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/* -*- 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 <sal/log.hxx>
#include <basegfx/range/b2irange.hxx>
#include <basegfx/utils/canvastools.hxx>
#include <com/sun/star/awt/XTopWindow.hpp>
#include <com/sun/star/awt/Rectangle.hpp>
#include <com/sun/star/lang/NoSupportException.hpp>
#include <osl/mutex.hxx>
#include <toolkit/helper/vclunohelper.hxx>
#include <tools/diagnose_ex.h>
#include <cppuhelper/supportsservice.hxx>
#include "cairo_spritecanvas.hxx"
using namespace ::cairo;
using namespace ::com::sun::star;
namespace cairocanvas
{
SpriteCanvas::SpriteCanvas( const uno::Sequence< uno::Any >& aArguments,
const uno::Reference< uno::XComponentContext >& /*rxContext*/ ) :
maArguments(aArguments)
{
}
void SpriteCanvas::initialize()
{
SAL_INFO("canvas.cairo", "CairoSpriteCanvas created " << this);
// #i64742# Only call initialize when not in probe mode
if( !maArguments.hasElements() )
return;
/* maArguments:
0: ptr to creating instance (Window or VirtualDevice)
1: current bounds of creating instance
2: bool, denoting always on top state for Window (always false for VirtualDevice)
3: XWindow for creating Window (or empty for VirtualDevice)
4: SystemGraphicsData as a streamed Any
*/
ENSURE_ARG_OR_THROW( maArguments.getLength() >= 4 &&
maArguments[0].getValueTypeClass() == uno::TypeClass_HYPER &&
maArguments[3].getValueTypeClass() == uno::TypeClass_INTERFACE,
"CairoSpriteCanvas::initialize: wrong number of arguments, or wrong types" );
awt::Rectangle aRect;
maArguments[1] >>= aRect;
bool bIsFullscreen( false );
maArguments[2] >>= bIsFullscreen;
uno::Reference< awt::XWindow > xParentWindow;
maArguments[3] >>= xParentWindow;
VclPtr<vcl::Window> pParentWindow = VCLUnoHelper::GetWindow(xParentWindow);
if( !pParentWindow )
throw lang::NoSupportException(
"Parent window not VCL window, or canvas out-of-process!", nullptr);
bool bHasCairo = pParentWindow->GetOutDev()->SupportsCairo();
ENSURE_ARG_OR_THROW(bHasCairo,
"CairoSpriteCanvas::SpriteCanvas: No Cairo capability");
Size aPixelSize( pParentWindow->GetOutputSizePixel() );
const ::basegfx::B2ISize aSize( aPixelSize.Width(),
aPixelSize.Height() );
// setup helper
maDeviceHelper.init( *pParentWindow,
*this,
aSize,
bIsFullscreen );
setWindow(uno::Reference<awt::XWindow2>(xParentWindow, uno::UNO_QUERY_THROW));
maCanvasHelper.init( maRedrawManager,
*this,
aSize );
maArguments.realloc(0);
}
void SpriteCanvas::disposeThis()
{
::osl::MutexGuard aGuard( m_aMutex );
// forward to parent
SpriteCanvasBaseT::disposeThis();
}
sal_Bool SAL_CALL SpriteCanvas::showBuffer( sal_Bool bUpdateAll )
{
return updateScreen( bUpdateAll );
}
sal_Bool SAL_CALL SpriteCanvas::switchBuffer( sal_Bool bUpdateAll )
{
return updateScreen( bUpdateAll );
}
sal_Bool SAL_CALL SpriteCanvas::updateScreen( sal_Bool bUpdateAll )
{
::osl::MutexGuard aGuard( m_aMutex );
// avoid repaints on hidden window (hidden: not mapped to
// screen). Return failure, since the screen really has _not_
// been updated (caller should try again later)
return mbIsVisible && maCanvasHelper.updateScreen(
::basegfx::unotools::b2IRectangleFromAwtRectangle(maBounds),
bUpdateAll,
mbSurfaceDirty);
}
OUString SAL_CALL SpriteCanvas::getServiceName( )
{
return "com.sun.star.rendering.SpriteCanvas.Cairo";
}
// XServiceInfo
sal_Bool SpriteCanvas::supportsService(const OUString& sServiceName)
{
return cppu::supportsService(this, sServiceName);
}
OUString SpriteCanvas::getImplementationName()
{
return "com.sun.star.comp.rendering.Canvas.Cairo";
}
css::uno::Sequence< OUString > SpriteCanvas::getSupportedServiceNames()
{
return { getServiceName() };
}
SurfaceSharedPtr SpriteCanvas::getSurface()
{
return maDeviceHelper.getBufferSurface();
}
SurfaceSharedPtr SpriteCanvas::createSurface( const ::basegfx::B2ISize& rSize, int aContent )
{
return maDeviceHelper.createSurface( rSize, aContent );
}
SurfaceSharedPtr SpriteCanvas::createSurface( ::Bitmap& rBitmap )
{
BitmapSystemData aData;
if( rBitmap.GetSystemData( aData ) ) {
const Size& rSize = rBitmap.GetSizePixel();
return maDeviceHelper.createSurface( aData, rSize );
}
return SurfaceSharedPtr();
}
SurfaceSharedPtr SpriteCanvas::changeSurface()
{
// non-modifiable surface here
return SurfaceSharedPtr();
}
OutputDevice* SpriteCanvas::getOutputDevice()
{
return maDeviceHelper.getOutputDevice();
}
SurfaceSharedPtr const & SpriteCanvas::getBufferSurface() const
{
return maDeviceHelper.getBufferSurface();
}
SurfaceSharedPtr const & SpriteCanvas::getWindowSurface() const
{
return maDeviceHelper.getWindowSurface();
}
const ::basegfx::B2ISize& SpriteCanvas::getSizePixel() const
{
return maDeviceHelper.getSizePixel();
}
void SpriteCanvas::setSizePixel( const ::basegfx::B2ISize& rSize )
{
maCanvasHelper.setSize( rSize );
// re-set background surface, in case it needed recreation
maCanvasHelper.setSurface( maDeviceHelper.getBufferSurface(),
false );
}
void SpriteCanvas::flush()
{
maDeviceHelper.flush();
}
bool SpriteCanvas::repaint( const SurfaceSharedPtr& pSurface,
const rendering::ViewState& viewState,
const rendering::RenderState& renderState )
{
return maCanvasHelper.repaint( pSurface, viewState, renderState );
}
}
extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface*
com_sun_star_comp_rendering_SpriteCanvas_Cairo_get_implementation(
css::uno::XComponentContext* context, css::uno::Sequence<css::uno::Any> const& args)
{
rtl::Reference<cairocanvas::SpriteCanvas> p = new cairocanvas::SpriteCanvas(args, context);
p->acquire();
p->initialize();
return static_cast<cppu::OWeakObject*>(p.get());
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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