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[core] Add consts

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This commit is contained in:
John Firebaugh
2017-06-13 13:57:52 -07:00
parent 8902e28e9b
commit 5e0018cdc3
1 changed files with 3 additions and 3 deletions
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6
src/mbgl/renderer/frame_history.cpp
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@@ -37,9 +37,9 @@ void FrameHistory::record(const TimePoint& now, float zoom, const Duration& dura
}
for (int16_t z = 0; z <= 255; z++) {
std::chrono::duration<float> timeDiff = now - changeTimes[z];
int32_t opacityChange = (duration == Milliseconds(0) ? 1 : (timeDiff / duration)) * 255;
uint8_t opacity = z <= zoomIndex
const std::chrono::duration<float> timeDiff = now - changeTimes[z];
const int32_t opacityChange = (duration == Milliseconds(0) ? 1 : (timeDiff / duration)) * 255;
const uint8_t opacity = z <= zoomIndex
? util::min(255, changeOpacities[z] + opacityChange)
: util::max(0, changeOpacities[z] - opacityChange);
if (opacities.data[z] != opacity) {