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luser-dr00g / pd0.pdf
Created February 12, 2018 03:39
pdf with errors
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luser-dr00g / dm4.pdf
Created February 1, 2018 03:03
pdf with error in xref table?
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luser-dr00g / dm3.pdf
Created January 31, 2018 22:07
malformed pdf file
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luser-dr00g / chaos.ps
Last active March 27, 2016 05:22
The Chaos Game
/randomseed { (/dev/random)(r)file read pop srand } bind def
/random { % max => 0<num<max
rand 16#7fffffff div mul
} bind def
/genpoly { % n => [ [x0 y0] ... [xn-1 yn-1] ]
2 dict begin
/n exch def
/da 360 n div def
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luser-dr00g / parsing.typescript
Created March 3, 2016 19:44
listing of parser code and supplementary headers from https://github.com/luser-dr00g/inca/tree/99518e3d2b82751b5d9910b341c61fda14fcbf2e
josh@LAPTOP-ILO10OOF ~/inca/olmec
$ cat ex.h
// predicate table contains predicate functions
// and associated enum values
#define PREDTAB(_) \
_( ANY = 1, qa, 1 ) \
_( VAR = 2, qp, gettag(x)==PROG \
|| (gettag(x)==PCHAR && getval(x)!=0x2190 /*leftarrow*/ ) ) \
_( NOUN = 4, qn, gettag(x)==LITERAL \
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luser-dr00g / mask.c
Created September 7, 2015 00:43
test program for cairo bitmask makes a big blue turkey
/* test program for cairo bit mask
makes a big blue turkey */
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <cairo.h>
#include <X11/Xlib.h>
#include <cairo-xlib.h>
#include <unistd.h>
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luser-dr00g / a8086pi.c
Created July 11, 2015 08:25
Indented version of https://gist.github.com/luser-dr00g/aef0342cb4a63d682c13
typedef intptr_t I;
typedef uintptr_t U;
typedef short S;
typedef unsigned short US;
typedef signed char C;
typedef unsigned char UC;
typedef void V;
U o, w, d, f;
U x, y, z;
void *p;
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luser-dr00g / a8086p.c
Created July 11, 2015 07:43
Macro-expanded version of a8086.c from http://codegolf.stackexchange.com/questions/4732/emulate-an-intel-8086-cpu/52902#52902
#include<ctype.h>
#include<stdint.h>
#include<stdio.h>
#include<stdlib.h>
#include<string.h>
#include<sys/stat.h>
#include<unistd.h>
typedef intptr_t I; typedef uintptr_t U;
typedef short S; typedef unsigned short US;
typedef signed char C; typedef unsigned char UC;
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luser-dr00g / shapes.ps
Created September 23, 2014 11:51
A few small drawing functions: polygons, spirals, and stars.
%polygon.ps
%rad n {proc} atpoly -
%call proc having rotated+scaled
%so (1,0) is each vertex of rad-radius n-polygon
/atpoly {
%3 args (atpoly)=
4 dict begin /p exch def /n exch def % rad
/m matrix currentmatrix def
%(rad2=)print rad2 =
%dup (atpoly: rad=)print =
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luser-dr00g / font_transform_test.c
Created September 23, 2014 07:55
testing FT_Set_Transform with FT_Render_Glyph and accessing advance vector
//make font_transform_test CFLAGS=`freetype-config --cflags ` LDLIBS=`freetype-config --libs` LDLIBS+=`pkg-config fontconfig --libs` LDLIBS+='-lm'
/*
* Xpost - a Level-2 Postscript interpreter
* Copyright (C) 2013, Michael Joshua Ryan
* Copyright (C) 2013, Vincent Torri
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met: