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authoralwin <alwin>2004-04-23 13:23:42 (UTC)
committer alwin <alwin>2004-04-23 13:23:42 (UTC)
commit25f3f2fe15578fd4deb04a951e3e23927977e032 (patch) (side-by-side diff)
tree3768cf6f77f04c852caabb22e332f3e070709903
parentda6a98dbc555018a29bf140ed8e890015240b322 (diff)
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reduced the need of image calculations
Diffstat (more/less context) (ignore whitespace changes)
-rw-r--r--libopie2/opiemm/oimagescrollview.cpp9
1 files changed, 5 insertions, 4 deletions
diff --git a/libopie2/opiemm/oimagescrollview.cpp b/libopie2/opiemm/oimagescrollview.cpp
index 3f2699a..72248c1 100644
--- a/libopie2/opiemm/oimagescrollview.cpp
+++ b/libopie2/opiemm/oimagescrollview.cpp
@@ -25,73 +25,73 @@ OImageScrollView::OImageScrollView( QWidget* parent, const char* name, WFlags f
m_states(SCROLLVIEW_BITSET_SIZE),m_lastName("")
{
_zoomer = 0;
m_states[AUTO_SCALE]=true;
m_states[AUTO_ROTATE]=true;
m_states[FIRST_RESIZE_DONE]=false;
m_states[IMAGE_IS_JPEG]=false;
m_states[IMAGE_SCALED_LOADED]=false;
m_states[SHOW_ZOOMER]=true;
init();
}
OImageScrollView::OImageScrollView (const QImage&img, QWidget * parent, const char * name, WFlags f,bool always_scale,bool rfit)
:QScrollView(parent,name,f|Qt::WRepaintNoErase),_image_data(),_original_data(img),
m_states(SCROLLVIEW_BITSET_SIZE),m_lastName("")
{
_zoomer = 0;
m_states[AUTO_SCALE]=always_scale;
m_states[AUTO_ROTATE]=rfit;
m_states[FIRST_RESIZE_DONE]=false;
m_states[IMAGE_IS_JPEG]=false;
m_states[IMAGE_SCALED_LOADED]=false;
m_states[SHOW_ZOOMER]=true;
_original_data.convertDepth(QPixmap::defaultDepth());
- //_original_data.setAlphaBuffer(false);
+ _original_data.setAlphaBuffer(false);
init();
}
OImageScrollView::OImageScrollView (const QString&img, QWidget * parent, const char * name, WFlags f,bool always_scale,bool rfit)
:QScrollView(parent,name,f|Qt::WRepaintNoErase),_image_data(),_original_data(),m_states(SCROLLVIEW_BITSET_SIZE),m_lastName("")
{
_zoomer = 0;
m_states.resize(SCROLLVIEW_BITSET_SIZE);
m_states[AUTO_SCALE]=always_scale;
m_states[AUTO_ROTATE]=rfit;
m_states[FIRST_RESIZE_DONE]=false;
m_states[IMAGE_IS_JPEG]=false;
m_states[IMAGE_SCALED_LOADED]=false;
m_states[SHOW_ZOOMER]=true;
init();
setImage(img);
}
void OImageScrollView::setImage(const QImage&img)
{
_image_data = QImage();
_original_data=img;
_original_data.convertDepth(QPixmap::defaultDepth());
- //_original_data.setAlphaBuffer(false);
+ _original_data.setAlphaBuffer(false);
m_lastName = "";
setImageIsJpeg(false);
setImageScaledLoaded(false);
if (FirstResizeDone()) {
generateImage();
}
}
void OImageScrollView::loadJpeg(bool interncall)
{
if (m_lastName.isEmpty()) return;
QImageIO iio( m_lastName, 0l );
QString param;
bool real_load = false;
if (AutoScale()) {
if (!interncall) {
int wid, hei;
wid = QApplication::desktop()->width();
hei = QApplication::desktop()->height();
if (hei>wid) {
wid = hei;
} else {
hei = wid;
}
@@ -106,49 +106,49 @@ void OImageScrollView::loadJpeg(bool interncall)
odebug << "Load jpeg unscaled" << oendl;
real_load = true;
}
setImageScaledLoaded(false);
}
if (real_load) {
_original_data = iio.read() ? iio.image() : QImage();
}
}
void OImageScrollView::setImage( const QString& path ) {
odebug << "load new image " << oendl;
if (m_lastName == path) return;
m_lastName = path;
_original_data = QImage();
QString itype = QImage::imageFormat(m_lastName);
odebug << "Image type = " << itype << oendl;
if (itype == "JPEG") {
setImageIsJpeg(true);
loadJpeg();
} else {
setImageIsJpeg(false);
_original_data.load(path);
_original_data.convertDepth(QPixmap::defaultDepth());
- //_original_data.setAlphaBuffer(false);
+ _original_data.setAlphaBuffer(false);
}
_image_data = QImage();
if (FirstResizeDone()) {
generateImage();
if (isVisible()) viewport()->repaint(true);
}
}
/* should be called every time the QImage changed it content */
void OImageScrollView::init()
{
odebug << "init " << oendl;
/*
* create the zoomer
* and connect ther various signals
*/
_zoomer = new Opie::MM::OImageZoomer( this, "The Zoomer" );
connect(_zoomer, SIGNAL( zoomAreaRel(int,int)),
this, SLOT(scrollBy(int,int)) );
connect(_zoomer, SIGNAL( zoomArea(int,int)),
this, SLOT(center(int,int)) );
connect(this,SIGNAL(contentsMoving(int,int)),
_zoomer, (SLOT(setVisiblePoint(int,int))) );
@@ -380,50 +380,51 @@ void OImageScrollView::generateImage()
*/
check_zoomer();
emit imageSizeChanged( _image_data.size() );
rescaleImage( 128, 128 );
resizeContents(twidth,theight);
/*
* move scrollbar
*/
if (_zoomer) {
_zoomer->setGeometry( viewport()->width()-_image_data.width()/2, viewport()->height()-_image_data.height()/2,
_image_data.width()/2, _image_data.height()/2 );
_zoomer->setImage( _image_data );
}
/*
* invalidate
*/
_image_data=QImage();
if (isVisible()) {
updateContents(contentsX(),contentsY(),width(),height());
}
}
void OImageScrollView::resizeEvent(QResizeEvent * e)
{
- odebug << "OImageScrollView resizeEvent" << oendl;
+ odebug << "OImageScrollView resizeEvent (" << e->size() << " - " << e->oldSize() << oendl;
QScrollView::resizeEvent(e);
+ if (e->oldSize()==e->size()||!isUpdatesEnabled ()) return;
generateImage();
setFirstResizeDone(true);
emit viewportSizeChanged( viewport()->size() );
}
void OImageScrollView::keyPressEvent(QKeyEvent * e)
{
if (!e) return;
int dx = horizontalScrollBar()->lineStep();
int dy = verticalScrollBar()->lineStep();
if (e->key()==Qt::Key_Right) {
scrollBy(dx,0);
e->accept();
} else if (e->key()==Qt::Key_Left) {
scrollBy(0-dx,0);
e->accept();
} else if (e->key()==Qt::Key_Up) {
scrollBy(0,0-dy);
e->accept();
} else if (e->key()==Qt::Key_Down) {
scrollBy(0,dy);
e->accept();
} else {