objectcontact.hxx

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#ifndef INCLUDED_SVX_SDR_CONTACT_OBJECTCONTACT_HXX
#define INCLUDED_SVX_SDR_CONTACT_OBJECTCONTACT_HXX
 
#include <svx/sdr/animation/objectanimator.hxx>
#include <svx/sdr/animation/animationstate.hxx>
#include <svx/svxdllapi.h>
#include <drawinglayer/geometry/viewinformation2d.hxx>
 
class SdrLayerIDSet;
namespace tools { class Rectangle; }
class SdrPageView;
class OutputDevice;
 
namespace basegfx {
    class B2DRange;
    class B2DHomMatrix;
}
 
namespace sdr::contact {
 
class DisplayInfo;
class ViewContact;
class ViewObjectContactRedirector;
 
class SVXCORE_DLLPUBLIC ObjectContact
{
private:
    // make ViewObjectContact a friend to exclusively allow it to use
    // AddViewObjectContact/RemoveViewObjectContact
    friend class ViewObjectContact;
 
    // All VOCs which are created using this OC, thus remembering this OC
    // as a reference. All those VOCs need to be deleted when the OC goes down.
    // Registering and de-registering is done in the VOC constructors/destructors.
    std::vector< ViewObjectContact* >               maViewObjectContactVector;
 
    // A new ViewObjectContact was created and shall be remembered.
    void AddViewObjectContact(ViewObjectContact& rVOContact);
 
    // A ViewObjectContact was deleted and shall be forgotten.
    void RemoveViewObjectContact(ViewObjectContact& rVOContact);
 
    // the primitiveAnimator which is used if this View and/or the contained primitives
    // support animatedSwitchPrimitives
    sdr::animation::primitiveAnimator               maPrimitiveAnimator;
 
    // The redirector. If set it is used to pipe all supported calls
    // to the redirector
    ViewObjectContactRedirector*                    mpViewObjectContactRedirector;
 
    // the Primitive2DParameters containing view information
    drawinglayer::geometry::ViewInformation2D       maViewInformation2D;
 
    // flag for preview renderer
    bool                                            mbIsPreviewRenderer : 1;
 
protected:
    // Interface to allow derivates to travel over the registered VOC's
    sal_uInt32 getViewObjectContactCount() const { return maViewObjectContactVector.size(); }
    ViewObjectContact* getViewObjectContact(sal_uInt32 a) const { return maViewObjectContactVector[a]; }
 
    // interface to allow derivates to set PreviewRenderer flag
    void setPreviewRenderer(bool bNew) { mbIsPreviewRenderer = bNew; }
 
    // interface to allow derivates to set ViewInformation2D
    void updateViewInformation2D(const drawinglayer::geometry::ViewInformation2D& rViewInformation2D) { maViewInformation2D = rViewInformation2D; }
 
public:
    // basic constructor
    ObjectContact();
    virtual ~ObjectContact() COVERITY_NOEXCEPT_FALSE;
 
    // LazyInvalidate request. This is used from the VOCs to mark that they
    // got invalidated by an ActionChanged() call. An active view needs to remember
    // this and take action on it. Default implementation directly calls back
    // triggerLazyInvalidate() which promptly handles the request
    virtual void setLazyInvalidate(ViewObjectContact& rVOC);
 
    // call this to support evtl. preparations for repaint. Default does nothing
    virtual void PrepareProcessDisplay();
 
    // Process the whole displaying
    virtual void ProcessDisplay(DisplayInfo& rDisplayInfo);
 
    // test if visualizing of entered groups is switched on at all. Default
    // implementation returns sal_False.
    virtual bool DoVisualizeEnteredGroup() const;
 
    // get active group's (the entered group) ViewContact
    virtual const ViewContact* getActiveViewContact() const;
 
    // Invalidate given rectangle at the window/output which is represented by
    // this ObjectContact. Default does nothing.
    virtual void InvalidatePartOfView(const basegfx::B2DRange& rRange) const;
 
    // Get info about the need to visualize GluePoints. The default
    // is that it is not necessary.
    virtual bool AreGluePointsVisible() const;
 
    // method to get the primitiveAnimator
    sdr::animation::primitiveAnimator& getPrimitiveAnimator() {  return maPrimitiveAnimator; }
 
    // check if text animation is allowed. Default is sal_true.
    virtual bool IsTextAnimationAllowed() const;
 
    // check if graphic animation is allowed. Default is sal_true.
    virtual bool IsGraphicAnimationAllowed() const;
 
    // access to ViewObjectContactRedirector
    ViewObjectContactRedirector* GetViewObjectContactRedirector() const {  return mpViewObjectContactRedirector; }
    void SetViewObjectContactRedirector(ViewObjectContactRedirector* pNew);
 
    // print? Default is false
    virtual bool isOutputToPrinter() const;
 
    // recording MetaFile? Default is false
    virtual bool isOutputToRecordingMetaFile() const;
 
    // pdf export? Default is false
    virtual bool isOutputToPDFFile() const;
    virtual bool isExportTaggedPDF() const;
 
    // gray display mode
    virtual bool isDrawModeGray() const;
 
    // high contrast display mode
    virtual bool isDrawModeHighContrast() const;
 
    // check if this is a preview renderer. Default is sal_False.
    bool IsPreviewRenderer() const { return mbIsPreviewRenderer; }
 
    // get Primitive2DParameters for this view
    const drawinglayer::geometry::ViewInformation2D& getViewInformation2D() const { return maViewInformation2D; }
 
    virtual SdrPageView* TryToGetSdrPageView() const;
 
    virtual OutputDevice* TryToGetOutputDevice() const;
 
    // interface to support GridOffset for non-linear ViewToDevice transformation (calc)
    virtual bool supportsGridOffsets() const;
    virtual void calculateGridOffsetForViewOjectContact(
        basegfx::B2DVector& rTarget,
        const ViewObjectContact& rClient) const;
    virtual void calculateGridOffsetForB2DRange(
        basegfx::B2DVector& rTarget,
        const basegfx::B2DRange& rB2DRange) const;
    void resetAllGridOffsets();
};
 
}
 
 
#endif // INCLUDED_SVX_SDR_CONTACT_OBJECTCONTACT_HXX
 
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