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kioslave: wait for document decoding to complete in djvucreator

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Signed-off-by: Ivailo Monev <xakepa10@gmail.com>
This commit is contained in:
Ivailo Monev 2022-12-13 06:15:45 +02:00
parent 715b840e4a
commit 69a1de37d2
1 changed files with 11 additions and 3 deletions
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14
kioslave/thumbnail/djvucreator.cpp
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@ -55,12 +55,18 @@ bool DjVuCreator::create(const QString &path, int width, int height, QImage &img
ddjvu_context_release(djvuctx);
return false;
}
kDebug() << "Waiting for document decoding to complete";
while (!ddjvu_document_decoding_done(djvudoc)) {
QCoreApplication::processEvents(QEventLoop::AllEvents, s_eventstime);
QThread::msleep(s_sleeptime);
}
kDebug() << "Done waiting for document decoding to complete";
ddjvu_page_t* djvupage = ddjvu_page_create_by_pageno(djvudoc, 0);
if (!djvupage) {
kWarning() << "Could not create DjVu page";
ddjvu_document_release(djvudoc);
ddjvu_context_release(djvuctx);
img = QImage();
return false;
}
kDebug() << "Waiting for page decoding to complete";
@ -69,7 +75,7 @@ bool DjVuCreator::create(const QString &path, int width, int height, QImage &img
QThread::msleep(s_sleeptime);
}
kDebug() << "Done waiting for page decoding to complete";
img = QImage(width, height, QImage::Format_RGB32);
uint djvumask[4] = { 0x00ff0000, 0x0000ff00, 0x000000ff, 0xff000000 };
int djvumasksize = 3; // sizeof(djvumask);
ddjvu_format_t* djvuformat = ddjvu_format_create(DDJVU_FORMAT_RGBMASK32, djvumasksize, djvumask);
@ -78,11 +84,11 @@ bool DjVuCreator::create(const QString &path, int width, int height, QImage &img
ddjvu_page_release(djvupage);
ddjvu_document_release(djvudoc);
ddjvu_context_release(djvuctx);
img = QImage();
return false;
}
ddjvu_format_set_row_order(djvuformat, 1);
ddjvu_format_set_y_direction(djvuformat, 1);
ddjvu_rect_t djvupagerect;
djvupagerect.x = 0;
djvupagerect.y = 0;
@ -90,6 +96,7 @@ bool DjVuCreator::create(const QString &path, int width, int height, QImage &img
djvupagerect.h = height;
ddjvu_rect_t djvurenderrect;
djvurenderrect = djvupagerect;
img = QImage(width, height, QImage::Format_RGB32);
const int djvustatus = ddjvu_page_render(
djvupage,
DDJVU_RENDER_COLOR,
@ -106,6 +113,7 @@ bool DjVuCreator::create(const QString &path, int width, int height, QImage &img
img = QImage();
return false;
}
ddjvu_page_release(djvupage);
ddjvu_format_release(djvuformat);
ddjvu_document_release(djvudoc);