From e9ae80694875f869892f13f4fcaf1170a00dea41 Mon Sep 17 00:00:00 2001
From: toma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>
Date: Wed, 25 Nov 2009 17:56:58 +0000
Subject: Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.
 BUG:215923

git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdewebdev@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da
---
 quanta/dialogs/tagdialogs/pictureview.cpp | 103 ++++++++++++++++++++++++++++++
 1 file changed, 103 insertions(+)
 create mode 100644 quanta/dialogs/tagdialogs/pictureview.cpp

(limited to 'quanta/dialogs/tagdialogs/pictureview.cpp')

diff --git a/quanta/dialogs/tagdialogs/pictureview.cpp b/quanta/dialogs/tagdialogs/pictureview.cpp
new file mode 100644
index 00000000..0082d379
--- /dev/null
+++ b/quanta/dialogs/tagdialogs/pictureview.cpp
@@ -0,0 +1,103 @@
+/***************************************************************************
+                          pictureview.cpp  -  description
+                             -------------------
+    begin                : Mon Nov 29 1999
+    copyright            : (C) 1999 by Dmitry Poplavsky & Yacovlev Alexander
+    email                : pdima@mail.univ.kiev.ua
+ ***************************************************************************/
+
+/***************************************************************************
+ *                                                                         *
+ *   This program is free software; you can redistribute it and/or modify  *
+ *   it under the terms of the GNU General Public License as published by  *
+ *   the Free Software Foundation; either version 2 of the License, or     *
+ *   (at your option) any later version.                                   *
+ *                                                                         *
+ ***************************************************************************/
+
+#include "pictureview.h"
+#include "pictureview.moc"
+#include "qpainter.h"
+#include <qimage.h>
+
+PictureView::PictureView(QWidget *parent, char *file, const char *name ) : QFrame(parent,name)
+{
+    if ( file ) {
+      pix = new QImage(file);
+      picwidth  = pix->width();
+      picheight = pix->height();
+      x_of = 0;
+      y_of = 0;
+      scale();
+    } else {
+      pix = new QImage();
+      picwidth  = 0;
+      picheight = 0;
+      x_of = 0;
+      y_of = 0;
+    }
+
+
+    setFrameStyle ( Box|Sunken );
+}
+
+PictureView::~PictureView()
+{
+}
+
+void PictureView::paintEvent( QPaintEvent * e )
+{
+    QPainter p;
+    p.begin( this );
+    p.drawImage( x_of, y_of, *pix );
+    p.end();
+
+    QFrame::paintEvent(e);
+
+}
+
+void PictureView::resizeEvent ( QResizeEvent *  e){
+  scale();
+  QFrame::resizeEvent(e);
+}
+
+/** set image */
+void PictureView::slotSetImage(const QString& file)
+{
+  pix->load( file );
+  picwidth  = pix->width();
+  picheight = pix->height();
+
+  scale();
+  repaint();
+}
+
+/** try scale  image */
+void PictureView::scale(){
+  float width_ot,height_ot;
+
+  width_ot  = 1;
+  height_ot = 1;
+  x_of = y_of = 0;
+
+  if ( picwidth  > size().width()  ) width_ot  = (float)size().width()/(float)picwidth;
+    else x_of = (size().width()-picwidth)/2;
+  if ( picheight > size().height() ) height_ot = (float)size().height()/(float)picheight;
+    else y_of = (size().height()-picheight)/2;
+
+  if (  width_ot < 1 || height_ot < 1) {
+    if ( width_ot < height_ot) {
+      *pix = pix->smoothScale( (int)(width_ot*picwidth), (int)(width_ot*picheight));
+      y_of = ( size().height()-(int)(width_ot*picheight) )/2;
+    }
+    else {
+      *pix = pix->smoothScale( (int)(height_ot*picwidth), (int)(height_ot*picheight));
+      x_of = ( size().width()-(int)(height_ot*picwidth) )/2;
+    }
+
+    picwidth  = size().width();
+    picheight = size().height();
+  }
+
+
+}
-- 
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