ronin/scripts/ronin.canvas.js
2016-11-14 21:11:48 -08:00

53 lines
1.2 KiB
JavaScript

function Canvas(element)
{
Module.call(this);
this.element = element;
this.active = function(cmd)
{
if(cmd.bang()){ this.context().clearRect(0, 0, canvas.width, canvas.height); }
if(cmd.rect()){
this.resize(cmd.rect());
ronin.overlay.resize(cmd.rect());
}
if(cmd.color()){
this.context().beginPath();
this.context().rect(0, 0, canvas.width, canvas.height);
this.context().fillStyle = cmd.color().hex;
this.context().fill();
}
}
this.passive = function(cmd)
{
if(cmd.rect()){
ronin.overlay.show_guide(null,cmd.rect());
}
}
this.hint = function(cmd)
{
if(cmd.bang()){ return "Canvas: Clear"; }
var hint_rect = (cmd.rect() ? "Resize to "+cmd.rect().width+"px by "+cmd.rect().height+"px " : "");
var hint_color = (cmd.color() ? "Fill with color "+cmd.color().hex+" " : "");
return "Canvas: "+hint_rect+hint_color;
}
//
this.resize = function(rect)
{
this.element.setAttribute('width',rect.width+"px");
this.element.setAttribute('height',rect.height+"px");
}
this.context = function()
{
return this.element.getContext('2d');
}
}