436 lines
12 KiB
JavaScript
436 lines
12 KiB
JavaScript
function Dotgrid(width,height,grid_x,grid_y,block_x,block_y,thickness = 3,linecap = "round", color = "#000000")
|
|
{
|
|
this.theme = new Theme();
|
|
|
|
this.width = width;
|
|
this.height = height;
|
|
this.grid_x = grid_x;
|
|
this.grid_y = grid_y;
|
|
this.block_x = block_x;
|
|
this.block_y = block_y;
|
|
|
|
this.thickness = thickness;
|
|
this.linecap = linecap;
|
|
this.color = color;
|
|
this.offset = new Pos(0,0);
|
|
|
|
// Dotgrid
|
|
this.element = document.createElement("div");
|
|
this.element.id = "dotgrid";
|
|
this.element.style.width = this.width;
|
|
this.element.style.height = this.height;
|
|
|
|
this.grid_width = this.width/this.grid_x;
|
|
this.grid_height = this.height/this.grid_y;
|
|
|
|
var cursor = null;
|
|
var cursor_from = null;
|
|
var cursor_to = null;
|
|
var cursor_end = null;
|
|
|
|
var from = null;
|
|
var to = null;
|
|
var end = null;
|
|
|
|
this.svg_el = null;
|
|
this.mirror_el = null;
|
|
|
|
this.mirror = false;
|
|
this.fill = false;
|
|
|
|
this.path = document.createElementNS("http://www.w3.org/2000/svg", "path");
|
|
this.segments = [];
|
|
this.interface = document.createElement("div");
|
|
this.interface.id = "interface";
|
|
|
|
this.install = function()
|
|
{
|
|
document.body.appendChild(this.element);
|
|
document.body.appendChild(this.interface);
|
|
|
|
// Markers
|
|
for (var x = this.grid_x; x >= 0; x--) {
|
|
for (var y = this.grid_y; y >= 0; y--) {
|
|
var marker = document.createElement("div");
|
|
marker.setAttribute("class",(x % this.block_x == 0 && y % this.block_y == 0 ? "marker bm" : "marker bl"));
|
|
marker.style.left = parseInt(x * this.grid_width + (this.grid_width/2)) +5;
|
|
marker.style.top = parseInt(y * this.grid_height + (this.grid_height/2)) +5;
|
|
this.element.appendChild(marker);
|
|
}
|
|
}
|
|
|
|
// Cursors
|
|
this.cursor = document.createElement("div");
|
|
this.cursor.id = "cursor";
|
|
this.element.appendChild(this.cursor);
|
|
|
|
cursor_from = document.createElement("div");
|
|
cursor_from.id = "cursor_from";
|
|
this.element.appendChild(cursor_from);
|
|
|
|
cursor_to = document.createElement("div");
|
|
cursor_to.id = "cursor_to";
|
|
this.element.appendChild(cursor_to);
|
|
|
|
cursor_end = document.createElement("div");
|
|
cursor_end.id = "cursor_end";
|
|
this.element.appendChild(cursor_end);
|
|
|
|
this.offset_el = document.createElementNS("http://www.w3.org/2000/svg", "g");
|
|
this.mirror_el = document.createElementNS("http://www.w3.org/2000/svg", "g");
|
|
this.mirror_path = document.createElementNS("http://www.w3.org/2000/svg", "path");
|
|
|
|
// Vector
|
|
this.svg_el = document.createElementNS("http://www.w3.org/2000/svg", "svg");
|
|
this.svg_el.setAttribute("class","vector fh");
|
|
this.svg_el.setAttribute("width",this.width+"px");
|
|
this.svg_el.setAttribute("height",this.height+"px");
|
|
this.svg_el.setAttribute("xmlns","http://www.w3.org/2000/svg");
|
|
this.svg_el.setAttribute("baseProfile","full");
|
|
this.svg_el.setAttribute("version","1.1");
|
|
this.svg_el.style.width = this.width;
|
|
this.svg_el.style.height = this.height;
|
|
this.svg_el.style.stroke = this.color;
|
|
this.svg_el.style.strokeWidth = this.thickness;
|
|
this.svg_el.style.fill = this.fill ? "black" : "none !important";
|
|
this.svg_el.style.strokeLinecap = this.linecap;
|
|
this.element.appendChild(this.svg_el);
|
|
|
|
this.offset_el.appendChild(this.path)
|
|
this.svg_el.appendChild(this.offset_el);
|
|
this.svg_el.appendChild(this.mirror_el);
|
|
this.mirror_el.appendChild(this.mirror_path);
|
|
|
|
this.draw();
|
|
|
|
this.theme.start();
|
|
}
|
|
|
|
// Cursor
|
|
|
|
this.mouse_down = function(e)
|
|
{
|
|
var o = e.target.getAttribute("data-operation");
|
|
if(!o){ return; }
|
|
|
|
if(o == "line"){ this.draw_line(); }
|
|
if(o == "arc_c"){ this.draw_arc("0,1"); }
|
|
if(o == "arc_r"){ this.draw_arc("0,0"); }
|
|
if(o == "bezier"){ this.draw_bezier(); }
|
|
if(o == "close"){ this.draw_close(); }
|
|
if(o == "mirror"){ this.mirror = this.mirror == true ? false : true; this.draw(); }
|
|
if(o == "export"){ this.export(); }
|
|
}
|
|
|
|
this.mouse_move = function(e)
|
|
{
|
|
var pos = this.position_in_grid(e.clientX,e.clientY);
|
|
pos = this.position_on_grid(pos[0],pos[1]);
|
|
|
|
this.cursor.style.left = -pos[0] + 10;
|
|
this.cursor.style.top = pos[1] + 10;
|
|
}
|
|
|
|
this.mouse_up = function(e)
|
|
{
|
|
var pos = this.position_in_grid(e.clientX,e.clientY);
|
|
pos = this.position_on_grid(pos[0],pos[1]);
|
|
|
|
pos = [pos[0],pos[1]]
|
|
|
|
if(pos[3]) return;
|
|
|
|
if(from === null){ this.set_from(pos); }
|
|
else if(to === null){ this.set_to(pos); }
|
|
else{ this.set_end(pos); }
|
|
this.draw();
|
|
}
|
|
|
|
// Setters
|
|
|
|
this.set_from = function(pos)
|
|
{
|
|
from = pos;
|
|
|
|
cursor_from.style.left = -pos[0] + 10;
|
|
cursor_from.style.top = pos[1] + 10;
|
|
}
|
|
|
|
this.set_to = function(pos)
|
|
{
|
|
cursor_to.style.left = -pos[0] + 10;
|
|
cursor_to.style.top = pos[1] + 10;
|
|
|
|
to = pos;
|
|
}
|
|
|
|
this.set_end = function(pos)
|
|
{
|
|
cursor_end.style.left = -pos[0] + 10;
|
|
cursor_end.style.top = pos[1] + 10;
|
|
|
|
end = pos;
|
|
}
|
|
|
|
this.mod_thickness = function(mod)
|
|
{
|
|
this.thickness = Math.max(this.thickness+mod,0);
|
|
this.draw();
|
|
}
|
|
|
|
this.mod_linecap_index = 1;
|
|
|
|
this.mod_linecap = function(mod)
|
|
{
|
|
var a = ["butt","square","round"];
|
|
this.mod_linecap_index += 1;
|
|
this.linecap = a[this.mod_linecap_index % a.length];
|
|
this.draw();
|
|
}
|
|
|
|
this.mod_move = function(x,y)
|
|
{
|
|
if(!to && !end && from){
|
|
this.set_from([from[0]-(x),from[1]+(y)])
|
|
this.draw();
|
|
return;
|
|
}
|
|
if(!end && to){
|
|
this.set_to([to[0]-(x),to[1]+(y)])
|
|
this.draw();
|
|
return;
|
|
}
|
|
if(end){
|
|
this.set_end([end[0]-(x),end[1]+(y)])
|
|
this.draw();
|
|
return;
|
|
}
|
|
// Move offset
|
|
this.offset = this.offset.add(new Pos(x,y));
|
|
this.draw();
|
|
}
|
|
|
|
this.toggle_fill = function()
|
|
{
|
|
dotgrid.fill = dotgrid.fill ? false : true;
|
|
this.draw();
|
|
}
|
|
|
|
this.draw = function()
|
|
{
|
|
var d = "";
|
|
var prev = "";
|
|
for(id in this.segments){
|
|
var segment = this.segments[id];
|
|
d += segment.to_segment(prev)+" ";
|
|
prev = segment;
|
|
}
|
|
|
|
this.path.setAttribute("d",d);
|
|
|
|
this.svg_el.style.width = this.width;
|
|
this.svg_el.style.height = this.height;
|
|
this.svg_el.style.stroke = this.color;
|
|
this.svg_el.style.strokeLinecap = this.linecap;
|
|
this.svg_el.style.strokeWidth = this.thickness;
|
|
this.svg_el.style.fill = this.fill ? "black" : "none";
|
|
|
|
this.mirror_path.setAttribute("d",this.mirror ? d : '');
|
|
this.mirror_path.setAttribute("transform","translate("+(300 - (this.offset.x))+","+(this.offset.y)+"),scale(-1,1)")
|
|
|
|
this.offset_el.setAttribute("transform","translate("+(this.offset.x)+","+(this.offset.y)+")")
|
|
|
|
this.update_interface();
|
|
}
|
|
|
|
// Draw
|
|
this.draw_line = function()
|
|
{
|
|
if(from === null || to === null){ return; }
|
|
|
|
to = new Pos(to[0] * -1, to[1]).sub(this.offset)
|
|
from = new Pos(from[0] * -1,from[1]).sub(this.offset)
|
|
end = end ? new Pos(end[0] * -1,end[1]).sub(this.offset) : null;
|
|
|
|
this.segments.push(new Path_Line(from,to,end));
|
|
|
|
this.draw();
|
|
reset();
|
|
}
|
|
|
|
this.draw_arc = function(orientation)
|
|
{
|
|
if(from === null || to === null){ return; }
|
|
|
|
to = new Pos(to[0] * -1, to[1]).sub(this.offset)
|
|
from = new Pos(from[0] * -1,from[1]).sub(this.offset)
|
|
end = end ? new Pos(end[0] * -1,end[1]).sub(this.offset) : null;
|
|
|
|
this.segments.push(new Path_Arc(from,to,orientation,end));
|
|
|
|
this.draw();
|
|
reset();
|
|
}
|
|
|
|
this.draw_bezier = function()
|
|
{
|
|
if(from === null || to === null || end === null){ return; }
|
|
|
|
to = new Pos(to[0] * -1, to[1]).sub(this.offset)
|
|
from = new Pos(from[0] * -1,from[1]).sub(this.offset)
|
|
end = new Pos(end[0] * -1,end[1]).sub(this.offset)
|
|
|
|
this.segments.push(new Path_Bezier(from,to,end));
|
|
|
|
this.draw();
|
|
reset();
|
|
}
|
|
|
|
this.draw_close = function()
|
|
{
|
|
if(this.segments.length == 0){ return; }
|
|
if(this.segments[this.segments.length-1].name == "close"){ return; }
|
|
|
|
this.segments.push(new Path_Close());
|
|
|
|
this.draw();
|
|
reset();
|
|
}
|
|
|
|
this.reset = function()
|
|
{
|
|
reset();
|
|
}
|
|
|
|
function reset()
|
|
{
|
|
from = null;
|
|
to = null;
|
|
end = null;
|
|
cursor_from.style.left = -100;
|
|
cursor_from.style.top = -100;
|
|
cursor_to.style.left = -100;
|
|
cursor_to.style.top = -100;
|
|
cursor_end.style.left = -100;
|
|
cursor_end.style.top = -100;
|
|
}
|
|
|
|
this.erase = function()
|
|
{
|
|
if(from || to || end){
|
|
this.reset();
|
|
}
|
|
else{
|
|
this.segments.pop();
|
|
}
|
|
this.draw();
|
|
}
|
|
|
|
this.export = function()
|
|
{
|
|
if(this.segments.length == 0){ return; }
|
|
|
|
dialog.showSaveDialog((fileName) => {
|
|
if (fileName === undefined){ return; }
|
|
fs.writeFile(fileName+".svg", dotgrid.svg_el.outerHTML, (err) => {
|
|
if(err){ alert("An error ocurred creating the file "+ err.message); return; }
|
|
});
|
|
});
|
|
}
|
|
|
|
this.update_interface = function()
|
|
{
|
|
var html = "";
|
|
|
|
if(from && to){
|
|
html += "<img data-operation='line' title='line (d)' src='media/icons/line.svg' class='icon'/>";
|
|
html += "<img data-operation='arc_c' title='arc clockwise (s)' src='media/icons/arc_clockwise.svg' class='icon'/>";
|
|
html += "<img data-operation='arc_r' title='arc reverse (a)' src='media/icons/arc_reverse.svg' class='icon'/>";
|
|
}
|
|
else{
|
|
html += "<img title='line (d)' src='media/icons/line.svg' class='icon inactive'/>";
|
|
html += "<img title='arc clockwise (s)' src='media/icons/arc_clockwise.svg' class='icon inactive'/>";
|
|
html += "<img title='arc reverse (a)' src='media/icons/arc_reverse.svg' class='icon inactive'/>";
|
|
}
|
|
|
|
if(from && to && end){
|
|
html += "<img data-operation='bezier' title='bezier (f)' src='media/icons/bezier.svg' class='icon'/>";
|
|
}
|
|
else{
|
|
html += "<img title='bezier (f)' src='media/icons/bezier.svg' class='icon inactive'/>";
|
|
}
|
|
|
|
if(this.segments.length > 0 && this.segments[this.segments.length-1].name != "close"){
|
|
html += "<img data-operation='close (r)' title='close' src='media/icons/close.svg' class='icon'/>";
|
|
}
|
|
else{
|
|
html += "<img title='close (r)' src='media/icons/close.svg' class='icon inactive'/>";
|
|
}
|
|
|
|
if(this.segments.length > 0 && !this.mirror){
|
|
html += "<img data-operation='mirror' title='mirror (space)' src='media/icons/mirror.svg' class='icon' style='margin-left:35px'/>";
|
|
}
|
|
else{
|
|
html += "<img data-operation='mirror' title='mirror (space)' src='media/icons/mirror.svg' class='icon inactive' style='margin-left:35px'/>";
|
|
}
|
|
|
|
if(this.segments.length > 0){
|
|
html += "<img data-operation='export' title='export (e)' src='media/icons/export.svg' class='icon right'/>";
|
|
}
|
|
else{
|
|
html += "<img title='export (e)' src='media/icons/export.svg' class='icon right inactive'/>";
|
|
}
|
|
|
|
this.interface.innerHTML = html;
|
|
}
|
|
|
|
// Normalizers
|
|
|
|
this.position_in_grid = function(x,y)
|
|
{
|
|
return [(window.innerWidth/2) - (this.width/2) - x,y - 50];
|
|
}
|
|
|
|
this.position_on_grid = function(x,y) // rounds the mouse position to the nearest cell, and limits the coords to within the box
|
|
{
|
|
x = Math.round(x/this.grid_width)*this.grid_width
|
|
y = Math.round(y/this.grid_height)*this.grid_height+this.grid_height
|
|
off = (x<-this.width || x>0 || y>this.height || y<0)
|
|
if(off) { // change position so the cursor will not be seen
|
|
x = 50
|
|
y = -50
|
|
}
|
|
return [parseInt(x),parseInt(y),off];
|
|
}
|
|
|
|
}
|
|
|
|
window.addEventListener('dragover',function(e)
|
|
{
|
|
e.preventDefault();
|
|
e.stopPropagation();
|
|
e.dataTransfer.dropEffect = 'copy';
|
|
});
|
|
|
|
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;
|
|
}
|
|
});
|