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+/* -*- 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: */