cairo_print.h

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/*
 * Copyright (C) 2018 CERN
 * Copyright (C) 2020-2021 KiCad Developers, see AUTHORS.txt for contributors.
 *
 * Author: Maciej Suminski <[email protected]>
 * Author: Tomasz Wlostowski <[email protected]>
 *
 * This program is free software: you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the
 * Free Software Foundation, either version 3 of the License, or (at your
 * option) any later version.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
#ifndef _CAIRO_PRINT_H_
#define _CAIRO_PRINT_H_
 
#include <gal/cairo/cairo_gal.h>
#include <gal/gal_print.h>
 
class wxDC;
class wxGCDC;
 
namespace KIGFX
{
class CAIRO_PRINT_CTX : public PRINT_CONTEXT
{
public:
    CAIRO_PRINT_CTX( wxDC* aDC );
    ~CAIRO_PRINT_CTX();
 
    cairo_t* GetContext() const
    {
        return m_ctx;
    }
 
    cairo_surface_t* GetSurface() const
    {
        return m_surface;
    }
 
    double GetNativeDPI() const override
    {
        return m_dpi;
    }
 
    bool HasNativeLandscapeRotation() const override
    {
#if defined(__WXGTK__) && !defined(__WXGTK3__)
        return false;
#else
        return true;
#endif
    }
 
private:
    wxGCDC* m_gcdc;
    cairo_t* m_ctx;
    cairo_surface_t* m_surface;
 
#ifdef __WXMSW__
    void* m_hdc;        // the real type is HDC, but do not pull in extra headers
#endif /* __WXMSW__ */
 
    double m_dpi;
};
 
 
class CAIRO_PRINT_GAL : public CAIRO_GAL_BASE, public GAL_PRINT
{
public:
    CAIRO_PRINT_GAL( GAL_DISPLAY_OPTIONS& aDisplayOptions,
                     std::unique_ptr<CAIRO_PRINT_CTX> aContext );
 
    void ComputeWorldScreenMatrix() override;
 
    GAL* GetGAL() override
    {
        return this;
    }
 
    PRINT_CONTEXT* GetPrintCtx() const override
    {
        return m_printCtx.get();
    }
 
    void SetNativePaperSize( const VECTOR2D& aSize, bool aRotateIfLandscape ) override;
 
    void SetSheetSize( const VECTOR2D& aSize ) override;
 
private:
    bool isLandscape() const
    {
        return m_nativePaperSize.x > m_nativePaperSize.y;
    }
 
    VECTOR2D m_nativePaperSize;
 
    bool m_hasNativeLandscapeRotation;
 
    std::unique_ptr<CAIRO_PRINT_CTX> m_printCtx;
};
} // namespace KIGFX
 
#endif /* _CAIRO_PRINT_H_ */