Details
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Type:
Bug
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Status: Closed
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Priority:
Major
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Resolution: Fixed
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Affects Version/s: None
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Fix Version/s: 6.3
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Labels:None
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Environment:any
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Support Case References:
Description
A client sent us a file that was a bit slow to render. After closer inspection there were two main hot spots.
The first being the application of DeviceCMYK using ICC colour profiles. In this particular case the CMYK converter code had excellent colour match and was a lot faster then using the ICC colour profile.
The second issue was the use of fairly large image bands that used the calRGB colour space. This particular colour space is decoded by the RawDecoder and is quite slow.
The first being the application of DeviceCMYK using ICC colour profiles. In this particular case the CMYK converter code had excellent colour match and was a lot faster then using the ICC colour profile.
The second issue was the use of fairly large image bands that used the calRGB colour space. This particular colour space is decoded by the RawDecoder and is quite slow.
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Appears to have passed QA, marking as fixed.
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Patrick Corless
added a comment - Appears to have passed QA, marking as fixed.
I've added raster building code to the RasterDecode class. This significantly speeds up the decode of the PDF. When both approaches are used we are seeing a 250% reduction in render time.