diff options
Diffstat (limited to 'src/pdf/qpdfdocument.cpp')
| -rw-r--r-- | src/pdf/qpdfdocument.cpp | 25 |
1 files changed, 23 insertions, 2 deletions
diff --git a/src/pdf/qpdfdocument.cpp b/src/pdf/qpdfdocument.cpp index b48bbda..4d7990d 100644 --- a/src/pdf/qpdfdocument.cpp +++ b/src/pdf/qpdfdocument.cpp @@ -57,6 +57,7 @@ void QPdfDocumentPrivate::clear() avail = 0; loadComplete = false; + reportedAvailablePages.clear(); asyncBuffer.close(); asyncBuffer.setData(QByteArray()); @@ -169,8 +170,11 @@ void QPdfDocumentPrivate::tryLoadDocument() updateLastError(); if (lastError == QPdfDocument::IncorrectPasswordError) emit q->passwordRequired(); - else if (doc) + else if (doc) { emit q->documentLoadStarted(); + reportedAvailablePages.resize(FPDF_GetPageCount(doc)); + reportedAvailablePages.fill(false); + } } void QPdfDocumentPrivate::checkComplete() @@ -187,8 +191,14 @@ void QPdfDocumentPrivate::checkComplete() loadComplete = true; for (int i = 0, count = FPDF_GetPageCount(doc); i < count; ++i) - if (!FPDFAvail_IsPageAvail(avail, i, this)) + if (FPDFAvail_IsPageAvail(avail, i, this)) { + if (!reportedAvailablePages.at(i)) { + reportedAvailablePages[i] = true; + emit q->pageAvailable(i); + } + } else { loadComplete = false; + } if (loadComplete) emit q->documentLoadFinished(); } @@ -285,6 +295,14 @@ QSizeF QPdfDocument::pageSize(int page) const return result; } +bool QPdfDocument::canRender(int page) const +{ + QMutexLocker lock(pdfMutex()); + if (!d->doc) + return false; + return d->reportedAvailablePages.at(page); +} + QImage QPdfDocument::render(int page, const QSizeF &pageSize) { if (!d->doc) @@ -292,6 +310,9 @@ QImage QPdfDocument::render(int page, const QSizeF &pageSize) QMutexLocker lock(pdfMutex()); + if (!FPDFAvail_IsPageAvail(d->avail, page, d.data())) + return QImage(); + FPDF_PAGE pdfPage = FPDF_LoadPage(d->doc, page); if (!pdfPage) return QImage(); |