extragear/graphics/digikam

[Gilles Caulier]

SVN commit 496361 by cgilles:

digikam from trunk : New option to convert an image from 8 to 16 bits/color/pixel and vis-versa.
CCMAIL: [hidden email]

 M  +6 -1      imageplugins/digikamimageplugin_core_ui.rc  
 M  +52 -3     imageplugins/imageplugin_core.cpp  
 M  +5 -0      imageplugins/imageplugin_core.h  
 M  +9 -1      utilities/imageeditor/canvas/dimginterface.cpp  
 M  +3 -1      utilities/imageeditor/canvas/dimginterface.h  
 M  +5 -0      utilities/imageeditor/editor/imageiface.cpp  
 M  +2 -0      utilities/imageeditor/editor/imageiface.h  


--- trunk/extragear/graphics/digikam/imageplugins/digikamimageplugin_core_ui.rc #496360:496361
@@ -1,5 +1,5 @@
 <!DOCTYPE kpartgui SYSTEM "kpartgui.dtd">
-<kpartgui version="2" name="digikamimageplugin_core" >
+<kpartgui version="3" name="digikamimageplugin_core" >
 
  <MenuBar>
 
@@ -13,6 +13,11 @@
       <Separator />
       <Action name="implugcore_autocorrection" />
       <Action name="implugcore_invert" />
+      <Menu name="Depth">
+        <text>&amp;Depth</text>
+        <Action name="implugcore_convertto8bits" />
+        <Action name="implugcore_convertto16bits" />
+      </Menu>
       <Separator />
       <Action name="implugcore_colormanagement" />
       <Separator />
--- trunk/extragear/graphics/digikam/imageplugins/imageplugin_core.cpp #496360:496361
@@ -20,15 +20,16 @@
  *
  * ============================================================ */
 
+#include <config.h>
+
 // KDE includes.
 
-#include <config.h>
-
 #include <klocale.h>
 #include <kgenericfactory.h>
 #include <klibloader.h>
 #include <kaction.h>
 #include <kcursor.h>
+#include <kmessagebox.h>
 #include <kdebug.h>
 
 // Local includes.
@@ -91,7 +92,15 @@
     m_invertAction = new KAction(i18n("Invert"), "invertimage", 0,
                          this, SLOT(slotInvert()),
                          actionCollection(), "implugcore_invert");
+    
+    m_convertTo8Bits = new KAction(i18n("8 bits"), 0, 0,
+                           this, SLOT(slotConvertTo8Bits()),
+                           actionCollection(), "implugcore_convertto8bits");
 
+    m_convertTo8Bits = new KAction(i18n("16 bits"), 0, 0,
+                           this, SLOT(slotConvertTo16Bits()),
+                           actionCollection(), "implugcore_convertto16bits");
+
     m_colorManagementAction = new KAction(i18n("Color Management..."), "colormanagement", 0,
                                           this, SLOT(slotColorManagement()),
                                           actionCollection(), "implugcore_colormanagement");
@@ -138,6 +147,8 @@
     m_sharpenAction->setEnabled(enable);
     m_blurAction->setEnabled(enable);
     m_colorManagementAction->setEnabled(enable);
+    m_convertTo8Bits->setEnabled(enable);
+    m_convertTo16Bits->setEnabled(enable);
 }
 
 void ImagePlugin_Core::slotBlur()
@@ -189,8 +200,9 @@
 
     Digikam::ImageFilters::invertImage(data, w, h, sixteenBit);
     iface.putOriginalImage(i18n("Invert"), data);
+    delete data;
 
-    parentWidget()->setCursor( KCursor::arrowCursor()  );
+    parentWidget()->setCursor( KCursor::arrowCursor() );
 }
 
 void ImagePlugin_Core::slotBW()
@@ -216,4 +228,41 @@
     dlg.exec();
 }
 
+void ImagePlugin_Core::slotConvertTo8Bits()
+{
+    Digikam::ImageIface iface(0, 0);
+
+    if (!iface.originalSixteenBit())
+    {
+       KMessageBox::error(parentWidget(), i18n("This picture already using a depth of 8 bits / color / pixel!"));
+       return;
+    }
+    else
+    {
+       if (KMessageBox::warningContinueCancel(parentWidget(),
+                                              i18n("Performing this operation will reduce image color quality! "
+                                                   "Do you want to continue?")) == KMessageBox::Cancel)
+           return;
+    }
+    
+    parentWidget()->setCursor( KCursor::waitCursor() );
+    iface.convertOriginalColorDepth(32);
+    parentWidget()->setCursor( KCursor::arrowCursor() );
+}
+
+void ImagePlugin_Core::slotConvertTo16Bits()
+{
+    Digikam::ImageIface iface(0, 0);
+    
+    if (iface.originalSixteenBit())
+    {
+       KMessageBox::error(parentWidget(), i18n("This picture already using a depth of 16 bits / color / pixel!"));
+       return;
+    }
+    
+    parentWidget()->setCursor( KCursor::waitCursor() );
+    iface.convertOriginalColorDepth(64);
+    parentWidget()->setCursor( KCursor::arrowCursor() );
+}
+
 #include "imageplugin_core.moc"
--- trunk/extragear/graphics/digikam/imageplugins/imageplugin_core.h #496360:496361
@@ -57,6 +57,8 @@
     KAction *m_sharpenAction;
     KAction *m_blurAction;
     KAction *m_colorManagementAction;
+    KAction *m_convertTo8Bits;
+    KAction *m_convertTo16Bits;
         
 private slots:
 
@@ -75,6 +77,9 @@
 
     void slotColorManagement();
 
+    void slotConvertTo8Bits();
+    void slotConvertTo16Bits();
+
 };
     
 #endif /* IMAGEPLUGIN_CORE_H */
--- trunk/extragear/graphics/digikam/utilities/imageeditor/canvas/dimginterface.cpp #496360:496361
@@ -4,7 +4,7 @@
  * Date  : 2003-01-15
  * Description :
  *
- * Copyright 2003-2005 by Renchi Raju, Gilles Caulier
+ * Copyright 2003-2006 by Renchi Raju, Gilles Caulier
  *
  * This program is free software; you can redistribute it
  * and/or modify it under the terms of the GNU General
@@ -712,6 +712,14 @@
     emit signalModified(true, d->undoMan->anyMoreRedo());
 }
 
+void DImgInterface::convertDepth(int depth)
+{
+    d->undoMan->addAction(new UndoActionIrreversible(this, "Convert Color Depth"));
+    d->image.convertDepth(depth);
+
+    emit signalModified(true, d->undoMan->anyMoreRedo());
+}
+
 DImg* DImgInterface::getImg()
 {
     if (!d->image.isNull())
--- trunk/extragear/graphics/digikam/utilities/imageeditor/canvas/dimginterface.h #496360:496361
@@ -4,7 +4,7 @@
  * Date  : 2003-01-15
  * Description :
  *
- * Copyright 2003-2005 by Renchi Raju, Gilles Caulier
+ * Copyright 2003-2006 by Renchi Raju, Gilles Caulier
  *
  * This program is free software; you can redistribute it
  * and/or modify it under the terms of the GNU General
@@ -110,6 +110,8 @@
 
     void   setBCG(double brightness, double contrast, double gamma);
 
+    void   convertDepth(int depth);
+    
     void   getUndoHistory(QStringList &titles);
     void   getRedoHistory(QStringList &titles);
 
--- trunk/extragear/graphics/digikam/utilities/imageeditor/editor/imageiface.cpp #496360:496361
@@ -320,6 +320,11 @@
     DImgInterface::instance()->setBCG(brightness, contrast, gamma);    
 }
 
+void ImageIface::convertOriginalColorDepth(int depth)
+{
+    DImgInterface::instance()->convertDepth(depth);
+}
+
 void ImageIface::paint(QPaintDevice* device, int x, int y, int w, int h)
 {
     if ( !d->image.isNull() )
--- trunk/extragear/graphics/digikam/utilities/imageeditor/editor/imageiface.h #496360:496361
@@ -99,6 +99,8 @@
     void setPreviewBCG(double brightness, double contrast, double gamma, bool overIndicator=false);
     void setOriginalBCG(double brightness, double contrast, double gamma);
 
+    void convertOriginalColorDepth(int depth);
+
     void paint(QPaintDevice* device, int x, int y, int w, int h);
 
     // FIXME : remove these methods when all image plugins will be ported to DImg.
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