126 lines
		
	
	
		
			3.5 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			126 lines
		
	
	
		
			3.5 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
| var _ = require('underscore');
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| var x11 = require('../../lib');
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| var Exposure = x11.eventMask.Exposure;
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| var PointerMotion = x11.eventMask.PointerMotion;
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| var ButtonPress = x11.eventMask.ButtonPress;
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| 
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| var draw;
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| 
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| var useConvo3 = true;
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| 
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| x11.createClient({ debug: true}, function(err, display) {
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| 
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|   var X = display.client;
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|   var root = display.screen[0].root;
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| 
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|   var wid = X.AllocID();
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|   X.CreateWindow(
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|      wid, root,
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|      0, 0, 800, 600,
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|      0, 0, 0, 0,
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|      {
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|         eventMask: Exposure|PointerMotion|ButtonPress
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|      }
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|   );
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|   X.MapWindow(wid);
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| 
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| 
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|   X.require('render', function(err, Render) {
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| 
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|     Render.QueryFilters(console.log);
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| 
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|     var pixMask = X.AllocID();
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|     X.CreatePixmap(pixMask, wid, 8, 600, 600);
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|     var pictTraps = X.AllocID();
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|     Render.CreatePicture(pictTraps, pixMask, Render.a8);
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| 
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|     var pictWin = X.AllocID();
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|     Render.CreatePicture(pictWin, wid, Render.rgb24);
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| 
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|     var pictSolid = X.AllocID();
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|     r = 0.2; g = 0.2; b = 0.2; a = 1;
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|     Render.CreateSolidFill(pictSolid, r, g, b, a);
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| 
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|     var pixBuff = X.AllocID();
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|     X.CreatePixmap(pixBuff, wid, 24, 600, 600);
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|     var pictBuff = X.AllocID();
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|     Render.CreatePicture(pictBuff, pixBuff, Render.rgb24);
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| 
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|     var convo5 = [ 5, 5, 0.0030,    0.0133,    0.0219,    0.0133,    0.0030,
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|       0.0133,    0.0596,    0.0983,    0.0596,    0.0133,
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|       0.0219,    0.0983,    0.1621,    0.0983,    0.0219,
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|       0.0133,    0.0596,    0.0983,    0.0596,    0.0133,
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|       0.0030,    0.0133,    0.0219,    0.0133,    0.0030];
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|     var convo3 = [3, 3, 0.01, 0.08, 0.01, 0.08, 0.64, 0.08, 0.01, 0.08, 0.01];
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| 
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|     var convo5 = [21, 21].concat(require('./blur-convolution')(21, 11));
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| 
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|     //Render.SetPictureFilter(pictBuff, 'convolution', convo3);
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|     //Render.SetPictureFilter(pictTraps, 'convolution', convo3);
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|     //Render.SetPictureFilter(pictBuff, 'bilinear', []);
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|     Render.SetPictureFilter(pictBuff, 'best', []);
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| 
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|     draw1 = function(x, y) {
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|       console.log('draw 1', x, y);
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|        var r = 3 + 2*Math.floor(x / 100);
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|        var convo = [r, r].concat(require('./blur-convolution')(r, r));
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|        Render.SetPictureFilter(pictBuff, 'convolution', convo);
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| 
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|        var a = (x-400)/500;
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|        var m = [
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|         Math.cos(a), Math.sin(a), 0,
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|         -Math.sin(a), Math.cos(a), 0,
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|         0, 0, 1
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|       ];
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|      // Render.SetPictureTransform(pictTraps, m)
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| 
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|       var r, g, b;
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| 
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|       // fill window
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|       r = 1; g = 1; b = 1; a = 0.5;
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|       Render.FillRectangles(1, pictBuff, [r, g, b, a], [0, 0, 1000, 1000])
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| 
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|       // fill traps
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|       r = 0; g = 0; b = 0; a = 0;
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|       Render.FillRectangles(1, pictTraps, [r, g, b, a], [0, 0, 1000, 1000])
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| 
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|       Render.AddTraps(pictTraps, 0, 0, [
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|         x, 200, y,
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|         //150, 200, 50,
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|         5, 250, 300,
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|         110, 200, 310,
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|         50, 150, 500
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|       ]);
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| 
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| 
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|       // (op, src, mask, dst, srcX, srcY, maskX, maskY, dstX, dstY, width, height)
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|       //Render.Composite(Render.PictOp.Over, pictSolid, pictTraps, pictWin, 0, 0, 0, 0, 0, 0, 800, 600);
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|       //Render.PictOp.Over
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| 
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|       Render.Composite(Render.PictOp.Over, pictSolid, pictTraps, pictBuff, 0, 0, 0, 0, 0, 0, 800, 600);
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|       Render.Composite(Render.PictOp.Over, pictBuff, 0, pictWin, 0, 0, 0, 0, 0, 0, 800, 600);
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| 
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|     };
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| 
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|     draw = function(x, y) {
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|       var f = _.debounce(function() {
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|         draw1(x, y);
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|       }, 100);
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|       f();
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|     };
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| 
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|   });
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| 
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| }).on('error', function(err) {
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|    console.log(err);
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| }).on('event', function(ev) {
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|     //console.log(ev);
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|     if (ev.name == 'MotionNotify') {
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|       draw(ev.x, ev.y);
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|     } else if (ev.name == 'ButtonPress') {
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|       useConvo3 = !useConvo3;
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|       draw(ev.x, ev.y);
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|       //console.log(ev);
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|     }
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| });
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