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Diffstat (limited to 'canvas/source/vcl/canvascustomsprite.cxx')
| -rw-r--r-- | canvas/source/vcl/canvascustomsprite.cxx | 197 |
1 files changed, 197 insertions, 0 deletions
diff --git a/canvas/source/vcl/canvascustomsprite.cxx b/canvas/source/vcl/canvascustomsprite.cxx new file mode 100644 index 000000000000..a55109a9749f --- /dev/null +++ b/canvas/source/vcl/canvascustomsprite.cxx @@ -0,0 +1,197 @@ +/************************************************************************* + * + * 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 <canvas/debug.hxx> +#include <tools/diagnose_ex.h> +#include <canvas/verbosetrace.hxx> + +#include <rtl/math.hxx> + +#include <vcl/outdev.hxx> +#include <vcl/bitmap.hxx> +#include <vcl/alpha.hxx> +#include <vcl/bitmapex.hxx> +#include <vcl/canvastools.hxx> + +#include <basegfx/matrix/b2dhommatrix.hxx> +#include <basegfx/point/b2dpoint.hxx> +#include <basegfx/tools/canvastools.hxx> +#include <basegfx/polygon/b2dpolygon.hxx> +#include <basegfx/polygon/b2dpolygontools.hxx> +#include <basegfx/polygon/b2dpolypolygontools.hxx> +#include <basegfx/numeric/ftools.hxx> + +#include <canvas/canvastools.hxx> + +#include "canvascustomsprite.hxx" + + +using namespace ::com::sun::star; + + +namespace vclcanvas +{ + + CanvasCustomSprite::CanvasCustomSprite( const geometry::RealSize2D& rSpriteSize, + rendering::XGraphicDevice& rDevice, + const ::canvas::SpriteSurface::Reference& rOwningSpriteCanvas, + const OutDevProviderSharedPtr& rOutDevProvider, + bool bShowSpriteBounds ) + { + ENSURE_OR_THROW( rOwningSpriteCanvas.get() && + rOutDevProvider, + "CanvasCustomSprite::CanvasCustomSprite(): Invalid sprite canvas" ); + + // setup back buffer + // ----------------- + + const ::Size aSize( + static_cast<sal_Int32>( ::std::max( 1.0, + ceil( rSpriteSize.Width ))), // round up to nearest int, + // enforce sprite to have at + // least (1,1) pixel size + static_cast<sal_Int32>( ::std::max( 1.0, + ceil( rSpriteSize.Height ))) ); + + // create content backbuffer in screen depth + BackBufferSharedPtr pBackBuffer( new BackBuffer( rOutDevProvider->getOutDev() ) ); + pBackBuffer->setSize( aSize ); + + // create mask backbuffer, with one bit color depth + BackBufferSharedPtr pBackBufferMask( new BackBuffer( rOutDevProvider->getOutDev(), + true ) ); + pBackBufferMask->setSize( aSize ); + + // TODO(F1): Implement alpha vdev (could prolly enable + // antialiasing again, then) + + // disable font antialiasing (causes ugly shadows otherwise) + pBackBuffer->getOutDev().SetAntialiasing( ANTIALIASING_DISABLE_TEXT ); + pBackBufferMask->getOutDev().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->getOutDev().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( rDevice, + pBackBuffer, + false, + true ); + maCanvasHelper.setBackgroundOutDev( pBackBufferMask ); + + + // setup sprite helper + // ------------------- + + maSpriteHelper.init( rSpriteSize, + rOwningSpriteCanvas, + pBackBuffer, + pBackBufferMask, + bShowSpriteBounds ); + + // clear sprite to 100% transparent + maCanvasHelper.clear(); + } + + void SAL_CALL CanvasCustomSprite::disposing() + { + tools::LocalGuard aGuard; + + // 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 rendering::ViewState& viewState, + const rendering::RenderState& renderState, + const ::Point& rPt, + const ::Size& rSz, + const GraphicAttr& rAttr ) const + { + tools::LocalGuard aGuard; + + mbSurfaceDirty = true; + + return maCanvasHelper.repaint( rGrf, viewState, renderState, rPt, rSz, rAttr ); + } + +} |