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Diffstat (limited to 'vcl/quartz/salgdicommon.cxx')
| -rw-r--r-- | vcl/quartz/salgdicommon.cxx | 234 |
1 files changed, 234 insertions, 0 deletions
diff --git a/vcl/quartz/salgdicommon.cxx b/vcl/quartz/salgdicommon.cxx new file mode 100644 index 0000000000..98ff40a7dc --- /dev/null +++ b/vcl/quartz/salgdicommon.cxx @@ -0,0 +1,234 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */ +/* + * 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 <cassert> +#include <cstring> +#include <numeric> + +#include <basegfx/polygon/b2dpolygon.hxx> +#include <basegfx/polygon/b2dpolygontools.hxx> +#include <basegfx/polygon/b2dpolypolygontools.hxx> +#include <osl/endian.h> +#include <osl/file.hxx> +#include <sal/types.h> +#include <tools/long.hxx> +#include <vcl/sysdata.hxx> + +#include <quartz/salbmp.h> +#ifdef MACOSX +#include <quartz/salgdi.h> +#endif +#include <quartz/utils.h> +#ifdef IOS +#include <svdata.hxx> +#endif + +using namespace vcl; + +#ifndef IOS + +void AquaSalGraphics::copyResolution( AquaSalGraphics& rGraphics ) +{ + if (!rGraphics.mnRealDPIY && rGraphics.maShared.mbWindow && rGraphics.maShared.mpFrame) + { + rGraphics.initResolution(rGraphics.maShared.mpFrame->getNSWindow()); + } + mnRealDPIX = rGraphics.mnRealDPIX; + mnRealDPIY = rGraphics.mnRealDPIY; +} + +#endif + +SystemGraphicsData AquaSalGraphics::GetGraphicsData() const +{ + SystemGraphicsData aRes; + aRes.nSize = sizeof(aRes); + aRes.rCGContext = maShared.maContextHolder.get(); + return aRes; +} + +#ifndef IOS + +void AquaSalGraphics::initResolution(NSWindow* nsWindow) +{ + if (!nsWindow) + { + if (Application::IsBitmapRendering()) + mnRealDPIX = mnRealDPIY = 96; + return; + } + + // #i100617# read DPI only once; there is some kind of weird caching going on + // if the main screen changes + // FIXME: this is really unfortunate and needs to be investigated + + SalData* pSalData = GetSalData(); + if( pSalData->mnDPIX == 0 || pSalData->mnDPIY == 0 ) + { + NSScreen* pScreen = nil; + + /* #i91301# + many woes went into the try to have different resolutions + on different screens. The result of these trials is that OOo is not ready + for that yet, vcl and applications would need to be adapted. + + Unfortunately this is not possible in the 3.0 timeframe. + So let's stay with one resolution for all Windows and VirtualDevices + which is the resolution of the main screen + + This of course also means that measurements are exact only on the main screen. + For activating different resolutions again just comment out the two lines below. + + if( pWin ) + pScreen = [pWin screen]; + */ + if( pScreen == nil ) + { + NSArray* pScreens = [NSScreen screens]; + if( pScreens && [pScreens count] > 0) + { + pScreen = [pScreens objectAtIndex: 0]; + } + } + + mnRealDPIX = mnRealDPIY = 96; + if( pScreen ) + { + NSDictionary* pDev = [pScreen deviceDescription]; + if( pDev ) + { + NSNumber* pVal = [pDev objectForKey: @"NSScreenNumber"]; + if( pVal ) + { + // FIXME: casting a long to CGDirectDisplayID is evil, but + // Apple suggest to do it this way + const CGDirectDisplayID nDisplayID = static_cast<CGDirectDisplayID>([pVal longValue]); + const CGSize aSize = CGDisplayScreenSize( nDisplayID ); // => result is in millimeters + mnRealDPIX = static_cast<sal_Int32>((CGDisplayPixelsWide( nDisplayID ) * 25.4) / aSize.width); + mnRealDPIY = static_cast<sal_Int32>((CGDisplayPixelsHigh( nDisplayID ) * 25.4) / aSize.height); + } + else + { + OSL_FAIL( "no resolution found in device description" ); + } + } + else + { + OSL_FAIL( "no device description" ); + } + } + else + { + OSL_FAIL( "no screen found" ); + } + + // #i107076# maintaining size-WYSIWYG-ness causes many problems for + // low-DPI, high-DPI or for mis-reporting devices + // => it is better to limit the calculation result then + static const int nMinDPI = 72; + if( (mnRealDPIX < nMinDPI) || (mnRealDPIY < nMinDPI) ) + { + mnRealDPIX = mnRealDPIY = nMinDPI; + } + // Note that on a Retina display, the "mnRealDPIX" as + // calculated above is not the true resolution of the display, + // but the "logical" one, or whatever the correct terminology + // is. (For instance on a 5K 27in iMac, it's 108.) So at + // least currently, it won't be over 200. I don't know whether + // this test is a "sanity check", or whether there is some + // real reason to limit this to 200. + static const int nMaxDPI = 200; + if( (mnRealDPIX > nMaxDPI) || (mnRealDPIY > nMaxDPI) ) + { + mnRealDPIX = mnRealDPIY = nMaxDPI; + } + // for OSX any anisotropy reported for the display resolution is best ignored (e.g. TripleHead2Go) + mnRealDPIX = mnRealDPIY = (mnRealDPIX + mnRealDPIY + 1) / 2; + + pSalData->mnDPIX = mnRealDPIX; + pSalData->mnDPIY = mnRealDPIY; + } + else + { + mnRealDPIX = pSalData->mnDPIX; + mnRealDPIY = pSalData->mnDPIY; + } +} + +#endif + +void AquaSharedAttributes::setState() +{ + maContextHolder.restoreState(); + maContextHolder.saveState(); + + // setup clipping + if (mxClipPath) + { + CGContextBeginPath(maContextHolder.get()); // discard any existing path + CGContextAddPath(maContextHolder.get(), mxClipPath); // set the current path to the clipping path + CGContextClip(maContextHolder.get()); // use it for clipping + } + + // set RGB colorspace and line and fill colors + CGContextSetFillColor(maContextHolder.get(), maFillColor.AsArray() ); + + CGContextSetStrokeColor(maContextHolder.get(), maLineColor.AsArray() ); + CGContextSetShouldAntialias(maContextHolder.get(), false ); + if (mnXorMode == 2) + { + CGContextSetBlendMode(maContextHolder.get(), kCGBlendModeDifference ); + } +} + +#ifndef IOS + +void AquaSalGraphics::updateResolution() +{ + SAL_WARN_IF(!maShared.mbWindow, "vcl", "updateResolution on inappropriate graphics"); + + initResolution((maShared.mbWindow && maShared.mpFrame) ? maShared.mpFrame->getNSWindow() : nil); +} + +#endif + +XorEmulation::XorEmulation() + : m_xTargetLayer( nullptr ) + , m_xTargetContext( nullptr ) + , m_xMaskContext( nullptr ) + , m_xTempContext( nullptr ) + , m_pMaskBuffer( nullptr ) + , m_pTempBuffer( nullptr ) + , m_nBufferLongs( 0 ) + , m_bIsEnabled( false ) +{ + SAL_INFO( "vcl.quartz", "XorEmulation::XorEmulation() this=" << this ); +} + +XorEmulation::~XorEmulation() +{ + SAL_INFO( "vcl.quartz", "XorEmulation::~XorEmulation() this=" << this ); + Disable(); + SetTarget( 0, 0, 0, nullptr, nullptr ); +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |