Added printslides program.

6 files changed, 205 insertions, 0 deletions

diff --git a/tools/printslides/README.txt b/tools/printslides/README.txt
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+This program is a tool for printing slides that were
+built using the qt-labs qml-presentation-system
+
+https://qt.gitorious.org/qt-labs/qml-presentation-system
+
+Building requirements:
+
+Requires Qt 5.0.0
+
+Instructions:
+  printslides /path/to/your/presentation.qml
+  
+Example:
+  printslides ../../examples/tutorial/SlideDeck.qml
+
+Creates a "Slides.pdf" file in your current directory.
diff --git a/tools/printslides/TODO.txt b/tools/printslides/TODO.txt
new file mode 100644
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+++ b/tools/printslides/TODO.txt
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+Add page numbers and headers/footers? 
+ 
diff --git a/tools/printslides/main.cpp b/tools/printslides/main.cpp
new file mode 100644
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+++ b/tools/printslides/main.cpp
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+/*          DO WHAT THE FRAK YOU WANT TO PUBLIC LICENSE (WTFPL)
+                    Version 4, October 2012
+	    Based on the wtfpl: http://sam.zoy.org/wtfpl/
+
+ Copyright (C) 2012 Alan Ezust
+
+ Everyone is permitted to copy and distribute verbatim or modified
+ copies of this license document, and changing it is allowed as long
+ as the name is changed.
+
+            DO WHAT THE FRAK YOU WANT TO PUBLIC LICENSE
+   TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
+
+  0. You just DO WHAT THE FRAK YOU WANT TO.
+  1. It is provided "as is" without any warranty whatsoever.
+*/
+
+#include <QtGui>
+#include "slideview.h"
+
+/** PrintSlides main program.
+    A program to print qt-labs qml-presentation-system Presentations.
+    @author ezust@ics.com
+*/
+int main (int argc, char* argv[]) {
+    QGuiApplication app(argc, argv);
+    app.setOrganizationDomain("com");
+    app.setOrganizationName("ics");
+    app.setApplicationName("printslides");
+    app.setApplicationVersion("0.2");
+    app.setApplicationDisplayName("QML Presentation Slide Printer");
+    SlideView mainView;
+    mainView.setSource(app.arguments()[1]);
+    mainView.show();
+    return app.exec();
+}
diff --git a/tools/printslides/printslides.pro b/tools/printslides/printslides.pro
new file mode 100644
index 0000000..291fd35
--- /dev/null
+++ b/tools/printslides/printslides.pro
@@ -0,0 +1,7 @@
+QT += gui qml quick widgets printsupport
+DESTDIR=$$(PWD)
+
+SOURCES += main.cpp slideview.cpp
+HEADERS += slideview.h
+
+
diff --git a/tools/printslides/slideview.cpp b/tools/printslides/slideview.cpp
new file mode 100644
index 0000000..7f02340
--- /dev/null
+++ b/tools/printslides/slideview.cpp
@@ -0,0 +1,95 @@
+/*          DO WHAT THE FRAK YOU WANT TO PUBLIC LICENSE (WTFPL)
+                    Version 4, October 2012
+	    Based on the wtfpl: http://sam.zoy.org/wtfpl/
+
+ Copyright (C) 2012 Alan Ezust
+
+ Everyone is permitted to copy and distribute verbatim or modified
+ copies of this license document, and changing it is allowed as long
+ as the name is changed.
+
+            DO WHAT THE FRAK YOU WANT TO PUBLIC LICENSE
+   TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
+
+  0. You just DO WHAT THE FRAK YOU WANT TO.
+  1. It is provided "as is" without any warranty whatsoever.
+*/
+
+#include <QtQml>
+#include <QQuickItem>
+#include <QDebug>
+#include <QPixmap>
+#include <QScreen>
+#include "slideview.h"
+
+SlideView::SlideView(QWindow* parent): QQuickView(parent),
+m_slidesLeft(0), m_printedSlides(0) {
+    connect (this, SIGNAL(statusChanged(QQuickView::Status)),
+        this, SLOT(updateStatus(QQuickView::Status)));
+}
+
+void SlideView::updateStatus(QQuickView::Status status) {
+    if (m_slidesLeft > 0) return;
+    if (status != QQuickView::Ready) return;
+    QQuickItem *ri = rootObject();
+    QString superClass = ri->metaObject()->superClass()->className();
+    if (!superClass.startsWith("Presentation")) {
+        qWarning("Warning: Superclass appears to not be a Presentation: %s. ", superClass.toLocal8Bit().constData());
+    }
+    else qDebug() << "Found qml Presentation as rootObject";
+
+    QList<QVariant> slides = ri->property("slides").toList();
+    m_slidesLeft = slides.size();
+    qDebug() << "SlideCount: " << m_slidesLeft;
+    qDebug() << "Printer's Page rect size (and suggested resolution of your presentation): " << m_printer.pageRect().size();
+    m_printer.setOrientation(QPrinter::Landscape);
+    m_printer.setFullPage(true);
+    m_printer.setOutputFileName("slides.pdf");
+    m_painter.begin(&m_printer);
+
+    // it would be better if we used the printer resolution here and forced
+    // the presentation to be in the same resolution but when I try that,
+    // the timer doesn't work properly for some reason?
+
+    setHeight(ri->height());
+    setWidth(ri->width());
+
+    // Try uncommenting the below 4 lines and see what happens.
+    //setHeight(m_printer.pageRect().height());
+    //setWidth(m_printer.pageRect().width());
+    //ri->setHeight(height());
+    //ri->setWidth(width());
+
+    // start timer to print out pages once every 2 seconds.
+    m_tid = startTimer(2000);
+}
+
+void SlideView::timerEvent(QTimerEvent*) {
+    printCurrentSlide();
+    ++m_printedSlides;
+    --m_slidesLeft;
+    if (m_slidesLeft > 0) {
+        m_printer.newPage();
+        goToNextSlide();
+    }
+    else {
+        killTimer(m_tid);
+        m_painter.end();
+        qDebug() << "Printed to file: " << m_printer.outputFileName();
+        qApp->exit();
+    }
+
+}
+
+
+void SlideView::printCurrentSlide() {
+    QPixmap pix = screen()->grabWindow(winId());
+    qDebug() << "Printing slide#" << m_printedSlides + 1 << "Resolution:" << pix.size();
+    QSize targetSize = m_printer.pageRect().size();
+    m_painter.drawPixmap(m_printer.pageRect().x(), m_printer.pageRect().y(), pix.scaled(targetSize, Qt::KeepAspectRatio, Qt::SmoothTransformation) );
+}
+
+void SlideView::goToNextSlide() {
+    static const QMetaObject* meta = rootObject()->metaObject();
+    meta->invokeMethod(rootObject(), "goToNextSlide");
+}
diff --git a/tools/printslides/slideview.h b/tools/printslides/slideview.h
new file mode 100644
index 0000000..492070b
--- /dev/null
+++ b/tools/printslides/slideview.h
@@ -0,0 +1,49 @@
+/*          DO WHAT THE FRAK YOU WANT TO PUBLIC LICENSE (WTFPL)
+                    Version 4, October 2012
+	    Based on the wtfpl: http://sam.zoy.org/wtfpl/
+
+ Copyright (C) 2012 Alan Ezust
+
+ Everyone is permitted to copy and distribute verbatim or modified
+ copies of this license document, and changing it is allowed as long
+ as the name is changed.
+
+            DO WHAT THE FRAK YOU WANT TO PUBLIC LICENSE
+   TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
+
+  0. You just DO WHAT THE FRAK YOU WANT TO.
+  1. It is provided "as is" without any warranty whatsoever.
+*/
+
+#ifndef SLIDEVIEW_H
+#define SLIDEVIEW_H
+
+#include <QQuickView>
+#include <QPrinter>
+#include <QPainter>
+
+/** A class for viewing and printing a QML Presentation with Slides.
+    Assumes the root object of the QML file that was loaded is derived from
+    Presentation from qt-labs qml-presentation-system
+    git clone git://gitorious.org/qt-labs/qml-presentation-system.git
+*/
+class SlideView : public QQuickView {
+    Q_OBJECT
+public:
+    SlideView(QWindow* parent=0);
+public slots:
+    void updateStatus(QQuickView::Status);
+    void timerEvent(QTimerEvent* evt);
+    void printCurrentSlide();
+    void goToNextSlide();
+
+private:
+    int m_slidesLeft;
+    int m_printedSlides;
+    int m_tid;
+
+    QPrinter m_printer;
+    QPainter m_painter;
+};
+
+#endif        //  #ifndef SLIDEVIEW_H