[Digikam-devel] [Bug 118539] wish: lossless image-editor for JPEGs

[Gilles Caulier]

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http://bugs.kde.org/show_bug.cgi?id=118539         




------- Additional Comments From caulier.gilles kdemail net  2007-02-08 16:48 -------
SVN commit 631612 by cgilles:

digikam from trunk : JPEG file save settings widget : add a "RED" warning message about this lossy compression image file format. An url link to wikipedia is given to learn more about JPEG...

This warning is displayed in Setup Save File dialog page and in Save File Dialog from editor

CCBUGS: 118539

 M  +17 -1     jpegsettings.cpp  


--- trunk/extragear/graphics/digikam/libs/dimg/loaders/jpegsettings.cpp #631611:631612
 @ -30,6 +30,7  @
 #include <klocale.h>
 #include <kdialog.h>
 #include <knuminput.h>
+#include <kactivelabel.h>
 
 // Local includes.
 
 @ -49,12 +50,15  @
         JPEGGrid             = 0;
         labelJPEGcompression = 0;
         JPEGcompression      = 0;
+        labelWarning         = 0;
     }
 
     QGridLayout  *JPEGGrid;
 
     QLabel       *labelJPEGcompression;
 
+    KActiveLabel *labelWarning;
+
     KIntNumInput *JPEGcompression;
 };
 
 @ -63,7 +67,7  @
 {
     d = new JPEGSettingsPriv;
 
-    d->JPEGGrid        = new QGridLayout(this, 1, 1, KDialog::spacingHint());
+    d->JPEGGrid        = new QGridLayout(this, 1, 2, KDialog::spacingHint());
     d->JPEGcompression = new KIntNumInput(75, this);
     d->JPEGcompression->setRange(1, 100, 1, true );
     d->labelJPEGcompression = new QLabel(i18n("JPEG quality:"), this);
 @ -77,8 +81,20  @
                                              "large file size)<p>"
                                              "<b>Note: JPEG is not a lossless image "
                                              "compression format.</b>"));
+
+    d->labelWarning = new KActiveLabel(i18n("<qt><font size=-1 color=\"red\"><i>"
+                          "Warning: <a href='http://en.wikipedia.org/wiki/JPEG'>JPEG</a> is a<br>"
+                          "lossy compression<br>"
+                          "image format!</p>"
+                          "</i></qt>"), this);
+
+    d->labelWarning->setFrameStyle(QFrame::Box | QFrame::Plain);
+    d->labelWarning->setLineWidth(1);
+    d->labelWarning->setFrameShape(QFrame::Box);
+
     d->JPEGGrid->addMultiCellWidget(d->labelJPEGcompression, 0, 0, 0, 0);
     d->JPEGGrid->addMultiCellWidget(d->JPEGcompression, 0, 0, 1, 1);
+    d->JPEGGrid->addMultiCellWidget(d->labelWarning, 0, 0, 2, 2);    
     d->JPEGGrid->setColStretch(1, 10);
 }