From cc7ccff48e0d4e6a8493241227427be4f71b8c93 Mon Sep 17 00:00:00 2001
From: Virgil Dupras <hsoft@hardcoded.net>
Date: Sun, 29 May 2011 10:18:03 -0400
Subject: [PATCH] [#154] Created the cross-platform unit core_pe.photo in prep
 for rotation support.

---
 core_pe/app_cocoa.py | 19 ++++++-------------
 core_pe/photo.py     | 26 ++++++++++++++++++++++++++
 qt/pe/app.py         | 18 +++---------------
 3 files changed, 35 insertions(+), 28 deletions(-)
 create mode 100644 core_pe/photo.py

diff --git a/core_pe/app_cocoa.py b/core_pe/app_cocoa.py
index 75294782..b9b7d6c8 100644
--- a/core_pe/app_cocoa.py
+++ b/core_pe/app_cocoa.py
@@ -14,31 +14,24 @@ import re
 from appscript import app, its, CommandError, ApplicationNotFoundError
 
 from hscommon import io
-from hscommon.util import get_file_ext, remove_invalid_xml
+from hscommon.util import remove_invalid_xml
 from hscommon.path import Path
 from hscommon.cocoa.objcmin import NSUserDefaults, NSURL
 from hscommon.trans import tr
 
-from core import fs
 from core import app_cocoa, directories
 from . import data, _block_osx
+from .photo import Photo as PhotoBase
 from .scanner import ScannerPE
 
 IPHOTO_PATH = Path('iPhoto Library')
 
-class Photo(fs.File):
-    INITIAL_INFO = fs.File.INITIAL_INFO.copy()
-    INITIAL_INFO.update({
-        'dimensions': (0,0),
-    })
-    HANDLED_EXTS = {'png', 'jpg', 'jpeg', 'gif', 'psd', 'bmp', 'tiff', 'tif', 'nef', 'cr2'}
-    
-    @classmethod
-    def can_handle(cls, path):
-        return fs.File.can_handle(path) and get_file_ext(path[-1]) in cls.HANDLED_EXTS
+class Photo(PhotoBase):
+    HANDLED_EXTS = PhotoBase.HANDLED_EXTS.copy()
+    HANDLED_EXTS.update({'psd', 'nef', 'cr2'})
     
     def _read_info(self, field):
-        fs.File._read_info(self, field)
+        PhotoBase._read_info(self, field)
         if field == 'dimensions':
             self.dimensions = _block_osx.get_image_size(str(self.path))
     
diff --git a/core_pe/photo.py b/core_pe/photo.py
new file mode 100644
index 00000000..3e47dac9
--- /dev/null
+++ b/core_pe/photo.py
@@ -0,0 +1,26 @@
+# Created By: Virgil Dupras
+# Created On: 2011-05-29
+# Copyright 2011 Hardcoded Software (http://www.hardcoded.net)
+# 
+# This software is licensed under the "BSD" License as described in the "LICENSE" file, 
+# which should be included with this package. The terms are also available at 
+# http://www.hardcoded.net/licenses/bsd_license
+
+from hscommon.util import get_file_ext
+from core import fs
+
+class Photo(fs.File):
+    INITIAL_INFO = fs.File.INITIAL_INFO.copy()
+    INITIAL_INFO.update({
+        'dimensions': (0,0),
+    })
+    # These extensions are supported on all platforms
+    HANDLED_EXTS = {'png', 'jpg', 'jpeg', 'gif', 'bmp', 'tiff', 'tif'}
+    
+    @classmethod
+    def can_handle(cls, path):
+        return fs.File.can_handle(path) and get_file_ext(path[-1]) in cls.HANDLED_EXTS
+    
+    def get_blocks(self, block_count_per_side):
+        raise NotImplementedError()
+    
diff --git a/qt/pe/app.py b/qt/pe/app.py
index 699c9382..457915b3 100644
--- a/qt/pe/app.py
+++ b/qt/pe/app.py
@@ -11,10 +11,8 @@ import logging
 
 from PyQt4.QtGui import QImage, QImageReader
 
-from hscommon.util import get_file_ext
-
-from core import fs
 from core_pe import data as data_pe, __appname__
+from core_pe.photo import Photo as PhotoBase
 from core_pe.scanner import ScannerPE
 
 from ..base.app import DupeGuru as DupeGuruBase
@@ -24,19 +22,9 @@ from .result_window import ResultWindow
 from .preferences import Preferences
 from .preferences_dialog import PreferencesDialog
 
-class File(fs.File):
-    INITIAL_INFO = fs.File.INITIAL_INFO.copy()
-    INITIAL_INFO.update({
-        'dimensions': (0,0),
-    })
-    HANDLED_EXTS = set(['png', 'jpg', 'jpeg', 'gif', 'bmp', 'tiff', 'tif'])
-    
-    @classmethod
-    def can_handle(cls, path):
-        return fs.File.can_handle(path) and get_file_ext(path[-1]) in cls.HANDLED_EXTS
-    
+class File(PhotoBase):
     def _read_info(self, field):
-        fs.File._read_info(self, field)
+        PhotoBase._read_info(self, field)
         if field == 'dimensions':
             try:
                 ir = QImageReader(str(self.path))