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31 // MARKER(update_precomp.py): autogen include statement, do not remove
32 #include "precompiled_canvas.hxx"
34 #include <com/sun/star/rendering/XSimpleCanvas.hpp>
35 #include <com/sun/star/rendering/CompositeOperation.hpp>
36 #include <com/sun/star/rendering/PanoseLetterForm.hpp>
37 #include <com/sun/star/rendering/PanoseWeight.hpp>
38 #include <com/sun/star/lang/XServiceName.hpp>
40 #include <o3tl/lazy_update.hxx>
41 #include <cppuhelper/factory.hxx>
42 #include <cppuhelper/implementationentry.hxx>
43 #include <cppuhelper/compbase2.hxx>
44 #include <cppuhelper/basemutex.hxx>
46 #include <comphelper/servicedecl.hxx>
48 #include <basegfx/matrix/b2dhommatrix.hxx>
50 #include "canvas/canvastools.hxx"
52 #include <boost/bind.hpp>
54 #define SERVICE_NAME "com.sun.star.rendering.SimpleCanvas"
56 using namespace ::com::sun::star;
57 using namespace canvas;
59 namespace
61 inline uno::Sequence< double > color2Sequence( sal_Int32 const& nColor )
63 // TODO(F3): Color management
64 uno::Sequence< double > aRes( 4 );
66 aRes[0] = static_cast<sal_uInt8>( (nColor&0xFF000000U) >> 24U ) / 255.0;
67 aRes[1] = static_cast<sal_uInt8>( (nColor&0x00FF0000U) >> 16U ) / 255.0;
68 aRes[2] = static_cast<sal_uInt8>( (nColor&0x0000FF00U) >> 8U ) / 255.0;
69 aRes[3] = static_cast<sal_uInt8>( (nColor&0x000000FFU) ) / 255.0;
71 return aRes;
74 inline uno::Reference< rendering::XPolyPolygon2D > rect2Poly( uno::Reference<rendering::XGraphicDevice> const& xDevice,
75 geometry::RealRectangle2D const& rRect )
77 uno::Sequence< geometry::RealPoint2D > rectSequence( 4 );
78 geometry::RealPoint2D* pOutput = rectSequence.getArray();
79 pOutput[0] = geometry::RealPoint2D( rRect.X1, rRect.Y1 );
80 pOutput[1] = geometry::RealPoint2D( rRect.X2, rRect.Y1 );
81 pOutput[2] = geometry::RealPoint2D( rRect.X2, rRect.Y2 );
82 pOutput[3] = geometry::RealPoint2D( rRect.X1, rRect.Y2 );
84 uno::Sequence< uno::Sequence< geometry::RealPoint2D > > sequenceSequence( 1 );
85 sequenceSequence[0] = rectSequence;
87 uno::Reference< rendering::XPolyPolygon2D > xRes(
88 xDevice->createCompatibleLinePolyPolygon( sequenceSequence ),
89 uno::UNO_QUERY );
90 if( xRes.is() )
91 xRes->setClosed( 0, sal_True );
92 return xRes;
95 struct SimpleRenderState
97 o3tl::LazyUpdate<sal_Int32,
98 uno::Sequence<double>,
99 o3tl::LAZYUPDATE_FUNCTION_TAG > m_aPenColor;
100 o3tl::LazyUpdate<sal_Int32,
101 uno::Sequence<double>,
102 o3tl::LAZYUPDATE_FUNCTION_TAG > m_aFillColor;
103 o3tl::LazyUpdate<geometry::RealRectangle2D,
104 uno::Reference< rendering::XPolyPolygon2D >,
105 o3tl::LAZYUPDATE_FUNCTOR_TAG > m_aRectClip;
106 geometry::AffineMatrix2D m_aTransformation;
108 explicit SimpleRenderState( uno::Reference<rendering::XGraphicDevice> const& xDevice ) :
109 m_aPenColor( &color2Sequence),
110 m_aFillColor( &color2Sequence ),
111 m_aRectClip( boost::bind( &rect2Poly,
112 xDevice,
113 _1 )),
114 m_aTransformation()
116 tools::setIdentityAffineMatrix2D( m_aTransformation );
121 typedef ::cppu::WeakComponentImplHelper2< ::com::sun::star::rendering::XSimpleCanvas,
122 ::com::sun::star::lang::XServiceName > SimpleCanvasBase;
124 class SimpleCanvasImpl : private cppu::BaseMutex,
125 public SimpleCanvasBase
127 private:
128 bool isStrokingEnabled() const
130 return maRenderState.m_aPenColor.getInValue() && sal_Int32(0xFF) != 0;
133 rendering::RenderState createStrokingRenderState() const
135 return rendering::RenderState(maRenderState.m_aTransformation,
136 *maRenderState.m_aRectClip,
137 *maRenderState.m_aPenColor,
138 rendering::CompositeOperation::OVER);
141 bool isFillingEnabled() const
143 return maRenderState.m_aFillColor.getInValue() && sal_Int32(0xFF) != 0;
146 rendering::RenderState createFillingRenderState() const
148 return rendering::RenderState(maRenderState.m_aTransformation,
149 *maRenderState.m_aRectClip,
150 *maRenderState.m_aFillColor,
151 rendering::CompositeOperation::OVER);
154 static uno::Reference<rendering::XCanvas> grabCanvas( uno::Sequence<uno::Any> const& rArgs )
156 uno::Reference<rendering::XCanvas> xRet;
158 // can't do much without an XCanvas, can't we?
159 if( rArgs.getLength() < 1 )
160 throw lang::IllegalArgumentException();
162 xRet.set( rArgs[0], uno::UNO_QUERY );
164 // can't do much without an XCanvas, can't we?
165 if( !xRet.is() )
166 throw lang::IllegalArgumentException();
168 return xRet;
171 public:
172 SimpleCanvasImpl( const uno::Sequence< uno::Any >& aArguments,
173 const uno::Reference< uno::XComponentContext >& ) :
174 SimpleCanvasBase( m_aMutex ),
175 mxCanvas( grabCanvas(aArguments) ),
176 maFont(boost::bind( &rendering::XCanvas::createFont,
177 boost::cref(mxCanvas),
178 _1,
179 uno::Sequence< beans::PropertyValue >(),
180 geometry::Matrix2D() )),
181 maViewState(),
182 maRenderState( mxCanvas->getDevice() )
184 tools::initViewState(maViewState);
187 ///////////////////////////////////////////////////////////////////////////////////////////////
189 private:
190 // Ifc XServiceName
191 virtual ::rtl::OUString SAL_CALL getServiceName( ) throw (uno::RuntimeException)
193 return ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( SERVICE_NAME ) );
196 // Ifc XSimpleCanvas
197 virtual void SAL_CALL selectFont( const ::rtl::OUString& sFontName,
198 double size,
199 ::sal_Bool bold,
200 ::sal_Bool italic ) throw (uno::RuntimeException)
202 ::osl::MutexGuard aGuard( m_aMutex );
204 maFont->FontDescription.FamilyName = sFontName;
205 maFont->CellSize = size;
206 maFont->FontDescription.FontDescription.Weight =
207 bold ? rendering::PanoseWeight::BOLD : rendering::PanoseWeight::MEDIUM;
208 maFont->FontDescription.FontDescription.Letterform =
209 italic ? rendering::PanoseLetterForm::OBLIQUE_CONTACT : rendering::PanoseLetterForm::ANYTHING;
212 virtual void SAL_CALL setPenColor( ::sal_Int32 nsRgbaColor ) throw (uno::RuntimeException)
214 ::osl::MutexGuard aGuard( m_aMutex );
215 *(maRenderState.m_aPenColor) = nsRgbaColor;
218 virtual void SAL_CALL setFillColor( ::sal_Int32 nsRgbaColor ) throw (uno::RuntimeException)
220 ::osl::MutexGuard aGuard( m_aMutex );
221 *(maRenderState.m_aFillColor) = nsRgbaColor;
224 virtual void SAL_CALL setRectClip( const geometry::RealRectangle2D& aRect ) throw (uno::RuntimeException)
226 ::osl::MutexGuard aGuard( m_aMutex );
227 *(maRenderState.m_aRectClip) = aRect;
230 virtual void SAL_CALL setTransformation( const geometry::AffineMatrix2D& aTransform ) throw (uno::RuntimeException)
232 ::osl::MutexGuard aGuard( m_aMutex );
233 maRenderState.m_aTransformation = aTransform;
236 virtual void SAL_CALL drawPixel( const geometry::RealPoint2D& aPoint ) throw (uno::RuntimeException)
238 ::osl::MutexGuard aGuard( m_aMutex );
239 mxCanvas->drawPoint(aPoint,
240 maViewState,
241 createFillingRenderState());
244 virtual void SAL_CALL drawLine( const geometry::RealPoint2D& aStartPoint,
245 const geometry::RealPoint2D& aEndPoint ) throw (uno::RuntimeException)
247 ::osl::MutexGuard aGuard( m_aMutex );
248 mxCanvas->drawLine(aStartPoint,
249 aEndPoint,
250 maViewState,
251 createStrokingRenderState());
254 virtual void SAL_CALL drawRect( const geometry::RealRectangle2D& aRect ) throw (uno::RuntimeException)
256 ::osl::MutexGuard aGuard( m_aMutex );
257 uno::Reference< rendering::XPolyPolygon2D > xPoly(
258 rect2Poly( mxCanvas->getDevice(),
259 aRect));
261 if( isFillingEnabled() )
262 mxCanvas->drawPolyPolygon(xPoly,
263 maViewState,
264 createFillingRenderState());
265 if( isStrokingEnabled() )
266 mxCanvas->drawPolyPolygon(xPoly,
267 maViewState,
268 createStrokingRenderState());
271 virtual void SAL_CALL drawPolyPolygon( const uno::Reference< rendering::XPolyPolygon2D >& xPolyPolygon ) throw (uno::RuntimeException)
273 ::osl::MutexGuard aGuard( m_aMutex );
275 if( isFillingEnabled() )
276 mxCanvas->drawPolyPolygon(xPolyPolygon,
277 maViewState,
278 createFillingRenderState());
279 if( isStrokingEnabled() )
280 mxCanvas->drawPolyPolygon(xPolyPolygon,
281 maViewState,
282 createStrokingRenderState());
285 virtual void SAL_CALL drawText( const rendering::StringContext& aText,
286 const geometry::RealPoint2D& aOutPos,
287 ::sal_Int8 nTextDirection ) throw (uno::RuntimeException)
289 ::osl::MutexGuard aGuard( m_aMutex );
291 basegfx::B2DHomMatrix offsetTransform;
292 offsetTransform.translate(aOutPos.X,aOutPos.Y);
294 rendering::RenderState aRenderState( createStrokingRenderState() );
295 tools::appendToRenderState(aRenderState, offsetTransform);
297 mxCanvas->drawText(aText,
298 maFont.getOutValue(),
299 maViewState,
300 aRenderState,
301 nTextDirection);
304 virtual void SAL_CALL drawBitmap( const uno::Reference< rendering::XBitmap >& xBitmap,
305 const geometry::RealPoint2D& aLeftTop ) throw (uno::RuntimeException)
307 ::osl::MutexGuard aGuard( m_aMutex );
309 basegfx::B2DHomMatrix offsetTransform;
310 offsetTransform.translate(aLeftTop.X,aLeftTop.Y);
312 rendering::RenderState aRenderState( createStrokingRenderState() );
313 tools::appendToRenderState(aRenderState, offsetTransform);
315 mxCanvas->drawBitmap(xBitmap,maViewState,aRenderState);
318 virtual uno::Reference< rendering::XGraphicDevice > SAL_CALL getDevice( ) throw (uno::RuntimeException)
320 ::osl::MutexGuard aGuard( m_aMutex );
321 return mxCanvas->getDevice();
324 virtual uno::Reference< rendering::XCanvas > SAL_CALL getCanvas( ) throw (uno::RuntimeException)
326 ::osl::MutexGuard aGuard( m_aMutex );
327 return mxCanvas;
330 virtual rendering::FontMetrics SAL_CALL getFontMetrics( ) throw (uno::RuntimeException)
332 ::osl::MutexGuard aGuard( m_aMutex );
333 return maFont.getOutValue()->getFontMetrics();
336 virtual uno::Reference< rendering::XCanvasFont > SAL_CALL getCurrentFont( ) throw (uno::RuntimeException)
338 ::osl::MutexGuard aGuard( m_aMutex );
339 return maFont.getOutValue();
342 virtual ::sal_Int32 SAL_CALL getCurrentPenColor( ) throw (uno::RuntimeException)
344 ::osl::MutexGuard aGuard( m_aMutex );
345 return maRenderState.m_aPenColor.getInValue();
348 virtual ::sal_Int32 SAL_CALL getCurrentFillColor( ) throw (uno::RuntimeException)
350 ::osl::MutexGuard aGuard( m_aMutex );
351 return maRenderState.m_aFillColor.getInValue();
354 virtual geometry::RealRectangle2D SAL_CALL getCurrentClipRect( ) throw (uno::RuntimeException)
356 ::osl::MutexGuard aGuard( m_aMutex );
357 return maRenderState.m_aRectClip.getInValue();
360 virtual geometry::AffineMatrix2D SAL_CALL getCurrentTransformation( ) throw (uno::RuntimeException)
362 ::osl::MutexGuard aGuard( m_aMutex );
363 return maRenderState.m_aTransformation;
366 virtual rendering::ViewState SAL_CALL getCurrentViewState( ) throw (uno::RuntimeException)
368 ::osl::MutexGuard aGuard( m_aMutex );
369 return maViewState;
372 virtual rendering::RenderState SAL_CALL getCurrentRenderState( sal_Bool bUseFillColor ) throw (uno::RuntimeException)
374 ::osl::MutexGuard aGuard( m_aMutex );
375 if( bUseFillColor )
376 return createFillingRenderState();
377 else
378 return createStrokingRenderState();
381 ///////////////////////////////////////////////////////////////////////////////////////////////
383 typedef o3tl::LazyUpdate<
384 rendering::FontRequest,
385 uno::Reference< rendering::XCanvasFont >,
386 o3tl::LAZYUPDATE_FUNCTOR_TAG > SimpleFont;
388 uno::Reference<rendering::XCanvas> mxCanvas;
389 SimpleFont maFont;
390 rendering::ViewState maViewState;
391 SimpleRenderState maRenderState;
394 namespace sdecl = comphelper::service_decl;
395 #if defined (__GNUC__) && (__GNUC__ == 3 && __GNUC_MINOR__ <= 3)
396 sdecl::class_<SimpleCanvasImpl, sdecl::with_args<true> > serviceImpl;
397 const sdecl::ServiceDecl simpleCanvasDecl(
398 serviceImpl,
399 #else
400 const sdecl::ServiceDecl simpleCanvasDecl(
401 sdecl::class_<SimpleCanvasImpl, sdecl::with_args<true> >(),
402 #endif
403 "com.sun.star.comp.rendering.SimpleCanvas",
404 SERVICE_NAME );
407 // The C shared lib entry points
408 COMPHELPER_SERVICEDECL_EXPORTS1(simpleCanvasDecl)