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path: root/noncore/graphics/opie-eye/gui/imagescrollview.cpp
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Diffstat (limited to 'noncore/graphics/opie-eye/gui/imagescrollview.cpp') (more/less context) (show whitespace changes)
-rw-r--r--noncore/graphics/opie-eye/gui/imagescrollview.cpp56
1 files changed, 46 insertions, 10 deletions
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
@@ -29,28 +29,58 @@ ImageScrollView::ImageScrollView (const QString&img, QWidget * parent, const cha
}
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()
{
}
@@ -178,41 +208,47 @@ 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()) {
if (rotate_to_fit) r = Rotate90;
}
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 {
rotate_into_data(r);
}
}
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 {
rotate_into_data(r);
}
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;
}
void ImageScrollView::drawContents(QPainter * p, int clipx, int clipy, int clipw, int cliph)
{
int w = clipw;