graphichelper.hxx

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#ifndef INCLUDED_OOX_HELPER_GRAPHICHELPER_HXX
#define INCLUDED_OOX_HELPER_GRAPHICHELPER_HXX
 
#include <map>
 
#include <com/sun/star/awt/DeviceInfo.hpp>
#include <com/sun/star/uno/Reference.hxx>
#include <oox/dllapi.h>
#include <oox/helper/binarystreambase.hxx>
#include <oox/helper/helper.hxx>
#include <oox/helper/storagebase.hxx>
#include <rtl/ustring.hxx>
#include <sal/types.h>
#include <com/sun/star/graphic/XGraphicProvider2.hpp>
#include <com/sun/star/graphic/XGraphicMapper.hpp>
#include <vcl/vclptr.hxx>
 
struct WmfExternal;
class OutputDevice;
 
namespace com::sun::star {
    namespace awt { struct Point; }
    namespace awt { struct Size; }
    namespace awt { class XUnitConversion; }
    namespace io { class XInputStream; }
    namespace frame { class XFrame; }
    namespace graphic { class XGraphic; }
    namespace graphic { class XGraphicObject; }
    namespace graphic { class XGraphicProvider; }
    namespace uno { class XComponentContext; }
}
 
namespace oox {
 
 
class OOX_DLLPUBLIC GraphicHelper
{
public:
    explicit            GraphicHelper(
                            const css::uno::Reference< css::uno::XComponentContext >& rxContext,
                            const css::uno::Reference< css::frame::XFrame >& rxTargetFrame,
                            StorageRef xStorage );
    virtual             ~GraphicHelper();
 
    // Avoid implicitly defined copy constructors/assignments for the DLLPUBLIC class (they may
    // require forward-declared classes used internally to be defined in places using GraphicHelper)
    GraphicHelper(const GraphicHelper&) = delete;
    GraphicHelper(GraphicHelper&&) = delete;
    GraphicHelper& operator=(const GraphicHelper&) = delete;
    GraphicHelper& operator=(GraphicHelper&&) = delete;
 
    // System colors and predefined colors ------------------------------------
 
    ::Color            getSystemColor( sal_Int32 nToken, ::Color nDefaultRgb = API_RGB_TRANSPARENT ) const;
    virtual ::Color    getSchemeColor( sal_Int32 nToken ) const;
    virtual ::Color    getPaletteColor( sal_Int32 nPaletteIdx ) const;
 
    virtual sal_Int32 getDefaultChartAreaFillStyle() const;
 
    static sal_Int32 getDefaultChartAreaLineStyle();
 
    static sal_Int16 getDefaultChartAreaLineWidth();
 
    // Device info and device dependent unit conversion -----------------------
 
    const css::awt::DeviceInfo& getDeviceInfo() const { return maDeviceInfo;}
 
    sal_Int32           convertScreenPixelXToHmm( double fPixelX ) const;
    sal_Int32           convertScreenPixelYToHmm( double fPixelY ) const;
    css::awt::Size convertScreenPixelToHmm( const css::awt::Size& rPixel ) const;
 
    double              convertHmmToScreenPixelX( sal_Int32 nHmmX ) const;
    double              convertHmmToScreenPixelY( sal_Int32 nHmmY ) const;
    css::awt::Point convertHmmToScreenPixel( const css::awt::Point& rHmm ) const;
    css::awt::Size convertHmmToScreenPixel( const css::awt::Size& rHmm ) const;
 
    css::awt::Point convertHmmToAppFont( const css::awt::Point& rHmm ) const;
    css::awt::Size convertHmmToAppFont( const css::awt::Size& rHmm ) const;
 
 
    // Graphics and graphic objects  ------------------------------------------
 
    css::uno::Reference< css::graphic::XGraphic >
                        importGraphic(
                            const css::uno::Reference< css::io::XInputStream >& rxInStrm,
                            const WmfExternal* pExtHeader = nullptr ) const;
 
    css::uno::Reference< css::graphic::XGraphic >
                        importGraphic( const StreamDataSequence& rGraphicData ) const;
 
    css::uno::Reference< css::graphic::XGraphic >
                        importEmbeddedGraphic(
                            const OUString& rStreamName,
                            const WmfExternal* pExtHeader = nullptr ) const;
 
    css::awt::Size getOriginalSize( const css::uno::Reference< css::graphic::XGraphic >& rxGraphic ) const;
 
    void setGraphicMapper(css::uno::Reference<css::graphic::XGraphicMapper> const & rxGraphicMapper);
 
    void initializeGraphicMapperIfNeeded() const;
private:
 
    css::uno::Reference< css::uno::XComponentContext > mxContext;
    css::uno::Reference< css::graphic::XGraphicProvider2 > mxGraphicProvider;
    VclPtr<OutputDevice> mxDefaultOutputDevice;
    css::awt::DeviceInfo maDeviceInfo; 
    ::std::map< sal_Int32, ::Color >  maSystemPalette;  
    StorageRef          mxStorage;                  
    double              mfPixelPerHmmX;             
    double              mfPixelPerHmmY;             
    css::uno::Reference<css::graphic::XGraphicMapper> mxGraphicMapper;
};
 
 
} // namespace oox
 
#endif
 
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