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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 INCLUDED_CANVAS_SOURCE_CAIRO_CAIRO_SPRITECANVASHELPER_HXX
21 : #define INCLUDED_CANVAS_SOURCE_CAIRO_CAIRO_SPRITECANVASHELPER_HXX
22 :
23 : #include <com/sun/star/rendering/XSpriteCanvas.hpp>
24 : #include <com/sun/star/rendering/XIntegerBitmap.hpp>
25 :
26 : #include <canvas/spriteredrawmanager.hxx>
27 :
28 : #include "cairo_cairo.hxx"
29 : #include "cairo_canvashelper.hxx"
30 :
31 : namespace basegfx
32 : {
33 : class B2IRange;
34 : }
35 :
36 : namespace cairocanvas
37 : {
38 : class SpriteCanvas;
39 :
40 0 : class SpriteCanvasHelper : public CanvasHelper
41 : {
42 : public:
43 : SpriteCanvasHelper();
44 :
45 : void init( ::canvas::SpriteRedrawManager& rManager,
46 : SpriteCanvas& rOwningSpriteCanvas,
47 : const ::basegfx::B2ISize& rSize );
48 :
49 : /// Dispose all internal references
50 : void disposing();
51 :
52 : // XSpriteCanvas
53 : ::com::sun::star::uno::Reference<
54 : ::com::sun::star::rendering::XAnimatedSprite > createSpriteFromAnimation(
55 : const ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XAnimation >& animation );
56 :
57 : ::com::sun::star::uno::Reference<
58 : ::com::sun::star::rendering::XAnimatedSprite > createSpriteFromBitmaps(
59 : const ::com::sun::star::uno::Sequence<
60 : ::com::sun::star::uno::Reference<
61 : ::com::sun::star::rendering::XBitmap > >& animationBitmaps,
62 : sal_Int8 interpolationMode );
63 :
64 : ::com::sun::star::uno::Reference<
65 : ::com::sun::star::rendering::XCustomSprite > createCustomSprite(
66 : const ::com::sun::star::geometry::RealSize2D& spriteSize );
67 :
68 : ::com::sun::star::uno::Reference<
69 : ::com::sun::star::rendering::XSprite > createClonedSprite(
70 : const ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XSprite >& original );
71 :
72 : /** Actually perform the screen update
73 :
74 : @param rCurrArea
75 : Current window area in absolute screen coordinates
76 :
77 : @param bUpdateAll
78 : sal_True, if everything must be updated, not only changed
79 : sprites
80 :
81 : @param io_bSurfaceDirty
82 : In/out parameter, whether backbuffer surface is dirty (if
83 : yes, we're performing a full update, anyway)
84 : */
85 : bool updateScreen( const ::basegfx::B2IRange& rCurrArea,
86 : bool bUpdateAll,
87 : bool& io_bSurfaceDirty );
88 :
89 :
90 : // SpriteRedrawManager functor calls
91 :
92 :
93 : /** Gets called for simple background repaints
94 : */
95 : void backgroundPaint( const ::basegfx::B2DRange& rUpdateRect );
96 :
97 : /** Gets called when area can be handled by scrolling.
98 :
99 : Called method must copy screen content from rMoveStart to
100 : rMoveEnd, and restore the background in the uncovered
101 : areas.
102 :
103 : @param rMoveStart
104 : Source rect of the scroll
105 :
106 : @param rMoveEnd
107 : Dest rect of the scroll
108 :
109 : @param rUpdateArea
110 : All info necessary, should rMoveStart be partially or
111 : fully outside the outdev
112 : */
113 : void scrollUpdate( const ::basegfx::B2DRange& rMoveStart,
114 : const ::basegfx::B2DRange& rMoveEnd,
115 : const ::canvas::SpriteRedrawManager::UpdateArea& rUpdateArea );
116 :
117 : void opaqueUpdate( const ::basegfx::B2DRange& rTotalArea,
118 : const ::std::vector< ::canvas::Sprite::Reference >& rSortedUpdateSprites );
119 :
120 : void genericUpdate( const ::basegfx::B2DRange& rTotalArea,
121 : const ::std::vector< ::canvas::Sprite::Reference >& rSortedUpdateSprites );
122 :
123 : private:
124 : ::cairo::SurfaceSharedPtr getCompositingSurface( const ::basegfx::B2ISize& rNeededSize );
125 : ::cairo::SurfaceSharedPtr getTemporarySurface();
126 : ::cairo::SurfaceSharedPtr createSurface( const ::basegfx::B2ISize& rNeededSize ) const;
127 :
128 : /// Set from the SpriteCanvas: instance coordinating sprite redraw
129 : ::canvas::SpriteRedrawManager* mpRedrawManager;
130 :
131 : /// Set from the init method. used to generate sprites
132 : SpriteCanvas* mpOwningSpriteCanvas;
133 :
134 : /// a surface used to composite the frontbuffer image
135 : ::cairo::SurfaceSharedPtr mpCompositingSurface;
136 : ::basegfx::B2ISize maCompositingSurfaceSize;
137 : bool mbCompositingSurfaceDirty;
138 : /// a temporary surface that is guaranteed to be the same size
139 : //as the compositing surface
140 : ::cairo::SurfaceSharedPtr mpTemporarySurface;
141 : };
142 : }
143 :
144 : #endif // INCLUDED_CANVAS_SOURCE_CAIRO_CAIRO_SPRITECANVASHELPER_HXX
145 :
146 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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