10139N/A<!DOCTYPE REFENTRY PUBLIC "-//Sun Microsystems//DTD DocBook V3.0-Based SolBook Subset V2.0//EN" [

10139N/A<!--ArborText, Inc., 1988-1999, v.4002-->

10139N/A<!ENTITY suncopy "Copyright (c) 2004, Sun Microsystems, Inc.

10139N/A All Rights Reserved.">

10139N/A<!ENTITY cmd "libpngpf">

10139N/A<!ENTITY % commonents SYSTEM "smancommon.ent">

10139N/A%commonents;

10139N/A<!ENTITY % gnomecommonents SYSTEM "gnomecommon.ent">

10139N/A%gnomecommonents;

10139N/A<!ENTITY % booktitles SYSTEM "booktitles.ent">

10139N/A%booktitles;

10139N/A]>

10139N/A<?Pub UDT _bookmark _target>

10139N/A<?Pub EntList brvbar bull cross dash diam diams frac12 frac13 frac14 hellip

10139N/A laquo lArr loz mdash nabla ndash para pound rArr raquo sect yen lt gt minus

10139N/A equals bsol sol amp>

10139N/A<?Pub Inc>

10139N/A<refentry id="libpngpf-3">

11965N/A<refmeta><refentrytitle>libpngpf</refentrytitle><manvolnum>3</manvolnum>

10139N/A<refmiscinfo class="date">26 Mar 2004</refmiscinfo>

10139N/A<refmiscinfo class="sectdesc">&man3;</refmiscinfo>

10139N/A<refmiscinfo class="software">&release;</refmiscinfo>

10139N/A<refmiscinfo class="arch">generic</refmiscinfo>

10139N/A<refmiscinfo class="copyright">&suncopy;</refmiscinfo>

10139N/A</refmeta>

10139N/A<indexterm><primary>libpngpf</primary></indexterm><indexterm><primary>Portable

10139N/ANetwork Graphics (PNG) Reference Library 1.0.12 (private functions)</primary>

10139N/A</indexterm>

10139N/A<refnamediv id="libpngpf-3-name"><refname>libpng</refname><refpurpose>Portable

10139N/ANetwork Graphics (PNG) Reference Library 1.0.12 (private functions)</refpurpose>

10139N/A</refnamediv>

10139N/A<refsect1 id="libpngpf-3-synp"><title>&synp-tt;</title>

10139N/A<programlisting>#include &lt;png.h>

10139N/A

10139N/Acc [ flag ...] -I/usr/sfw/include file [ library ... ] -

10139N/AL/usr/sfw/lib -R/usr/sfw/lib -lpng

10139N/A

10139N/Avoid png_build_gamma_table (png_structp png_ptr);

10139N/A

10139N/Avoid png_build_grayscale_palette (int bit_depth, png_colorp

10139N/Apalette);

10139N/A

10139N/Avoid png_calculate_crc (png_structp png_ptr, png_bytep ptr,

10139N/Apng_size_t length);

10139N/A

10139N/Avoid png_check_chunk_name (png_structp png_ptr, png_bytep

10139N/Achunk_name);

10139N/A

10139N/Apng_size_t png_check_keyword (png_structp png_ptr, png_charp

10139N/Akey, png_charpp new_key);

10139N/A

10139N/Avoid png_combine_row (png_structp png_ptr, png_bytep row,

10139N/Aint mask);

10139N/A

10139N/Avoid png_correct_palette (png_structp png_ptr, png_colorp

10139N/Apalette, int num_palette);

10139N/A

10139N/Aint png_crc_error (png_structp png_ptr);

10139N/A

10139N/Aint png_crc_finish (png_structp png_ptr, png_uint_32 skip);

10139N/A

10139N/Avoid png_crc_read (png_structp png_ptr, png_bytep buf,

10139N/Apng_size_t length);

10139N/A

10139N/Apng_voidp png_create_struct (int type, png_malloc_ptr

11904N/Amalloc_fn);

10139N/A

10139N/Apng_voidp png_create_struct_2 (int type);

10139N/A

10139N/Apng_charp png_decompress_chunk (png_structp png_ptr, int

10139N/Acomp_type, png_charp chunkdata, png_size_t chunklength,

10139N/Apng_size_t prefix_length, png_size_t *data_length);

10139N/A

10139N/Avoid png_destroy_struct (png_voidp struct_ptr);

10139N/A

10139N/Avoid png_destroy_struct_2 (png_voidp struct_ptr,

10139N/Apng_free_ptr free_fn);

10139N/A

10139N/Avoid png_do_background (png_row_infop row_info, png_bytep

10139N/Arow, png_color_16p trans_values, png_color_16p background,

10139N/Apng_color_16p background_1, png_bytep gamma_table, png_bytep

10139N/Agamma_from_1, png_bytep gamma_to_1, png_uint_16pp gamma_16,

10139N/Apng_uint_16pp gamma_16_from_1, png_uint_16pp gamma_16_to_1,

10139N/Aint gamma_shift);

10139N/A

10139N/Avoid png_do_bgr (png_row_infop row_info, png_bytep row);

10139N/A

10139N/Avoid png_do_chop (png_row_infop row_info, png_bytep row);

10139N/A

10139N/Avoid png_do_dither (png_row_infop row_info, png_bytep row,

10139N/Apng_bytep palette_lookup, png_bytep dither_lookup);

10139N/A

10139N/Avoid png_do_expand (png_row_infop row_info, png_bytep row,

10139N/A

10139N/Apng_color_16p trans_value);

10139N/A

10139N/Avoid png_do_expand_palette (png_row_infop row_info,

10139N/Apng_bytep row, png_colorp palette, png_bytep trans, int

10139N/Anum_trans);

10139N/A

10139N/Avoid png_do_gamma (png_row_infop row_info, png_bytep row,

10139N/Apng_bytep gamma_table, png_uint_16pp gamma_16_table, int

10139N/Agamma_shift);

10139N/A

10139N/Avoid png_do_gray_to_rgb (png_row_infop row_info, png_bytep

10139N/Arow);

10139N/A

10139N/Avoid png_do_invert (png_row_infop row_info, png_bytep row);

10139N/A

10139N/Avoid png_do_pack (png_row_infop row_info, png_bytep row,

10139N/Apng_uint_32 bit_depth);

10139N/A

10139N/Avoid png_do_packswap (png_row_infop row_info, png_bytep

10139N/Arow);

10139N/A

10139N/Avoid png_do_read_filler (png_row_infop row_info, png_bytep

10139N/Arow, png_uint_32 filler, png_uint_32 flags);

10139N/A

10139N/Avoid png_do_read_interlace (png_row_infop row_info,

10139N/Apng_bytep row, int pass, png_uint_32 transformations);

10139N/A

10139N/Avoid png_do_read_invert_alpha (png_row_infop row_info,

10139N/Apng_bytep row);

10139N/A

10139N/Avoid png_do_read_swap_alpha (png_row_infop row_info,

10139N/Apng_bytep row);

10139N/A

10139N/Avoid png_do_read_transformations (png_structp png_ptr);

10139N/A

10139N/Aint png_do_rgb_to_gray (png_row_infop row_info, png_bytep

10139N/Arow);

10139N/A

10139N/Avoid png_do_shift (png_row_infop row_info, png_bytep row,

10139N/Apng_color_8p bit_depth);

10139N/A

10139N/Avoid png_do_strip_filler (png_row_infop row_info, png_bytep

10139N/Arow, png_uint_32 flags);

10139N/A

10139N/Avoid png_do_swap (png_row_infop row_info, png_bytep row);

10139N/A

10139N/Avoid png_do_unpack (png_row_infop row_info, png_bytep row);

10139N/A

10139N/Avoid png_do_unshift (png_row_infop row_info, png_bytep row,

10139N/Apng_color_8p sig_bits);

10139N/A

10139N/Avoid png_do_write_interlace (png_row_infop row_info,

10139N/Apng_bytep row, int pass);

10139N/A

10139N/Avoid png_do_write_invert_alpha (png_row_infop row_info,

10139N/Apng_bytep row);

10139N/A

10139N/Avoid png_do_write_swap_alpha (png_row_infop row_info,

10139N/Apng_bytep row);

10139N/A

10139N/Avoid png_do_write_transformations (png_structp png_ptr);

10139N/A

10139N/Avoid *png_far_to_near (png_structp png_ptr,png_voidp ptr,

10139N/Aint check);

10139N/A

10139N/Avoid png_flush (png_structp png_ptr);

10139N/A

10139N/Apng_int_32 png_get_int_32 (png_bytep buf);

10139N/A

10139N/Apng_uint_16 png_get_uint_16 (png_bytep buf);

10139N/A

10139N/Apng_uint_32 png_get_uint_32 (png_bytep buf);

10139N/A

10139N/Aint png_handle_as_unknown (png_structp png_ptr, png_bytep

10139N/Achunk_name);

10139N/A

10139N/Avoid png_handle_bKGD (png_structp png_ptr, png_infop

10139N/Ainfo_ptr, png_uint_32 length);

10139N/A

10139N/Avoid png_handle_cHRM (png_structp png_ptr, png_infop

10139N/Ainfo_ptr, png_uint_32 length);

10139N/A

10139N/Avoid png_handle_gAMA (png_structp png_ptr, png_infop

10139N/Ainfo_ptr, png_uint_32 length);

10139N/A

10139N/Avoid png_handle_hIST (png_structp png_ptr, png_infop

10139N/Ainfo_ptr, png_uint_32 length);

10139N/A

10139N/Avoid png_handle_IEND (png_structp png_ptr, png_infop

10139N/Ainfo_ptr, png_uint_32 length);

10139N/A

10139N/Avoid png_handle_IHDR (png_structp png_ptr, png_infop

10139N/Ainfo_ptr, png_uint_32 length);

10139N/A

10139N/Avoid png_handle_iCCP (png_structp png_ptr, png_infop

10139N/Ainfo_ptr, png_uint_32 length);

10139N/A

10139N/Avoid png_handle_iTXt (png_structp png_ptr, png_infop

10139N/Ainfo_ptr, png_uint_32 length);

10139N/A

10139N/Avoid png_handle_oFFs (png_structp png_ptr, png_infop

10139N/Ainfo_ptr, png_uint_32 length);

10139N/A

10139N/Avoid png_handle_pCAL (png_structp png_ptr, png_infop

10139N/Ainfo_ptr, png_uint_32 length);

10139N/A

10139N/Avoid png_handle_pHYs (png_structp png_ptr, png_infop

10139N/Ainfo_ptr, png_uint_32 length);

10139N/A

10139N/Avoid png_handle_PLTE (png_structp png_ptr, png_infop

10139N/Ainfo_ptr, png_uint_32 length);

10139N/A

10139N/Avoid png_handle_sBIT (png_structp png_ptr, png_infop

10139N/Ainfo_ptr, png_uint_32 length);

10139N/A

10139N/Avoid png_handle_sCAL (png_structp png_ptr, png_infop

10139N/Ainfo_ptr, png_uint_32 length);

10139N/A

10139N/Avoid png_handle_sPLT (png_structp png_ptr, png_infop

10139N/Ainfo_ptr, png_uint_32 length);

10139N/A

10139N/Avoid png_handle_sRGB (png_structp png_ptr, png_infop

10139N/Ainfo_ptr, png_uint_32 length);

10139N/A

10139N/Avoid png_handle_tEXt (png_structp png_ptr, png_infop

10139N/Ainfo_ptr, png_uint_32 length);

10139N/A

10139N/Avoid png_handle_tIME (png_structp png_ptr, png_infop

10139N/Ainfo_ptr, png_uint_32 length);

10139N/A

10139N/Avoid png_handle_tRNS (png_structp png_ptr, png_infop

10139N/Ainfo_ptr, png_uint_32 length);

10139N/A

10139N/Avoid png_handle_unknown (png_structp png_ptr, png_infop

10139N/Ainfo_ptr, png_uint_32 length);

10139N/A

10139N/Avoid png_handle_zTXt (png_structp png_ptr, png_infop

10139N/Ainfo_ptr, png_uint_32 length);

10139N/A

10139N/Avoid png_info_destroy (png_structp png_ptr, png_infop

10139N/Ainfo_ptr);

10139N/A

10139N/Avoid png_init_read_transformations (png_structp png_ptr);

10139N/A

10139N/Avoid png_process_IDAT_data (png_structp png_ptr, png_bytep

10139N/Abuffer, png_size_t buffer_length);

10139N/A

10139N/Avoid png_process_some_data (png_structp png_ptr, png_infop

10139N/Ainfo_ptr);

10139N/A

10139N/Avoid png_push_check_crc (png_structp png_ptr);

10139N/A

10139N/Avoid png_push_crc_finish (png_structp png_ptr);

10139N/A

10139N/Avoid png_push_crc_skip (png_structp png_ptr, png_uint_32

10139N/Alength);

10139N/A

10139N/Avoid png_push_fill_buffer (png_structp png_ptr, png_bytep

10139N/Abuffer, png_size_t length);

10139N/A

10139N/Avoid png_push_handle_tEXt (png_structp png_ptr, png_infop

10139N/Ainfo_ptr, png_uint_32 length);

10139N/A

10139N/Avoid png_push_handle_unknown (png_structp png_ptr, png_infop

10139N/Ainfo_ptr, png_uint_32 length);

10139N/A

10139N/Avoid png_push_handle_zTXt (png_structp png_ptr, png_infop

10139N/Ainfo_ptr, png_uint_32 length);

10139N/A

10139N/Avoid png_push_have_end (png_structp png_ptr, png_infop

10139N/Ainfo_ptr);

10139N/A

10139N/Avoid png_push_have_info (png_structp png_ptr, png_infop

10139N/Ainfo_ptr);

10139N/A

10139N/Avoid png_push_have_row (png_structp png_ptr, png_bytep row);

10139N/A

10139N/Avoid png_push_process_row (png_structp png_ptr);

10139N/A

10139N/Avoid png_push_read_chunk (png_structp png_ptr, png_infop

10139N/Ainfo_ptr);

10139N/A

10139N/Avoid png_push_read_end (png_structp png_ptr, png_infop

10139N/Ainfo_ptr);

10139N/A

10139N/Avoid png_push_read_IDAT (png_structp png_ptr);

10139N/A

10139N/Avoid png_push_read_sig (png_structp png_ptr, png_infop

10139N/Ainfo_ptr);

10139N/A

10139N/Avoid png_push_read_tEXt (png_structp png_ptr, png_infop

10139N/Ainfo_ptr);

10139N/A

10139N/Avoid png_push_read_zTXt (png_structp png_ptr, png_infop

10139N/Ainfo_ptr);

10139N/A

10139N/Avoid png_push_restore_buffer (png_structp png_ptr, png_bytep

10139N/Abuffer, png_size_t buffer_length);

10139N/A

10139N/Avoid png_push_save_buffer (png_structp png_ptr);

10139N/A

10139N/Avoid png_read_data (png_structp png_ptr, png_bytep data,

10139N/Apng_size_t length);

10139N/A

10139N/Avoid png_read_filter_row (png_structp png_ptr, png_row_infop

10139N/Arow_info, png_bytep row, png_bytep prev_row, int filter);

10139N/A

10139N/Avoid png_read_finish_row (png_structp png_ptr);

10139N/A

10139N/Avoid png_read_push_finish_row (png_structp png_ptr);

10139N/A

10139N/Avoid png_read_start_row (png_structp png_ptr);

10139N/A

10139N/Avoid png_read_transform_info (png_structp png_ptr, png_infop

10139N/Ainfo_ptr);

10139N/A

10139N/Avoid png_reset_crc (png_structp png_ptr);

10139N/A

10139N/Avoid png_save_int_32 (png_bytep buf, png_int_32 i);

10139N/A

10139N/Avoid png_save_uint_16 (png_bytep buf, unsigned int i);

10139N/A

10139N/Avoid png_save_uint_32 (png_bytep buf, png_uint_32 i);

10139N/A

10139N/Avoid png_write_bKGD (png_structp png_ptr, png_color_16p

10139N/Avalues, int color_type);

10139N/A

10139N/Avoid png_write_cHRM (png_structp png_ptr, double white_x,

10139N/Adouble white_y, double red_x, double red_y, double green_x,

10139N/Adouble green_y, double blue_x, double blue_y);

10139N/A

10139N/Avoid png_write_cHRM_fixed (png_structp png_ptr, png_uint_32

10139N/Awhite_x, png_uint_32 white_y, png_uint_32 red_x, png_uint_32

10139N/Ared_y, png_uint_32 green_x, png_uint_32 green_y, png_uint_32

10139N/Ablue_x, png_uint_32 blue_y);

10139N/A

10139N/Avoid png_write_data (png_structp png_ptr, png_bytep data,

10139N/Apng_size_t length);

10139N/A

10139N/Avoid png_write_filtered_row (png_structp png_ptr, png_bytep

10139N/Afiltered_row);

10139N/A

10139N/Avoid png_write_find_filter (png_structp png_ptr,

10139N/Apng_row_infop row_info);

10139N/A

10139N/Avoid png_write_finish_row (png_structp png_ptr);

10139N/A

10139N/Avoid png_write_gAMA (png_structp png_ptr, double

10139N/Afile_gamma);

10139N/A

10139N/Avoid png_write_gAMA_fixed (png_structp png_ptr, png_uint_32

10139N/Aint_file_gamma);

10139N/A

10139N/Avoid png_write_hIST (png_structp png_ptr, png_uint_16p hist,

10139N/Aint num_hist);

10139N/A

10139N/Avoid png_write_iCCP (png_structp png_ptr, png_charp name,

10139N/Aint compression_type, png_charp profile, int proflen);

10139N/A

10139N/Avoid png_write_IDAT (png_structp png_ptr, png_bytep data,

10139N/Apng_size_t length);

10139N/A

10139N/Avoid png_write_IEND (png_structp png_ptr);

10139N/A

10139N/Avoid png_write_IHDR (png_structp png_ptr, png_uint_32 width,

10139N/Apng_uint_32 height, int bit_depth, int color_type, int

10139N/Acompression_type, int filter_type, int interlace_type);

10139N/A

10139N/Avoid png_write_iTXt (png_structp png_ptr, int compression,

10139N/Apng_charp key, png_charp lang, png_charp translated_key,

10139N/Apng_charp text));

10139N/A

10139N/Avoid png_write_oFFs (png_structp png_ptr, png_uint_32

10139N/Ax_offset, png_uint_32 y_offset, int unit_type);

10139N/A

10139N/Avoid png_write_pCAL (png_structp png_ptr, png_charp purpose,

10139N/Apng_int_32 X0, png_int_32 X1, int type, int nparams,

10139N/Apng_charp units, png_charpp params);

10139N/A

10139N/Avoid png_write_pHYs (png_structp png_ptr, png_uint_32

10139N/Ax_pixels_per_unit, png_uint_32 y_pixels_per_unit, int

10139N/Aunit_type);

10139N/A

10139N/Avoid png_write_PLTE (png_structp png_ptr, png_colorp

10139N/Apalette, png_uint_32 num_pal);

10139N/A

10139N/Avoid png_write_sBIT (png_structp png_ptr, png_color_8p sbit,

10139N/Aint color_type);

10139N/A

10139N/Avoid png_write_sCAL (png_structp png_ptr, png_charp unit,

10139N/Adouble width, double height);

10139N/A

10139N/Avoid png_write_sCAL_s (png_structp png_ptr, png_charp unit,

10139N/Apng_charp width, png_charp height);

10139N/A

10139N/Avoid png_write_sig (png_structp png_ptr);

10139N/A

10139N/Avoid png_write_sRGB (png_structp png_ptr, int intent);

10139N/A

10139N/Avoid png_write_sPLT (png_structp png_ptr, png_spalette_p

10139N/Apalette);

10139N/A

10139N/Avoid png_write_start_row (png_structp png_ptr);

10139N/A

10139N/Avoid png_write_tEXt (png_structp png_ptr, png_charp key,

10139N/Apng_charp text, png_size_t text_len);

10139N/A

10139N/Avoid png_write_tIME (png_structp png_ptr, png_timep

10139N/Amod_time);

10139N/A

10139N/Avoid png_write_tRNS (png_structp png_ptr, png_bytep trans,

10139N/Apng_color_16p values, int number, int color_type);

10139N/A

10139N/Avoid png_write_zTXt (png_structp png_ptr, png_charp key,

10139N/Apng_charp text, png_size_t text_len, int compression);

10139N/A

10139N/Avoidpf png_zalloc (voidpf png_ptr, uInt items, uInt size);

10139N/A

10139N/Avoid png_zfree (voidpf png_ptr, voidpf ptr);

10139N/A

10139N/A</programlisting>

10139N/A</refsect1>

10139N/A<refsect1 id="libpngpf-3-desc"><title>&desc-tt;</title>

10139N/A<para>The functions listed above are used privately by <filename>libpng</filename>

10139N/Aand are not recommended for use by applications. The functions are listed

10139N/Aalphabetically here as an aid to <filename>libpng</filename> maintainers.

10139N/ASee <filename>png.h</filename> for more information about these functions.

10139N/A</para>

10139N/A</refsect1>

10139N/A<refsect1 id="libpngpf-3-attr"><title>&attr-tt;</title>

10139N/A<para>See <olink targetdocent="REFMAN5" localinfo="attributes-5"><citerefentry>

10139N/A<refentrytitle>attributes</refentrytitle><manvolnum>5</manvolnum></citerefentry></olink>

10139N/Afor descriptions of the following attributes:</para>

10139N/A<informaltable frame="all">

10139N/A<tgroup cols="2" colsep="1" rowsep="1"><colspec colname="COLSPEC0" colwidth="1*">

10139N/A<colspec colname="COLSPEC1" colwidth="1*">

10139N/A<thead>

10139N/A<row><entry align="center" valign="middle">ATTRIBUTE TYPE</entry><entry align="center"

10139N/Avalign="middle">ATTRIBUTE VALUE</entry></row>

10139N/A</thead>

10139N/A<tbody>

10139N/A<row><entry><para>Availability</para></entry><entry><para>SUNWpng</para></entry>

10139N/A</row>

10139N/A<row><entry colname="COLSPEC0"><para>Interface stability</para></entry><entry

13623N/Acolname="COLSPEC1"><para>Uncommitted</para></entry></row>

10139N/A</tbody>

10139N/A</tgroup>

10139N/A</informaltable>

10139N/A</refsect1>

10139N/A<refsect1 id="libpngpf-3-also"><title>&also-tt;</title>

11904N/A<para>

11904N/A<citerefentry><refentrytitle>libpng</refentrytitle><manvolnum>3</manvolnum></citerefentry>,

11904N/A<citerefentry><refentrytitle>png</refentrytitle><manvolnum>4</manvolnum></citerefentry>,

11904N/A<citerefentry><refentrytitle>attributes</refentrytitle><manvolnum>5</manvolnum></citerefentry>

11904N/A</para>

10139N/A</refsect1>

10139N/A<refsect1 id="libpngpf-3-note"><title>&note-tt;</title>

10139N/A<para>This man page was originally written by Glenn Randers-Pehrson. Updated

10139N/Aby Breda McColgan, Sun Microsystems Inc., 2004.</para>

10139N/A</refsect1>

10139N/A</refentry>