104 lines
2.4 KiB
JavaScript
104 lines
2.4 KiB
JavaScript
function Layer(name,manager = null)
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{
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this.rune = "@";
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this.name = name;
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this.manager = manager;
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this.element = document.createElement("canvas");
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this.element.setAttribute("id","_"+name);
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this.element.setAttribute("class","layer");
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this.resize = function(rect)
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{
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ronin.terminal.log(new Log(this,"Resize "+this.name+" to "+rect.render()));
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var pixels_rect = new Rect(this.element.width+"x"+this.element.height);
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this.element.width = rect.width * 2;
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this.element.height = rect.height * 2;
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this.element.style.width = rect.width+"px";
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this.element.style.height = rect.height+"px";
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this.context().scale(2,2);
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}
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this.clear = function()
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{
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this.context().clearRect(0, 0, this.element.width, this.element.height);
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}
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this.remove = function(manager)
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{
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ronin.terminal.log(new Log(this,"Removing layer "+this.name));
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manager.layer = null;
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ronin.surface.layers[this.name].element.outerHTML = "";
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delete ronin.surface.layers[this.name];
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}
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this.context = function()
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{
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return this.element.getContext('2d');
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}
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this.image = function()
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{
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return this.element.toDataURL('image/png');
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}
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//
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this.widget = function()
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{
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var e_name = this.name;
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var e_class = "";
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if(ronin.surface.active_layer.name == this.name){ e_class += "highlight "; }
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if(this.manager != null){ e_class += "managed "; }
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return "<span class='"+e_class+"'>"+e_name+"</span>";
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}
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this.mouse_mode = function()
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{
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return "Move";
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}
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this.move_from = null;
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this.mouse_down = function(position)
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{
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this.move_from = ronin.position_in_window(position);
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}
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this.mouse_move = function(position)
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{
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if(this.move_from === null){ return; }
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position = ronin.position_in_window(position);
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var offset_x = this.move_from.x - position.x;
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var offset_y = this.move_from.y - position.y;
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var imageData = this.context().getImageData(0, 0, ronin.surface.size.width * 2, ronin.surface.size.height * 2);
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this.clear();
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this.context().putImageData(imageData, -offset_x * 2, -offset_y * 2);
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this.move_from = new Position(position.x,position.y);
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}
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this.mouse_up = function(event)
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{
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this.move_from = null;
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}
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// Blink
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this.is_blinking = false;
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this.blink = function()
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{
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if(this.is_blinking == false){ return; }
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this.element.style.display = this.element.style.display == "none" ? "block" : "none";
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}
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} |