1 files changed, 324 insertions, 0 deletions
diff --git a/vcl/source/gdi/impanmvw.cxx b/vcl/source/gdi/impanmvw.cxx
new file mode 100644
index 000000000..00a02912a
--- /dev/null
+++ b/vcl/source/gdi/impanmvw.cxx
@@ -0,0 +1,324 @@
+/* -*- 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 <memory>
+#include <impanmvw.hxx>
+
+#include <vcl/virdev.hxx>
+#include <vcl/window.hxx>
+#include <tools/helpers.hxx>
+
+#include <window.h>
+
+ImplAnimView::ImplAnimView( Animation* pParent, OutputDevice* pOut,
+                            const Point& rPt, const Size& rSz,
+                            sal_uLong nExtraData,
+                            OutputDevice* pFirstFrameOutDev ) :
+        mpParent        ( pParent ),
+        mpRenderContext ( pFirstFrameOutDev ? pFirstFrameOutDev : pOut ),
+        mnExtraData     ( nExtraData ),
+        maPt            ( rPt ),
+        maSz            ( rSz ),
+        maSzPix         ( mpRenderContext->LogicToPixel( maSz ) ),
+        maClip          ( mpRenderContext->GetClipRegion() ),
+        mpBackground    ( VclPtr<VirtualDevice>::Create() ),
+        mpRestore       ( VclPtr<VirtualDevice>::Create() ),
+        mnActPos        ( 0 ),
+        meLastDisposal  ( Disposal::Back ),
+        mbIsPaused      ( false ),
+        mbIsMarked      ( false ),
+        mbIsMirroredHorizontally         ( maSz.Width() < 0 ),
+        mbIsMirroredVertically         ( maSz.Height() < 0 )
+{
+    Animation::ImplIncAnimCount();
+
+    // Mirrored horizontally?
+    if( mbIsMirroredHorizontally )
+    {
+        maDispPt.setX( maPt.X() + maSz.Width() + 1 );
+        maDispSz.setWidth( -maSz.Width() );
+        maSzPix.setWidth( -maSzPix.Width() );
+    }
+    else
+    {
+        maDispPt.setX( maPt.X() );
+        maDispSz.setWidth( maSz.Width() );
+    }
+
+    // Mirrored vertically?
+    if( mbIsMirroredVertically )
+    {
+        maDispPt.setY( maPt.Y() + maSz.Height() + 1 );
+        maDispSz.setHeight( -maSz.Height() );
+        maSzPix.setHeight( -maSzPix.Height() );
+    }
+    else
+    {
+        maDispPt.setY( maPt.Y() );
+        maDispSz.setHeight( maSz.Height() );
+    }
+
+    // save background
+    mpBackground->SetOutputSizePixel( maSzPix );
+    mpRenderContext->SaveBackground(*mpBackground, maDispPt, maDispSz, maSzPix);
+
+    // Initialize drawing to actual position
+    drawToPos( mpParent->ImplGetCurPos() );
+
+    // If first frame OutputDevice is set, update variables now for real OutputDevice
+    if( pFirstFrameOutDev )
+    {
+        mpRenderContext = pOut;
+        maClip = mpRenderContext->GetClipRegion();
+    }
+}
+
+ImplAnimView::~ImplAnimView()
+{
+    mpBackground.disposeAndClear();
+    mpRestore.disposeAndClear();
+
+    Animation::ImplDecAnimCount();
+}
+
+bool ImplAnimView::matches(const OutputDevice* pOut, tools::Long nExtraData) const
+{
+    return (!pOut || pOut == mpRenderContext) && (nExtraData == 0 || nExtraData == mnExtraData);
+}
+
+void ImplAnimView::getPosSize( const AnimationBitmap& rAnimationBitmap, Point& rPosPix, Size& rSizePix )
+{
+    const Size& rAnmSize = mpParent->GetDisplaySizePixel();
+    Point       aPt2( rAnimationBitmap.maPositionPixel.X() + rAnimationBitmap.maSizePixel.Width() - 1,
+                      rAnimationBitmap.maPositionPixel.Y() + rAnimationBitmap.maSizePixel.Height() - 1 );
+    double      fFactX, fFactY;
+
+    // calculate x scaling
+    if( rAnmSize.Width() > 1 )
+        fFactX = static_cast<double>( maSzPix.Width() - 1 ) / ( rAnmSize.Width() - 1 );
+    else
+        fFactX = 1.0;
+
+    // calculate y scaling
+    if( rAnmSize.Height() > 1 )
+        fFactY = static_cast<double>( maSzPix.Height() - 1 ) / ( rAnmSize.Height() - 1 );
+    else
+        fFactY = 1.0;
+
+    rPosPix.setX( FRound( rAnimationBitmap.maPositionPixel.X() * fFactX ) );
+    rPosPix.setY( FRound( rAnimationBitmap.maPositionPixel.Y() * fFactY ) );
+
+    aPt2.setX( FRound( aPt2.X() * fFactX ) );
+    aPt2.setY( FRound( aPt2.Y() * fFactY ) );
+
+    rSizePix.setWidth( aPt2.X() - rPosPix.X() + 1 );
+    rSizePix.setHeight( aPt2.Y() - rPosPix.Y() + 1 );
+
+    // Mirrored horizontally?
+    if( mbIsMirroredHorizontally )
+        rPosPix.setX( maSzPix.Width() - 1 - aPt2.X() );
+
+    // Mirrored vertically?
+    if( mbIsMirroredVertically )
+        rPosPix.setY( maSzPix.Height() - 1 - aPt2.Y() );
+}
+
+void ImplAnimView::drawToPos( sal_uLong nPos )
+{
+    VclPtr<vcl::RenderContext> pRenderContext = mpRenderContext;
+
+    vcl::PaintBufferGuardPtr pGuard;
+    if (mpRenderContext->GetOutDevType() == OUTDEV_WINDOW)
+    {
+        vcl::Window* pWindow = static_cast<vcl::WindowOutputDevice*>(mpRenderContext.get())->GetOwnerWindow();
+        pGuard.reset(new vcl::PaintBufferGuard(pWindow->ImplGetWindowImpl()->mpFrameData, pWindow));
+        pRenderContext = pGuard->GetRenderContext();
+    }
+
+    ScopedVclPtrInstance<VirtualDevice> aVDev;
+    std::optional<vcl::Region> xOldClip;
+    if (!maClip.IsNull())
+        xOldClip = pRenderContext->GetClipRegion();
+
+    aVDev->SetOutputSizePixel( maSzPix, false );
+    nPos = std::min( nPos, static_cast<sal_uLong>(mpParent->Count()) - 1 );
+
+    for( sal_uLong i = 0; i <= nPos; i++ )
+        draw( i, aVDev.get() );
+
+    if (xOldClip)
+        pRenderContext->SetClipRegion( maClip );
+
+    pRenderContext->DrawOutDev( maDispPt, maDispSz, Point(), maSzPix, *aVDev );
+    if (pGuard)
+        pGuard->SetPaintRect(tools::Rectangle(maDispPt, maDispSz));
+
+    if (xOldClip)
+        pRenderContext->SetClipRegion(*xOldClip);
+}
+
+void ImplAnimView::draw( sal_uLong nPos, VirtualDevice* pVDev )
+{
+    VclPtr<vcl::RenderContext> pRenderContext = mpRenderContext;
+
+    vcl::PaintBufferGuardPtr pGuard;
+    if (!pVDev && mpRenderContext->GetOutDevType() == OUTDEV_WINDOW)
+    {
+        vcl::Window* pWindow = static_cast<vcl::WindowOutputDevice*>(mpRenderContext.get())->GetOwnerWindow();
+        pGuard.reset(new vcl::PaintBufferGuard(pWindow->ImplGetWindowImpl()->mpFrameData, pWindow));
+        pRenderContext = pGuard->GetRenderContext();
+    }
+
+    tools::Rectangle aOutRect( pRenderContext->PixelToLogic( Point() ), pRenderContext->GetOutputSize() );
+
+    // check, if output lies out of display
+    if( aOutRect.Intersection( tools::Rectangle( maDispPt, maDispSz ) ).IsEmpty() )
+        setMarked( true );
+    else if( !mbIsPaused )
+    {
+        VclPtr<VirtualDevice>   pDev;
+        Point                   aPosPix;
+        Point                   aBmpPosPix;
+        Size                    aSizePix;
+        Size                    aBmpSizePix;
+        const sal_uLong             nLastPos = mpParent->Count() - 1;
+        mnActPos = std::min( nPos, nLastPos );
+        const AnimationBitmap&  rAnimationBitmap = mpParent->Get( static_cast<sal_uInt16>( mnActPos ) );
+
+        getPosSize( rAnimationBitmap, aPosPix, aSizePix );
+
+        // Mirrored horizontally?
+        if( mbIsMirroredHorizontally )
+        {
+            aBmpPosPix.setX( aPosPix.X() + aSizePix.Width() - 1 );
+            aBmpSizePix.setWidth( -aSizePix.Width() );
+        }
+        else
+        {
+            aBmpPosPix.setX( aPosPix.X() );
+            aBmpSizePix.setWidth( aSizePix.Width() );
+        }
+
+        // Mirrored vertically?
+        if( mbIsMirroredVertically )
+        {
+            aBmpPosPix.setY( aPosPix.Y() + aSizePix.Height() - 1 );
+            aBmpSizePix.setHeight( -aSizePix.Height() );
+        }
+        else
+        {
+            aBmpPosPix.setY( aPosPix.Y() );
+            aBmpSizePix.setHeight( aSizePix.Height() );
+        }
+
+        // get output device
+        if( !pVDev )
+        {
+            pDev = VclPtr<VirtualDevice>::Create();
+            pDev->SetOutputSizePixel( maSzPix, false );
+            pDev->DrawOutDev( Point(), maSzPix, maDispPt, maDispSz, *pRenderContext );
+        }
+        else
+            pDev = pVDev;
+
+        // restore background after each run
+        if( !nPos )
+        {
+            meLastDisposal = Disposal::Back;
+            maRestPt = Point();
+            maRestSz = maSzPix;
+        }
+
+        // restore
+        if( ( Disposal::Not != meLastDisposal ) && maRestSz.Width() && maRestSz.Height() )
+        {
+            if( Disposal::Back == meLastDisposal )
+                pDev->DrawOutDev( maRestPt, maRestSz, maRestPt, maRestSz, *mpBackground );
+            else
+                pDev->DrawOutDev( maRestPt, maRestSz, Point(), maRestSz, *mpRestore );
+        }
+
+        meLastDisposal = rAnimationBitmap.meDisposal;
+        maRestPt = aPosPix;
+        maRestSz = aSizePix;
+
+        // What do we need to restore the next time?
+        // Put it into a bitmap if needed, else delete
+        // SaveBitmap to conserve memory
+        if( ( meLastDisposal == Disposal::Back ) || ( meLastDisposal == Disposal::Not ) )
+            mpRestore->SetOutputSizePixel( Size( 1, 1 ), false );
+        else
+        {
+            mpRestore->SetOutputSizePixel( maRestSz, false );
+            mpRestore->DrawOutDev( Point(), maRestSz, aPosPix, aSizePix, *pDev );
+        }
+
+        pDev->DrawBitmapEx( aBmpPosPix, aBmpSizePix, rAnimationBitmap.maBitmapEx );
+
+        if( !pVDev )
+        {
+            std::optional<vcl::Region> xOldClip;
+            if (!maClip.IsNull())
+                xOldClip = pRenderContext->GetClipRegion();
+
+            if (xOldClip)
+                pRenderContext->SetClipRegion( maClip );
+
+            pRenderContext->DrawOutDev( maDispPt, maDispSz, Point(), maSzPix, *pDev );
+            if (pGuard)
+                pGuard->SetPaintRect(tools::Rectangle(maDispPt, maDispSz));
+
+            if( xOldClip)
+            {
+                pRenderContext->SetClipRegion(*xOldClip);
+                xOldClip.reset();
+            }
+
+            pDev.disposeAndClear();
+            pRenderContext->Flush();
+        }
+    }
+}
+
+void ImplAnimView::repaint()
+{
+    const bool bOldPause = mbIsPaused;
+
+    mpRenderContext->SaveBackground(*mpBackground, maDispPt, maDispSz, maSzPix);
+
+    mbIsPaused = false;
+    drawToPos( mnActPos );
+    mbIsPaused = bOldPause;
+}
+
+AInfo* ImplAnimView::createAInfo() const
+{
+    AInfo* pAInfo = new AInfo;
+
+    pAInfo->aStartOrg = maPt;
+    pAInfo->aStartSize = maSz;
+    pAInfo->pOutDev = mpRenderContext;
+    pAInfo->pViewData = const_cast<ImplAnimView *>(this);
+    pAInfo->nExtraData = mnExtraData;
+    pAInfo->bPause = mbIsPaused;
+
+    return pAInfo;
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */