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Diffstat (limited to 'drawinglayer/source/primitive2d/controlprimitive2d.cxx')
| -rw-r--r-- | drawinglayer/source/primitive2d/controlprimitive2d.cxx | 383 |
1 files changed, 383 insertions, 0 deletions
diff --git a/drawinglayer/source/primitive2d/controlprimitive2d.cxx b/drawinglayer/source/primitive2d/controlprimitive2d.cxx new file mode 100644 index 000000000000..589b2c24bbb8 --- /dev/null +++ b/drawinglayer/source/primitive2d/controlprimitive2d.cxx @@ -0,0 +1,383 @@ +/************************************************************************* + * + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * Copyright 2000, 2010 Oracle and/or its affiliates. + * + * OpenOffice.org - a multi-platform office productivity suite + * + * This file is part of OpenOffice.org. + * + * OpenOffice.org is free software: you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License version 3 + * only, as published by the Free Software Foundation. + * + * OpenOffice.org 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 version 3 for more details + * (a copy is included in the LICENSE file that accompanied this code). + * + * You should have received a copy of the GNU Lesser General Public License + * version 3 along with OpenOffice.org. If not, see + * <http://www.openoffice.org/license.html> + * for a copy of the LGPLv3 License. + * + ************************************************************************/ + +// MARKER(update_precomp.py): autogen include statement, do not remove +#include "precompiled_drawinglayer.hxx" + +#include <drawinglayer/primitive2d/controlprimitive2d.hxx> +#include <com/sun/star/beans/XPropertySet.hpp> +#include <comphelper/processfactory.hxx> +#include <com/sun/star/awt/XWindow2.hpp> +#include <drawinglayer/geometry/viewinformation2d.hxx> +#include <vcl/virdev.hxx> +#include <vcl/svapp.hxx> +#include <com/sun/star/awt/PosSize.hpp> +#include <vcl/bitmapex.hxx> +#include <drawinglayer/primitive2d/bitmapprimitive2d.hxx> +#include <tools/diagnose_ex.h> +#include <basegfx/polygon/b2dpolygontools.hxx> +#include <basegfx/polygon/b2dpolygon.hxx> +#include <drawinglayer/primitive2d/polygonprimitive2d.hxx> +#include <drawinglayer/primitive2d/drawinglayer_primitivetypes2d.hxx> +#include <svtools/optionsdrawinglayer.hxx> +#include <toolkit/awt/vclxwindow.hxx> +#include <vcl/window.hxx> +#include <basegfx/matrix/b2dhommatrixtools.hxx> + +////////////////////////////////////////////////////////////////////////////// + +using namespace com::sun::star; + +////////////////////////////////////////////////////////////////////////////// + +namespace drawinglayer +{ + namespace primitive2d + { + void ControlPrimitive2D::createXControl() + { + if(!mxXControl.is() && getControlModel().is()) + { + uno::Reference< beans::XPropertySet > xSet(getControlModel(), uno::UNO_QUERY); + + if(xSet.is()) + { + uno::Any aValue(xSet->getPropertyValue(rtl::OUString::createFromAscii("DefaultControl"))); + rtl::OUString aUnoControlTypeName; + + if(aValue >>= aUnoControlTypeName) + { + if(aUnoControlTypeName.getLength()) + { + uno::Reference< lang::XMultiServiceFactory > xFactory( comphelper::getProcessServiceFactory() ); + + if(xFactory.is()) + { + uno::Reference< awt::XControl > xXControl(xFactory->createInstance(aUnoControlTypeName), uno::UNO_QUERY); + + if(xXControl.is()) + { + xXControl->setModel(getControlModel()); + + // remember XControl + mxXControl = xXControl; + } + } + } + } + } + } + } + + Primitive2DReference ControlPrimitive2D::createBitmapDecomposition(const geometry::ViewInformation2D& rViewInformation) const + { + Primitive2DReference xRetval; + const uno::Reference< awt::XControl >& rXControl(getXControl()); + + if(rXControl.is()) + { + uno::Reference< awt::XWindow > xControlWindow(rXControl, uno::UNO_QUERY); + + if(xControlWindow.is()) + { + // get decomposition to get size + basegfx::B2DVector aScale, aTranslate; + double fRotate, fShearX; + getTransform().decompose(aScale, aTranslate, fRotate, fShearX); + + // get absolute discrete size (no mirror or rotate here) + aScale = basegfx::absolute(aScale); + basegfx::B2DVector aDiscreteSize(rViewInformation.getObjectToViewTransformation() * aScale); + + // limit to a maximum square size, e.g. 300x150 pixels (45000) + const SvtOptionsDrawinglayer aDrawinglayerOpt; + const double fDiscreteMax(aDrawinglayerOpt.GetQuadraticFormControlRenderLimit()); + const double fDiscreteQuadratic(aDiscreteSize.getX() * aDiscreteSize.getY()); + const bool bScaleUsed(fDiscreteQuadratic > fDiscreteMax); + double fFactor(1.0); + + if(bScaleUsed) + { + // get factor and adapt to scaled size + fFactor = sqrt(fDiscreteMax / fDiscreteQuadratic); + aDiscreteSize *= fFactor; + } + + // go to integer + const sal_Int32 nSizeX(basegfx::fround(aDiscreteSize.getX())); + const sal_Int32 nSizeY(basegfx::fround(aDiscreteSize.getY())); + + if(nSizeX > 0 && nSizeY > 0) + { + // prepare VirtualDevice + VirtualDevice aVirtualDevice(*Application::GetDefaultDevice()); + const Size aSizePixel(nSizeX, nSizeY); + aVirtualDevice.SetOutputSizePixel(aSizePixel); + + // set size at control + xControlWindow->setPosSize(0, 0, nSizeX, nSizeY, awt::PosSize::POSSIZE); + + // get graphics and view + uno::Reference< awt::XGraphics > xGraphics(aVirtualDevice.CreateUnoGraphics()); + uno::Reference< awt::XView > xControlView(rXControl, uno::UNO_QUERY); + + if(xGraphics.is() && xControlView.is()) + { + // link graphics and view + xControlView->setGraphics(xGraphics); + + { // #i93162# For painting the control setting a Zoom (using setZoom() at the xControlView) + // is needed to define the font size. Normally this is done in + // ViewObjectContactOfUnoControl::createPrimitive2DSequence by using positionControlForPaint(). + // For some reason the difference between MAP_TWIPS and MAP_100TH_MM still plays + // a role there so that for Draw/Impress/Calc (the MAP_100TH_MM users) i need to set a zoom + // here, too. The factor includes the needed scale, but is calculated by pure comparisons. It + // is somehow related to the twips/100thmm relationship. + bool bUserIs100thmm(false); + const uno::Reference< awt::XControl > xControl(xControlView, uno::UNO_QUERY); + + if(xControl.is()) + { + uno::Reference< awt::XWindowPeer > xWindowPeer(xControl->getPeer()); + + if(xWindowPeer.is()) + { + VCLXWindow* pVCLXWindow = VCLXWindow::GetImplementation(xWindowPeer); + + if(pVCLXWindow) + { + Window* pWindow = pVCLXWindow->GetWindow(); + + if(pWindow) + { + pWindow = pWindow->GetParent(); + + if(pWindow) + { + if(MAP_100TH_MM == pWindow->GetMapMode().GetMapUnit()) + { + bUserIs100thmm = true; + } + } + } + } + } + } + + if(bUserIs100thmm) + { + // calc screen zoom for text display. fFactor is already added indirectly in aDiscreteSize + basegfx::B2DVector aScreenZoom( + basegfx::fTools::equalZero(aScale.getX()) ? 1.0 : aDiscreteSize.getX() / aScale.getX(), + basegfx::fTools::equalZero(aScale.getY()) ? 1.0 : aDiscreteSize.getY() / aScale.getY()); + static double fZoomScale(28.0); // do not ask for this constant factor, but it gets the zoom right + aScreenZoom *= fZoomScale; + + // set zoom at control view for text scaling + xControlView->setZoom((float)aScreenZoom.getX(), (float)aScreenZoom.getY()); + } + } + + try + { + // try to paint it to VirtualDevice + xControlView->draw(0, 0); + + // get bitmap + const Bitmap aContent(aVirtualDevice.GetBitmap(Point(), aSizePixel)); + + // to avoid scaling, use the Bitmap pixel size as primitive size + const Size aBitmapSize(aContent.GetSizePixel()); + basegfx::B2DVector aBitmapSizeLogic( + rViewInformation.getInverseObjectToViewTransformation() * + basegfx::B2DVector(aBitmapSize.getWidth() - 1, aBitmapSize.getHeight() - 1)); + + if(bScaleUsed) + { + // if scaled adapt to scaled size + aBitmapSizeLogic /= fFactor; + } + + // short form for scale and translate transformation + const basegfx::B2DHomMatrix aBitmapTransform(basegfx::tools::createScaleTranslateB2DHomMatrix( + aBitmapSizeLogic.getX(), aBitmapSizeLogic.getY(), aTranslate.getX(), aTranslate.getY())); + + // create primitive + xRetval = new BitmapPrimitive2D(BitmapEx(aContent), aBitmapTransform); + } + catch( const uno::Exception& ) + { + DBG_UNHANDLED_EXCEPTION(); + } + } + } + } + } + + return xRetval; + } + + Primitive2DReference ControlPrimitive2D::createPlaceholderDecomposition(const geometry::ViewInformation2D& /*rViewInformation*/) const + { + // create a gray placeholder hairline polygon in object size + basegfx::B2DRange aObjectRange(0.0, 0.0, 1.0, 1.0); + aObjectRange.transform(getTransform()); + const basegfx::B2DPolygon aOutline(basegfx::tools::createPolygonFromRect(aObjectRange)); + const basegfx::BColor aGrayTone(0xc0 / 255.0, 0xc0 / 255.0, 0xc0 / 255.0); + + // The replacement object may also get a text like 'empty group' here later + Primitive2DReference xRetval(new PolygonHairlinePrimitive2D(aOutline, aGrayTone)); + + return xRetval; + } + + Primitive2DSequence ControlPrimitive2D::create2DDecomposition(const geometry::ViewInformation2D& rViewInformation) const + { + // try to create a bitmap decomposition. If that fails for some reason, + // at least create a replacement decomposition. + Primitive2DReference xReference(createBitmapDecomposition(rViewInformation)); + + if(!xReference.is()) + { + xReference = createPlaceholderDecomposition(rViewInformation); + } + + return Primitive2DSequence(&xReference, 1L); + } + + ControlPrimitive2D::ControlPrimitive2D( + const basegfx::B2DHomMatrix& rTransform, + const uno::Reference< awt::XControlModel >& rxControlModel) + : BufferedDecompositionPrimitive2D(), + maTransform(rTransform), + mxControlModel(rxControlModel), + mxXControl(), + maLastViewScaling() + { + } + + ControlPrimitive2D::ControlPrimitive2D( + const basegfx::B2DHomMatrix& rTransform, + const uno::Reference< awt::XControlModel >& rxControlModel, + const uno::Reference< awt::XControl >& rxXControl) + : BufferedDecompositionPrimitive2D(), + maTransform(rTransform), + mxControlModel(rxControlModel), + mxXControl(rxXControl), + maLastViewScaling() + { + } + + const uno::Reference< awt::XControl >& ControlPrimitive2D::getXControl() const + { + if(!mxXControl.is()) + { + const_cast< ControlPrimitive2D* >(this)->createXControl(); + } + + return mxXControl; + } + + bool ControlPrimitive2D::operator==(const BasePrimitive2D& rPrimitive) const + { + // use base class compare operator + if(BufferedDecompositionPrimitive2D::operator==(rPrimitive)) + { + const ControlPrimitive2D& rCompare = (ControlPrimitive2D&)rPrimitive; + + if(getTransform() == rCompare.getTransform()) + { + // check if ControlModel references both are/are not + bool bRetval(getControlModel().is() == rCompare.getControlModel().is()); + + if(bRetval && getControlModel().is()) + { + // both exist, check for equality + bRetval = (getControlModel() == rCompare.getControlModel()); + } + + if(bRetval) + { + // check if XControl references both are/are not + bRetval = (getXControl().is() == rCompare.getXControl().is()); + } + + if(bRetval && getXControl().is()) + { + // both exist, check for equality + bRetval = (getXControl() == rCompare.getXControl()); + } + + return bRetval; + } + } + + return false; + } + + basegfx::B2DRange ControlPrimitive2D::getB2DRange(const geometry::ViewInformation2D& /*rViewInformation*/) const + { + // simply derivate from unit range + basegfx::B2DRange aRetval(0.0, 0.0, 1.0, 1.0); + aRetval.transform(getTransform()); + return aRetval; + } + + Primitive2DSequence ControlPrimitive2D::get2DDecomposition(const geometry::ViewInformation2D& rViewInformation) const + { + // this primitive is view-dependent related to the scaling. If scaling has changed, + // destroy existing decomposition. To detect change, use size of unit size in view coordinates + ::osl::MutexGuard aGuard( m_aMutex ); + const basegfx::B2DVector aNewScaling(rViewInformation.getObjectToViewTransformation() * basegfx::B2DVector(1.0, 1.0)); + + if(getBuffered2DDecomposition().hasElements()) + { + if(!maLastViewScaling.equal(aNewScaling)) + { + // conditions of last local decomposition have changed, delete + const_cast< ControlPrimitive2D* >(this)->setBuffered2DDecomposition(Primitive2DSequence()); + } + } + + if(!getBuffered2DDecomposition().hasElements()) + { + // remember ViewTransformation + const_cast< ControlPrimitive2D* >(this)->maLastViewScaling = aNewScaling; + } + + // use parent implementation + return BufferedDecompositionPrimitive2D::get2DDecomposition(rViewInformation); + } + + // provide unique ID + ImplPrimitrive2DIDBlock(ControlPrimitive2D, PRIMITIVE2D_ID_CONTROLPRIMITIVE2D) + + } // end of namespace primitive2d +} // end of namespace drawinglayer + +////////////////////////////////////////////////////////////////////////////// +// eof |