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use text from args

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This commit is contained in:
Andrey Sidorov 2014-04-01 23:43:04 +11:00
parent 8e8900f663
commit 368b88104f
1 changed files with 62 additions and 13 deletions
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75
examples/simple/text/render-glyph.js
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@ -1,7 +1,25 @@
var x11 = require('../../lib');
var x11 = require('../../../lib');
var fs = require('fs');
var PointerMotion = x11.eventMask.PointerMotion;
var Exposure = x11.eventMask.Exposure;
var ft2 = require('freetype2_render');
var fontface= ft2.parse(fs.readFileSync(process.argv[2]))
//console.log(fontface.hasKerning(), process.argv[2], '\n', fontface);
//process.exit(0);
/*
fontface.available_characters.forEach(function(left) {
fontface.available_characters.forEach(function(right) {
var kern = fontface.kerning(left, right, 50, 0, 96, 0);
if (kern.x != 0 || kern.y != 0)
console.log(left, right, kern);
});
});
*/
console.log(fontface.kerning('A'.charCodeAt(0), 'V'.charCodeAt(0), 50, 0, 96, 0))
function padWidth(buf, width) {
var height = buf.length / width;
if (width %4 === 0)
@ -47,34 +65,65 @@ var xclient = x11.createClient({ debug: true }, function(err, display) {
[0, [0x0000, 0x0, 0, 0xffff ] ],
[0.3, [0xffff, 0x0, 0, 0xffff ] ],
[0.997, [0xffff, 0xf, 0, 0x1] ],
[1, [0x0000, 0x0, 0, 0x0fff ] ],
[1, [0x0000, 0x0, 0, 0xffff ] ],
]
);
// TODO integrate freetype2 module here
var glyphs = require('./ob-font-50pt100dpi.json');
var pictLinearGrad = X.AllocID();
Render.LinearGradient(pictLinearGrad, [0,0], [1000,100],
[
[0, [0,0,0,0xffff ] ],
// [0.1, [0xfff, 0, 0xffff, 0x1000] ] ,
// [0.25, [0xffff, 0, 0xfff, 0x3000] ] ,
// [0.5, [0xffff, 0, 0xffff, 0x4000] ] ,
[1, [0xffff, 0xffff, 0, 0xffff] ]
]);
var glyphs = fontface.available_characters.map(function(ch) { return fontface.render(ch, parseInt(process.argv[3]*64), 0, 96, 0); });
var glyphFromCode = [];
glyphs.forEach(function(g) {
if (!g.image || (g.image.length == 0))
g.image = new Buffer(0);
if (!g.image || (g.image.length == 0)) {
g.image = new Buffer(64);
g.image.fill(0);
g.width = 8;
g.height = 8;
g.x = 0;
g.y = 0;
}
else {
g.image = new Buffer(g.image, 'base64');
g.origWidth = g.width;
g.image = padWidth(g.image, g.width);
g.width = g.image.length / g.height;
}
g.offX = g.offX / 64;
g.offY = g.offY / 64;
glyphFromCode[g.id] = g;
if (g.id == 'A'.charCodeAt(0))
g.offX -= 17;
});
Render.AddGlyphs(glyphSet, glyphs.slice(0, 128));
//Render.AddGlyphs(glyphSet, glyphs.slice(0, 128));
// TODO: check BigReq with big glyphset data
//Render.AddGlyphs(glyphSet, glyphs);
//for(var i=0; i < 120; ++i)
// Render.AddGlyphs(glyphSet, [glyphs[i]]);
for(var i=0; i < 120; ++i)
Render.AddGlyphs(glyphSet, [glyphs[i]]);
function draw(x, y) {
if (!y)
y = 0;
if (!x)
x = 0;
// TODO: example with multiple glyphsets in one CompositeGlyphs call
Render.FillRectangles(1, pict, [0xffff, 0xffff, 0xffff, 0xffff], [0, 0, 1000, 1000]);
Render.FillRectangles(1, pict, [0xffff, 0xffff, 0xffff, 0xffff], [0, 0, 3000, 3000]);
//Render.Composite(3, pictLinearGrad, 0, pict, 0, 0, 0, 0, 0, 0, 2500, 2500);
// op, src, dst, maskFormat, gsid, srcX, srcY, dstX, dstY, glyphs
//Render.CompositeGlyphs8(3, pictSolidPix, pict, 0, glyphSet, 0, 0, [[10, 60,'12345678 Hello! '], [100, 100, 'World *&@#$%']]);
Render.CompositeGlyphs8(3, pictGrad, pict, 0, glyphSet, 260-x, 260-y, [[10, 60,'12345678 Hello! '], [-40, 0, 'World'], [10, 10, "testing"]]);
//Render.CompositeGlyphs8(3, pictSolidPix, pict, 0, glyphSet, 0, 0, [[10, 60, process.argv[4]]]);
var yoff = 2*parseInt(process.argv[3]);
Render.CompositeGlyphs8(3, pictSolidPix, pict, 0, glyphSet, 260-x, yoff+260-y, [[20, 50, process.argv[4]]]);
}
X.on('event', function(ev) {