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Update src/activities/reader/EpubReaderActivity.cpp

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Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
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Arthur Tazhitdinov 2026-02-02 19:42:22 +03:00 committed by GitHub
parent a6fd503f94
commit 17c20db930
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1 changed files with 4 additions and 1 deletions
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src/activities/reader/EpubReaderActivity.cpp
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@ -253,7 +253,10 @@ void EpubReaderActivity::jumpToPercent(int percent) {
percent = clampPercent(percent);
// Convert percent into a byte-like absolute position across the spine sizes.
size_t targetSize = (bookSize * static_cast<size_t>(percent)) / 100;
// Use an overflow-safe computation: (bookSize / 100) * percent + (bookSize % 100) * percent / 100
size_t targetSize =
(bookSize / 100) * static_cast<size_t>(percent) +
(bookSize % 100) * static_cast<size_t>(percent) / 100;
if (percent >= 100 && bookSize > 0) {
// Ensure the final percent lands inside the last spine item.
targetSize = bookSize - 1;