dan/pngjs
1
0
Fork 0
mirror of https://github.com/danbulant/pngjs synced 2026-06-19 22:41:58 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

expand example to create a new file

Browse source
This commit is contained in:
Luke Page 2015-10-09 07:49:42 +01:00
parent 912df207b5
commit 45033d4031
1 changed files with 19 additions and 6 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

25
examples/newfile.js
View file

@ -1,10 +1,23 @@
var PNG = require("../lib/png").PNG;
(new PNG({width:1,height:1})).pack()
.on('data', function(data) {
console.log('data', data);
})
.on('end', function() {
var newfile = new PNG({width:10,height:10});
for (var y = 0; y < png.height; y++) {
for (var x = 0; x < png.width; x++) {
var idx = (png.width * y + x) << 2;
var col = x < (png.width >> 1) ^ y < (png.height >> 1) ? 0xe5 : 0xff;
png.data[idx] = col;
png.data[idx + 1] = col;
png.data[idx + 2] = col;
png.data[idx + 3] = 0xff;
}
}
newfile.pack()
.pipe(fs.createWriteStream(__dirname + '/newfile.png'))
.on('finish', function() {
console.log('bitmap:', this.data);
console.log('end !');
});
});