From ba901065883ef19d4536f35e9838049a44cc30cb Mon Sep 17 00:00:00 2001
From: Bryan Schumaker <bjschuma@gmail.com>
Date: Tue, 26 Oct 2010 22:45:59 -0400
Subject: [PATCH] ocarina/image.py

This adds two new classes.  Image() inherits from a gtk.Image, and adds
set_height(x) to scale an image so it is x pixels high.  AlbumArt()
inherits from Image, and will display the album art of the currently
playing song.
---
 ocarina/image.py | 49 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 49 insertions(+)
 create mode 100644 ocarina/image.py

diff --git a/ocarina/image.py b/ocarina/image.py
new file mode 100644
index 00000000..b5ad48d5
--- /dev/null
+++ b/ocarina/image.py
@@ -0,0 +1,49 @@
+# Bryan Schumaker (10/24/2010)
+import libsaria
+import gtk
+
+class Image(gtk.Image):
+	def __init__(self):
+		gtk.Image.__init__(self)
+		self.show()
+
+	def set_height(self, new_h):
+		buf = self.get_pixbuf()
+		if buf == None:
+			return
+		w = buf.get_width()
+		h = buf.get_height()
+		if h == new_h:
+			return
+		new_w = (float(w) / float(h)) * new_h
+		if new_w>0 and new_h>0:
+			buf = buf.scale_simple(int(new_w), int(new_h), gtk.gdk.INTERP_HYPER)
+			self.set_from_pixbuf(buf)
+
+
+class AlbumArt(Image):
+	def __init__(self):
+		Image.__init__(self)
+		self.hide()
+		self.file = None
+		libsaria.event.invite("PRELOAD", self.preload)
+		libsaria.event.invite("POSTGETART", self.set)
+
+	def preload(self, *args):
+		self.hide()
+
+	def set(self, file=None):
+		if file != None:
+			self.file = file
+		if self.file != None:
+			self.set_from_file(self.file)
+			self.set_height(64)
+			self.show()
+		else:
+			self.hide()
+
+	def set_height(self, new_h):
+		size = self.size_request()
+		if size[1] == new_h:
+			return
+		Image.set_height(self, new_h)