diff options
Diffstat (limited to 'canvas/source/directx/dx_spritehelper.cxx')
| -rwxr-xr-x | canvas/source/directx/dx_spritehelper.cxx | 216 |
1 files changed, 216 insertions, 0 deletions
diff --git a/canvas/source/directx/dx_spritehelper.cxx b/canvas/source/directx/dx_spritehelper.cxx new file mode 100755 index 000000000000..d0b0c3e2101e --- /dev/null +++ b/canvas/source/directx/dx_spritehelper.cxx @@ -0,0 +1,216 @@ +/************************************************************************* + * + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * Copyright 2000, 2010 Oracle and/or its affiliates. + * + * OpenOffice.org - a multi-platform office productivity suite + * + * This file is part of OpenOffice.org. + * + * OpenOffice.org is free software: you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License version 3 + * only, as published by the Free Software Foundation. + * + * OpenOffice.org 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 version 3 for more details + * (a copy is included in the LICENSE file that accompanied this code). + * + * You should have received a copy of the GNU Lesser General Public License + * version 3 along with OpenOffice.org. If not, see + * <http://www.openoffice.org/license.html> + * for a copy of the LGPLv3 License. + * + ************************************************************************/ + +// MARKER(update_precomp.py): autogen include statement, do not remove +#include "precompiled_canvas.hxx" + +#include <ctype.h> // don't ask. msdev breaks otherwise... +#include <canvas/debug.hxx> +#include <canvas/verbosetrace.hxx> +#include <tools/diagnose_ex.h> + +#include <rtl/logfile.hxx> +#include <rtl/math.hxx> + +#include <canvas/canvastools.hxx> + +#include <basegfx/matrix/b2dhommatrix.hxx> +#include <basegfx/point/b2dpoint.hxx> +#include <basegfx/tools/canvastools.hxx> +#include <basegfx/numeric/ftools.hxx> +#include <basegfx/polygon/b2dpolypolygontools.hxx> +#include <basegfx/polygon/b2dpolygontools.hxx> +#include <basegfx/polygon/b2dpolypolygonrasterconverter.hxx> +#include <basegfx/polygon/b2dpolygontriangulator.hxx> +#include <basegfx/polygon/b2dpolygoncutandtouch.hxx> + +#include "dx_canvascustomsprite.hxx" +#include "dx_spritehelper.hxx" +#include "dx_impltools.hxx" + +#include <memory> + +using namespace ::com::sun::star; + +namespace dxcanvas +{ + SpriteHelper::SpriteHelper() : + mpSpriteCanvas(), + mpBitmap(), + mbTextureDirty( true ), + mbShowSpriteBounds( false ) + { + } + + void SpriteHelper::init( const geometry::RealSize2D& rSpriteSize, + const SpriteCanvasRef& rSpriteCanvas, + const IDXRenderModuleSharedPtr& rRenderModule, + const DXSurfaceBitmapSharedPtr rBitmap, + bool bShowSpriteBounds ) + { + ENSURE_OR_THROW( rSpriteCanvas.get() && + rRenderModule && + rBitmap, + "SpriteHelper::init(): Invalid device, sprite canvas or surface" ); + + mpSpriteCanvas = rSpriteCanvas; + mpBitmap = rBitmap; + mbTextureDirty = true; + mbShowSpriteBounds = bShowSpriteBounds; + + // also init base class + CanvasCustomSpriteHelper::init( rSpriteSize, + rSpriteCanvas.get() ); + } + + void SpriteHelper::disposing() + { + mpBitmap.reset(); + mpSpriteCanvas.clear(); + + // forward to parent + CanvasCustomSpriteHelper::disposing(); + } + + ::basegfx::B2DPolyPolygon SpriteHelper::polyPolygonFromXPolyPolygon2D( uno::Reference< rendering::XPolyPolygon2D >& xPoly ) const + { + return tools::polyPolygonFromXPolyPolygon2D( xPoly ); + } + + bool SpriteHelper::needRedraw() const + { + if( !mpBitmap || + !mpSpriteCanvas.get() ) + { + return false; // we're disposed, no redraw necessary + } + + if( !isActive() || + ::basegfx::fTools::equalZero( getAlpha() ) ) + { + return false; // sprite is invisible + } + + return true; + } + + void SpriteHelper::redraw( bool& io_bSurfaceDirty ) const + { + if( !mpBitmap || + !mpSpriteCanvas.get() ) + { + return; // we're disposed + } + + const ::basegfx::B2DPoint& rPos( getPosPixel() ); + const double fAlpha( getAlpha() ); + + if( isActive() && + !::basegfx::fTools::equalZero( fAlpha ) ) + { + + // TODO(Q2): For the time being, Device does not take a target + // surface, but always unconditionally renders to the + // background buffer. + + // log output pos in device pixel + VERBOSE_TRACE( "SpriteHelper::redraw(): output pos is (%f, %f)", + rPos.getX(), + rPos.getY() ); + + const double fAlpha( getAlpha() ); + const ::basegfx::B2DVector& rSize( getSizePixel() ); + const ::basegfx::B2DHomMatrix& rTransform( getTransformation() ); + const uno::Reference< rendering::XPolyPolygon2D >& xClip( getClip() ); + + mbTextureDirty = false; + io_bSurfaceDirty = false; // state taken, and processed. + + ::basegfx::B2DPolyPolygon aClipPath; // empty for no clip + bool bIsClipRectangular( false ); // false, if no + // clip, or clip + // is complex + + // setup and apply clip (if any) + // ================================= + + if( xClip.is() ) + { + aClipPath = tools::polyPolygonFromXPolyPolygon2D( xClip ); + + const sal_Int32 nNumClipPolygons( aClipPath.count() ); + if( nNumClipPolygons ) + { + // TODO(P2): hold rectangle attribute directly + // at the XPolyPolygon2D + + // check whether the clip is rectangular + if( nNumClipPolygons == 1 ) + if( ::basegfx::tools::isRectangle( aClipPath.getB2DPolygon( 0 ) ) ) + bIsClipRectangular = true; + } + } + + const ::basegfx::B2DRectangle aSourceRect( 0.0, + 0.0, + rSize.getX(), + rSize.getY() ); + + // draw simple rectangular area if no clip is set. + if( !aClipPath.count() ) + { + mpBitmap->draw(fAlpha,rPos,rTransform); + } + else if( bIsClipRectangular ) + { + // apply a simple rect clip + // ======================== + + ::basegfx::B2DRectangle aClipBounds( + ::basegfx::tools::getRange( aClipPath ) ); + aClipBounds.intersect( aSourceRect ); + + mpBitmap->draw(fAlpha,rPos,aClipBounds,rTransform); + } + else + { + // apply clip the hard way + // ======================= + + mpBitmap->draw(fAlpha,rPos,aClipPath,rTransform); + } + + if( mbShowSpriteBounds ) + { + if( aClipPath.count() ) + { + // TODO(F2): Re-enable debug output + } + } + } + } +} |