From ed5640d8b587fbcfed7dd7967f3de04b37a76f26 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 7 Apr 2024 11:06:44 +0200
Subject: Adding upstream version 4:7.4.7.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 canvas/source/vcl/canvasbitmap.cxx | 122 +++++++++++++++++++++++++++++++++++++
 1 file changed, 122 insertions(+)
 create mode 100644 canvas/source/vcl/canvasbitmap.cxx

(limited to 'canvas/source/vcl/canvasbitmap.cxx')

diff --git a/canvas/source/vcl/canvasbitmap.cxx b/canvas/source/vcl/canvasbitmap.cxx
new file mode 100644
index 000000000..9ae37c2c4
--- /dev/null
+++ b/canvas/source/vcl/canvasbitmap.cxx
@@ -0,0 +1,122 @@
+/* -*- 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: */
-- 
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