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Surface.observerElapsed
cairo
surface
Surface
Returns the total observation time.
class
Surface
double
observerElapsed
(
)
Return Value
Type:
double
the elapsed time, in nanoseconds
cairo
surface
Surface
functions
copyPage
createForRectangle
createObserver
createSimilar
createSimilarImage
finish
flush
getContent
getDevice
getDeviceOffset
getDeviceScale
getFallbackResolution
getFontOptions
getMimeData
getSurfaceType
getUserData
hasShowTextGlyphs
mapToImage
markDirty
markDirtyRectangle
observerElapsed
observerPrint
setDeviceOffset
setDeviceScale
setFallbackResolution
setMimeData
showPage
status
supportsMimeType
unmapImage
writeToPng
writeToPngStream
Returns the total observation time.