[Olena-patches] last-svn-commit-237-gcfa008d Base 64 support in Qt interface (xmlc extension)

* scribo/demo/viewer/step_widget.cc * scribo/demo/viewer/step_widget.hh * scribo/demo/viewer/browser_widget.cc, * scribo/demo/viewer/browser_widget.hh: Add .xmlc extension. * scribo/demo/viewer/image_scene.cc * scribo/demo/viewer/viewer.cc, * scribo/demo/viewer/viewer.hh: base 64 loading. --- scribo/ChangeLog | 47 +++++++++++++------- scribo/demo/viewer/browser_widget.cc | 9 +++- scribo/demo/viewer/browser_widget.hh | 2 +- scribo/demo/viewer/image_scene.cc | 10 ++-- scribo/demo/viewer/step_widget.cc | 77 ++++++++++++++++++--------------- scribo/demo/viewer/step_widget.hh | 4 +- scribo/demo/viewer/viewer.cc | 60 +++++++++++++++++++++++--- scribo/demo/viewer/viewer.hh | 3 +- 8 files changed, 142 insertions(+), 70 deletions(-) diff --git a/scribo/ChangeLog b/scribo/ChangeLog index dbc16e3..77c6680 100644 --- a/scribo/ChangeLog +++ b/scribo/ChangeLog @@ -1,21 +1,34 @@ 2010-07-16 Arthur Crepin-Leblond &lt;crepin(a)ptaouchnok.lrde.epita.fr&gt; + Base 64 support in Qt interface (xmlc extension) + + * scribo/demo/viewer/step_widget.cc + * scribo/demo/viewer/step_widget.hh + * scribo/demo/viewer/browser_widget.cc, + * scribo/demo/viewer/browser_widget.hh: Add .xmlc extension. + + * scribo/demo/viewer/image_scene.cc + * scribo/demo/viewer/viewer.cc, + * scribo/demo/viewer/viewer.hh: base 64 loading. + +2010-07-16 Arthur Crepin-Leblond &lt;crepin(a)ptaouchnok.lrde.epita.fr&gt; + Two new features in Qt interface. - * demo/viewer/browser_widget.cc, - * demo/viewer/browser_widget.hh: Add arrows to change image and keep + * scribo/demo/viewer/browser_widget.cc, + * scribo/demo/viewer/browser_widget.hh: Add arrows to change image and keep XML step. - * demo/viewer/key_widget.cc, - * demo/viewer/key_widget.hh: Change ListWidget to TreeWidget, Items can be + * scribo/demo/viewer/key_widget.cc, + * scribo/demo/viewer/key_widget.hh: Change ListWidget to TreeWidget, Items can be disabled/enabled in groups. - * demo/viewer/step_widget.cc, - * demo/viewer/step_widget.hh: Small changes to keep the step when next/prev. + * scribo/demo/viewer/step_widget.cc, + * scribo/demo/viewer/step_widget.hh: Small changes to keep the step when next/prev. picture is chosen. - * demo/viewer/viewer.cc, - * demo/viewer/xml_widget.cc: Layout adjustement. + * scribo/demo/viewer/viewer.cc, + * scribo/demo/viewer/xml_widget.cc: Layout adjustement. 2010-07-16 Arthur Crepin-Leblond &lt;crepin(a)ptaouchnok.lrde.epita.fr&gt; @@ -42,18 +55,18 @@ * scribo/demo/viewer/Makefile.am - * demo/viewer/image_region.cc, + * scribo/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. + * scribo/demo/viewer/image_scene.cc, + * scribo/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) + * scribo/demo/viewer/key_widget.cc, + * scribo/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/viewer.cc, + * scribo/demo/viewer/viewer.hh: Chnage XML parsing to support extended format. * scribo/demo/viewer/common.hh: Add new RegionId's. @@ -61,8 +74,8 @@ 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. + * scribo/demo/viewer/browser_widget.hh: Improve picture browser. + * scribo/demo/viewer/step_widget.cc: Add a "step chooser" to load several XML files related to one picture. 2010-06-30 Arthur Crepin-Leblond &lt;crepin(a)stockholm.lrde.epita.fr&gt; diff --git a/scribo/demo/viewer/browser_widget.cc b/scribo/demo/viewer/browser_widget.cc index bd70648..220a719 100644 --- a/scribo/demo/viewer/browser_widget.cc +++ b/scribo/demo/viewer/browser_widget.cc @@ -66,7 +66,9 @@ BrowserWidget::BrowserWidget(QDirModel* files, QString dir) QStringList files_filters; files_filters << "*.png" << "*.jpg" - << "*.tif" << "*.ppm" << "*.pgm" << "*.pbm" << "pnm"; + << "*.tif" << "*.ppm" + << "*.pgm" << "*.pbm" + << "*.pnm" << "*.xmle"; files->setNameFilters(files_filters); } @@ -95,7 +97,10 @@ BrowserWidget::activate(const QModelIndex& index, bool b) first_time_ = false; - emit activated(files_->filePath(index), b); + if (files_->filePath(index).endsWith(".xmlc")) + emit activated(files_->filePath(index), b, true); + else + emit activated(files_->filePath(index), b, false); } void diff --git a/scribo/demo/viewer/browser_widget.hh b/scribo/demo/viewer/browser_widget.hh index a0fbe43..9266832 100644 --- a/scribo/demo/viewer/browser_widget.hh +++ b/scribo/demo/viewer/browser_widget.hh @@ -33,7 +33,7 @@ public slots: void prev() { change_pos(false); } signals: - void activated(QString filename, bool b); + void activated(QString filename, bool b, bool x); private: void change_pos(bool next); diff --git a/scribo/demo/viewer/image_scene.cc b/scribo/demo/viewer/image_scene.cc index bbc75c3..62b4b46 100644 --- a/scribo/demo/viewer/image_scene.cc +++ b/scribo/demo/viewer/image_scene.cc @@ -40,7 +40,7 @@ ImageScene::mousePressEvent(QGraphicsSceneMouseEvent* event) { ImageRegion* item = dynamic_cast<ImageRegion*>(elt); if (item) - { + { if (item != selected_) { if (selected_) @@ -49,7 +49,7 @@ ImageScene::mousePressEvent(QGraphicsSceneMouseEvent* event) { 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 @@ -66,15 +66,15 @@ ImageScene::mousePressEvent(QGraphicsSceneMouseEvent* event) selected_ = 0; } } - selected_ = item; + selected_ = item; item->select(); emit selected(item->index()); - return; + return; } } else { - if ( (selected_) + if ( (selected_) && (items_list.size() == 1) )// no ImageRegion, only the picture { selected_->deselect(); diff --git a/scribo/demo/viewer/step_widget.cc b/scribo/demo/viewer/step_widget.cc index 1020c6a..207796d 100644 --- a/scribo/demo/viewer/step_widget.cc +++ b/scribo/demo/viewer/step_widget.cc @@ -68,57 +68,64 @@ void StepWidget::activate(QListWidgetItem* item) } -void StepWidget::fill_steps(QString file, bool step) +void StepWidget::fill_steps(QString file, bool step, bool container) { view_->clear(); map_.clear(); - // image is loaded once - emit load_image(file); + if (container) + { + emit load_image(file, true); + emit load_xml(file); + } + else + { + // image is loaded once + emit load_image(file, false); - int cut = file.lastIndexOf(QChar('/')); - QString path = file.left(cut+1); - QString filename = file.mid(cut+1); + int cut = file.lastIndexOf(QChar('/')); + QString path = file.left(cut+1); + QString filename = file.mid(cut+1); - cut = filename.lastIndexOf(QChar('.')); + cut = filename.lastIndexOf(QChar('.')); - QString file_with_no_ext = filename.left(cut); - // view_->addItem(file_with_no_ext); + QString file_with_no_ext = filename.left(cut); + // view_->addItem(file_with_no_ext); - QDir dir(path); + QDir dir(path); - if (dir.isReadable()) - { - QStringList filter; - filter << "*.xml"; - QStringList xml_list = dir.entryList(filter); - for (int i = 0; i < xml_list.size(); ++i) + if (dir.isReadable()) { - if (xml_list.at(i).startsWith(file_with_no_ext)) + QStringList filter; + filter << "*.xml"; + QStringList xml_list = dir.entryList(filter); + for (int i = 0; i < xml_list.size(); ++i) { - cut = xml_list.at(i).lastIndexOf(QChar('.')); - QString key = xml_list.at(i).left(cut); - key.replace(file_with_no_ext + QString("_"), QString("")); - key.replace(QRegExp("^step([0-9])"), "Step \\1"); - key.replace(QRegExp("^Step ([0-9])_"), "Step \\1 : "); - key.replace("_", " "); - QString value = path; - map_.insertMulti(key, value.append(xml_list.at(i))); - view_->addItem(key); + if (xml_list.at(i).startsWith(file_with_no_ext)) + { + cut = xml_list.at(i).lastIndexOf(QChar('.')); + QString key = xml_list.at(i).left(cut); + key.replace(file_with_no_ext + QString("_"), QString("")); + key.replace(QRegExp("^step([0-9])"), "Step \\1"); + key.replace(QRegExp("^Step ([0-9])_"), "Step \\1 : "); + key.replace("_", " "); + QString value = path; + map_.insertMulti(key, value.append(xml_list.at(i))); + view_->addItem(key); + } } } - } + if ( (step && step_ != QString::Null())) + { + QList<QListWidgetItem*> list = view_->findItems(step_, Qt::MatchContains); - if (step && step_ != QString::Null()) - { - QList<QListWidgetItem*> list = view_->findItems(step_, Qt::MatchContains); - - if (!list.isEmpty()) - emit activated(list.first()); + if (!list.isEmpty()) + emit activated(list.first()); + } + else + step_ = QString::Null(); } - else - step_ = QString::Null(); } void StepWidget::add_element(const QString& element) diff --git a/scribo/demo/viewer/step_widget.hh b/scribo/demo/viewer/step_widget.hh index 928e503..32602b0 100644 --- a/scribo/demo/viewer/step_widget.hh +++ b/scribo/demo/viewer/step_widget.hh @@ -42,12 +42,12 @@ public: void add_element(const QString& element); signals: - void load_image(QString); + void load_image(QString, bool); void load_xml(QString); void activated(QListWidgetItem*); public slots: - void fill_steps(QString file, bool = false); + void fill_steps(QString file, bool step = false, bool container = false); void activate(QListWidgetItem* item); private: diff --git a/scribo/demo/viewer/viewer.cc b/scribo/demo/viewer/viewer.cc index b3fd6f5..e5ec717 100644 --- a/scribo/demo/viewer/viewer.cc +++ b/scribo/demo/viewer/viewer.cc @@ -169,11 +169,11 @@ Viewer::Viewer(int &argc, char** argv) h_sizes << 200 << 700; h_splitter->setSizes(h_sizes); - connect(browser_wgt, SIGNAL(activated(QString, bool)), - step_widget, SLOT(fill_steps(QString, bool))); + connect(browser_wgt, SIGNAL(activated(QString, bool, bool)), + step_widget, SLOT(fill_steps(QString, bool, bool))); - connect(step_widget, SIGNAL(load_image(QString)), - this, SLOT(load(QString))); + connect(step_widget, SIGNAL(load_image(QString, bool)), + this, SLOT(load(QString, bool))); connect(step_widget, SIGNAL(load_xml(QString)), this, SLOT(load_xml(QString))); @@ -429,18 +429,20 @@ Viewer::xml_to_layout() } void -Viewer::load(QString filename) +Viewer::load(QString filename, bool b) { app_->setOverrideCursor(QCursor(Qt::WaitCursor)); scene_->clear(); scene_->update(); image_ = 0; - // xml_file_ = ""; // 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)); + if (b) + image_ = new QGraphicsPixmapItem(load_base64(filename)); + else + image_ = new QGraphicsPixmapItem(QPixmap(filename)); image_->setShapeMode(QGraphicsPixmapItem::BoundingRectShape); image_->setZValue(0); scene_->addItem(image_); @@ -511,4 +513,48 @@ Viewer::useCache(bool b) image_->setCacheMode(QGraphicsItem::DeviceCoordinateCache); } +QPixmap Viewer::load_base64(QString xml) +{ + QPixmap pix; + QFile f_in(xml); + f_in.open(QIODevice::ReadOnly); + + QDomDocument doc; + doc.setContent(&f_in); + f_in.close(); + + QDomElement root = doc.documentElement(); + QDomNode child = root.firstChild(); + + while (!child.isNull() && !child.toElement().tagName().contains("page")) + child = child.nextSibling(); + + child = child.firstChild(); + while (!child.isNull()) + { + if (child.toElement().tagName().contains(QRegExp("image_region"))) + { + QDomNode node = child.firstChild(); + QString id = child.toElement().attribute("id", "none"); + + while (!node.isNull() && !node.toElement().tagName().contains("container")) + node = node.nextSibling(); + + if (!node.isNull()) + { + QString data = node.firstChildElement("data").text(); + QByteArray ba; + ba = ba.append(data); + QByteArray out_ba = QByteArray::fromBase64(ba); + pix.loadFromData(out_ba); + + return pix; + } + } + child = child.nextSibling(); + } + + return pix; +} + // LocalWords: hh diff --git a/scribo/demo/viewer/viewer.hh b/scribo/demo/viewer/viewer.hh index d13ef91..7093da8 100644 --- a/scribo/demo/viewer/viewer.hh +++ b/scribo/demo/viewer/viewer.hh @@ -38,7 +38,7 @@ public: public slots: // Load the file as an image, load the layout if xml with the same // name is found. - void load(QString filename); + void load(QString filename, bool b); void help(); void load_xml(QString filename); void maybeChangeCacheMode(qreal scale); @@ -59,6 +59,7 @@ private: Viewer(); void xml_to_layout(); + QPixmap load_base64(QString xml); QApplication* app_; QMainWindow* win_; -- 1.5.6.5