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Diffstat (limited to 'vcl/source/animate/AnimationRenderer.cxx')
| -rw-r--r-- | vcl/source/animate/AnimationRenderer.cxx | 326 |
1 files changed, 326 insertions, 0 deletions
diff --git a/vcl/source/animate/AnimationRenderer.cxx b/vcl/source/animate/AnimationRenderer.cxx new file mode 100644 index 0000000000..29f386e0d3 --- /dev/null +++ b/vcl/source/animate/AnimationRenderer.cxx @@ -0,0 +1,326 @@ +/* -*- 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 <animate/AnimationRenderer.hxx> + +#include <vcl/virdev.hxx> +#include <vcl/window.hxx> +#include <tools/helpers.hxx> + +#include <window.h> + +AnimationRenderer::AnimationRenderer( Animation* pParent, OutputDevice* pOut, + const Point& rPt, const Size& rSz, + sal_uLong nRendererId, + OutputDevice* pFirstFrameOutDev ) : + mpParent ( pParent ), + mpRenderContext ( pFirstFrameOutDev ? pFirstFrameOutDev : pOut ), + mnRendererId ( nRendererId ), + maOriginPt ( rPt ), + maLogicalSize ( rSz ), + maSizePx ( mpRenderContext->LogicToPixel( maLogicalSize ) ), + maClip ( mpRenderContext->GetClipRegion() ), + mpBackground ( VclPtr<VirtualDevice>::Create() ), + mpRestore ( VclPtr<VirtualDevice>::Create() ), + mnActIndex ( 0 ), + meLastDisposal ( Disposal::Back ), + mbIsPaused ( false ), + mbIsMarked ( false ), + mbIsMirroredHorizontally( maLogicalSize.Width() < 0 ), + mbIsMirroredVertically( maLogicalSize.Height() < 0 ) +{ + Animation::ImplIncAnimCount(); + + // Mirrored horizontally? + if( mbIsMirroredHorizontally ) + { + maDispPt.setX( maOriginPt.X() + maLogicalSize.Width() + 1 ); + maDispSz.setWidth( -maLogicalSize.Width() ); + maSizePx.setWidth( -maSizePx.Width() ); + } + else + { + maDispPt.setX( maOriginPt.X() ); + maDispSz.setWidth( maLogicalSize.Width() ); + } + + // Mirrored vertically? + if( mbIsMirroredVertically ) + { + maDispPt.setY( maOriginPt.Y() + maLogicalSize.Height() + 1 ); + maDispSz.setHeight( -maLogicalSize.Height() ); + maSizePx.setHeight( -maSizePx.Height() ); + } + else + { + maDispPt.setY( maOriginPt.Y() ); + maDispSz.setHeight( maLogicalSize.Height() ); + } + + // save background + mpBackground->SetOutputSizePixel( maSizePx ); + mpRenderContext->SaveBackground(*mpBackground, maDispPt, maDispSz, maSizePx); + + // Initialize drawing to actual position + drawToIndex( mpParent->ImplGetCurPos() ); + + // If first frame OutputDevice is set, update variables now for real OutputDevice + if( pFirstFrameOutDev ) + { + mpRenderContext = pOut; + maClip = mpRenderContext->GetClipRegion(); + } +} + +AnimationRenderer::~AnimationRenderer() +{ + mpBackground.disposeAndClear(); + mpRestore.disposeAndClear(); + + Animation::ImplDecAnimCount(); +} + +bool AnimationRenderer::matches(const OutputDevice* pOut, tools::Long nRendererId) const +{ + return (!pOut || pOut == mpRenderContext) && (nRendererId == 0 || nRendererId == mnRendererId); +} + +void AnimationRenderer::getPosSize( const AnimationFrame& rAnimationFrame, Point& rPosPix, Size& rSizePix ) +{ + const Size& rAnmSize = mpParent->GetDisplaySizePixel(); + Point aPt2( rAnimationFrame.maPositionPixel.X() + rAnimationFrame.maSizePixel.Width() - 1, + rAnimationFrame.maPositionPixel.Y() + rAnimationFrame.maSizePixel.Height() - 1 ); + double fFactX, fFactY; + + // calculate x scaling + if( rAnmSize.Width() > 1 ) + fFactX = static_cast<double>( maSizePx.Width() - 1 ) / ( rAnmSize.Width() - 1 ); + else + fFactX = 1.0; + + // calculate y scaling + if( rAnmSize.Height() > 1 ) + fFactY = static_cast<double>( maSizePx.Height() - 1 ) / ( rAnmSize.Height() - 1 ); + else + fFactY = 1.0; + + rPosPix.setX( FRound( rAnimationFrame.maPositionPixel.X() * fFactX ) ); + rPosPix.setY( FRound( rAnimationFrame.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( maSizePx.Width() - 1 - aPt2.X() ); + + // Mirrored vertically? + if( mbIsMirroredVertically ) + rPosPix.setY( maSizePx.Height() - 1 - aPt2.Y() ); +} + +void AnimationRenderer::drawToIndex( sal_uLong nIndex ) +{ + 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( maSizePx, false ); + nIndex = std::min( nIndex, static_cast<sal_uLong>(mpParent->Count()) - 1 ); + + for( sal_uLong i = 0; i <= nIndex; i++ ) + draw( i, aVDev.get() ); + + if (xOldClip) + pRenderContext->SetClipRegion( maClip ); + + pRenderContext->DrawOutDev( maDispPt, maDispSz, Point(), maSizePx, *aVDev ); + if (pGuard) + pGuard->SetPaintRect(tools::Rectangle(maDispPt, maDispSz)); + + if (xOldClip) + pRenderContext->SetClipRegion(*xOldClip); +} + +void AnimationRenderer::draw( sal_uLong nIndex, 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; + mnActIndex = std::min( nIndex, nLastPos ); + const AnimationFrame& rAnimationFrame = mpParent->Get( static_cast<sal_uInt16>( mnActIndex ) ); + + getPosSize( rAnimationFrame, 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( maSizePx, false ); + pDev->DrawOutDev( Point(), maSizePx, maDispPt, maDispSz, *pRenderContext ); + } + else + pDev = pVDev; + + // restore background after each run + if( !nIndex ) + { + meLastDisposal = Disposal::Back; + maRestPt = Point(); + maRestSz = maSizePx; + } + + // 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 = rAnimationFrame.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, rAnimationFrame.maBitmapEx ); + + if( !pVDev ) + { + std::optional<vcl::Region> xOldClip; + if (!maClip.IsNull()) + xOldClip = pRenderContext->GetClipRegion(); + + if (xOldClip) + pRenderContext->SetClipRegion( maClip ); + + pRenderContext->DrawOutDev( maDispPt, maDispSz, Point(), maSizePx, *pDev ); + if (pGuard) + pGuard->SetPaintRect(tools::Rectangle(maDispPt, maDispSz)); + + if( xOldClip) + { + pRenderContext->SetClipRegion(*xOldClip); + xOldClip.reset(); + } + + pDev.disposeAndClear(); + pRenderContext->Flush(); + } + } +} + +void AnimationRenderer::repaint() +{ + const bool bOldPause = mbIsPaused; + + mpRenderContext->SaveBackground(*mpBackground, maDispPt, maDispSz, maSizePx); + + mbIsPaused = false; + drawToIndex( mnActIndex ); + mbIsPaused = bOldPause; +} + +AnimationData* AnimationRenderer::createAnimationData() const +{ + AnimationData* pDataItem = new AnimationData; + + pDataItem->maOriginStartPt = maOriginPt; + pDataItem->maStartSize = maLogicalSize; + pDataItem->mpRenderContext = mpRenderContext; + pDataItem->mpRendererData = const_cast<AnimationRenderer *>(this); + pDataItem->mnRendererId = mnRendererId; + pDataItem->mbIsPaused = mbIsPaused; + + return pDataItem; +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |