diff -ru4NwbB libpng-1.4.3/Makefile.am libpng-1.4.4beta04/Makefile.am --- libpng-1.4.3/Makefile.am 2010-06-25 19:32:32.228797313 -0500 +++ libpng-1.4.4beta04/Makefile.am 2010-07-31 16:35:09.892584592 -0500 @@ -61,9 +61,8 @@ #extra source distribution files. EXTRA_DIST= \ ANNOUNCE CHANGES INSTALL LICENSE README TODO \ pngtest.png pngbar.png pngnow.png pngbar.jpg autogen.sh \ - ${srcdir}/projects/cbuilder5/* \ ${srcdir}/projects/visualc6/* \ ${srcdir}/projects/visualc71/* \ ${srcdir}/projects/xcode/* \ ${srcdir}/scripts/* \ diff -ru4NwbB libpng-1.4.3/configure.ac libpng-1.4.4beta04/configure.ac --- libpng-1.4.3/configure.ac 2010-06-25 19:32:32.235225398 -0500 +++ libpng-1.4.4beta04/configure.ac 2010-07-31 16:35:09.899380957 -0500 @@ -24,9 +24,9 @@ AM_MAINTAINER_MODE PNGLIB_VERSION=1.4.4beta04 PNGLIB_MAJOR=1 -PNGLIB_MINOR=4 +PNGLIB_MINOR=%RELEASE% PNGLIB_RELEASE=%RELEASE% dnl End of version number stuff diff -ru4NwbB libpng-1.4.3/contrib/pngminim/decoder/pngusr.h libpng-1.4.4beta04/contrib/pngminim/decoder/pngusr.h --- libpng-1.4.3/contrib/pngminim/decoder/pngusr.h 2010-06-25 19:32:26.824867573 -0500 +++ libpng-1.4.4beta04/contrib/pngminim/decoder/pngusr.h 2010-07-31 16:35:04.413088305 -0500 @@ -11,12 +11,8 @@ #ifndef MINRDPNGCONF_H #define MINRDPNGCONF_H -#ifdef NJET - /* No 16-bit support beyond reading with strip_16 */ -#endif - #define PNG_NO_WARNINGS #define png_warning(s1,s2) "" #define png_chunk_warning(s1,s2) "" #define PNG_NO_ERROR_TEXT diff -ru4NwbB libpng-1.4.3/new_push_process_row.c libpng-1.4.4beta04/new_push_process_row.c --- libpng-1.4.3/new_push_process_row.c 2010-06-25 19:32:26.017067726 -0500 +++ libpng-1.4.4beta04/new_push_process_row.c 1969-12-31 18:00:00.000000000 -0600 @@ -1,204 +0,0 @@ -void /* PRIVATE */ -png_push_process_row(png_structp png_ptr) -{ - png_ptr->row_info.color_type = png_ptr->color_type; - png_ptr->row_info.width = png_ptr->iwidth; - png_ptr->row_info.channels = png_ptr->channels; - png_ptr->row_info.bit_depth = png_ptr->bit_depth; - png_ptr->row_info.pixel_depth = png_ptr->pixel_depth; - - png_ptr->row_info.rowbytes = PNG_ROWBYTES(png_ptr->row_info.pixel_depth, - png_ptr->row_info.width); - - png_read_filter_row(png_ptr, &(png_ptr->row_info), - png_ptr->row_buf + 1, png_ptr->prev_row + 1, - (int)(png_ptr->row_buf[0])); - - png_memcpy(png_ptr->prev_row, png_ptr->row_buf, png_ptr->rowbytes + 1); - - if (png_ptr->transformations || (png_ptr->flags&PNG_FLAG_STRIP_ALPHA)) - png_do_read_transformations(png_ptr); - -#ifdef PNG_READ_INTERLACING_SUPPORTED - /* Blow up interlaced rows to full size */ - if (png_ptr->interlaced && (png_ptr->transformations & PNG_INTERLACE)) - { - if (png_ptr->pass < 6) -/* old interface (pre-1.0.9): - png_do_read_interlace(&(png_ptr->row_info), - png_ptr->row_buf + 1, png_ptr->pass, png_ptr->transformations); - */ - png_do_read_interlace(png_ptr); - - switch (png_ptr->pass) - { - case 0: - { - int i; - for (i = 0; i < 8 && png_ptr->pass == 0; i++) - { - png_push_have_row(png_ptr, png_ptr->row_buf + 1); - png_read_push_finish_row(png_ptr); /* Updates png_ptr->pass */ - } - - if (png_ptr->pass == 2) /* Pass 1 might be empty */ - { - for (i = 0; i < 4 && png_ptr->pass == 2; i++) - { - png_push_have_row(png_ptr, NULL); - png_read_push_finish_row(png_ptr); - } - } - - if (png_ptr->pass == 4 && png_ptr->height <= 4) - { - for (i = 0; i < 2 && png_ptr->pass == 4; i++) - { - png_push_have_row(png_ptr, NULL); - png_read_push_finish_row(png_ptr); - } - } - - if (png_ptr->pass == 6 && png_ptr->height <= 4) - { - png_push_have_row(png_ptr, NULL); - png_read_push_finish_row(png_ptr); - } - - break; - } - - case 1: - { - int i; - for (i = 0; i < 8 && png_ptr->pass == 1; i++) - { - png_push_have_row(png_ptr, png_ptr->row_buf + 1); - png_read_push_finish_row(png_ptr); - } - - if (png_ptr->pass == 2) /* Skip top 4 generated rows */ - { - for (i = 0; i < 4 && png_ptr->pass == 2; i++) - { - png_push_have_row(png_ptr, NULL); - png_read_push_finish_row(png_ptr); - } - } - - break; - } - - case 2: - { - int i; - - for (i = 0; i < 4 && png_ptr->pass == 2; i++) - { - png_push_have_row(png_ptr, png_ptr->row_buf + 1); - png_read_push_finish_row(png_ptr); - } - - for (i = 0; i < 4 && png_ptr->pass == 2; i++) - { - png_push_have_row(png_ptr, NULL); - png_read_push_finish_row(png_ptr); - } - - if (png_ptr->pass == 4) /* Pass 3 might be empty */ - { - for (i = 0; i < 2 && png_ptr->pass == 4; i++) - { - png_push_have_row(png_ptr, NULL); - png_read_push_finish_row(png_ptr); - } - } - - break; - } - - case 3: - { - int i; - - for (i = 0; i < 4 && png_ptr->pass == 3; i++) - { - png_push_have_row(png_ptr, png_ptr->row_buf + 1); - png_read_push_finish_row(png_ptr); - } - - if (png_ptr->pass == 4) /* Skip top two generated rows */ - { - for (i = 0; i < 2 && png_ptr->pass == 4; i++) - { - png_push_have_row(png_ptr, NULL); - png_read_push_finish_row(png_ptr); - } - } - - break; - } - - case 4: - { - int i; - - for (i = 0; i < 2 && png_ptr->pass == 4; i++) - { - png_push_have_row(png_ptr, png_ptr->row_buf + 1); - png_read_push_finish_row(png_ptr); - } - - for (i = 0; i < 2 && png_ptr->pass == 4; i++) - { - png_push_have_row(png_ptr, NULL); - png_read_push_finish_row(png_ptr); - } - - if (png_ptr->pass == 6) /* Pass 5 might be empty */ - { - png_push_have_row(png_ptr, NULL); - png_read_push_finish_row(png_ptr); - } - - break; - } - - case 5: - { - int i; - - for (i = 0; i < 2 && png_ptr->pass == 5; i++) - { - png_push_have_row(png_ptr, png_ptr->row_buf + 1); - png_read_push_finish_row(png_ptr); - } - - if (png_ptr->pass == 6) /* Skip top generated row */ - { - png_push_have_row(png_ptr, NULL); - png_read_push_finish_row(png_ptr); - } - - break; - } - case 6: - { - png_push_have_row(png_ptr, png_ptr->row_buf + 1); - png_read_push_finish_row(png_ptr); - - if (png_ptr->pass != 6) - break; - - png_push_have_row(png_ptr, NULL); - png_read_push_finish_row(png_ptr); - } - } - } - else -#endif - { - png_push_have_row(png_ptr, png_ptr->row_buf + 1); - png_read_push_finish_row(png_ptr); - } -} diff -ru4NwbB libpng-1.4.3/png.h libpng-1.4.4beta04/png.h --- libpng-1.4.3/png.h 2010-06-25 19:32:25.987938871 -0500 +++ libpng-1.4.4beta04/png.h 2010-07-31 16:35:03.532700928 -0500 @@ -144,8 +144,9 @@ * 1.4.2 14 10402 14.so.14.2[.0] * 1.4.3beta01-05 14 10403 14.so.14.3[.0] * 1.4.3rc01-03 14 10403 14.so.14.3[.0] * 1.4.3 14 10403 14.so.14.3[.0] + * 1.4.4beta01-04 14 10404 14.so.14.4[.0] * * Henceforth the source version will match the shared-library major * and minor numbers; the shared-library major version number will be * used for changes in backward compatibility, as it is intended. The @@ -1484,43 +1485,43 @@ * a simple one line description of the use of each function. */ /* Returns the version number of the library */ -extern PNG_EXPORT(png_uint_32,png_access_version_number) PNGARG((void)); +PNG_EXPORT(png_uint_32,png_access_version_number) PNGARG((void)); /* Tell lib we have already handled the first magic bytes. * Handling more than 8 bytes from the beginning of the file is an error. */ -extern PNG_EXPORT(void,png_set_sig_bytes) PNGARG((png_structp png_ptr, +PNG_EXPORT(void,png_set_sig_bytes) PNGARG((png_structp png_ptr, int num_bytes)); /* Check sig[start] through sig[start + num_to_check - 1] to see if it's a * PNG file. Returns zero if the supplied bytes match the 8-byte PNG * signature, and non-zero otherwise. Having num_to_check == 0 or * start > 7 will always fail (ie return non-zero). */ -extern PNG_EXPORT(int,png_sig_cmp) PNGARG((png_bytep sig, png_size_t start, +PNG_EXPORT(int,png_sig_cmp) PNGARG((png_bytep sig, png_size_t start, png_size_t num_to_check)); /* Simple signature checking function. This is the same as calling * png_check_sig(sig, n) := !png_sig_cmp(sig, 0, n). */ #define png_check_sig(sig,n) !png_sig_cmp((sig), 0, (n)) /* Allocate and initialize png_ptr struct for reading, and any other memory. */ -extern PNG_EXPORT(png_structp,png_create_read_struct) +PNG_EXPORT(png_structp,png_create_read_struct) PNGARG((png_const_charp user_png_ver, png_voidp error_ptr, png_error_ptr error_fn, png_error_ptr warn_fn)) PNG_ALLOCATED; /* Allocate and initialize png_ptr struct for writing, and any other memory */ -extern PNG_EXPORT(png_structp,png_create_write_struct) +PNG_EXPORT(png_structp,png_create_write_struct) PNGARG((png_const_charp user_png_ver, png_voidp error_ptr, png_error_ptr error_fn, png_error_ptr warn_fn)) PNG_ALLOCATED; -extern PNG_EXPORT(png_size_t,png_get_compression_buffer_size) +PNG_EXPORT(png_size_t,png_get_compression_buffer_size) PNGARG((png_structp png_ptr)); -extern PNG_EXPORT(void,png_set_compression_buffer_size) +PNG_EXPORT(void,png_set_compression_buffer_size) PNGARG((png_structp png_ptr, png_size_t size)); /* Moved from pngconf.h in 1.4.0 and modified to ensure setjmp/longjmp * match up. @@ -1532,9 +1533,9 @@ * acceptable. The size of the jmp_buf is checked against the actual size * allocated by the library - the call will return NULL on a mismatch * indicating an ABI mismatch. */ -extern PNG_EXPORT(jmp_buf*, png_set_longjmp_fn) +PNG_EXPORT(jmp_buf*, png_set_longjmp_fn) PNGARG((png_structp png_ptr, png_longjmp_ptr longjmp_fn, size_t jmp_buf_size)); # define png_jmpbuf(png_ptr) \ (*png_set_longjmp_fn((png_ptr), longjmp, sizeof (jmp_buf))) @@ -1544,172 +1545,172 @@ #endif #ifdef PNG_READ_SUPPORTED /* Reset the compression stream */ -extern PNG_EXPORT(int,png_reset_zstream) PNGARG((png_structp png_ptr)); +PNG_EXPORT(int,png_reset_zstream) PNGARG((png_structp png_ptr)); #endif /* New functions added in libpng-1.0.2 (not enabled by default until 1.2.0) */ #ifdef PNG_USER_MEM_SUPPORTED -extern PNG_EXPORT(png_structp,png_create_read_struct_2) +PNG_EXPORT(png_structp,png_create_read_struct_2) PNGARG((png_const_charp user_png_ver, png_voidp error_ptr, png_error_ptr error_fn, png_error_ptr warn_fn, png_voidp mem_ptr, png_malloc_ptr malloc_fn, png_free_ptr free_fn)) PNG_ALLOCATED; -extern PNG_EXPORT(png_structp,png_create_write_struct_2) +PNG_EXPORT(png_structp,png_create_write_struct_2) PNGARG((png_const_charp user_png_ver, png_voidp error_ptr, png_error_ptr error_fn, png_error_ptr warn_fn, png_voidp mem_ptr, png_malloc_ptr malloc_fn, png_free_ptr free_fn)) PNG_ALLOCATED; #endif /* Write the PNG file signature. */ -extern PNG_EXPORT(void,png_write_sig) PNGARG((png_structp png_ptr)); +PNG_EXPORT(void,png_write_sig) PNGARG((png_structp png_ptr)); /* Write a PNG chunk - size, type, (optional) data, CRC. */ -extern PNG_EXPORT(void,png_write_chunk) PNGARG((png_structp png_ptr, +PNG_EXPORT(void,png_write_chunk) PNGARG((png_structp png_ptr, png_bytep chunk_name, png_bytep data, png_size_t length)); /* Write the start of a PNG chunk - length and chunk name. */ -extern PNG_EXPORT(void,png_write_chunk_start) PNGARG((png_structp png_ptr, +PNG_EXPORT(void,png_write_chunk_start) PNGARG((png_structp png_ptr, png_bytep chunk_name, png_uint_32 length)); /* Write the data of a PNG chunk started with png_write_chunk_start(). */ -extern PNG_EXPORT(void,png_write_chunk_data) PNGARG((png_structp png_ptr, +PNG_EXPORT(void,png_write_chunk_data) PNGARG((png_structp png_ptr, png_bytep data, png_size_t length)); /* Finish a chunk started with png_write_chunk_start() (includes CRC). */ -extern PNG_EXPORT(void,png_write_chunk_end) PNGARG((png_structp png_ptr)); +PNG_EXPORT(void,png_write_chunk_end) PNGARG((png_structp png_ptr)); /* Allocate and initialize the info structure */ -extern PNG_EXPORT(png_infop,png_create_info_struct) +PNG_EXPORT(png_infop,png_create_info_struct) PNGARG((png_structp png_ptr)) PNG_ALLOCATED; -extern PNG_EXPORT(void,png_info_init_3) PNGARG((png_infopp info_ptr, +PNG_EXPORT(void,png_info_init_3) PNGARG((png_infopp info_ptr, png_size_t png_info_struct_size)); /* Writes all the PNG information before the image. */ -extern PNG_EXPORT(void,png_write_info_before_PLTE) PNGARG((png_structp png_ptr, +PNG_EXPORT(void,png_write_info_before_PLTE) PNGARG((png_structp png_ptr, png_infop info_ptr)); -extern PNG_EXPORT(void,png_write_info) PNGARG((png_structp png_ptr, +PNG_EXPORT(void,png_write_info) PNGARG((png_structp png_ptr, png_infop info_ptr)); #ifdef PNG_SEQUENTIAL_READ_SUPPORTED /* Read the information before the actual image data. */ -extern PNG_EXPORT(void,png_read_info) PNGARG((png_structp png_ptr, +PNG_EXPORT(void,png_read_info) PNGARG((png_structp png_ptr, png_infop info_ptr)); #endif #ifdef PNG_TIME_RFC1123_SUPPORTED -extern PNG_EXPORT(png_charp,png_convert_to_rfc1123) +PNG_EXPORT(png_charp,png_convert_to_rfc1123) PNGARG((png_structp png_ptr, png_timep ptime)); #endif #ifdef PNG_CONVERT_tIME_SUPPORTED /* Convert from a struct tm to png_time */ -extern PNG_EXPORT(void,png_convert_from_struct_tm) PNGARG((png_timep ptime, +PNG_EXPORT(void,png_convert_from_struct_tm) PNGARG((png_timep ptime, struct tm FAR * ttime)); /* Convert from time_t to png_time. Uses gmtime() */ -extern PNG_EXPORT(void,png_convert_from_time_t) PNGARG((png_timep ptime, +PNG_EXPORT(void,png_convert_from_time_t) PNGARG((png_timep ptime, time_t ttime)); #endif /* PNG_CONVERT_tIME_SUPPORTED */ #ifdef PNG_READ_EXPAND_SUPPORTED /* Expand data to 24-bit RGB, or 8-bit grayscale, with alpha if available. */ -extern PNG_EXPORT(void,png_set_expand) PNGARG((png_structp png_ptr)); -extern PNG_EXPORT(void,png_set_expand_gray_1_2_4_to_8) PNGARG((png_structp +PNG_EXPORT(void,png_set_expand) PNGARG((png_structp png_ptr)); +PNG_EXPORT(void,png_set_expand_gray_1_2_4_to_8) PNGARG((png_structp png_ptr)); -extern PNG_EXPORT(void,png_set_palette_to_rgb) PNGARG((png_structp png_ptr)); -extern PNG_EXPORT(void,png_set_tRNS_to_alpha) PNGARG((png_structp png_ptr)); +PNG_EXPORT(void,png_set_palette_to_rgb) PNGARG((png_structp png_ptr)); +PNG_EXPORT(void,png_set_tRNS_to_alpha) PNGARG((png_structp png_ptr)); #endif #if defined(PNG_READ_BGR_SUPPORTED) || defined(PNG_WRITE_BGR_SUPPORTED) /* Use blue, green, red order for pixels. */ -extern PNG_EXPORT(void,png_set_bgr) PNGARG((png_structp png_ptr)); +PNG_EXPORT(void,png_set_bgr) PNGARG((png_structp png_ptr)); #endif #ifdef PNG_READ_GRAY_TO_RGB_SUPPORTED /* Expand the grayscale to 24-bit RGB if necessary. */ -extern PNG_EXPORT(void,png_set_gray_to_rgb) PNGARG((png_structp png_ptr)); +PNG_EXPORT(void,png_set_gray_to_rgb) PNGARG((png_structp png_ptr)); #endif #ifdef PNG_READ_RGB_TO_GRAY_SUPPORTED /* Reduce RGB to grayscale. */ #ifdef PNG_FLOATING_POINT_SUPPORTED -extern PNG_EXPORT(void,png_set_rgb_to_gray) PNGARG((png_structp png_ptr, +PNG_EXPORT(void,png_set_rgb_to_gray) PNGARG((png_structp png_ptr, int error_action, double red, double green )); #endif -extern PNG_EXPORT(void,png_set_rgb_to_gray_fixed) PNGARG((png_structp png_ptr, +PNG_EXPORT(void,png_set_rgb_to_gray_fixed) PNGARG((png_structp png_ptr, int error_action, png_fixed_point red, png_fixed_point green )); -extern PNG_EXPORT(png_byte,png_get_rgb_to_gray_status) PNGARG((png_structp +PNG_EXPORT(png_byte,png_get_rgb_to_gray_status) PNGARG((png_structp png_ptr)); #endif -extern PNG_EXPORT(void,png_build_grayscale_palette) PNGARG((int bit_depth, +PNG_EXPORT(void,png_build_grayscale_palette) PNGARG((int bit_depth, png_colorp palette)); #ifdef PNG_READ_STRIP_ALPHA_SUPPORTED -extern PNG_EXPORT(void,png_set_strip_alpha) PNGARG((png_structp png_ptr)); +PNG_EXPORT(void,png_set_strip_alpha) PNGARG((png_structp png_ptr)); #endif #if defined(PNG_READ_SWAP_ALPHA_SUPPORTED) || \ defined(PNG_WRITE_SWAP_ALPHA_SUPPORTED) -extern PNG_EXPORT(void,png_set_swap_alpha) PNGARG((png_structp png_ptr)); +PNG_EXPORT(void,png_set_swap_alpha) PNGARG((png_structp png_ptr)); #endif #if defined(PNG_READ_INVERT_ALPHA_SUPPORTED) || \ defined(PNG_WRITE_INVERT_ALPHA_SUPPORTED) -extern PNG_EXPORT(void,png_set_invert_alpha) PNGARG((png_structp png_ptr)); +PNG_EXPORT(void,png_set_invert_alpha) PNGARG((png_structp png_ptr)); #endif #if defined(PNG_READ_FILLER_SUPPORTED) || defined(PNG_WRITE_FILLER_SUPPORTED) /* Add a filler byte to 8-bit Gray or 24-bit RGB images. */ -extern PNG_EXPORT(void,png_set_filler) PNGARG((png_structp png_ptr, +PNG_EXPORT(void,png_set_filler) PNGARG((png_structp png_ptr, png_uint_32 filler, int flags)); /* The values of the PNG_FILLER_ defines should NOT be changed */ #define PNG_FILLER_BEFORE 0 #define PNG_FILLER_AFTER 1 /* Add an alpha byte to 8-bit Gray or 24-bit RGB images. */ -extern PNG_EXPORT(void,png_set_add_alpha) PNGARG((png_structp png_ptr, +PNG_EXPORT(void,png_set_add_alpha) PNGARG((png_structp png_ptr, png_uint_32 filler, int flags)); #endif /* PNG_READ_FILLER_SUPPORTED || PNG_WRITE_FILLER_SUPPORTED */ #if defined(PNG_READ_SWAP_SUPPORTED) || defined(PNG_WRITE_SWAP_SUPPORTED) /* Swap bytes in 16-bit depth files. */ -extern PNG_EXPORT(void,png_set_swap) PNGARG((png_structp png_ptr)); +PNG_EXPORT(void,png_set_swap) PNGARG((png_structp png_ptr)); #endif #if defined(PNG_READ_PACK_SUPPORTED) || defined(PNG_WRITE_PACK_SUPPORTED) /* Use 1 byte per pixel in 1, 2, or 4-bit depth files. */ -extern PNG_EXPORT(void,png_set_packing) PNGARG((png_structp png_ptr)); +PNG_EXPORT(void,png_set_packing) PNGARG((png_structp png_ptr)); #endif #if defined(PNG_READ_PACKSWAP_SUPPORTED) || \ defined(PNG_WRITE_PACKSWAP_SUPPORTED) /* Swap packing order of pixels in bytes. */ -extern PNG_EXPORT(void,png_set_packswap) PNGARG((png_structp png_ptr)); +PNG_EXPORT(void,png_set_packswap) PNGARG((png_structp png_ptr)); #endif #if defined(PNG_READ_SHIFT_SUPPORTED) || defined(PNG_WRITE_SHIFT_SUPPORTED) /* Converts files to legal bit depths. */ -extern PNG_EXPORT(void,png_set_shift) PNGARG((png_structp png_ptr, +PNG_EXPORT(void,png_set_shift) PNGARG((png_structp png_ptr, png_color_8p true_bits)); #endif #if defined(PNG_READ_INTERLACING_SUPPORTED) || \ defined(PNG_WRITE_INTERLACING_SUPPORTED) /* Have the code handle the interlacing. Returns the number of passes. */ -extern PNG_EXPORT(int,png_set_interlace_handling) PNGARG((png_structp png_ptr)); +PNG_EXPORT(int,png_set_interlace_handling) PNGARG((png_structp png_ptr)); #endif #if defined(PNG_READ_INVERT_SUPPORTED) || defined(PNG_WRITE_INVERT_SUPPORTED) /* Invert monochrome files */ -extern PNG_EXPORT(void,png_set_invert_mono) PNGARG((png_structp png_ptr)); +PNG_EXPORT(void,png_set_invert_mono) PNGARG((png_structp png_ptr)); #endif #ifdef PNG_READ_BACKGROUND_SUPPORTED /* Handle alpha and tRNS by replacing with a background color. */ #ifdef PNG_FLOATING_POINT_SUPPORTED -extern PNG_EXPORT(void,png_set_background) PNGARG((png_structp png_ptr, +PNG_EXPORT(void,png_set_background) PNGARG((png_structp png_ptr, png_color_16p background_color, int background_gamma_code, int need_expand, double background_gamma)); #endif #define PNG_BACKGROUND_GAMMA_UNKNOWN 0 @@ -1719,16 +1720,16 @@ #endif #ifdef PNG_READ_16_TO_8_SUPPORTED /* Strip the second byte of information from a 16-bit depth file. */ -extern PNG_EXPORT(void,png_set_strip_16) PNGARG((png_structp png_ptr)); +PNG_EXPORT(void,png_set_strip_16) PNGARG((png_structp png_ptr)); #endif #ifdef PNG_READ_QUANTIZE_SUPPORTED /* Turn on quantizing, and reduce the palette to the number of colors * available. Prior to libpng-1.4.2, this was png_set_dither(). */ -extern PNG_EXPORT(void,png_set_quantize) PNGARG((png_structp png_ptr, +PNG_EXPORT(void,png_set_quantize) PNGARG((png_structp png_ptr, png_colorp palette, int num_palette, int maximum_colors, png_uint_16p histogram, int full_quantize)); #endif /* This migration aid will be removed from libpng-1.5.0 */ @@ -1736,83 +1737,83 @@ #ifdef PNG_READ_GAMMA_SUPPORTED /* Handle gamma correction. Screen_gamma=(display_exponent) */ #ifdef PNG_FLOATING_POINT_SUPPORTED -extern PNG_EXPORT(void,png_set_gamma) PNGARG((png_structp png_ptr, +PNG_EXPORT(void,png_set_gamma) PNGARG((png_structp png_ptr, double screen_gamma, double default_file_gamma)); #endif #endif #ifdef PNG_WRITE_FLUSH_SUPPORTED /* Set how many lines between output flushes - 0 for no flushing */ -extern PNG_EXPORT(void,png_set_flush) PNGARG((png_structp png_ptr, int nrows)); +PNG_EXPORT(void,png_set_flush) PNGARG((png_structp png_ptr, int nrows)); /* Flush the current PNG output buffer */ -extern PNG_EXPORT(void,png_write_flush) PNGARG((png_structp png_ptr)); +PNG_EXPORT(void,png_write_flush) PNGARG((png_structp png_ptr)); #endif /* Optional update palette with requested transformations */ -extern PNG_EXPORT(void,png_start_read_image) PNGARG((png_structp png_ptr)); +PNG_EXPORT(void,png_start_read_image) PNGARG((png_structp png_ptr)); /* Optional call to update the users info structure */ -extern PNG_EXPORT(void,png_read_update_info) PNGARG((png_structp png_ptr, +PNG_EXPORT(void,png_read_update_info) PNGARG((png_structp png_ptr, png_infop info_ptr)); #ifdef PNG_SEQUENTIAL_READ_SUPPORTED /* Read one or more rows of image data. */ -extern PNG_EXPORT(void,png_read_rows) PNGARG((png_structp png_ptr, +PNG_EXPORT(void,png_read_rows) PNGARG((png_structp png_ptr, png_bytepp row, png_bytepp display_row, png_uint_32 num_rows)); #endif #ifdef PNG_SEQUENTIAL_READ_SUPPORTED /* Read a row of data. */ -extern PNG_EXPORT(void,png_read_row) PNGARG((png_structp png_ptr, +PNG_EXPORT(void,png_read_row) PNGARG((png_structp png_ptr, png_bytep row, png_bytep display_row)); #endif #ifdef PNG_SEQUENTIAL_READ_SUPPORTED /* Read the whole image into memory at once. */ -extern PNG_EXPORT(void,png_read_image) PNGARG((png_structp png_ptr, +PNG_EXPORT(void,png_read_image) PNGARG((png_structp png_ptr, png_bytepp image)); #endif /* Write a row of image data */ -extern PNG_EXPORT(void,png_write_row) PNGARG((png_structp png_ptr, +PNG_EXPORT(void,png_write_row) PNGARG((png_structp png_ptr, png_bytep row)); /* Write a few rows of image data */ -extern PNG_EXPORT(void,png_write_rows) PNGARG((png_structp png_ptr, +PNG_EXPORT(void,png_write_rows) PNGARG((png_structp png_ptr, png_bytepp row, png_uint_32 num_rows)); /* Write the image data */ -extern PNG_EXPORT(void,png_write_image) PNGARG((png_structp png_ptr, +PNG_EXPORT(void,png_write_image) PNGARG((png_structp png_ptr, png_bytepp image)); /* Write the end of the PNG file. */ -extern PNG_EXPORT(void,png_write_end) PNGARG((png_structp png_ptr, +PNG_EXPORT(void,png_write_end) PNGARG((png_structp png_ptr, png_infop info_ptr)); #ifdef PNG_SEQUENTIAL_READ_SUPPORTED /* Read the end of the PNG file. */ -extern PNG_EXPORT(void,png_read_end) PNGARG((png_structp png_ptr, +PNG_EXPORT(void,png_read_end) PNGARG((png_structp png_ptr, png_infop info_ptr)); #endif /* Free any memory associated with the png_info_struct */ -extern PNG_EXPORT(void,png_destroy_info_struct) PNGARG((png_structp png_ptr, +PNG_EXPORT(void,png_destroy_info_struct) PNGARG((png_structp png_ptr, png_infopp info_ptr_ptr)); /* Free any memory associated with the png_struct and the png_info_structs */ -extern PNG_EXPORT(void,png_destroy_read_struct) PNGARG((png_structpp +PNG_EXPORT(void,png_destroy_read_struct) PNGARG((png_structpp png_ptr_ptr, png_infopp info_ptr_ptr, png_infopp end_info_ptr_ptr)); /* Free any memory associated with the png_struct and the png_info_structs */ -extern PNG_EXPORT(void,png_destroy_write_struct) +PNG_EXPORT(void,png_destroy_write_struct) PNGARG((png_structpp png_ptr_ptr, png_infopp info_ptr_ptr)); /* Set the libpng method of handling chunk CRC errors */ -extern PNG_EXPORT(void,png_set_crc_action) PNGARG((png_structp png_ptr, +PNG_EXPORT(void,png_set_crc_action) PNGARG((png_structp png_ptr, int crit_action, int ancil_action)); /* Values for png_set_crc_action() to say how to handle CRC errors in * ancillary and critical chunks, and whether to use the data contained @@ -1840,9 +1841,9 @@ /* Set the filtering method(s) used by libpng. Currently, the only valid * value for "method" is 0. */ -extern PNG_EXPORT(void,png_set_filter) PNGARG((png_structp png_ptr, int method, +PNG_EXPORT(void,png_set_filter) PNGARG((png_structp png_ptr, int method, int filters)); /* Flags for png_set_filter() to say which filters to use. The flags * are chosen so that they don't conflict with real filter types @@ -1897,9 +1898,9 @@ * the weights and costs are set to 1.0, this degenerates the WEIGHTED method * to the UNWEIGHTED method, but with added encoding time/computation. */ #ifdef PNG_FLOATING_POINT_SUPPORTED -extern PNG_EXPORT(void,png_set_filter_heuristics) PNGARG((png_structp png_ptr, +PNG_EXPORT(void,png_set_filter_heuristics) PNGARG((png_structp png_ptr, int heuristic_method, int num_weights, png_doublep filter_weights, png_doublep filter_costs)); #endif #endif /* PNG_WRITE_WEIGHTED_FILTER_SUPPORTED */ @@ -1918,21 +1919,21 @@ * shown that zlib compression levels 3-6 usually perform as well as level 9 * for PNG images, and do considerably fewer caclulations. In the future, * these values may not correspond directly to the zlib compression levels. */ -extern PNG_EXPORT(void,png_set_compression_level) PNGARG((png_structp png_ptr, +PNG_EXPORT(void,png_set_compression_level) PNGARG((png_structp png_ptr, int level)); -extern PNG_EXPORT(void,png_set_compression_mem_level) +PNG_EXPORT(void,png_set_compression_mem_level) PNGARG((png_structp png_ptr, int mem_level)); -extern PNG_EXPORT(void,png_set_compression_strategy) +PNG_EXPORT(void,png_set_compression_strategy) PNGARG((png_structp png_ptr, int strategy)); -extern PNG_EXPORT(void,png_set_compression_window_bits) +PNG_EXPORT(void,png_set_compression_window_bits) PNGARG((png_structp png_ptr, int window_bits)); -extern PNG_EXPORT(void,png_set_compression_method) PNGARG((png_structp png_ptr, +PNG_EXPORT(void,png_set_compression_method) PNGARG((png_structp png_ptr, int method)); /* These next functions are called for input/output, memory, and error * handling. They are in the file pngrio.c, pngwio.c, and pngerror.c, @@ -1944,9 +1945,9 @@ */ #ifdef PNG_STDIO_SUPPORTED /* Initialize the input/output for the PNG file to the default functions. */ -extern PNG_EXPORT(void,png_init_io) PNGARG((png_structp png_ptr, +PNG_EXPORT(void,png_init_io) PNGARG((png_structp png_ptr, png_FILE_p fp)); #endif /* Replace the (error and abort), and warning functions with user @@ -1956,13 +1957,13 @@ * method of error handling. If error_fn or warning_fn is NULL, the * default function will be used. */ -extern PNG_EXPORT(void,png_set_error_fn) PNGARG((png_structp png_ptr, +PNG_EXPORT(void,png_set_error_fn) PNGARG((png_structp png_ptr, png_voidp error_ptr, png_error_ptr error_fn, png_error_ptr warning_fn)); /* Return the user pointer associated with the error functions */ -extern PNG_EXPORT(png_voidp,png_get_error_ptr) PNGARG((png_structp png_ptr)); +PNG_EXPORT(png_voidp,png_get_error_ptr) PNGARG((png_structp png_ptr)); /* Replace the default data output functions with a user supplied one(s). * If buffered output is not used, then output_flush_fn can be set to NULL. * If PNG_WRITE_FLUSH_SUPPORTED is not defined at libpng compile time @@ -1972,102 +1973,102 @@ * PNG_WRITE_FLUSH_SUPPORTED undefined, because in this case libpng's * default flush function, which uses the standard *FILE structure, will * be used. */ -extern PNG_EXPORT(void,png_set_write_fn) PNGARG((png_structp png_ptr, +PNG_EXPORT(void,png_set_write_fn) PNGARG((png_structp png_ptr, png_voidp io_ptr, png_rw_ptr write_data_fn, png_flush_ptr output_flush_fn)); /* Replace the default data input function with a user supplied one. */ -extern PNG_EXPORT(void,png_set_read_fn) PNGARG((png_structp png_ptr, +PNG_EXPORT(void,png_set_read_fn) PNGARG((png_structp png_ptr, png_voidp io_ptr, png_rw_ptr read_data_fn)); /* Return the user pointer associated with the I/O functions */ -extern PNG_EXPORT(png_voidp,png_get_io_ptr) PNGARG((png_structp png_ptr)); +PNG_EXPORT(png_voidp,png_get_io_ptr) PNGARG((png_structp png_ptr)); -extern PNG_EXPORT(void,png_set_read_status_fn) PNGARG((png_structp png_ptr, +PNG_EXPORT(void,png_set_read_status_fn) PNGARG((png_structp png_ptr, png_read_status_ptr read_row_fn)); -extern PNG_EXPORT(void,png_set_write_status_fn) PNGARG((png_structp png_ptr, +PNG_EXPORT(void,png_set_write_status_fn) PNGARG((png_structp png_ptr, png_write_status_ptr write_row_fn)); #ifdef PNG_USER_MEM_SUPPORTED /* Replace the default memory allocation functions with user supplied one(s). */ -extern PNG_EXPORT(void,png_set_mem_fn) PNGARG((png_structp png_ptr, +PNG_EXPORT(void,png_set_mem_fn) PNGARG((png_structp png_ptr, png_voidp mem_ptr, png_malloc_ptr malloc_fn, png_free_ptr free_fn)); /* Return the user pointer associated with the memory functions */ -extern PNG_EXPORT(png_voidp,png_get_mem_ptr) PNGARG((png_structp png_ptr)); +PNG_EXPORT(png_voidp,png_get_mem_ptr) PNGARG((png_structp png_ptr)); #endif #ifdef PNG_READ_USER_TRANSFORM_SUPPORTED -extern PNG_EXPORT(void,png_set_read_user_transform_fn) PNGARG((png_structp +PNG_EXPORT(void,png_set_read_user_transform_fn) PNGARG((png_structp png_ptr, png_user_transform_ptr read_user_transform_fn)); #endif #ifdef PNG_WRITE_USER_TRANSFORM_SUPPORTED -extern PNG_EXPORT(void,png_set_write_user_transform_fn) PNGARG((png_structp +PNG_EXPORT(void,png_set_write_user_transform_fn) PNGARG((png_structp png_ptr, png_user_transform_ptr write_user_transform_fn)); #endif #if defined(PNG_READ_USER_TRANSFORM_SUPPORTED) || \ defined(PNG_WRITE_USER_TRANSFORM_SUPPORTED) -extern PNG_EXPORT(void,png_set_user_transform_info) PNGARG((png_structp +PNG_EXPORT(void,png_set_user_transform_info) PNGARG((png_structp png_ptr, png_voidp user_transform_ptr, int user_transform_depth, int user_transform_channels)); /* Return the user pointer associated with the user transform functions */ -extern PNG_EXPORT(png_voidp,png_get_user_transform_ptr) +PNG_EXPORT(png_voidp,png_get_user_transform_ptr) PNGARG((png_structp png_ptr)); #endif #ifdef PNG_USER_CHUNKS_SUPPORTED -extern PNG_EXPORT(void,png_set_read_user_chunk_fn) PNGARG((png_structp png_ptr, +PNG_EXPORT(void,png_set_read_user_chunk_fn) PNGARG((png_structp png_ptr, png_voidp user_chunk_ptr, png_user_chunk_ptr read_user_chunk_fn)); -extern PNG_EXPORT(png_voidp,png_get_user_chunk_ptr) PNGARG((png_structp +PNG_EXPORT(png_voidp,png_get_user_chunk_ptr) PNGARG((png_structp png_ptr)); #endif #ifdef PNG_PROGRESSIVE_READ_SUPPORTED /* Sets the function callbacks for the push reader, and a pointer to a * user-defined structure available to the callback functions. */ -extern PNG_EXPORT(void,png_set_progressive_read_fn) PNGARG((png_structp png_ptr, +PNG_EXPORT(void,png_set_progressive_read_fn) PNGARG((png_structp png_ptr, png_voidp progressive_ptr, png_progressive_info_ptr info_fn, png_progressive_row_ptr row_fn, png_progressive_end_ptr end_fn)); /* Returns the user pointer associated with the push read functions */ -extern PNG_EXPORT(png_voidp,png_get_progressive_ptr) +PNG_EXPORT(png_voidp,png_get_progressive_ptr) PNGARG((png_structp png_ptr)); /* Function to be called when data becomes available */ -extern PNG_EXPORT(void,png_process_data) PNGARG((png_structp png_ptr, +PNG_EXPORT(void,png_process_data) PNGARG((png_structp png_ptr, png_infop info_ptr, png_bytep buffer, png_size_t buffer_size)); /* Function that combines rows. Not very much different than the * png_combine_row() call. Is this even used????? */ -extern PNG_EXPORT(void,png_progressive_combine_row) PNGARG((png_structp png_ptr, +PNG_EXPORT(void,png_progressive_combine_row) PNGARG((png_structp png_ptr, png_bytep old_row, png_bytep new_row)); #endif /* PNG_PROGRESSIVE_READ_SUPPORTED */ -extern PNG_EXPORT(png_voidp,png_malloc) PNGARG((png_structp png_ptr, +PNG_EXPORT(png_voidp,png_malloc) PNGARG((png_structp png_ptr, png_alloc_size_t size)) PNG_ALLOCATED; /* Added at libpng version 1.4.0 */ -extern PNG_EXPORT(png_voidp,png_calloc) PNGARG((png_structp png_ptr, +PNG_EXPORT(png_voidp,png_calloc) PNGARG((png_structp png_ptr, png_alloc_size_t size)) PNG_ALLOCATED; /* Added at libpng version 1.2.4 */ -extern PNG_EXPORT(png_voidp,png_malloc_warn) PNGARG((png_structp png_ptr, +PNG_EXPORT(png_voidp,png_malloc_warn) PNGARG((png_structp png_ptr, png_alloc_size_t size)) PNG_ALLOCATED; /* Frees a pointer allocated by png_malloc() */ -extern PNG_EXPORT(void,png_free) PNGARG((png_structp png_ptr, png_voidp ptr)); +PNG_EXPORT(void,png_free) PNGARG((png_structp png_ptr, png_voidp ptr)); /* Free data that was allocated internally */ -extern PNG_EXPORT(void,png_free_data) PNGARG((png_structp png_ptr, +PNG_EXPORT(void,png_free_data) PNGARG((png_structp png_ptr, png_infop info_ptr, png_uint_32 free_me, int num)); /* Reassign responsibility for freeing existing data, whether allocated * by libpng or by the application */ -extern PNG_EXPORT(void,png_data_freer) PNGARG((png_structp png_ptr, +PNG_EXPORT(void,png_data_freer) PNGARG((png_structp png_ptr, png_infop info_ptr, int freer, png_uint_32 mask)); /* Assignments for png_data_freer */ #define PNG_DESTROY_WILL_FREE_DATA 1 #define PNG_SET_WILL_FREE_DATA 1 @@ -2087,47 +2088,47 @@ #define PNG_FREE_ALL 0x7fff #define PNG_FREE_MUL 0x4220 /* PNG_FREE_SPLT|PNG_FREE_TEXT|PNG_FREE_UNKN */ #ifdef PNG_USER_MEM_SUPPORTED -extern PNG_EXPORT(png_voidp,png_malloc_default) PNGARG((png_structp png_ptr, +PNG_EXPORT(png_voidp,png_malloc_default) PNGARG((png_structp png_ptr, png_alloc_size_t size)) PNG_ALLOCATED; -extern PNG_EXPORT(void,png_free_default) PNGARG((png_structp png_ptr, +PNG_EXPORT(void,png_free_default) PNGARG((png_structp png_ptr, png_voidp ptr)); #endif #ifndef PNG_NO_ERROR_TEXT /* Fatal error in PNG image of libpng - can't continue */ -extern PNG_EXPORT(void,png_error) PNGARG((png_structp png_ptr, +PNG_EXPORT(void,png_error) PNGARG((png_structp png_ptr, png_const_charp error_message)) PNG_NORETURN; /* The same, but the chunk name is prepended to the error string. */ -extern PNG_EXPORT(void,png_chunk_error) PNGARG((png_structp png_ptr, +PNG_EXPORT(void,png_chunk_error) PNGARG((png_structp png_ptr, png_const_charp error_message)) PNG_NORETURN; #else /* Fatal error in PNG image of libpng - can't continue */ -extern PNG_EXPORT(void,png_err) PNGARG((png_structp png_ptr)) PNG_NORETURN; +PNG_EXPORT(void,png_err) PNGARG((png_structp png_ptr)) PNG_NORETURN; #endif /* Non-fatal error in libpng. Can continue, but may have a problem. */ -extern PNG_EXPORT(void,png_warning) PNGARG((png_structp png_ptr, +PNG_EXPORT(void,png_warning) PNGARG((png_structp png_ptr, png_const_charp warning_message)); /* Non-fatal error in libpng, chunk name is prepended to message. */ -extern PNG_EXPORT(void,png_chunk_warning) PNGARG((png_structp png_ptr, +PNG_EXPORT(void,png_chunk_warning) PNGARG((png_structp png_ptr, png_const_charp warning_message)); #ifdef PNG_BENIGN_ERRORS_SUPPORTED /* Benign error in libpng. Can continue, but may have a problem. * User can choose whether to handle as a fatal error or as a warning. */ -extern PNG_EXPORT(void,png_benign_error) PNGARG((png_structp png_ptr, +PNG_EXPORT(void,png_benign_error) PNGARG((png_structp png_ptr, png_const_charp warning_message)); /* Same, chunk name is prepended to message. */ -extern PNG_EXPORT(void,png_chunk_benign_error) PNGARG((png_structp png_ptr, +PNG_EXPORT(void,png_chunk_benign_error) PNGARG((png_structp png_ptr, png_const_charp warning_message)); -extern PNG_EXPORT(void,png_set_benign_errors) PNGARG((png_structp +PNG_EXPORT(void,png_set_benign_errors) PNGARG((png_structp png_ptr, int allowed)); #endif /* The png_set_ functions are for storing values in the png_info_struct. @@ -2142,110 +2143,110 @@ * to avoid problems with future changes in the size and internal layout of * png_info_struct. */ /* Returns "flag" if chunk data is valid in info_ptr. */ -extern PNG_EXPORT(png_uint_32,png_get_valid) PNGARG((png_structp png_ptr, +PNG_EXPORT(png_uint_32,png_get_valid) PNGARG((png_structp png_ptr, png_infop info_ptr, png_uint_32 flag)); /* Returns number of bytes needed to hold a transformed row. */ -extern PNG_EXPORT(png_size_t,png_get_rowbytes) PNGARG((png_structp png_ptr, +PNG_EXPORT(png_size_t,png_get_rowbytes) PNGARG((png_structp png_ptr, png_infop info_ptr)); #ifdef PNG_INFO_IMAGE_SUPPORTED /* Returns row_pointers, which is an array of pointers to scanlines that was * returned from png_read_png(). */ -extern PNG_EXPORT(png_bytepp,png_get_rows) PNGARG((png_structp png_ptr, +PNG_EXPORT(png_bytepp,png_get_rows) PNGARG((png_structp png_ptr, png_infop info_ptr)); /* Set row_pointers, which is an array of pointers to scanlines for use * by png_write_png(). */ -extern PNG_EXPORT(void,png_set_rows) PNGARG((png_structp png_ptr, +PNG_EXPORT(void,png_set_rows) PNGARG((png_structp png_ptr, png_infop info_ptr, png_bytepp row_pointers)); #endif /* Returns number of color channels in image. */ -extern PNG_EXPORT(png_byte,png_get_channels) PNGARG((png_structp png_ptr, +PNG_EXPORT(png_byte,png_get_channels) PNGARG((png_structp png_ptr, png_infop info_ptr)); #ifdef PNG_EASY_ACCESS_SUPPORTED /* Returns image width in pixels. */ -extern PNG_EXPORT(png_uint_32, png_get_image_width) PNGARG((png_structp +PNG_EXPORT(png_uint_32, png_get_image_width) PNGARG((png_structp png_ptr, png_infop info_ptr)); /* Returns image height in pixels. */ -extern PNG_EXPORT(png_uint_32, png_get_image_height) PNGARG((png_structp +PNG_EXPORT(png_uint_32, png_get_image_height) PNGARG((png_structp png_ptr, png_infop info_ptr)); /* Returns image bit_depth. */ -extern PNG_EXPORT(png_byte, png_get_bit_depth) PNGARG((png_structp +PNG_EXPORT(png_byte, png_get_bit_depth) PNGARG((png_structp png_ptr, png_infop info_ptr)); /* Returns image color_type. */ -extern PNG_EXPORT(png_byte, png_get_color_type) PNGARG((png_structp +PNG_EXPORT(png_byte, png_get_color_type) PNGARG((png_structp png_ptr, png_infop info_ptr)); /* Returns image filter_type. */ -extern PNG_EXPORT(png_byte, png_get_filter_type) PNGARG((png_structp +PNG_EXPORT(png_byte, png_get_filter_type) PNGARG((png_structp png_ptr, png_infop info_ptr)); /* Returns image interlace_type. */ -extern PNG_EXPORT(png_byte, png_get_interlace_type) PNGARG((png_structp +PNG_EXPORT(png_byte, png_get_interlace_type) PNGARG((png_structp png_ptr, png_infop info_ptr)); /* Returns image compression_type. */ -extern PNG_EXPORT(png_byte, png_get_compression_type) PNGARG((png_structp +PNG_EXPORT(png_byte, png_get_compression_type) PNGARG((png_structp png_ptr, png_infop info_ptr)); /* Returns image resolution in pixels per meter, from pHYs chunk data. */ -extern PNG_EXPORT(png_uint_32, png_get_pixels_per_meter) PNGARG((png_structp +PNG_EXPORT(png_uint_32, png_get_pixels_per_meter) PNGARG((png_structp png_ptr, png_infop info_ptr)); -extern PNG_EXPORT(png_uint_32, png_get_x_pixels_per_meter) PNGARG((png_structp +PNG_EXPORT(png_uint_32, png_get_x_pixels_per_meter) PNGARG((png_structp png_ptr, png_infop info_ptr)); -extern PNG_EXPORT(png_uint_32, png_get_y_pixels_per_meter) PNGARG((png_structp +PNG_EXPORT(png_uint_32, png_get_y_pixels_per_meter) PNGARG((png_structp png_ptr, png_infop info_ptr)); /* Returns pixel aspect ratio, computed from pHYs chunk data. */ #ifdef PNG_FLOATING_POINT_SUPPORTED -extern PNG_EXPORT(float, png_get_pixel_aspect_ratio) PNGARG((png_structp +PNG_EXPORT(float, png_get_pixel_aspect_ratio) PNGARG((png_structp png_ptr, png_infop info_ptr)); #endif /* Returns image x, y offset in pixels or microns, from oFFs chunk data. */ -extern PNG_EXPORT(png_int_32, png_get_x_offset_pixels) PNGARG((png_structp +PNG_EXPORT(png_int_32, png_get_x_offset_pixels) PNGARG((png_structp png_ptr, png_infop info_ptr)); -extern PNG_EXPORT(png_int_32, png_get_y_offset_pixels) PNGARG((png_structp +PNG_EXPORT(png_int_32, png_get_y_offset_pixels) PNGARG((png_structp png_ptr, png_infop info_ptr)); -extern PNG_EXPORT(png_int_32, png_get_x_offset_microns) PNGARG((png_structp +PNG_EXPORT(png_int_32, png_get_x_offset_microns) PNGARG((png_structp png_ptr, png_infop info_ptr)); -extern PNG_EXPORT(png_int_32, png_get_y_offset_microns) PNGARG((png_structp +PNG_EXPORT(png_int_32, png_get_y_offset_microns) PNGARG((png_structp png_ptr, png_infop info_ptr)); #endif /* PNG_EASY_ACCESS_SUPPORTED */ /* Returns pointer to signature string read from PNG header */ -extern PNG_EXPORT(png_bytep,png_get_signature) PNGARG((png_structp png_ptr, +PNG_EXPORT(png_bytep,png_get_signature) PNGARG((png_structp png_ptr, png_infop info_ptr)); #ifdef PNG_bKGD_SUPPORTED -extern PNG_EXPORT(png_uint_32,png_get_bKGD) PNGARG((png_structp png_ptr, +PNG_EXPORT(png_uint_32,png_get_bKGD) PNGARG((png_structp png_ptr, png_infop info_ptr, png_color_16p *background)); #endif #ifdef PNG_bKGD_SUPPORTED -extern PNG_EXPORT(void,png_set_bKGD) PNGARG((png_structp png_ptr, +PNG_EXPORT(void,png_set_bKGD) PNGARG((png_structp png_ptr, png_infop info_ptr, png_color_16p background)); #endif #ifdef PNG_cHRM_SUPPORTED #ifdef PNG_FLOATING_POINT_SUPPORTED -extern PNG_EXPORT(png_uint_32,png_get_cHRM) PNGARG((png_structp png_ptr, +PNG_EXPORT(png_uint_32,png_get_cHRM) PNGARG((png_structp png_ptr, png_infop info_ptr, double *white_x, double *white_y, double *red_x, double *red_y, double *green_x, double *green_y, double *blue_x, double *blue_y)); #endif #ifdef PNG_FIXED_POINT_SUPPORTED -extern PNG_EXPORT(png_uint_32,png_get_cHRM_fixed) PNGARG((png_structp png_ptr, +PNG_EXPORT(png_uint_32,png_get_cHRM_fixed) PNGARG((png_structp png_ptr, png_infop info_ptr, png_fixed_point *int_white_x, png_fixed_point *int_white_y, png_fixed_point *int_red_x, png_fixed_point *int_red_y, png_fixed_point *int_green_x, png_fixed_point *int_green_y, png_fixed_point *int_blue_x, png_fixed_point *int_blue_y)); @@ -2253,14 +2254,14 @@ #endif #ifdef PNG_cHRM_SUPPORTED #ifdef PNG_FLOATING_POINT_SUPPORTED -extern PNG_EXPORT(void,png_set_cHRM) PNGARG((png_structp png_ptr, +PNG_EXPORT(void,png_set_cHRM) PNGARG((png_structp png_ptr, png_infop info_ptr, double white_x, double white_y, double red_x, double red_y, double green_x, double green_y, double blue_x, double blue_y)); #endif #ifdef PNG_FIXED_POINT_SUPPORTED -extern PNG_EXPORT(void,png_set_cHRM_fixed) PNGARG((png_structp png_ptr, +PNG_EXPORT(void,png_set_cHRM_fixed) PNGARG((png_structp png_ptr, png_infop info_ptr, png_fixed_point int_white_x, png_fixed_point int_white_y, png_fixed_point int_red_x, png_fixed_point int_red_y, png_fixed_point int_green_x, png_fixed_point int_green_y, png_fixed_point int_blue_x, png_fixed_point int_blue_y)); @@ -2268,133 +2269,133 @@ #endif #ifdef PNG_gAMA_SUPPORTED #ifdef PNG_FLOATING_POINT_SUPPORTED -extern PNG_EXPORT(png_uint_32,png_get_gAMA) PNGARG((png_structp png_ptr, +PNG_EXPORT(png_uint_32,png_get_gAMA) PNGARG((png_structp png_ptr, png_infop info_ptr, double *file_gamma)); #endif -extern PNG_EXPORT(png_uint_32,png_get_gAMA_fixed) PNGARG((png_structp png_ptr, +PNG_EXPORT(png_uint_32,png_get_gAMA_fixed) PNGARG((png_structp png_ptr, png_infop info_ptr, png_fixed_point *int_file_gamma)); #endif #ifdef PNG_gAMA_SUPPORTED #ifdef PNG_FLOATING_POINT_SUPPORTED -extern PNG_EXPORT(void,png_set_gAMA) PNGARG((png_structp png_ptr, +PNG_EXPORT(void,png_set_gAMA) PNGARG((png_structp png_ptr, png_infop info_ptr, double file_gamma)); #endif -extern PNG_EXPORT(void,png_set_gAMA_fixed) PNGARG((png_structp png_ptr, +PNG_EXPORT(void,png_set_gAMA_fixed) PNGARG((png_structp png_ptr, png_infop info_ptr, png_fixed_point int_file_gamma)); #endif #ifdef PNG_hIST_SUPPORTED -extern PNG_EXPORT(png_uint_32,png_get_hIST) PNGARG((png_structp png_ptr, +PNG_EXPORT(png_uint_32,png_get_hIST) PNGARG((png_structp png_ptr, png_infop info_ptr, png_uint_16p *hist)); #endif #ifdef PNG_hIST_SUPPORTED -extern PNG_EXPORT(void,png_set_hIST) PNGARG((png_structp png_ptr, +PNG_EXPORT(void,png_set_hIST) PNGARG((png_structp png_ptr, png_infop info_ptr, png_uint_16p hist)); #endif -extern PNG_EXPORT(png_uint_32,png_get_IHDR) PNGARG((png_structp png_ptr, +PNG_EXPORT(png_uint_32,png_get_IHDR) PNGARG((png_structp png_ptr, png_infop info_ptr, png_uint_32 *width, png_uint_32 *height, int *bit_depth, int *color_type, int *interlace_method, int *compression_method, int *filter_method)); -extern PNG_EXPORT(void,png_set_IHDR) PNGARG((png_structp png_ptr, +PNG_EXPORT(void,png_set_IHDR) PNGARG((png_structp png_ptr, png_infop info_ptr, png_uint_32 width, png_uint_32 height, int bit_depth, int color_type, int interlace_method, int compression_method, int filter_method)); #ifdef PNG_oFFs_SUPPORTED -extern PNG_EXPORT(png_uint_32,png_get_oFFs) PNGARG((png_structp png_ptr, +PNG_EXPORT(png_uint_32,png_get_oFFs) PNGARG((png_structp png_ptr, png_infop info_ptr, png_int_32 *offset_x, png_int_32 *offset_y, int *unit_type)); #endif #ifdef PNG_oFFs_SUPPORTED -extern PNG_EXPORT(void,png_set_oFFs) PNGARG((png_structp png_ptr, +PNG_EXPORT(void,png_set_oFFs) PNGARG((png_structp png_ptr, png_infop info_ptr, png_int_32 offset_x, png_int_32 offset_y, int unit_type)); #endif #ifdef PNG_pCAL_SUPPORTED -extern PNG_EXPORT(png_uint_32,png_get_pCAL) PNGARG((png_structp png_ptr, +PNG_EXPORT(png_uint_32,png_get_pCAL) PNGARG((png_structp png_ptr, png_infop info_ptr, png_charp *purpose, png_int_32 *X0, png_int_32 *X1, int *type, int *nparams, png_charp *units, png_charpp *params)); #endif #ifdef PNG_pCAL_SUPPORTED -extern PNG_EXPORT(void,png_set_pCAL) PNGARG((png_structp png_ptr, +PNG_EXPORT(void,png_set_pCAL) PNGARG((png_structp png_ptr, png_infop info_ptr, png_charp purpose, png_int_32 X0, png_int_32 X1, int type, int nparams, png_charp units, png_charpp params)); #endif #ifdef PNG_pHYs_SUPPORTED -extern PNG_EXPORT(png_uint_32,png_get_pHYs) PNGARG((png_structp png_ptr, +PNG_EXPORT(png_uint_32,png_get_pHYs) PNGARG((png_structp png_ptr, png_infop info_ptr, png_uint_32 *res_x, png_uint_32 *res_y, int *unit_type)); #endif #ifdef PNG_pHYs_SUPPORTED -extern PNG_EXPORT(void,png_set_pHYs) PNGARG((png_structp png_ptr, +PNG_EXPORT(void,png_set_pHYs) PNGARG((png_structp png_ptr, png_infop info_ptr, png_uint_32 res_x, png_uint_32 res_y, int unit_type)); #endif -extern PNG_EXPORT(png_uint_32,png_get_PLTE) PNGARG((png_structp png_ptr, +PNG_EXPORT(png_uint_32,png_get_PLTE) PNGARG((png_structp png_ptr, png_infop info_ptr, png_colorp *palette, int *num_palette)); -extern PNG_EXPORT(void,png_set_PLTE) PNGARG((png_structp png_ptr, +PNG_EXPORT(void,png_set_PLTE) PNGARG((png_structp png_ptr, png_infop info_ptr, png_colorp palette, int num_palette)); #ifdef PNG_sBIT_SUPPORTED -extern PNG_EXPORT(png_uint_32,png_get_sBIT) PNGARG((png_structp png_ptr, +PNG_EXPORT(png_uint_32,png_get_sBIT) PNGARG((png_structp png_ptr, png_infop info_ptr, png_color_8p *sig_bit)); #endif #ifdef PNG_sBIT_SUPPORTED -extern PNG_EXPORT(void,png_set_sBIT) PNGARG((png_structp png_ptr, +PNG_EXPORT(void,png_set_sBIT) PNGARG((png_structp png_ptr, png_infop info_ptr, png_color_8p sig_bit)); #endif #ifdef PNG_sRGB_SUPPORTED -extern PNG_EXPORT(png_uint_32,png_get_sRGB) PNGARG((png_structp png_ptr, +PNG_EXPORT(png_uint_32,png_get_sRGB) PNGARG((png_structp png_ptr, png_infop info_ptr, int *intent)); #endif #ifdef PNG_sRGB_SUPPORTED -extern PNG_EXPORT(void,png_set_sRGB) PNGARG((png_structp png_ptr, +PNG_EXPORT(void,png_set_sRGB) PNGARG((png_structp png_ptr, png_infop info_ptr, int intent)); -extern PNG_EXPORT(void,png_set_sRGB_gAMA_and_cHRM) PNGARG((png_structp png_ptr, +PNG_EXPORT(void,png_set_sRGB_gAMA_and_cHRM) PNGARG((png_structp png_ptr, png_infop info_ptr, int intent)); #endif #ifdef PNG_iCCP_SUPPORTED -extern PNG_EXPORT(png_uint_32,png_get_iCCP) PNGARG((png_structp png_ptr, +PNG_EXPORT(png_uint_32,png_get_iCCP) PNGARG((png_structp png_ptr, png_infop info_ptr, png_charpp name, int *compression_type, png_charpp profile, png_uint_32 *proflen)); /* Note to maintainer: profile should be png_bytepp */ #endif #ifdef PNG_iCCP_SUPPORTED -extern PNG_EXPORT(void,png_set_iCCP) PNGARG((png_structp png_ptr, +PNG_EXPORT(void,png_set_iCCP) PNGARG((png_structp png_ptr, png_infop info_ptr, png_charp name, int compression_type, png_charp profile, png_uint_32 proflen)); /* Note to maintainer: profile should be png_bytep */ #endif #ifdef PNG_sPLT_SUPPORTED -extern PNG_EXPORT(png_uint_32,png_get_sPLT) PNGARG((png_structp png_ptr, +PNG_EXPORT(png_uint_32,png_get_sPLT) PNGARG((png_structp png_ptr, png_infop info_ptr, png_sPLT_tpp entries)); #endif #ifdef PNG_sPLT_SUPPORTED -extern PNG_EXPORT(void,png_set_sPLT) PNGARG((png_structp png_ptr, +PNG_EXPORT(void,png_set_sPLT) PNGARG((png_structp png_ptr, png_infop info_ptr, png_sPLT_tp entries, int nentries)); #endif #ifdef PNG_TEXT_SUPPORTED /* png_get_text also returns the number of text chunks in *num_text */ -extern PNG_EXPORT(png_uint_32,png_get_text) PNGARG((png_structp png_ptr, +PNG_EXPORT(png_uint_32,png_get_text) PNGARG((png_structp png_ptr, png_infop info_ptr, png_textp *text_ptr, int *num_text)); #endif /* Note while png_set_text() will accept a structure whose text, @@ -2404,30 +2405,30 @@ * they will never be NULL pointers. */ #ifdef PNG_TEXT_SUPPORTED -extern PNG_EXPORT(void,png_set_text) PNGARG((png_structp png_ptr, +PNG_EXPORT(void,png_set_text) PNGARG((png_structp png_ptr, png_infop info_ptr, png_textp text_ptr, int num_text)); #endif #ifdef PNG_tIME_SUPPORTED -extern PNG_EXPORT(png_uint_32,png_get_tIME) PNGARG((png_structp png_ptr, +PNG_EXPORT(png_uint_32,png_get_tIME) PNGARG((png_structp png_ptr, png_infop info_ptr, png_timep *mod_time)); #endif #ifdef PNG_tIME_SUPPORTED -extern PNG_EXPORT(void,png_set_tIME) PNGARG((png_structp png_ptr, +PNG_EXPORT(void,png_set_tIME) PNGARG((png_structp png_ptr, png_infop info_ptr, png_timep mod_time)); #endif #ifdef PNG_tRNS_SUPPORTED -extern PNG_EXPORT(png_uint_32,png_get_tRNS) PNGARG((png_structp png_ptr, +PNG_EXPORT(png_uint_32,png_get_tRNS) PNGARG((png_structp png_ptr, png_infop info_ptr, png_bytep *trans_alpha, int *num_trans, png_color_16p *trans_color)); #endif #ifdef PNG_tRNS_SUPPORTED -extern PNG_EXPORT(void,png_set_tRNS) PNGARG((png_structp png_ptr, +PNG_EXPORT(void,png_set_tRNS) PNGARG((png_structp png_ptr, png_infop info_ptr, png_bytep trans_alpha, int num_trans, png_color_16p trans_color)); #endif @@ -2435,25 +2436,25 @@ #endif #ifdef PNG_sCAL_SUPPORTED #ifdef PNG_FLOATING_POINT_SUPPORTED -extern PNG_EXPORT(png_uint_32,png_get_sCAL) PNGARG((png_structp png_ptr, +PNG_EXPORT(png_uint_32,png_get_sCAL) PNGARG((png_structp png_ptr, png_infop info_ptr, int *unit, double *width, double *height)); #else #ifdef PNG_FIXED_POINT_SUPPORTED -extern PNG_EXPORT(png_uint_32,png_get_sCAL_s) PNGARG((png_structp png_ptr, +PNG_EXPORT(png_uint_32,png_get_sCAL_s) PNGARG((png_structp png_ptr, png_infop info_ptr, int *unit, png_charpp swidth, png_charpp sheight)); #endif #endif #endif /* PNG_sCAL_SUPPORTED */ #ifdef PNG_sCAL_SUPPORTED #ifdef PNG_FLOATING_POINT_SUPPORTED -extern PNG_EXPORT(void,png_set_sCAL) PNGARG((png_structp png_ptr, +PNG_EXPORT(void,png_set_sCAL) PNGARG((png_structp png_ptr, png_infop info_ptr, int unit, double width, double height)); #else #ifdef PNG_FIXED_POINT_SUPPORTED -extern PNG_EXPORT(void,png_set_sCAL_s) PNGARG((png_structp png_ptr, +PNG_EXPORT(void,png_set_sCAL_s) PNGARG((png_structp png_ptr, png_infop info_ptr, int unit, png_charp swidth, png_charp sheight)); #endif #endif #endif /* PNG_sCAL_SUPPORTED || PNG_WRITE_sCAL_SUPPORTED */ @@ -2467,49 +2468,49 @@ = 1: do not keep = 2: keep only if safe-to-copy = 3: keep even if unsafe-to-copy */ -extern PNG_EXPORT(void, png_set_keep_unknown_chunks) PNGARG((png_structp +PNG_EXPORT(void, png_set_keep_unknown_chunks) PNGARG((png_structp png_ptr, int keep, png_bytep chunk_list, int num_chunks)); PNG_EXPORT(int,png_handle_as_unknown) PNGARG((png_structp png_ptr, png_bytep chunk_name)); #endif #ifdef PNG_UNKNOWN_CHUNKS_SUPPORTED -extern PNG_EXPORT(void, png_set_unknown_chunks) PNGARG((png_structp png_ptr, +PNG_EXPORT(void, png_set_unknown_chunks) PNGARG((png_structp png_ptr, png_infop info_ptr, png_unknown_chunkp unknowns, int num_unknowns)); -extern PNG_EXPORT(void, png_set_unknown_chunk_location) +PNG_EXPORT(void, png_set_unknown_chunk_location) PNGARG((png_structp png_ptr, png_infop info_ptr, int chunk, int location)); -extern PNG_EXPORT(png_uint_32,png_get_unknown_chunks) PNGARG((png_structp +PNG_EXPORT(png_uint_32,png_get_unknown_chunks) PNGARG((png_structp png_ptr, png_infop info_ptr, png_unknown_chunkpp entries)); #endif /* Png_free_data() will turn off the "valid" flag for anything it frees. * If you need to turn it off for a chunk that your application has freed, * you can use png_set_invalid(png_ptr, info_ptr, PNG_INFO_CHNK); */ -extern PNG_EXPORT(void, png_set_invalid) PNGARG((png_structp png_ptr, +PNG_EXPORT(void, png_set_invalid) PNGARG((png_structp png_ptr, png_infop info_ptr, int mask)); #ifdef PNG_INFO_IMAGE_SUPPORTED /* The "params" pointer is currently not used and is for future expansion. */ -extern PNG_EXPORT(void, png_read_png) PNGARG((png_structp png_ptr, +PNG_EXPORT(void, png_read_png) PNGARG((png_structp png_ptr, png_infop info_ptr, int transforms, png_voidp params)); -extern PNG_EXPORT(void, png_write_png) PNGARG((png_structp png_ptr, +PNG_EXPORT(void, png_write_png) PNGARG((png_structp png_ptr, png_infop info_ptr, int transforms, png_voidp params)); #endif -extern PNG_EXPORT(png_charp,png_get_copyright) PNGARG((png_structp png_ptr)); -extern PNG_EXPORT(png_charp,png_get_header_ver) PNGARG((png_structp png_ptr)); -extern PNG_EXPORT(png_charp,png_get_header_version) PNGARG((png_structp +PNG_EXPORT(png_charp,png_get_copyright) PNGARG((png_structp png_ptr)); +PNG_EXPORT(png_charp,png_get_header_ver) PNGARG((png_structp png_ptr)); +PNG_EXPORT(png_charp,png_get_header_version) PNGARG((png_structp png_ptr)); -extern PNG_EXPORT(png_charp,png_get_libpng_ver) PNGARG((png_structp png_ptr)); +PNG_EXPORT(png_charp,png_get_libpng_ver) PNGARG((png_structp png_ptr)); #ifdef PNG_MNG_FEATURES_SUPPORTED -extern PNG_EXPORT(png_uint_32,png_permit_mng_features) PNGARG((png_structp +PNG_EXPORT(png_uint_32,png_permit_mng_features) PNGARG((png_structp png_ptr, png_uint_32 mng_features_permitted)); #endif /* For use in png_set_keep_unknown, added to version 1.2.6 */ @@ -2521,29 +2522,29 @@ /* Strip the prepended error numbers ("#nnn ") from error and warning * messages before passing them to the error or warning handler. */ #ifdef PNG_ERROR_NUMBERS_SUPPORTED -extern PNG_EXPORT(void,png_set_strip_error_numbers) PNGARG((png_structp +PNG_EXPORT(void,png_set_strip_error_numbers) PNGARG((png_structp png_ptr, png_uint_32 strip_mode)); #endif /* Added in libpng-1.2.6 */ #ifdef PNG_SET_USER_LIMITS_SUPPORTED -extern PNG_EXPORT(void,png_set_user_limits) PNGARG((png_structp +PNG_EXPORT(void,png_set_user_limits) PNGARG((png_structp png_ptr, png_uint_32 user_width_max, png_uint_32 user_height_max)); -extern PNG_EXPORT(png_uint_32,png_get_user_width_max) PNGARG((png_structp +PNG_EXPORT(png_uint_32,png_get_user_width_max) PNGARG((png_structp png_ptr)); -extern PNG_EXPORT(png_uint_32,png_get_user_height_max) PNGARG((png_structp +PNG_EXPORT(png_uint_32,png_get_user_height_max) PNGARG((png_structp png_ptr)); /* Added in libpng-1.4.0 */ -extern PNG_EXPORT(void,png_set_chunk_cache_max) PNGARG((png_structp +PNG_EXPORT(void,png_set_chunk_cache_max) PNGARG((png_structp png_ptr, png_uint_32 user_chunk_cache_max)); -extern PNG_EXPORT(png_uint_32,png_get_chunk_cache_max) +PNG_EXPORT(png_uint_32,png_get_chunk_cache_max) PNGARG((png_structp png_ptr)); /* Added in libpng-1.4.1 */ -extern PNG_EXPORT(void,png_set_chunk_malloc_max) PNGARG((png_structp +PNG_EXPORT(void,png_set_chunk_malloc_max) PNGARG((png_structp png_ptr, png_alloc_size_t user_chunk_cache_max)); -extern PNG_EXPORT(png_alloc_size_t,png_get_chunk_malloc_max) +PNG_EXPORT(png_alloc_size_t,png_get_chunk_malloc_max) PNGARG((png_structp png_ptr)); #endif #if defined(PNG_INCH_CONVERSIONS) && defined(PNG_FLOATING_POINT_SUPPORTED) @@ -2569,11 +2570,11 @@ #endif /* PNG_INCH_CONVERSIONS && PNG_FLOATING_POINT_SUPPORTED */ /* Added in libpng-1.4.0 */ #ifdef PNG_IO_STATE_SUPPORTED -extern PNG_EXPORT(png_uint_32,png_get_io_state) PNGARG((png_structp png_ptr)); +PNG_EXPORT(png_uint_32,png_get_io_state) PNGARG((png_structp png_ptr)); -extern PNG_EXPORT(png_bytep,png_get_io_chunk_name) +PNG_EXPORT(png_bytep,png_get_io_chunk_name) PNGARG((png_structp png_ptr)); /* The flags returned by png_get_io_state() are the following: */ #define PNG_IO_NONE 0x0000 /* no I/O at this moment */ @@ -2637,46 +2638,42 @@ /* Inline macros to do direct reads of bytes from the input buffer. * The png_get_int_32() routine assumes we are using two's complement * format for negative values, which is almost certainly true. */ -/* We could make special-case BIG_ENDIAN macros that do direct reads here */ # define png_get_uint_32(buf) \ (((png_uint_32)(*(buf)) << 24) + \ ((png_uint_32)(*((buf) + 1)) << 16) + \ ((png_uint_32)(*((buf) + 2)) << 8) + \ ((png_uint_32)(*((buf) + 3)))) # define png_get_uint_16(buf) \ (((png_uint_32)(*(buf)) << 8) + \ ((png_uint_32)(*((buf) + 1)))) -#ifdef PNG_GET_INT_32_SUPPORTED # define png_get_int_32(buf) \ - (((png_int_32)(*(buf)) << 24) + \ - ((png_int_32)(*((buf) + 1)) << 16) + \ - ((png_int_32)(*((buf) + 2)) << 8) + \ - ((png_int_32)(*((buf) + 3)))) -#endif + ((png_int_32)((*(buf) & 0x80) \ + ? -((png_int_32)((png_get_uint_32(buf) ^ 0xffffffff)+1)) \ + : (png_int_32)png_get_uint_32(buf))) #else -extern PNG_EXPORT(png_uint_32,png_get_uint_32) PNGARG((png_bytep buf)); -extern PNG_EXPORT(png_uint_16,png_get_uint_16) PNGARG((png_bytep buf)); +PNG_EXPORT(png_uint_32,png_get_uint_32) PNGARG((png_bytep buf)); +PNG_EXPORT(png_uint_16,png_get_uint_16) PNGARG((png_bytep buf)); #ifdef PNG_GET_INT_32_SUPPORTED -extern PNG_EXPORT(png_int_32,png_get_int_32) PNGARG((png_bytep buf)); +PNG_EXPORT(png_int_32,png_get_int_32) PNGARG((png_bytep buf)); #endif #endif -extern PNG_EXPORT(png_uint_32,png_get_uint_31) +PNG_EXPORT(png_uint_32,png_get_uint_31) PNGARG((png_structp png_ptr, png_bytep buf)); /* No png_get_int_16 -- may be added if there's a real need for it. */ /* Place a 32-bit number into a buffer in PNG byte order (big-endian). */ -extern PNG_EXPORT(void,png_save_uint_32) +PNG_EXPORT(void,png_save_uint_32) PNGARG((png_bytep buf, png_uint_32 i)); -extern PNG_EXPORT(void,png_save_int_32) +PNG_EXPORT(void,png_save_int_32) PNGARG((png_bytep buf, png_int_32 i)); /* Place a 16-bit number into a buffer in PNG byte order. * The parameter is declared unsigned int, not png_uint_16, * just to avoid potential problems on pre-ANSI C compilers. */ -extern PNG_EXPORT(void,png_save_uint_16) +PNG_EXPORT(void,png_save_uint_16) PNGARG((png_bytep buf, unsigned int i)); /* No png_save_int_16 -- may be added if there's a real need for it. */ /* ************************************************************************* */ diff -ru4NwbB libpng-1.4.3/pngconf.h libpng-1.4.4beta04/pngconf.h --- libpng-1.4.3/pngconf.h 2010-06-25 19:32:25.996648919 -0500 +++ libpng-1.4.4beta04/pngconf.h 2010-07-31 16:35:03.541802289 -0500 @@ -438,9 +438,9 @@ #endif /* The following uses const char * instead of char * for error * and warning message functions, so some compilers won't complain. - * If you do not want to use const, define PNG_NO_CONST here. + * If you do not want to use const, define PNG_NO_CONST. */ #ifndef PNG_CONST # ifndef PNG_NO_CONST @@ -453,10 +453,12 @@ /* The following defines give you the ability to remove code from the * library that you will not be using. I wish I could figure out how to * automate this, but I can't do that without making it seriously hard * on the users. So if you are not using an ability, change the #define - * to and #undef, and that part of the library will not be compiled. If - * your linker can't find a function, you may want to make sure the + * to an #undef, or pass in PNG_NO_feature and that part of the library + * will not be compiled. + + * If your linker can't find a function, you may want to make sure the * ability is defined here. Some of these depend upon some others being * defined. I haven't figured out all the interactions here, so you may * have to experiment awhile to get everything to compile. If you are * creating or using a shared library, you probably shouldn't touch this, @@ -1235,23 +1237,27 @@ #if !defined(PNG_DLL) && (defined(PNG_BUILD_DLL) || defined(PNG_USE_DLL)) # define PNG_DLL #endif +/* If you define PNGAPI, e.g., with compiler option "-DPNGAPI=__stdcall", + * you may get warnings regarding the linkage of png_zalloc and png_zfree. + * Don't ignore those warnings; you must also reset the default calling + * convention in your compiler to match your PNGAPI, and you must build + * zlib and your applications the same way you build libpng. + */ + #ifdef __CYGWIN__ # undef PNGAPI # define PNGAPI __cdecl # undef PNG_IMPEXP # define PNG_IMPEXP #endif -#define PNG_USE_LOCAL_ARRAYS /* Not used in libpng, defined for legacy apps */ - -/* If you define PNGAPI, e.g., with compiler option "-DPNGAPI=__stdcall", - * you may get warnings regarding the linkage of png_zalloc and png_zfree. - * Don't ignore those warnings; you must also reset the default calling - * convention in your compiler to match your PNGAPI, and you must build - * zlib and your applications the same way you build libpng. - */ +#ifdef __WATCOMC__ +# ifndef PNGAPI +# define PNGAPI +# endif +#endif #if defined(__MINGW32__) && !defined(PNG_MODULEDEF) # ifndef PNG_NO_MODULEDEF # define PNG_NO_MODULEDEF @@ -1334,8 +1340,10 @@ #ifndef PNG_EXPORT # define PNG_EXPORT(type,symbol) PNG_IMPEXP type PNGAPI symbol #endif +#define PNG_USE_LOCAL_ARRAYS /* Not used in libpng, defined for legacy apps */ + /* Support for compiler specific function attributes. These are used * so that where compiler support is available incorrect use of API * functions in png.h will generate compiler warnings. * @@ -1452,8 +1460,11 @@ # define png_memcmp memcmp /* SJT: added */ # define png_memcpy memcpy # define png_memset memset # define png_sprintf sprintf +# endif +#endif + # ifndef PNG_NO_SNPRINTF # ifdef _MSC_VER # define png_snprintf _snprintf /* Added to v 1.2.19 */ # define png_snprintf2 _snprintf @@ -1469,14 +1480,12 @@ * or malevolent buffer overflows. If you don't have snprintf() * as a general rule you should provide one (you can get one from * Portable OpenSSH). */ -# define png_snprintf(s1,n,fmt,x1) sprintf(s1,fmt,x1) -# define png_snprintf2(s1,n,fmt,x1,x2) sprintf(s1,fmt,x1,x2) +# define png_snprintf(s1,n,fmt,x1) png_sprintf(s1,fmt,x1) +# define png_snprintf2(s1,n,fmt,x1,x2) png_sprintf(s1,fmt,x1,x2) # define png_snprintf6(s1,n,fmt,x1,x2,x3,x4,x5,x6) \ - sprintf(s1,fmt,x1,x2,x3,x4,x5,x6) -# endif -# endif + png_sprintf(s1,fmt,x1,x2,x3,x4,x5,x6) #endif /* png_alloc_size_t is guaranteed to be no smaller than png_size_t, * and no smaller than png_uint_32. Casts from png_size_t or png_uint_32 diff -ru4NwbB libpng-1.4.3/pngpriv.h libpng-1.4.4beta04/pngpriv.h --- libpng-1.4.3/pngpriv.h 2010-06-25 19:32:26.004448928 -0500 +++ libpng-1.4.4beta04/pngpriv.h 2010-07-31 16:35:03.549490042 -0500 @@ -27,16 +27,18 @@ #ifndef PNG_VERSION_INFO_ONLY #include +#ifndef PNG_EXTERN /* The functions exported by PNG_EXTERN are internal functions, which * aren't usually used outside the library (as far as I know), so it is * debatable if they should be exported at all. In the future, when it * is possible to have run-time registry of chunk-handling functions, * some of these will be made available again. #define PNG_EXTERN extern */ #define PNG_EXTERN +#endif /* Other defines specific to compilers can go here. Try to keep * them inside an appropriate ifdef/endif pair for portability. */ @@ -671,9 +673,9 @@ png_uint_32 length)); #endif #ifdef PNG_READ_iCCP_SUPPORTED -extern void png_handle_iCCP PNGARG((png_structp png_ptr, png_infop info_ptr, +PNG_EXTERN void png_handle_iCCP PNGARG((png_structp png_ptr, png_infop info_ptr, png_uint_32 length)); #endif /* PNG_READ_iCCP_SUPPORTED */ #ifdef PNG_READ_iTXt_SUPPORTED @@ -706,9 +708,9 @@ png_uint_32 length)); #endif #ifdef PNG_READ_sPLT_SUPPORTED -extern void png_handle_sPLT PNGARG((png_structp png_ptr, png_infop info_ptr, +PNG_EXTERN void png_handle_sPLT PNGARG((png_structp png_ptr, png_infop info_ptr, png_uint_32 length)); #endif /* PNG_READ_sPLT_SUPPORTED */ #ifdef PNG_READ_sRGB_SUPPORTED @@ -827,16 +829,16 @@ int color_type, int interlace_type, int compression_type, int filter_type)); /* Free all memory used by the read (old method - NOT DLL EXPORTED) */ -extern void png_read_destroy PNGARG((png_structp png_ptr, png_infop info_ptr, +PNG_EXTERN void png_read_destroy PNGARG((png_structp png_ptr, png_infop info_ptr, png_infop end_info_ptr)); /* Free any memory used in png_ptr struct (old method - NOT DLL EXPORTED) */ -extern void png_write_destroy PNGARG((png_structp png_ptr)); +PNG_EXTERN void png_write_destroy PNGARG((png_structp png_ptr)); #ifdef USE_FAR_KEYWORD /* memory model conversion function */ -extern void *png_far_to_near PNGARG((png_structp png_ptr,png_voidp ptr, +PNG_EXTERN void *png_far_to_near PNGARG((png_structp png_ptr,png_voidp ptr, int check)); #endif /* USE_FAR_KEYWORD */ /* Define PNG_DEBUG at compile time for debugging information. Higher diff -ru4NwbB libpng-1.4.3/pngrutil.c libpng-1.4.4beta04/pngrutil.c --- libpng-1.4.3/pngrutil.c 2010-06-25 19:32:26.095302257 -0500 +++ libpng-1.4.4beta04/pngrutil.c 2010-07-31 16:35:03.638036143 -0500 @@ -29,40 +29,43 @@ return (i); } #ifndef PNG_USE_READ_MACROS /* Grab an unsigned 32-bit integer from a buffer in big-endian format. */ -png_uint_32 PNGAPI -png_get_uint_32(png_bytep buf) +png_uint_32 (PNGAPI +png_get_uint_32)(png_bytep buf) { - png_uint_32 i = ((png_uint_32)(*buf) << 24) + + png_uint_32 i = + ((png_uint_32)(*(buf )) << 24) + ((png_uint_32)(*(buf + 1)) << 16) + ((png_uint_32)(*(buf + 2)) << 8) + - (png_uint_32)(*(buf + 3)); + ((png_uint_32)(*(buf + 3)) ) ; return (i); } /* Grab a signed 32-bit integer from a buffer in big-endian format. The - * data is stored in the PNG file in two's complement format, and it is - * assumed that the machine format for signed integers is the same. - */ -png_int_32 PNGAPI -png_get_int_32(png_bytep buf) -{ - png_int_32 i = ((png_int_32)(*buf) << 24) + - ((png_int_32)(*(buf + 1)) << 16) + - ((png_int_32)(*(buf + 2)) << 8) + - (png_int_32)(*(buf + 3)); + * data is stored in the PNG file in two's complement format and there + * is no guarantee that a 'png_int_32' is exactly 32 bits, therefore + * the following code does a two's complement to native conversion. + */ +png_int_32 (PNGAPI +png_get_int_32)(png_bytep buf) +{ + png_uint_32 u = png_get_uint_32(buf); + if ((u & 0x80000000) == 0) /* non-negative */ + return u; - return (i); + u = (u ^ 0xffffffff) + 1; /* 2's complement: -x = ~x+1 */ + return -(png_int_32)u; } /* Grab an unsigned 16-bit integer from a buffer in big-endian format. */ -png_uint_16 PNGAPI -png_get_uint_16(png_bytep buf) +png_uint_16 (PNGAPI +png_get_uint_16)(png_bytep buf) { - png_uint_16 i = (png_uint_16)(((png_uint_16)(*buf) << 8) + - (png_uint_16)(*(buf + 1))); + png_uint_16 i = + ((png_uint_32)(*buf) << 8) + + ((png_uint_32)(*(buf + 1))); return (i); } #endif /* PNG_USE_READ_MACROS */ @@ -1127,22 +1130,22 @@ profile_length = profile_size; if (profile_size > profile_length) { +#ifdef PNG_STDIO_SUPPORTED + char umsg[50]; +#endif png_free(png_ptr, png_ptr->chunkdata); png_ptr->chunkdata = NULL; png_warning(png_ptr, "Ignoring truncated iCCP profile"); #ifdef PNG_STDIO_SUPPORTED - { - char umsg[50]; png_snprintf(umsg, 50, "declared profile size = %lu", (unsigned long)profile_size); png_warning(png_ptr, umsg); png_snprintf(umsg, 50, "actual profile length = %lu", (unsigned long)profile_length); png_warning(png_ptr, umsg); - } #endif return; } diff -ru4NwbB libpng-1.4.3/projects/xcode/libpng.xcodeproj/project.pbxproj libpng-1.4.4beta04/projects/xcode/libpng.xcodeproj/project.pbxproj --- libpng-1.4.3/projects/xcode/libpng.xcodeproj/project.pbxproj 2010-06-25 19:32:27.287348886 -0500 +++ libpng-1.4.4beta04/projects/xcode/libpng.xcodeproj/project.pbxproj 2010-07-31 16:35:04.889426357 -0500 @@ -225,9 +225,9 @@ buildSettings = { COPY_PHASE_STRIP = NO; DYLIB_COMPATIBILITY_VERSION = 14; DYLIB_CURRENT_VERSION = 14; - FRAMEWORK_VERSION = 1.4.3; + FRAMEWORK_VERSION = 1.4.4beta04; GCC_PRECOMPILE_PREFIX_HEADER = NO; GCC_PREFIX_HEADER = ""; INFOPLIST_FILE = Info.plist; INSTALL_PATH = "@executable_path/../Frameworks"; @@ -243,9 +243,9 @@ isa = XCBuildConfiguration; buildSettings = { DYLIB_COMPATIBILITY_VERSION = 14; DYLIB_CURRENT_VERSION = 14; - FRAMEWORK_VERSION = 1.4.3; + FRAMEWORK_VERSION = 1.4.4beta04; GCC_PRECOMPILE_PREFIX_HEADER = NO; GCC_PREFIX_HEADER = ""; INFOPLIST_FILE = Info.plist; INSTALL_PATH = "@executable_path/../Frameworks"; diff -ru4NwbB libpng-1.4.3/scripts/README.txt libpng-1.4.4beta04/scripts/README.txt --- libpng-1.4.3/scripts/README.txt 2010-06-25 19:32:27.811195781 -0500 +++ libpng-1.4.4beta04/scripts/README.txt 2010-07-31 16:35:05.433221626 -0500 @@ -19,9 +19,9 @@ makefile.darwin => Darwin makefile, can use on MacosX makefile.dec => DEC Alpha UNIX makefile makefile.dj2 => DJGPP 2 makefile makefile.elf => Linux/ELF makefile symbol versioning, - gcc, creates libpng%SONAME%.so.%SONUM%.1.4.4beta04) + (gcc, creates libpng%SONAME%.so.%SONUM%.1.4.4beta04) makefile.freebsd => FreeBSD makefile makefile.gcc => Generic gcc makefile makefile.hpgcc => HPUX makefile using gcc makefile.hpux => HPUX (10.20 and 11.00) makefile diff -ru4NwbB libpng-1.4.3/scripts/makefile.dj2 libpng-1.4.4beta04/scripts/makefile.dj2 --- libpng-1.4.3/scripts/makefile.dj2 2010-06-25 19:32:27.949505280 -0500 +++ libpng-1.4.4beta04/scripts/makefile.dj2 2010-07-31 16:35:05.573213818 -0500 @@ -1,6 +1,6 @@ # DJGPP (DOS gcc) makefile for libpng -# Copyright (C) 2002, 2006, 2009 Glenn Randers-Pehrson +# Copyright (C) 2002, 2006, 2009-2010 Glenn Randers-Pehrson # Copyright (C) 1995 Guy Eric Schalnat, Group 42, Inc. # # This code is released under the libpng license. # For conditions of distribution and use, see the disclaimer @@ -12,9 +12,9 @@ INCPATH=$(prefix)/include LIBPATH=$(prefix)/lib CC=gcc -CFLAGS=-I../zlib -O +CFLAGS=-I../zlib -O -DPNG_NO_SNPRINTF LDFLAGS=-L. -L../zlib/ -lpng -lz -lm RANLIB=ranlib