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authoralwin <alwin>2004-04-15 07:44:42 (UTC)
committer alwin <alwin>2004-04-15 07:44:42 (UTC)
commit41203805fb5e70df84cc2894dbd6e030c6355041 (patch) (side-by-side diff)
tree3bffe09aeff1a69d9912193c481a2effe990d5db
parent20175bc18b278426c80ff890853cbf54839f88be (diff)
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using other values when scaled loading of jpegs
Diffstat (more/less context) (ignore whitespace changes)
-rw-r--r--libopie2/opiemm/oimagescrollview.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/libopie2/opiemm/oimagescrollview.cpp b/libopie2/opiemm/oimagescrollview.cpp
index 0e86bd0..68b06af 100644
--- a/libopie2/opiemm/oimagescrollview.cpp
+++ b/libopie2/opiemm/oimagescrollview.cpp
@@ -1,291 +1,291 @@
#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>
#include <qpe/qcopenvelope_qws.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);
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);
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( 7 ) Scale( %1, %2, ScaleFree)" ).arg( wid ).arg( hei );
+ param = QString( "Fast Shrink( 3 ) Scale( %1, %2, ScaleFree)" ).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) {
{
QCopEnvelope( "QPE/System", "busy()" );
}
_original_data = iio.read() ? iio.image() : QImage();
{
QCopEnvelope env( "QPE/System", "notBusy(QString)" );
env << "Image loaded";
}
}
}
void OImageScrollView::setImage( const QString& path ) {
odebug << "load new image " << oendl;
if (m_lastName == path) return;
m_lastName = path;
QString itype = QImage::imageFormat(m_lastName);
odebug << "Image type = " << itype << oendl;
if (itype == "JPEG") {
setImageIsJpeg(true);
loadJpeg();
} else {
{
QCopEnvelope( "QPE/System", "busy()" );
}
setImageIsJpeg(false);
_original_data.load(path);
_original_data.convertDepth(QPixmap::defaultDepth());
_original_data.setAlphaBuffer(false);
{
QCopEnvelope env( "QPE/System", "notBusy(QString)" );
env << "Image loaded";
}
}
_image_data = QImage();
if (FirstResizeDone()) {
generateImage();
}
}
/* 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&)) );
viewport()->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::setAutoScale(bool how)
{
m_states.setBit(AUTO_SCALE,how);
if (!how) {
setAutoRotate(false);
}
_image_data = QImage();
if (ImageIsJpeg() && how == false && ImageScaledLoaded()==true) {
loadJpeg(true);
}
generateImage();
}
bool OImageScrollView::AutoScale()const
{
return m_states.testBit(AUTO_SCALE);
}
OImageScrollView::~OImageScrollView()
{
}
void OImageScrollView::rescaleImage(int w, int h)
{
if (_image_data.width()==w && _image_data.height()==h) {
return;
}
double hs = (double)h / (double)_image_data.height() ;
double ws = (double)w / (double)_image_data.width() ;
double scaleFactor = (hs > ws) ? ws : hs;
int smoothW = (int)(scaleFactor * _image_data.width());
int smoothH = (int)(scaleFactor * _image_data.height());
_image_data = _image_data.smoothScale(smoothW,smoothH);
}
void OImageScrollView::rotate_into_data(Rotation r)
{
/* realy - we must do this that way, 'cause when acting direct on _image_data the app will
segfault :( */
QImage dest;
int x, y;
if ( _original_data.depth() > 8 )
{
unsigned int *srcData, *destData;
switch ( r )
{
case Rotate90:
dest.create(_original_data.height(), _original_data.width(), _original_data.depth());
for ( y=0; y < _original_data.height(); ++y )
{
srcData = (unsigned int *)_original_data.scanLine(y);
for ( x=0; x < _original_data.width(); ++x )
{
destData = (unsigned int *)dest.scanLine(x);
destData[_original_data.height()-y-1] = srcData[x];
}
}
break;
case Rotate180:
dest.create(_original_data.width(), _original_data.height(), _original_data.depth());
for ( y=0; y < _original_data.height(); ++y )
{
srcData = (unsigned int *)_original_data.scanLine(y);
destData = (unsigned int *)dest.scanLine(_original_data.height()-y-1);
for ( x=0; x < _original_data.width(); ++x )
destData[_original_data.width()-x-1] = srcData[x];
}
break;
case Rotate270:
dest.create(_original_data.height(), _original_data.width(), _original_data.depth());
for ( y=0; y < _original_data.height(); ++y )
{
srcData = (unsigned int *)_original_data.scanLine(y);
for ( x=0; x < _original_data.width(); ++x )
{
destData = (unsigned int *)dest.scanLine(_original_data.width()-x-1);
destData[y] = srcData[x];
}
}
break;
default:
dest = _original_data;
break;
}
}
else
{
unsigned char *srcData, *destData;
unsigned int *srcTable, *destTable;
switch ( r )
{