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kimgio: warn from webp plugin about unsupported frame skips

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Signed-off-by: Ivailo Monev <xakepa10@gmail.com>
This commit is contained in:
Ivailo Monev 2024-04-11 00:54:35 +03:00
parent df1d0cb370
commit 0a43f48a5c
1 changed files with 8 additions and 1 deletions
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9
kimgio/webp.cpp
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@ -135,7 +135,6 @@ bool WebPHandler::read(QImage *image)
m_previousrect = QRectF(webpiter.x_offset, webpiter.y_offset, webpiter.width, webpiter.height); m_previousrect = QRectF(webpiter.x_offset, webpiter.y_offset, webpiter.width, webpiter.height);
m_framepainter->drawImage(m_previousrect, frame); m_framepainter->drawImage(m_previousrect, frame);
// bound to reasonable limits // bound to reasonable limits
m_imagedelay = qBound(10, webpiter.duration, 10000); m_imagedelay = qBound(10, webpiter.duration, 10000);
@ -262,6 +261,10 @@ void WebPHandler::setOption(QImageIOHandler::ImageOption option, const QVariant
bool WebPHandler::jumpToImage(int imageNumber) bool WebPHandler::jumpToImage(int imageNumber)
{ {
if (imageNumber != 0 && (imageNumber < m_currentimage || (imageNumber - 1) != m_currentimage)) {
kWarning() << "Only jumping forward is supported";
return false;
}
if (imageNumber == 0) { if (imageNumber == 0) {
const qint64 devicepos = device()->pos(); const qint64 devicepos = device()->pos();
m_data = device()->readAll(); m_data = device()->readAll();
@ -302,6 +305,7 @@ bool WebPHandler::jumpToImage(int imageNumber)
kWarning() << "Could not get animation information"; kWarning() << "Could not get animation information";
m_data.clear(); m_data.clear();
WebPAnimDecoderDelete(m_webpanimdec); WebPAnimDecoderDelete(m_webpanimdec);
m_webpanimdec = nullptr;
return false; return false;
} }
@ -311,6 +315,9 @@ bool WebPHandler::jumpToImage(int imageNumber)
m_framebuffer = QImage(webpaniminfo.canvas_width, webpaniminfo.canvas_height, QImage::Format_ARGB32_Premultiplied); m_framebuffer = QImage(webpaniminfo.canvas_width, webpaniminfo.canvas_height, QImage::Format_ARGB32_Premultiplied);
if (Q_UNLIKELY(m_framebuffer.isNull())) { if (Q_UNLIKELY(m_framebuffer.isNull())) {
kWarning() << "Could not create buffer image"; kWarning() << "Could not create buffer image";
m_data.clear();
WebPAnimDecoderDelete(m_webpanimdec);
m_webpanimdec = nullptr;
return false; return false;
} }
// NOTE: have to fill, areas of frames may not be drawn // NOTE: have to fill, areas of frames may not be drawn