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1 : : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 : : /*
3 : : * This file is part of the LibreOffice project.
4 : : *
5 : : * This Source Code Form is subject to the terms of the Mozilla Public
6 : : * License, v. 2.0. If a copy of the MPL was not distributed with this
7 : : * file, You can obtain one at http://mozilla.org/MPL/2.0/.
8 : : *
9 : : * This file incorporates work covered by the following license notice:
10 : : *
11 : : * Licensed to the Apache Software Foundation (ASF) under one or more
12 : : * contributor license agreements. See the NOTICE file distributed
13 : : * with this work for additional information regarding copyright
14 : : * ownership. The ASF licenses this file to you under the Apache
15 : : * License, Version 2.0 (the "License"); you may not use this file
16 : : * except in compliance with the License. You may obtain a copy of
17 : : * the License at http://www.apache.org/licenses/LICENSE-2.0 .
18 : : */
19 : :
20 : : #ifndef _CAIROCANVAS_DEVICEHELPER_HXX
21 : : #define _CAIROCANVAS_DEVICEHELPER_HXX
22 : :
23 : : #include <com/sun/star/awt/Rectangle.hpp>
24 : : #include <com/sun/star/rendering/XGraphicDevice.hpp>
25 : : #include <com/sun/star/rendering/XBufferController.hpp>
26 : :
27 : : #include <boost/utility.hpp>
28 : :
29 : : #include <vcl/window.hxx>
30 : : #include <vcl/bitmap.hxx>
31 : :
32 : : #include "cairo_cairo.hxx"
33 : : #include "cairo_surfaceprovider.hxx"
34 : :
35 : : /* Definition of DeviceHelper class */
36 : :
37 : : namespace cairocanvas
38 : : {
39 : 0 : class DeviceHelper : private ::boost::noncopyable
40 : : {
41 : : public:
42 : : DeviceHelper();
43 : :
44 : : /** init helper
45 : :
46 : : @param rCanvas
47 : : Owning canvas.
48 : :
49 : : @param rRefDevice
50 : : Reference output device. Needed for resolution
51 : : calculations etc.
52 : : */
53 : : void init( SurfaceProvider& rSurfaceProvider,
54 : : OutputDevice& rRefDevice );
55 : :
56 : : /// Dispose all internal references
57 : : void disposing();
58 : :
59 : : // XWindowGraphicDevice
60 : : ::com::sun::star::geometry::RealSize2D getPhysicalResolution();
61 : : ::com::sun::star::geometry::RealSize2D getPhysicalSize();
62 : : ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XLinePolyPolygon2D > createCompatibleLinePolyPolygon(
63 : : const ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XGraphicDevice >& rDevice,
64 : : const ::com::sun::star::uno::Sequence< ::com::sun::star::uno::Sequence< ::com::sun::star::geometry::RealPoint2D > >& points );
65 : : ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XBezierPolyPolygon2D > createCompatibleBezierPolyPolygon(
66 : : const ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XGraphicDevice >& rDevice,
67 : : const ::com::sun::star::uno::Sequence< ::com::sun::star::uno::Sequence< ::com::sun::star::geometry::RealBezierSegment2D > >& points );
68 : : ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XBitmap > createCompatibleBitmap(
69 : : const ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XGraphicDevice >& rDevice,
70 : : const ::com::sun::star::geometry::IntegerSize2D& size );
71 : : ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XVolatileBitmap > createVolatileBitmap(
72 : : const ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XGraphicDevice >& rDevice,
73 : : const ::com::sun::star::geometry::IntegerSize2D& size );
74 : : ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XBitmap > createCompatibleAlphaBitmap(
75 : : const ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XGraphicDevice >& rDevice,
76 : : const ::com::sun::star::geometry::IntegerSize2D& size );
77 : : ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XVolatileBitmap > createVolatileAlphaBitmap(
78 : : const ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XGraphicDevice >& rDevice,
79 : : const ::com::sun::star::geometry::IntegerSize2D& size );
80 : : sal_Bool hasFullScreenMode( );
81 : : sal_Bool enterFullScreenMode( sal_Bool bEnter );
82 : :
83 : : ::com::sun::star::uno::Any isAccelerated() const;
84 : : ::com::sun::star::uno::Any getDeviceHandle() const;
85 : : ::com::sun::star::uno::Any getSurfaceHandle() const;
86 : : ::com::sun::star::uno::Reference<
87 : : ::com::sun::star::rendering::XColorSpace > getColorSpace() const;
88 : :
89 : : /** called when DumpScreenContent property is enabled on
90 : : XGraphicDevice, and writes out bitmaps of current screen.
91 : : */
92 : : void dumpScreenContent() const;
93 : :
94 : 0 : OutputDevice* getOutputDevice() const { return mpRefDevice; }
95 : : const void* getSysData() { return mpSysData; }
96 : : ::cairo::SurfaceSharedPtr getSurface();
97 : : ::cairo::SurfaceSharedPtr createSurface( const ::basegfx::B2ISize& rSize, ::cairo::Content aContent = CAIRO_CONTENT_COLOR_ALPHA );
98 : : ::cairo::SurfaceSharedPtr createSurface( BitmapSystemData& rData, const Size& rSize );
99 : :
100 : : protected:
101 : : /** init helper
102 : :
103 : : @param rCanvas
104 : : Owning canvas.
105 : :
106 : : @param rRefDevice
107 : : Reference output device. Needed for resolution
108 : : calculations etc.
109 : : */
110 : : void implInit( SurfaceProvider& rSurfaceProvider,
111 : : OutputDevice& rRefDevice );
112 : : void setSize( const ::basegfx::B2ISize& rSize );
113 : :
114 : : private:
115 : : /** Surface provider
116 : :
117 : : Deliberately not a refcounted reference, because of
118 : : potential circular references for canvas. Provides us with
119 : : our output surface and associated functionality.
120 : : */
121 : : SurfaceProvider* mpSurfaceProvider;
122 : :
123 : : OutputDevice* mpRefDevice;
124 : : const void* mpSysData;
125 : : ::cairo::SurfaceSharedPtr mpSurface;
126 : : };
127 : : }
128 : :
129 : : #endif
130 : :
131 : : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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