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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 <config_features.h>
#include <vcl/skia/SkiaHelper.hxx>
#if HAVE_FEATURE_SKIA
#include <skia/x11/gdiimpl.hxx>
#include <skia/x11/textrender.hxx>
#endif
#include <X11/Xlib.h>
#include <X11/Xutil.h>
#include <basegfx/polygon/b2dpolygon.hxx>
#include <basegfx/polygon/b2dpolypolygon.hxx>
#include <basegfx/polygon/b2dpolypolygontools.hxx>
#include <basegfx/matrix/b2dhommatrix.hxx>
#include <basegfx/curve/b2dcubicbezier.hxx>
#include <headless/svpgdi.hxx>
#include <vcl/sysdata.hxx>
#include <vcl/virdev.hxx>
#include <sal/log.hxx>
#include <unx/salunx.h>
#include <unx/saldisp.hxx>
#include <unx/salgdi.h>
#include <unx/x11/xlimits.hxx>
#include <salframe.hxx>
#include <salgdiimpl.hxx>
#include <textrender.hxx>
#include <salvd.hxx>
#include <unx/salframe.h>
#include <unx/cairotextrender.hxx>
#include "cairo_xlib_cairo.hxx"
#include <cairo-xlib.h>
#include "X11CairoSalGraphicsImpl.hxx"
// X11Common
X11Common::X11Common()
: m_hDrawable(None)
, m_pColormap(nullptr)
{}
// X11SalGraphics
X11SalGraphics::X11SalGraphics():
m_pFrame(nullptr),
m_pVDev(nullptr),
m_nXScreen( 0 )
{
#if HAVE_FEATURE_SKIA
if (SkiaHelper::isVCLSkiaEnabled())
{
mxImpl.reset(new X11SkiaSalGraphicsImpl(*this));
mxTextRenderImpl.reset(new SkiaTextRender);
}
else
#endif
{
mxImpl.reset(new X11CairoSalGraphicsImpl(*this, maCairoCommon));
mxTextRenderImpl.reset(new CairoTextRender(maCairoCommon));
}
}
X11SalGraphics::~X11SalGraphics() COVERITY_NOEXCEPT_FALSE
{
DeInit();
ReleaseFonts();
freeResources();
}
void X11SalGraphics::freeResources()
{
mxImpl->freeResources();
if( m_pDeleteColormap )
{
m_pDeleteColormap.reset();
maX11Common.m_pColormap = nullptr;
}
}
SalGraphicsImpl* X11SalGraphics::GetImpl() const
{
return mxImpl.get();
}
void X11SalGraphics::SetDrawable(Drawable aDrawable, cairo_surface_t* pSurface, SalX11Screen nXScreen)
{
maCairoCommon.m_pSurface = pSurface;
if (maCairoCommon.m_pSurface)
{
maCairoCommon.m_aFrameSize.setX(cairo_xlib_surface_get_width(pSurface));
maCairoCommon.m_aFrameSize.setY(cairo_xlib_surface_get_height(pSurface));
dl_cairo_surface_get_device_scale(pSurface, &maCairoCommon.m_fScale, nullptr);
}
// shortcut if nothing changed
if( maX11Common.m_hDrawable == aDrawable )
return;
// free screen specific resources if needed
if( nXScreen != m_nXScreen )
{
freeResources();
maX11Common.m_pColormap = &vcl_sal::getSalDisplay(GetGenericUnixSalData())->GetColormap( nXScreen );
m_nXScreen = nXScreen;
}
maX11Common.m_hDrawable = aDrawable;
}
void X11SalGraphics::Init( X11SalFrame& rFrame, Drawable aTarget,
SalX11Screen nXScreen )
{
maX11Common.m_pColormap = &vcl_sal::getSalDisplay(GetGenericUnixSalData())->GetColormap(nXScreen);
m_nXScreen = nXScreen;
m_pFrame = &rFrame;
m_pVDev = nullptr;
SetDrawable(aTarget, rFrame.GetSurface(), nXScreen);
mxImpl->Init();
}
void X11SalGraphics::DeInit()
{
mxImpl->DeInit();
SetDrawable(None, nullptr, m_nXScreen);
}
void X11SalGraphics::GetResolution( sal_Int32 &rDPIX, sal_Int32 &rDPIY ) // const
{
char* pForceDpi;
if ((pForceDpi = getenv("SAL_FORCEDPI")))
{
OString sForceDPI(pForceDpi);
rDPIX = rDPIY = sForceDPI.toInt32();
return;
}
const SalDisplay *pDisplay = GetDisplay();
if (!pDisplay)
{
SAL_WARN( "vcl", "Null display");
rDPIX = rDPIY = 96;
return;
}
Pair dpi = pDisplay->GetResolution();
rDPIX = dpi.A();
rDPIY = dpi.B();
if ( rDPIY > 200 )
{
rDPIX = Divide( rDPIX * 200, rDPIY );
rDPIY = 200;
}
// #i12705# equalize x- and y-resolution if they are close enough
if( rDPIX == rDPIY )
return;
// different x- and y- resolutions are usually artifacts of
// a wrongly calculated screen size.
#ifdef DEBUG
SAL_INFO("vcl.gdi", "Forcing Resolution from "
<< std::hex << rDPIX
<< std::dec << rDPIX
<< " to "
<< std::hex << rDPIY
<< std::dec << rDPIY);
#endif
rDPIX = rDPIY; // y-resolution is more trustworthy
}
SystemGraphicsData X11SalGraphics::GetGraphicsData() const
{
SystemGraphicsData aRes;
aRes.nSize = sizeof(aRes);
aRes.pDisplay = GetXDisplay();
aRes.hDrawable = maX11Common.m_hDrawable;
aRes.pVisual = GetVisual().visual;
aRes.nScreen = m_nXScreen.getXScreen();
return aRes;
}
void X11SalGraphics::Flush()
{
if( X11GraphicsImpl* x11Impl = dynamic_cast< X11GraphicsImpl* >( mxImpl.get()))
x11Impl->Flush();
}
#if ENABLE_CAIRO_CANVAS
bool X11SalGraphics::SupportsCairo() const
{
return true;
}
cairo::SurfaceSharedPtr X11SalGraphics::CreateSurface(const cairo::CairoSurfaceSharedPtr& rSurface) const
{
return std::make_shared<cairo::X11Surface>(rSurface);
}
namespace
{
cairo::X11SysData getSysData( const vcl::Window& rWindow )
{
const SystemEnvData* pSysData = rWindow.GetSystemData();
if( !pSysData )
return cairo::X11SysData();
else
return cairo::X11SysData(*pSysData, rWindow.ImplGetFrame());
}
cairo::X11SysData getSysData( const VirtualDevice& rVirDev )
{
return cairo::X11SysData( rVirDev.GetSystemGfxData() );
}
}
cairo::SurfaceSharedPtr X11SalGraphics::CreateSurface( const OutputDevice& rRefDevice,
int x, int y, int width, int height ) const
{
if( rRefDevice.GetOutDevType() == OUTDEV_WINDOW )
return std::make_shared<cairo::X11Surface>(getSysData(*rRefDevice.GetOwnerWindow()),
x,y,width,height);
if( rRefDevice.IsVirtual() )
return std::make_shared<cairo::X11Surface>(getSysData(static_cast<const VirtualDevice&>(rRefDevice)),
x,y,width,height);
return cairo::SurfaceSharedPtr();
}
cairo::SurfaceSharedPtr X11SalGraphics::CreateBitmapSurface( const OutputDevice& rRefDevice,
const BitmapSystemData& rData,
const Size& rSize ) const
{
SAL_INFO("vcl", "requested size: " << rSize.Width() << " x " << rSize.Height()
<< " available size: " << rData.mnWidth << " x "
<< rData.mnHeight);
if ( rData.mnWidth == rSize.Width() && rData.mnHeight == rSize.Height() )
{
if( rRefDevice.GetOutDevType() == OUTDEV_WINDOW )
return std::make_shared<cairo::X11Surface>(getSysData(*rRefDevice.GetOwnerWindow()), rData );
else if( rRefDevice.IsVirtual() )
return std::make_shared<cairo::X11Surface>(getSysData(static_cast<const VirtualDevice&>(rRefDevice)), rData );
}
return cairo::SurfaceSharedPtr();
}
css::uno::Any X11SalGraphics::GetNativeSurfaceHandle(cairo::SurfaceSharedPtr& rSurface, const basegfx::B2ISize& /*rSize*/) const
{
cairo::X11Surface& rXlibSurface=dynamic_cast<cairo::X11Surface&>(*rSurface);
css::uno::Sequence< css::uno::Any > args{
css::uno::Any(false), // do not call XFreePixmap on it
css::uno::Any(sal_Int64(rXlibSurface.getPixmap()->mhDrawable))
};
return css::uno::Any(args);
}
#endif // ENABLE_CAIRO_CANVAS
SalGeometryProvider *X11SalGraphics::GetGeometryProvider() const
{
if (m_pFrame)
return static_cast< SalGeometryProvider * >(m_pFrame);
else
return static_cast< SalGeometryProvider * >(m_pVDev);
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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