canvas/source/null/null_spritecanvas.cxx

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  30
  31 // MARKER(update_precomp.py): autogen include statement, do not remove
  32 #include "precompiled_canvas.hxx"
  33
  34 #include <canvas/debug.hxx>
  35 #include <tools/diagnose_ex.h>
  36 #include <canvas/verbosetrace.hxx>
  37 #include <canvas/canvastools.hxx>
  38
  39 #include <osl/mutex.hxx>
  40
  41 #include <com/sun/star/registry/XRegistryKey.hpp>
  42 #include <com/sun/star/lang/XSingleServiceFactory.hpp>
  43 #include <com/sun/star/uno/XComponentContext.hpp>
  44
  45 #include <cppuhelper/factory.hxx>
  46 #include <cppuhelper/implementationentry.hxx>
  47 #include <comphelper/servicedecl.hxx>
  48
  49 #include <basegfx/matrix/b2dhommatrix.hxx>
  50 #include <basegfx/point/b2dpoint.hxx>
  51 #include <basegfx/tools/canvastools.hxx>
  52 #include <basegfx/numeric/ftools.hxx>
  53
  54 #include "null_spritecanvas.hxx"
  55
  56
  57 using namespace ::com::sun::star;
  58
  59 #define SERVICE_NAME "com.sun.star.rendering.NullCanvas"
  60
  61 namespace nullcanvas
  62 {
  63     SpriteCanvas::SpriteCanvas( const uno::Sequence< uno::Any >&                aArguments,
  64                                 const uno::Reference< uno::XComponentContext >& rxContext ) :
  65         maArguments(aArguments),
  66         mxComponentContext( rxContext )
  67     {
  68     }
  69
  70     void SpriteCanvas::initialize()
  71     {
  72         // #i64742# Only call initialize when not in probe mode
  73         if( maArguments.getLength() == 0 )
  74             return;
  75
  76         VERBOSE_TRACE( "SpriteCanvas::initialize called" );
  77
  78         // At index 1, we expect a system window handle here,
  79         // containing a pointer to a valid window, on which to output
  80         // At index 2, we expect the current window bound rect
  81         ENSURE_ARG_OR_THROW( maArguments.getLength() >= 4 &&
  82                              maArguments[1].getValueTypeClass() == uno::TypeClass_LONG,
  83                              "SpriteCanvas::initialize: wrong number of arguments, or wrong types" );
  84
  85         awt::Rectangle aRect;
  86         maArguments[2] >>= aRect;
  87         const ::basegfx::B2ISize aSize(aRect.Width,
  88                                        aRect.Height);
  89
  90         sal_Bool bIsFullscreen( sal_False );
  91         maArguments[3] >>= bIsFullscreen;
  92
  93         // setup helper
  94         maDeviceHelper.init( *this,
  95                              aSize,
  96                              bIsFullscreen );
  97         maCanvasHelper.init( maRedrawManager,
  98                              *this,
  99                              aSize,
 100                              false );
 101
 102         maArguments.realloc(0);
 103     }
 104
 105     void SAL_CALL SpriteCanvas::disposing()
 106     {
 107         ::osl::MutexGuard aGuard( m_aMutex );
 108
 109         mxComponentContext.clear();
 110
 111         // forward to parent
 112         SpriteCanvasBaseT::disposing();
 113     }
 114
 115     ::sal_Bool SAL_CALL SpriteCanvas::showBuffer( ::sal_Bool bUpdateAll ) throw (uno::RuntimeException)
 116     {
 117         ::osl::MutexGuard aGuard( m_aMutex );
 118
 119         // avoid repaints on hidden window (hidden: not mapped to
 120         // screen). Return failure, since the screen really has _not_
 121         // been updated (caller should try again later)
 122         return !mbIsVisible ? false : SpriteCanvasBaseT::showBuffer( bUpdateAll );
 123     }
 124
 125     ::sal_Bool SAL_CALL SpriteCanvas::switchBuffer( ::sal_Bool bUpdateAll ) throw (uno::RuntimeException)
 126     {
 127         ::osl::MutexGuard aGuard( m_aMutex );
 128
 129         // avoid repaints on hidden window (hidden: not mapped to
 130         // screen). Return failure, since the screen really has _not_
 131         // been updated (caller should try again later)
 132         return !mbIsVisible ? false : SpriteCanvasBaseT::switchBuffer( bUpdateAll );
 133     }
 134
 135     sal_Bool SAL_CALL SpriteCanvas::updateScreen( sal_Bool bUpdateAll ) throw (uno::RuntimeException)
 136     {
 137         ::osl::MutexGuard aGuard( m_aMutex );
 138
 139         // avoid repaints on hidden window (hidden: not mapped to
 140         // screen). Return failure, since the screen really has _not_
 141         // been updated (caller should try again later)
 142         return !mbIsVisible ? false : maCanvasHelper.updateScreen(
 143             ::basegfx::unotools::b2IRectangleFromAwtRectangle(maBounds),
 144             bUpdateAll,
 145             mbSurfaceDirty );
 146     }
 147
 148     ::rtl::OUString SAL_CALL SpriteCanvas::getServiceName(  ) throw (uno::RuntimeException)
 149     {
 150         return ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( SERVICE_NAME ) );
 151     }
 152
 153     static uno::Reference<uno::XInterface> initCanvas( SpriteCanvas* pCanvas )
 154     {
 155         uno::Reference<uno::XInterface> xRet(static_cast<cppu::OWeakObject*>(pCanvas));
 156         pCanvas->initialize();
 157         return xRet;
 158     }
 159
 160     namespace sdecl = comphelper::service_decl;
 161     sdecl::class_<SpriteCanvas, sdecl::with_args<true> > serviceImpl(&initCanvas);
 162     const sdecl::ServiceDecl nullCanvasDecl(
 163         serviceImpl,
 164         "com.sun.star.comp.rendering.NullCanvas",
 165         SERVICE_NAME );
 166 }
 167
 168 // The C shared lib entry points
 169 COMPHELPER_SERVICEDECL_EXPORTS1(nullcanvas::nullCanvasDecl)