969b55d8da
Found with bin/find-unneeded-includes Only removal proposals are dealt with here. Change-Id: Ie1f6fe98f4e8bc792f5eae1ccdd697c997707004 Reviewed-on: https://gerrit.libreoffice.org/81930 Tested-by: Jenkins Reviewed-by: Miklos Vajna <vmiklos@collabora.com>
520 lines
23 KiB
C++
520 lines
23 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#include <sal/config.h>
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#include <sal/log.hxx>
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#include <boost/cast.hpp>
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#include <basegfx/range/b2irange.hxx>
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#include <tools/diagnose_ex.h>
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#include <canvas/canvastools.hxx>
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#include <cairo.h>
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#include "cairo_canvascustomsprite.hxx"
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#include "cairo_spritecanvashelper.hxx"
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using namespace ::cairo;
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using namespace ::com::sun::star;
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namespace cairocanvas
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{
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namespace
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{
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/** Sprite redraw at original position
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Used to repaint the whole canvas (background and all
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sprites)
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*/
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void spriteRedraw( const CairoSharedPtr& pCairo,
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const ::canvas::Sprite::Reference& rSprite )
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{
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// downcast to derived cairocanvas::Sprite interface, which
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// provides the actual redraw methods.
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::boost::polymorphic_downcast< Sprite* >(rSprite.get())->redraw( pCairo, true);
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}
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void repaintBackground( const CairoSharedPtr& pCairo,
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const SurfaceSharedPtr& pBackgroundSurface,
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const ::basegfx::B2DRange& rArea )
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{
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cairo_save( pCairo.get() );
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cairo_rectangle( pCairo.get(), ceil( rArea.getMinX() ), ceil( rArea.getMinY() ),
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floor( rArea.getWidth() ), floor( rArea.getHeight() ) );
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cairo_clip( pCairo.get() );
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cairo_set_source_surface( pCairo.get(), pBackgroundSurface->getCairoSurface().get(), 0, 0 );
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cairo_set_operator( pCairo.get(), CAIRO_OPERATOR_SOURCE );
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cairo_paint( pCairo.get() );
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cairo_restore( pCairo.get() );
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}
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void opaqueUpdateSpriteArea( const ::canvas::Sprite::Reference& rSprite,
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const CairoSharedPtr& pCairo,
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const ::basegfx::B2IRange& rArea )
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{
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// clip output to actual update region (otherwise a)
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// wouldn't save much render time, and b) will clutter
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// scrolled sprite content outside this area)
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cairo_save( pCairo.get() );
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cairo_rectangle( pCairo.get(), rArea.getMinX(), rArea.getMinY(),
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sal::static_int_cast<sal_Int32>(rArea.getWidth()),
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sal::static_int_cast<sal_Int32>(rArea.getHeight()) );
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cairo_clip( pCairo.get() );
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// repaint affected sprite directly to output device (at
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// the actual screen output position)
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// rendering directly to device buffer
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::boost::polymorphic_downcast< Sprite* >( rSprite.get() )->redraw( pCairo, false );
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cairo_restore( pCairo.get() );
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}
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}
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SpriteCanvasHelper::SpriteCanvasHelper() :
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mpRedrawManager( nullptr ),
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mpOwningSpriteCanvas( nullptr ),
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mpCompositingSurface(),
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maCompositingSurfaceSize(),
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mbCompositingSurfaceDirty(true)
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{
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}
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void SpriteCanvasHelper::init( ::canvas::SpriteRedrawManager& rManager,
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SpriteCanvas& rDevice,
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const ::basegfx::B2ISize& rSize )
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{
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mpRedrawManager = &rManager;
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mpOwningSpriteCanvas = &rDevice;
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CanvasHelper::init( rSize, rDevice, &rDevice );
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}
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void SpriteCanvasHelper::disposing()
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{
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mpCompositingSurface.reset();
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mpOwningSpriteCanvas = nullptr;
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mpRedrawManager = nullptr;
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// forward to base
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CanvasHelper::disposing();
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}
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uno::Reference< rendering::XAnimatedSprite > SpriteCanvasHelper::createSpriteFromAnimation(
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const uno::Reference< rendering::XAnimation >& )
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{
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return uno::Reference< rendering::XAnimatedSprite >();
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}
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uno::Reference< rendering::XAnimatedSprite > SpriteCanvasHelper::createSpriteFromBitmaps(
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const uno::Sequence< uno::Reference< rendering::XBitmap > >& /*animationBitmaps*/,
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sal_Int8 /*interpolationMode*/ )
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{
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return uno::Reference< rendering::XAnimatedSprite >();
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}
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uno::Reference< rendering::XCustomSprite > SpriteCanvasHelper::createCustomSprite( const geometry::RealSize2D& spriteSize )
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{
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if( !mpRedrawManager )
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return uno::Reference< rendering::XCustomSprite >(); // we're disposed
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return uno::Reference< rendering::XCustomSprite >(
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new CanvasCustomSprite( spriteSize,
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mpOwningSpriteCanvas ) );
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}
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uno::Reference< rendering::XSprite > SpriteCanvasHelper::createClonedSprite(
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const uno::Reference< rendering::XSprite >& )
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{
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return uno::Reference< rendering::XSprite >();
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}
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bool SpriteCanvasHelper::updateScreen( const ::basegfx::B2IRange& /*rCurrArea*/,
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bool bUpdateAll,
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bool& io_bSurfaceDirty )
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{
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if( !mpRedrawManager ||
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!mpOwningSpriteCanvas ||
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!mpOwningSpriteCanvas->getWindowSurface() ||
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!mpOwningSpriteCanvas->getBufferSurface() )
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{
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return false; // disposed, or otherwise dysfunctional
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}
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SAL_INFO("canvas.cairo", "SpriteCanvasHelper::updateScreen called");
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const ::basegfx::B2ISize& rSize = mpOwningSpriteCanvas->getSizePixel();
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// force compositing surface to be available before using it
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// inside forEachSpriteArea
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SurfaceSharedPtr pCompositingSurface = getCompositingSurface(rSize);
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SurfaceSharedPtr pWindowSurface = mpOwningSpriteCanvas->getWindowSurface();
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CairoSharedPtr pCompositingCairo = pCompositingSurface->getCairo();
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CairoSharedPtr pWindowCairo = pWindowSurface->getCairo();
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// TODO(P1): Might be worthwhile to track areas of background
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// changes, too.
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if( !bUpdateAll && !io_bSurfaceDirty && !mbCompositingSurfaceDirty )
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{
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// background has not changed, so we're free to optimize
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// repaint to areas where a sprite has changed
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// process each independent area of overlapping sprites
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// separately.
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mpRedrawManager->forEachSpriteArea( *this );
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}
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else
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{
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SAL_INFO("canvas.cairo", "SpriteCanvasHelper::updateScreen update ALL");
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// background has changed, so we currently have no choice
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// but repaint everything (or caller requested that)
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cairo_rectangle( pCompositingCairo.get(), 0, 0, rSize.getX(), rSize.getY() );
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cairo_clip( pCompositingCairo.get() );
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cairo_save( pCompositingCairo.get() );
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cairo_set_source_surface( pCompositingCairo.get(),
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mpOwningSpriteCanvas->getBufferSurface()->getCairoSurface().get(),
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0, 0 );
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cairo_set_operator( pCompositingCairo.get(), CAIRO_OPERATOR_SOURCE );
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cairo_paint( pCompositingCairo.get() );
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cairo_restore( pCompositingCairo.get() );
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// repaint all active sprites on top of background into
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// VDev.
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mpRedrawManager->forEachSprite(
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[&pCompositingCairo]( const Sprite::Reference rSprite )
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{ spriteRedraw( pCompositingCairo, rSprite ); }
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);
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// flush to screen
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cairo_rectangle( pWindowCairo.get(), 0, 0, rSize.getX(), rSize.getY() );
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cairo_clip( pWindowCairo.get() );
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cairo_set_source_surface( pWindowCairo.get(),
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pCompositingSurface->getCairoSurface().get(),
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0, 0 );
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cairo_set_operator( pWindowCairo.get(), CAIRO_OPERATOR_SOURCE );
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cairo_paint( pWindowCairo.get() );
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}
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// change record vector must be cleared, for the next turn of
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// rendering and sprite changing
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mpRedrawManager->clearChangeRecords();
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mbCompositingSurfaceDirty = false;
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io_bSurfaceDirty = false;
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// commit to screen
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mpOwningSpriteCanvas->flush();
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return true;
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}
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void SpriteCanvasHelper::backgroundPaint( const ::basegfx::B2DRange& rUpdateRect )
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{
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if( mpOwningSpriteCanvas && mpCompositingSurface )
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repaintBackground( mpCompositingSurface->getCairo(),
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mpOwningSpriteCanvas->getBufferSurface(),
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rUpdateRect );
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}
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void SpriteCanvasHelper::scrollUpdate( const ::basegfx::B2DRange& rMoveStart,
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const ::basegfx::B2DRange& rMoveEnd,
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const ::canvas::SpriteRedrawManager::UpdateArea& rUpdateArea )
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{
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ENSURE_OR_THROW( mpOwningSpriteCanvas &&
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mpOwningSpriteCanvas->getBufferSurface(),
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"SpriteCanvasHelper::scrollUpdate(): NULL device pointer " );
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SAL_INFO("canvas.cairo", "SpriteCanvasHelper::scrollUpdate called");
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const ::basegfx::B2ISize& rSize = mpOwningSpriteCanvas->getSizePixel();
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const ::basegfx::B2IRange aOutputBounds( 0,0,
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rSize.getX(),
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rSize.getY() );
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SurfaceSharedPtr pCompositingSurface = getCompositingSurface(rSize);
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SurfaceSharedPtr pWindowSurface = mpOwningSpriteCanvas->getWindowSurface();
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CairoSharedPtr pCompositingCairo = pCompositingSurface->getCairo();
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CairoSharedPtr pWindowCairo = pWindowSurface->getCairo();
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// round rectangles to integer pixel. Note: have to be
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// extremely careful here, to avoid off-by-one errors for
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// the destination area: otherwise, the next scroll update
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// would copy pixel that are not supposed to be part of
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// the sprite.
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::basegfx::B2IRange aSourceRect(
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::canvas::tools::spritePixelAreaFromB2DRange( rMoveStart ) );
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const ::basegfx::B2IRange& rDestRect(
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::canvas::tools::spritePixelAreaFromB2DRange( rMoveEnd ) );
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::basegfx::B2IPoint aDestPos( rDestRect.getMinimum() );
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std::vector< ::basegfx::B2IRange > aUnscrollableAreas;
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// TODO(E3): This is plain buggy (but copies the behaviour of
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// the old Impress slideshow) - the scrolled area might
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// actually lie _below_ another window!
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// clip to output bounds (cannot properly scroll stuff
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// _outside_ our screen area)
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if( !::canvas::tools::clipScrollArea( aSourceRect,
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aDestPos,
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aUnscrollableAreas,
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aOutputBounds ) )
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{
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// fully clipped scroll area: cannot simply scroll
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// then. Perform normal opaque update (can use that, since
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// one of the preconditions for scrollable update is
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// opaque sprite content)
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// repaint all affected sprites directly to output device
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for( const auto& rComponent : rUpdateArea.maComponentList )
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{
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const ::canvas::Sprite::Reference& rSprite( rComponent.second.getSprite() );
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if( rSprite.is() )
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::boost::polymorphic_downcast< Sprite* >( rSprite.get() )->redraw(
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pCompositingCairo, true );
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}
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}
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else
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{
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const ::basegfx::B2IVector aSourceUpperLeftPos( aSourceRect.getMinimum() );
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// clip dest area (which must be inside rDestBounds)
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::basegfx::B2IRange aDestRect( rDestRect );
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aDestRect.intersect( aOutputBounds );
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::basegfx::B2ISize aScrollSize( aDestRect.getWidth(), aDestRect.getHeight() );
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SurfaceSharedPtr pScrollSurface( getTemporarySurface() );
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CairoSharedPtr pScrollCairo( pScrollSurface->getCairo() );
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cairo_save( pScrollCairo.get() );
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// scroll the current content of the compositing surface (and,
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// thus, of the window) in temp. surface
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cairo_set_source_surface( pScrollCairo.get(),
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pCompositingSurface->getCairoSurface().get(),
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aDestPos.getX() - aSourceUpperLeftPos.getX(),
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aDestPos.getY() - aSourceUpperLeftPos.getY() );
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cairo_rectangle( pScrollCairo.get(),
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aDestPos.getX(), aDestPos.getY(),
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aScrollSize.getX(), aScrollSize.getY() );
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cairo_clip( pScrollCairo.get() );
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cairo_set_operator( pScrollCairo.get(), CAIRO_OPERATOR_SOURCE );
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cairo_paint( pScrollCairo.get() );
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cairo_restore( pScrollCairo.get() );
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cairo_save( pCompositingCairo.get() );
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// copy the scrolled area back onto the compositing surface
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cairo_set_source_surface( pCompositingCairo.get(),
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pScrollSurface->getCairoSurface().get(),
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0, 0 );
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cairo_rectangle( pCompositingCairo.get(),
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aDestPos.getX(), aDestPos.getY(),
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aScrollSize.getX(), aScrollSize.getY() );
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cairo_clip( pCompositingCairo.get() );
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cairo_set_operator( pCompositingCairo.get(), CAIRO_OPERATOR_SOURCE );
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cairo_paint( pCompositingCairo.get() );
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cairo_restore( pCompositingCairo.get() );
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const ::canvas::SpriteRedrawManager::SpriteConnectedRanges::ComponentListType::const_iterator
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aFirst( rUpdateArea.maComponentList.begin() );
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::canvas::SpriteRedrawManager::SpriteConnectedRanges::ComponentListType::const_iterator
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aSecond( aFirst );
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++aSecond;
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ENSURE_OR_THROW( aFirst->second.getSprite().is(),
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"VCLCanvas::scrollUpdate(): no sprite" );
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// repaint uncovered areas from sprite. Need to actually
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// clip here, since we're only repainting _parts_ of the
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// sprite
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for( const auto& rArea : aUnscrollableAreas )
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opaqueUpdateSpriteArea( aFirst->second.getSprite(),
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pCompositingCairo, rArea );
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}
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// repaint uncovered areas from backbuffer - take the
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// _rounded_ rectangles from above, to have the update
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// consistent with the scroll above.
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std::vector< ::basegfx::B2DRange > aUncoveredAreas;
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::basegfx::computeSetDifference( aUncoveredAreas,
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rUpdateArea.maTotalBounds,
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::basegfx::B2DRange( rDestRect ) );
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for( const auto& rArea : aUncoveredAreas )
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repaintBackground( pCompositingCairo,
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mpOwningSpriteCanvas->getBufferSurface(), rArea );
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cairo_rectangle( pWindowCairo.get(), 0, 0, rSize.getX(), rSize.getY() );
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cairo_clip( pWindowCairo.get() );
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cairo_set_source_surface( pWindowCairo.get(),
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pCompositingSurface->getCairoSurface().get(),
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0, 0 );
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cairo_set_operator( pWindowCairo.get(), CAIRO_OPERATOR_SOURCE );
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cairo_paint( pWindowCairo.get() );
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}
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void SpriteCanvasHelper::opaqueUpdate( const ::basegfx::B2DRange& rTotalArea,
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const std::vector< ::canvas::Sprite::Reference >& rSortedUpdateSprites )
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{
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ENSURE_OR_THROW( mpOwningSpriteCanvas &&
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mpOwningSpriteCanvas->getBufferSurface(),
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"SpriteCanvasHelper::opaqueUpdate(): NULL device pointer " );
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SAL_INFO("canvas.cairo", "SpriteCanvasHelper::opaqueUpdate called");
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const ::basegfx::B2ISize& rDeviceSize = mpOwningSpriteCanvas->getSizePixel();
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SurfaceSharedPtr pCompositingSurface = getCompositingSurface(rDeviceSize);
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SurfaceSharedPtr pWindowSurface = mpOwningSpriteCanvas->getWindowSurface();
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CairoSharedPtr pCompositingCairo = pCompositingSurface->getCairo();
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CairoSharedPtr pWindowCairo = pWindowSurface->getCairo();
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cairo_rectangle( pCompositingCairo.get(), 0, 0, rDeviceSize.getX(), rDeviceSize.getY() );
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cairo_clip( pCompositingCairo.get() );
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::basegfx::B2DVector aPos( ceil( rTotalArea.getMinX() ), ceil( rTotalArea.getMinY() ) );
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::basegfx::B2DVector aSize( floor( rTotalArea.getMaxX() - aPos.getX() ), floor( rTotalArea.getMaxY() - aPos.getY() ) );
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cairo_rectangle( pCompositingCairo.get(), aPos.getX(), aPos.getY(), aSize.getX(), aSize.getY() );
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cairo_clip( pCompositingCairo.get() );
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// repaint all affected sprites directly to output device
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for( const auto& rSprite : rSortedUpdateSprites )
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{
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if( rSprite.is() )
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::boost::polymorphic_downcast< Sprite* >( rSprite.get() )->redraw(
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pCompositingCairo, false );
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}
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// flush to screen
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cairo_rectangle( pWindowCairo.get(), 0, 0, rDeviceSize.getX(), rDeviceSize.getY() );
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cairo_clip( pWindowCairo.get() );
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cairo_rectangle( pWindowCairo.get(), aPos.getX(), aPos.getY(), aSize.getX(), aSize.getY() );
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cairo_clip( pWindowCairo.get() );
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cairo_set_source_surface( pWindowCairo.get(),
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pCompositingSurface->getCairoSurface().get(),
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0, 0 );
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cairo_set_operator( pWindowCairo.get(), CAIRO_OPERATOR_SOURCE );
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cairo_paint( pWindowCairo.get() );
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}
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void SpriteCanvasHelper::genericUpdate( const ::basegfx::B2DRange& rRequestedArea,
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const std::vector< ::canvas::Sprite::Reference >& rSortedUpdateSprites )
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{
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// TODO
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SAL_INFO("canvas.cairo", "SpriteCanvasHelper::genericUpdate called");
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ENSURE_OR_THROW( mpOwningSpriteCanvas &&
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mpOwningSpriteCanvas->getBufferSurface(),
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"SpriteCanvasHelper::genericUpdate(): NULL device pointer " );
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// limit size of update VDev to target outdev's size
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const ::basegfx::B2ISize& rSize = mpOwningSpriteCanvas->getSizePixel();
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SurfaceSharedPtr pCompositingSurface = getCompositingSurface(rSize);
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SurfaceSharedPtr pWindowSurface = mpOwningSpriteCanvas->getWindowSurface();
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CairoSharedPtr pCompositingCairo = pCompositingSurface->getCairo();
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CairoSharedPtr pWindowCairo = pWindowSurface->getCairo();
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// round output position towards zero. Don't want to truncate
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// a fraction of a sprite pixel... Clip position at origin,
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// otherwise, truncation of size below might leave visible
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// areas uncovered by VDev.
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const Point aOutputPosition(
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std::max( sal_Int32( 0 ),
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static_cast< sal_Int32 >(rRequestedArea.getMinX()) ),
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std::max( sal_Int32( 0 ),
|
|
static_cast< sal_Int32 >(rRequestedArea.getMinY()) ) );
|
|
// round output size towards +infty. Don't want to truncate a
|
|
// fraction of a sprite pixel... Limit size of VDev to output
|
|
// device's area.
|
|
const Size aOutputSize(
|
|
std::min( rSize.getX(),
|
|
::canvas::tools::roundUp( rRequestedArea.getMaxX() - aOutputPosition.X()) ),
|
|
std::min( rSize.getY(),
|
|
::canvas::tools::roundUp( rRequestedArea.getMaxY() - aOutputPosition.Y()) ) );
|
|
|
|
cairo_rectangle( pCompositingCairo.get(), aOutputPosition.X(), aOutputPosition.Y(), aOutputSize.Width(), aOutputSize.Height() );
|
|
cairo_clip( pCompositingCairo.get() );
|
|
|
|
// paint background
|
|
cairo_save( pCompositingCairo.get() );
|
|
cairo_set_source_surface( pCompositingCairo.get(),
|
|
mpOwningSpriteCanvas->getBufferSurface()->getCairoSurface().get(),
|
|
0, 0 );
|
|
cairo_set_operator( pCompositingCairo.get(), CAIRO_OPERATOR_SOURCE );
|
|
cairo_paint( pCompositingCairo.get() );
|
|
cairo_restore( pCompositingCairo.get() );
|
|
|
|
// repaint all affected sprites on top of background into
|
|
// VDev.
|
|
for( const auto& rSprite : rSortedUpdateSprites )
|
|
{
|
|
if( rSprite.is() )
|
|
::boost::polymorphic_downcast< Sprite* >( rSprite.get() )->redraw(
|
|
pCompositingCairo, true );
|
|
}
|
|
|
|
// flush to screen
|
|
cairo_rectangle( pWindowCairo.get(), aOutputPosition.X(), aOutputPosition.Y(), aOutputSize.Width(), aOutputSize.Height() );
|
|
cairo_clip( pWindowCairo.get() );
|
|
cairo_set_source_surface( pWindowCairo.get(),
|
|
pCompositingSurface->getCairoSurface().get(),
|
|
0, 0 );
|
|
cairo_set_operator( pWindowCairo.get(), CAIRO_OPERATOR_SOURCE );
|
|
cairo_paint( pWindowCairo.get() );
|
|
}
|
|
|
|
::cairo::SurfaceSharedPtr const & SpriteCanvasHelper::getCompositingSurface( const ::basegfx::B2ISize& rNeededSize )
|
|
{
|
|
if( rNeededSize.getX() > maCompositingSurfaceSize.getX() ||
|
|
rNeededSize.getY() > maCompositingSurfaceSize.getY() )
|
|
{
|
|
// need to give buffer more size
|
|
mpCompositingSurface.reset();
|
|
}
|
|
|
|
if( !mpCompositingSurface )
|
|
{
|
|
mpCompositingSurface = createSurface( rNeededSize );
|
|
maCompositingSurfaceSize = rNeededSize;
|
|
mbCompositingSurfaceDirty = true;
|
|
mpTemporarySurface.reset();
|
|
}
|
|
|
|
return mpCompositingSurface;
|
|
}
|
|
|
|
::cairo::SurfaceSharedPtr const & SpriteCanvasHelper::getTemporarySurface()
|
|
{
|
|
if ( !mpTemporarySurface )
|
|
mpTemporarySurface = createSurface( maCompositingSurfaceSize );
|
|
return mpTemporarySurface;
|
|
}
|
|
|
|
::cairo::SurfaceSharedPtr SpriteCanvasHelper::createSurface( const ::basegfx::B2ISize& rNeededSize ) const
|
|
{
|
|
return mpOwningSpriteCanvas->getWindowSurface()->getSimilar(
|
|
CAIRO_CONTENT_COLOR,
|
|
rNeededSize.getX(), rNeededSize.getY() );
|
|
}
|
|
}
|
|
|
|
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|