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use solid pixap, resize glyphs to have width multiples of 4

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This commit is contained in:
Andrey Sidorov 2014-03-31 10:53:57 +11:00
parent 8cfac532ec
commit 9731bc454e
1 changed files with 43 additions and 7 deletions
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50
examples/simple/render-glyph.js
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@ -3,6 +3,19 @@ var PointerMotion = x11.eventMask.PointerMotion;
function padWidth(buf, width) {
var height = buf.length / width;
if (width %4 === 0)
return buf;
else {
var stride = (width+3)&~3;
console.log('Resize: (' + width + 'x' + height + ') to ' + stride);
var res = new Buffer(height*stride);
res.fill(0);
for (var y=0; y < height; ++y) {
// memcpy(tmpbitmap+y*stride, bitmap->buffer+y*ginfo.width, ginfo.width);
buf.copy(res, y*stride, y*width, y*width + width);
}
return res;
}
}
var xclient = x11.createClient({ debug: true }, function(err, display) {
@ -12,7 +25,7 @@ var xclient = x11.createClient({ debug: true }, function(err, display) {
var wid = X.AllocID();
var white = display.screen[0].white_pixel;
varblack = display.screen[0].black_pixel;
X.CreateWindow(wid, root, 10, 10, 400, 300, 0, 0, 0, 0, { backgroundPixel: white, eventMask: PointerMotion });
X.CreateWindow(wid, root, 10, 10, 400, 300, 0, 0, 0, 0, { backgroundPixel: white, eventMask: x11.eventMask.Exposure });
X.MapWindow(wid);
var glyphSet = X.AllocID();
@ -21,6 +34,13 @@ var xclient = x11.createClient({ debug: true }, function(err, display) {
var pict = X.AllocID();
Render.CreatePicture(pict, wid, Render.rgb24);
var pix = X.AllocID();
X.CreatePixmap(pix, root, 32, 1, 1);
var pictSolidPix = X.AllocID();
Render.CreatePicture(pictSolidPix, pix, Render.rgba32, {repeat: 1});
Render.FillRectangles(1, pictSolidPix, [0x0, 0x0, 0x0, 0xffff], [0, 0, 100, 100]);
//X.FreePixmap(pix);
var pictGrad = X.AllocID();
Render.RadialGradient(pictGrad, [260,260], [260,260], 0, 260,
[
@ -32,20 +52,36 @@ var xclient = x11.createClient({ debug: true }, function(err, display) {
]);
var glyphs = require('./ob-font-50pt100dpi.json');
//Render.AddGlyphs(glyphSet, glyphs.slice(0, 128));
var glyphs = require('./ob-font-50pt100dpi.json');
debugger;
glyphs.forEach(function(g) {
if (!g.image || g.image.length == 0)
if (!g.image || (g.image.length == 0))
g.image = new Buffer(0);
else
else {
g.image = new Buffer(g.image, 'base64');
//g.image = padWidth(g.image, w.width);
g.image = padWidth(g.image, g.width);
g.width = g.image.length / g.height;
if (isNaN(g.width))
debugger
}
});
Render.AddGlyphs(glyphSet, [glyphs[10],glyphs[24]]);
//Render.AddGlyphs(glyphSet, [glyphs[10],glyphs[24]]);
Render.AddGlyphs(glyphSet, glyphs.slice(0, 128));
//Render.AddGlyphs(glyphSet, glyphs);
//for(var i=0; i < 120; ++i)
// Render.AddGlyphs(glyphSet, [glyphs[i]]);
function draw(x, y) {
Render.FillRectangles(1, pict, [0xffff, 0xffff, 0xffff, 0xffff], [0, 0, 1000, 1000]);
// op, src, dst, maskFormat, gsid, srcX, srcY, dstX, dstY, glyphs
Render.CompositeGlyphs8(3, pictGrad, pict, 0, glyphSet, 100, 100, ['----', '=']);
Render.CompositeGlyphs8(3, pictSolidPix, pict, 0, glyphSet, 0, 0, [[10, 60,'12345678 Hello! '], [100, 100, 'World *&@#$%']]);
//Render.CompositeGlyphs8(3, pictGrad, pict, 0, glyphSet, 0, 0, [[10, 60,'12345678 Hello! ', 'World']]);
//Render.CompositeGlyphs8(3, pictSolidPix, pict, 0, glyphSet, 100, 100, [[50, 50,'----'], [10, 10, '=-=-']]);
//Render.Composite(3, pictGrad, 0, pict, 0, 0, 0, 0, x-260, y-260, 520, 520);
}