diff options
Diffstat (limited to 'sd/source/ui/tools/GraphicSizeCheck.cxx')
| -rw-r--r-- | sd/source/ui/tools/GraphicSizeCheck.cxx | 221 |
1 files changed, 221 insertions, 0 deletions
diff --git a/sd/source/ui/tools/GraphicSizeCheck.cxx b/sd/source/ui/tools/GraphicSizeCheck.cxx new file mode 100644 index 000000000..492a2d70b --- /dev/null +++ b/sd/source/ui/tools/GraphicSizeCheck.cxx @@ -0,0 +1,221 @@ +/* -*- 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/. + * + */ + +#include <memory> +#include <tools/GraphicSizeCheck.hxx> +#include <svx/strings.hrc> +#include <svx/svdobj.hxx> +#include <svx/svdpage.hxx> +#include <svx/svxids.hrc> +#include <sfx2/dispatch.hxx> + +#include <sdresid.hxx> +#include <DrawDocShell.hxx> +#include <ViewShell.hxx> + +namespace sd +{ +namespace +{ +/** + * Interface for the visitor class, which handles each visited SdrObject + * in the DOM. + */ +class ModelTraverseHandler +{ +public: + virtual ~ModelTraverseHandler() {} + + virtual void handleSdrObject(SdrObject* pObject) = 0; +}; + +/** + * Traverses the DOM and calls a handler for each object (SdrObject) it + * encounters. + */ +class ModelTraverser +{ +private: + std::vector<std::shared_ptr<ModelTraverseHandler>> m_pNodeHandler; + SdDrawDocument* m_pDocument; + +public: + ModelTraverser(SdDrawDocument* pDocument) + : m_pDocument(pDocument) + { + } + + void traverse() + { + if (!m_pDocument) + return; + + for (sal_uInt16 nPage = 0; nPage < m_pDocument->GetPageCount(); ++nPage) + { + SdrPage* pPage = m_pDocument->GetPage(nPage); + if (pPage) + { + for (size_t nObject = 0; nObject < pPage->GetObjCount(); ++nObject) + { + SdrObject* pObject = pPage->GetObj(nObject); + if (pObject) + { + for (auto& pNodeHandler : m_pNodeHandler) + { + pNodeHandler->handleSdrObject(pObject); + } + } + } + } + } + } + + void addNodeHandler(std::shared_ptr<ModelTraverseHandler> pHandler) + { + m_pNodeHandler.push_back(pHandler); + } +}; +} + +GraphicSizeViolation::GraphicSizeViolation(sal_Int32 nDPI, SdrGrafObj* pGraphicObject) + : m_pGraphicObject(pGraphicObject) +{ + constexpr double fLowPercentage = 110; + constexpr double fHighPercentage = 50; + + m_nLowDPILimit = sal_Int32(100.0 / fLowPercentage * nDPI); + m_nHighDPILimit = sal_Int32(100.0 / fHighPercentage * nDPI); +} + +bool GraphicSizeViolation::check() +{ + Graphic aGraphic = m_pGraphicObject->GetGraphic(); + Size aSizePixel = aGraphic.GetSizePixel(); + Size aGraphicSize = m_pGraphicObject->GetLogicRect().GetSize(); + + double nSizeXInch + = o3tl::convert(double(aGraphicSize.Width()), o3tl::Length::mm100, o3tl::Length::in); + double nSizeYInch + = o3tl::convert(double(aGraphicSize.Height()), o3tl::Length::mm100, o3tl::Length::in); + + m_nDPIX = sal_Int32(aSizePixel.Width() / nSizeXInch); + m_nDPIY = sal_Int32(aSizePixel.Height() / nSizeYInch); + + return isDPITooLow() || isDPITooHigh(); +} + +const OUString& GraphicSizeViolation::getGraphicName() { return m_pGraphicObject->GetName(); } + +namespace +{ +class GraphicSizeCheckHandler : public ModelTraverseHandler +{ + sal_Int32 m_nDPI; + std::vector<std::unique_ptr<GraphicSizeViolation>>& m_rGraphicSizeViolationList; + +public: + GraphicSizeCheckHandler( + sal_Int32 nDPI, + std::vector<std::unique_ptr<GraphicSizeViolation>>& rGraphicSizeViolationList) + : m_nDPI(nDPI) + , m_rGraphicSizeViolationList(rGraphicSizeViolationList) + { + } + + void handleSdrObject(SdrObject* pObject) override + { + auto* pGraphicObject = dynamic_cast<SdrGrafObj*>(pObject); + if (!pGraphicObject) + return; + + auto pEntry = std::make_unique<GraphicSizeViolation>(m_nDPI, pGraphicObject); + if (pEntry->check()) + { + m_rGraphicSizeViolationList.push_back(std::move(pEntry)); + } + } +}; + +} // end anonymous namespace + +void GraphicSizeCheck::check() +{ + if (!m_pDocument) + return; + + sal_Int32 nDPI = m_pDocument->getImagePreferredDPI(); + if (nDPI == 0) + return; + + auto pHandler = std::make_shared<GraphicSizeCheckHandler>(nDPI, m_aGraphicSizeViolationList); + + ModelTraverser aModelTraverser(m_pDocument); + aModelTraverser.addNodeHandler(pHandler); + aModelTraverser.traverse(); +} + +OUString GraphicSizeCheckGUIEntry::getText() +{ + OUString sText; + + if (m_pViolation->isDPITooLow()) + { + sText = SdResId(STR_WARNING_GRAPHIC_PIXEL_COUNT_LOW); + } + else if (m_pViolation->isDPITooHigh()) + { + sText = SdResId(STR_WARNING_GRAPHIC_PIXEL_COUNT_HIGH); + } + + sText = sText.replaceAll("%NAME%", m_pViolation->getGraphicName()); + sText = sText.replaceAll("%DPIX%", OUString::number(m_pViolation->getDPIX())); + sText = sText.replaceAll("%DPIY%", OUString::number(m_pViolation->getDPIY())); + + return sText; +} + +void GraphicSizeCheckGUIEntry::markObject() +{ + sd::ViewShell* pViewShell = m_pDocument->GetDocSh()->GetViewShell(); + SdrView* pView = pViewShell->GetView(); + pView->ShowSdrPage(m_pViolation->getObject()->getSdrPageFromSdrObject()); + pView->UnmarkAll(); + pView->MarkObj(m_pViolation->getObject(), pView->GetSdrPageView()); +} + +void GraphicSizeCheckGUIEntry::runProperties() +{ + markObject(); + sd::ViewShell* pViewShell = m_pDocument->GetDocSh()->GetViewShell(); + pViewShell->GetDispatcher()->Execute(SID_ATTR_GRAF_CROP, SfxCallMode::SYNCHRON); +} + +GraphicSizeCheckGUIResult::GraphicSizeCheckGUIResult(SdDrawDocument* pDocument) +{ + GraphicSizeCheck aCheck(pDocument); + aCheck.check(); + + auto& rCollection = getCollection(); + for (auto& rpViolation : aCheck.getViolationList()) + { + auto rGUIEntry + = std::make_unique<GraphicSizeCheckGUIEntry>(pDocument, std::move(rpViolation)); + rCollection.push_back(std::move(rGUIEntry)); + } +} + +OUString GraphicSizeCheckGUIResult::getTitle() +{ + return SdResId(STR_GRAPHIC_SIZE_CHECK_DIALOG_TITLE); +} + +} // end of namespace sd + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |