summaryrefslogtreecommitdiff
path: root/Build/source/libs/libpng/libpng-1.6.2/contrib/libtests/readpng.c
diff options
context:
space:
mode:
Diffstat (limited to 'Build/source/libs/libpng/libpng-1.6.2/contrib/libtests/readpng.c')
-rw-r--r--Build/source/libs/libpng/libpng-1.6.2/contrib/libtests/readpng.c104
1 files changed, 0 insertions, 104 deletions
diff --git a/Build/source/libs/libpng/libpng-1.6.2/contrib/libtests/readpng.c b/Build/source/libs/libpng/libpng-1.6.2/contrib/libtests/readpng.c
deleted file mode 100644
index 7ba46d0b96b..00000000000
--- a/Build/source/libs/libpng/libpng-1.6.2/contrib/libtests/readpng.c
+++ /dev/null
@@ -1,104 +0,0 @@
-/* readpng.c
- *
- * Copyright (c) 2013 John Cunningham Bowler
- *
- * Last changed in libpng 1.6.1 [March 28, 2013]
- *
- * This code is released under the libpng license.
- * For conditions of distribution and use, see the disclaimer
- * and license in png.h
- *
- * Load an arbitrary number of PNG files (from the command line, or, if there
- * are no arguments on the command line, from stdin) then run a time test by
- * reading each file by row. The test does nothing with the read result and
- * does no transforms. The only output is a time as a floating point number of
- * seconds with 9 decimal digits.
- */
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-
-#if defined(HAVE_CONFIG_H) && !defined(PNG_NO_CONFIG_H)
-# include <config.h>
-#endif
-
-/* Define the following to use this test against your installed libpng, rather
- * than the one being built here:
- */
-#ifdef PNG_FREESTANDING_TESTS
-# include <png.h>
-#else
-# include "../../png.h"
-#endif
-
-static int
-read_png(FILE *fp)
-{
- png_structp png_ptr = png_create_read_struct(PNG_LIBPNG_VER_STRING,0,0,0);
- png_infop info_ptr = NULL;
- png_bytep row = NULL, display = NULL;
-
- if (png_ptr == NULL)
- return 0;
-
- if (setjmp(png_jmpbuf(png_ptr)))
- {
- png_destroy_read_struct(&png_ptr, &info_ptr, NULL);
- if (row != NULL) free(row);
- if (display != NULL) free(display);
- return 0;
- }
-
- png_init_io(png_ptr, fp);
-
- info_ptr = png_create_info_struct(png_ptr);
- if (info_ptr == NULL)
- png_error(png_ptr, "OOM allocating info structure");
-
- png_set_keep_unknown_chunks(png_ptr, PNG_HANDLE_CHUNK_ALWAYS, NULL, 0);
-
- png_read_info(png_ptr, info_ptr);
-
- {
- png_size_t rowbytes = png_get_rowbytes(png_ptr, info_ptr);
-
- row = malloc(rowbytes);
- display = malloc(rowbytes);
-
- if (row == NULL || display == NULL)
- png_error(png_ptr, "OOM allocating row buffers");
-
- {
- png_uint_32 height = png_get_image_height(png_ptr, info_ptr);
- int passes = png_set_interlace_handling(png_ptr);
- int pass;
-
- png_start_read_image(png_ptr);
-
- for (pass = 0; pass < passes; ++pass)
- {
- png_uint_32 y = height;
-
- /* NOTE: this trashes the row each time; interlace handling won't
- * work, but this avoids memory thrashing for speed testing.
- */
- while (y-- > 0)
- png_read_row(png_ptr, row, display);
- }
- }
- }
-
- /* Make sure to read to the end of the file: */
- png_read_end(png_ptr, info_ptr);
- png_destroy_read_struct(&png_ptr, &info_ptr, NULL);
- free(row);
- free(display);
- return 1;
-}
-
-int
-main(void)
-{
- /* Exit code 0 on success. */
- return !read_png(stdin);
-}