From bf2fb239d7a39255fe122db50dd5d03f9baa25ae Mon Sep 17 00:00:00 2001
From: Jay Berkenbilt <ejb@ql.org>
Date: Sat, 13 Jan 2018 14:32:39 -0500
Subject: Rename png_filter -> predictors

---
 libtests/png_filter.cc | 80 --------------------------------------------------
 1 file changed, 80 deletions(-)
 delete mode 100644 libtests/png_filter.cc

(limited to 'libtests/png_filter.cc')

diff --git a/libtests/png_filter.cc b/libtests/png_filter.cc
deleted file mode 100644
index 7494cb7a..00000000
--- a/libtests/png_filter.cc
+++ /dev/null
@@ -1,80 +0,0 @@
-#include <qpdf/Pl_PNGFilter.hh>
-#include <qpdf/Pl_StdioFile.hh>
-#include <qpdf/QUtil.hh>
-
-#include <iostream>
-#include <errno.h>
-#include <assert.h>
-#include <string.h>
-#include <stdlib.h>
-
-void run(char const* filename, bool encode, unsigned int columns,
-         int bits_per_sample, int samples_per_pixel)
-{
-    // Decode the file
-    FILE* in = QUtil::safe_fopen(filename, "rb");
-    FILE* o1 = QUtil::safe_fopen("out", "wb");
-    Pipeline* out = new Pl_StdioFile("out", o1);
-    Pipeline* pl = new Pl_PNGFilter(
-	"png", out,
-	encode ? Pl_PNGFilter::a_encode : Pl_PNGFilter::a_decode,
-	columns, samples_per_pixel, bits_per_sample);
-    assert((2 * (columns + 1)) < 1024);
-    unsigned char buf[1024];
-    size_t len;
-    while (true)
-    {
-	len = fread(buf, 1, (2 * columns) + 1, in);
-	if (len == 0)
-	{
-	    break;
-	}
-	pl->write(buf, len);
-	len = fread(buf, 1, 1, in);
-	if (len == 0)
-	{
-	    break;
-	}
-	pl->write(buf, len);
-	len = fread(buf, 1, 1, in);
-	if (len == 0)
-	{
-	    break;
-	}
-	pl->write(buf, len);
-    }
-
-    pl->finish();
-    delete pl;
-    delete out;
-    fclose(o1);
-    fclose(in);
-
-    std::cout << "done" << std::endl;
-}
-
-int main(int argc, char* argv[])
-{
-    if (argc != 6)
-    {
-	std::cerr << "Usage: png_filter {en,de}code filename"
-                  << " columns samples-per-pixel bits-per-sample"
-                  << std::endl;
-	exit(2);
-    }
-    bool encode = (strcmp(argv[1], "encode") == 0);
-    char* filename = argv[2];
-    int columns = QUtil::string_to_int(argv[3]);
-    int samples_per_pixel = QUtil::string_to_int(argv[4]);
-    int bits_per_sample = QUtil::string_to_int(argv[5]);
-
-    try
-    {
-	run(filename, encode, columns, bits_per_sample, samples_per_pixel);
-    }
-    catch (std::exception& e)
-    {
-	std::cout << e.what() << std::endl;
-    }
-    return 0;
-}
-- 
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