function gd_test(fmt) {
img.save('test.pic', fmt);
var img1 = gd.load('test.pic');
fs.unlink('test.pic');
img1 = gd.load(img.getData(fmt));
assert.equal(img1.width, 440);
assert.equal(img1.height, 240);
assert.equal(img1.format, fmt);
}
exports.init = function(data, format) {
var img;
try {
img = gd.load(data);
} catch (e) {
return;
}
var w = img.width,
h = img.height;
if (!format && img.format === gd.GIF)
return img;
if (w <= 1440 || h <= 1440)
return img;
if (w <= h && w > 1440) {
h = h * 1440 / w;
w = 1440;
} else if (h < w && h > 1440) {
w = w * 1440 / h;
h = 1440;
}
return img.resample(w, h);
}
module.exports = function(v, u) {
if (v.firstHeader('If-Modified-Since')) {
v.response.status = 304;
return;
}
v.response.addHeader('Last-Modified', 'Mon, 26 Nov 2012 00:00:00 GMT');
v.response.addHeader('Cache-Control', "max-age=" + 10 * 365 * 24 * 60 * 60);
v.response.addHeader('Content-Type', 'image/jpeg');
var type = v.query.type || "";
if (type === "weixin") {
var qrimg = gd.load(http.get("https://mp.weixin.qq.com/cgi-bin/showqrcode?ticket=" + u).readAll()).resample(360, 360);
var baseimg = gd.load(storage.getValue("04558e407a3a1c0d893f7862eef7abe8"));
baseimg.copy(qrimg, 140, 60, 0, 0, 360, 360);
baseimg = baseimg.resample(400, 400);
v.response.write(baseimg.getData(gd.JPEG, 50));
return;
}
var _htOption = {
width: 800,
height: 800
};
var qrcode = new QRCode(_htOption);
var imgbase = qrcode.makeCode(encodeURI("http://named.cn/" + u));
//群组图片
var hs = v.query.hs;
if (!hs) {
v.response.body.write(imgbase.getData(gd.JPEG));
} else {
// + 图片缩放 图片格式
var groupimg = hs + ".t180x180.jpg";
//将群组图片信息还原
var url2img = require('utils/url2img');
var newimg = url2img(v, groupimg);
newimg = image.loadimg(newimg);
imgbase = gd.load(imgbase.getData(gd.JPEG));
if (newimg) {
function drawPixel(newimg, imgbase) {
var h = newimg.height,
w = newimg.width;
var oh = imgbase.height,
ow = imgbase.width;
var nw = ow / 3,
nh = oh / 3;
var white = gd.rgb(255, 255, 255);
imgbase.copyResized(newimg, nw, nh, 0, 0, nw, nh, w, h);
for (var x = 0; x < nw; x++) {
for (var j = 0; j < 5; j++) {
imgbase.setPixel(nw + x, nh + j, white);
imgbase.setPixel(nw + x, 2 * nh - j, white);
}
}
for (var y = 0; y < nh; y++) {
for (var i = 0; i < 5; i++) {
imgbase.setPixel(nw + i, nh + y, white);
imgbase.setPixel(2 * nw - i, nh + y, white);
}
}
return imgbase;
}
var res = drawPixel(newimg, imgbase);
v.response.body.write(res.getData(gd.JPEG));
}
}
};
exports.loadimg = function(f) {
return gd.load(f);
}