/************************************************************************* * * OpenOffice.org - a multi-platform office productivity suite * * $RCSfile: canvascustomsprite.cxx,v $ * * $Revision: 1.10 $ * * last change: $Author: kz $ $Date: 2005-11-02 12:59:14 $ * * The Contents of this file are made available subject to * the terms of GNU Lesser General Public License Version 2.1. * * * GNU Lesser General Public License Version 2.1 * ============================================= * Copyright 2005 by Sun Microsystems, Inc. * 901 San Antonio Road, Palo Alto, CA 94303, USA * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License version 2.1, as published by the Free Software Foundation. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, * MA 02111-1307 USA * ************************************************************************/ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "canvascustomsprite.hxx" using namespace ::com::sun::star; namespace vclcanvas { CanvasCustomSprite::CanvasCustomSprite( const geometry::RealSize2D& rSpriteSize, const SpriteCanvasRef& rSpriteCanvas, bool bShowSpriteBounds ) : mpSpriteCanvas( rSpriteCanvas ) { ENSURE_AND_THROW( rSpriteCanvas.get() && rSpriteCanvas->getOutDev(), "CanvasCustomSprite::CanvasCustomSprite(): Invalid sprite canvas" ); // setup back buffer // ----------------- const ::Size aSize( static_cast( ::std::max( 1.0, ceil( rSpriteSize.Width ))), // round up to nearest int, // enforce sprite to have at // least (1,1) pixel size static_cast( ::std::max( 1.0, ceil( rSpriteSize.Height ))) ); // create content backbuffer in screen depth BackBufferSharedPtr pBackBuffer( new BackBuffer( *rSpriteCanvas->getOutDev() ) ); pBackBuffer->setSize( aSize ); // create mask backbuffer, with one bit color depth BackBufferSharedPtr pBackBufferMask( new BackBuffer( *rSpriteCanvas->getOutDev(), true ) ); pBackBufferMask->setSize( aSize ); // TODO(F1): Implement alpha vdev (could prolly enable // antialiasing again, then) // disable font antialiasing (causes ugly shadows otherwise) pBackBuffer->getVirDev().SetAntialiasing( ANTIALIASING_DISABLE_TEXT ); pBackBufferMask->getVirDev().SetAntialiasing( ANTIALIASING_DISABLE_TEXT ); // set mask vdev drawmode, such that everything is painted // black. That leaves us with a binary image, white for // background, black for painted content pBackBufferMask->getVirDev().SetDrawMode( DRAWMODE_BLACKLINE | DRAWMODE_BLACKFILL | DRAWMODE_BLACKTEXT | DRAWMODE_BLACKGRADIENT | DRAWMODE_BLACKBITMAP ); // setup canvas helper // ------------------- // always render into back buffer, don't preserve state (it's // our private VDev, after all), have notion of alpha maCanvasHelper.init( *rSpriteCanvas.get(), pBackBuffer, false, true ); maCanvasHelper.setBackgroundOutDev( pBackBufferMask ); // setup sprite helper // ------------------- maSpriteHelper.init( rSpriteSize, rSpriteCanvas, pBackBuffer, pBackBufferMask, bShowSpriteBounds ); } void SAL_CALL CanvasCustomSprite::disposing() { tools::LocalGuard aGuard; mpSpriteCanvas.clear(); // forward to parent CanvasCustomSpriteBaseT::disposing(); } #define IMPLEMENTATION_NAME "VCLCanvas.CanvasCustomSprite" #define SERVICE_NAME "com.sun.star.rendering.CanvasCustomSprite" ::rtl::OUString SAL_CALL CanvasCustomSprite::getImplementationName() throw( uno::RuntimeException ) { return ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( IMPLEMENTATION_NAME ) ); } sal_Bool SAL_CALL CanvasCustomSprite::supportsService( const ::rtl::OUString& ServiceName ) throw( uno::RuntimeException ) { return ServiceName.equalsAsciiL( RTL_CONSTASCII_STRINGPARAM ( SERVICE_NAME ) ); } uno::Sequence< ::rtl::OUString > SAL_CALL CanvasCustomSprite::getSupportedServiceNames() throw( uno::RuntimeException ) { uno::Sequence< ::rtl::OUString > aRet(1); aRet[0] = ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM ( SERVICE_NAME ) ); return aRet; } // Sprite void CanvasCustomSprite::redraw( OutputDevice& rOutDev, bool bBufferedUpdate ) const { tools::LocalGuard aGuard; redraw( rOutDev, maSpriteHelper.getPosPixel(), bBufferedUpdate ); } void CanvasCustomSprite::redraw( OutputDevice& rOutDev, const ::basegfx::B2DPoint& rOrigOutputPos, bool bBufferedUpdate ) const { tools::LocalGuard aGuard; maSpriteHelper.redraw( rOutDev, rOrigOutputPos, mbSurfaceDirty, bBufferedUpdate ); mbSurfaceDirty = false; } bool CanvasCustomSprite::repaint( const GraphicObjectSharedPtr& rGrf, const ::Point& rPt, const ::Size& rSz, const GraphicAttr& rAttr ) const { tools::LocalGuard aGuard; mbSurfaceDirty = true; return maCanvasHelper.repaint( rGrf, rPt, rSz, rAttr ); } }