/************************************************************************* * * $RCSfile: animatedsprite.cxx,v $ * * $Revision: 1.3 $ * * last change: $Author: kz $ $Date: 2005-01-21 16:54:58 $ * * The Contents of this file are made available subject to the terms of * either of the following licenses * * - GNU Lesser General Public License Version 2.1 * - Sun Industry Standards Source License Version 1.1 * * Sun Microsystems Inc., October, 2000 * * GNU Lesser General Public License Version 2.1 * ============================================= * Copyright 2000 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 * * * Sun Industry Standards Source License Version 1.1 * ================================================= * The contents of this file are subject to the Sun Industry Standards * Source License Version 1.1 (the "License"); You may not use this file * except in compliance with the License. You may obtain a copy of the * License at http://www.openoffice.org/license.html. * * Software provided under this License is provided on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, * WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS, * MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING. * See the License for the specific provisions governing your rights and * obligations concerning the Software. * * The Initial Developer of the Original Code is: Sun Microsystems, Inc. * * Copyright: 2000 by Sun Microsystems, Inc. * * All Rights Reserved. * * Contributor(s): _______________________________________ * * ************************************************************************/ // must be first #include #include #ifndef _CPPCANVAS_CANVAS_HXX #include #endif #ifndef _CANVAS_CANVASTOOLS_HXX #include #endif #ifndef _BGFX_VECTOR_B2DVECTOR_HXX #include #endif #ifndef _BGFX_POINT_B2DPOINT_HXX #include #endif #ifndef _BGFX_MATRIX_B2DHOMMATRIX_HXX #include #endif #ifndef _BGFX_NUMERIC_FTOOLS_HXX #include #endif using namespace ::drafts::com::sun::star; using namespace ::com::sun::star; namespace presentation { namespace internal { AnimatedSprite::AnimatedSprite( const ViewLayerSharedPtr& rViewLayer, const ::basegfx::B2DSize& rSpriteSizePixel ) : mpViewLayer( rViewLayer ), mpSprite(), maEffectiveSpriteSizePixel( rSpriteSizePixel ), mnAlpha(0.0), maPosPixel(), maPos(), maClip(), mbSpriteVisible( false ) { ENSURE_AND_THROW( mpViewLayer.get(), "AnimatedSprite::AnimatedSprite(): Invalid view layer" ); // Add half a pixel tolerance to sprite size, since we later on compare // against it in resize(). And view transformations will almost never yield // the same data bits when transforming to device coordinates maEffectiveSpriteSizePixel += ::basegfx::B2DSize(0.5, 0.5); mpSprite = mpViewLayer->createSprite( maEffectiveSpriteSizePixel ); ENSURE_AND_THROW( mpSprite.get(), "AnimatedSprite::AnimatedSprite(): Could not create sprite" ); } AnimatedSprite::~AnimatedSprite() { } ::cppcanvas::CanvasSharedPtr AnimatedSprite::getContentCanvas() const { ENSURE_AND_THROW( mpViewLayer->getCanvas().get(), "AnimatedSprite::getContentCanvas(): No view layer canvas" ); const ::cppcanvas::CanvasSharedPtr pContentCanvas( mpSprite->getContentCanvas() ); // extract linear part of canvas view transformation (linear means: // without translational components) ::basegfx::B2DHomMatrix aLinearTransform( mpViewLayer->getCanvas()->getTransformation() ); aLinearTransform.set( 0, 2, 0.0 ); aLinearTransform.set( 1, 2, 0.0 ); // apply linear part of canvas view transformation to sprite canvas pContentCanvas->setTransformation( aLinearTransform ); return pContentCanvas; } bool AnimatedSprite::resize( const ::basegfx::B2DSize& rSpriteSizePixel ) { // Enlarge or reduce the sprite size, if necessary. This // method employs a strategy similar to container, when // allocating memory: size is doubled or halved everytime // the limit is reached. This makes for amortized constant // time in runtime complexity. Note that we take exact // powers of two here, since several HW-accelerated canvas // implementations are limited to such sprite sizes // (otherwise, those implementations would internally // round up, too, wasting precious mem). ::basegfx::B2DSize aNewSize( maEffectiveSpriteSizePixel ); bool bNeedResize( false ); if( rSpriteSizePixel.getX() > maEffectiveSpriteSizePixel.getX() || rSpriteSizePixel.getX() < 0.5*maEffectiveSpriteSizePixel.getX() ) { // enlarge or shrink width aNewSize.setX( ::canvas::tools::nextPow2( ::basegfx::fround(rSpriteSizePixel.getX()) ) ); bNeedResize = true; } if( rSpriteSizePixel.getY() > maEffectiveSpriteSizePixel.getY() || rSpriteSizePixel.getY() < 0.5*maEffectiveSpriteSizePixel.getY() ) { // enlarge or shrink height, by doubling it aNewSize.setY( ::canvas::tools::nextPow2( ::basegfx::fround(rSpriteSizePixel.getY()) ) ); bNeedResize = true; } if( bNeedResize ) { // as the old sprite might have already been altered // (and therefore been placed in the update list of // the spritecanvas for this frame), must hide it // here, to ensure it's not visible on screen any // longer. mpSprite->hide(); maEffectiveSpriteSizePixel = aNewSize; mpSprite = mpViewLayer->createSprite( maEffectiveSpriteSizePixel ); ENSURE_AND_THROW( mpSprite.get(), "AnimatedSprite::resize(): Could not create new sprite" ); // set attributes similar to previous sprite if( mpSprite.get() && mbSpriteVisible ) { mpSprite->show(); mpSprite->setAlpha( mnAlpha ); if( maPosPixel.isValid() ) mpSprite->movePixel( maPosPixel.getValue() ); else if( maPos.isValid() ) mpSprite->move( maPos.getValue() ); if( maClip.isValid() ) mpSprite->setClip( maClip.getValue() ); } } return mpSprite.get() != NULL; } void AnimatedSprite::move( const ::basegfx::B2DPoint& rNewPos ) { maPos.setValue( rNewPos ); mpSprite->move( rNewPos ); } void AnimatedSprite::movePixel( const ::basegfx::B2DPoint& rNewPos ) { maPosPixel.setValue( rNewPos ); mpSprite->movePixel( rNewPos ); } void AnimatedSprite::setAlpha( double nAlpha ) { mnAlpha = nAlpha; mpSprite->setAlpha( nAlpha ); } void AnimatedSprite::clip( const ::basegfx::B2DPolyPolygon& rClip ) { maClip.setValue( rClip ); mpSprite->setClip( rClip ); } void AnimatedSprite::setPriority( double ) { // TODO(F3): Missing sprite priority } void AnimatedSprite::hide() { mpSprite->hide(); mbSpriteVisible = false; } void AnimatedSprite::show() { mbSpriteVisible = true; mpSprite->show(); } } }