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authordec05eba <dec05eba@protonmail.com>2018-05-03 13:25:07 +0200
committerdec05eba <dec05eba@protonmail.com>2018-05-03 13:25:12 +0200
commitfcaea3d937a16a8d975989710f14320629c951d4 (patch)
tree54b0bcfdfe56834038c8fb69b3a329555f3803b9
parentc2841e19c227f9c0f7cef3023e012c5c80f6def4 (diff)
Optimize gif rendering
-rw-r--r--src/Gif.cpp7
1 files changed, 6 insertions, 1 deletions
diff --git a/src/Gif.cpp b/src/Gif.cpp
index 5b83158..f87b0ab 100644
--- a/src/Gif.cpp
+++ b/src/Gif.cpp
@@ -134,7 +134,12 @@ namespace dchat
void Gif::draw(sf::RenderTarget &target)
{
- double frameDeltaCs = (double)frameTimer.getElapsedTime().asMilliseconds() * 0.1; // Centisecond
+ double timeElapsedMilli = (double)frameTimer.getElapsedTime().asMilliseconds();
+ // If gif is not redrawn for a while, then we want to reset it; otherwise the decoding loop will take too long time.
+ // This means that if gif is not visible for a while and then it becomes visible, the gif will reset instead of trying to process several seconds of frames
+ if(timeElapsedMilli > 3000)
+ timeElapsedMilli = 0;
+ double frameDeltaCs = timeElapsedMilli * 0.1; // Centisecond
frameTimer.restart();
timeElapsedCs += frameDeltaCs;