[Olena-patches] 4486: Improve Scribo's demo.

* demo/src/mainwindow.cc, * demo/src/mainwindow.hh: Add "text in doc" demo and improve progress dialog output. --- scribo/ChangeLog | 8 ++++ scribo/demo/src/mainwindow.cc | 92 ++++++++++++++++++++++++++++------------ scribo/demo/src/mainwindow.hh | 10 ++++- 3 files changed, 81 insertions(+), 29 deletions(-) diff --git a/scribo/ChangeLog b/scribo/ChangeLog index 7f504e6..39c0b92 100644 --- a/scribo/ChangeLog +++ b/scribo/ChangeLog @@ -1,5 +1,13 @@ 2009-09-15 Guillaume Lazzara &lt;lazzara(a)lrde.epita.fr&gt; + Improve Scribo's demo. + + * demo/src/mainwindow.cc, + * demo/src/mainwindow.hh: Add "text in doc" demo and improve + progress dialog output. + +2009-09-15 Guillaume Lazzara &lt;lazzara(a)lrde.epita.fr&gt; + * debug/decision_image.hh: Fix an invalid precondition. 2009-09-15 Guillaume Lazzara &lt;lazzara(a)lrde.epita.fr&gt; diff --git a/scribo/demo/src/mainwindow.cc b/scribo/demo/src/mainwindow.cc index 1bfaec9..f808d8b 100644 --- a/scribo/demo/src/mainwindow.cc +++ b/scribo/demo/src/mainwindow.cc @@ -34,7 +34,8 @@ const char * modes[][4] = { - { "Text in pictures", "pics", "../src/text_in_photo", "image-x-generic.png" }, + { "Text in pictures", "pics", "../src/text_in_photo_ppm", "image-x-generic.png" }, + { "Text in docs", "doc", "../src/text_in_doc", "edit-find.png" }, { (const char *)(1), 0, 0, 0}, // Separator { "Handwritten text lines", "hsc", "../../milena/sandbox/icdar/2009/hsc/input_to_lines", "text-x-generic.png" }, { "Handwritten text words", "hsc", "../../milena/sandbox/icdar/2009/hsc/input_to_words", "text-x-generic.png" }, @@ -59,6 +60,7 @@ const char * modes[][4] = { // const char *args_list[][3] = { { 0, 0, 0 }, // Text in Pictures + { 0, 0, 0 }, // Text in Docs { (const char *)(1), 0, 0}, // Separator { "/dev/null", 0, 0 }, // Handwritten text lines { "/dev/null", 0, 0 }, // Handwritten text words @@ -97,13 +99,11 @@ namespace scribo pdialog_.setLabelText(tr("Please wait while computing...")); pdialog_.setWindowModality(Qt::WindowModal); + exec_.setReadChannel(QProcess::StandardOutput); + qDebug() << "Cache located in " << QDir::tempPath(); connect(&pdialog_, SIGNAL(canceled()), this, SLOT(compute_canceled())); - connect(&exec_, SIGNAL(finished(int, QProcess::ExitStatus)), - this, SLOT(exec_finished(int, QProcess::ExitStatus))); - connect(&exec_, SIGNAL(error(QProcess::ProcessError)), - this, SLOT(exec_error(QProcess::ProcessError))); connect(&context_, SIGNAL(triggered(QAction *)), this, SLOT(context_changed(QAction *))); @@ -118,6 +118,8 @@ namespace scribo this, SLOT(move_horizontal_sliders(int))); connect(&timer_, SIGNAL(timeout()), this, SLOT(timer_timeout())); + connect_compute_process(); + context_.setExclusive(true); // No status bar. @@ -163,6 +165,7 @@ namespace scribo action->setCheckable(true); action->setData(i); action->setShortcut(QKeySequence(Qt::CTRL + Qt::Key_0 + i)); + action->setEnabled(QFile::exists(modes[i][2])); if (modes[i][3] != 0) action->setIcon(QIcon(QString(":/icons/") + modes[i][3])); @@ -203,7 +206,8 @@ namespace scribo void MainWindow::on_runBtn_clicked() { - if (useCache->isChecked() && cached_result_[mode_].contains(filepath->text())) + if (useCache->isChecked() + && cached_result_[mode_].contains(filepath->text())) { last_output_ = cached_result_[mode_][filepath->text()]; exec_finished(0, QProcess::NormalExit); @@ -216,30 +220,20 @@ namespace scribo QString input = filepath->text(); - // Loading ppm file - if (current_mode() == "pics") - { - QFileInfo f(input); - QDir dir = f.absoluteDir(); - dir.cd("../pics_pbm"); - - QFileInfo pbm_file(dir.path() + "/" + f.completeBaseName() + ".pbm"); - if (pbm_file.exists()) - input = pbm_file.absoluteFilePath(); - } - args << input; for (unsigned i = 0; args_list[mode_][i]; ++i) args << args_list[mode_][i]; // if (!is_in_ocr_mode()) // { - QTemporaryFile f; - f.open(); - args << f.fileName(); - last_output_ = f.fileName(); + QTemporaryFile f; + f.open(); + args << f.fileName(); + last_output_ = f.fileName(); // } +// reset_progress_dialog(); + exec_.start(exec_prefix_ + modes[mode_][2], args); } @@ -300,7 +294,8 @@ namespace scribo QFileInfo finfo(name); if (item != mainResultItem_ && current_mode() != "hsc" && current_mode() != "pproc" - && (current_mode() != "pics" || finfo.suffix() == "pbm")) + && (current_mode() != "pics" || finfo.suffix() == "pbm") + && ! is_in_doc_mode()) { QImage image(pixmap.toImage()); image.invertPixels(); @@ -338,7 +333,7 @@ namespace scribo cached_result_[mode_][filepath->text()] = last_output_; setEnabled(true); - if (is_in_ocr_mode()) + if (is_in_ocr_mode() || is_in_doc_mode()) { QFile f(last_output_); f.open(QIODevice::ReadOnly); @@ -379,10 +374,12 @@ namespace scribo void MainWindow::wait_for_result() { + reset_progress_dialog(); + pdialog_.show(); setEnabled(false); - if (!is_in_ocr_mode()) + if (!is_in_ocr_mode() && !is_in_ocr_mode()) update_status_message(""); } @@ -409,7 +406,6 @@ namespace scribo void MainWindow::exec_error(QProcess::ProcessError error) { - pdialog_.reset(); if (error == QProcess::FailedToStart) exec_error(tr("This program does not exist: ") + exec_prefix_ + modes[mode_][2]); @@ -423,23 +419,37 @@ namespace scribo { mode_ = action->data().toInt(); filepath->clear(); - tabWidget->setTabEnabled(1, is_in_ocr_mode()); + tabWidget->setTabEnabled(1, is_in_ocr_mode() || is_in_doc_mode()); } void MainWindow::compute_canceled() { setEnabled(true); + + exec_.disconnect(); exec_.kill(); + connect_compute_process(); + update_status_message("Computation canceled."); } - bool MainWindow::is_in_ocr_mode() + bool MainWindow::is_in_ocr_mode() const { return current_mode() == "ocr"; } + bool MainWindow::is_in_pics_mode() const + { + return current_mode() == "pics"; + } + + bool MainWindow::is_in_doc_mode() const + { + return current_mode() == "doc"; + } + void MainWindow::resize_pixmaps(const QRectF& rect) { @@ -528,6 +538,32 @@ namespace scribo } } + + void MainWindow::update_process_status() + { + if (is_in_pics_mode() || is_in_doc_mode()) + pdialog_.setLabelText(tr(exec_.readAllStandardOutput())); + } + + + void MainWindow::reset_progress_dialog() + { + pdialog_.reset(); + pdialog_.setLabelText(tr("Please wait while computing...")); + } + + + void MainWindow::connect_compute_process() + { + connect(&exec_, SIGNAL(finished(int, QProcess::ExitStatus)), + this, SLOT(exec_finished(int, QProcess::ExitStatus))); + connect(&exec_, SIGNAL(error(QProcess::ProcessError)), + this, SLOT(exec_error(QProcess::ProcessError))); + connect(&exec_, SIGNAL(readyReadStandardOutput()), + this, SLOT(update_process_status())); + } + + } // end of namespace scribo::demo } // end of namespace scribo diff --git a/scribo/demo/src/mainwindow.hh b/scribo/demo/src/mainwindow.hh index 3641658..90ed991 100644 --- a/scribo/demo/src/mainwindow.hh +++ b/scribo/demo/src/mainwindow.hh @@ -76,6 +76,8 @@ namespace scribo void move_horizontal_sliders(int value); void timer_timeout(); + void update_process_status(); + private: // Members void setup_scene(); void update_pixmap(QGraphicsView* view, const QString& name = QString()); @@ -88,7 +90,9 @@ namespace scribo void prepare_for_run(const QString& filename); - bool is_in_ocr_mode(); + bool is_in_ocr_mode() const; + bool is_in_pics_mode() const; + bool is_in_doc_mode() const; QGraphicsItem *& view_to_item(QGraphicsView *view); @@ -99,6 +103,10 @@ namespace scribo void update_auto_demo_dir(); + void reset_progress_dialog(); + + void connect_compute_process(); + private: // Attributes QGraphicsItem *mainRefItem_; QGraphicsItem *mainResultItem_; -- 1.5.6.5