From bc82ea61032bf7f1d2564674f0a7174df4b3dab4 Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Mon, 20 Sep 2010 09:28:39 -0600
Subject: [PATCH] Add button to Edit metadata dialog to trim borders from the
 cover

---
 imgsrc/trim.svg                             | 688 ++++++++++++++++++++
 resources/images/trim.png                   | Bin 0 -> 2553 bytes
 src/calibre/gui2/dialogs/metadata_single.py |  19 +
 src/calibre/gui2/dialogs/metadata_single.ui |  11 +
 4 files changed, 718 insertions(+)
 create mode 100644 imgsrc/trim.svg
 create mode 100644 resources/images/trim.png

diff --git a/imgsrc/trim.svg b/imgsrc/trim.svg
new file mode 100644
index 0000000000..8c8810fc66
--- /dev/null
+++ b/imgsrc/trim.svg
@@ -0,0 +1,688 @@
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diff --git a/src/calibre/gui2/dialogs/metadata_single.py b/src/calibre/gui2/dialogs/metadata_single.py
index 26dbda6ca4..53788809b6 100644
--- a/src/calibre/gui2/dialogs/metadata_single.py
+++ b/src/calibre/gui2/dialogs/metadata_single.py
@@ -300,6 +300,24 @@ class MetadataSingleDialog(ResizableDialog, Ui_MetadataSingleDialog):
         self.cpixmap = pix
         self.cover_data = cdata
 
+    def trim_cover(self, *args):
+        from calibre.utils.magick import Image
+        cdata = self.cover_data
+        if not cdata:
+            return
+        im = Image()
+        im.load(cdata)
+        im.trim(10)
+        cdata = im.export('jpg')
+        pix = QPixmap()
+        pix.loadFromData(cdata)
+        self.cover.setPixmap(pix)
+        self.cover_changed = True
+        self.cpixmap = pix
+        self.cover_data = cdata
+
+
+
     def sync_formats(self):
         old_extensions, new_extensions, paths = set(), set(), {}
         for row in range(self.formats.count()):
@@ -380,6 +398,7 @@ class MetadataSingleDialog(ResizableDialog, Ui_MetadataSingleDialog):
                         self.remove_unused_series)
         QObject.connect(self.auto_author_sort, SIGNAL('clicked()'),
                         self.deduce_author_sort)
+        self.trim_cover_button.clicked.connect(self.trim_cover)
         self.connect(self.author_sort, SIGNAL('textChanged(const QString&)'),
                      self.author_sort_box_changed)
         self.connect(self.authors, SIGNAL('editTextChanged(const QString&)'),
diff --git a/src/calibre/gui2/dialogs/metadata_single.ui b/src/calibre/gui2/dialogs/metadata_single.ui
index 74febf9c29..dbf825e706 100644
--- a/src/calibre/gui2/dialogs/metadata_single.ui
+++ b/src/calibre/gui2/dialogs/metadata_single.ui
@@ -625,6 +625,17 @@ Using this button to create author sort will change author sort from red to gree
                         </property>
                        </widget>
                       </item>
+                      <item>
+                       <widget class="QToolButton" name="trim_cover_button">
+                        <property name="toolTip">
+                         <string>Remove border (if any) from cover</string>
+                        </property>
+                        <property name="icon">
+                         <iconset resource="../../../../resources/images.qrc">
+                          <normaloff>:/images/trim.png</normaloff>:/images/trim.png</iconset>
+                        </property>
+                       </widget>
+                      </item>
                       <item>
                        <widget class="QToolButton" name="reset_cover">
                         <property name="toolTip">