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Clean up

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Alex Clark 2014-06-22 20:48:49 -04:00
parent d1130b4d09
commit 4b2bc94b19
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Tk/README.rst
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@ -39,7 +39,7 @@ Adding Tkinter support
The Photoimage Booster Patch (for Windows 95/NT) The Photoimage Booster Patch (for Windows 95/NT)
==================================================================== ====================================================================
This patch kit boosts performance for 16/24-bit displays. The This patch kit boosts performance for 16/24-bit displays. The
first patch is required on Tk 4.2 (where it fixes the problems for first patch is required on Tk 4.2 (where it fixes the problems for
16-bit displays) and later versions, with the exception for Tk 8.0b1 16-bit displays) and later versions, with the exception for Tk 8.0b1
where Sun added something similar themselves, only to remove it in where Sun added something similar themselves, only to remove it in
@ -47,7 +47,7 @@ where Sun added something similar themselves, only to remove it in
much faster on both 16-bit and 24-bit displays. The patch has been much faster on both 16-bit and 24-bit displays. The patch has been
tested with Tk 4.2 and 8.0. tested with Tk 4.2 and 8.0.
Here's a benchmark, made with a sample program which loads two Here's a benchmark, made with a sample program which loads two
512x512 greyscale PGM's, and two 512x512 colour PPM's, and displays 512x512 greyscale PGM's, and two 512x512 colour PPM's, and displays
each of them in a separate toplevel windows. Tcl/Tk was compiled each of them in a separate toplevel windows. Tcl/Tk was compiled
with Visual C 4.0, and run on a P100 under Win95. Image load times with Visual C 4.0, and run on a P100 under Win95. Image load times
@ -97,7 +97,7 @@ to::
bad on highend truecolour displays. IMO, it should be rewritten from bad on highend truecolour displays. IMO, it should be rewritten from
scratch (some other day...). scratch (some other day...).
Anyway, the following band-aid makes the situation a little bit Anyway, the following band-aid makes the situation a little bit
better under Windows. This hack trades some marginal quality (no better under Windows. This hack trades some marginal quality (no
dithering on 16-bit displays) for a dramatic performance boost. dithering on 16-bit displays) for a dramatic performance boost.
Requires patch 1, unless you're using Tk 4.1 or Tk 8.0b1. Requires patch 1, unless you're using Tk 4.1 or Tk 8.0b1.