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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:06:44 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:06:44 +0000
commited5640d8b587fbcfed7dd7967f3de04b37a76f26 (patch)
tree7a5f7c6c9d02226d7471cb3cc8fbbf631b415303 /canvas/source/vcl/canvasbitmap.cxx
parentInitial commit. (diff)
downloadlibreoffice-upstream.tar.xz
libreoffice-upstream.zip
Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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-rw-r--r--canvas/source/vcl/canvasbitmap.cxx122
1 files changed, 122 insertions, 0 deletions
diff --git a/canvas/source/vcl/canvasbitmap.cxx b/canvas/source/vcl/canvasbitmap.cxx
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+++ b/canvas/source/vcl/canvasbitmap.cxx
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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 <sal/config.h>
+
+#include <cppuhelper/supportsservice.hxx>
+
+#include "canvasbitmap.hxx"
+
+
+using namespace ::com::sun::star;
+
+
+namespace vclcanvas
+{
+ // Currently, the only way to generate an XBitmap is from
+ // XGraphicDevice.getCompatibleBitmap(). Therefore, we don't even
+ // take a bitmap here, but a VDev directly.
+ CanvasBitmap::CanvasBitmap( const ::Size& rSize,
+ bool bAlphaBitmap,
+ rendering::XGraphicDevice& rDevice,
+ const OutDevProviderSharedPtr& rOutDevProvider )
+ {
+ // create bitmap for given reference device
+ // ========================================
+ Bitmap aBitmap(rSize, vcl::PixelFormat::N24_BPP);
+
+ // only create alpha channel bitmap, if factory requested
+ // that. Providing alpha-channeled bitmaps by default has,
+ // especially under VCL, a huge performance penalty (have to
+ // use alpha VDev, then).
+ if( bAlphaBitmap )
+ {
+ AlphaMask aAlpha ( rSize );
+
+ maCanvasHelper.init( BitmapEx( aBitmap, aAlpha ),
+ rDevice,
+ rOutDevProvider );
+ }
+ else
+ {
+ maCanvasHelper.init( BitmapEx( aBitmap ),
+ rDevice,
+ rOutDevProvider );
+ }
+ }
+
+ CanvasBitmap::CanvasBitmap( const BitmapEx& rBitmap,
+ rendering::XGraphicDevice& rDevice,
+ const OutDevProviderSharedPtr& rOutDevProvider )
+ {
+ maCanvasHelper.init( rBitmap, rDevice, rOutDevProvider );
+ }
+
+
+ OUString SAL_CALL CanvasBitmap::getImplementationName( )
+ {
+ return "VCLCanvas.CanvasBitmap";
+ }
+
+ sal_Bool SAL_CALL CanvasBitmap::supportsService( const OUString& ServiceName )
+ {
+ return cppu::supportsService( this, ServiceName );
+ }
+
+ uno::Sequence< OUString > SAL_CALL CanvasBitmap::getSupportedServiceNames( )
+ {
+ return { "com.sun.star.rendering.CanvasBitmap" };
+ }
+
+ BitmapEx CanvasBitmap::getBitmap() const
+ {
+ SolarMutexGuard aGuard;
+
+ // TODO(T3): Rework to use shared_ptr all over the place for
+ // BmpEx. This is highly un-threadsafe
+ return maCanvasHelper.getBitmap();
+ }
+
+ bool CanvasBitmap::repaint( const GraphicObjectSharedPtr& rGrf,
+ const rendering::ViewState& viewState,
+ const rendering::RenderState& renderState,
+ const ::Point& rPt,
+ const ::Size& rSz,
+ const GraphicAttr& rAttr ) const
+ {
+ SolarMutexGuard aGuard;
+
+ mbSurfaceDirty = true;
+
+ return maCanvasHelper.repaint( rGrf, viewState, renderState, rPt, rSz, rAttr );
+ }
+
+ uno::Any SAL_CALL CanvasBitmap::getFastPropertyValue( sal_Int32 nHandle )
+ {
+ if( nHandle == 0 ) {
+ BitmapEx* pBitmapEx = new BitmapEx( getBitmap() );
+
+ return uno::Any( reinterpret_cast<sal_Int64>( pBitmapEx ) );
+ }
+
+ return uno::Any( sal_Int64(0) );
+ }
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */