mirror of
https://github.com/danbulant/node-x11
synced 2026-06-16 05:01:28 +00:00
92 lines
3.3 KiB
JavaScript
92 lines
3.3 KiB
JavaScript
var x11 = require('../../lib');
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var PointerMotion = x11.eventMask.PointerMotion;
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function padWidth(buf, width) {
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var height = buf.length / width;
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if (width %4 === 0)
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return buf;
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else {
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var stride = (width+3)&~3;
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console.log('Resize: (' + width + 'x' + height + ') to ' + stride);
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var res = new Buffer(height*stride);
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res.fill(0);
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for (var y=0; y < height; ++y) {
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// memcpy(tmpbitmap+y*stride, bitmap->buffer+y*ginfo.width, ginfo.width);
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buf.copy(res, y*stride, y*width, y*width + width);
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}
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return res;
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}
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}
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var xclient = x11.createClient({ debug: true }, function(err, display) {
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var X = display.client;
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var root = display.screen[0].root;
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display.client.require('render', function(Render) {
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var wid = X.AllocID();
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var white = display.screen[0].white_pixel;
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varblack = display.screen[0].black_pixel;
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X.CreateWindow(wid, root, 10, 10, 400, 300, 0, 0, 0, 0, { backgroundPixel: white, eventMask: x11.eventMask.Exposure });
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X.MapWindow(wid);
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var glyphSet = X.AllocID();
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Render.CreateGlyphSet(glyphSet, Render.a8);
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var pict = X.AllocID();
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Render.CreatePicture(pict, wid, Render.rgb24);
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var pix = X.AllocID();
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X.CreatePixmap(pix, root, 32, 1, 1);
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var pictSolidPix = X.AllocID();
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Render.CreatePicture(pictSolidPix, pix, Render.rgba32, {repeat: 1});
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Render.FillRectangles(1, pictSolidPix, [0x0, 0x0, 0x0, 0xffff], [0, 0, 100, 100]);
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//X.FreePixmap(pix);
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var pictGrad = X.AllocID();
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Render.RadialGradient(pictGrad, [260,260], [260,260], 0, 260,
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[
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[0, [0,0,0,0x0fff ] ],
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//[0.3, [0,0,0,0x0fff ] ],
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//[0.997, [0xffff, 0xf, 0, 0x1] ],
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//[1, [0xffff, 0xffff, 0, 0x0] ],
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[1, [0,0,0,0x0fff ] ],
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]);
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//Render.AddGlyphs(glyphSet, glyphs.slice(0, 128));
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var glyphs = require('./ob-font-50pt100dpi.json');
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debugger;
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glyphs.forEach(function(g) {
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if (!g.image || (g.image.length == 0))
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g.image = new Buffer(0);
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else {
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g.image = new Buffer(g.image, 'base64');
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g.image = padWidth(g.image, g.width);
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g.width = g.image.length / g.height;
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if (isNaN(g.width))
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debugger
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}
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});
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//Render.AddGlyphs(glyphSet, [glyphs[10],glyphs[24]]);
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Render.AddGlyphs(glyphSet, glyphs.slice(0, 128));
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//Render.AddGlyphs(glyphSet, glyphs);
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//for(var i=0; i < 120; ++i)
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// Render.AddGlyphs(glyphSet, [glyphs[i]]);
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function draw(x, y) {
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Render.FillRectangles(1, pict, [0xffff, 0xffff, 0xffff, 0xffff], [0, 0, 1000, 1000]);
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// op, src, dst, maskFormat, gsid, srcX, srcY, dstX, dstY, glyphs
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Render.CompositeGlyphs8(3, pictSolidPix, pict, 0, glyphSet, 0, 0, [[10, 60,'12345678 Hello! '], [100, 100, 'World *&@#$%']]);
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//Render.CompositeGlyphs8(3, pictGrad, pict, 0, glyphSet, 0, 0, [[10, 60,'12345678 Hello! ', 'World']]);
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//Render.CompositeGlyphs8(3, pictSolidPix, pict, 0, glyphSet, 100, 100, [[50, 50,'----'], [10, 10, '=-=-']]);
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//Render.Composite(3, pictGrad, 0, pict, 0, 0, 0, 0, x-260, y-260, 520, 520);
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}
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X.on('event', function(ev) {
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draw(ev.x, ev.y);
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});
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});
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});
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