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Diffstat (limited to 'vcl/source/graphic/VectorGraphicSearch.cxx')
-rw-r--r--vcl/source/graphic/VectorGraphicSearch.cxx79
1 files changed, 52 insertions, 27 deletions
diff --git a/vcl/source/graphic/VectorGraphicSearch.cxx b/vcl/source/graphic/VectorGraphicSearch.cxx
index 635ed240307a..95064407f553 100644
--- a/vcl/source/graphic/VectorGraphicSearch.cxx
+++ b/vcl/source/graphic/VectorGraphicSearch.cxx
@@ -33,18 +33,18 @@ private:
public:
sal_Int32 mnPageIndex;
+ int mnCurrentIndex;
OUString maSearchString;
SearchStartPosition meStartPosition;
- SearchContext(FPDF_DOCUMENT pPdfDocument, sal_Int32 nPageIndex, OUString const& rSearchString,
- SearchStartPosition eStartPosition)
+ SearchContext(FPDF_DOCUMENT pPdfDocument, sal_Int32 nPageIndex)
: mpPdfDocument(pPdfDocument)
, mpPage(nullptr)
, mpTextPage(nullptr)
, mpSearchHandle(nullptr)
, mnPageIndex(nPageIndex)
- , maSearchString(rSearchString)
- , meStartPosition(eStartPosition)
+ , mnCurrentIndex(-1)
+ , meStartPosition(SearchStartPosition::Begin)
{
}
@@ -73,13 +73,30 @@ public:
return aSize;
}
- bool initialize()
+ bool initialize(OUString const& rSearchString, SearchStartPosition eStartPosition)
{
if (!mpPdfDocument)
return false;
+
+ if (rSearchString == maSearchString)
+ return true;
+
+ if (mpSearchHandle)
+ FPDFText_FindClose(mpSearchHandle);
+
+ if (mpTextPage)
+ FPDFText_ClosePage(mpTextPage);
+
+ if (mpPage)
+ FPDF_ClosePage(mpPage);
+
+ maSearchString = rSearchString;
+ meStartPosition = eStartPosition;
+
mpPage = FPDF_LoadPage(mpPdfDocument, mnPageIndex);
if (!mpPage)
return false;
+
mpTextPage = FPDFText_LoadPage(mpPage);
if (!mpTextPage)
return false;
@@ -89,6 +106,9 @@ public:
// Index where to start to search. -1 => at the end
int nStartIndex = meStartPosition == SearchStartPosition::End ? -1 : 0;
+ if (mnCurrentIndex >= 0)
+ nStartIndex = mnCurrentIndex;
+
// FPDF_MATCHCASE, FPDF_MATCHWHOLEWORD, FPDF_CONSECUTIVE
// FPDF_MATCHCASE - If not set, it will not match case by default.
// FPDF_MATCHWHOLEWORD - If not set, it will not match the whole word by default.
@@ -102,15 +122,21 @@ public:
bool next()
{
- if (mpSearchHandle)
- return FPDFText_FindNext(mpSearchHandle);
+ if (mpSearchHandle && FPDFText_FindNext(mpSearchHandle))
+ {
+ mnCurrentIndex = index();
+ return true;
+ }
return false;
}
bool previous()
{
- if (mpSearchHandle)
- return FPDFText_FindPrev(mpSearchHandle);
+ if (mpSearchHandle && FPDFText_FindPrev(mpSearchHandle))
+ {
+ mnCurrentIndex = index();
+ return true;
+ }
return false;
}
@@ -202,22 +228,24 @@ VectorGraphicSearch::~VectorGraphicSearch() { mpImplementation.reset(); }
bool VectorGraphicSearch::search(OUString const& rSearchString, SearchStartPosition eStartPosition)
{
- auto pData = maGraphic.getVectorGraphicData();
-
- if (pData && pData->getVectorGraphicDataType() == VectorGraphicDataType::Pdf)
+ if (!mpImplementation->mpSearchContext)
{
- return searchPDF(pData, rSearchString, eStartPosition);
+ auto pData = maGraphic.getVectorGraphicData();
+
+ if (pData && pData->getVectorGraphicDataType() == VectorGraphicDataType::Pdf)
+ {
+ if (searchPDF(pData))
+ {
+ return mpImplementation->mpSearchContext->initialize(rSearchString, eStartPosition);
+ }
+ }
+ return false;
}
- return false;
+ return mpImplementation->mpSearchContext->initialize(rSearchString, eStartPosition);
}
-bool VectorGraphicSearch::searchPDF(std::shared_ptr<VectorGraphicData> const& rData,
- OUString const& rSearchString,
- SearchStartPosition eStartPosition)
+bool VectorGraphicSearch::searchPDF(std::shared_ptr<VectorGraphicData> const& rData)
{
- if (rSearchString.isEmpty())
- return false;
-
mpImplementation->mpPdfDocument
= FPDF_LoadMemDocument(rData->getVectorGraphicDataArray().getConstArray(),
rData->getVectorGraphicDataArrayLength(), /*password=*/nullptr);
@@ -249,10 +277,9 @@ bool VectorGraphicSearch::searchPDF(std::shared_ptr<VectorGraphicData> const& rD
sal_Int32 nPageIndex = std::max(rData->getPageIndex(), sal_Int32(0));
- mpImplementation->mpSearchContext.reset(new SearchContext(
- mpImplementation->mpPdfDocument, nPageIndex, rSearchString, eStartPosition));
-
- return mpImplementation->mpSearchContext->initialize();
+ mpImplementation->mpSearchContext.reset(
+ new SearchContext(mpImplementation->mpPdfDocument, nPageIndex));
+ return true;
}
basegfx::B2DSize VectorGraphicSearch::pageSize()
@@ -311,9 +338,7 @@ bool VectorGraphicSearch::search(OUString const& /*rSearchString*/,
return false;
}
-bool VectorGraphicSearch::searchPDF(std::shared_ptr<VectorGraphicData> const& /*rData*/,
- OUString const& /*rSearchString*/,
- SearchStartPosition /*eStartPosition*/)
+bool VectorGraphicSearch::searchPDF(std::shared_ptr<VectorGraphicData> const& /*rData*/)
{
return false;
}