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/* -*- 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: */
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