Update libpng to 1.6.22

third_party/libpng/pnglibconf.h

+/* libpng 1.6.22 CUSTOM API DEFINITION */
+
+/* pnglibconf.h - library build configuration */
+
+/* Libpng version 1.6.22 - May 29, 2016 */
+
+/* Copyright (c) 1998-2015 Glenn Randers-Pehrson */
+
+/* This code is released under the libpng license. */
+/* For conditions of distribution and use, see the disclaimer */
+/* and license in png.h */
+
+/* pnglibconf.h */
+/* Derived from: scripts/pnglibconf.dfa */
+#ifndef PNGLCONF_H
+#define PNGLCONF_H
+
+/* default options */
+/* These are PNG options that match the default in scripts/pnglibconf.dfa */
+#define PNG_16BIT_SUPPORTED
+#define PNG_ALIGNED_MEMORY_SUPPORTED
+/*#undef PNG_ARM_NEON_API_SUPPORTED*/
+/*#undef PNG_ARM_NEON_CHECK_SUPPORTED*/
+#define PNG_BENIGN_ERRORS_SUPPORTED
+#define PNG_BENIGN_READ_ERRORS_SUPPORTED
+/*#undef PNG_BENIGN_WRITE_ERRORS_SUPPORTED*/
+#define PNG_COLORSPACE_SUPPORTED
+#define PNG_EASY_ACCESS_SUPPORTED
+/*#undef PNG_ERROR_NUMBERS_SUPPORTED*/
+#define PNG_ERROR_TEXT_SUPPORTED
+#define PNG_FIXED_POINT_SUPPORTED
+#define PNG_FLOATING_ARITHMETIC_SUPPORTED
+#define PNG_FLOATING_POINT_SUPPORTED
+#define PNG_FORMAT_AFIRST_SUPPORTED
+#define PNG_FORMAT_BGR_SUPPORTED
+#define PNG_GAMMA_SUPPORTED
+#define PNG_HANDLE_AS_UNKNOWN_SUPPORTED
+#define PNG_INFO_IMAGE_SUPPORTED
+#define PNG_POINTER_INDEXING_SUPPORTED
+#define PNG_PROGRESSIVE_READ_SUPPORTED
+#define PNG_READ_16BIT_SUPPORTED
+#define PNG_READ_ALPHA_MODE_SUPPORTED
+#define PNG_READ_ANCILLARY_CHUNKS_SUPPORTED
+#define PNG_READ_BACKGROUND_SUPPORTED
+#define PNG_READ_BGR_SUPPORTED
+#define PNG_READ_COMPOSITE_NODIV_SUPPORTED
+#define PNG_READ_COMPRESSED_TEXT_SUPPORTED
+#define PNG_READ_EXPAND_16_SUPPORTED
+#define PNG_READ_EXPAND_SUPPORTED
+#define PNG_READ_FILLER_SUPPORTED
+#define PNG_READ_GAMMA_SUPPORTED
+#define PNG_READ_GRAY_TO_RGB_SUPPORTED
+#define PNG_READ_INTERLACING_SUPPORTED
+#define PNG_READ_INT_FUNCTIONS_SUPPORTED
+#define PNG_READ_PACKSWAP_SUPPORTED
+#define PNG_READ_PACK_SUPPORTED
+#define PNG_READ_RGB_TO_GRAY_SUPPORTED
+#define PNG_READ_SCALE_16_TO_8_SUPPORTED
+#define PNG_READ_SHIFT_SUPPORTED
+#define PNG_READ_STRIP_16_TO_8_SUPPORTED
+#define PNG_READ_STRIP_ALPHA_SUPPORTED
+#define PNG_READ_SUPPORTED
+#define PNG_READ_SWAP_ALPHA_SUPPORTED
+#define PNG_READ_SWAP_SUPPORTED
+#define PNG_READ_TEXT_SUPPORTED
+#define PNG_READ_TRANSFORMS_SUPPORTED
+#define PNG_READ_UNKNOWN_CHUNKS_SUPPORTED
+#define PNG_READ_USER_CHUNKS_SUPPORTED
+#define PNG_READ_USER_TRANSFORM_SUPPORTED
+#define PNG_READ_cHRM_SUPPORTED
+#define PNG_READ_gAMA_SUPPORTED
+#define PNG_READ_iCCP_SUPPORTED
+#define PNG_READ_sRGB_SUPPORTED
+#define PNG_READ_tEXt_SUPPORTED
+#define PNG_READ_tRNS_SUPPORTED
+#define PNG_READ_zTXt_SUPPORTED
+#define PNG_SAVE_INT_32_SUPPORTED
+#define PNG_SAVE_UNKNOWN_CHUNKS_SUPPORTED
+#define PNG_SEQUENTIAL_READ_SUPPORTED
+#define PNG_SETJMP_SUPPORTED
+#define PNG_SET_UNKNOWN_CHUNKS_SUPPORTED
+#define PNG_SET_USER_LIMITS_SUPPORTED
+#define PNG_SIMPLIFIED_READ_AFIRST_SUPPORTED
+#define PNG_SIMPLIFIED_READ_BGR_SUPPORTED
+#define PNG_SIMPLIFIED_READ_SUPPORTED
+#define PNG_SIMPLIFIED_WRITE_AFIRST_SUPPORTED
+#define PNG_SIMPLIFIED_WRITE_BGR_SUPPORTED
+#define PNG_SIMPLIFIED_WRITE_STDIO_SUPPORTED
+#define PNG_SIMPLIFIED_WRITE_SUPPORTED
+#define PNG_STDIO_SUPPORTED
+#define PNG_STORE_UNKNOWN_CHUNKS_SUPPORTED
+#define PNG_TEXT_SUPPORTED
+#define PNG_UNKNOWN_CHUNKS_SUPPORTED
+#define PNG_USER_CHUNKS_SUPPORTED
+#define PNG_USER_LIMITS_SUPPORTED
+#define PNG_USER_MEM_SUPPORTED
+#define PNG_USER_TRANSFORM_INFO_SUPPORTED
+#define PNG_USER_TRANSFORM_PTR_SUPPORTED
+#define PNG_WARNINGS_SUPPORTED
+#define PNG_WRITE_16BIT_SUPPORTED
+#define PNG_WRITE_ANCILLARY_CHUNKS_SUPPORTED
+#define PNG_WRITE_BGR_SUPPORTED
+#define PNG_WRITE_COMPRESSED_TEXT_SUPPORTED
+#define PNG_WRITE_CUSTOMIZE_COMPRESSION_SUPPORTED
+#define PNG_WRITE_CUSTOMIZE_ZTXT_COMPRESSION_SUPPORTED
+#define PNG_WRITE_FILLER_SUPPORTED
+#define PNG_WRITE_FILTER_SUPPORTED
+#define PNG_WRITE_FLUSH_SUPPORTED
+#define PNG_WRITE_INTERLACING_SUPPORTED
+#define PNG_WRITE_INT_FUNCTIONS_SUPPORTED
+#define PNG_WRITE_PACKSWAP_SUPPORTED
+#define PNG_WRITE_PACK_SUPPORTED
+#define PNG_WRITE_SHIFT_SUPPORTED
+#define PNG_WRITE_SUPPORTED
+#define PNG_WRITE_SWAP_ALPHA_SUPPORTED
+#define PNG_WRITE_SWAP_SUPPORTED
+#define PNG_WRITE_TEXT_SUPPORTED
+#define PNG_WRITE_TRANSFORMS_SUPPORTED
+#define PNG_WRITE_UNKNOWN_CHUNKS_SUPPORTED
+#define PNG_WRITE_USER_TRANSFORM_SUPPORTED
+#define PNG_WRITE_WEIGHTED_FILTER_SUPPORTED
+#define PNG_WRITE_cHRM_SUPPORTED
+#define PNG_WRITE_gAMA_SUPPORTED
+#define PNG_WRITE_iCCP_SUPPORTED
+#define PNG_WRITE_sRGB_SUPPORTED
+#define PNG_WRITE_tEXt_SUPPORTED
+#define PNG_WRITE_tRNS_SUPPORTED
+#define PNG_WRITE_zTXt_SUPPORTED
+#define PNG_cHRM_SUPPORTED
+#define PNG_gAMA_SUPPORTED
+#define PNG_iCCP_SUPPORTED
+#define PNG_sBIT_SUPPORTED
+#define PNG_sRGB_SUPPORTED
+#define PNG_tEXt_SUPPORTED
+#define PNG_tRNS_SUPPORTED
+#define PNG_zTXt_SUPPORTED
+/* end of options */
+
+/* chromium options */
+/* These are PNG options that chromium chooses to explicitly disable */
+/*#undef PNG_BUILD_GRAYSCALE_PALETTE_SUPPORTED*/
+/*#undef PNG_CHECK_FOR_INVALID_INDEX_SUPPORTED*/
+/*#undef PNG_CONSOLE_IO_SUPPORTED*/
+/*#undef PNG_CONVERT_tIME_SUPPORTED*/
+/*#undef PNG_GET_PALETTE_MAX_SUPPORTED*/
+/*#undef PNG_INCH_CONVERSIONS_SUPPORTED*/
+/*#undef PNG_IO_STATE_SUPPORTED*/
+/*#undef PNG_MNG_FEATURES_SUPPORTED*/
+/*#undef PNG_READ_CHECK_FOR_INVALID_INDEX_SUPPORTED*/
+/*#undef PNG_READ_GET_PALETTE_MAX_SUPPORTED*/
+/*#undef PNG_READ_INVERT_ALPHA_SUPPORTED*/
+/*#undef PNG_READ_INVERT_SUPPORTED*/
+/*#undef PNG_READ_OPT_PLTE_SUPPORTED*/
+/*#undef PNG_READ_QUANTIZE_SUPPORTED*/
+/*#undef PNG_READ_bKGD_SUPPORTED*/
+/*#undef PNG_READ_hIST_SUPPORTED*/
+/*#undef PNG_READ_iTXt_SUPPORTED*/
+/*#undef PNG_READ_oFFs_SUPPORTED*/
+/*#undef PNG_READ_pCAL_SUPPORTED*/
+/*#undef PNG_READ_pHYs_SUPPORTED*/
+/*#undef PNG_READ_sBIT_SUPPORTED*/
+/*#undef PNG_READ_sCAL_SUPPORTED*/
+/*#undef PNG_READ_sPLT_SUPPORTED*/
+/*#undef PNG_READ_tIME_SUPPORTED*/
+/*#undef PNG_SET_OPTION_SUPPORTED*/
+/*#undef PNG_TIME_RFC1123_SUPPORTED*/
+/*#undef PNG_WRITE_CHECK_FOR_INVALID_INDEX_SUPPORTED*/
+/*#undef PNG_WRITE_GET_PALETTE_MAX_SUPPORTED*/
+/*#undef PNG_WRITE_INVERT_ALPHA_SUPPORTED*/
+/*#undef PNG_WRITE_INVERT_SUPPORTED*/
+/*#undef PNG_WRITE_OPTIMIZE_CMF_SUPPORTED*/
+/*#undef PNG_WRITE_bKGD_SUPPORTED*/
+/*#undef PNG_WRITE_hIST_SUPPORTED*/
+/*#undef PNG_WRITE_iTXt_SUPPORTED*/
+/*#undef PNG_WRITE_oFFs_SUPPORTED*/
+/*#undef PNG_WRITE_pCAL_SUPPORTED*/
+/*#undef PNG_WRITE_pHYs_SUPPORTED*/
+/*#undef PNG_WRITE_sBIT_SUPPORTED*/
+/*#undef PNG_WRITE_sCAL_SUPPORTED*/
+/*#undef PNG_WRITE_sPLT_SUPPORTED*/
+/*#undef PNG_WRITE_tIME_SUPPORTED*/
+/*#undef PNG_bKGD_SUPPORTED*/
+/*#undef PNG_hIST_SUPPORTED*/
+/*#undef PNG_iTXt_SUPPORTED*/
+/*#undef PNG_oFFs_SUPPORTED*/
+/*#undef PNG_pCAL_SUPPORTED*/
+/*#undef PNG_pHYs_SUPPORTED*/
+/*#undef PNG_sCAL_SUPPORTED*/
+/*#undef PNG_sPLT_SUPPORTED*/
+/*#undef PNG_tIME_SUPPORTED*/
+/* end of chromium options */
+
+/* default settings */
+/* These are PNG settings that match the default in scripts/pnglibconf.dfa */
+#define PNG_API_RULE 0
+#define PNG_DEFAULT_READ_MACROS 1
+#define PNG_GAMMA_THRESHOLD_FIXED 5000
+#define PNG_IDAT_READ_SIZE PNG_ZBUF_SIZE
+#define PNG_INFLATE_BUF_SIZE 1024
+#define PNG_LINKAGE_API extern
+#define PNG_LINKAGE_CALLBACK extern
+#define PNG_LINKAGE_DATA extern
+#define PNG_LINKAGE_FUNCTION extern
+#define PNG_MAX_GAMMA_8 11
+#define PNG_QUANTIZE_BLUE_BITS 5
+#define PNG_QUANTIZE_GREEN_BITS 5
+#define PNG_QUANTIZE_RED_BITS 5
+#define PNG_TEXT_Z_DEFAULT_COMPRESSION (-1)
+#define PNG_TEXT_Z_DEFAULT_STRATEGY 0
+#define PNG_USER_HEIGHT_MAX 1000000
+#define PNG_USER_WIDTH_MAX 1000000
+#define PNG_ZBUF_SIZE 8192
+#define PNG_ZLIB_VERNUM 0 /* unknown */
+#define PNG_Z_DEFAULT_COMPRESSION (-1)
+#define PNG_Z_DEFAULT_NOFILTER_STRATEGY 0
+#define PNG_Z_DEFAULT_STRATEGY 1
+#define PNG_sCAL_PRECISION 5
+#define PNG_sRGB_PROFILE_CHECKS 2
+/* end of default settings */
+
+/* chromium settings */
+/* These are PNG setting that chromium has modified */
+/* crbug.com/117369 */
+#define PNG_USER_CHUNK_CACHE_MAX 128
+#define PNG_USER_CHUNK_MALLOC_MAX 4000000L
+/* end of chromium settings */
+
+/* chromium prefixing */
+/*
+ * This is necessary to build multiple copies of libpng.  We need this while pdfium builds
+ * its own copy of libpng.
+ */
+#define PNG_PREFIX
+#include "pngprefix.h"
+/* end of chromium prefixing */
+
+#endif /* PNGLCONF_H */