Update bundled libpng to version 1.6.50 dated 2025-07-01

1 files changed, 10 insertions, 41 deletions

diff --git a/png/pngprefix.h b/png/pngprefix.h
index 9fcc0ad12..26d8715c2 100644
--- a/png/pngprefix.h
+++ b/png/pngprefix.h
@@ -4,6 +4,7 @@
 #define png_zstream_error fltk_png_zstream_error
 #define png_free_buffer_list fltk_png_free_buffer_list
 #define png_fixed fltk_png_fixed
+#define png_fixed_ITU fltk_png_fixed_ITU
 #define png_user_version_check fltk_png_user_version_check
 #define png_malloc_base fltk_png_malloc_base
 #define png_malloc_array fltk_png_malloc_array
@@ -24,7 +25,6 @@
 #define png_read_data fltk_png_read_data
 #define png_crc_read fltk_png_crc_read
 #define png_crc_finish fltk_png_crc_finish
-#define png_crc_error fltk_png_crc_error
 #define png_calculate_crc fltk_png_calculate_crc
 #define png_flush fltk_png_flush
 #define png_write_IHDR fltk_png_write_IHDR
@@ -34,6 +34,9 @@
 #define png_write_gAMA_fixed fltk_png_write_gAMA_fixed
 #define png_write_sBIT fltk_png_write_sBIT
 #define png_write_cHRM_fixed fltk_png_write_cHRM_fixed
+#define png_write_cICP fltk_png_write_cICP
+#define png_write_cLLI_fixed fltk_png_write_cLLI_fixed
+#define png_write_mDCV_fixed fltk_png_write_mDCV_fixed
 #define png_write_sRGB fltk_png_write_sRGB
 #define png_write_eXIf fltk_png_write_eXIf
 #define png_write_iCCP fltk_png_write_iCCP
@@ -75,30 +78,8 @@
 #define png_do_packswap fltk_png_do_packswap
 #define png_do_invert fltk_png_do_invert
 #define png_do_bgr fltk_png_do_bgr
-#define png_handle_IHDR fltk_png_handle_IHDR
-#define png_handle_PLTE fltk_png_handle_PLTE
-#define png_handle_IEND fltk_png_handle_IEND
-#define png_handle_bKGD fltk_png_handle_bKGD
-#define png_handle_cHRM fltk_png_handle_cHRM
-#define png_handle_eXIf fltk_png_handle_eXIf
-#define png_handle_gAMA fltk_png_handle_gAMA
-#define png_handle_hIST fltk_png_handle_hIST
-#define png_handle_iCCP fltk_png_handle_iCCP
-#define png_handle_iTXt fltk_png_handle_iTXt
-#define png_handle_oFFs fltk_png_handle_oFFs
-#define png_handle_pCAL fltk_png_handle_pCAL
-#define png_handle_pHYs fltk_png_handle_pHYs
-#define png_handle_sBIT fltk_png_handle_sBIT
-#define png_handle_sCAL fltk_png_handle_sCAL
-#define png_handle_sPLT fltk_png_handle_sPLT
-#define png_handle_sRGB fltk_png_handle_sRGB
-#define png_handle_tEXt fltk_png_handle_tEXt
-#define png_handle_tIME fltk_png_handle_tIME
-#define png_handle_tRNS fltk_png_handle_tRNS
-#define png_handle_zTXt fltk_png_handle_zTXt
-#define png_check_chunk_name fltk_png_check_chunk_name
-#define png_check_chunk_length fltk_png_check_chunk_length
 #define png_handle_unknown fltk_png_handle_unknown
+#define png_handle_chunk fltk_png_handle_chunk
 #define png_chunk_unknown_handling fltk_png_chunk_unknown_handling
 #define png_do_read_transformations fltk_png_do_read_transformations
 #define png_do_write_transformations fltk_png_do_write_transformations
@@ -111,31 +92,16 @@
 #define png_push_read_IDAT fltk_png_push_read_IDAT
 #define png_process_IDAT_data fltk_png_process_IDAT_data
 #define png_push_process_row fltk_png_push_process_row
-#define png_push_handle_unknown fltk_png_push_handle_unknown
 #define png_push_have_info fltk_png_push_have_info
 #define png_push_have_end fltk_png_push_have_end
 #define png_push_have_row fltk_png_push_have_row
 #define png_push_read_end fltk_png_push_read_end
 #define png_process_some_data fltk_png_process_some_data
 #define png_read_push_finish_row fltk_png_read_push_finish_row
-#define png_push_handle_tEXt fltk_png_push_handle_tEXt
-#define png_push_read_tEXt fltk_png_push_read_tEXt
-#define png_push_handle_zTXt fltk_png_push_handle_zTXt
-#define png_push_read_zTXt fltk_png_push_read_zTXt
-#define png_push_handle_iTXt fltk_png_push_handle_iTXt
-#define png_push_read_iTXt fltk_png_push_read_iTXt
-#define png_colorspace_set_gamma fltk_png_colorspace_set_gamma
-#define png_colorspace_sync_info fltk_png_colorspace_sync_info
-#define png_colorspace_sync fltk_png_colorspace_sync
-#define png_colorspace_set_chromaticities fltk_png_colorspace_set_chromaticities
-#define png_colorspace_set_endpoints fltk_png_colorspace_set_endpoints
-#define png_colorspace_set_sRGB fltk_png_colorspace_set_sRGB
-#define png_colorspace_set_ICC fltk_png_colorspace_set_ICC
 #define png_icc_check_length fltk_png_icc_check_length
 #define png_icc_check_header fltk_png_icc_check_header
 #define png_icc_check_tag_table fltk_png_icc_check_tag_table
-#define png_icc_set_sRGB fltk_png_icc_set_sRGB
-#define png_colorspace_set_rgb_coefficients fltk_png_colorspace_set_rgb_coefficients
+#define png_set_rgb_coefficients fltk_png_set_rgb_coefficients
 #define png_check_IHDR fltk_png_check_IHDR
 #define png_do_check_palette_indexes fltk_png_do_check_palette_indexes
 #define png_fixed_error fltk_png_fixed_error
@@ -153,15 +119,18 @@
 #define png_check_fp_number fltk_png_check_fp_number
 #define png_check_fp_string fltk_png_check_fp_string
 #define png_muldiv fltk_png_muldiv
-#define png_muldiv_warn fltk_png_muldiv_warn
 #define png_reciprocal fltk_png_reciprocal
 #define png_reciprocal2 fltk_png_reciprocal2
 #define png_gamma_significant fltk_png_gamma_significant
+#define png_resolve_file_gamma fltk_png_resolve_file_gamma
 #define png_gamma_correct fltk_png_gamma_correct
 #define png_gamma_16bit_correct fltk_png_gamma_16bit_correct
 #define png_gamma_8bit_correct fltk_png_gamma_8bit_correct
 #define png_destroy_gamma_table fltk_png_destroy_gamma_table
 #define png_build_gamma_table fltk_png_build_gamma_table
+#define png_set_rgb_coefficients fltk_png_set_rgb_coefficients
+#define png_XYZ_from_xy fltk_png_XYZ_from_xy
+#define png_xy_from_XYZ fltk_png_xy_from_XYZ
 #define png_safe_error fltk_png_safe_error
 #define png_safe_warning fltk_png_safe_warning
 #define png_safe_execute fltk_png_safe_execute