picha - npm Package Compare versions

Comparing version 0.1.0 to 0.2.0

lib/image.js

@@ -20,3 +20,3 @@
 		this.data = new Buffer(this.stride * this.height);
-	if (this.stride * this.height != 0 && this.data.length < this.stride * this.height)
+	if (this.data && this.data.length < this.stride * (this.height - 1) + this.width * psize)
 		throw new Error("image data too small");
@@ -62,1 +62,14 @@ }
 }
+
+Image.prototype.subView = function(x, y, w, h) {
+	var p = this.pixelSize();
+	var off = y * this.stride + x * p;
+	var len = (h - 1) * this.stride + w * p;
+	return new Image({
+		width: w,
+		height: h,
+		pixel: this.pixel,
+		stride: this.stride,
+		data: this.data.slice(off, off + len)
+	});
+}

package.json

 {
   "name": "picha",
-  "version": "0.1.0",
+  "version": "0.2.0",
   "description": "image format codec and simple image processing",
@@ -5,0 +5,0 @@ "main": "index.js",

No alert changes

Improved metrics

Total package byte prevSize

77489

increased by0.38%

Lines of code

389

increased by3.18%

No dependency changes