Fixed issues with transparent images

CHANGELOG

@@ -22,3 +22,16 @@ CHANGELOG
 - Added charcode tables
 - Fixed Horizontal Tab
 - Fixed code tabulators
+
+* 2015-04-21 - Version 1.0.5
+- Merge pull request #45 from Krispy2009/master
+  . Raising the right error when wrong charcode is used
+  . Sent by Krispy2009@gmail.com
+
+* 2015-07-06 - Version 1.0.6
+- Merge pull request #53 from ldos/master
+  . Extended params for serial printers
+  . Sent by cafeteria.ldosalzira@gmail.com
+
+* 2015-08-22 - Version 1.0.6
+- Issue #57: Fixed transparent images

escpos/escpos.py

@@ -107,7 +107,15 @@ class Escpos:
     def image(self,path_img):
         """ Open image file """
         im_open = Image.open(path_img)
-        im = im_open.convert("RGB")
+
+	# Remove the alpha channel on transparent images
+	if im_open.mode == 'RGBA':
+		im_open.load()
+		im = Image.new("RGB", im_open.size, (255, 255, 255))
+		im.paste(im_open, mask=im_open.split()[3])
+	else:
+	        im = im_open.convert("RGB")
+
         # Convert the RGB image in printable image
         self._convert_image(im)
 
@@ -119,6 +127,7 @@ class Escpos:
         qr_code.make(fit=True)
         qr_img = qr_code.make_image()
         im = qr_img._img.convert("RGB")
+
         # Convert the RGB image in printable image
         self._convert_image(im)