summaryrefslogtreecommitdiff
path: root/noncore/graphics/opie-eye/gui
authoralwin <alwin>2004-04-14 20:51:30 (UTC)
committer alwin <alwin>2004-04-14 20:51:30 (UTC)
commitdb181c9145bd55b5e153a0ebdfcc17127c0ca179 (patch) (side-by-side diff)
treef3e7e311db4e6e4147caa61daabf03905865db27 /noncore/graphics/opie-eye/gui
parentfe6808b41795d1b6000932bf84d74dbd24c4ed95 (diff)
downloadopie-db181c9145bd55b5e153a0ebdfcc17127c0ca179.zip
opie-db181c9145bd55b5e153a0ebdfcc17127c0ca179.tar.gz
opie-db181c9145bd55b5e153a0ebdfcc17127c0ca179.tar.bz2
move base image widgets to lib for usage in other applications
Diffstat (limited to 'noncore/graphics/opie-eye/gui') (more/less context) (ignore whitespace changes)
-rw-r--r--noncore/graphics/opie-eye/gui/imagescrollview.cpp586
-rw-r--r--noncore/graphics/opie-eye/gui/imagescrollview.h95
-rw-r--r--noncore/graphics/opie-eye/gui/imageview.h3
3 files changed, 1 insertions, 683 deletions
diff --git a/noncore/graphics/opie-eye/gui/imagescrollview.cpp b/noncore/graphics/opie-eye/gui/imagescrollview.cpp
deleted file mode 100644
index 3bb07a7..0000000
--- a/noncore/graphics/opie-eye/gui/imagescrollview.cpp
+++ b/dev/null
@@ -1,586 +0,0 @@
-#include "imagescrollview.h"
-
-#include "lib/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 );
- 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 )
- {
- case Rotate90:
- dest.create(_original_data.height(), _original_data.width(), _original_data.depth());
- dest.setNumColors(_original_data.numColors());
- srcTable = (unsigned int *)_original_data.colorTable();
- destTable = (unsigned int *)dest.colorTable();
- for ( x=0; x < _original_data.numColors(); ++x )
- destTable[x] = srcTable[x];
- for ( y=0; y < _original_data.height(); ++y )
- {
- srcData = (unsigned char *)_original_data.scanLine(y);
- for ( x=0; x < _original_data.width(); ++x )
- {
- destData = (unsigned char *)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());
- dest.setNumColors(_original_data.numColors());
- srcTable = (unsigned int *)_original_data.colorTable();
- destTable = (unsigned int *)dest.colorTable();
- for ( x=0; x < _original_data.numColors(); ++x )
- destTable[x] = srcTable[x];
- for ( y=0; y < _original_data.height(); ++y )
- {
- srcData = (unsigned char *)_original_data.scanLine(y);
- destData = (unsigned char *)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());
- dest.setNumColors(_original_data.numColors());
- srcTable = (unsigned int *)_original_data.colorTable();
- destTable = (unsigned int *)dest.colorTable();
- for ( x=0; x < _original_data.numColors(); ++x )
- destTable[x] = srcTable[x];
- for ( y=0; y < _original_data.height(); ++y )
- {
- srcData = (unsigned char *)_original_data.scanLine(y);
- for ( x=0; x < _original_data.width(); ++x )
- {
- destData = (unsigned char *)dest.scanLine(_original_data.width()-x-1);
- destData[y] = srcData[x];
- }
- }
- break;
- default:
- dest = _original_data;
- break;
- }
-
- }
- _image_data = dest;
-}
-
-void OImageScrollView::generateImage()
-{
- Rotation r = Rotate0;
- if (_original_data.isNull()) return;
- {
- QCopEnvelope( "QPE/System", "busy()" );
- }
- if (width()>height()&&_original_data.width()<_original_data.height() ||
- width()<height()&&_original_data.width()>_original_data.height()) {
- if (AutoRotate()) r = Rotate90;
- }
-
- odebug << " r = " << r << oendl;
- if (AutoScale()) {
- 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(_image_data.width(),_image_data.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;
- resizeContents(_image_data.width(),_image_data.height());
- }
- _pdata.convertFromImage(_image_data);
-
-
- /*
- * update the zoomer
- */
- check_zoomer();
- emit imageSizeChanged( _image_data.size() );
- rescaleImage( 128, 128 );
- /*
- * 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();
- {
- QCopEnvelope env( "QPE/System", "notBusy(QString)" );
- env << "Image generated";
- }
-}
-
-void OImageScrollView::resizeEvent(QResizeEvent * e)
-{
- odebug << "OImageScrollView resizeEvent" << oendl;
- QScrollView::resizeEvent(e);
- 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)
-{
- int w = clipw;
- int h = cliph;
- int x = clipx;
- int y = clipy;
- bool erase = false;
-
- if (!_pdata.size().isValid()) {
- p->fillRect(clipx,clipy,clipw,cliph,white);
- return;
- }
- if (w>_pdata.width()) {
- w=_pdata.width();
- x = 0;
- erase = true;
- } else if (x+w>_pdata.width()){
- x = _pdata.width()-w;
- }
- if (h>_pdata.height()) {
- h=_pdata.height();
- y = 0;
- erase = true;
- } else if (y+h>_pdata.height()){
- y = _pdata.height()-h;
- }
- if (erase||_original_data.hasAlphaBuffer()) {
- p->fillRect(clipx,clipy,clipw,cliph,white);
- }
- 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)
-{
- odebug << "Move X and Y " << e->x() << " " << e->y() << oendl;
- int mx, my;
- mx = e->x();
- my = e->y();
- if (_mouseStartPosX!=-1 && _mouseStartPosY!=-1) {
- int diffx = _mouseStartPosX-mx;
- int diffy = _mouseStartPosY-my;
-#if 0
- QScrollBar*xbar = horizontalScrollBar();
- QScrollBar*ybar = verticalScrollBar();
- if (xbar->value()+diffx>xbar->maxValue()) {
- diffx = xbar->maxValue()-xbar->value();
- } else if (xbar->value()+diffx<0) {
- diffx=0-xbar->value();
- }
- if (ybar->value()+diffy>ybar->maxValue()) {
- diffy = ybar->maxValue()-ybar->value();
- } else if (ybar->value()+diffy<0) {
- diffy=0-ybar->value();
- }
-#endif
- scrollBy(diffx,diffy);
- }
- _mouseStartPosX=mx;
- _mouseStartPosY=my;
-}
-
-void OImageScrollView::contentsMousePressEvent ( QMouseEvent * e)
-{
- odebug << " X and Y " << e->x() << " " << e->y() << oendl;
- /* this marks the beginning of a possible mouse move. Due internal reasons of QT
- the geometry values here may real differ from that set in MoveEvent (I don't know
- why). For getting them in real context, we use the first move-event to set the start
- position ;)
- */
- _mouseStartPosX = -1;
- _mouseStartPosY = -1;
-}
-
-void OImageScrollView::setDestructiveClose() {
- WFlags fl = getWFlags();
- /* clear it just in case */
- fl &= ~WDestructiveClose;
- fl |= WDestructiveClose;
- setWFlags( fl );
-}
-
-bool OImageScrollView::image_fit_into(const QSize&s )
-{
- if (s.width()>width()||s.height()>height()) {
- return false;
- }
- return true;
-}
-
-void OImageScrollView::setShowZoomer(bool how)
-{
- m_states.setBit(SHOW_ZOOMER,how);
- check_zoomer();
-}
-
-bool OImageScrollView::ShowZoomer()const
-{
- return m_states.testBit(SHOW_ZOOMER);
-}
-
-void OImageScrollView::check_zoomer()
-{
- if (!_zoomer) return;
- if ( (!ShowZoomer()||image_fit_into(_pdata.size()) ) && _zoomer->isVisible()) {
- _zoomer->hide();
- } else if ( ShowZoomer() && !image_fit_into(_pdata.size()) && _zoomer->isHidden()){
- _zoomer->show();
- }
-}
-
-bool OImageScrollView::FirstResizeDone()const
-{
- return m_states.testBit(FIRST_RESIZE_DONE);
-}
-
-void OImageScrollView::setFirstResizeDone(bool how)
-{
- m_states.setBit(FIRST_RESIZE_DONE,how);
-}
-
-bool OImageScrollView::ImageIsJpeg()const
-{
- return m_states.testBit(IMAGE_IS_JPEG);
-}
-
-void OImageScrollView::setImageIsJpeg(bool how)
-{
- m_states.setBit(IMAGE_IS_JPEG,how);
-}
-
-bool OImageScrollView::ImageScaledLoaded()const
-{
- return m_states.testBit(IMAGE_SCALED_LOADED);
-}
-
-void OImageScrollView::setImageScaledLoaded(bool how)
-{
- m_states.setBit(IMAGE_SCALED_LOADED,how);
-}
-
-} // namespace MM
-} // namespace Opie
diff --git a/noncore/graphics/opie-eye/gui/imagescrollview.h b/noncore/graphics/opie-eye/gui/imagescrollview.h
deleted file mode 100644
index 3d2ea38..0000000
--- a/noncore/graphics/opie-eye/gui/imagescrollview.h
+++ b/dev/null
@@ -1,95 +0,0 @@
-#ifndef _IMAGE_SCROLL_VIEW_H
-#define _IMAGE_SCROLL_VIEW_H
-
-#include <qscrollview.h>
-#include <qimage.h>
-#include <qpixmap.h>
-#include <qstring.h>
-#include <qdialog.h>
-#include <qbitarray.h>
-
-
-class QPainter;
-
-namespace Opie { namespace MM {
-
- class OImageZoomer;
-
-class OImageScrollView:public QScrollView
-{
- Q_OBJECT
-public:
- enum Rotation {
- Rotate0,
- Rotate90,
- Rotate180,
- Rotate270
- };
-
- OImageScrollView( QWidget* parent, const char* name = 0, WFlags fl = 0 );
- OImageScrollView (const QImage&, QWidget * parent=0, const char * name=0, WFlags f=0,bool always_scale=false,bool rfit=false );
- OImageScrollView (const QString&, QWidget * parent=0, const char * name=0, WFlags f=0,bool always_scale=false,bool rfit=false );
- virtual ~OImageScrollView();
-
-
- virtual void setDestructiveClose();
-
- virtual void setAutoRotate(bool);
- virtual void setAutoScale(bool);
- virtual void setShowZoomer(bool);
-
- virtual bool AutoRotate()const;
- virtual bool AutoScale()const;
- virtual bool ShowZoomer()const;
-
-public slots:
- virtual void setImage(const QImage&);
- virtual void setImage( const QString& path );
-
-
-signals:
- void imageSizeChanged( const QSize& );
- void viewportSizeChanged( const QSize& );
-
-protected:
- virtual void drawContents ( QPainter * p, int clipx, int clipy, int clipw, int cliph );
- void init();
-
- Opie::MM::OImageZoomer *_zoomer;
- QImage _image_data;
- QImage _original_data;
- QPixmap _pdata;
-
- int _mouseStartPosX,_mouseStartPosY;
-
- QBitArray m_states;
-
- Rotation m_last_rot;
- QString m_lastName;
- virtual void rescaleImage(int w, int h);
-
- virtual void rotate_into_data(Rotation r);
- virtual void generateImage();
- virtual void loadJpeg(bool interncall = false);
- bool image_fit_into(const QSize&s);
- void check_zoomer();
-
- /* internal bitset manipulation */
- virtual bool ImageIsJpeg()const;
- virtual void setImageIsJpeg(bool how);
- virtual bool ImageScaledLoaded()const;
- virtual void setImageScaledLoaded(bool how);
- virtual bool FirstResizeDone()const;
- virtual void setFirstResizeDone(bool how);
-
-protected slots:
- virtual void viewportMouseMoveEvent(QMouseEvent* e);
- virtual void contentsMousePressEvent ( QMouseEvent * e);
- virtual void resizeEvent(QResizeEvent * e);
- virtual void keyPressEvent(QKeyEvent * e);
-};
-
-}
-}
-
-#endif
diff --git a/noncore/graphics/opie-eye/gui/imageview.h b/noncore/graphics/opie-eye/gui/imageview.h
index e4f899a..1790c4f 100644
--- a/noncore/graphics/opie-eye/gui/imageview.h
+++ b/noncore/graphics/opie-eye/gui/imageview.h
@@ -1,8 +1,7 @@
#ifndef _IMAGE_VIEW_H
#define _IMAGE_VIEW_H
-/* must be changed when it will moved to Opie::MM */
-#include "imagescrollview.h"
+#include <opie2/oimagescrollview.h>
namespace Opie {
namespace Core {