mirror of https://gitgud.io/fatchan/gm
Aaron Heckmann
13 years ago
parent
698e99d7e2
commit
f60627d226
9 changed files with 495 additions and 376 deletions
@ -1,34 +1,55 @@ |
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// gm - Copyright Aaron Heckmann <aaron.heckmann+github@gmail.com> (MIT Licensed)
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module.exports = gm |
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/** |
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* Constructor. |
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* |
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* @param {String|Number} path - path to img source or width of img to create |
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* @param {Number} [height] - optional height of img to create |
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* @param {String} [color] - optional hex background color of created img |
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*/ |
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function gm (source, height, color) { |
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var width; |
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if (!(this instanceof gm)) { |
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return new gm(source, height, color); |
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} |
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this.data = {}; |
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this._in = []; |
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this._out = []; |
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function gm(source, height, color){ |
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if (!(this instanceof gm)) |
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return new gm(source, height, color) |
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if (height) { |
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// new images
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width = source; |
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source = ""; |
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this.data = {} |
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this._in = [] |
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this._out = [] |
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var arg = ["-size", width + "x" + height]; |
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var width |
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if (color) { |
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arg = arg.concat(['"xc:'+ color + '"']); |
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} |
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if (height){ |
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// new images
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width = source |
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source = "" |
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this.arg( |
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[ "-size", width + "x" + height ] |
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.concat( color ? ['"xc:'+ color + '"'] : [] ) |
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) |
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this.arg(arg); |
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} |
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this.source = source |
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this.source = source; |
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} |
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require("./lib/getters")(gm.prototype) |
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require("./lib/args")(gm.prototype) |
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require("./lib/drawing")(gm.prototype) |
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require("./lib/convenience")(gm.prototype) |
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require("./lib/command")(gm.prototype) |
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/** |
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* Augment the prototype. |
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*/ |
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require("./lib/getters")(gm.prototype); |
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require("./lib/args")(gm.prototype); |
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require("./lib/drawing")(gm.prototype); |
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require("./lib/convenience")(gm.prototype); |
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require("./lib/command")(gm.prototype); |
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/** |
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* Expose. |
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*/ |
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module.exports = gm; |
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@ -1,10 +1,8 @@ |
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// gm - Copyright Aaron Heckmann <aaron.heckmann+github@gmail.com> (MIT Licensed)
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module.exports = function(proto){ |
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require("./convenience/thumb")(proto) |
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require("./convenience/morph")(proto) |
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require("./convenience/sepia")(proto) |
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module.exports = function (proto) { |
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require("./convenience/thumb")(proto); |
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require("./convenience/morph")(proto); |
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require("./convenience/sepia")(proto); |
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} |
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@ -1,30 +1,48 @@ |
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// gm - Copyright Aaron Heckmann <aaron.heckmann+github@gmail.com> (MIT Licensed)
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var fs = require('fs') |
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var fs = require('fs'); |
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module.exports = function (proto) { |
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function noop () {} |
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module.exports = function(proto){ |
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// http://www.graphicsmagick.org/GraphicsMagick.html#details-morph
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proto.morph = function (other, outname, callback){ |
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if (!callback) callback = function(){} |
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if (!outname) throw new Error("an output filename is required") |
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var self = this |
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self.arg(null, [other, "-morph", 1]) |
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self.write(outname, function(err, stdout, stderr, cmd){ |
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if (err) return callback.call(self, err, stdout, stderr, cmd) |
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var remaining = 3 |
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fs.unlink(outname + ".0", next) |
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fs.unlink(outname + ".2", next) |
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fs.rename(outname + ".1", outname, next) |
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function next(err){ |
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proto.morph = function morph (other, outname, callback) { |
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if (!callback) callback = noop; |
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if (!outname) { |
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throw new Error("an output filename is required"); |
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} |
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var self = this; |
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self.arg(null, [other, "-morph", 1]); |
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self.write(outname, function (err, stdout, stderr, cmd) { |
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if (err) { |
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return callback.call(self, err, stdout, stderr, cmd); |
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} |
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var remaining = 3; |
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fs.unlink(outname + ".0", next); |
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fs.unlink(outname + ".2", next); |
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fs.rename(outname + ".1", outname, next); |
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function next (err) { |
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if (next.err) return; |
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if (err) { |
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remaining = 0 |
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return callback.call(self, err, stdout, stderr, cmd) |
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next.err = err; |
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return callback.call(self, err, stdout, stderr, cmd); |
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} |
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if (!--remaining) |
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return callback.call(self, err, stdout, stderr, cmd) |
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if (--remaining) return; |
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callback.call(self, err, stdout, stderr, cmd); |
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} |
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}) |
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return self |
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}); |
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return self; |
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}} |
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@ -1,10 +1,8 @@ |
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// gm - Copyright Aaron Heckmann <aaron.heckmann+github@gmail.com> (MIT Licensed)
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module.exports = function(proto){ |
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proto.sepia = function(){ |
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return this.modulate(115, 0, 100).colorize(7, 21, 50)
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module.exports = function (proto) { |
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proto.sepia = function sepia () { |
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return this.modulate(115, 0, 100).colorize(7, 21, 50); |
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} |
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} |
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@ -1,51 +1,57 @@ |
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// gm - Copyright Aaron Heckmann <aaron.heckmann+github@gmail.com> (MIT Licensed)
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module.exports = function(proto){ |
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proto.thumb = function (w, h, name, quality, callback){ |
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module.exports = function (proto) { |
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proto.thumb = function thumb (w, h, name, quality, callback) { |
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var self = this |
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, args = Array.prototype.slice.call(arguments, 0) |
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callback = args.pop() |
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w = args.shift() |
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h = args.shift() |
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name = args.shift() |
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quality = args.shift() || 63 |
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self.size(function(err, size){ |
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if (err) return callback.apply(self, arguments) |
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w = parseInt(w, 10) |
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h = parseInt(h, 10) |
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var w1, h1 |
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if (size.width < size.height){ |
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w1 = w |
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h1 = Math.floor(size.height * (w/size.width)) |
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if (h1 < h){ |
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w1 = Math.floor(w1 * ( ((h-h1)/h)+1 )) |
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h1 = h |
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, args = Array.prototype.slice.call(arguments); |
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callback = args.pop(); |
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w = args.shift(); |
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h = args.shift(); |
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name = args.shift(); |
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quality = args.shift() || 63; |
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self.size(function (err, size) { |
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if (err) { |
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return callback.apply(self, arguments); |
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} |
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w = parseInt(w, 10); |
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h = parseInt(h, 10); |
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var w1, h1; |
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if (size.width < size.height) { |
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w1 = w; |
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h1 = Math.floor(size.height * (w/size.width)); |
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if (h1 < h) { |
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w1 = Math.floor(w1 * (((h-h1)/h) + 1)); |
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h1 = h; |
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} |
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}
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else if (size.width > size.height){ |
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h1 = h |
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w1 = Math.floor(size.width * (h/size.height)) |
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if (w1 < w){ |
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h1 = Math.floor(h1 * ( ((w-w1)/w)+1 )) |
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w1 = w |
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} else if (size.width > size.height) { |
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h1 = h; |
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w1 = Math.floor(size.width * (h/size.height)); |
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if (w1 < w) { |
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h1 = Math.floor(h1 * (((w-w1)/w) + 1)); |
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w1 = w; |
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} |
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} else if (size.width == size.height) { |
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w1 = w; |
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h1 = h; |
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} |
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else if (size.width == size.height){ |
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w1 = w |
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h1 = h |
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} |
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self |
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.quality(quality) |
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.arg(["-size", w1+"x"+h1]) |
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.scale(w1, h1) |
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.crop(w, h) |
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.noProfile() |
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.write(name, function(){ |
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callback.apply(self, arguments) |
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}) |
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}) |
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return self |
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.quality(quality) |
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.arg(["-size", w1+"x"+h1]) |
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.scale(w1, h1) |
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.crop(w, h) |
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.noProfile() |
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.write(name, function () { |
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callback.apply(self, arguments) |
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}); |
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}); |
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return self; |
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}} |
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