1 files changed, 61 insertions, 0 deletions
diff --git a/noncore/graphics/opie-eye/slave/thumbnailtool.cpp b/noncore/graphics/opie-eye/slave/thumbnailtool.cpp
new file mode 100644
index 0000000..a202457
--- a/dev/null
+++ b/noncore/graphics/opie-eye/slave/thumbnailtool.cpp
@@ -0,0 +1,61 @@
+#include "thumbnailtool.h"
+
+#include <qfileinfo.h>
+#include <qdir.h>
+#include <qimage.h>
+#include <qpixmap.h>
+#include <qstring.h>
+
+static bool makeThumbDir( const QFileInfo& inf,  bool make = false) {
+    QDir dir( inf.dirPath()+ "/.opie-eye" );
+    if ( !dir.exists() )
+        if ( make )
+            return dir.mkdir(QString::null);
+        else
+            return false;
+    return true;
+}
+
+
+/*
+ * check if the Opie opie-eye dir exists
+ * check if a thumbnail exists
+ * load the thumbnail
+ * /foo/bar/imagefoo.gif
+ * check for a png in /foo/bar/.opie-eye/%dx%d-imagefoo.gif
+ */
+QPixmap ThumbNailTool::getThumb( const QString& path, int width, int height ) {
+    QFileInfo inf( path );
+    qWarning( "Get Thumb" );
+    if ( !makeThumbDir( inf ) ) {
+        QPixmap pix;
+        return pix;
+    }
+    QString str = QString( "/.opie-eye/%1x%2-%3" ).arg( width ).arg( height ).arg( inf.fileName() );
+    qWarning( inf.dirPath()+str );
+    return QPixmap( inf.dirPath()+str,"PNG" );
+
+}
+
+void ThumbNailTool::putThumb( const QString& path, const QPixmap& pix, int width, int height ) {
+    QFileInfo inf( path );
+    makeThumbDir( inf, true );
+    QString str = QString( "/.opie-eye/%1x%2-%3" ).arg( width ).arg( height ).arg( inf.fileName() );
+    qWarning( inf.dirPath()+str );
+    pix.save( inf.dirPath()+str, "PNG" );
+}
+
+
+QPixmap ThumbNailTool::scaleImage( QImage& img, int w, int h ) {
+    double hs = (double)h / (double)img.height() ;
+    double ws = (double)w / (double)img.width() ;
+    double scaleFactor = (hs > ws) ? ws : hs;
+    int smoothW = (int)(scaleFactor * img.width());
+    int smoothH = (int)(scaleFactor * img.height());
+    QPixmap pixmap;
+    if ( img.width() <= w && img.height() <= h )
+        pixmap.convertFromImage( img );
+    else
+        pixmap.convertFromImage( img.smoothScale( smoothW, smoothH) );
+    return pixmap;
+}