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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 <svtools/DocumentToGraphicRenderer.hxx>
21 :
22 : #include <vcl/graphicfilter.hxx>
23 : #include <vcl/svapp.hxx>
24 : #include <vcl/outdev.hxx>
25 :
26 : #include <com/sun/star/awt/XDevice.hpp>
27 : #include <com/sun/star/text/XPageCursor.hpp>
28 : #include <com/sun/star/text/XTextViewCursorSupplier.hpp>
29 : #include <com/sun/star/beans/PropertyValues.hpp>
30 :
31 : #include <toolkit/helper/vclunohelper.hxx>
32 :
33 : using namespace css;
34 : using namespace css::uno;
35 : using namespace css::lang;
36 : using namespace css::beans;
37 :
38 0 : DocumentToGraphicRenderer::DocumentToGraphicRenderer( const Reference<XComponent>& rxDocument ) :
39 : mxDocument(rxDocument),
40 : mxModel( mxDocument, uno::UNO_QUERY ),
41 0 : mxController( mxModel->getCurrentController() ),
42 : mxRenderable (mxDocument, uno::UNO_QUERY ),
43 0 : mxToolkit( VCLUnoHelper::CreateToolkit() )
44 : {
45 0 : }
46 :
47 0 : DocumentToGraphicRenderer::~DocumentToGraphicRenderer()
48 : {
49 0 : }
50 :
51 0 : Size DocumentToGraphicRenderer::getDocumentSizeInPixels(sal_Int32 aCurrentPage)
52 : {
53 0 : Size aSize100mm = getDocumentSizeIn100mm(aCurrentPage);
54 0 : return Size( Application::GetDefaultDevice()->LogicToPixel( aSize100mm, MAP_100TH_MM ) );
55 : }
56 :
57 0 : Size DocumentToGraphicRenderer::getDocumentSizeIn100mm(sal_Int32 aCurrentPage)
58 : {
59 0 : Reference< awt::XDevice > xDevice(mxToolkit->createScreenCompatibleDevice( 32, 32 ) );
60 :
61 0 : uno::Any selection;
62 0 : selection <<= mxDocument;
63 :
64 0 : PropertyValues renderProperties;
65 :
66 0 : renderProperties.realloc( 3 );
67 0 : renderProperties[0].Name = "IsPrinter";
68 0 : renderProperties[0].Value <<= sal_True;
69 0 : renderProperties[1].Name = "RenderDevice";
70 0 : renderProperties[1].Value <<= xDevice;
71 0 : renderProperties[2].Name = "View";
72 0 : renderProperties[2].Value <<= mxController;
73 :
74 0 : awt::Size aSize;
75 :
76 0 : sal_Int32 nPages = mxRenderable->getRendererCount( selection, renderProperties );
77 0 : if (nPages >= aCurrentPage)
78 : {
79 0 : Sequence< beans::PropertyValue > aResult = mxRenderable->getRenderer(aCurrentPage - 1, selection, renderProperties );
80 0 : for( sal_Int32 nProperty = 0, nPropertyCount = aResult.getLength(); nProperty < nPropertyCount; ++nProperty )
81 : {
82 0 : if ( aResult[ nProperty ].Name == "PageSize" )
83 : {
84 0 : aResult[ nProperty ].Value >>= aSize;
85 : }
86 0 : }
87 : }
88 :
89 0 : return Size( aSize.Width, aSize.Height );
90 : }
91 :
92 0 : Graphic DocumentToGraphicRenderer::renderToGraphic(
93 : sal_Int32 aCurrentPage,
94 : Size aDocumentSizePixel,
95 : Size aTargetSizePixel)
96 :
97 : {
98 0 : if (!mxModel.is() || !mxController.is() || !mxRenderable.is())
99 0 : return Graphic();
100 :
101 0 : Reference< awt::XDevice > xDevice(mxToolkit->createScreenCompatibleDevice( aTargetSizePixel.Width(), aTargetSizePixel.Height() ) );
102 0 : if (!xDevice.is())
103 0 : return Graphic();
104 :
105 0 : double fScaleX = aTargetSizePixel.Width() / (double) aDocumentSizePixel.Width();
106 0 : double fScaleY = aTargetSizePixel.Height() / (double) aDocumentSizePixel.Height();
107 :
108 0 : PropertyValues renderProps;
109 0 : renderProps.realloc( 3 );
110 0 : renderProps[0].Name = "IsPrinter";
111 0 : renderProps[0].Value <<= sal_True;
112 0 : renderProps[1].Name = "RenderDevice";
113 0 : renderProps[1].Value <<= xDevice;
114 0 : renderProps[2].Name = "View";
115 0 : renderProps[2].Value <<= mxController;
116 :
117 0 : GDIMetaFile aMtf;
118 :
119 0 : OutputDevice* pOutputDev = VCLUnoHelper::GetOutputDevice( xDevice );
120 0 : pOutputDev->SetAntialiasing(pOutputDev->GetAntialiasing() | ANTIALIASING_ENABLE_B2DDRAW);
121 0 : MapMode mm = pOutputDev->GetMapMode();
122 0 : mm.SetScaleX( fScaleX );
123 0 : mm.SetScaleY( fScaleY );
124 0 : pOutputDev->SetMapMode( mm );
125 :
126 0 : aMtf.Record( pOutputDev );
127 :
128 0 : uno::Any aSelection;
129 0 : aSelection <<= mxDocument;
130 0 : mxRenderable->render(aCurrentPage - 1, aSelection, renderProps );
131 :
132 0 : aMtf.Stop();
133 0 : aMtf.WindStart();
134 0 : aMtf.SetPrefSize( aTargetSizePixel );
135 :
136 0 : return Graphic(aMtf);
137 : }
138 :
139 0 : sal_Int32 DocumentToGraphicRenderer::getCurrentPageWriter()
140 : {
141 0 : Reference<text::XTextViewCursorSupplier> xTextViewCursorSupplier(mxModel->getCurrentController(), UNO_QUERY);
142 0 : Reference<text::XPageCursor> xCursor(xTextViewCursorSupplier->getViewCursor(), UNO_QUERY);
143 0 : return xCursor->getPage();
144 : }
145 :
146 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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