PDFRasterizer.h

Go to the documentation of this file.

//---------------------------------------------------------------------------------------
// Copyright (c) 2001-2012 by PDFTron Systems Inc. All Rights Reserved.
// Consult legal.txt regarding legal and license information.
//---------------------------------------------------------------------------------------

#ifndef   PDFRasterizer_H
#define   PDFRasterizer_H

#include <PDF/Page.h>
#include <C/PDF/TRN_PDFRasterizer.h>
#include <PDF/OCG/Context.h>
#ifdef SWIG
#include <PDF/Callback.h>
#endif

namespace pdftron { 
        namespace PDF {

class PDFRasterizer
{
public:

        enum Type {
                e_BuiltIn,  
                e_GDIPlus   
        }; 

        enum OverprintPreviewMode {
                e_op_off = 0,
                e_op_on,
                e_op_pdfx_on
        };

        PDFRasterizer(Type type = e_BuiltIn);
        ~PDFRasterizer();

        std::vector<unsigned char> Rasterize(Page& page,
                                int width, int height, int stride, 
                                int num_comps, bool demult,
                                const Common::Matrix2D& device_mtx,
                                const Rect* clip = 0,
                                const Rect* scrl_clp_regions = 0,
                                volatile bool* cancel = 0);

#ifndef SWIG
        void Rasterize(Page& page, UChar* in_out_image_buffer, 
                                int width, int height, int stride, 
                                int num_comps, bool demult,
                                const Common::Matrix2D& device_mtx,
                                const Rect* clip = 0,
                                const Rect* scrl_clp_regions = 0,
                                volatile bool* cancel = 0);
#endif

#ifdef _WIN32
        void Rasterize(Page& page, void* hdc, 
                const Common::Matrix2D& device_mtx, 
                const Rect* clip = 0,
                int dpi = -1,
                volatile bool* cancel = 0);
#endif

        void SetDrawAnnotations(bool render_annots);

        void SetHighlightFields(bool highlight_fields);

        void SetAntiAliasing(bool enable_aa);

        void SetPathHinting(bool path_hinting);

        void SetThinLineAdjustment(bool pixel_grid_fit, bool stroke_adjust);

        void SetImageSmoothing(bool smoothing_enabled = true);

        void SetCaching(bool enabled = true);

        void SetGamma(double exp);

        void SetOCGContext(OCG::Context* ctx);

        void SetPrintMode(bool is_printing);

        void SetOverprint(OverprintPreviewMode op);

        typedef void (*ErrorReportProc) (const char* message, void* data);

#ifdef SWIG
        void SetErrorReportProc(Callback* instance);
#else
        void SetErrorReportProc(ErrorReportProc error_proc, void* data);
#endif

        void SetRasterizerType (Type type);

        Type GetRasterizerType ();

         void Destroy();

#ifndef SWIGHIDDEN
        TRN_PDFRasterizer mp_rast;
#endif
};


#include <Impl/PDFRasterizer.inl>

        
        };      // namespace PDF
};      // namespace pdftron

#endif 

---

© 2002-2012 PDFTron Systems Inc.