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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/cairo/cairo_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>
Diffstat (limited to '')
-rw-r--r--canvas/source/cairo/cairo_canvasbitmap.cxx163
1 files changed, 163 insertions, 0 deletions
diff --git a/canvas/source/cairo/cairo_canvasbitmap.cxx b/canvas/source/cairo/cairo_canvasbitmap.cxx
new file mode 100644
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+++ b/canvas/source/cairo/cairo_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 <sal/log.hxx>
+
+#include <cppuhelper/supportsservice.hxx>
+#include <tools/diagnose_ex.h>
+#include <utility>
+#include <vcl/bitmapex.hxx>
+#include <vcl/BitmapTools.hxx>
+
+#include <cairo.h>
+
+#include "cairo_canvasbitmap.hxx"
+
+using namespace ::cairo;
+using namespace ::com::sun::star;
+
+namespace cairocanvas
+{
+ CanvasBitmap::CanvasBitmap( const ::basegfx::B2ISize& rSize,
+ SurfaceProviderRef rSurfaceProvider,
+ rendering::XGraphicDevice* pDevice,
+ bool bHasAlpha ) :
+ mpSurfaceProvider(std::move( rSurfaceProvider )),
+ maSize(rSize),
+ mbHasAlpha(bHasAlpha)
+ {
+ ENSURE_OR_THROW( mpSurfaceProvider.is(),
+ "CanvasBitmap::CanvasBitmap(): Invalid surface or device" );
+
+ SAL_INFO(
+ "canvas.cairo",
+ "bitmap size: " << rSize.getX() << "x" << rSize.getY());
+
+ mpBufferSurface = mpSurfaceProvider->createSurface( rSize, bHasAlpha ? CAIRO_CONTENT_COLOR_ALPHA : CAIRO_CONTENT_COLOR );
+ mpBufferCairo = mpBufferSurface->getCairo();
+
+ maCanvasHelper.init( rSize, *mpSurfaceProvider, pDevice );
+ maCanvasHelper.setSurface( mpBufferSurface, bHasAlpha );
+
+ // clear bitmap to 100% transparent
+ maCanvasHelper.clear();
+ }
+
+ void CanvasBitmap::disposeThis()
+ {
+ mpSurfaceProvider.clear();
+
+ mpBufferCairo.reset();
+ mpBufferSurface.reset();
+
+ // forward to parent
+ CanvasBitmap_Base::disposeThis();
+ }
+
+ SurfaceSharedPtr CanvasBitmap::getSurface()
+ {
+ return mpBufferSurface;
+ }
+
+ SurfaceSharedPtr CanvasBitmap::createSurface( const ::basegfx::B2ISize& rSize, int aContent )
+ {
+ return mpSurfaceProvider->createSurface(rSize,aContent);
+ }
+
+ SurfaceSharedPtr CanvasBitmap::createSurface( ::Bitmap& rBitmap )
+ {
+ return mpSurfaceProvider->createSurface(rBitmap);
+ }
+
+ SurfaceSharedPtr CanvasBitmap::changeSurface()
+ {
+ // non-modifiable surface here
+ return SurfaceSharedPtr();
+ }
+
+ OutputDevice* CanvasBitmap::getOutputDevice()
+ {
+ return mpSurfaceProvider->getOutputDevice();
+ }
+
+ bool CanvasBitmap::repaint( const SurfaceSharedPtr& pSurface,
+ const rendering::ViewState& viewState,
+ const rendering::RenderState& renderState )
+ {
+ return maCanvasHelper.repaint( pSurface, viewState, renderState );
+ }
+
+ uno::Any SAL_CALL CanvasBitmap::getFastPropertyValue( sal_Int32 nHandle )
+ {
+ uno::Any aRV( sal_Int32(0) );
+ // 0 ... get BitmapEx
+ // 1 ... get Pixbuf with bitmap RGB content
+ // 2 ... return nothing (empty Any)
+ switch( nHandle )
+ {
+ case 0:
+ {
+ aRV <<= reinterpret_cast<sal_Int64>( nullptr );
+ if ( !mbHasAlpha )
+ break;
+
+ BitmapEx* pBitmapEx = vcl::bitmap::CreateFromCairoSurface(
+ ::Size( maSize.getX(), maSize.getY() ),
+ getSurface()->getCairoSurface().get());
+ if (pBitmapEx)
+ aRV <<= reinterpret_cast<sal_Int64>( pBitmapEx );
+
+ break;
+ }
+ case 1:
+ {
+ aRV = getOutputDevice()->GetNativeSurfaceHandle(mpBufferSurface, maSize);
+ break;
+ }
+ case 2:
+ {
+ // Always return nothing - for the RGB surface support.
+ // Alpha code paths go via the above case 0.
+ aRV = uno::Any();
+ break;
+ }
+ }
+
+ return aRV;
+ }
+
+ OUString SAL_CALL CanvasBitmap::getImplementationName( )
+ {
+ return "CairoCanvas.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" };
+ }
+
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */