74 lines
1.8 KiB
JavaScript
74 lines
1.8 KiB
JavaScript
function Filter_Stencil()
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{
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Filter.call(this);
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this.render = function(cmd)
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{
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this.draw(this.context(),cmd.angle() ? cmd.angle().degrees : 20);
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ronin.overlay.clear();
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}
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this.preview = function(cmd)
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{
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ronin.overlay.clear();
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this.draw(ronin.overlay.context(),cmd.angle() ? cmd.angle().degrees : 20);
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}
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this.draw = function(context = this.context(), angle = 20)
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{
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var w = ronin.surface.size.width;
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var h = ronin.surface.size.height;
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context.translate(w/2,h/2);
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context.rotate(angle*Math.PI/180);
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this.line(context,-w,0,w,0);
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this.line(context,w*0.4,-h,w*0.4,h);
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this.line(context,-w*0.4,-h,-w*0.4,h);
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this.line(context,-w,h*0.25,w,h*0.25);
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this.line(context,-w,-h*0.25,w,-h*0.25);
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this.line(context,w*0.1,0,w*0.1,h);
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this.line(context,-w*0.1,0,-w*0.1,-h);
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this.circle(context,w*0.4,-h*0.25,w*0.05,1,1.5);
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this.circle(context,-w*0.4,h*0.25,w*0.05,0,0.5);
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context.font = "5px Arial";
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context.fillStyle = "#000000";
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context.fillText("GRID",(w*0.4)+10,10);
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context.font = "5px Arial";
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context.fillStyle = "#000000";
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context.fillText("GRID",(-w*0.4)-20,-10);
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context.rotate(-angle*Math.PI/180);
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context.translate(-w/2,-h/2);
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}
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this.line = function(context,x1,x2,y1,y2)
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{
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context.beginPath();
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context.moveTo(x1,x2);
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context.lineTo(y1,y2);
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context.lineCap="round";
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context.lineWidth = 0.5;
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context.strokeStyle = "#000";
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context.stroke();
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context.closePath();
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}
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this.circle = function(context,x,y,r,c1,c2)
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{
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context.beginPath();
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context.arc(x,y,r,c1*Math.PI,c2*Math.PI);
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context.lineCap="round";
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context.lineWidth = 0.5;
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context.strokeStyle = "#000";
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context.stroke();
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context.closePath();
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}
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} |