1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
 * This file is part of the LibreOffice project.
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 * This file incorporates work covered by the following license notice:
 *
 *   Licensed to the Apache Software Foundation (ASF) under one or more
 *   contributor license agreements. See the NOTICE file distributed
 *   with this work for additional information regarding copyright
 *   ownership. The ASF licenses this file to you under the Apache
 *   License, Version 2.0 (the "License"); you may not use this file
 *   except in compliance with the License. You may obtain a copy of
 *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
 */

#ifndef INCLUDED_CANVAS_SOURCE_CAIRO_CAIRO_CANVASBITMAP_HXX
#define INCLUDED_CANVAS_SOURCE_CAIRO_CAIRO_CANVASBITMAP_HXX

#include <cppuhelper/compbase.hxx>

#include <com/sun/star/lang/XServiceInfo.hpp>
#include <com/sun/star/rendering/XBitmapCanvas.hpp>
#include <com/sun/star/rendering/XIntegerBitmap.hpp>
#include <com/sun/star/beans/XFastPropertySet.hpp>
#include <comphelper/uno3.hxx>

#include <canvas/base/bitmapcanvasbase.hxx>
#include <canvas/base/basemutexhelper.hxx>
#include <canvas/base/integerbitmapbase.hxx>

#include "cairo_canvashelper.hxx"
#include "cairo_repainttarget.hxx"


/* Definition of CanvasBitmap class */

namespace cairocanvas
{
    typedef ::cppu::WeakComponentImplHelper< css::rendering::XBitmapCanvas,
                                             css::rendering::XIntegerBitmap,
                                             css::lang::XServiceInfo,
                                             css::beans::XFastPropertySet >   CanvasBitmapBase_Base;
    class CanvasBitmapSpriteSurface_Base :
        public ::canvas::BaseMutexHelper<CanvasBitmapBase_Base>,
        public SurfaceProvider
    {
    };

    typedef ::canvas::IntegerBitmapBase<
        canvas::BitmapCanvasBase2<
            CanvasBitmapSpriteSurface_Base,
            CanvasHelper,
            ::osl::MutexGuard,
            ::cppu::OWeakObject> > CanvasBitmap_Base;

    class CanvasBitmap : public CanvasBitmap_Base,
                         public RepaintTarget
    {
    public:
        /** Create a canvas bitmap for the given surface

            @param rSize
            Size of the bitmap

            @param rDevice
            Reference device, with which bitmap should be compatible
        */
        CanvasBitmap( const ::basegfx::B2ISize& rSize,
                      const SurfaceProviderRef& rDevice,
                      css::rendering::XGraphicDevice* pDevice,
                      bool                      bHasAlpha );

        /// Dispose all internal references
        virtual void disposeThis() override;

        // Forwarding the XComponent implementation to the
        // cppu::ImplHelper templated base
        //                                    Classname     Base doing refcounting        Base implementing the XComponent interface
        //                                       |                 |                            |
        //                                       V                 V                            V
        DECLARE_UNO3_XCOMPONENT_AGG_DEFAULTS( CanvasBitmap, CanvasBitmapBase_Base, ::cppu::WeakComponentImplHelperBase )<--- There is an unknown macro here somewhere. Configuration is required. If DECLARE_UNO3_XCOMPONENT_AGG_DEFAULTS is a macro then please configure it.<--- There is an unknown macro here somewhere. Configuration is required. If DECLARE_UNO3_XCOMPONENT_AGG_DEFAULTS is a macro then please configure it.<--- There is an unknown macro here somewhere. Configuration is required. If DECLARE_UNO3_XCOMPONENT_AGG_DEFAULTS is a macro then please configure it.

        // XServiceInfo
        virtual OUString SAL_CALL getImplementationName(  ) override;
        virtual sal_Bool SAL_CALL supportsService( const OUString& ServiceName ) override;
        virtual css::uno::Sequence< OUString > SAL_CALL getSupportedServiceNames(  ) override;

        // SurfaceProvider
        virtual ::cairo::SurfaceSharedPtr getSurface() override;
        virtual ::cairo::SurfaceSharedPtr createSurface( const ::basegfx::B2ISize& rSize, int aContent ) override;
        virtual ::cairo::SurfaceSharedPtr createSurface( ::Bitmap& rBitmap ) override;
        virtual ::cairo::SurfaceSharedPtr changeSurface() override;
        virtual OutputDevice* getOutputDevice() override;

        // RepaintTarget
        virtual bool repaint( const ::cairo::SurfaceSharedPtr&                pSurface,
                              const css::rendering::ViewState&   viewState,
                              const css::rendering::RenderState& renderState ) override;

        // XFastPropertySet
        // used to retrieve BitmapEx pointer or X Pixmap handles for this bitmap
        // handle values have these meanings:
        // 0 ... get pointer to BitmapEx
        // 1 ... get X pixmap handle to rgb content
        // 2 ... FIXME: leftover? ever called with this? always returns nothing (empty Any)
        // returned any contains either BitmapEx pointer or array of three Any value
        //     1st a bool value: true - free the pixmap after used by XFreePixmap, false do nothing, the pixmap is used internally in the canvas
        //     2nd the pixmap handle
        //     3rd the pixmap depth
        virtual css::uno::Any SAL_CALL getFastPropertyValue(sal_Int32 nHandle) override;
        virtual void SAL_CALL setFastPropertyValue(sal_Int32, const css::uno::Any&) override {}

    private:
        SurfaceProviderRef        mpSurfaceProvider;
        ::cairo::SurfaceSharedPtr mpBufferSurface;
        ::cairo::CairoSharedPtr   mpBufferCairo;

        const ::basegfx::B2ISize  maSize;
        const bool                mbHasAlpha;
    };
}

#endif // INCLUDED_CANVAS_SOURCE_CAIRO_CAIRO_CANVASBITMAP_HXX

/* vim:set shiftwidth=4 softtabstop=4 expandtab: */