[Olena-patches] last-svn-commit-760-gc96edd6 Add printing support in Scribo viewer.

* demo/viewer/image_scene.cc, * demo/viewer/image_scene.hh: Accept a parent widget. * demo/viewer/image_widget.cc, * demo/viewer/image_widget.hh: Add an accessor to the underlying view. * demo/viewer/viewer.cc, * demo/viewer/viewer.hh: Add print and print preview menu entries --- scribo/ChangeLog | 14 +++++ scribo/demo/viewer/image_scene.cc | 7 ++- scribo/demo/viewer/image_scene.hh | 2 +- scribo/demo/viewer/image_widget.cc | 15 +++++- scribo/demo/viewer/image_widget.hh | 6 ++- scribo/demo/viewer/viewer.cc | 95 ++++++++++++++++++++++++++++++++++-- scribo/demo/viewer/viewer.hh | 9 +++- 7 files changed, 135 insertions(+), 13 deletions(-) diff --git a/scribo/ChangeLog b/scribo/ChangeLog index 620dcfb..52006a7 100644 --- a/scribo/ChangeLog +++ b/scribo/ChangeLog @@ -1,3 +1,17 @@ +2011-02-04 Guillaume Lazzara &lt;z(a)lrde.epita.fr&gt; + + Add printing support in Scribo viewer. + + * demo/viewer/image_scene.cc, + * demo/viewer/image_scene.hh: Accept a parent widget. + + * demo/viewer/image_widget.cc, + * demo/viewer/image_widget.hh: Add an accessor to the underlying + view. + + * demo/viewer/viewer.cc, + * demo/viewer/viewer.hh: Add print and print preview menu entries. + 2011-02-18 Guillaume Lazzara &lt;z(a)lrde.epita.fr&gt; Improve about dialog in scribo viewer. diff --git a/scribo/demo/viewer/image_scene.cc b/scribo/demo/viewer/image_scene.cc index 2c56113..a800896 100644 --- a/scribo/demo/viewer/image_scene.cc +++ b/scribo/demo/viewer/image_scene.cc @@ -1,4 +1,5 @@ -// Copyright (C) 2010 EPITA Research and Development Laboratory (LRDE) +// Copyright (C) 2010, 2011 EPITA Research and Development Laboratory +// (LRDE) // // This file is part of Olena. // @@ -18,8 +19,8 @@ #include "image_scene.hh" #include "image_region.hh" -ImageScene::ImageScene() - : selected_(0) +ImageScene::ImageScene(QObject *parent) + : QGraphicsScene(parent), selected_(0) { } diff --git a/scribo/demo/viewer/image_scene.hh b/scribo/demo/viewer/image_scene.hh index 136f1a2..b141478 100644 --- a/scribo/demo/viewer/image_scene.hh +++ b/scribo/demo/viewer/image_scene.hh @@ -27,7 +27,7 @@ class ImageScene Q_OBJECT public: - ImageScene(); + ImageScene(QObject *parent = 0); ~ImageScene(); void mousePressEvent(QGraphicsSceneMouseEvent* event); diff --git a/scribo/demo/viewer/image_widget.cc b/scribo/demo/viewer/image_widget.cc index e9e5e79..f86ff1d 100644 --- a/scribo/demo/viewer/image_widget.cc +++ b/scribo/demo/viewer/image_widget.cc @@ -1,4 +1,5 @@ -// Copyright (C) 2010 EPITA Research and Development Laboratory (LRDE) +// Copyright (C) 2010, 2011 EPITA Research and Development Laboratory +// (LRDE) // // This file is part of Olena. // @@ -20,6 +21,8 @@ ImageWidget::ImageWidget(QGraphicsScene* scene) : view_ (new ImageView(scene)) { + scene->setParent(view_); + QLabel* title = new QLabel(tr("Layout")); title->setAlignment(Qt::AlignHCenter); @@ -38,6 +41,12 @@ ImageWidget::ImageWidget(QGraphicsScene* scene) setLayout(layout); } + +ImageWidget::~ImageWidget() +{ +} + + void ImageWidget::update() { @@ -45,6 +54,8 @@ ImageWidget::update() view_->scaleUpdate(); } -ImageWidget::~ImageWidget() +ImageView * +ImageWidget::view() const { + return view_; } diff --git a/scribo/demo/viewer/image_widget.hh b/scribo/demo/viewer/image_widget.hh index 826b873..79dd672 100644 --- a/scribo/demo/viewer/image_widget.hh +++ b/scribo/demo/viewer/image_widget.hh @@ -1,4 +1,5 @@ -// Copyright (C) 2010 EPITA Research and Development Laboratory (LRDE) +// Copyright (C) 2010, 2011 EPITA Research and Development Laboratory +// (LRDE) // // This file is part of Olena. // @@ -18,6 +19,7 @@ # define SCRIBO_DEMO_VIEWER_IMAGE_WIDGET_HH # include <QtGui> +# include "image_view.hh" class ImageView; @@ -30,6 +32,8 @@ public: ImageWidget(QGraphicsScene* scene); ~ImageWidget(); + ImageView * view() const; + public slots: void update(); diff --git a/scribo/demo/viewer/viewer.cc b/scribo/demo/viewer/viewer.cc index 46172ce..57a67c2 100644 --- a/scribo/demo/viewer/viewer.cc +++ b/scribo/demo/viewer/viewer.cc @@ -22,10 +22,10 @@ #include "viewer.hh" #include "key_widget.hh" #include "browser_widget.hh" -#include "image_widget.hh" #include "xml_widget.hh" #include "step_widget.hh" #include "image_scene.hh" +#include "image_view.hh" #include "image_region.hh" #include "help_dialog.hh" #include "preferences_dialog.hh" @@ -107,6 +107,23 @@ Viewer::Viewer(int &argc, char** argv) file_menu->addSeparator(); + QAction *preview_print_action = create_action("Printing preview", file_menu, + "Printint preview", "Ctrl+P"); + connect(preview_print_action, SIGNAL(triggered()), + this, SLOT(preview_print())); + file_menu->addAction(preview_print_action); + preview_print_action->setEnabled(false); + + + QAction *print_action = create_action("Print", file_menu, + "Print", "Ctrl+P"); + connect(print_action, SIGNAL(triggered()), + this, SLOT(print())); + file_menu->addAction(print_action); + print_action->setEnabled(false); + + file_menu->addSeparator(); + QAction* quit_action = create_action("Quit", file_menu, "Exit the program.", "Ctrl+q"); @@ -220,10 +237,14 @@ Viewer::Viewer(int &argc, char** argv) step_widget_ = new StepWidget(); XmlWidget* xml_wgt = new XmlWidget(); browser_wgt_ = new BrowserWidget(files_, argc != 2 ? QString() : argv[1]); - ImageWidget* image_wgt = new ImageWidget(scene_); + image_wgt_ = new ImageWidget(scene_); connect(step_widget_, SIGNAL(step_selected(bool)), export_action_, SLOT(setEnabled(bool))); + connect(step_widget_, SIGNAL(step_selected(bool)), + print_action, SLOT(setEnabled(bool))); + connect(step_widget_, SIGNAL(step_selected(bool)), + preview_print_action, SLOT(setEnabled(bool))); scene_->setBackgroundBrush(scene_->palette().window()); @@ -231,7 +252,7 @@ Viewer::Viewer(int &argc, char** argv) v_splitter->addWidget(key_wgt_); v_splitter->addWidget(browser_wgt_); - v_splitter2->addWidget(image_wgt); + v_splitter2->addWidget(image_wgt_); v_splitter2->addWidget(xml_wgt); h_splitter->addWidget(v_splitter); @@ -264,7 +285,7 @@ Viewer::Viewer(int &argc, char** argv) connect(this, SIGNAL(mode_changed(bool)), key_wgt_, SLOT(change_mode(bool))); connect(this, SIGNAL(updated()), - image_wgt, SLOT(update())); + image_wgt_, SLOT(update())); connect(this, SIGNAL(fill_xml(QString)), xml_wgt, SLOT(fill_widget(QString))); @@ -276,7 +297,7 @@ Viewer::Viewer(int &argc, char** argv) connect(scene_, SIGNAL(deselected()), xml_wgt, SLOT(deselect())); - connect(image_wgt, SIGNAL(scaleUpdated(qreal)), + connect(image_wgt_, SIGNAL(scaleUpdated(qreal)), this, SLOT(maybeChangeCacheMode(qreal))); @@ -808,3 +829,67 @@ Viewer::reset_progress_dialog() pdialog_.setLabelText(""); pdialog_.show(); } + + +void +Viewer::print() +{ + QPrinter printer(QPrinter::HighResolution); + configure_printer(printer); + + QPrintDialog dialog(&printer); + dialog.setWindowTitle(tr("Print Document")); + if (dialog.exec() != QDialog::Accepted) + return; + + do_print(&printer); +} + +void +Viewer::preview_print() +{ + QPrinter printer(QPrinter::HighResolution); + configure_printer(printer); + + QPrintPreviewDialog preview(&printer); + connect(&preview, SIGNAL(paintRequested(QPrinter *)), + this, SLOT(do_print(QPrinter *))); + + preview.exec(); +} + +void Viewer::do_print(QPrinter * printer) +{ + QList<QGraphicsItem *> items = image_wgt_->view()->items(); + + QPainter painter(printer); + + QGraphicsItem *item; + QStyleOptionGraphicsItem options; + + // Painting backward objects first. + for (int i = items.size() - 1; i >= 0; --i) + { + item = items.at(i); + + if (item != image_) + { + QRect vport = image_->mapRectFromItem(item, + item->boundingRect()).toRect(); + + painter.translate(std::abs(item->boundingRect().x() - vport.x()), + std::abs(item->boundingRect().y() - vport.y())); + } + + + item->paint(&painter, &options); + painter.resetTransform(); + } +} + +void +Viewer::configure_printer(QPrinter& printer) +{ + printer.setPageSize(QPrinter::A4); + printer.setResolution(300); +} diff --git a/scribo/demo/viewer/viewer.hh b/scribo/demo/viewer/viewer.hh index 3aefaf6..c4b99e8 100644 --- a/scribo/demo/viewer/viewer.hh +++ b/scribo/demo/viewer/viewer.hh @@ -1,4 +1,5 @@ -// Copyright (C) 2010 EPITA Research and Development Laboratory (LRDE) +// Copyright (C) 2010, 2011 EPITA Research and Development Laboratory +// (LRDE) // // This file is part of Olena. // @@ -21,6 +22,7 @@ # include <QDomNode> # include "common.hh" # include "runner.hh" +# include "image_widget.hh" class ImageScene; class DomModel; @@ -61,6 +63,9 @@ private slots: void run_progress(); void on_xml_saved(const QString& filename); void export_as(); + void print(); + void preview_print(); + void do_print(QPrinter * printer); signals: void updated(); @@ -81,6 +86,7 @@ private: void add_text(QDomNode line); QAction *create_action(QString name, QMenu* menu, QString status, QString shortcut); void reset_progress_dialog(); + void configure_printer(QPrinter& printer); QApplication* app_; QMainWindow* win_; @@ -90,6 +96,7 @@ private: QGraphicsPixmapItem* image_; ImageScene* scene_; + ImageWidget* image_wgt_; QDirModel* files_; DomModel* doc_layout_; -- 1.5.6.5