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Diffstat (limited to 'drawinglayer/source/primitive2d/textlayoutdevice.cxx')
| -rw-r--r-- | drawinglayer/source/primitive2d/textlayoutdevice.cxx | 217 |
1 files changed, 217 insertions, 0 deletions
diff --git a/drawinglayer/source/primitive2d/textlayoutdevice.cxx b/drawinglayer/source/primitive2d/textlayoutdevice.cxx new file mode 100644 index 000000000000..0156d114ffa2 --- /dev/null +++ b/drawinglayer/source/primitive2d/textlayoutdevice.cxx @@ -0,0 +1,217 @@ +/************************************************************************* + * + * OpenOffice.org - a multi-platform office productivity suite + * + * $RCSfile: textlayoutdevice.cxx,v $ + * + * $Revision: 1.1 $ + * + * last change: $Author: aw $ $Date: 2006-10-19 10:35:04 $ + * + * The Contents of this file are made available subject to + * the terms of GNU Lesser General Public License Version 2.1. + * + * + * GNU Lesser General Public License Version 2.1 + * ============================================= + * Copyright 2005 by Sun Microsystems, Inc. + * 901 San Antonio Road, Palo Alto, CA 94303, USA + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License version 2.1, as published by the Free Software Foundation. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + * + ************************************************************************/ + +#ifndef INCLUDED_DRAWINGLAYER_TEXTLAYOUTDEVICE_HXX +#include <drawinglayer/primitive2d/textlayoutdevice.hxx> +#endif + +#ifndef _SV_TIMER_HXX +#include <vcl/timer.hxx> +#endif + +#ifndef _SV_VIRDEV_HXX +#include <vcl/virdev.hxx> +#endif + +#ifndef _SV_FONT_HXX +#include <vcl/font.hxx> +#endif + +#ifndef INCLUDED_DRAWINGLAYER_PRIMITIVE2D_TEXTPRIMITIVE2D_HXX +#include <drawinglayer/primitive2d/textprimitive2d.hxx> +#endif + +////////////////////////////////////////////////////////////////////////////// +// VDev RevDevice provider + +namespace +{ + class ImpTimedRefDev : public Timer + { + ImpTimedRefDev** mppStaticPointerOnMe; + VirtualDevice* mpVirDev; + sal_uInt32 mnUseCount; + + public: + ImpTimedRefDev(ImpTimedRefDev** ppStaticPointerOnMe); + ~ImpTimedRefDev(); + virtual void Timeout(); + + VirtualDevice& acquireVirtualDevice(); + void releaseVirtualDevice(); + }; + + ImpTimedRefDev::ImpTimedRefDev(ImpTimedRefDev** ppStaticPointerOnMe) + : mppStaticPointerOnMe(ppStaticPointerOnMe), + mpVirDev(0L), + mnUseCount(0L) + { + SetTimeout(3L * 60L * 1000L); // three minutes + Start(); + } + + ImpTimedRefDev::~ImpTimedRefDev() + { + OSL_ENSURE(0L == mnUseCount, "destruction of a still used ImpTimedRefDev (!)"); + + if(mppStaticPointerOnMe && *mppStaticPointerOnMe) + { + *mppStaticPointerOnMe = 0L; + } + + if(mpVirDev) + { + delete mpVirDev; + } + } + + void ImpTimedRefDev::Timeout() + { + // for obvious reasons, do not call anything after this + delete (this); + } + + VirtualDevice& ImpTimedRefDev::acquireVirtualDevice() + { + if(!mpVirDev) + { + mpVirDev = new VirtualDevice(); + mpVirDev->SetMapMode(MAP_100TH_MM); + mpVirDev->SetReferenceDevice(VirtualDevice::REFDEV_MODE06); + } + + if(!mnUseCount) + { + Stop(); + } + + mnUseCount++; + + return *mpVirDev; + } + + void ImpTimedRefDev::releaseVirtualDevice() + { + OSL_ENSURE(mnUseCount, "mismatch call number to releaseVirtualDevice() (!)"); + mnUseCount--; + + if(!mnUseCount) + { + Start(); + } + } +} // end of anonymous namespace + +////////////////////////////////////////////////////////////////////////////// +// access to one global ImpTimedRefDev incarnation in namespace drawinglayer::primitive + +namespace drawinglayer +{ + namespace primitive2d + { + // static pointer here + ImpTimedRefDev* pImpGlobalRefDev = 0L; + + // static methods here + VirtualDevice& acquireGlobalVirtualDevice() + { + if(!pImpGlobalRefDev) + { + pImpGlobalRefDev = new ImpTimedRefDev(&pImpGlobalRefDev); + } + + return pImpGlobalRefDev->acquireVirtualDevice(); + } + + void releaseGlobalVirtualDevice() + { + OSL_ENSURE(pImpGlobalRefDev, "releaseGlobalVirtualDevice() without prior acquireGlobalVirtualDevice() call(!)"); + pImpGlobalRefDev->releaseVirtualDevice(); + } + + TextLayouterDevice::TextLayouterDevice() + : mrDevice(acquireGlobalVirtualDevice()) + { + } + + TextLayouterDevice::~TextLayouterDevice() + { + releaseGlobalVirtualDevice(); + } + + void TextLayouterDevice::setFont(const Font& rFont) + { + mrDevice.SetFont(rFont); + } + + void TextLayouterDevice::setFontAttributes(const FontAttributes& rFontAttributes, const basegfx::B2DHomMatrix& rTransform) + { + mrDevice.SetFont(getVclFontFromFontAttributes(rFontAttributes, rTransform)); + } + + double TextLayouterDevice::getTextHeight() + { + return mrDevice.GetTextHeight(); + } + + double TextLayouterDevice::getTextWidth(const String& rText, xub_StrLen nIndex, xub_StrLen nLength) + { + return mrDevice.GetTextWidth(rText, nIndex, nLength); + } + + bool TextLayouterDevice::getTextOutlines(PolyPolyVector& rPolyPolyVector, const String& rText, xub_StrLen nIndex, xub_StrLen nLength, const ::std::vector< sal_Int32 >& rDXArray) + { + return mrDevice.GetTextOutlines(rPolyPolyVector, rText, nIndex, nIndex, nLength, true, 0, &(rDXArray[0])); + } + + basegfx::B2DRange TextLayouterDevice::getTextBoundRect(const String& rText, xub_StrLen nIndex, xub_StrLen nLength) + { + if(rText.Len() && nLength) + { + Rectangle aRect; + mrDevice.GetTextBoundRect(aRect, rText, nIndex, nIndex, nLength); + + return basegfx::B2DRange(aRect.Left(), aRect.Top(), aRect.Right(), aRect.Bottom()); + } + else + { + return basegfx::B2DRange(); + } + } + } // end of namespace primitive2d +} // end of namespace drawinglayer + +////////////////////////////////////////////////////////////////////////////// +// eof |