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Diffstat (limited to 'sd/source/ui/presenter/SlideRenderer.cxx')
| -rw-r--r-- | sd/source/ui/presenter/SlideRenderer.cxx | 274 |
1 files changed, 0 insertions, 274 deletions
diff --git a/sd/source/ui/presenter/SlideRenderer.cxx b/sd/source/ui/presenter/SlideRenderer.cxx deleted file mode 100644 index 95c0eecb6..000000000 --- a/sd/source/ui/presenter/SlideRenderer.cxx +++ /dev/null @@ -1,274 +0,0 @@ -/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ -/************************************************************************* - * - * 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. - * - ************************************************************************/ - -#include "precompiled_sd.hxx" - -#include "SlideRenderer.hxx" -#include "sdpage.hxx" -#include <toolkit/helper/vclunohelper.hxx> -#include <osl/mutex.hxx> -#include <vcl/svapp.hxx> -#include <cppcanvas/vclfactory.hxx> - -using namespace ::com::sun::star; -using namespace ::com::sun::star::uno; -using ::rtl::OUString; - -namespace sd { namespace presenter { - -//===== Service =============================================================== - -Reference<XInterface> SAL_CALL SlideRenderer_createInstance ( - const Reference<XComponentContext>& rxContext) -{ - return Reference<XInterface>(static_cast<XWeak*>(new SlideRenderer(rxContext))); -} - - - - -::rtl::OUString SlideRenderer_getImplementationName (void) throw(RuntimeException) -{ - return OUString(RTL_CONSTASCII_USTRINGPARAM("com.sun.star.comp.Draw.SlideRenderer")); -} - - - - -Sequence<rtl::OUString> SAL_CALL SlideRenderer_getSupportedServiceNames (void) - throw (RuntimeException) -{ - static const ::rtl::OUString sServiceName( - ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("com.sun.star.drawing.SlideRenderer"))); - return Sequence<rtl::OUString>(&sServiceName, 1); -} - - - - -//===== SlideRenderer ========================================================== - -SlideRenderer::SlideRenderer (const Reference<XComponentContext>& rxContext) - : SlideRendererInterfaceBase(m_aMutex), - maPreviewRenderer() -{ - (void)rxContext; -} - - - - -SlideRenderer::~SlideRenderer (void) -{ -} - - - - -void SAL_CALL SlideRenderer::disposing (void) -{ -} - - - - -//----- XInitialization ------------------------------------------------------- - -void SAL_CALL SlideRenderer::initialize (const Sequence<Any>& rArguments) - throw (Exception, RuntimeException) -{ - ThrowIfDisposed(); - - if (rArguments.getLength() == 0) - { - try - { - } - catch (RuntimeException&) - { - throw; - } - } - else - { - throw RuntimeException( - OUString(RTL_CONSTASCII_USTRINGPARAM("SlideRenderer: invalid number of arguments")), - static_cast<XWeak*>(this)); - } -} - - - - -//----- XSlideRenderer -------------------------------------------------------- - -Reference<awt::XBitmap> SlideRenderer::createPreview ( - const Reference<drawing::XDrawPage>& rxSlide, - const awt::Size& rMaximalSize, - sal_Int16 nSuperSampleFactor) - throw (css::uno::RuntimeException) -{ - ThrowIfDisposed(); - SolarMutexGuard aGuard; - - return VCLUnoHelper::CreateBitmap( - CreatePreview(rxSlide, rMaximalSize, nSuperSampleFactor)); -} - - - - -Reference<rendering::XBitmap> SlideRenderer::createPreviewForCanvas ( - const Reference<drawing::XDrawPage>& rxSlide, - const awt::Size& rMaximalSize, - sal_Int16 nSuperSampleFactor, - const Reference<rendering::XCanvas>& rxCanvas) - throw (css::uno::RuntimeException) -{ - ThrowIfDisposed(); - SolarMutexGuard aGuard; - - cppcanvas::BitmapCanvasSharedPtr pCanvas (cppcanvas::VCLFactory::getInstance().createCanvas( - Reference<rendering::XBitmapCanvas>(rxCanvas, UNO_QUERY))); - if (pCanvas.get() != NULL) - return cppcanvas::VCLFactory::getInstance().createBitmap( - pCanvas, - CreatePreview(rxSlide, rMaximalSize, nSuperSampleFactor))->getUNOBitmap(); - else - return NULL; -} - - - - -awt::Size SAL_CALL SlideRenderer::calculatePreviewSize ( - double nSlideAspectRatio, - const awt::Size& rMaximalSize) - throw (css::uno::RuntimeException) -{ - if (rMaximalSize.Width <= 0 - || rMaximalSize.Height <= 0 - || nSlideAspectRatio <= 0) - { - return awt::Size(0,0); - } - - const double nWindowAspectRatio (double(rMaximalSize.Width) / double(rMaximalSize.Height)); - if (nSlideAspectRatio < nWindowAspectRatio) - return awt::Size( - sal::static_int_cast<sal_Int32>(rMaximalSize.Height * nSlideAspectRatio), - rMaximalSize.Height); - else - return awt::Size( - rMaximalSize.Width, - sal::static_int_cast<sal_Int32>(rMaximalSize.Width / nSlideAspectRatio)); -} - - - - -//----------------------------------------------------------------------------- - -BitmapEx SlideRenderer::CreatePreview ( - const Reference<drawing::XDrawPage>& rxSlide, - const awt::Size& rMaximalSize, - sal_Int16 nSuperSampleFactor) - throw (css::uno::RuntimeException) -{ - const SdPage* pPage = SdPage::getImplementation(rxSlide); - if (pPage == NULL) - throw lang::IllegalArgumentException( - OUString(RTL_CONSTASCII_USTRINGPARAM("SlideRenderer::createPreview() called with invalid slide")), - static_cast<XWeak*>(this), - 0); - - // Determine the size of the current slide and its aspect ratio. - Size aPageSize = pPage->GetSize(); - if (aPageSize.Height() <= 0) - throw lang::IllegalArgumentException( - OUString(RTL_CONSTASCII_USTRINGPARAM("SlideRenderer::createPreview() called with invalid size")), - static_cast<XWeak*>(this), - 1); - - // Compare with the aspect ratio of the window (which rMaximalSize - // assumed to be) and calculate the size of the preview so that it - // a) will have the aspect ratio of the page and - // b) will be as large as possible. - awt::Size aPreviewSize (calculatePreviewSize( - double(aPageSize.Width()) / double(aPageSize.Height()), - rMaximalSize)); - if (aPreviewSize.Width <= 0 || aPreviewSize.Height <= 0) - return BitmapEx(); - - // Make sure that the super sample factor has a sane value. - sal_Int16 nFactor (nSuperSampleFactor); - if (nFactor < 1) - nFactor = 1; - else if (nFactor > 10) - nFactor = 10; - - // Create the preview. When the super sample factor n is greater than 1 - // then a preview is created in size (n*width, n*height) and then scaled - // down to (width, height). This is a poor mans antialiasing for the - // time being. When we have true antialiasing support this workaround - // can be removed. - const Image aPreview = maPreviewRenderer.RenderPage ( - pPage, - Size(aPreviewSize.Width*nFactor, aPreviewSize.Height*nFactor), - ::rtl::OUString()); - if (nFactor == 1) - return aPreview.GetBitmapEx(); - else - { - BitmapEx aScaledPreview = aPreview.GetBitmapEx(); - aScaledPreview.Scale( - Size(aPreviewSize.Width,aPreviewSize.Height), - BMP_SCALE_INTERPOLATE); - return aScaledPreview; - } -} - - - - -void SlideRenderer::ThrowIfDisposed (void) - throw (::com::sun::star::lang::DisposedException) -{ - if (SlideRendererInterfaceBase::rBHelper.bDisposed || SlideRendererInterfaceBase::rBHelper.bInDispose) - { - throw lang::DisposedException ( - ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM( - "SlideRenderer object has already been disposed")), - static_cast<uno::XWeak*>(this)); - } -} - - -} } // end of namespace ::sd::presenter - -/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |