78 lines
		
	
	
		
			2.5 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			78 lines
		
	
	
		
			2.5 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
| var x11 = require('../../lib');
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| 
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| x11.createClient(function(err, display) {
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|     var visual;
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|     var rgbaVisuals = Object.keys(display.screen[0].depths[32]);
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|     for (v in rgbaVisuals)
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|     {
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|         var vid = rgbaVisuals[v];
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|         if (display.screen[0].depths[32][vid].class === 4)
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|         {
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|             visual = vid;
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|             break;
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|         }
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|     }
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|     if (visual === undefined)
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|     {
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|         console.log('No RGBA visual found');
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|         return;
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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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|     var wid = X.AllocID();
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|     var white = display.screen[0].white_pixel;
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|     var black = display.screen[0].black_pixel;
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| 
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|     var cmid = X.AllocID();
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|     var depth = 32;
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|     X.CreateColormap(cmid, root, visual, 0); // 0=AllocNone, 1 AllocAll
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| 
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|     X.CreateWindow(wid, root, 10, 10, 168, 195, 1, depth, 1, visual, { eventMask: x11.eventMask.Exposure, colormap: cmid, backgroundPixel: 0, borderPixel: 0 });
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|     X.MapWindow(wid);
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| 
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|     var gc = X.AllocID();
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|     X.require('render', function(err, Render) {
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| 
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|         var pict = X.AllocID();
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|         Render.CreatePicture(pict, wid, Render.rgba32);
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|         var gradients = [];
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| 
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|         function randomLinear() {
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|             var stops = [];
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|             for (var i=0; i<3; ++i)
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|                 stops.push(Math.random());
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|             stops.sort();
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|             var colors = [];
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|             for (var i=0; i<stops.length; ++i)
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|                 colors.push([stops[i], [
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|                     parseInt(Math.random()*65535),
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|                     parseInt(Math.random()*65535),
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|                     parseInt(Math.random()*65535),
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|                     parseInt(Math.random()*65535)]]);
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| 
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|             console.log(colors);
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| 
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|             var gradient = X.AllocID();
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|             Render.LinearGradient(gradient, [0, 0], [100+parseInt(Math.random()*500), parseInt(100+Math.random()*300)], colors);
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|             return gradient;
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|         }
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| 
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|         for (var i=0; i < 50; ++i)
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|             gradients.push(randomLinear());
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| 
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|         setInterval(function() {
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|             var gid = parseInt(Math.random()*gradients.length);
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|             console.log(gradients[gid]);
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|             Render.Composite(1, gradients[gid], 0, pict, 0, 0, 0, 0, 0, 0, 400, 300);
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|         }, 2000);
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|     });
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|     //X.CreateGC(gc, wid, { foreground: black, background: white } );
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|     //setInterval(function() {
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|     //    X.PolyLine(0, wid, gc, [10, 10, 1430, 10, 1430, 868, 10, 868, 10, 10]);
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|     //}, 10000);
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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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| });
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