getRealDimensions: function(img, mime) {
var src;
switch (mime) {
case 'image/jpeg':
src = gd.createFromJpeg(img);
break;
case 'image/gif':
src = gd.createFromGif(img);
break;
case 'image/png':
src = gd.createFromPng(img);
break;
}
return { w: src.width, h: src.height };
},
resizePng: function(opts, cb) {
var src = gd.createFromPng(opts.processPath),
w = (opts.w) ? opts.w : false,
h = (opts.h) ? opts.h : false,
dims = this.parseDimensions(w, h, src.width, src.height),
self = this;
var target = gd.createTrueColor(dims.w, dims.h);
src.copyResampled(target, 0, 0, 0, 0, dims.w, dims.h, src.width, src.height);
target.savePng(opts.uploadPath, opts.quality, function (err) {
if (err) return self.removeImage(opts.processPath,
'Could not save processed image: ' + opts.uploadPath, cb);
return cb(null, { name: opts.imageName, path: opts.uploadPath,
url: opts.url, mime: opts.mime });
});
},
items.forEach(function(i, c) {
if( i.fit ){
var fit = i.fit;
i.sprite = opts.spritePath + spriteName;
png = gd.createFromPng(target.stylesDir + '/' + i.data.image);
png.copy(sprite, fit.x, fit.y, 0, 0, png.width, png.height);
target.images[i.data.image] = i;
_addImage(i);
}else{
var errorMsg = 'Image "' + i.data.image + '" does not fit into sprite.' +
'You will probably need to increase sprite size.';
cb({msg: errorMsg});
}
});
Picsee.prototype.cropPng = function(image, opts, orig, cb) {
var self = this,
src = gd.createFromPng(image),
target = gd.createTrueColor(opts.w, opts.h);
target.alphaBlending(0);
target.saveAlpha(1);
var transparent = src.colorAllocateAlpha(0,0,0,127);
target.colorTransparent(transparent);
src.copyResampled(target, 0, 0, opts.x1, opts.y1, opts.w, opts.h,
opts.w, opts.h);
target.savePng(image, self._pngQlty, function (err) {
if (err) return cb(err, null);
var opts = {
image: { name: path.basename(image) || null },
orig: orig || null,
processPath: image || null,
ext: utils.getFileExt(image) || null
};
self.process(opts, cb);
});
};