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gfx/edit/scale2x-morphos.lha |
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=========================
Scale2x, Scale3x, Scale4x
=========================
Scale2x, Scale3x and Scale4x are real-time graphics effects
able to increase the size of small bitmaps guessing the
missing pixels without blurring the images.
They were originally developed for the AdvanceMAME project
in the year 2001 to improve the quality of old games running
at low video resolutions.
The specification of the algorithm and more details are at :
http://scale2x.sourceforge.net
This package contains some implementations of the effects
in C and MMX Pentium assembler, and command line tools to
convert manually .PNG images.
1 IMPLEMENTATION
================
The files scale2x.c and scale3x.c are the fast C and MMX
implementations of the effects.
The files scalebit.c and scalebit.h are the fast C implementations
of the effects ready to be applied to a generic bitmap.
Note that the implementation of the Scale4x effect is not
obvious without using a big intermediate buffer.
The files scalerx.c is a simple command line processors,
which uses the reference implementation of the effects.
The files scalex.c is another simple command line processors,
which uses the fast implementation of the effects.
2 TOOLS
=======
The command line tools "scalerx" and "scalex" read a .PNG file
and write another .PNG file with the effect applied.
The syntax of the programs is :
scalerx [-k N] [-w] FROM.png TO.png
scalex [-k N] FROM.png TO.png
The option -k can be used to select the scale factor.
The option -w can be used to scale textures with a wraparound effect.
To compile the command line tool you need the libz and libpng
libraries.
3 EXAMPLES
==========
The directory example/ contains some examples of the effects applyed
to a generic image and to a test image.
The suffix of the images means :
1 - Original image.
2 - Scale2x effect.
3 - Scale3x effect.
4 - Scale4x effect.
1x - Scaled normally 12 times.
2x - Scale2x effect and scaled normally up to 12 times.
3x - Scale3x effect and scaled normally up to 12 times.
4x - Scale4x effect and scaled normally up to 12 times.
The `x' images have the same final size and can be used to compare
pixel by pixel the result of the effects.
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Contents of gfx/edit/scale2x-morphos.lha
PERMSSN UID GID PACKED SIZE RATIO METHOD CRC STAMP NAME
---------- ----------- ------- ------- ------ ---------- ------------ -------------
[generic] 1030 2530 40.7% -lh5- 221f Aug 31 2008 scale2x-morphos/scale2x-morphos.readme
[generic] 107114 221436 48.4% -lh5- c6c7 Aug 31 2008 scale2x-morphos/scalerx
[generic] 105469 227092 46.4% -lh5- 2284 Aug 31 2008 scale2x-morphos/scalex
[generic] 7075 25246 28.0% -lh5- 287d Mar 15 2005 scale2x-morphos/src/aclocal.m4
[generic] 155 335 46.3% -lh5- 4043 Aug 7 2004 scale2x-morphos/src/AUTHORS
[generic] 236 404 58.4% -lh5- a1fd Apr 24 2003 scale2x-morphos/src/autogen.sh
[generic] 13800 43458 31.8% -lh5- 646a Dec 23 2004 scale2x-morphos/src/config.guess
[generic] 973 3036 32.0% -lh5- 5386 Mar 15 2005 scale2x-morphos/src/config.h.in
[generic] 9736 31467 30.9% -lh5- 7a84 Dec 23 2004 scale2x-morphos/src/config.sub
[generic] 38306 160912 23.8% -lh5- 3a86 Mar 15 2005 scale2x-morphos/src/configure
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[generic] 70 74 94.6% -lh5- 3d03 Jul 19 2004 scale2x-morphos/src/configure.darwin
[generic] 155 269 57.6% -lh5- 5b61 Jul 24 2004 scale2x-morphos/src/configure.dos
[generic] 157 267 58.8% -lh5- 0446 Jul 24 2004 scale2x-morphos/src/configure.windows
[generic] 2275 6520 34.9% -lh5- 5d43 Nov 30 2002 scale2x-morphos/src/contrib/java/Scale2xImageFilter.java
[generic] 141 212 66.5% -lh5- 461b Jan 21 2003 scale2x-morphos/src/contrib/readme.txt
[generic] 1210 5091 23.8% -lh5- b2d5 Jan 21 2003 scale2x-morphos/src/contrib/sdl/scale2x.c
[generic] 3759 30578 12.3% -lh5- ec14 Jan 21 2003 scale2x-morphos/src/contrib/visualc/scale2x.cpp
[generic] 6993 17982 38.9% -lh5- dc3e Jun 22 2002 scale2x-morphos/src/COPYING
[generic] 711 2565 27.7% -lh5- a49d Mar 22 2005 scale2x-morphos/src/doc/algorithm.d
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[generic] 740 2904 25.5% -lh5- 3e0a Mar 22 2005 scale2x-morphos/src/doc/algorithm.txt
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[generic] 904 2174 41.6% -lh5- 8348 Aug 7 2004 scale2x-morphos/src/doc/readme.d
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[generic] 691 1387 49.8% -lh5- e9e6 Aug 8 2004 scale2x-morphos/src/doc/scalerx.1
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[generic] 694 1517 45.7% -lh5- 93d9 Aug 8 2004 scale2x-morphos/src/doc/scalerx.txt
[generic] 649 1246 52.1% -lh5- 3dc7 Aug 8 2004 scale2x-morphos/src/doc/scalex.1
[generic] 592 1078 54.9% -lh5- 3952 Aug 8 2004 scale2x-morphos/src/doc/scalex.d
[generic] 794 1616 49.1% -lh5- ccf6 Aug 8 2004 scale2x-morphos/src/doc/scalex.html
[generic] 640 1329 48.2% -lh5- 31e7 Aug 8 2004 scale2x-morphos/src/doc/scalex.txt
[generic] 1124 1124 100.0% -lh0- 2c1c Jul 21 2003 scale2x-morphos/src/example/mslug2-1.png
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[generic] 4684 5463 85.7% -lh5- c972 Mar 3 2004 scale2x-morphos/src/example/mslug2-3x.png
[generic] 4337 4337 100.0% -lh0- 5275 Mar 3 2004 scale2x-morphos/src/example/mslug2-4.png
[generic] 5949 6456 92.1% -lh5- 74dc Mar 3 2004 scale2x-morphos/src/example/mslug2-4x.png
[generic] 181 181 100.0% -lh0- 572c Jul 21 2003 scale2x-morphos/src/example/test-1.png
[generic] 1218 1804 67.5% -lh5- e6f4 Mar 3 2004 scale2x-morphos/src/example/test-1x.png
[generic] 378 378 100.0% -lh0- 39c6 Mar 3 2004 scale2x-morphos/src/example/test-2.png
[generic] 1581 2024 78.1% -lh5- 55e2 Mar 3 2004 scale2x-morphos/src/example/test-2x.png
[generic] 552 552 100.0% -lh0- cfd6 Mar 3 2004 scale2x-morphos/src/example/test-3.png
[generic] 1784 2155 82.8% -lh5- 19f6 Mar 3 2004 scale2x-morphos/src/example/test-3x.png
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[generic] 1985 2192 90.6% -lh5- 8f5c Mar 3 2004 scale2x-morphos/src/example/test-4x.png
[generic] 1824 5595 32.6% -lh5- 7924 Aug 8 2004 scale2x-morphos/src/file.c
[generic] 634 1254 50.6% -lh5- 215d Aug 28 2003 scale2x-morphos/src/file.h
[generic] 1198 2692 44.5% -lh5- f0ea Aug 28 2003 scale2x-morphos/src/getopt.c
[generic] 808 2053 39.4% -lh5- c29e Mar 28 2005 scale2x-morphos/src/HISTORY
[generic] 3752 9231 40.6% -lh5- f9e6 Dec 23 2004 scale2x-morphos/src/install-sh
[generic] 1323 6764 19.6% -lh5- a2d3 Aug 9 2004 scale2x-morphos/src/Makefile.am
[generic] 6708 25392 26.4% -lh5- 1e24 Mar 15 2005 scale2x-morphos/src/Makefile.in
[generic] 3545 10587 33.5% -lh5- 3684 Dec 23 2004 scale2x-morphos/src/missing
[generic] 693 1789 38.7% -lh5- 68a3 Sep 28 2001 scale2x-morphos/src/noautomake.sh
[generic] 746 1596 46.7% -lh5- ef3c Aug 28 2003 scale2x-morphos/src/pixel.c
[generic] 582 1127 51.6% -lh5- 84ce Aug 28 2003 scale2x-morphos/src/pixel.h
[generic] 638 1234 51.7% -lh5- 3bac Aug 28 2003 scale2x-morphos/src/portable.h
[generic] 923 2327 39.7% -lh5- bf64 Aug 7 2004 scale2x-morphos/src/README
[generic] 4482 41989 10.7% -lh5- 7055 Aug 8 2004 scale2x-morphos/src/scale2x.c
[generic] 926 4574 20.2% -lh5- 1876 Aug 8 2004 scale2x-morphos/src/scale2x.h
[generic] 2319 24111 9.6% -lh5- b71a Aug 8 2004 scale2x-morphos/src/scale3x.c
[generic] 644 1527 42.2% -lh5- d96a Aug 8 2004 scale2x-morphos/src/scale3x.h
[generic] 3028 19269 15.7% -lh5- 8b7b Aug 8 2004 scale2x-morphos/src/scalebit.c
[generic] 801 1603 50.0% -lh5- 1431 Aug 28 2003 scale2x-morphos/src/scalebit.h
[generic] 3548 18970 18.7% -lh5- 7fbc Mar 15 2005 scale2x-morphos/src/scalerx.c
[generic] 1865 4592 40.6% -lh5- d2b0 Aug 8 2004 scale2x-morphos/src/scalex.c
[generic] 164 164 100.0% -lh0- 6562 Oct 15 1999 scale2x-morphos/src/test/basn0g01.png
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[generic] 112 112 100.0% -lh0- 7e8d Oct 15 1999 scale2x-morphos/src/test/basn3p01.png
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[generic] 216 216 100.0% -lh0- d446 Oct 15 1999 scale2x-morphos/src/test/basn3p04.png
[generic] 1092 1286 84.9% -lh5- f241 Oct 15 1999 scale2x-morphos/src/test/basn3p08.png
[generic] 126 126 100.0% -lh0- 5813 Oct 15 1999 scale2x-morphos/src/test/basn4a08.png
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[generic] 184 184 100.0% -lh0- be0e Oct 15 1999 scale2x-morphos/src/test/basn6a08.png
[generic] 3413 3435 99.4% -lh5- daf6 Oct 15 1999 scale2x-morphos/src/test/basn6a16.png
[generic] 503 1440 34.9% -lh5- 9317 Aug 8 2004 scale2x-morphos/src/test/test.lst
---------- ----------- ------- ------- ------ ---------- ------------ -------------
Total 92 files 398709 1053471 37.8% Jul 18 20:44
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