From 266b184c615022484b988e1638be768b11c0c19b Mon Sep 17 00:00:00 2001
From: alwin <alwin>
Date: Mon, 05 Apr 2004 22:09:25 +0000
Subject: yeah - autoresize and autoscale now have toggle-buttons and the image display

respect these buttons
ToDo:
find a good way for prescaled loading of images if autoScale is on (in respect
to autorotate and so on)
---
diff --git a/noncore/graphics/opie-eye/gui/imagescrollview.cpp b/noncore/graphics/opie-eye/gui/imagescrollview.cpp
index 7d83e29..ee20f40 100644
--- a/noncore/graphics/opie-eye/gui/imagescrollview.cpp
+++ b/noncore/graphics/opie-eye/gui/imagescrollview.cpp
@@ -32,22 +32,52 @@ void ImageScrollView::setImage(const QImage&img)
 {
     _image_data = QImage();
     _original_data=img;
-    first_resize_done = false;
-    init();
+    if (first_resize_done) {
+        generateImage();
+    }
 }
 
 void ImageScrollView::setImage( const QString& path ) {
-
+    odebug << "load new image " << oendl;
+    _original_data.load(path);
+    _image_data = QImage();
+    if (first_resize_done) {
+        generateImage();
+    }
 }
 
 /* should be called every time the QImage changed it content */
 void ImageScrollView::init()
 {
+    odebug << "init " << oendl;
     viewport()->setBackgroundColor(white);
-    if (_original_data.size().isValid()) {
+    if (first_resize_done) {
+        last_rot = Rotate0;
+        generateImage();
+        odebug << "reinit display " << oendl;
+    } else if (_original_data.size().isValid()) {
         resizeContents(_original_data.width(),_original_data.height());
     }
-    last_rot = Rotate0;
+}
+
+void ImageScrollView::setAutoRotate(bool how)
+{
+    /* to avoid double repaints */
+    if (rotate_to_fit != how) {
+        rotate_to_fit = how;
+        _image_data = QImage();
+        generateImage();
+    }
+}
+
+void ImageScrollView::setAutoScale(bool how)
+{
+    scale_to_fit = how;
+    if (!how) {
+        rotate_to_fit = false;
+    }
+    _image_data = QImage();
+    generateImage();
 }
 
 ImageScrollView::~ImageScrollView()
@@ -181,10 +211,8 @@ void ImageScrollView::rotate_into_data(Rotation r)
     _image_data = dest;
 }
 
-void ImageScrollView::resizeEvent(QResizeEvent * e)
+void ImageScrollView::generateImage()
 {
-    odebug << "ImageScrollView resizeEvent" << oendl;
-    QScrollView::resizeEvent(e);
     Rotation r = Rotate0;
     if (width()>height()&&_original_data.width()<_original_data.height() ||
         width()<height()&&_original_data.width()>_original_data.height()) {
@@ -193,6 +221,7 @@ void ImageScrollView::resizeEvent(QResizeEvent * e)
     odebug << " r = " << r << oendl;
     if (scale_to_fit) {
         if (!_image_data.size().isValid()||width()>_image_data.width()||height()>_image_data.height()) {
+            odebug << "Rescaling data" << oendl;
             if (r==Rotate0) {
                 _image_data = _original_data;
             } else {
@@ -200,8 +229,8 @@ void ImageScrollView::resizeEvent(QResizeEvent * e)
             }
         }
         rescaleImage(width(),height());
-        resizeContents(width()-10,height()-10);
-    }  else if (!first_resize_done||r!=last_rot) {
+        resizeContents(_image_data.width(),_image_data.height());
+    }  else if (!first_resize_done||r!=last_rot||_image_data.width()==0) {
         if (r==Rotate0) {
             _image_data = _original_data;
         } else {
@@ -210,6 +239,13 @@ void ImageScrollView::resizeEvent(QResizeEvent * e)
         last_rot = r;
         resizeContents(_image_data.width(),_image_data.height());
     }
+}
+
+void ImageScrollView::resizeEvent(QResizeEvent * e)
+{
+    odebug << "ImageScrollView resizeEvent" << oendl;
+    QScrollView::resizeEvent(e);
+    generateImage();
     first_resize_done = true;
 }
 
diff --git a/noncore/graphics/opie-eye/gui/imagescrollview.h b/noncore/graphics/opie-eye/gui/imagescrollview.h
index 864a015..dcf54ce 100644
--- a/noncore/graphics/opie-eye/gui/imagescrollview.h
+++ b/noncore/graphics/opie-eye/gui/imagescrollview.h
@@ -21,6 +21,9 @@ public:
     void setImage( const QString& path );
     void setDestructiveClose();
 
+    void setAutoRotate(bool);
+    void setAutoScale(bool);
+
     enum  Rotation {
         Rotate0,
         Rotate90,
@@ -48,6 +51,7 @@ protected:
     void rescaleImage(int w, int h);
 
     void rotate_into_data(Rotation r);
+    void generateImage();
 
 protected slots:
     virtual void viewportMouseMoveEvent(QMouseEvent* e);
diff --git a/noncore/graphics/opie-eye/gui/mainwindow.cpp b/noncore/graphics/opie-eye/gui/mainwindow.cpp
index 7f384bd..88acd59 100644
--- a/noncore/graphics/opie-eye/gui/mainwindow.cpp
+++ b/noncore/graphics/opie-eye/gui/mainwindow.cpp
@@ -92,6 +92,20 @@ PMainWindow::PMainWindow(QWidget* wid, const char* name, WFlags style)
     btn->setIconSet( Resource::loadIconSet( "SettingsIcon" ) );
     connect( btn, SIGNAL(clicked() ),
              this, SLOT(slotConfig() ) );
+    
+    rotateButton = new QToolButton(bar);
+    rotateButton->setIconSet( Resource::loadIconSet( "rotate" ) );
+    rotateButton->setToggleButton(true);
+    rotateButton->setOn(true);
+    connect(rotateButton,SIGNAL(toggled(bool)),this,SLOT(slotRotateToggled(bool)));
+    autoRotate = true;
+
+    btn = new QToolButton(bar);
+    btn->setIconSet( Resource::loadIconSet( "1to1" ) );
+    btn->setToggleButton(true);
+    btn->setOn(false);
+    connect(btn,SIGNAL(toggled(bool)),this,SLOT(slotScaleToggled(bool)));
+    autoScale = true;
 
 }
 
@@ -99,6 +113,25 @@ PMainWindow::~PMainWindow() {
     odebug << "Shutting down" << oendl;
 }
 
+void PMainWindow::slotRotateToggled(bool how)
+{
+    autoRotate = how;
+    if (m_disp) {
+        m_disp->setAutoRotate(how);
+    }
+}
+
+void PMainWindow::slotScaleToggled(bool how)
+{
+    autoScale = !how;
+    if (m_disp) {
+        m_disp->setAutoScale(autoScale);
+    }
+    if (!autoScale && autoRotate) {
+        rotateButton->setOn(false);
+    }
+    rotateButton->setEnabled(!how);
+}
 
 void PMainWindow::slotConfig() {
    /*
@@ -180,6 +213,11 @@ void PMainWindow::initInfo() {
 }
 void PMainWindow::initDisp() {
     initT<ImageScrollView>( "Image ScrollView", &m_disp, ImageDisplay );
+    if (m_disp) {
+        m_disp->setAutoScale(autoScale);
+        m_disp->setAutoRotate(autoRotate);
+    }
+
 }
 
 /**
@@ -198,8 +236,9 @@ void PMainWindow::slotShowInfo( const QString& inf ) {
 }
 
 void PMainWindow::slotDisplay( const QString& inf ) {
-    if ( !m_disp )
+    if ( !m_disp ) {
         initDisp();
+    }
     m_disp->setImage( inf );
     m_stack->raiseWidget( ImageDisplay );
 }
diff --git a/noncore/graphics/opie-eye/gui/mainwindow.h b/noncore/graphics/opie-eye/gui/mainwindow.h
index 35116ae..6debf7f 100644
--- a/noncore/graphics/opie-eye/gui/mainwindow.h
+++ b/noncore/graphics/opie-eye/gui/mainwindow.h
@@ -37,6 +37,8 @@ public slots:
     void slotShowInfo( const QString& inf );
     void slotDisplay( const QString& inf );
     void slotReturn();
+    void slotRotateToggled(bool);
+    void slotScaleToggled(bool);
 
 protected:
     void raiseIconView();
@@ -53,6 +55,9 @@ private:
     PIconView* m_view;
     imageinfo *m_info;
     ImageScrollView *m_disp;
+    bool autoRotate;
+    bool autoScale;
+    QToolButton*rotateButton;
 
 
 private slots:
--
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