Introduce a paged paintdevice and use it

Introduce a QPagedPaintDevice class that has a
newPage() method and page dimensions. QPdfWriter
and QPrinter inherit from it.
Add a bit of API to QPdfWriter.

Change-Id: Ibf23e7fe741f3a5ed854faf5d249a272acc75f35
Reviewed-on: http://codereview.qt.nokia.com/3206
Reviewed-by: Gunnar Sletta <gunnar.sletta@nokia.com>

1 files changed, 42 insertions, 0 deletions

diff --git a/src/gui/painting/qpagedpaintdevice.h b/src/gui/painting/qpagedpaintdevice.h
new file mode 100644
index 0000000000..faba555adf
--- /dev/null
+++ b/src/gui/painting/qpagedpaintdevice.h
@@ -0,0 +1,42 @@
+
+#ifndef QPAGEDPAINTDEVICE_H
+#define QPAGEDPAINTDEVICE_H
+
+#include <QtGui/qpaintdevice.h>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Gui)
+
+class QPagedPaintDevicePrivate;
+
+class Q_GUI_EXPORT QPagedPaintDevice : public QPaintDevice
+{
+public:
+    QPagedPaintDevice();
+    ~QPagedPaintDevice();
+
+    virtual bool newPage() = 0;
+
+    enum PageSize { A4, B5, Letter, Legal, Executive,
+                    A0, A1, A2, A3, A5, A6, A7, A8, A9, B0, B1,
+                    B10, B2, B3, B4, B6, B7, B8, B9, C5E, Comm10E,
+                    DLE, Folio, Ledger, Tabloid, Custom, NPageSize = Custom };
+
+    virtual void setPageSize(PageSize size);
+    PageSize pageSize() const;
+
+    virtual void setPageSizeMM(const QSizeF &size);
+    QSizeF pageSizeMM() const;
+
+private:
+    QPagedPaintDevicePrivate *d;
+};
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif