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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 <config_features.h>
21 :
22 : #include <canvas/debug.hxx>
23 : #include <canvas/verbosetrace.hxx>
24 : #include <canvas/canvastools.hxx>
25 :
26 : #include <osl/mutex.hxx>
27 : #include <cppuhelper/compbase1.hxx>
28 :
29 : #include <com/sun/star/lang/NoSupportException.hpp>
30 :
31 : #include <toolkit/helper/vclunohelper.hxx>
32 : #include <basegfx/tools/canvastools.hxx>
33 : #include <basegfx/tools/unopolypolygon.hxx>
34 :
35 : #include <vcl/canvastools.hxx>
36 : #include <vcl/dibtools.hxx>
37 :
38 : #include <tools/stream.hxx>
39 :
40 : #include "cairo_spritecanvas.hxx"
41 : #include "cairo_canvasbitmap.hxx"
42 : #include "cairo_devicehelper.hxx"
43 :
44 : using namespace ::cairo;
45 : using namespace ::com::sun::star;
46 :
47 : namespace cairocanvas
48 : {
49 0 : DeviceHelper::DeviceHelper() :
50 : mpSurfaceProvider( NULL ),
51 : mpRefDevice( NULL ),
52 0 : mpSurface()
53 : {
54 0 : }
55 :
56 0 : void DeviceHelper::implInit( SurfaceProvider& rSurfaceProvider,
57 : OutputDevice& rRefDevice )
58 : {
59 0 : mpSurfaceProvider = &rSurfaceProvider;
60 0 : mpRefDevice = &rRefDevice;
61 :
62 : // no own surface, this is handled by derived classes
63 0 : }
64 :
65 0 : void DeviceHelper::init( SurfaceProvider& rSurfaceProvider,
66 : OutputDevice& rRefDevice )
67 : {
68 0 : implInit(rSurfaceProvider, rRefDevice);
69 :
70 0 : OutputDevice* pOutDev=getOutputDevice();
71 0 : mpSurface = cairo::createSurface( *pOutDev,
72 0 : pOutDev->GetOutOffXPixel(),
73 0 : pOutDev->GetOutOffYPixel(),
74 0 : pOutDev->GetOutputWidthPixel(),
75 0 : pOutDev->GetOutputHeightPixel() );
76 0 : }
77 :
78 0 : void DeviceHelper::disposing()
79 : {
80 : // release all references
81 0 : mpSurface.reset();
82 0 : mpRefDevice = NULL;
83 0 : mpSurfaceProvider = NULL;
84 0 : }
85 :
86 0 : void DeviceHelper::setSize( const ::basegfx::B2ISize& rSize )
87 : {
88 : OSL_TRACE("DeviceHelper::setSize(): device size %d x %d", rSize.getX(), rSize.getY() );
89 :
90 0 : if( !mpRefDevice )
91 0 : return; // disposed
92 :
93 0 : OutputDevice* pOutDev=getOutputDevice();
94 :
95 : #if HAVE_FEATURE_X11
96 : // X11 only
97 0 : if( mpSurface )
98 0 : mpSurface->Resize( rSize.getX() + pOutDev->GetOutOffXPixel(),
99 0 : rSize.getY() + pOutDev->GetOutOffYPixel() );
100 : else
101 : #endif
102 0 : mpSurface = cairo::createSurface(
103 : *pOutDev,
104 0 : pOutDev->GetOutOffXPixel(),
105 0 : pOutDev->GetOutOffYPixel(),
106 0 : rSize.getX(), rSize.getY() );
107 : }
108 :
109 0 : geometry::RealSize2D DeviceHelper::getPhysicalResolution()
110 : {
111 : // Map a one-by-one millimeter box to pixel
112 0 : const MapMode aOldMapMode( mpRefDevice->GetMapMode() );
113 0 : mpRefDevice->SetMapMode( MapMode(MAP_MM) );
114 0 : const Size aPixelSize( mpRefDevice->LogicToPixel(Size(1,1)) );
115 0 : mpRefDevice->SetMapMode( aOldMapMode );
116 :
117 0 : return ::vcl::unotools::size2DFromSize( aPixelSize );
118 : }
119 :
120 0 : geometry::RealSize2D DeviceHelper::getPhysicalSize()
121 : {
122 0 : if( !mpRefDevice )
123 0 : return ::canvas::tools::createInfiniteSize2D(); // we're disposed
124 :
125 : // Map the pixel dimensions of the output window to millimeter
126 0 : const MapMode aOldMapMode( mpRefDevice->GetMapMode() );
127 0 : mpRefDevice->SetMapMode( MapMode(MAP_MM) );
128 0 : const Size aLogSize( mpRefDevice->PixelToLogic(mpRefDevice->GetOutputSizePixel()) );
129 0 : mpRefDevice->SetMapMode( aOldMapMode );
130 :
131 0 : return ::vcl::unotools::size2DFromSize( aLogSize );
132 : }
133 :
134 0 : uno::Reference< rendering::XLinePolyPolygon2D > DeviceHelper::createCompatibleLinePolyPolygon(
135 : const uno::Reference< rendering::XGraphicDevice >& ,
136 : const uno::Sequence< uno::Sequence< geometry::RealPoint2D > >& points )
137 : {
138 : // disposed?
139 0 : if( !mpSurfaceProvider )
140 0 : return uno::Reference< rendering::XLinePolyPolygon2D >(); // we're disposed
141 :
142 : return uno::Reference< rendering::XLinePolyPolygon2D >(
143 : new ::basegfx::unotools::UnoPolyPolygon(
144 0 : ::basegfx::unotools::polyPolygonFromPoint2DSequenceSequence( points ) ) );
145 : }
146 :
147 0 : uno::Reference< rendering::XBezierPolyPolygon2D > DeviceHelper::createCompatibleBezierPolyPolygon(
148 : const uno::Reference< rendering::XGraphicDevice >& ,
149 : const uno::Sequence< uno::Sequence< geometry::RealBezierSegment2D > >& points )
150 : {
151 : // disposed?
152 0 : if( !mpSurfaceProvider )
153 0 : return uno::Reference< rendering::XBezierPolyPolygon2D >(); // we're disposed
154 :
155 : return uno::Reference< rendering::XBezierPolyPolygon2D >(
156 : new ::basegfx::unotools::UnoPolyPolygon(
157 0 : ::basegfx::unotools::polyPolygonFromBezier2DSequenceSequence( points ) ) );
158 : }
159 :
160 0 : uno::Reference< rendering::XBitmap > DeviceHelper::createCompatibleBitmap(
161 : const uno::Reference< rendering::XGraphicDevice >& rDevice,
162 : const geometry::IntegerSize2D& size )
163 : {
164 : // disposed?
165 0 : if( !mpSurfaceProvider )
166 0 : return uno::Reference< rendering::XBitmap >(); // we're disposed
167 :
168 : return uno::Reference< rendering::XBitmap >(
169 : new CanvasBitmap(
170 : ::basegfx::unotools::b2ISizeFromIntegerSize2D( size ),
171 : SurfaceProviderRef(mpSurfaceProvider),
172 : rDevice.get(),
173 0 : false ));
174 : }
175 :
176 0 : uno::Reference< rendering::XVolatileBitmap > DeviceHelper::createVolatileBitmap(
177 : const uno::Reference< rendering::XGraphicDevice >& ,
178 : const geometry::IntegerSize2D& /*size*/ )
179 : {
180 0 : return uno::Reference< rendering::XVolatileBitmap >();
181 : }
182 :
183 0 : uno::Reference< rendering::XBitmap > DeviceHelper::createCompatibleAlphaBitmap(
184 : const uno::Reference< rendering::XGraphicDevice >& rDevice,
185 : const geometry::IntegerSize2D& size )
186 : {
187 : // disposed?
188 0 : if( !mpSurfaceProvider )
189 0 : return uno::Reference< rendering::XBitmap >(); // we're disposed
190 :
191 : return uno::Reference< rendering::XBitmap >(
192 : new CanvasBitmap(
193 : ::basegfx::unotools::b2ISizeFromIntegerSize2D( size ),
194 : SurfaceProviderRef(mpSurfaceProvider),
195 : rDevice.get(),
196 0 : true ));
197 : }
198 :
199 0 : uno::Reference< rendering::XVolatileBitmap > DeviceHelper::createVolatileAlphaBitmap(
200 : const uno::Reference< rendering::XGraphicDevice >& ,
201 : const geometry::IntegerSize2D& /*size*/ )
202 : {
203 0 : return uno::Reference< rendering::XVolatileBitmap >();
204 : }
205 :
206 0 : sal_Bool DeviceHelper::hasFullScreenMode()
207 : {
208 : // TODO(F3): offer fullscreen mode the XCanvas way
209 0 : return false;
210 : }
211 :
212 0 : sal_Bool DeviceHelper::enterFullScreenMode( sal_Bool /*bEnter*/ )
213 : {
214 : // TODO(F3): offer fullscreen mode the XCanvas way
215 0 : return false;
216 : }
217 :
218 0 : uno::Any DeviceHelper::isAccelerated() const
219 : {
220 0 : return ::com::sun::star::uno::makeAny(false);
221 : }
222 :
223 0 : uno::Any DeviceHelper::getDeviceHandle() const
224 : {
225 0 : return uno::makeAny( reinterpret_cast< sal_Int64 >(mpRefDevice) );
226 : }
227 :
228 0 : uno::Any DeviceHelper::getSurfaceHandle() const
229 : {
230 0 : return uno::Any();
231 : }
232 :
233 : namespace
234 : {
235 : struct DeviceColorSpace: public rtl::StaticWithInit<uno::Reference<rendering::XColorSpace>,
236 : DeviceColorSpace>
237 : {
238 0 : uno::Reference<rendering::XColorSpace> operator()()
239 : {
240 0 : return vcl::unotools::createStandardColorSpace();
241 : }
242 : };
243 : }
244 :
245 0 : uno::Reference<rendering::XColorSpace> DeviceHelper::getColorSpace() const
246 : {
247 : // always the same
248 0 : return DeviceColorSpace::get();
249 : }
250 :
251 0 : void DeviceHelper::dumpScreenContent() const
252 : {
253 : static sal_Int32 nFilePostfixCount(0);
254 :
255 0 : if( mpRefDevice )
256 : {
257 0 : OUString aFilename("dbg_frontbuffer");
258 0 : aFilename += OUString::number(nFilePostfixCount);
259 0 : aFilename += ".bmp";
260 :
261 0 : SvFileStream aStream( aFilename, STREAM_STD_READWRITE );
262 :
263 0 : const ::Point aEmptyPoint;
264 0 : bool bOldMap( mpRefDevice->IsMapModeEnabled() );
265 0 : mpRefDevice->EnableMapMode( false );
266 0 : const ::Bitmap aTempBitmap(mpRefDevice->GetBitmap(aEmptyPoint, mpRefDevice->GetOutputSizePixel()));
267 0 : WriteDIB(aTempBitmap, aStream, false, true);
268 0 : mpRefDevice->EnableMapMode( bOldMap );
269 :
270 0 : ++nFilePostfixCount;
271 : }
272 0 : }
273 :
274 0 : SurfaceSharedPtr DeviceHelper::getSurface()
275 : {
276 0 : return mpSurface;
277 : }
278 :
279 0 : SurfaceSharedPtr DeviceHelper::createSurface( const ::basegfx::B2ISize& rSize, Content aContent )
280 : {
281 0 : if( mpSurface )
282 0 : return mpSurface->getSimilar( aContent, rSize.getX(), rSize.getY() );
283 :
284 0 : return SurfaceSharedPtr();
285 : }
286 :
287 0 : SurfaceSharedPtr DeviceHelper::createSurface( BitmapSystemData& rData, const Size& rSize )
288 : {
289 0 : if( mpRefDevice )
290 0 : return createBitmapSurface( *mpRefDevice, rData, rSize );
291 :
292 0 : return SurfaceSharedPtr();
293 : }
294 0 : }
295 :
296 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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