* scribo/demo/viewer/Makefile.am * demo/viewer/image_region.cc, * viewer/image_region.hh, * viewer/image_region.hxx: Change regions depths to have a hierarchy. * demo/viewer/image_scene.cc, * demo/viewer/image_scene.hh: Change mouse click behaviour. * demo/viewer/key_widget.cc, * demo/viewer/key_widget.hh: Add new items (text line and paragraph) * demo/viewer/viewer.cc, * demo/viewer/viewer.hh: Chnage XML parsing to support extended format. * scribo/demo/viewer/common.hh: Add new RegionId's. --- scribo/ChangeLog | 23 +++- scribo/demo/viewer/Makefile.am | 9 +- scribo/demo/viewer/common.hh | 26 ++-- scribo/demo/viewer/image_region.cc | 23 ++- scribo/demo/viewer/image_region.hh | 2 + scribo/demo/viewer/image_region.hxx | 15 +- scribo/demo/viewer/image_scene.cc | 72 +++++--- scribo/demo/viewer/image_scene.hh | 2 + scribo/demo/viewer/key_widget.cc | 29 +++- scribo/demo/viewer/key_widget.hh | 3 +- scribo/demo/viewer/viewer.cc | 346 +++++++++++++++++++++++++++-------- scribo/demo/viewer/viewer.hh | 10 +- 12 files changed, 434 insertions(+), 126 deletions(-) diff --git a/scribo/ChangeLog b/scribo/ChangeLog index 9b8392e..6cab6a1 100644 --- a/scribo/ChangeLog +++ b/scribo/ChangeLog @@ -1,9 +1,30 @@ 2010-06-30 Arthur Crepin-Leblond <crepin@stockholm.lrde.epita.fr> + Extended XML mode support. + + * scribo/demo/viewer/Makefile.am + + * demo/viewer/image_region.cc, + * viewer/image_region.hh, + * viewer/image_region.hxx: Change regions depths to have a hierarchy. + + * demo/viewer/image_scene.cc, + * demo/viewer/image_scene.hh: Change mouse click behaviour. + + * demo/viewer/key_widget.cc, + * demo/viewer/key_widget.hh: Add new items (text line and paragraph) + + * demo/viewer/viewer.cc, + * demo/viewer/viewer.hh: Chnage XML parsing to support extended format. + + * scribo/demo/viewer/common.hh: Add new RegionId's. + +2010-06-30 Arthur Crepin-Leblond <crepin@stockholm.lrde.epita.fr> + New features in Qt interface. * demo/viewer/browser_widget.hh: Improve picture browser. - * demo/viewer/step_widget.cc Add a "step chooser" to load several XML files related to one picture. + * demo/viewer/step_widget.cc: Add a "step chooser" to load several XML files related to one picture. 2010-06-30 Arthur Crepin-Leblond <crepin@stockholm.lrde.epita.fr> diff --git a/scribo/demo/viewer/Makefile.am b/scribo/demo/viewer/Makefile.am index 0a6213a..a0112c6 100644 --- a/scribo/demo/viewer/Makefile.am +++ b/scribo/demo/viewer/Makefile.am @@ -28,7 +28,8 @@ viewer_SOURCES = $(BUILT_SOURCES) \ dommodel.cc \ domitem.cc \ image_region.cc \ - help_dialog.cc + help_dialog.cc \ + step_widget.cc viewer_CPPFLAGS = $(QT_CPPFLAGS) $(AM_CPPFLAGS) -I$(srcdir) viewer_CXXFLAGS = $(QT_CXXFLAGS) $(AM_CXXFLAGS) -O3 @@ -46,7 +47,8 @@ BUILT_SOURCES = viewer.moc.cc \ dommodel.moc.cc \ domitem.moc.cc \ image_region.moc.cc \ - help_dialog.moc.cc + help_dialog.moc.cc \ + step_widget.moc.cc include_HEADERS = viewer.hh \ viewer.hxx \ @@ -62,6 +64,7 @@ include_HEADERS = viewer.hh \ image_region.hh \ image_region.hxx \ common.hh \ - help_dialog.hh + help_dialog.hh \ + step_widget.hh EXTRA_DIST = README diff --git a/scribo/demo/viewer/common.hh b/scribo/demo/viewer/common.hh index ba4f3b1..346ea51 100644 --- a/scribo/demo/viewer/common.hh +++ b/scribo/demo/viewer/common.hh @@ -20,17 +20,19 @@ namespace region typedef QVector<QPair<QString, QColor> > KeyMap; enum RegionId - { - Text = 0, - Image, - Noise, - Separator, - Table, - LineDrawing, - Graphic, - Chart, - Maths - }; -}; + { + Text = 0, + Paragraph, + Line, + Image, + Noise, + Separator, + Table, + LineDrawing, + Graphic, + Chart, + Maths + }; +} #endif /* !COMMON_HH_ */ diff --git a/scribo/demo/viewer/image_region.cc b/scribo/demo/viewer/image_region.cc index f2e9970..04e3c9b 100644 --- a/scribo/demo/viewer/image_region.cc +++ b/scribo/demo/viewer/image_region.cc @@ -35,10 +35,15 @@ ImageRegion::ImageRegion(region::RegionId id, fill_(fill), draw_(draw), selected_(false), - alpha_(30) + alpha_(50) { setCursor(Qt::ArrowCursor); - setZValue(1); + if (id_ == region::Paragraph) + setZValue(2); + else if (id_ == region::Line) + setZValue(3); + else + setZValue(1); if (points.size() == 0) return; @@ -57,6 +62,11 @@ ImageRegion::~ImageRegion() { } +region::RegionId ImageRegion::id() +{ + return id_; +} + void ImageRegion::paint(QPainter* painter, const QStyleOptionGraphicsItem*, @@ -103,7 +113,7 @@ ImageRegion::select() if (!selected_) { selected_ = true; - setZValue(2); + setZValue(4); prepareGeometryChange(); scene()->invalidate(); update(); @@ -116,7 +126,12 @@ ImageRegion::deselect() if (selected_) { selected_ = false; - setZValue(1); + if (id_ == region::Paragraph) + setZValue(2); + else if (id_ == region::Line) + setZValue(3); + else + setZValue(1); prepareGeometryChange(); scene()->invalidate(); update(); diff --git a/scribo/demo/viewer/image_region.hh b/scribo/demo/viewer/image_region.hh index 7f65c02..38aecb4 100644 --- a/scribo/demo/viewer/image_region.hh +++ b/scribo/demo/viewer/image_region.hh @@ -36,6 +36,7 @@ public: ~ImageRegion(); + region::RegionId id(); void paint(QPainter* painter, const QStyleOptionGraphicsItem* option, QWidget* widget = 0); @@ -43,6 +44,7 @@ public: const QModelIndex& index() const; QRectF boundingRect() const; QPainterPath shape() const; + QString name() { return name_; } public slots: void setOutline(bool outline); diff --git a/scribo/demo/viewer/image_region.hxx b/scribo/demo/viewer/image_region.hxx index de8ec11..50dc93d 100644 --- a/scribo/demo/viewer/image_region.hxx +++ b/scribo/demo/viewer/image_region.hxx @@ -56,9 +56,14 @@ void ImageRegion::setDrawIfSameId(int id, bool draw) { if (id == id_) - draw_ = draw; - scene()->invalidate(); - update(); + { + draw_ = draw; + if (scene()) + { + scene()->invalidate(); + update(); + } + } } inline @@ -73,8 +78,8 @@ inline QRectF ImageRegion::boundingRect() const { - if (selected_) - return mapFromScene(scene()->sceneRect()).boundingRect(); +// if (selected_) +// return mapFromScene(scene()->sceneRect()).boundingRect(); return rect_; } diff --git a/scribo/demo/viewer/image_scene.cc b/scribo/demo/viewer/image_scene.cc index 14eac76..bbc75c3 100644 --- a/scribo/demo/viewer/image_scene.cc +++ b/scribo/demo/viewer/image_scene.cc @@ -31,30 +31,58 @@ void ImageScene::mousePressEvent(QGraphicsSceneMouseEvent* event) { QGraphicsScene::mousePressEvent(event); - ImageRegion* item = dynamic_cast<ImageRegion*>(itemAt(event->pos())); - if (item) - { - if (item != selected_) - { - if (selected_) - { - selected_->deselect(); - emit deselected(selected_->index()); - } - selected_ = item; - item->select(); - emit selected(item->index()); - } - } - else - { - if (selected_) + QList<QGraphicsItem *> items_list = items(event->pos()); // includes both ImageRegions and the picture. + + // Selection is under the mouse click (at event->pos()). + bool selection_is_clicked = items_list.contains(selected_); + + foreach(QGraphicsItem* elt, items_list) { - selected_->deselect(); - emit deselected(selected_->index()); - selected_ = 0; + ImageRegion* item = dynamic_cast<ImageRegion*>(elt); + if (item) + { + if (item != selected_) + { + if (selected_) + { + if ( (item->boundingRect().intersects(selected_->boundingRect()))) + { + int item_area = item->boundingRect().size().height() * item->boundingRect().size().width(); + int selected_area = selected_->boundingRect().size().height() * selected_->boundingRect().size().width(); + + if (selected_area < item_area && selection_is_clicked) + return; + else + { + selected_->deselect(); + emit deselected(selected_->index()); + selected_ = 0; + } + } + else + { + selected_->deselect(); + emit deselected(selected_->index()); + selected_ = 0; + } + } + selected_ = item; + item->select(); + emit selected(item->index()); + return; + } + } + else + { + if ( (selected_) + && (items_list.size() == 1) )// no ImageRegion, only the picture + { + selected_->deselect(); + emit deselected(selected_->index()); + selected_ = 0; + } + } } - } } ImageScene::~ImageScene() diff --git a/scribo/demo/viewer/image_scene.hh b/scribo/demo/viewer/image_scene.hh index eb95462..64ab590 100644 --- a/scribo/demo/viewer/image_scene.hh +++ b/scribo/demo/viewer/image_scene.hh @@ -1,3 +1,4 @@ + // // Document layout viewer. // @@ -37,6 +38,7 @@ signals: private: ImageRegion* selected_; + QVector<ImageRegion*> region_vector_; }; #endif /* !IMAGE_SCENE_HH_ */ diff --git a/scribo/demo/viewer/key_widget.cc b/scribo/demo/viewer/key_widget.cc index af817b3..93c2cf0 100644 --- a/scribo/demo/viewer/key_widget.cc +++ b/scribo/demo/viewer/key_widget.cc @@ -26,7 +26,9 @@ KeyWidget::KeyWidget(const region::KeyMap& key_map) layout->addWidget(items_); for (int i = 0; i < key_map.size(); ++i) - add_item_(key_map[i].first, key_map[i].second); + add_item_(key_map[i].first, key_map[i].second, + (i == region::Paragraph) || + (i == region::Line) ); setLayout(layout); @@ -34,8 +36,29 @@ KeyWidget::KeyWidget(const region::KeyMap& key_map) this, SLOT(update(QListWidgetItem*))); } +void +KeyWidget::change_mode(bool b) +{ + int id_region = region::Paragraph; + int id_line = region::Line; + if (b) + { + items_->item(id_region)->setCheckState(Qt::Checked); + items_->item(id_region)->setHidden(false); + items_->item(id_line)->setCheckState(Qt::Checked); + items_->item(id_line)->setHidden(false); + } + else + { + items_->item(id_region)->setCheckState(Qt::Unchecked); + items_->item(id_region)->setHidden(true); + items_->item(id_line)->setCheckState(Qt::Unchecked); + items_->item(id_line)->setHidden(true); + } +} + void -KeyWidget::add_item_(QString text, QColor color) +KeyWidget::add_item_(QString text, QColor color, bool b) { QListWidgetItem* item = new QListWidgetItem(text); QPixmap pixmap(10, 6); @@ -44,6 +67,8 @@ KeyWidget::add_item_(QString text, QColor color) item->setFlags(Qt::ItemIsUserCheckable | Qt::ItemIsEnabled); item->setCheckState(Qt::Checked); items_->addItem(item); + int id = items_->row(item); + items_->item(id)->setHidden(b); } bool diff --git a/scribo/demo/viewer/key_widget.hh b/scribo/demo/viewer/key_widget.hh index 2f8a8c6..e5259e2 100644 --- a/scribo/demo/viewer/key_widget.hh +++ b/scribo/demo/viewer/key_widget.hh @@ -34,9 +34,10 @@ signals: private slots: void update(QListWidgetItem* slot); + void change_mode(bool b); private: - void add_item_(QString text, QColor color); + void add_item_(QString text, QColor color, bool b); QListWidget* items_; }; diff --git a/scribo/demo/viewer/viewer.cc b/scribo/demo/viewer/viewer.cc index 622a805..8bafc39 100644 --- a/scribo/demo/viewer/viewer.cc +++ b/scribo/demo/viewer/viewer.cc @@ -18,6 +18,7 @@ #include "browser_widget.hh" #include "image_widget.hh" #include "xml_widget.hh" +#include "step_widget.hh" #include "image_scene.hh" #include "image_region.hh" #include "help_dialog.hh" @@ -33,12 +34,16 @@ Viewer::Viewer(int &argc, char** argv) scene_(new ImageScene()), files_(new QDirModel()), doc_layout_(0), - key_map_(9), - no_cache_(false) + key_map_(11), + no_cache_(false), + extended_mode_(false), + xml_file_(QString("")) { // Key map - key_map_[region::Text] = qMakePair(tr("Text"), QColor(0, 200, 0)); + key_map_[region::Text] = qMakePair(tr("Text Region"), QColor(0, 200, 0)); + key_map_[region::Paragraph] = qMakePair(tr("Paragraph"), QColor(0, 0, 255)); + key_map_[region::Line] = qMakePair(tr("Text line"), QColor(255, 0, 0)); key_map_[region::Image] = qMakePair(tr("Image"), QColor(255, 120, 0)); key_map_[region::Noise] = qMakePair(tr("Noise"), QColor(43, 39, 128)); key_map_[region::Separator] = qMakePair(tr("Separator"), QColor(0, 0, 255)); @@ -52,6 +57,8 @@ Viewer::Viewer(int &argc, char** argv) // Region ids region_ids_["text_region"] = region::Text; + region_ids_["paragraph"] = region::Paragraph; + region_ids_["line"] = region::Line; region_ids_["image_region"] = region::Image; region_ids_["noise_region"] = region::Noise; region_ids_["separator_region"] = region::Separator; @@ -96,6 +103,7 @@ Viewer::Viewer(int &argc, char** argv) connect(fill_action_, SIGNAL(toggled(bool)), this, SIGNAL(setFill(bool))); option_menu->addAction(fill_action_); + QAction* cache_action = new QAction(tr("Disable cache"), file_menu); cache_action->setStatusTip(tr("Disable the image cache (useful for" " large images).")); @@ -105,6 +113,15 @@ Viewer::Viewer(int &argc, char** argv) this, SLOT(useCache(bool))); option_menu->addAction(cache_action); + QAction* extended_action = new QAction(tr("Extended mode"), file_menu); + extended_action->setStatusTip(tr("If enabled, some features not supported by ICDAR" + " are added such as text regions or text lines")); + extended_action->setCheckable(true); + extended_action->setChecked(false); + connect(extended_action, SIGNAL(toggled(bool)), + this, SLOT(useExtended(bool))); + option_menu->addAction(extended_action); + QMenu* help_menu = win_->menuBar()->addMenu(tr("Help")); QAction* about_action = new QAction(tr("About"), help_menu); about_action->setStatusTip(tr("About this program.")); @@ -116,6 +133,7 @@ Viewer::Viewer(int &argc, char** argv) QSplitter* v_splitter = new QSplitter(Qt::Vertical); QSplitter* v_splitter2 = new QSplitter(Qt::Vertical); + StepWidget* step_widget = new StepWidget(); PropertyWidget* property_wgt = new PropertyWidget(); XmlWidget* xml_wgt = new XmlWidget(); BrowserWidget* browser_wgt = @@ -126,6 +144,7 @@ Viewer::Viewer(int &argc, char** argv) scene_->setBackgroundBrush(scene_->palette().window()); v_splitter->addWidget(property_wgt); + v_splitter->addWidget(step_widget); v_splitter->addWidget(key_wgt_); v_splitter->addWidget(browser_wgt); @@ -138,7 +157,7 @@ Viewer::Viewer(int &argc, char** argv) win_->setCentralWidget(h_splitter); QList<int> v_sizes; - v_sizes << 300 << 200 << 500; + v_sizes << 300 << 200 << 200 << 300; v_splitter->setSizes(v_sizes); QList<int> v_sizes2; @@ -150,15 +169,25 @@ Viewer::Viewer(int &argc, char** argv) h_splitter->setSizes(h_sizes); connect(browser_wgt, SIGNAL(activated(QString)), + step_widget, SLOT(fill_steps(QString))); + + connect(step_widget, SIGNAL(load_image(QString)), this, SLOT(load(QString))); + connect(step_widget, SIGNAL(load_xml(QString)), + this, SLOT(load_xml(QString))); + connect(this, SIGNAL(updated(DomModel*)), property_wgt, SLOT(update(DomModel*))); + connect(this, SIGNAL(mode_changed(bool)), + key_wgt_, SLOT(change_mode(bool))); connect(this, SIGNAL(updated(DomModel*)), xml_wgt, SLOT(update(DomModel*))); connect(this, SIGNAL(updated(DomModel*)), image_wgt, SLOT(update())); + connect(key_wgt_, SIGNAL(updated(int, bool)), this, SIGNAL(key_updated(int, bool))); + connect(scene_, SIGNAL(selected(QModelIndex)), property_wgt, SLOT(select(QModelIndex))); connect(scene_, SIGNAL(deselected(QModelIndex)), @@ -167,36 +196,33 @@ Viewer::Viewer(int &argc, char** argv) xml_wgt, SLOT(select(QModelIndex))); connect(scene_, SIGNAL(deselected(QModelIndex)), xml_wgt, SLOT(deselect(QModelIndex))); + connect(image_wgt, SIGNAL(scaleUpdated(qreal)), this, SLOT(maybeChangeCacheMode(qreal))); } void -Viewer::load(QString filename) +Viewer::load_xml(QString filename) { + QString xml_file = filename; + xml_file_ = filename; + app_->setOverrideCursor(QCursor(Qt::WaitCursor)); - scene_->clear(); - image_ = 0; - // Load the image in a pixmap that is directly shown on screen. - // This is very slow when used with the normal rendering system. - // OpenGL might speed up things a bit. - image_ = new QGraphicsPixmapItem(QPixmap(filename)); - image_->setShapeMode(QGraphicsPixmapItem::BoundingRectShape); - image_->setZValue(0); + scene_->removeItem(image_); + scene_->clear(); scene_->addItem(image_); + + scene_->update(); if (doc_layout_) - { - doc_layout_->deleteLater(); - doc_layout_ = 0; - } - - // FIXME: Ugly - QString xml_file = filename; - xml_file.chop(4); - xml_file += ".xml"; - + { + doc_layout_->deleteLater(); + doc_layout_ = 0; + } + + emit updated(doc_layout_); + if (QFile::exists(xml_file)) { QFile file(xml_file); @@ -207,70 +233,223 @@ Viewer::load(QString filename) { doc_layout_ = new DomModel(document, this); } + else + { + app_->restoreOverrideCursor(); + QMessageBox msgBox; + msgBox.setText("Error while loading the XML file, please choose another."); + msgBox.exec(); + } file.close(); } } + xml_to_layout(); + + app_->restoreOverrideCursor(); +} + +void +Viewer::xml_to_layout() +{ // Add layout info to the scene. if (doc_layout_) - { - QModelIndex pgGts = doc_layout_->index(1, 0); - QModelIndex page = doc_layout_->index(1, 0, pgGts); - QModelIndex region; - QModelIndex attributes; - QModelIndex coords; - QModelIndex point; - for (int i = 0; true; ++i) { - region = doc_layout_->index(i, 0, page); - attributes = doc_layout_->index(i, 1, page); - QString name = doc_layout_->data(region, Qt::DisplayRole).toString(); - region::RegionId id = static_cast<region::RegionId>(region_ids_[name]); + QModelIndex pgGts = doc_layout_->index(1, 0); + QModelIndex page = doc_layout_->index(1, 0, pgGts); + QModelIndex region; + QModelIndex attributes; + QModelIndex coords; + QModelIndex point; + for (int i = 0; true; ++i) + { + region = doc_layout_->index(i, 0, page); + attributes = doc_layout_->index(i, 1, page); + QString name = doc_layout_->data(region, Qt::DisplayRole).toString(); + region::RegionId id = static_cast<region::RegionId>(region_ids_[name]); + + coords = doc_layout_->index(0, 0, region); + if (!region.isValid() || !coords.isValid()) + break; + + QVector<QPoint> points; + for (int j = 0; true; ++j) + { + // Navigate to the coordinate list + point = doc_layout_->index(j, 1, coords); + if (!point.isValid()) + break; + + QMap<QString, QVariant> data = + doc_layout_->data(point, Qt::UserRole).toMap(); + int x = data["x"].toInt(); + int y = data["y"].toInt(); + points << QPoint(x, y); + } + + // Create region + ImageRegion* r = new ImageRegion(id, + key_map_[id].first, + key_map_[id].second, + attributes, points, + outline_action_->isChecked(), + fill_action_->isChecked(), + precise_action_->isChecked(), + key_wgt_->isChecked(id)); + + connect(this, SIGNAL(key_updated(int, bool)), + r, SLOT(setDrawIfSameId(int, bool))); + connect(this, SIGNAL(setOutline(bool)), + r, SLOT(setOutline(bool))); + connect(this, SIGNAL(setPrecise(bool)), + r, SLOT(setPrecise(bool))); + connect(this, SIGNAL(setFill(bool)), + r, SLOT(setFill(bool))); + + scene_->addItem(r); + + // EXTENDED MODE + if (extended_mode_) + { + for (int k = 1; true; ++k) + { + QModelIndex paragraph = doc_layout_->index(k, 0, region); + QModelIndex attributes_par = doc_layout_->index(k, 1, region); + if (!paragraph.isValid()) + break; + + QString name_par = doc_layout_->data(paragraph, Qt::DisplayRole).toString(); + region::RegionId id_par = static_cast<region::RegionId>(region_ids_[name_par]); + + QDebug(&name_par) << name_par; + + QModelIndex par_coords = doc_layout_->index(0, 0, paragraph); + QModelIndex point_par; + QVector<QPoint> points_par; + for (int m = 0; true; ++m) + { + // Navigate to the coordinate list + point_par = doc_layout_->index(m, 1, par_coords); + if (!point_par.isValid()) + break; + + QMap<QString, QVariant> data_par = + doc_layout_->data(point_par, Qt::UserRole).toMap(); + int x = data_par["x"].toInt(); + int y = data_par["y"].toInt(); + points_par << QPoint(x, y); + } + + // Create region + ImageRegion* r_par = new ImageRegion(id_par, + key_map_[id_par].first, + key_map_[id_par].second, + attributes_par, points_par, + outline_action_->isChecked(), + fill_action_->isChecked(), + precise_action_->isChecked(), + key_wgt_->isChecked(id_par)); + + connect(this, SIGNAL(key_updated(int, bool)), + r_par, SLOT(setDrawIfSameId(int, bool))); + connect(this, SIGNAL(setOutline(bool)), + r_par, SLOT(setOutline(bool))); + connect(this, SIGNAL(setPrecise(bool)), + r_par, SLOT(setPrecise(bool))); + connect(this, SIGNAL(setFill(bool)), + r_par, SLOT(setFill(bool))); + + scene_->addItem(r_par); + + for (int l = 1; true; ++l) + { + QModelIndex line = doc_layout_->index(l, 0, paragraph); + QModelIndex attributes_line = doc_layout_->index(l, 1, paragraph); + if (!line.isValid()) + break; + + QString name_line = doc_layout_->data(line, Qt::DisplayRole).toString(); + region::RegionId id_line = static_cast<region::RegionId>(region_ids_[name_line]); + + QModelIndex line_coords = doc_layout_->index(0, 0, line); + QModelIndex point_line; + QVector<QPoint> points_line; + for (int n = 0; true; ++n) + { + // Navigate to the coordinate list + point_line = doc_layout_->index(n, 1, line_coords); + if (!point_line.isValid()) + break; + + QMap<QString, QVariant> data_line = + doc_layout_->data(point_line, Qt::UserRole).toMap(); + int x = data_line["x"].toInt(); + int y = data_line["y"].toInt(); + points_line << QPoint(x, y); + } + + // Create region + ImageRegion* r_line = new ImageRegion(id_line, + key_map_[id_line].first, + key_map_[id_line].second, + attributes_line, points_line, + outline_action_->isChecked(), + fill_action_->isChecked(), + precise_action_->isChecked(), + key_wgt_->isChecked(id_line)); + + connect(this, SIGNAL(key_updated(int, bool)), + r_line, SLOT(setDrawIfSameId(int, bool))); + connect(this, SIGNAL(setOutline(bool)), + r_line, SLOT(setOutline(bool))); + connect(this, SIGNAL(setPrecise(bool)), + r_line, SLOT(setPrecise(bool))); + connect(this, SIGNAL(setFill(bool)), + r_line, SLOT(setFill(bool))); + + scene_->addItem(r_line); + } + } + } + // END OF EXTENDED MODE + + } + + emit updated(doc_layout_); + } +} - coords = doc_layout_->index(0, 0, region); - if (!region.isValid() || !coords.isValid()) - break; +void +Viewer::load(QString filename) +{ + app_->setOverrideCursor(QCursor(Qt::WaitCursor)); + scene_->clear(); + scene_->update(); + image_ = 0; + xml_file_ = ""; - QVector<QPoint> points; - for (int j = 0; true; ++j) - { - // Navigate to the coordinate list - point = doc_layout_->index(j, 1, coords); - if (!point.isValid()) - break; - - QMap<QString, QVariant> data = - doc_layout_->data(point, Qt::UserRole).toMap(); - int x = data["x"].toInt(); - int y = data["y"].toInt(); - points << QPoint(x, y); - } + // Load the image in a pixmap that is directly shown on screen. + // This is very slow when used with the normal rendering system. + // OpenGL might speed up things a bit. + image_ = new QGraphicsPixmapItem(QPixmap(filename)); + image_->setShapeMode(QGraphicsPixmapItem::BoundingRectShape); + image_->setZValue(0); + scene_->addItem(image_); - // Create region - ImageRegion* r = new ImageRegion(id, - key_map_[id].first, - key_map_[id].second, - attributes, points, - outline_action_->isChecked(), - fill_action_->isChecked(), - precise_action_->isChecked(), - key_wgt_->isChecked(id)); - - connect(this, SIGNAL(key_updated(int, bool)), - r, SLOT(setDrawIfSameId(int, bool))); - connect(this, SIGNAL(setOutline(bool)), - r, SLOT(setOutline(bool))); - connect(this, SIGNAL(setPrecise(bool)), - r, SLOT(setPrecise(bool))); - connect(this, SIGNAL(setFill(bool)), - r, SLOT(setFill(bool))); - scene_->addItem(r); - } - } + if (no_cache_) + image_->setCacheMode(QGraphicsItem::NoCache); + else + image_->setCacheMode(QGraphicsItem::DeviceCoordinateCache); - emit updated(doc_layout_); + if (doc_layout_) + { + doc_layout_->deleteLater(); + doc_layout_ = 0; + } app_->restoreOverrideCursor(); + + emit updated(doc_layout_); } int @@ -299,10 +478,27 @@ Viewer::maybeChangeCacheMode(qreal scale) } } +void Viewer::useExtended(bool b) +{ + extended_mode_ = b; + if (xml_file_ != QString("")) + load_xml(xml_file_); + + emit mode_changed (b); +} + void Viewer::useCache(bool b) { no_cache_ = b; if (b) - image_->setCacheMode(QGraphicsItem::NoCache); + { + if (image_) + image_->setCacheMode(QGraphicsItem::NoCache); + } + else + if (image_) + image_->setCacheMode(QGraphicsItem::DeviceCoordinateCache); } + +// LocalWords: hh diff --git a/scribo/demo/viewer/viewer.hh b/scribo/demo/viewer/viewer.hh index d579847..d13ef91 100644 --- a/scribo/demo/viewer/viewer.hh +++ b/scribo/demo/viewer/viewer.hh @@ -21,6 +21,7 @@ class ImageScene; class DomModel; class KeyWidget; +class ImageRegion; class Viewer : public QObject @@ -39,21 +40,26 @@ public slots: // name is found. void load(QString filename); void help(); - + void load_xml(QString filename); void maybeChangeCacheMode(qreal scale); void useCache(bool b); + void useExtended(bool b); signals: void updated(DomModel* model); + void loaded(DomModel* model); void key_updated(int key, bool checked); void setOutline(bool b); void setPrecise(bool b); void setFill(bool b); + void mode_changed(bool b); private: Viewer(int &argc, char** argv); Viewer(); + void xml_to_layout(); + QApplication* app_; QMainWindow* win_; @@ -73,6 +79,8 @@ private: region::KeyMap key_map_; bool no_cache_; + bool extended_mode_; + QString xml_file_; }; #include "viewer.hxx" -- 1.5.6.5