; y--) {
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var marker = document.createElement("div");
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marker.setAttribute("class",(x % this.block_x == 0 && y % this.block_y == 0 ? "marker bm" : "marker bl"));
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marker.style.left = parseInt(x * this.grid_width + (this.grid_width/2)) +5;
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marker.style.top = parseInt(y * this.grid_height + (this.grid_height/2)) +5;
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this.element.appendChild(marker);
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}
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}
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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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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.draw();
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this.theme.start();
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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.mirror = this.mirror == true ? false : true; this.draw(); }
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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(e.clientX,e.clientY);
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pos = this.position_on_grid(pos[0],pos[1]);
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this.cursor.style.left = -pos[0] + 10;
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this.cursor.style.top = pos[1] + 10;
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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(e.clientX,e.clientY);
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pos = this.position_on_grid(pos[0],pos[1]);
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pos = [pos[0],pos[1]]
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if(pos[1] > 300){ return; }
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if(pos[0] < -300){ return; }
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if(pos[0] > 0){ return; }
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if(pos[1] < 0){ return; }
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if(from === null){ this.set_from(pos); }
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else if(to === null){ this.set_to(pos); }
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else{ this.set_end(pos); }
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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 = -pos[0] + 10;
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cursor_from.style.top = pos[1] + 10;
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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 = -pos[0] + 10;
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cursor_to.style.top = pos[1] + 10;
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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 = -pos[0] + 10;
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cursor_end.style.top = pos[1] + 10;
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end = pos;
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}
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this.mod_thickness = function(mod)
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{
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this.thickness += mod;
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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(x,y)
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{
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if(!to && !end && from){
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this.set_from([from[0]-(x),from[1]+(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([to[0]-(x),to[1]+(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([end[0]-(x),end[1]+(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(x,y));
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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()
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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;
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this.svg_el.style.fill = this.fill ? "black" : "none";
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this.mirror_path.setAttribute("d",this.mirror ? d : '');
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this.mirror_path.setAttribute("transform","translate("+(300 - (this.offset.x))+","+(this.offset.y)+"),scale(-1,1)")
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this.offset_el.setAttribute("transform","translate("+(this.offset.x)+","+(this.offset.y)+")")
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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[0] * -1, to[1]).sub(this.offset)
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from = new Pos(from[0] * -1,from[1]).sub(this.offset)
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end = end ? new Pos(end[0] * -1,end[1]).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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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[0] * -1, to[1]).sub(this.offset)
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from = new Pos(from[0] * -1,from[1]).sub(this.offset)
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end = end ? new Pos(end[0] * -1,end[1]).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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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[0] * -1, to[1]).sub(this.offset)
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from = new Pos(from[0] * -1,from[1]).sub(this.offset)
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end = new Pos(end[0] * -1,end[1]).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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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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reset();
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}
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this.reset = function()
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{
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reset();
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}
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function reset()
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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.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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dialog.showSaveDialog((fileName) => {
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if (fileName === undefined){ return; }
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fs.writeFile(fileName+".svg", dotgrid.svg_el.outerHTML, (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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});
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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){
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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(x,y)
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{
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return [(window.innerWidth/2) - (this.width/2) - x,y - 50];
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}
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this.position_on_grid = function(x,y)
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{
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x = parseInt(x/this.grid_width) * this.grid_width - (this.grid_width/2) + 5;
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y = parseInt(y/this.grid_height) * this.grid_height + (this.grid_height/2) +5;
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return [parseInt(x),parseInt(y)];
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}
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}
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window.addEventListener('dragover',function(e)
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{
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e.preventDefault();
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e.stopPropagation();
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e.dataTransfer.dropEffect = 'copy';
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});
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window.addEventListener('drop', function(e)
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{
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e.preventDefault();
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e.stopPropagation();
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var files = e.dataTransfer.files;
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for(file_id in files){
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var file = files[file_id];
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if(file.name.indexOf(".thm") == -1){ console.log("skipped",file); continue; }
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var path = file.path;
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var reader = new FileReader();
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reader.onload = function(e){
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var o = JSON.parse(e.target.result);
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dotgrid.theme.install(o);
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};
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reader.readAsText(file);
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return;
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}
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});
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