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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 : #include <canvas/debug.hxx>
21 : #include <canvas/verbosetrace.hxx>
22 : #include <cppuhelper/supportsservice.hxx>
23 : #include <tools/diagnose_ex.h>
24 :
25 : #include <rtl/math.hxx>
26 :
27 : #include <canvas/canvastools.hxx>
28 :
29 : #include <basegfx/matrix/b2dhommatrix.hxx>
30 : #include <basegfx/point/b2dpoint.hxx>
31 :
32 : #include "cairo_canvascustomsprite.hxx"
33 : #include "cairo_spritecanvas.hxx"
34 :
35 :
36 : using namespace ::cairo;
37 : using namespace ::com::sun::star;
38 :
39 : namespace cairocanvas
40 : {
41 0 : CanvasCustomSprite::CanvasCustomSprite( const ::com::sun::star::geometry::RealSize2D& rSpriteSize,
42 : const SpriteCanvasRef& rRefDevice ) :
43 : mpSpriteCanvas( rRefDevice ),
44 : maSize( ::canvas::tools::roundUp( rSpriteSize.Width ),
45 0 : ::canvas::tools::roundUp( rSpriteSize.Height ) )
46 : {
47 0 : ENSURE_OR_THROW( rRefDevice.get(),
48 : "CanvasCustomSprite::CanvasCustomSprite(): Invalid sprite canvas" );
49 :
50 : SAL_INFO( "canvas.cairo", "sprite size: " << ::canvas::tools::roundUp( rSpriteSize.Width ) << ", " << ::canvas::tools::roundUp( rSpriteSize.Height ));
51 :
52 0 : mpBufferSurface = mpSpriteCanvas->createSurface( maSize );
53 :
54 : maCanvasHelper.init( maSize,
55 0 : *rRefDevice,
56 0 : rRefDevice.get() );
57 0 : maCanvasHelper.setSurface( mpBufferSurface, true );
58 :
59 : maSpriteHelper.init( rSpriteSize,
60 0 : rRefDevice );
61 0 : maSpriteHelper.setSurface( mpBufferSurface );
62 :
63 : // clear sprite to 100% transparent
64 0 : maCanvasHelper.clear();
65 0 : }
66 :
67 0 : void CanvasCustomSprite::disposeThis()
68 : {
69 0 : ::osl::MutexGuard aGuard( m_aMutex );
70 :
71 0 : mpSpriteCanvas.clear();
72 0 : mpBufferSurface.reset();
73 :
74 : // forward to parent
75 0 : CanvasCustomSpriteBaseT::disposeThis();
76 0 : }
77 :
78 0 : void CanvasCustomSprite::redraw( const CairoSharedPtr& pCairo,
79 : bool bBufferedUpdate ) const
80 : {
81 0 : ::osl::MutexGuard aGuard( m_aMutex );
82 :
83 0 : redraw( pCairo, maSpriteHelper.getPosPixel(), bBufferedUpdate );
84 0 : }
85 :
86 0 : void CanvasCustomSprite::redraw( const CairoSharedPtr& pCairo,
87 : const ::basegfx::B2DPoint& rOrigOutputPos,
88 : bool bBufferedUpdate ) const
89 : {
90 0 : ::osl::MutexGuard aGuard( m_aMutex );
91 :
92 : maSpriteHelper.redraw( pCairo,
93 : rOrigOutputPos,
94 : mbSurfaceDirty,
95 0 : bBufferedUpdate );
96 :
97 0 : mbSurfaceDirty = false;
98 0 : }
99 :
100 0 : bool CanvasCustomSprite::repaint( const SurfaceSharedPtr& pSurface,
101 : const rendering::ViewState& viewState,
102 : const rendering::RenderState& renderState )
103 : {
104 0 : return maCanvasHelper.repaint( pSurface, viewState, renderState );
105 : }
106 :
107 0 : SurfaceSharedPtr CanvasCustomSprite::getSurface()
108 : {
109 0 : return mpBufferSurface;
110 : }
111 :
112 0 : SurfaceSharedPtr CanvasCustomSprite::createSurface( const ::basegfx::B2ISize& rSize, int aContent )
113 : {
114 0 : return mpSpriteCanvas->createSurface(rSize,aContent);
115 : }
116 :
117 0 : SurfaceSharedPtr CanvasCustomSprite::createSurface( ::Bitmap& rBitmap )
118 : {
119 0 : return mpSpriteCanvas->createSurface(rBitmap);
120 : }
121 :
122 0 : SurfaceSharedPtr CanvasCustomSprite::changeSurface( bool bHasAlpha, bool bCopyContent )
123 : {
124 0 : if( !bHasAlpha && !bCopyContent )
125 : {
126 : SAL_INFO( "canvas.cairo", "replacing sprite background surface");
127 :
128 0 : mpBufferSurface = mpSpriteCanvas->createSurface( maSize, CAIRO_CONTENT_COLOR );
129 0 : maSpriteHelper.setSurface( mpBufferSurface );
130 :
131 0 : return mpBufferSurface;
132 : }
133 :
134 0 : return SurfaceSharedPtr();
135 : }
136 :
137 0 : OutputDevice* CanvasCustomSprite::getOutputDevice()
138 : {
139 0 : return mpSpriteCanvas->getOutputDevice();
140 : }
141 :
142 0 : OUString SAL_CALL CanvasCustomSprite::getImplementationName() throw( uno::RuntimeException, std::exception )
143 : {
144 0 : return OUString( "CairoCanvas.CanvasCustomSprite" );
145 : }
146 :
147 0 : sal_Bool SAL_CALL CanvasCustomSprite::supportsService( const OUString& ServiceName ) throw( uno::RuntimeException, std::exception )
148 : {
149 0 : return cppu::supportsService( this, ServiceName );
150 : }
151 :
152 0 : uno::Sequence< OUString > SAL_CALL CanvasCustomSprite::getSupportedServiceNames() throw( uno::RuntimeException, std::exception )
153 : {
154 0 : uno::Sequence< OUString > aRet(1);
155 0 : aRet[0] = "com.sun.star.rendering.CanvasCustomSprite";
156 :
157 0 : return aRet;
158 : }
159 6 : }
160 :
161 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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