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Qt: Fix division by zero error in invalid TilePainter state

This commit is contained in:
Vicki Pfau 2019-12-18 18:23:40 -08:00
parent 1002dfd0db
commit 2cb5a08f4f
2 changed files with 4 additions and 0 deletions
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1
CHANGES
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@ -100,6 +100,7 @@ Other fixes:
- Qt: Fix fast forward mute being reset (fixes mgba.io/i/1574) - Qt: Fix fast forward mute being reset (fixes mgba.io/i/1574)
- Qt: Fix scrollbar arrows in memory view (fixes mgba.io/i/1558) - Qt: Fix scrollbar arrows in memory view (fixes mgba.io/i/1558)
- Qt: Fix several cases where shader selections don't get saved - Qt: Fix several cases where shader selections don't get saved
- Qt: Fix division by zero error in invalid TilePainter state
Misc: Misc:
- GB Memory: Support manual SRAM editing (fixes mgba.io/i/1580) - GB Memory: Support manual SRAM editing (fixes mgba.io/i/1580)
- SDL: Use controller GUID instead of name - SDL: Use controller GUID instead of name

3
src/platform/qt/TilePainter.cpp
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@ -26,6 +26,9 @@ void TilePainter::paintEvent(QPaintEvent* event) {
void TilePainter::resizeEvent(QResizeEvent* event) { void TilePainter::resizeEvent(QResizeEvent* event) {
int w = width() / m_size; int w = width() / m_size;
if (!w) {
w = 1;
}
int calculatedHeight = (m_tileCount + w - 1) * m_size / w; int calculatedHeight = (m_tileCount + w - 1) * m_size / w;
calculatedHeight -= calculatedHeight % m_size; calculatedHeight -= calculatedHeight % m_size;
if (width() / m_size != m_backing.width() / m_size || m_backing.height() != calculatedHeight) { if (width() / m_size != m_backing.width() / m_size || m_backing.height() != calculatedHeight) {