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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 09:06:44 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 09:06:44 +0000 |
commit | ed5640d8b587fbcfed7dd7967f3de04b37a76f26 (patch) | |
tree | 7a5f7c6c9d02226d7471cb3cc8fbbf631b415303 /slideshow/source/engine/slidebitmap.cxx | |
parent | Initial commit. (diff) | |
download | libreoffice-ed5640d8b587fbcfed7dd7967f3de04b37a76f26.tar.xz libreoffice-ed5640d8b587fbcfed7dd7967f3de04b37a76f26.zip |
Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | slideshow/source/engine/slidebitmap.cxx | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/slideshow/source/engine/slidebitmap.cxx b/slideshow/source/engine/slidebitmap.cxx new file mode 100644 index 000000000..368cb070c --- /dev/null +++ b/slideshow/source/engine/slidebitmap.cxx @@ -0,0 +1,112 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed + * with this work for additional information regarding copyright + * ownership. The ASF licenses this file to you under the Apache + * License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0 . + */ + + +#include <tools/diagnose_ex.h> +#include <slidebitmap.hxx> + +#include <com/sun/star/rendering/XCanvas.hpp> +#include <com/sun/star/rendering/XBitmap.hpp> + +#include <basegfx/matrix/b2dhommatrix.hxx> +#include <basegfx/matrix/b2dhommatrixtools.hxx> + +#include <canvas/canvastools.hxx> +#include <basegfx/utils/canvastools.hxx> + + +using namespace ::com::sun::star; + +namespace slideshow::internal +{ + + SlideBitmap::SlideBitmap( const ::cppcanvas::BitmapSharedPtr& rBitmap ) : + maOutputPos(), + maClipPoly(), + mxBitmap() + { + if( rBitmap ) + mxBitmap = rBitmap->getUNOBitmap(); + + ENSURE_OR_THROW( mxBitmap.is(), "SlideBitmap::SlideBitmap(): Invalid bitmap" ); + } + + bool SlideBitmap::draw( const ::cppcanvas::CanvasSharedPtr& rCanvas ) const + { + ENSURE_OR_RETURN_FALSE( rCanvas && rCanvas->getUNOCanvas().is(), + "SlideBitmap::draw(): Invalid canvas" ); + + // selectively only copy the transformation from current viewstate, + // don't want no clipping here. + rendering::ViewState aViewState; + aViewState.AffineTransform = rCanvas->getViewState().AffineTransform; + + rendering::RenderState aRenderState; + ::canvas::tools::initRenderState( aRenderState ); + + const basegfx::B2DHomMatrix aTranslation(basegfx::utils::createTranslateB2DHomMatrix(maOutputPos)); + ::canvas::tools::setRenderStateTransform( aRenderState, aTranslation ); + + try + { + if( maClipPoly.count() ) + { + // TODO(P1): Buffer the clip polygon + aRenderState.Clip = + ::basegfx::unotools::xPolyPolygonFromB2DPolyPolygon( + rCanvas->getUNOCanvas()->getDevice(), + maClipPoly ); + } + + rCanvas->getUNOCanvas()->drawBitmap( mxBitmap, + aViewState, + aRenderState ); + } + catch( uno::Exception& ) + { + TOOLS_WARN_EXCEPTION( "slideshow", "" ); + return false; + } + + return true; + } + + ::basegfx::B2ISize SlideBitmap::getSize() const + { + return ::basegfx::unotools::b2ISizeFromIntegerSize2D( mxBitmap->getSize() ); + } + + void SlideBitmap::move( const ::basegfx::B2DPoint& rNewPos ) + { + maOutputPos = rNewPos; + } + + void SlideBitmap::clip( const ::basegfx::B2DPolyPolygon& rClipPoly ) + { + maClipPoly = rClipPoly; + } + + const css::uno::Reference< css::rendering::XBitmap >& SlideBitmap::getXBitmap() const + { + return mxBitmap; + } + +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |