diff options
Diffstat (limited to 'tqtinterface/qt4/src/3rdparty/libpng/scripts/pngdef.pas')
| -rw-r--r-- | tqtinterface/qt4/src/3rdparty/libpng/scripts/pngdef.pas | 795 |
1 files changed, 795 insertions, 0 deletions
diff --git a/tqtinterface/qt4/src/3rdparty/libpng/scripts/pngdef.pas b/tqtinterface/qt4/src/3rdparty/libpng/scripts/pngdef.pas new file mode 100644 index 0000000..2ac50c8 --- /dev/null +++ b/tqtinterface/qt4/src/3rdparty/libpng/scripts/pngdef.pas @@ -0,0 +1,795 @@ +unit pngdef; + +// Caution: this file has fallen out of date since version 1.0.5. Write to +// png-implement@ccrc.wustl.edu or to randeg@alum.rpi.edu about volunteering +// to it up to date. + +interface + +const + PNG_LIBPNG_VER_STRING = '1.2.5'; + PNG_LIBPNG_VER = 10205; + +type + png_uint_32 = Cardinal; + png_int_32 = Longint; + png_uint_16 = Word; + png_int_16 = Smallint; + png_byte = Byte; + png_size_t = png_uint_32; + png_charpp = ^png_charp; + png_charp = PChar; + float = single; + int = Integer; + png_bytepp = ^png_bytep; + png_bytep = ^png_byte; + png_uint_16p = ^png_uint_16; + png_uint_16pp = ^png_uint_16p; + png_voidp = pointer; + time_t = Longint; + png_doublep = ^png_double; + png_double = double; + + user_error_ptr = Pointer; + png_error_ptrp = ^png_error_ptr; + png_error_ptr = procedure(png_ptr: Pointer; msg: Pointer); + stdcall; + png_rw_ptrp = ^png_rw_ptr; + png_rw_ptr = procedure(png_ptr: Pointer; data: Pointer; + length: png_size_t); + stdcall; + png_flush_ptrp = ^png_flush_ptr; + png_flush_ptr = procedure(png_ptr: Pointer); + stdcall; + png_progressive_info_ptrp = ^png_progressive_info_ptr; + png_progressive_info_ptr = procedure(png_ptr: Pointer; + info_ptr: Pointer); + stdcall; + png_progressive_end_ptrp = ^png_progressive_end_ptr; + png_progressive_end_ptr = procedure(png_ptr: Pointer; + info_ptr: Pointer); + stdcall; + png_progressive_row_ptrp = ^png_progressive_row_ptr; + png_progressive_row_ptr = procedure(png_ptr: Pointer; + data: Pointer; length: png_uint_32; + count: int); + stdcall; + png_read_status_ptr = procedure(png_ptr: Pointer; + row_number: png_uint_32; pass: int); + stdcall; + png_write_status_ptr = procedure(png_ptr: Pointer; + row_number: png_uint_32; pass: int); + stdcall; + png_user_chunk_ptr = procedure(png_ptr: Pointer; + data: png_unknown_chunkp); + stdcall; + png_user_transform_ptr = procedure(png_ptr: Pointer; + row_info: Pointer; data: png_bytep); + stdcall; + + png_colorpp = ^png_colorp; + png_colorp = ^png_color; + png_color = packed record + red, green, blue: png_byte; + end; + + png_color_16pp = ^png_color_16p; + png_color_16p = ^png_color_16; + png_color_16 = packed record + index: png_byte; //used for palette files + red, green, blue: png_uint_16; //for use in red green blue files + gray: png_uint_16; //for use in grayscale files + end; + + png_color_8pp = ^png_color_8p; + png_color_8p = ^png_color_8; + png_color_8 = packed record + red, green, blue: png_byte; //for use in red green blue files + gray: png_byte; //for use in grayscale files + alpha: png_byte; //for alpha channel files + end; + + png_textpp = ^png_textp; + png_textp = ^png_text; + png_text = packed record + compression: int; //compression value + key: png_charp; //keyword, 1-79 character description of "text" + text: png_charp; //comment, may be empty ("") + text_length: png_size_t; //length of text field + end; + + png_timepp = ^png_timep; + png_timep = ^png_time; + png_time = packed record + year: png_uint_16; //yyyy + month: png_byte; //1..12 + day: png_byte; //1..31 + hour: png_byte; //0..23 + minute: png_byte; //0..59 + second: png_byte; //0..60 (leap seconds) + end; + + png_infopp = ^png_infop; + png_infop = Pointer; + + png_row_infopp = ^png_row_infop; + png_row_infop = ^png_row_info; + png_row_info = packed record + width: png_uint_32; //width of row + rowbytes: png_size_t; //number of bytes in row + color_type: png_byte; //color type of row + bit_depth: png_byte; //bit depth of row + channels: png_byte; //number of channels (1, 2, 3, or 4) + pixel_depth: png_byte; //bits per pixel (depth * channels) + end; + + png_structpp = ^png_structp; + png_structp = Pointer; + +const + +// Supported compression types for text in PNG files (tEXt, and zTXt). +// The values of the PNG_TEXT_COMPRESSION_ defines should NOT be changed. + + PNG_TEXT_COMPRESSION_NONE_WR = -3; + PNG_TEXT_COMPRESSION_zTXt_WR = -2; + PNG_TEXT_COMPRESSION_NONE = -1; + PNG_TEXT_COMPRESSION_zTXt = 0; + +// These describe the color_type field in png_info. +// color type masks + + PNG_COLOR_MASK_PALETTE = 1; + PNG_COLOR_MASK_COLOR = 2; + PNG_COLOR_MASK_ALPHA = 4; + +// color types. Note that not all combinations are legal + + PNG_COLOR_TYPE_GRAY = 0; + PNG_COLOR_TYPE_PALETTE = PNG_COLOR_MASK_COLOR or + PNG_COLOR_MASK_PALETTE; + PNG_COLOR_TYPE_RGB = PNG_COLOR_MASK_COLOR; + PNG_COLOR_TYPE_RGB_ALPHA = PNG_COLOR_MASK_COLOR or + PNG_COLOR_MASK_ALPHA; + PNG_COLOR_TYPE_GRAY_ALPHA = PNG_COLOR_MASK_ALPHA; + +// This is for compression type. PNG 1.0 only defines the single type. + + PNG_COMPRESSION_TYPE_BASE = 0; // Deflate method 8, 32K window + PNG_COMPRESSION_TYPE_DEFAULT = PNG_COMPRESSION_TYPE_BASE; + +// This is for filter type. PNG 1.0 only defines the single type. + + PNG_FILTER_TYPE_BASE = 0; // Single row per-byte filtering + PNG_FILTER_TYPE_DEFAULT = PNG_FILTER_TYPE_BASE; + +// These are for the interlacing type. These values should NOT be changed. + + PNG_INTERLACE_NONE = 0; // Non-interlaced image + PNG_INTERLACE_ADAM7 = 1; // Adam7 interlacing + +// These are for the oFFs chunk. These values should NOT be changed. + + PNG_OFFSET_PIXEL = 0; // Offset in pixels + PNG_OFFSET_MICROMETER = 1; // Offset in micrometers (1/10^6 meter) + +// These are for the pCAL chunk. These values should NOT be changed. + + PNG_EQUATION_LINEAR = 0; // Linear transformation + PNG_EQUATION_BASE_E = 1; // Exponential base e transform + PNG_EQUATION_ARBITRARY = 2; // Arbitrary base exponential transform + PNG_EQUATION_HYPERBOLIC = 3; // Hyperbolic sine transformation + +// These are for the pHYs chunk. These values should NOT be changed. + + PNG_RESOLUTION_UNKNOWN = 0; // pixels/unknown unit (aspect ratio) + PNG_RESOLUTION_METER = 1; // pixels/meter + +// These are for the sRGB chunk. These values should NOT be changed. + PNG_sRGB_INTENT_PERCEPTUAL = 0; + PNG_sRGB_INTENT_RELATIVE = 1; + PNG_sRGB_INTENT_SATURATION = 2; + PNG_sRGB_INTENT_ABSOLUTE = 3; + +// Handle alpha and tRNS by replacing with a background color. + PNG_BACKGROUND_GAMMA_UNKNOWN = 0; + PNG_BACKGROUND_GAMMA_SCREEN = 1; + PNG_BACKGROUND_GAMMA_FILE = 2; + PNG_BACKGROUND_GAMMA_UNIQUE = 3; + +// 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 +// therein. Note that it is impossible to "discard" data in a critical +// chunk. For versions prior to 0.90, the action was always error/quit, +// whereas in version 0.90 and later, the action for CRC errors in ancillary +// chunks is warn/discard. These values should NOT be changed. + +// value action:critical action:ancillary + + PNG_CRC_DEFAULT = 0; // error/quit warn/discard data + PNG_CRC_ERROR_QUIT = 1; // error/quit error/quit + PNG_CRC_WARN_DISCARD = 2; // (INVALID) warn/discard data + PNG_CRC_WARN_USE = 3; // warn/use data warn/use data + PNG_CRC_QUIET_USE = 4; // quiet/use data quiet/use data + PNG_CRC_NO_CHANGE = 5; // use current value use current value + +// 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 +// below, in case they are supplied instead of the #defined constants. +// These values should NOT be changed. + + PNG_NO_FILTERS = $00; + PNG_FILTER_NONE = $08; + PNG_FILTER_SUB = $10; + PNG_FILTER_UP = $20; + PNG_FILTER_AVG = $40; + PNG_FILTER_PAETH = $80; + PNG_ALL_FILTERS = PNG_FILTER_NONE or PNG_FILTER_SUB or + PNG_FILTER_UP or PNG_FILTER_AVG or + PNG_FILTER_PAETH; + +// Filter values (not flags) - used in pngwrite.c, pngwutil.c for now. +// These defines should NOT be changed. + + PNG_FILTER_VALUE_NONE = 0; + PNG_FILTER_VALUE_SUB = 1; + PNG_FILTER_VALUE_UP = 2; + PNG_FILTER_VALUE_AVG = 3; + PNG_FILTER_VALUE_PAETH = 4; + +// Heuristic used for row filter selection. These defines should NOT be +// changed. + + PNG_FILTER_HEURISTIC_DEFAULT = 0; // Currently "UNWEIGHTED" + PNG_FILTER_HEURISTIC_UNWEIGHTED = 1; // Used by libpng < 0.95 + PNG_FILTER_HEURISTIC_WEIGHTED = 2; // Experimental feature + PNG_FILTER_HEURISTIC_LAST = 3; // Not a valid value + +procedure png_build_grayscale_palette(bit_depth: int; palette: png_colorp); + stdcall; +function png_check_sig(sig: png_bytep; num: int): int; + stdcall; +procedure png_chunk_error(png_ptr: png_structp; + const mess: png_charp); + stdcall; +procedure png_chunk_warning(png_ptr: png_structp; + const mess: png_charp); + stdcall; +procedure png_convert_from_time_t(ptime: png_timep; ttime: time_t); + stdcall; +function png_convert_to_rfc1123(png_ptr: png_structp; ptime: png_timep): + png_charp; + stdcall; +function png_create_info_struct(png_ptr: png_structp): png_infop; + stdcall; +function png_create_read_struct(user_png_ver: png_charp; + error_ptr: user_error_ptr; error_fn: png_error_ptr; + warn_fn: png_error_ptr): png_structp; + stdcall; +function png_get_copyright(png_ptr: png_structp): png_charp; + stdcall; +function png_get_header_ver(png_ptr: png_structp): png_charp; + stdcall; +function png_get_header_version(png_ptr: png_structp): png_charp; + stdcall; +function png_get_libpng_ver(png_ptr: png_structp): png_charp; + stdcall; +function png_create_write_struct(user_png_ver: png_charp; + error_ptr: user_error_ptr; error_fn: png_error_ptr; + warn_fn: png_error_ptr): png_structp; + stdcall; +procedure png_destroy_info_struct(png_ptr: png_structp; + info_ptr_ptr: png_infopp); + stdcall; +procedure png_destroy_read_struct(png_ptr_ptr: png_structpp; + info_ptr_ptr, end_info_ptr_ptr: png_infopp); + stdcall; +procedure png_destroy_write_struct(png_ptr_ptr: png_structpp; + info_ptr_ptr: png_infopp); + stdcall; +function png_get_IHDR(png_ptr: png_structp; info_ptr: png_infop; + var width, height: png_uint_32; var bit_depth, + color_type, interlace_type, compression_type, + filter_type: int): png_uint_32; + stdcall; +function png_get_PLTE(png_ptr: png_structp; info_ptr: png_infop; + var palette: png_colorp; var num_palette: int): + png_uint_32; + stdcall; +function png_get_bKGD(png_ptr: png_structp; info_ptr: png_infop; + var background: png_color_16p): png_uint_32; + stdcall; +function png_get_bit_depth(png_ptr: png_structp; info_ptr: png_infop): + png_byte; + stdcall; +function png_get_cHRM(png_ptr: png_structp; info_ptr: png_infop; + var white_x, white_y, red_x, red_y, green_x, green_y, + blue_x, blue_y: double): png_uint_32; + stdcall; +function png_get_channels(png_ptr: png_structp; info_ptr: png_infop): + png_byte; + stdcall; +function png_get_color_type(png_ptr: png_structp; info_ptr: png_infop): + png_byte; + stdcall; +function png_get_compression_type(png_ptr: png_structp; + info_ptr: png_infop): png_byte; + stdcall; +function png_get_error_ptr(png_ptr: png_structp): png_voidp; + stdcall; +function png_get_filter_type(png_ptr: png_structp; info_ptr: png_infop): + png_byte; + stdcall; +function png_get_gAMA(png_ptr: png_structp; info_ptr: png_infop; + var file_gamma: double): png_uint_32; + stdcall; +function png_get_hIST(png_ptr: png_structp; info_ptr: png_infop; + var hist: png_uint_16p): png_uint_32; + stdcall; +function png_get_image_height(png_ptr: png_structp; info_ptr: png_infop): + png_uint_32; + stdcall; +function png_get_image_width(png_ptr: png_structp; info_ptr: png_infop): + png_uint_32; + stdcall; +function png_get_interlace_type(png_ptr: png_structp; + info_ptr: png_infop): png_byte; + stdcall; +function png_get_io_ptr(png_ptr: png_structp): png_voidp; + stdcall; +function png_get_oFFs(png_ptr: png_structp; info_ptr: png_infop; + var offset_x, offset_y: png_uint_32; + var unit_type: int): png_uint_32; + stdcall; +function png_get_sCAL(png_ptr: png_structp; info_ptr: png_infop; + var unit:int; var width: png_uint_32; height: png_uint_32): + png_uint_32; + stdcall +function png_get_pCAL(png_ptr: png_structp; info_ptr: png_infop; + var purpose: png_charp; var X0, X1: png_int_32; + var typ, nparams: int; var units: png_charp; + var params: png_charpp): png_uint_32; + stdcall; +function png_get_pHYs(png_ptr: png_structp; info_ptr: png_infop; + var res_x, res_y: png_uint_32; var unit_type: int): + png_uint_32; + stdcall; +function png_get_pixel_aspect_ratio(png_ptr: png_structp; + info_ptr: png_infop): float; + stdcall; +function png_get_pixels_per_meter(png_ptr: png_structp; + info_ptr: png_infop): png_uint_32; + stdcall; +function png_get_progressive_ptr(png_ptr: png_structp): png_voidp; + stdcall; +function png_get_rgb_to_gray_status(png_ptr: png_structp); + stdcall; +function png_get_rowbytes(png_ptr: png_structp; info_ptr: png_infop): + png_uint_32; + stdcall; +function png_get_rows(png_ptr: png_structp; info_ptr: png_infop): + png_bytepp; + stdcall; +function png_get_sBIT(png_ptr: png_structp; info_ptr: png_infop; + var sig_bits: png_color_8p): png_uint_32; + stdcall; +function png_get_sRGB(png_ptr: png_structp; info_ptr: png_infop; + var file_srgb_intent: int): png_uint_32; + stdcall; +function png_get_signature(png_ptr: png_structp; info_ptr: png_infop): + png_bytep; + stdcall; +function png_get_tIME(png_ptr: png_structp; info_ptr: png_infop; + var mod_time: png_timep): png_uint_32; + stdcall; +function png_get_tRNS(png_ptr: png_structp; info_ptr: png_infop; + var trans: png_bytep; var num_trans: int; + var trans_values: png_color_16p): png_uint_32; + stdcall; +function png_get_text(png_ptr: png_structp; info_ptr: png_infop; + var text_ptr: png_textp; var num_text: int): + png_uint_32; + stdcall; +function png_get_user_chunk_ptr(png_ptr: png_structp): + png_voidp; + stdcall; +function png_get_valid(png_ptr: png_structp; info_ptr: png_infop; + flag: png_uint_32): png_uint_32; + stdcall; +function png_get_x_offset_microns(png_ptr: png_structp; + info_ptr: png_infop): png_uint_32; + stdcall; +function png_get_x_offset_pixels(png_ptr: png_structp; + info_ptr: png_infop): png_uint_32; + stdcall; +function png_get_x_pixels_per_meter(png_ptr: png_structp; + info_ptr: png_infop): png_uint_32; + stdcall; +function png_get_y_offset_microns(png_ptr: png_structp; + info_ptr: png_infop): png_uint_32; + stdcall; +function png_get_y_offset_pixels(png_ptr: png_structp; + info_ptr: png_infop): png_uint_32; + stdcall; +function png_get_y_pixels_per_meter(png_ptr: png_structp; + info_ptr: png_infop): png_uint_32; + stdcall; +procedure png_process_data(png_ptr: png_structp; info_ptr: png_infop; + buffer: png_bytep; buffer_size: png_size_t); + stdcall; +procedure png_progressive_combine_row(png_ptr: png_structp; + old_row, new_row: png_bytep); + stdcall; +procedure png_read_end(png_ptr: png_structp; info_ptr: png_infop); + stdcall; +procedure png_read_image(png_ptr: png_structp; image: png_bytepp); + stdcall; +procedure png_read_info(png_ptr: png_structp; info_ptr: png_infop); + stdcall; +procedure png_read_row(png_ptr: png_structp; row, dsp_row: png_bytep); + stdcall; +procedure png_read_rows(png_ptr: png_structp; row, display_row: + png_bytepp; num_rows: png_uint_32); + stdcall; +procedure png_read_update_info(png_ptr: png_structp; info_ptr: png_infop); + stdcall; +procedure png_set_IHDR(png_ptr: png_structp; info_ptr: png_infop; + width, height: png_uint_32; bit_depth, color_type, + interlace_type, compression_type, filter_type: int); + stdcall; +procedure png_set_PLTE(png_ptr: png_structp; info_ptr: png_infop; + palette: png_colorp; num_palette: int); + stdcall; +procedure png_set_bKGD(png_ptr: png_structp; info_ptr: png_infop; + background: png_color_16p); + stdcall; +procedure png_set_background(png_ptr: png_structp; + background_color: png_color_16p; + background_gamma_code, need_expand: int; + background_gamma: double); + stdcall; +procedure png_set_bgr(png_ptr: png_structp); + stdcall; +procedure png_set_cHRM(png_ptr: png_structp; info_ptr: png_infop; + white_x, white_y, red_x, red_y, green_x, green_y, + blue_x, blue_y: double); + stdcall; +procedure png_set_cHRM_fixed(png_ptr: png_structp; info_ptr: png_infop; + white_x, white_y, red_x, red_y, green_x, green_y, + blue_x, blue_y: png_fixed_point); + stdcall; +procedure png_set_compression_level(png_ptr: png_structp; level: int); + stdcall; +procedure png_set_compression_mem_level(png_ptr: png_structp; + mem_level: int); + stdcall; +procedure png_set_compression_method(png_ptr: png_structp; method: int); + stdcall; +procedure png_set_compression_strategy(png_ptr: png_structp; + strategy: int); + stdcall; +procedure png_set_compression_window_bits(png_ptr: png_structp; + window_bits: int); + stdcall; +procedure png_set_crc_action(png_ptr: png_structp; + crit_action, ancil_action: int); + stdcall; +procedure png_set_dither(png_ptr: png_structp; plaette: png_colorp; + num_palette, maximum_colors: int; + histogram: png_uint_16p; full_dither: int); + stdcall; +procedure png_set_error_fn(png_ptr: png_structp; error_ptr: png_voidp; + error_fn, warning_fn: png_error_ptr); + stdcall; +procedure png_set_expand(png_ptr: png_structp); + stdcall; +procedure png_set_filler(png_ptr: png_structp; filler: png_uint_32; + filler_loc: int); + stdcall; +procedure png_set_filter(png_ptr: png_structp; method, filters: int); + stdcall; +procedure png_set_filter_heuristics(png_ptr: png_structp; + heuristic_method, num_weights: int; + filter_weights, filter_costs: png_doublep); + stdcall; +procedure png_set_flush(png_ptr: png_structp; nrows: int); + stdcall; +procedure png_set_gAMA(png_ptr: png_structp; info_ptr: png_infop; + file_gamma: double); + stdcall; +procedure png_set_gAMA_fixed(png_ptr: png_structp; info_ptr: png_infop; + file_gamma: png_fixed_point); + stdcall; +procedure png_set_gamma(png_ptr: png_structp; screen_gamma, + default_file_gamma: double); + stdcall; +procedure png_set_gray_1_2_4_to_8(png_ptr: png_structp); + stdcall; +procedure png_set_gray_to_rgb(png_ptr: png_structp); + stdcall; +procedure png_set_hIST(png_ptr: png_structp; info_ptr: png_infop; + hist: png_uint_16p); + stdcall; +function png_set_interlace_handling(png_ptr: png_structp): int; + stdcall; +procedure png_set_invalid(png_ptr: png_structp; info_ptr:png_infop; + tqmask: int); + stdcall; +procedure png_set_invert_alpha(png_ptr: png_structp); + stdcall; +procedure png_set_invert_mono(png_ptr: png_structp); + stdcall; +procedure png_set_oFFs(png_ptr: png_structp; info_ptr: png_infop; + offset_x, offset_y: png_uint_32; unit_type: int); + stdcall; +procedure png_set_palette_to_rgb(png_ptr: png_structp); + stdcall; +procedure png_set_pCAL(png_ptr: png_structp; info_ptr: png_infop; + purpose: png_charp; X0, X1: png_int_32; + typ, nparams: int; units: png_charp; + params: png_charpp); + stdcall; +procedure png_set_pHYs(png_ptr: png_structp; info_ptr: png_infop; + res_x, res_y: png_uint_32; unit_type: int); + stdcall; +procedure png_set_packing(png_ptr: png_structp); + stdcall; +procedure png_set_packswap(png_ptr: png_structp); + stdcall; +procedure png_set_progressive_read_fn(png_ptr: png_structp; + progressive_ptr: png_voidp; + info_fn: png_progressive_info_ptr; + row_fn: png_progressive_row_ptr; + end_fn: png_progressive_end_ptr); + stdcall; +procedure png_set_read_fn(png_ptr: png_structp; + io_ptr: png_voidp; read_data_fn: png_rw_ptr); + stdcall; +procedure png_set_read_status_fn(png_ptr: png_structp; + read_row_fn: png_read_status_ptr); + stdcall; +procedure png_set_read_user_chunk_fn(png_ptr: png_structp; + read_user_chunk_fn: png_user_chunk_ptr); + stdcall; +procedure png_set_read_user_transform_fn(png_ptr: png_structp; + read_user_transform_fn: png_user_transform_ptr); + stdcall; +procedure png_set_rgb_to_gray(png_ptr: png_structp; int: error_action; + red_weight, green_weight: double); + stdcall; +procedure png_set_rgb_to_gray_fixed(png_ptr: png_structp; int: error_action; + red_weight, green_weight: png_fixed_point); + stdcall; +procedure png_set_rows(png_ptr: png_structp; info_ptr: png_infop; + row_pointers: png_bytepp); + stdcall; +procedure png_set_sBIT(png_ptr: png_structp; info_ptr: png_infop; + sig_bits: png_color_8p); + stdcall; +procedure png_set_sRGB(png_ptr: png_structp; info_ptr: png_infop; + intent: int); + stdcall; +procedure png_set_sRGB_gAMA_and_cHRM(png_ptr: png_structp; + info_ptr: png_infop; intent: int); + stdcall; +procedure png_set_shift(png_ptr: png_structp; true_bits: png_color_8p); + stdcall; +procedure png_set_sig_bytes(png_ptr: png_structp; num_bytes: int); + stdcall; +procedure png_set_strip_16(png_ptr: png_structp); + stdcall; +procedure png_set_strip_alpha(png_ptr: png_structp); + stdcall; +procedure png_set_swap(png_ptr: png_structp); + stdcall; +procedure png_set_swap_alpha(png_ptr: png_structp); + stdcall; +procedure png_set_tIME(png_ptr: png_structp; info_ptr: png_infop; + mod_time: png_timep); + stdcall; +procedure png_set_tRNS(png_ptr: png_structp; info_ptr: png_infop; + trans: png_bytep; num_trans: int; + trans_values: png_color_16p); + stdcall; +procedure png_set_tRNS_to_alpha(png_ptr: png_structp); + stdcall; +procedure png_set_text(png_ptr: png_structp; info_ptr: png_infop; + text_ptr: png_textp; num_text: int); + stdcall; +procedure png_set_write_fn(png_ptr: png_structp; + io_ptr: png_voidp; write_data_fn: png_rw_ptr; + output_flush_fn: png_flush_ptr); + stdcall; +procedure png_set_write_status_fn(png_ptr: png_structp; + write_row_fn: png_write_status_ptr); + stdcall; +procedure png_set_write_user_transform_fn(png_ptr: png_structp; + write_user_transform_fn: png_user_transform_ptr); + stdcall; +function png_sig_cmp(sig: png_bytep; start, num_to_check: png_size_t): + int; + stdcall; +procedure png_start_read_image(png_ptr: png_structp); + stdcall; +procedure png_write_chunk(png_ptr: png_structp; + chunk_name, data: png_bytep; length: png_size_t); + stdcall; +procedure png_write_chunk_data(png_ptr: png_structp; + data: png_bytep; length: png_size_t); + stdcall; +procedure png_write_chunk_end(png_ptr: png_structp); + stdcall; +procedure png_write_chunk_start(png_ptr: png_structp; + chunk_name: png_bytep; length: png_uint_32); + stdcall; +procedure png_write_end(png_ptr: png_structp; info_ptr: png_infop); + stdcall; +procedure png_write_flush(png_ptr: png_structp); + stdcall; +procedure png_write_image(png_ptr: png_structp; image: png_bytepp); + stdcall; +procedure png_write_info(png_ptr: png_structp; info_ptr: png_infop); + stdcall; +procedure png_write_info_before_PLTE(png_ptr: png_structp; info_ptr: png_infop); + stdcall; +procedure png_write_row(png_ptr: png_structp; row: png_bytep); + stdcall; +procedure png_write_rows(png_ptr: png_structp; row: png_bytepp; + num_rows: png_uint_32); + stdcall; +procedure png_get_iCCP(png_ptr: png_structp; info_ptr: png_infop; + name: png_charpp; compression_type: int *; profile: png_charpp; + proflen: png_int_32): png_bytep; + stdcall; +procedure png_get_sPLT(png_ptr: png_structp; + info_ptr: png_infop; entries: png_spalette_pp): png_uint_32; + stdcall; +procedure png_set_iCCP(png_ptr: png_structp; info_ptr: png_infop; + name: png_charp; compression_type: int; profile: png_charp; + proflen: int); + stdcall; +procedure png_free_data(png_ptr: png_structp; info_ptr: png_infop; num: int); + stdcall; +procedure png_set_sPLT(png_ptr: png_structp; info_ptr: png_infop; + entries: png_spalette_p; nentries: int); + stdcall; + +implementation + +const + pngDLL = 'png32bd.dll'; + +procedure png_build_grayscale_palette; external pngDLL; +function png_check_sig; external pngDLL; +procedure png_chunk_error; external pngDLL; +procedure png_chunk_warning; external pngDLL; +procedure png_convert_from_time_t; external pngDLL; +function png_convert_to_rfc1123; external pngDLL; +function png_create_info_struct; external pngDLL; +function png_create_read_struct; external pngDLL; +function png_create_write_struct; external pngDLL; +procedure png_destroy_info_struct; external pngDLL; +procedure png_destroy_read_struct; external pngDLL; +procedure png_destroy_write_struct; external pngDLL; +function png_get_IHDR; external pngDLL; +function png_get_PLTE; external pngDLL; +function png_get_bKGD; external pngDLL; +function png_get_bit_depth; external pngDLL; +function png_get_cHRM; external pngDLL; +function png_get_channels; external pngDLL; +function png_get_color_type; external pngDLL; +function png_get_compression_type; external pngDLL; +function png_get_error_ptr; external pngDLL; +function png_get_filter_type; external pngDLL; +function png_get_gAMA; external pngDLL; +function png_get_hIST; external pngDLL; +function png_get_image_height; external pngDLL; +function png_get_image_width; external pngDLL; +function png_get_interlace_type; external pngDLL; +function png_get_io_ptr; external pngDLL; +function png_get_oFFs; external pngDLL; +function png_get_pCAL; external pngDLL; +function png_get_pHYs; external pngDLL; +function png_get_pixel_aspect_ratio; external pngDLL; +function png_get_pixels_per_meter; external pngDLL; +function png_get_progressive_ptr; external pngDLL; +function png_get_rowbytes; external pngDLL; +function png_get_rows; external pngDLL; +function png_get_sBIT; external pngDLL; +function png_get_sRGB; external pngDLL; +function png_get_signature; external pngDLL; +function png_get_tIME; external pngDLL; +function png_get_tRNS; external pngDLL; +function png_get_text; external pngDLL; +function png_get_user_chunk_ptr; external pngDLL; +function png_get_valid; external pngDLL; +function png_get_x_offset_microns; external pngDLL; +function png_get_x_offset_pixels; external pngDLL; +function png_get_x_pixels_per_meter; external pngDLL; +function png_get_y_offset_microns; external pngDLL; +function png_get_y_offset_pixels; external pngDLL; +function png_get_y_pixels_per_meter; external pngDLL; +procedure png_process_data; external pngDLL; +procedure png_progressive_combine_row; external pngDLL; +procedure png_read_end; external pngDLL; +procedure png_read_image; external pngDLL; +procedure png_read_info; external pngDLL; +procedure png_read_row; external pngDLL; +procedure png_read_rows; external pngDLL; +procedure png_read_update_info; external pngDLL; +procedure png_set_IHDR; external pngDLL; +procedure png_set_PLTE; external pngDLL; +procedure png_set_bKGD; external pngDLL; +procedure png_set_background; external pngDLL; +procedure png_set_bgr; external pngDLL; +procedure png_set_cHRM; external pngDLL; +procedure png_set_cHRM_fixed; external pngDLL; +procedure png_set_compression_level; external pngDLL; +procedure png_set_compression_mem_level; external pngDLL; +procedure png_set_compression_method; external pngDLL; +procedure png_set_compression_strategy; external pngDLL; +procedure png_set_compression_window_bits; external pngDLL; +procedure png_set_crc_action; external pngDLL; +procedure png_set_dither; external pngDLL; +procedure png_set_error_fn; external pngDLL; +procedure png_set_expand; external pngDLL; +procedure png_set_filler; external pngDLL; +procedure png_set_filter; external pngDLL; +procedure png_set_filter_heuristics; external pngDLL; +procedure png_set_flush; external pngDLL; +procedure png_set_gAMA; external pngDLL; +procedure png_set_gAMA_fixed; external pngDLL; +procedure png_set_gamma; external pngDLL; +procedure png_set_gray_to_rgb; external pngDLL; +procedure png_set_hIST; external pngDLL; +function png_set_interlace_handling; external pngDLL; +procedure png_set_invert_alpha; external pngDLL; +procedure png_set_invert_mono; external pngDLL; +procedure png_set_oFFs; external pngDLL; +procedure png_set_pCAL; external pngDLL; +procedure png_set_pHYs; external pngDLL; +procedure png_set_packing; external pngDLL; +procedure png_set_packswap; external pngDLL; +procedure png_set_progressive_read_fn; external pngDLL; +procedure png_set_read_fn; external pngDLL; +procedure png_set_read_status_fn; external pngDLL; +procedure png_set_read_user_transform_fn; external pngDLL; +procedure png_set_rgb_to_gray; external pngDLL; +procedure png_set_rgb_to_gray_fixed; external pngDLL; +procedure png_set_rows; external pngDLL; +procedure png_set_sBIT; external pngDLL; +procedure png_set_sRGB; external pngDLL; +procedure png_set_sRGB_gAMA_and_cHRM; external pngDLL; +procedure png_set_shift; external pngDLL; +procedure png_set_sig_bytes; external pngDLL; +procedure png_set_strip_16; external pngDLL; +procedure png_set_strip_alpha; external pngDLL; +procedure png_set_swap; external pngDLL; +procedure png_set_swap_alpha; external pngDLL; +procedure png_set_tIME; external pngDLL; +procedure png_set_tRNS; external pngDLL; +procedure png_set_text; external pngDLL; +procedure png_set_user_chunk_fn; external pngDLL; +procedure png_set_write_fn; external pngDLL; +procedure png_set_write_status_fn; external pngDLL; +procedure png_set_write_user_transform_fn; external pngDLL; +function png_sig_cmp; external pngDLL; +procedure png_start_read_image; external pngDLL; +procedure png_write_chunk; external pngDLL; +procedure png_write_chunk_data; external pngDLL; +procedure png_write_chunk_end; external pngDLL; +procedure png_write_chunk_start; external pngDLL; +procedure png_write_end; external pngDLL; +procedure png_write_flush; external pngDLL; +procedure png_write_image; external pngDLL; +procedure png_write_info; external pngDLL; +procedure png_write_info_before_PLTE; external pngDLL; +procedure png_write_row; external pngDLL; +procedure png_write_rows; external pngDLL; +procedure png_get_iCCP; external pngDLL; +procedure png_get_sPLT; external pngDLL; +procedure png_set_iCCP; external pngDLL; +procedure png_set_sPLT; external pngDLL; +procedure png_free_data; external pngDLL; + +end. |