summaryrefslogtreecommitdiff
path: root/canvas/source/vcl/spritecanvashelper.hxx
blob: 0396217065fcaef759e159d11d6d3937dd5a8c29 (plain)
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
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
/* -*- 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_VCL_SPRITECANVASHELPER_HXX
#define INCLUDED_CANVAS_SOURCE_VCL_SPRITECANVASHELPER_HXX

#include <com/sun/star/rendering/XSpriteCanvas.hpp>
#include <com/sun/star/rendering/XIntegerBitmap.hpp>

#include <vcl/vclptr.hxx>
#include <vcl/virdev.hxx>

#include <canvas/spriteredrawmanager.hxx>
#include <canvas/elapsedtime.hxx>
#include <canvas/vclwrapper.hxx>
#include "canvashelper.hxx"
#include "impltools.hxx"


namespace vclcanvas
{
    class SpriteCanvas;

    class SpriteCanvasHelper : public CanvasHelper
    {
    public:
        SpriteCanvasHelper();
        ~SpriteCanvasHelper()

        void init( const OutDevProviderSharedPtr& rOutDev,
                   SpriteCanvas&                  rOwningSpriteCanvas,
                   ::canvas::SpriteRedrawManager& rManager,
                   bool                           bProtect,
                   bool                           bHaveAlpha );

        /// Dispose all internal references
        void disposing();

        // XSpriteCanvas
        ::com::sun::star::uno::Reference<
              ::com::sun::star::rendering::XAnimatedSprite >        createSpriteFromAnimation(
                const ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XAnimation >& animation );

        ::com::sun::star::uno::Reference<
              ::com::sun::star::rendering::XAnimatedSprite >        createSpriteFromBitmaps(
                const ::com::sun::star::uno::Sequence<
                      ::com::sun::star::uno::Reference<
                            ::com::sun::star::rendering::XBitmap > >& animationBitmaps,
                sal_Int8                                              interpolationMode );

        ::com::sun::star::uno::Reference<
              ::com::sun::star::rendering::XCustomSprite >      createCustomSprite(
                const ::com::sun::star::geometry::RealSize2D& spriteSize );

        ::com::sun::star::uno::Reference<
              ::com::sun::star::rendering::XSprite >                createClonedSprite(
                const ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XSprite >& original );

        /** Actually perform the screen update

            @param bUpdateAll
            sal_True, if everything must be updated, not only changed
            sprites

            @param io_bSurfaceDirty
            In/out parameter, whether backbuffer surface is dirty (if
            yes, we're performing a full update, anyway)
         */
        bool updateScreen( bool bUpdateAll,
                           bool&    io_bSurfaceDirty );

        // SpriteRedrawManager functor calls


        /** Gets called for simple background repaints
         */
        void backgroundPaint( const ::basegfx::B2DRange& rUpdateRect );

        /** Gets called when area can be handled by scrolling.

            Called method must copy screen content from rMoveStart to
            rMoveEnd, and restore the background in the uncovered
            areas.

            @param rMoveStart
            Source rect of the scroll

            @param rMoveEnd
            Dest rect of the scroll

            @param rUpdateArea
            All info necessary, should rMoveStart be partially or
            fully outside the outdev
         */
        void scrollUpdate( const ::basegfx::B2DRange&                           rMoveStart,
                           const ::basegfx::B2DRange&                           rMoveEnd,
                           const ::canvas::SpriteRedrawManager::UpdateArea&     rUpdateArea );

        void opaqueUpdate( const ::basegfx::B2DRange&                          rTotalArea,
                           const ::std::vector< ::canvas::Sprite::Reference >& rSortedUpdateSprites );

        void genericUpdate( const ::basegfx::B2DRange&                          rTotalArea,
                            const ::std::vector< ::canvas::Sprite::Reference >& rSortedUpdateSprites );

        ::com::sun::star::uno::Any isUnsafeScrolling() const
        {
            return ::com::sun::star::uno::makeAny(mbIsUnsafeScrolling);
        }
        void enableUnsafeScrolling( const ::com::sun::star::uno::Any& rAny )
        {
            mbIsUnsafeScrolling = rAny.get<bool>();
        }

        ::com::sun::star::uno::Any isSpriteBounds() const
        {
            return ::com::sun::star::uno::makeAny(mbShowSpriteBounds);
        }
        void enableSpriteBounds( const ::com::sun::star::uno::Any& rAny )
        {
            mbShowSpriteBounds = rAny.get<bool>();
        }

    private:
        void renderFrameCounter( OutputDevice& rOutDev );
        void renderSpriteCount( OutputDevice& rOutDev );
        void renderMemUsage( OutputDevice& rOutDev );

        /// Set from the SpriteCanvas: instance coordinating sprite redraw
        ::canvas::SpriteRedrawManager*                  mpRedrawManager;

        /// Set from the init method. used to generate sprites
        SpriteCanvas*                                   mpOwningSpriteCanvas;

        /** Background compositing surface.

            Typically, sprites will be composited in the background,
            before pushing them to screen. This happens here.
         */
        VclPtr< VirtualDevice > maVDev;

        /// For the frame counter timings
        ::canvas::tools::ElapsedTime                    maLastUpdate;

        /// When true, canvas displays debug info on each frame
        bool                                            mbShowFrameInfo;

        /// When true, canvas creates all new sprites with red lines in the corners
        bool                                            mbShowSpriteBounds;

        /// When true, canvas uses the scroll optimization (direct scrolls in front buffer)
        bool                                            mbIsUnsafeScrolling;
    };
}

#endif // INCLUDED_CANVAS_SOURCE_VCL_SPRITECANVASHELPER_HXX

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