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path: root/libopie2/opiemm/oimagescrollview.cpp
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-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
@@ -1,194 +1,194 @@
#include "oimagescrollview.h"
#include <opie2/oimagezoomer.h>
#include <opie2/odebug.h>
#include <opie2/oapplication.h>
#include <opie2/owait.h>
#include <qimage.h>
#include <qlayout.h>
/* for usage with the bitset */
#define AUTO_SCALE 0
#define AUTO_ROTATE 1
#define SHOW_ZOOMER 2
#define FIRST_RESIZE_DONE 3
#define IMAGE_IS_JPEG 4
#define IMAGE_SCALED_LOADED 5
#define SCROLLVIEW_BITSET_SIZE 6
namespace Opie {
namespace MM {
OImageScrollView::OImageScrollView( QWidget* parent, const char* name, WFlags f )
:QScrollView(parent,name,f|Qt::WRepaintNoErase ),_image_data(),_original_data(),
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;
}
param = QString( "Fast Shrink( 3 ) Scale( %1, %2, ScaleMin)" ).arg( wid ).arg( hei );
odebug << "Load jpeg scaled \"" << param << "\"" << oendl;
iio.setParameters(param.latin1());
setImageScaledLoaded(true);
real_load = true;
}
} else {
if (ImageScaledLoaded()||!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))) );
connect(this,SIGNAL(imageSizeChanged(const QSize&)),
_zoomer, SLOT(setImageSize(const QSize&)) );
connect(this,SIGNAL(viewportSizeChanged(const QSize&)),
_zoomer, SLOT(setViewPortSize(const QSize&)) );
setBackgroundColor(white);
setFocusPolicy(QWidget::StrongFocus);
setImageScaledLoaded(false);
setImageIsJpeg(false);
if (FirstResizeDone()) {
m_last_rot = Rotate0;
generateImage();
} else if (_original_data.size().isValid()) {
if (image_fit_into(_original_data.size()) || !ShowZoomer()) _zoomer->hide();
resizeContents(_original_data.width(),_original_data.height());
}
}
void OImageScrollView::setAutoRotate(bool how)
{
/* to avoid double repaints */
if (AutoRotate() != how) {
m_states.setBit(AUTO_ROTATE,how);
_image_data = QImage();
generateImage();
}
}
bool OImageScrollView::AutoRotate()const
{
return m_states.testBit(AUTO_ROTATE);
}
void OImageScrollView::setAutoScaleRotate(bool scale, bool rotate)
{
m_states.setBit(AUTO_ROTATE,rotate);
setAutoScale(scale);
}
void OImageScrollView::setAutoScale(bool how)
@@ -340,130 +340,131 @@ void OImageScrollView::rotate_into_data(Rotation r)
void OImageScrollView::generateImage()
{
Rotation r = Rotate0;
_pdata = QPixmap();
if (_original_data.isNull()) {
emit imageSizeChanged( _image_data.size() );
if (_zoomer) _zoomer->setImage( _image_data );
return;
}
if (width()>height()&&_original_data.width()<_original_data.height() ||
width()<height()&&_original_data.width()>_original_data.height()) {
if (AutoRotate()) r = Rotate90;
}
int twidth,theight;
odebug << " r = " << r << oendl;
if (AutoScale() && (_original_data.width()>width() || _original_data.height() > height()) ) {
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());
} else if (!FirstResizeDone()||r!=m_last_rot||_image_data.width()==0) {
if (r==Rotate0) {
_image_data = _original_data;
} else {
rotate_into_data(r);
}
m_last_rot = r;
}
_pdata.convertFromImage(_image_data);
twidth = _image_data.width();
theight = _image_data.height();
/*
* update the zoomer
*/
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 {
e->ignore();
}
QScrollView::keyPressEvent(e);
}
void OImageScrollView::drawContents(QPainter * p, int clipx, int clipy, int clipw, int cliph)
{
if (!_pdata.size().isValid()) {
p->fillRect(clipx,clipy,clipw,cliph, backgroundColor());
return;
}
int w = clipw;
int h = cliph;
int x = clipx;
int y = clipy;
bool erase = false;
if (w>_pdata.width()) {
w = _pdata.width()-x;
erase=true;
}
if (h>_pdata.height()) {
h = _pdata.height()-y;
erase=true;
}
if (!erase && (clipy+cliph>_pdata.height()||clipx+clipw>_pdata.width())) {
erase = true;
}
if (erase||_original_data.hasAlphaBuffer()) {
p->fillRect(clipx,clipy,clipw,cliph, backgroundColor());
}
if (w>0 && h>0&&x<_pdata.width()&&y<_pdata.height()) {
odebug << "Drawing pixmap" << oendl;
p->drawPixmap(clipx,clipy,_pdata,x,y,w,h);
}
}
/* using the real geometry points and not the translated points is wanted! */
void OImageScrollView::viewportMouseMoveEvent(QMouseEvent* e)