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Line 124... Line 124...
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end if ;COLORSPACE || GAMMA
 124 
end if ;COLORSPACE || GAMMA
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struct png_struct
 126 
struct png_struct
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if PNG_SETJMP_SUPPORTED eq 1
 127 
if PNG_SETJMP_SUPPORTED eq 1
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	jmp_buf_local dd ? ;jmp_buf ;New name in 1.6.0 for jmp_buf in png_struct
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	jmp_buf_local rb 64 ;jmp_buf ;New name in 1.6.0 for jmp_buf in png_struct
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	longjmp_fn   dd ? ;png_longjmp_ptr ;setjmp non-local goto function.
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	longjmp_fn   dd ? ;png_longjmp_ptr ;setjmp non-local goto function.
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	jmp_buf_ptr  dd ? ;jmp_buf * ;passed to longjmp_fn
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	jmp_buf_ptr  dd ? ;jmp_buf * ;passed to longjmp_fn
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	jmp_buf_size dd ? ;size_t ;size of the above, if allocated
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	jmp_buf_size dd ? ;size_t ;size of the above, if allocated
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end if
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end if
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	error_fn dd ? ;png_error_ptr ;function for printing errors and aborting
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	error_fn dd ? ;png_error_ptr ;function for printing errors and aborting
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if (PNG_READ_USER_TRANSFORM_SUPPORTED eq 1) | (PNG_WRITE_USER_TRANSFORM_SUPPORTED eq 1)
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if (PNG_READ_USER_TRANSFORM_SUPPORTED eq 1) | (PNG_WRITE_USER_TRANSFORM_SUPPORTED eq 1)
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	user_transform_ptr dd ? ;voidp ;user supplied struct for user transform
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	user_transform_ptr dd ? ;voidp ;user supplied struct for user transform
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	user_transform_depth db ? ;byte ;bit depth of user transformed pixels
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	user_transform_depth db ? ;byte ;bit depth of user transformed pixels
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	user_transform_channels db ? ;byte ;channels in user transformed pixels
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	user_transform_channels db ? ;byte ;channels in user transformed pixels
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end if
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	rb 2 ;align
- 
 
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end if
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end if
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end if
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	mode  dd ? ;uint_32 ;tells us where we are in the PNG file
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	mode  dd ? ;uint_32 ;tells us where we are in the PNG file
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	flags dd ? ;uint_32 ;flags indicating various things to libpng
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	flags dd ? ;uint_32 ;flags indicating various things to libpng
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	idat_size dd ? ;uint_32 ;current IDAT size for read
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	idat_size dd ? ;uint_32 ;current IDAT size for read
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	crc dd ? ;uint_32 ;current chunk CRC value
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	crc dd ? ;uint_32 ;current chunk CRC value
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	palette dd ? ;png_colorp ;palette from the input file
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	palette dd ? ;png_colorp ;palette from the input file
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	num_palette dw ? ;uint_16 ;number of color entries in palette
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	num_palette dw ? ;uint_16 ;number of color entries in palette
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 219 
	rb 2 ;align
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; Added at libpng-1.5.10
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; Added at libpng-1.5.10
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if PNG_CHECK_FOR_INVALID_INDEX_SUPPORTED eq 1
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if PNG_CHECK_FOR_INVALID_INDEX_SUPPORTED eq 1
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	num_palette_max dd ? ;int ;maximum palette index found in IDAT
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	num_palette_max dd ? ;int ;maximum palette index found in IDAT
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end if
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end if
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	usr_channels db ? ;byte ;channels at start of write: write only
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	usr_channels db ? ;byte ;channels at start of write: write only
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	sig_bytes    db ? ;byte ;magic bytes read/written from start of file
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	sig_bytes    db ? ;byte ;magic bytes read/written from start of file
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	maximum_pixel_depth db ? ;byte ;pixel depth used for the row buffers
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	maximum_pixel_depth db ? ;byte ;pixel depth used for the row buffers
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	transformed_pixel_depth db ? ;byte ;pixel depth after read/write transforms
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	transformed_pixel_depth db ? ;byte ;pixel depth after read/write transforms
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;#if PNG_ZLIB_VERNUM >= 0x1240
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;if PNG_ZLIB_VERNUM >= 0x1240
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	zstream_start db ? ;byte ;at start of an input zlib stream
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	;zstream_start db 1 ;byte ;at start of an input zlib stream
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;end if /* Zlib >= 1.2.4 */
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;end if ;Zlib >= 1.2.4
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if (PNG_READ_FILLER_SUPPORTED eq 1) | (PNG_WRITE_FILLER_SUPPORTED eq 1)
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if (PNG_READ_FILLER_SUPPORTED eq 1) | (PNG_WRITE_FILLER_SUPPORTED eq 1)
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	filler dw ? ;uint_16 ; filler bytes for pixel expansion
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	filler dw ? ;uint_16 ;filler bytes for pixel expansion
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end if
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end if
245 
 
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if (PNG_bKGD_SUPPORTED eq 1) | (PNG_READ_BACKGROUND_SUPPORTED eq 1) | \
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if (PNG_bKGD_SUPPORTED eq 1) | (PNG_READ_BACKGROUND_SUPPORTED eq 1) | \
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	(PNG_READ_ALPHA_MODE_SUPPORTED eq 1)
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	(PNG_READ_ALPHA_MODE_SUPPORTED eq 1)
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	background_gamma_type db ? ;byte
 249 
	background_gamma_type db ? ;byte
- 
 
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	rb 1 ;align
249 
	background_gamma dd ? ;png_fixed_point
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	background_gamma dd ? ;png_fixed_point
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	background png_color_16 ;background color in screen gamma space
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	background png_color_16 ;background color in screen gamma space
- 
 
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	rb 1 ;align
251 
if PNG_READ_GAMMA_SUPPORTED eq 1
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if PNG_READ_GAMMA_SUPPORTED eq 1
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	background_1 png_color_16 ;background normalized to gamma 1.0
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	background_1 png_color_16 ;background normalized to gamma 1.0
- 
 
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	rb 1 ;align
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end if
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end if
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end if ;bKGD
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end if ;bKGD
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 259 
 
256 
if PNG_WRITE_FLUSH_SUPPORTED eq 1
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if PNG_WRITE_FLUSH_SUPPORTED eq 1
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end if
 284 
end if
281 
 
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if (PNG_READ_SHIFT_SUPPORTED eq 1) | (PNG_WRITE_SHIFT_SUPPORTED eq 1)
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if (PNG_READ_SHIFT_SUPPORTED eq 1) | (PNG_WRITE_SHIFT_SUPPORTED eq 1)
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	shift   png_color_8 ;shift for significant bit tranformation
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	shift   png_color_8 ;shift for significant bit tranformation
- 
 
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	rb 2 ;align
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end if
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end if
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if (PNG_tRNS_SUPPORTED eq 1) | (PNG_READ_BACKGROUND_SUPPORTED eq 1) \
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if (PNG_tRNS_SUPPORTED eq 1) | (PNG_READ_BACKGROUND_SUPPORTED eq 1) \
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	| (PNG_READ_EXPAND_SUPPORTED eq 1) | (PNG_READ_BACKGROUND_SUPPORTED eq 1)
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	| (PNG_READ_EXPAND_SUPPORTED eq 1) | (PNG_READ_BACKGROUND_SUPPORTED eq 1)
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	trans_alpha dd ? ;bytep ;alpha values for paletted files
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	trans_alpha dd ? ;bytep ;alpha values for paletted files
- 
 
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	trans_color png_color_16 ;transparent color for non-paletted files
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	trans_color png_color_16 ;transparent color for non-paletted files
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	rb 3 ;align
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end if
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end if
291 
 
 297 
 
292 
	read_row_fn  dd ? ;png_read_status_ptr ;called after each row is decoded
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	read_row_fn  dd ? ;png_read_status_ptr ;called after each row is decoded
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;#if PNG_LIBPNG_VER < 10700
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;#if PNG_LIBPNG_VER < 10700
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; To do: remove this from libpng-1.7
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; To do: remove this from libpng-1.7
325 
if PNG_TIME_RFC1123_SUPPORTED eq 1
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if PNG_TIME_RFC1123_SUPPORTED eq 1
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	time_buffer rb 29 ;char[29] ;String to hold RFC 1123 time text
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	time_buffer rb 29 ;char[29] ;String to hold RFC 1123 time text
- 
 
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	rb 2 ;align
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end if
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end if
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;end if
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;end if
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	; These were changed from byte in libpng-1.0.6
 360 
	; These were changed from byte in libpng-1.0.6
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	rgb_to_gray_red_coeff   dw ? ;uint_16
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	rgb_to_gray_red_coeff   dw ? ;uint_16
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	rgb_to_gray_green_coeff dw ? ;uint_16
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	rgb_to_gray_green_coeff dw ? ;uint_16
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	; deleted in 1.5.5: rgb_to_gray_blue_coeff;
 363 
	; deleted in 1.5.5: rgb_to_gray_blue_coeff;
357 
end if
 364 
	rb 2 ;align
- 
 
 365 
end if
358 
 
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if PNG_MNG_FEATURES_SUPPORTED eq 1
 367 
if PNG_MNG_FEATURES_SUPPORTED eq 1
360 
; New member added in libpng-1.0.4 (renamed in 1.0.9)
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; New member added in libpng-1.0.4 (renamed in 1.0.9)
361 
; Changed from byte to uint_32 at version 1.2.0
 369 
; Changed from byte to uint_32 at version 1.2.0
362 
	mng_features_permitted dd ? ;uint_32
 370 
	mng_features_permitted dd ? ;uint_32
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 371 
 
364 
; New member added in libpng-1.0.9, ifdef'ed out in 1.0.12, enabled in 1.2.0
 372 
; New member added in libpng-1.0.9, ifdef'ed out in 1.0.12, enabled in 1.2.0
- 
 
 373 
	filter_type db ? ;byte
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	filter_type db ? ;byte
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	rb 3 ;align
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end if
 375 
end if
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 376 
 
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end if
 394 
end if
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 395 
 
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; New members added in libpng-1.0.16 and 1.2.6
 396 
; New members added in libpng-1.0.16 and 1.2.6
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	compression_type db ? ;byte
 397 
	compression_type db ? ;byte
- 
 
 398 
	rb 3 ;align
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 399 
 
390 
if PNG_USER_LIMITS_SUPPORTED eq 1
 400 
if PNG_USER_LIMITS_SUPPORTED eq 1
391 
	user_width_max dd ? ;uint_32
 401 
	user_width_max dd ? ;uint_32
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if PNG_READ_UNKNOWN_CHUNKS_SUPPORTED eq 1
 416 
if PNG_READ_UNKNOWN_CHUNKS_SUPPORTED eq 1
407 
	; Temporary storage for unknown chunk that the library doesn't recognize,
 417 
	; Temporary storage for unknown chunk that the library doesn't recognize,
408 
	; used while reading the chunk.
 418 
	; used while reading the chunk.
409 
 
 419 
 
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410 
;   png_unknown_chunk unknown_chunk;
 420 
	unknown_chunk png_unknown_chunk
- 
 
 421 
	rb 3 ;align
411 
end if
 422 
end if
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 423 
 
413 
; New member added in libpng-1.2.26
 424 
; New member added in libpng-1.2.26
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	; New member added in libpng-1.5.6
 441 
	; New member added in libpng-1.5.6
431 
	big_prev_row dd ? ;bytep
 442 
	big_prev_row dd ? ;bytep
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432 
 
 443 
 
433 
; New member added in libpng-1.5.7
 444 
	; New member added in libpng-1.5.7
434 
;   void (*read_filter[PNG_FILTER_VALUE_LAST-1])(png_row_infop row_info,
 - 
 
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435 
;      bytep row, bytep prev_row);
 445 
	read_filter rd PNG_FILTER_VALUE_LAST-1
436 
 
 446 
 
437 
if PNG_READ_SUPPORTED eq 1
 447 
if PNG_READ_SUPPORTED eq 1
438 
if (PNG_COLORSPACE_SUPPORTED eq 1) | (PNG_GAMMA_SUPPORTED eq 1)
 448 
if (PNG_COLORSPACE_SUPPORTED eq 1) | (PNG_GAMMA_SUPPORTED eq 1)