Remove nextTicks since they were only needed by node 0.10

See discussion in #740

Author: zbjornson

lib/jpegstream.js

@@ -63,15 +63,13 @@ JPEGStream.prototype._read = function _read() {
   var bufsize = this.options.bufsize;
   var quality = this.options.quality;
   var progressive = this.options.progressive;
-  process.nextTick(function(){
-    self.canvas[method](bufsize, quality, progressive, function(err, chunk){
-      if (err) {
-        self.emit('error', err);
-      } else if (chunk) {
-        self.push(chunk);
-      } else {
-        self.push(null);
-      }
-    });
+  self.canvas[method](bufsize, quality, progressive, function(err, chunk){
+    if (err) {
+      self.emit('error', err);
+    } else if (chunk) {
+      self.push(chunk);
+    } else {
+      self.push(null);
+    }
   });
 };

lib/pdfstream.js

@@ -56,15 +56,13 @@ PDFStream.prototype._read = function _read() {
   // call canvas.streamPDFSync once and let it emit data at will.
   this._read = noop;
   var self = this;
-  process.nextTick(function(){
-    self.canvas[self.method](function(err, chunk, len){
-      if (err) {
-        self.emit('error', err);
-      } else if (len) {
-        self.push(chunk);
-      } else {
-        self.push(null);
-      }
-    });
+  self.canvas[self.method](function(err, chunk, len){
+    if (err) {
+      self.emit('error', err);
+    } else if (len) {
+      self.push(chunk);
+    } else {
+      self.push(null);
+    }
   });
 };

lib/pngstream.js

@@ -75,15 +75,13 @@ PNGStream.prototype._read = function _read() {
   // call canvas.streamPNGSync once and let it emit data at will.
   this._read = noop;
   var self = this;
-  process.nextTick(function(){
-    self.canvas[self.method](function(err, chunk, len){
-      if (err) {
-        self.emit('error', err);
-      } else if (len) {
-        self.push(chunk);
-      } else {
-        self.push(null);
-      }
-    });
+  self.canvas[self.method](function(err, chunk, len){
+    if (err) {
+      self.emit('error', err);
+    } else if (len) {
+      self.push(chunk);
+    } else {
+      self.push(null);
+    }
   });
 };