LibreOffice Module canvas (master) 1
impltools.hxx
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1/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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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
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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#pragma once
21
22#include <osl/mutex.hxx>
23
24#include <vcl/svapp.hxx>
25#include <vcl/outdev.hxx>
26
28
29#include <com/sun/star/uno/Reference.hxx>
30
31#include "outdevprovider.hxx"
32
33
34class OutputDevice;
35class Point;
36class Size;
37
38namespace basegfx
39{
40 namespace matrix
41 {
42 class B2DHomMatrix;
43 }
44}
45
46namespace com::sun::star::awt
47{
48 struct Point;
49 struct Size;
50 struct Rectangle;
51}
52
54{
55 struct HomogenMatrix3;
56}
57
59{
60 struct RealPoint2D;
61 struct RealSize2D;
62 struct RealRectangle2D;
63}
64
66{
67 struct RenderState;
68 struct ViewState;
69 class XBitmap;
70}
71
72
73namespace vclcanvas
74{
75 namespace tools
76 {
78 bitmapExFromXBitmap( const css::uno::Reference<
79 css::rendering::XBitmap >& );
80
85 bool setupFontTransform( ::Point& o_rPoint,
86 vcl::Font& io_rVCLFont,
87 const css::rendering::ViewState& viewState,
88 const css::rendering::RenderState& renderState,
89 ::OutputDevice const & rOutDev );
90
95 bool isRectangle( const ::tools::PolyPolygon& rPolyPoly );
96
97
98 // Little helper to encapsulate locking into policy class
100 {
101 public:
104 {
105 }
106
108 explicit LocalGuard( const ::osl::Mutex& ) :
110 {
111 }
112
113 private:
115 };
116
118 {
119 public:
120 explicit OutDevStateKeeper( OutputDevice& rOutDev ) :
121 mpOutDev( &rOutDev ),
122 mbMappingWasEnabled( mpOutDev->IsMapModeEnabled() ),
123 mnAntiAliasing( mpOutDev->GetAntialiasing() )
124 {
125 init();
126 }
127
128 explicit OutDevStateKeeper( const OutDevProviderSharedPtr& rOutDev ) :
129 mpOutDev( rOutDev ? &(rOutDev->getOutDev()) : nullptr ),
130 mbMappingWasEnabled( mpOutDev && mpOutDev->IsMapModeEnabled() ),
131 mnAntiAliasing( mpOutDev ? mpOutDev->GetAntialiasing() : AntialiasingFlags::NONE )
132 {
133 init();
134 }
135
137 {
138 if( mpOutDev )
139 {
140 mpOutDev->EnableMapMode( mbMappingWasEnabled );
141 mpOutDev->SetAntialiasing( mnAntiAliasing );
142
143 mpOutDev->Pop();
144 }
145 }
146
147 private:
148 void init()
149 {
150 if( mpOutDev )
151 {
152 mpOutDev->Push();
153 mpOutDev->EnableMapMode(false);
154 mpOutDev->SetAntialiasing( AntialiasingFlags::Enable );
155 }
156 }
157
161 };
162
163 ::Point mapRealPoint2D( const css::geometry::RealPoint2D& rPoint,
164 const css::rendering::ViewState& rViewState,
165 const css::rendering::RenderState& rRenderState );
166
167 ::tools::PolyPolygon mapPolyPolygon( const ::basegfx::B2DPolyPolygon& rPoly,
168 const css::rendering::ViewState& rViewState,
169 const css::rendering::RenderState& rRenderState );
170
171 ::BitmapEx transformBitmap( const BitmapEx& rBitmap,
172 const ::basegfx::B2DHomMatrix& rTransform );
173
175 }
176}
177
178/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
AntialiasingFlags
LocalGuard(const ::osl::Mutex &)
To be compatible with CanvasBase mutex concept.
Definition: impltools.hxx:108
SolarMutexGuard aSolarGuard
Definition: impltools.hxx:114
VclPtr< OutputDevice > mpOutDev
Definition: impltools.hxx:158
OutDevStateKeeper(OutputDevice &rOutDev)
Definition: impltools.hxx:120
OutDevStateKeeper(const OutDevProviderSharedPtr &rOutDev)
Definition: impltools.hxx:128
const AntialiasingFlags mnAntiAliasing
Definition: impltools.hxx:160
NONE
ViewState
::tools::PolyPolygon mapPolyPolygon(const ::basegfx::B2DPolyPolygon &rPoly, const rendering::ViewState &rViewState, const rendering::RenderState &rRenderState)
Definition: impltools.cxx:172
bool setupFontTransform(::Point &o_rPoint, vcl::Font &io_rVCLFont, const rendering::ViewState &rViewState, const rendering::RenderState &rRenderState, ::OutputDevice const &rOutDev)
Definition: impltools.cxx:87
void SetDefaultDeviceAntiAliasing(OutputDevice *pDevice)
Definition: impltools.cxx:221
::BitmapEx transformBitmap(const BitmapEx &rBitmap, const ::basegfx::B2DHomMatrix &rTransform)
Definition: impltools.cxx:188
bool isRectangle(const ::tools::PolyPolygon &rPolyPoly)
Predicate, to determine whether polygon is actually an axis-aligned rectangle.
Definition: impltools.cxx:138
::Point mapRealPoint2D(const geometry::RealPoint2D &rPoint, const rendering::ViewState &rViewState, const rendering::RenderState &rRenderState)
Definition: impltools.cxx:158
::BitmapEx bitmapExFromXBitmap(const uno::Reference< rendering::XBitmap > &xBitmap)
Definition: impltools.cxx:49
std::shared_ptr< OutDevProvider > OutDevProviderSharedPtr