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LivePreview: update live preview when using old cache

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This commit is contained in:
Le Tan 2018-08-22 20:08:58 +08:00
parent 4ef6925bf7
commit 3c423061f6
1 changed files with 8 additions and 1 deletions
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9
src/vlivepreviewhelper.cpp
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@ -169,9 +169,16 @@ void VLivePreviewHelper::updateCodeBlocks(TimeStamp p_timeStamp, const QVector<V
m_codeBlocks.append(CodeBlockPreviewInfo(vcb)); m_codeBlocks.append(CodeBlockPreviewInfo(vcb));
int idx = m_codeBlocks.size() - 1; int idx = m_codeBlocks.size() - 1;
bool oldCache = false;
auto it = m_cache.find(text); auto it = m_cache.find(text);
if (it != m_cache.end()) { if (it != m_cache.end()) {
QSharedPointer<CodeBlockImageCacheEntry> &entry = it.value(); QSharedPointer<CodeBlockImageCacheEntry> &entry = it.value();
// If this cache is not used at the last timestamp, we still need to
// update the live preview.
if (entry->m_ts < m_timeStamp - 1) {
oldCache = true;
}
entry->m_ts = m_timeStamp; entry->m_ts = m_timeStamp;
cached = true; cached = true;
m_codeBlocks[idx].setImageData(entry->m_imgFormat, entry->m_imgData); m_codeBlocks[idx].setImageData(entry->m_imgFormat, entry->m_imgData);
@ -193,7 +200,7 @@ void VLivePreviewHelper::updateCodeBlocks(TimeStamp p_timeStamp, const QVector<V
&& livePreview && livePreview
&& vcb.m_startBlock <= cursorBlock && vcb.m_startBlock <= cursorBlock
&& vcb.m_endBlock >= cursorBlock) { && vcb.m_endBlock >= cursorBlock) {
if (lastIndex == idx && cached) { if (lastIndex == idx && cached && !oldCache) {
needUpdate = false; needUpdate = false;
} }