Change PDFWriterImpl into an OutputDevice

It actually changes it into a VirtualDevice and should just be a
refactoring. We get rid of the crude stuff in a follow up patch,

While at it unfriend PDFWriterImpl from OutputDevice.

Change-Id: Id43731ad076690292c30f9f3e05ff0dd58edc5e5
Reviewed-on: https://gerrit.libreoffice.org/62201
Tested-by: Jenkins
Reviewed-by: Jan-Marek Glogowski <glogow@fbihome.de>

2 files changed, 16 insertions, 13 deletions

diff --git a/include/vcl/outdev.hxx b/include/vcl/outdev.hxx
index 72d5ae57dca9..4980757a4b1a 100644
--- a/include/vcl/outdev.hxx
+++ b/include/vcl/outdev.hxx
@@ -328,7 +328,6 @@ class VCL_DLLPUBLIC OutputDevice : public virtual VclReferenceBase
     friend class VirtualDevice;
     friend class vcl::Window;
     friend class WorkWindow;
-    friend class vcl::PDFWriterImpl;
     friend void ImplHandleResize( vcl::Window* pWindow, long nNewWidth, long nNewHeight );
 
 private:
@@ -347,7 +346,7 @@ private:
     std::unique_ptr<OutDevStateStack>               mpOutDevStateStack;
     std::unique_ptr<ImplOutDevData>                 mpOutDevData;
     std::vector< VCLXGraphics* >*   mpUnoGraphicsList;
-    vcl::PDFWriterImpl*             mpPDFWriter;
+    VclPtr<OutputDevice>            mpPDFWriter;
     vcl::ExtOutDevData*             mpExtOutDevData;
 
     // TEMP TEMP TEMP
@@ -550,7 +549,7 @@ public:
     */
     bool                        SupportsOperation( OutDevSupportType ) const;
 
-    vcl::PDFWriterImpl*         GetPDFWriter() const { return mpPDFWriter; }
+    vcl::PDFWriterImpl*         GetPDFWriter() const;
 
     void                        SetExtOutDevData( vcl::ExtOutDevData* pExtOutDevData ) { mpExtOutDevData = pExtOutDevData; }
     vcl::ExtOutDevData*         GetExtOutDevData() const { return mpExtOutDevData; }
@@ -1181,12 +1180,13 @@ public:
                                               vcl::TextLayoutCache const* = nullptr) const;
     std::shared_ptr<vcl::TextLayoutCache> CreateTextLayoutCache(OUString const&) const;
 
-private:
-    SAL_DLLPRIVATE void         ImplInitTextColor();
-
+protected:
     SAL_DLLPRIVATE void         ImplInitTextLineSize();
     SAL_DLLPRIVATE void         ImplInitAboveTextLineSize();
-
+    static
+    SAL_DLLPRIVATE long         ImplGetTextLines( ImplMultiTextLineInfo& rLineInfo, long nWidth, const OUString& rStr, DrawTextFlags nStyle, const vcl::ITextLayout& _rLayout );
+private:
+    SAL_DLLPRIVATE void         ImplInitTextColor();
 
     SAL_DLLPRIVATE void         ImplDrawTextDirect( SalLayout&, bool bTextLines);
     SAL_DLLPRIVATE void         ImplDrawSpecialText( SalLayout& );
@@ -1202,8 +1202,6 @@ private:
     SAL_DLLPRIVATE void         ImplDrawMnemonicLine( long nX, long nY, long nWidth );
 
 
-    static
-    SAL_DLLPRIVATE long         ImplGetTextLines( ImplMultiTextLineInfo& rLineInfo, long nWidth, const OUString& rStr, DrawTextFlags nStyle, const vcl::ITextLayout& _rLayout );
     ///@}
 
 
@@ -1289,12 +1287,15 @@ public:
     SAL_DLLPRIVATE static void  ImplUpdateAllFontData( bool bNewFontLists );
 
 protected:
+    SAL_DLLPRIVATE const LogicalFontInstance* GetFontInstance() const;
+    SAL_DLLPRIVATE long GetEmphasisAscent() const { return mnEmphasisAscent; }
+    SAL_DLLPRIVATE long GetEmphasisDescent() const { return mnEmphasisDescent; }
+    SAL_DLLPRIVATE void SetPDFWriter(vcl::PDFWriterImpl* pPDFWriter);
 
     virtual void                InitFont() const;
     virtual void                SetFontOrientation( LogicalFontInstance* const pFontInstance ) const;
     virtual long                GetFontExtLeading() const;
 
-
 private:
 
     typedef void ( OutputDevice::* FontUpdateHandler_t )( bool );
@@ -1809,8 +1810,6 @@ public:
 
     SAL_DLLPRIVATE DeviceCoordinate LogicWidthToDeviceCoordinate( long nWidth ) const;
 
-private:
-
     /** Convert a logical X coordinate to a device pixel's X coordinate.
 
      To get the device's X coordinate, it must calculate the mapping offset
diff --git a/include/vcl/pdfwriter.hxx b/include/vcl/pdfwriter.hxx
index 04d3e472e649..751f698892f1 100644
--- a/include/vcl/pdfwriter.hxx
+++ b/include/vcl/pdfwriter.hxx
@@ -78,7 +78,11 @@ class VCL_DLLPUBLIC PDFOutputStream
 
 class VCL_DLLPUBLIC PDFWriter
 {
-    std::unique_ptr<PDFWriterImpl> xImplementation;
+    VclPtr<PDFWriterImpl> xImplementation;
+
+    PDFWriter(const PDFWriter&) = delete;
+    PDFWriter& operator=(const PDFWriter&) = delete;
+
 public:
     // extended line info
     enum CapType { capButt, capRound, capSquare };