105 lines
2.6 KiB
JavaScript
105 lines
2.6 KiB
JavaScript
function Canvas(rune)
|
|
{
|
|
Module.call(this,rune);
|
|
|
|
this.parameters = [Rect,Position,Color,Bang];
|
|
|
|
this.active = function(cmd)
|
|
{
|
|
if(cmd.bang()){ this.clear(); }
|
|
|
|
if(cmd.rect()){
|
|
this.resize(cmd.rect(),cmd.position());
|
|
ronin.overlay.resize(cmd.rect());
|
|
}
|
|
|
|
if(cmd.color()){
|
|
this.context().beginPath();
|
|
this.context().rect(0, 0, this.element.width, this.element.height);
|
|
this.context().fillStyle = cmd.color().hex;
|
|
this.context().fill();
|
|
}
|
|
}
|
|
|
|
this.passive = function(cmd)
|
|
{
|
|
if(cmd.rect()){
|
|
ronin.overlay.draw(cmd.position(),cmd.rect());
|
|
}
|
|
}
|
|
|
|
//
|
|
|
|
this.resize = function(rect, position = null)
|
|
{
|
|
var canvas_pixels = ronin.canvas.element.toDataURL("image/png");
|
|
var pixels_rect = new Rect(this.element.width+"x"+this.element.height);
|
|
|
|
this.element.setAttribute('width',rect.width+"px");
|
|
this.element.setAttribute('height',rect.height+"px");
|
|
this.element.style.left = (window.innerWidth/2)-(rect.width/2);
|
|
this.element.style.top = (window.innerHeight/2)-(rect.height/2);
|
|
|
|
ronin.widget.element.style.left = (window.innerWidth/2)-(rect.width/2);
|
|
ronin.widget.element.style.top = (window.innerHeight/2)+(rect.height/2);
|
|
ronin.widget.element.style.width = rect.width+"px";
|
|
|
|
ronin.widget.update();
|
|
|
|
base_image = new Image();
|
|
base_image.src = canvas_pixels;
|
|
|
|
if(!position){ position = new Position("0,0");}
|
|
ronin.canvas.context().drawImage(base_image, -position.x, -position.y, pixels_rect.width, pixels_rect.height);
|
|
}
|
|
|
|
this.context = function()
|
|
{
|
|
return this.element.getContext('2d');
|
|
}
|
|
|
|
this.clear = function()
|
|
{
|
|
this.context().clearRect(0, 0, this.element.width, this.element.height);
|
|
}
|
|
|
|
this.widget = function()
|
|
{
|
|
return "@ "+this.element.width+"x"+this.element.height+" ";
|
|
}
|
|
|
|
this.widget_cursor = function()
|
|
{
|
|
return "Move";
|
|
}
|
|
|
|
// Cursor
|
|
|
|
this.move_from = null;
|
|
|
|
this.mouse_down = function(position)
|
|
{
|
|
this.move_from = ronin.position_in_window(position);
|
|
}
|
|
|
|
this.mouse_move = function(position)
|
|
{
|
|
if(this.move_from === null){ return; }
|
|
|
|
position = ronin.position_in_window(position);
|
|
|
|
var offset_x = this.move_from.x - position.x;
|
|
var offset_y = this.move_from.y - position.y;
|
|
|
|
this.context().globalCompositeOperation = "copy";
|
|
this.context().drawImage(this.context().canvas, -offset_x, -offset_y);
|
|
this.context().globalCompositeOperation = "source-over"
|
|
|
|
this.move_from = new Position(position.x,position.y);
|
|
}
|
|
|
|
this.mouse_up = function(event)
|
|
{
|
|
this.move_from = null;
|
|
}
|
|
} |