2017-09-28 14:48:38 +13:00

102 lines
2.2 KiB
JavaScript

function IO()
{
Module.call(this,"io");
this.settings = {anchor:{x:0,y:0,width:0,height:0}};
this.methods = {};
this.methods.import = function(q)
{
var filepath = dialog.showOpenDialog({properties: ['openFile']});
if(!filepath){ console.log("Nothing to load"); return; }
fs.readFile(filepath[0], 'utf-8', (err, data) => {
if(err){ alert("An error ocurred reading the file :" + err.message); return; }
var img = new Image();
img.src = filepath[0];
img.onload = function() {
ronin.io.draw_image(img,ronin.commander.query());
}
});
}
this.methods.load = function(q)
{
// TODO
}
this.methods.save = function(q)
{
// TODO
}
this.render = function()
{
var fs = require('fs');
var data = ronin.render.to_base64().replace(/^data:image\/\w+;base64,/, "");
var buf = new Buffer(data, 'base64');
dialog.showSaveDialog((fileName) => {
if (fileName === undefined){ return; }
fs.writeFile(fileName+'.png', buf);
});
}
this.drag_over = function(e)
{
e.stopPropagation();
e.preventDefault();
e.dataTransfer.dropEffect = 'copy';
}
this.drop = function(e)
{
e.stopPropagation();
e.preventDefault();
var files = e.dataTransfer.files;
var file = files[0];
if (!file.type.match(/image.*/)) { console.log("Not image"); return false; }
var reader = new FileReader();
reader.onload = function(event)
{
ronin.io.inject(event.target.result);
}
reader.readAsDataURL(file);
}
this.inject = function(data_url)
{
var img = new Image();
img.src = data_url;
var width = parseInt(img.naturalWidth * 0.5);
var height = parseInt(img.naturalHeight * 0.5);
if(height > 900){
width *= 0.5;
height *= 0.5;
}
img.onload = function() {
ronin.render.context().drawImage(img, 0,0,width * 2,height * 2);
}
}
this.draw_image = function(img,params)
{
var anchor = ronin.io.settings.anchor;
var width = parseInt(img.naturalWidth * 0.5);
var height = parseInt(img.naturalHeight * 0.5);
var scale = (anchor.width/width) * 2;
ronin.render.context().drawImage(img, anchor.x * 2,anchor.y * 2,width * scale,height * scale);
}
}