Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 271 insertions, 0 deletions

diff --git a/vcl/source/gdi/wall.cxx b/vcl/source/gdi/wall.cxx
new file mode 100644
index 000000000..7ca75b1b1
--- /dev/null
+++ b/vcl/source/gdi/wall.cxx
@@ -0,0 +1,271 @@
+/* -*- 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/stream.hxx>
+#include <tools/vcompat.hxx>
+#include <vcl/bitmapex.hxx>
+#include <vcl/gradient.hxx>
+#include <vcl/wall.hxx>
+#include <vcl/svapp.hxx>
+#include <vcl/dibtools.hxx>
+#include <vcl/settings.hxx>
+#include <vcl/TypeSerializer.hxx>
+
+SvStream& ReadWallpaper( SvStream& rIStm, Wallpaper& rImplWallpaper )
+{
+    VersionCompatRead  aCompat(rIStm);
+
+    rImplWallpaper.maRect.SetEmpty();
+    rImplWallpaper.mpGradient.reset();
+    rImplWallpaper.maBitmap.SetEmpty();
+
+    // version 1
+    TypeSerializer aSerializer(rIStm);
+    aSerializer.readColor(rImplWallpaper.maColor);
+    sal_uInt16 nTmp16(0);
+    rIStm.ReadUInt16(nTmp16);
+    rImplWallpaper.meStyle = static_cast<WallpaperStyle>(nTmp16);
+
+    // version 2
+    if( aCompat.GetVersion() >= 2 )
+    {
+        bool bRect(false), bGrad(false), bBmp(false), bDummy;
+
+        rIStm.ReadCharAsBool( bRect ).ReadCharAsBool( bGrad ).ReadCharAsBool( bBmp ).ReadCharAsBool( bDummy ).ReadCharAsBool( bDummy ).ReadCharAsBool( bDummy );
+
+        if( bRect )
+        {
+            rImplWallpaper.maRect = tools::Rectangle();
+            aSerializer.readRectangle(rImplWallpaper.maRect);
+        }
+
+        if( bGrad )
+        {
+            rImplWallpaper.mpGradient.emplace();
+            aSerializer.readGradient(*rImplWallpaper.mpGradient);
+        }
+
+        if( bBmp )
+        {
+            rImplWallpaper.maBitmap.SetEmpty();
+            ReadDIBBitmapEx(rImplWallpaper.maBitmap, rIStm);
+        }
+
+        // version 3 (new color format)
+        if( aCompat.GetVersion() >= 3 )
+        {
+            sal_uInt32 nTmp;
+            rIStm.ReadUInt32(nTmp);
+            rImplWallpaper.maColor = ::Color(ColorTransparency, nTmp);
+        }
+    }
+
+    return rIStm;
+}
+
+SvStream& WriteWallpaper( SvStream& rOStm, const Wallpaper& rImplWallpaper )
+{
+    VersionCompatWrite aCompat(rOStm, 3);
+    bool            bRect = !rImplWallpaper.maRect.IsEmpty();
+    bool            bGrad = bool(rImplWallpaper.mpGradient);
+    bool            bBmp = !rImplWallpaper.maBitmap.IsEmpty();
+    bool            bDummy = false;
+
+    // version 1
+    TypeSerializer aSerializer(rOStm);
+    aSerializer.writeColor(rImplWallpaper.maColor);
+
+    rOStm.WriteUInt16( static_cast<sal_uInt16>(rImplWallpaper.meStyle) );
+
+    // version 2
+    rOStm.WriteBool( bRect ).WriteBool( bGrad ).WriteBool( bBmp ).WriteBool( bDummy ).WriteBool( bDummy ).WriteBool( bDummy );
+
+    if( bRect )
+    {
+        aSerializer.writeRectangle(rImplWallpaper.maRect);
+    }
+
+    if (bGrad)
+    {
+        aSerializer.writeGradient(*rImplWallpaper.mpGradient);
+    }
+
+    if( bBmp )
+        WriteDIBBitmapEx(rImplWallpaper.maBitmap, rOStm);
+
+    // version 3 (new color format)
+    rOStm.WriteUInt32(static_cast<sal_uInt32>(rImplWallpaper.maColor));
+
+    return rOStm;
+}
+
+Wallpaper::Wallpaper() :
+    maColor( COL_TRANSPARENT ), meStyle( WallpaperStyle::NONE )
+{
+}
+
+Wallpaper::Wallpaper( const Wallpaper& ) = default;
+
+Wallpaper::Wallpaper( Wallpaper&& ) = default;
+
+Wallpaper::Wallpaper( const Color& rColor )
+{
+    maColor    = rColor;
+    meStyle    = WallpaperStyle::Tile;
+}
+
+Wallpaper::Wallpaper( const BitmapEx& rBmpEx )
+{
+    maBitmap   = rBmpEx;
+    meStyle    = WallpaperStyle::Tile;
+}
+
+Wallpaper::~Wallpaper() = default;
+
+void Wallpaper::ImplSetCachedBitmap( const BitmapEx& rBmp ) const
+{
+    maCache = rBmp;
+}
+
+const BitmapEx* Wallpaper::ImplGetCachedBitmap() const
+{
+    return maCache.IsEmpty() ? nullptr : &maCache;
+}
+
+void Wallpaper::ImplReleaseCachedBitmap() const
+{
+    maCache.SetEmpty();
+}
+
+void Wallpaper::SetColor( const Color& rColor )
+{
+    maCache.SetEmpty();
+    maColor = rColor;
+
+    if( WallpaperStyle::NONE == meStyle || WallpaperStyle::ApplicationGradient == meStyle )
+        meStyle = WallpaperStyle::Tile;
+}
+
+void Wallpaper::SetStyle( WallpaperStyle eStyle )
+{
+    if( eStyle == WallpaperStyle::ApplicationGradient )
+        // set a dummy gradient, the correct gradient
+        // will be created dynamically in GetGradient()
+        SetGradient( ImplGetApplicationGradient() );
+
+    meStyle = eStyle;
+}
+
+void Wallpaper::SetBitmap( const BitmapEx& rBitmap )
+{
+    maCache.SetEmpty();
+    maBitmap = rBitmap;
+
+    if( WallpaperStyle::NONE == meStyle || WallpaperStyle::ApplicationGradient == meStyle)
+        meStyle = WallpaperStyle::Tile;
+}
+
+const BitmapEx & Wallpaper::GetBitmap() const
+{
+    return maBitmap;
+}
+
+bool Wallpaper::IsBitmap() const
+{
+    return !maBitmap.IsEmpty();
+}
+
+void Wallpaper::SetGradient( const Gradient& rGradient )
+{
+    maCache.SetEmpty();
+    mpGradient = rGradient;
+
+    if( WallpaperStyle::NONE == meStyle || WallpaperStyle::ApplicationGradient == meStyle )
+        meStyle = WallpaperStyle::Tile;
+}
+
+Gradient Wallpaper::GetGradient() const
+{
+    if( WallpaperStyle::ApplicationGradient == meStyle )
+        return ImplGetApplicationGradient();
+    else if ( mpGradient )
+        return *mpGradient;
+    else
+        return Gradient();
+}
+
+bool Wallpaper::IsGradient() const
+{
+    return bool(mpGradient);
+}
+
+Gradient Wallpaper::ImplGetApplicationGradient()
+{
+    Gradient g;
+    g.SetAngle( 900_deg10 );
+    g.SetStyle( GradientStyle::Linear );
+    g.SetStartColor( Application::GetSettings().GetStyleSettings().GetFaceColor() );
+    // no 'extreme' gradient when high contrast
+    if( Application::GetSettings().GetStyleSettings().GetHighContrastMode() )
+        g.SetEndColor( Application::GetSettings().GetStyleSettings().GetFaceColor() );
+    else
+        g.SetEndColor( Application::GetSettings().GetStyleSettings().GetFaceGradientColor() );
+    return g;
+}
+
+bool Wallpaper::IsRect() const
+{
+    return !maRect.IsEmpty();
+}
+
+bool Wallpaper::IsFixed() const
+{
+    if ( meStyle == WallpaperStyle::NONE )
+        return false;
+    else
+        return (maBitmap.IsEmpty() && !mpGradient);
+}
+
+bool Wallpaper::IsScrollable() const
+{
+    if ( meStyle == WallpaperStyle::NONE )
+        return false;
+    else if ( maBitmap.IsEmpty() && !mpGradient )
+        return true;
+    else if ( !maBitmap.IsEmpty() )
+        return (meStyle == WallpaperStyle::Tile);
+    else
+        return false;
+}
+
+Wallpaper& Wallpaper::operator=( const Wallpaper& ) = default;
+
+Wallpaper& Wallpaper::operator=( Wallpaper&& ) = default;
+
+bool Wallpaper::operator==( const Wallpaper& rOther ) const
+{
+    return meStyle == rOther.meStyle &&
+        maColor == rOther.maColor &&
+        maRect == rOther.maRect &&
+        maBitmap == rOther.maBitmap &&
+        mpGradient == rOther.mpGradient;
+}
+
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */