Line data Source code
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 _VCLCANVAS_SPRITEHELPER_HXX
21 : #define _VCLCANVAS_SPRITEHELPER_HXX
22 :
23 : #include <com/sun/star/rendering/XCustomSprite.hpp>
24 :
25 : #include <vcl/virdev.hxx>
26 :
27 : #include <canvas/base/canvascustomspritehelper.hxx>
28 : #include <canvas/base/spritesurface.hxx>
29 : #include <canvas/vclwrapper.hxx>
30 :
31 : #include "backbuffer.hxx"
32 : #include "impltools.hxx"
33 : #include "spritecanvas.hxx"
34 :
35 :
36 : namespace vclcanvas
37 : {
38 : /* Definition of SpriteHelper class */
39 :
40 : /** Helper class for canvas sprites.
41 :
42 : This class implements all sprite-related functionality, like
43 : that available on the XSprite interface.
44 : */
45 0 : class SpriteHelper : public ::canvas::CanvasCustomSpriteHelper
46 : {
47 : public:
48 : SpriteHelper();
49 :
50 : // make CanvasCustomSpriteHelper::init visible for name lookup
51 : using ::canvas::CanvasCustomSpriteHelper::init;
52 :
53 : /** Late-init the sprite helper
54 :
55 : @param rSpriteSize
56 : Size of the sprite
57 :
58 : @param rSpriteCanvas
59 : Sprite canvas this sprite is part of. Object stores
60 : ref-counted reference to it, thus, don't forget to pass on
61 : disposing()!
62 :
63 : @param rBackBuffer
64 : Buffer of the sprite content (non-alpha part)
65 :
66 : @param rBackBufferMask
67 : Buffer of the sprite content (alpha part)
68 : */
69 : void init( const ::com::sun::star::geometry::RealSize2D& rSpriteSize,
70 : const ::canvas::SpriteSurface::Reference& rOwningSpriteCanvas,
71 : const BackBufferSharedPtr& rBackBuffer,
72 : const BackBufferSharedPtr& rBackBufferMask,
73 : bool bShowSpriteBounds );
74 :
75 : void disposing();
76 :
77 : /** Repaint sprite content to associated sprite canvas
78 :
79 : @param rPos
80 : Output position (sprite's own position is disregarded)
81 :
82 : @param io_bSurfacesDirty
83 : When true, the referenced sprite surfaces (backBuffer and
84 : backBufferMask) have been modified since last call.
85 :
86 : @param bBufferedUpdate
87 : When true, the redraw does <em>not</em> happen directly on
88 : the front buffer, but within a VDev. Used to speed up
89 : drawing.
90 : */
91 : void redraw( OutputDevice& rOutDev,
92 : const ::basegfx::B2DPoint& rPos,
93 : bool& bSurfacesDirty,
94 : bool bBufferedUpdate ) const;
95 :
96 : private:
97 : virtual ::basegfx::B2DPolyPolygon polyPolygonFromXPolyPolygon2D(
98 : ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XPolyPolygon2D >& xPoly ) const;
99 :
100 : // for the redraw
101 : BackBufferSharedPtr mpBackBuffer;
102 : BackBufferSharedPtr mpBackBufferMask;
103 :
104 : /// Cached bitmap for the current sprite content
105 : mutable ::canvas::vcltools::VCLObject<BitmapEx> maContent;
106 :
107 : /// When true, line sprite corners in red
108 : bool mbShowSpriteBounds;
109 :
110 : };
111 : }
112 :
113 : #endif /* _VCLCANVAS_SPRITEHELPER_HXX */
114 :
115 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|