pngget.c File Reference

#include "pngpriv.h"

Go to the source code of this file.

Functions
static png_fixed_point	png_fixed_inches_from_microns (png_structp png_ptr, png_int_32 microns)
png_byte PNGAPI	png_get_bit_depth (png_const_structp png_ptr, png_const_infop info_ptr)
png_uint_32 PNGAPI	png_get_bKGD (png_const_structp png_ptr, png_infop info_ptr, png_color_16p *background)
png_byte PNGAPI	png_get_channels (png_const_structp png_ptr, png_const_infop info_ptr)
png_uint_32 PNGAPI	png_get_cHRM (png_const_structp png_ptr, png_const_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)
png_uint_32 PNGAPI	png_get_cHRM_fixed (png_const_structp png_ptr, png_const_infop info_ptr, png_fixed_point *white_x, png_fixed_point *white_y, png_fixed_point *red_x, png_fixed_point *red_y, png_fixed_point *green_x, png_fixed_point *green_y, png_fixed_point *blue_x, png_fixed_point *blue_y)
png_uint_32 PNGAPI	png_get_cHRM_XYZ (png_structp png_ptr, png_const_infop info_ptr, double *red_X, double *red_Y, double *red_Z, double *green_X, double *green_Y, double *green_Z, double *blue_X, double *blue_Y, double *blue_Z)
png_uint_32 PNGFAPI	png_get_cHRM_XYZ_fixed (png_structp png_ptr, png_const_infop info_ptr, png_fixed_point *int_red_X, png_fixed_point *int_red_Y, png_fixed_point *int_red_Z, png_fixed_point *int_green_X, png_fixed_point *int_green_Y, png_fixed_point *int_green_Z, png_fixed_point *int_blue_X, png_fixed_point *int_blue_Y, png_fixed_point *int_blue_Z)
png_uint_32 PNGAPI	png_get_chunk_cache_max (png_const_structp png_ptr)
png_alloc_size_t PNGAPI	png_get_chunk_malloc_max (png_const_structp png_ptr)
png_byte PNGAPI	png_get_color_type (png_const_structp png_ptr, png_const_infop info_ptr)
png_size_t PNGAPI	png_get_compression_buffer_size (png_const_structp png_ptr)
png_byte PNGAPI	png_get_compression_type (png_const_structp png_ptr, png_const_infop info_ptr)
png_byte PNGAPI	png_get_filter_type (png_const_structp png_ptr, png_const_infop info_ptr)
png_uint_32 PNGAPI	png_get_gAMA (png_const_structp png_ptr, png_const_infop info_ptr, double *file_gamma)
png_uint_32 PNGFAPI	png_get_gAMA_fixed (png_const_structp png_ptr, png_const_infop info_ptr, png_fixed_point *file_gamma)
png_uint_32 PNGAPI	png_get_hIST (png_const_structp png_ptr, png_const_infop info_ptr, png_uint_16p *hist)
png_uint_32 PNGAPI	png_get_iCCP (png_const_structp png_ptr, png_const_infop info_ptr, png_charpp name, int *compression_type, png_bytepp profile, png_uint_32 *proflen)
png_uint_32 PNGAPI	png_get_IHDR (png_structp png_ptr, png_infop info_ptr, png_uint_32 *width, png_uint_32 *height, int *bit_depth, int *color_type, int *interlace_type, int *compression_type, int *filter_type)
png_uint_32 PNGAPI	png_get_image_height (png_const_structp png_ptr, png_const_infop info_ptr)
png_uint_32 PNGAPI	png_get_image_width (png_const_structp png_ptr, png_const_infop info_ptr)
png_byte PNGAPI	png_get_interlace_type (png_const_structp png_ptr, png_const_infop info_ptr)
png_const_bytep PNGAPI	png_get_io_chunk_name (png_structp png_ptr)
png_uint_32 PNGAPI	png_get_io_chunk_type (png_const_structp png_ptr)
png_uint_32 PNGAPI	png_get_io_state (png_structp png_ptr)
png_uint_32 PNGAPI	png_get_oFFs (png_const_structp png_ptr, png_const_infop info_ptr, png_int_32 *offset_x, png_int_32 *offset_y, int *unit_type)
png_uint_32 PNGAPI	png_get_pCAL (png_const_structp png_ptr, png_const_infop info_ptr, png_charp *purpose, png_int_32 *X0, png_int_32 *X1, int *type, int *nparams, png_charp *units, png_charpp *params)
png_uint_32 PNGAPI	png_get_pHYs (png_const_structp png_ptr, png_const_infop info_ptr, png_uint_32 *res_x, png_uint_32 *res_y, int *unit_type)
png_uint_32 PNGAPI	png_get_pHYs_dpi (png_const_structp png_ptr, png_const_infop info_ptr, png_uint_32 *res_x, png_uint_32 *res_y, int *unit_type)
float PNGAPI	png_get_pixel_aspect_ratio (png_const_structp png_ptr, png_const_infop info_ptr)
png_fixed_point PNGAPI	png_get_pixel_aspect_ratio_fixed (png_const_structp png_ptr, png_const_infop info_ptr)
png_uint_32 PNGAPI	png_get_pixels_per_inch (png_const_structp png_ptr, png_const_infop info_ptr)
png_uint_32 PNGAPI	png_get_pixels_per_meter (png_const_structp png_ptr, png_const_infop info_ptr)
png_uint_32 PNGAPI	png_get_PLTE (png_const_structp png_ptr, png_const_infop info_ptr, png_colorp *palette, int *num_palette)
png_byte PNGAPI	png_get_rgb_to_gray_status (png_const_structp png_ptr)
png_size_t PNGAPI	png_get_rowbytes (png_const_structp png_ptr, png_const_infop info_ptr)
png_bytepp PNGAPI	png_get_rows (png_const_structp png_ptr, png_const_infop info_ptr)
png_uint_32 PNGAPI	png_get_sBIT (png_const_structp png_ptr, png_infop info_ptr, png_color_8p *sig_bit)
png_uint_32 PNGAPI	png_get_sCAL (png_const_structp png_ptr, png_const_infop info_ptr, int *unit, double *width, double *height)
png_uint_32 PNGAPI	png_get_sCAL_fixed (png_structp png_ptr, png_const_infop info_ptr, int *unit, png_fixed_point *width, png_fixed_point *height)
png_uint_32 PNGAPI	png_get_sCAL_s (png_const_structp png_ptr, png_const_infop info_ptr, int *unit, png_charpp width, png_charpp height)
png_const_bytep PNGAPI	png_get_signature (png_const_structp png_ptr, png_infop info_ptr)
png_uint_32 PNGAPI	png_get_sPLT (png_const_structp png_ptr, png_const_infop info_ptr, png_sPLT_tpp spalettes)
png_uint_32 PNGAPI	png_get_sRGB (png_const_structp png_ptr, png_const_infop info_ptr, int *file_srgb_intent)
png_uint_32 PNGAPI	png_get_text (png_const_structp png_ptr, png_const_infop info_ptr, png_textp *text_ptr, int *num_text)
png_uint_32 PNGAPI	png_get_tIME (png_const_structp png_ptr, png_infop info_ptr, png_timep *mod_time)
png_uint_32 PNGAPI	png_get_tRNS (png_const_structp png_ptr, png_infop info_ptr, png_bytep *trans_alpha, int *num_trans, png_color_16p *trans_color)
int PNGAPI	png_get_unknown_chunks (png_const_structp png_ptr, png_const_infop info_ptr, png_unknown_chunkpp unknowns)
png_voidp PNGAPI	png_get_user_chunk_ptr (png_const_structp png_ptr)
png_uint_32 PNGAPI	png_get_user_height_max (png_const_structp png_ptr)
png_uint_32 PNGAPI	png_get_user_width_max (png_const_structp png_ptr)
png_uint_32 PNGAPI	png_get_valid (png_const_structp png_ptr, png_const_infop info_ptr, png_uint_32 flag)
float PNGAPI	png_get_x_offset_inches (png_const_structp png_ptr, png_const_infop info_ptr)
png_fixed_point PNGAPI	png_get_x_offset_inches_fixed (png_structp png_ptr, png_const_infop info_ptr)
png_int_32 PNGAPI	png_get_x_offset_microns (png_const_structp png_ptr, png_const_infop info_ptr)
png_int_32 PNGAPI	png_get_x_offset_pixels (png_const_structp png_ptr, png_const_infop info_ptr)
png_uint_32 PNGAPI	png_get_x_pixels_per_inch (png_const_structp png_ptr, png_const_infop info_ptr)
png_uint_32 PNGAPI	png_get_x_pixels_per_meter (png_const_structp png_ptr, png_const_infop info_ptr)
float PNGAPI	png_get_y_offset_inches (png_const_structp png_ptr, png_const_infop info_ptr)
png_fixed_point PNGAPI	png_get_y_offset_inches_fixed (png_structp png_ptr, png_const_infop info_ptr)
png_int_32 PNGAPI	png_get_y_offset_microns (png_const_structp png_ptr, png_const_infop info_ptr)
png_int_32 PNGAPI	png_get_y_offset_pixels (png_const_structp png_ptr, png_const_infop info_ptr)
png_uint_32 PNGAPI	png_get_y_pixels_per_inch (png_const_structp png_ptr, png_const_infop info_ptr)
png_uint_32 PNGAPI	png_get_y_pixels_per_meter (png_const_structp png_ptr, png_const_infop info_ptr)
static png_uint_32	ppi_from_ppm (png_uint_32 ppm)

Function Documentation

static png_fixed_point png_fixed_inches_from_microns ( png_structp  png_ptr, png_int_32  microns  )

static

Definition at line 329 of file pngget.c.

References png_muldiv_warn().

Referenced by png_get_x_offset_inches_fixed(), and png_get_y_offset_inches_fixed().

png_byte PNGAPI png_get_bit_depth	(	png_const_structp	png_ptr,
		png_const_infop	info_ptr
	)

Definition at line 70 of file pngget.c.

References NULL.

png_uint_32 PNGAPI png_get_bKGD	(	png_const_structp	png_ptr,
		png_infop	info_ptr,
		png_color_16p *	background
	)

Definition at line 445 of file pngget.c.

References NULL, png_debug1, and PNG_INFO_bKGD.

Referenced by test_one_file().

png_byte PNGAPI png_get_channels	(	png_const_structp	png_ptr,
		png_const_infop	info_ptr
	)

Definition at line 426 of file pngget.c.

References NULL.

png_uint_32 PNGAPI png_get_cHRM	(	png_const_structp	png_ptr,
		png_const_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
	)

Definition at line 523 of file pngget.c.

References NULL, png_debug1, png_float, and PNG_INFO_cHRM.

Referenced by test_one_file().

png_uint_32 PNGAPI png_get_cHRM_fixed	(	png_const_structp	png_ptr,
		png_const_infop	info_ptr,
		png_fixed_point *	white_x,
		png_fixed_point *	white_y,
		png_fixed_point *	red_x,
		png_fixed_point *	red_y,
		png_fixed_point *	green_x,
		png_fixed_point *	green_y,
		png_fixed_point *	blue_x,
		png_fixed_point *	blue_y
	)

Definition at line 592 of file pngget.c.

References NULL, png_debug1, and PNG_INFO_cHRM.

Referenced by test_one_file().

png_uint_32 PNGAPI png_get_cHRM_XYZ	(	png_structp	png_ptr,
		png_const_infop	info_ptr,
		double *	red_X,
		double *	red_Y,
		double *	red_Z,
		double *	green_X,
		double *	green_Y,
		double *	green_Z,
		double *	blue_X,
		double *	blue_Y,
		double *	blue_Z
	)

Definition at line 554 of file pngget.c.

References png_XYZ::blueX, png_XYZ::blueY, png_XYZ::blueZ, png_XYZ::greenX, png_XYZ::greenY, png_XYZ::greenZ, NULL, png_float, png_get_cHRM_XYZ_fixed(), PNG_INFO_cHRM, png_XYZ::redX, png_XYZ::redY, and png_XYZ::redZ.

png_uint_32 PNGFAPI png_get_cHRM_XYZ_fixed	(	png_structp	png_ptr,
		png_const_infop	info_ptr,
		png_fixed_point *	int_red_X,
		png_fixed_point *	int_red_Y,
		png_fixed_point *	int_red_Z,
		png_fixed_point *	int_green_X,
		png_fixed_point *	int_green_Y,
		png_fixed_point *	int_green_Z,
		png_fixed_point *	int_blue_X,
		png_fixed_point *	int_blue_Y,
		png_fixed_point *	int_blue_Z
	)

Definition at line 467 of file pngget.c.

References png_xy::bluex, png_XYZ::blueX, png_xy::bluey, png_XYZ::blueY, png_XYZ::blueZ, png_xy::greenx, png_XYZ::greenX, png_xy::greeny, png_XYZ::greenY, png_XYZ::greenZ, NULL, png_debug1, PNG_INFO_cHRM, png_XYZ_from_xy_checked(), png_xy::redx, png_XYZ::redX, png_xy::redy, png_XYZ::redY, png_XYZ::redZ, png_xy::whitex, and png_xy::whitey.

Referenced by png_get_cHRM_XYZ().

png_uint_32 PNGAPI png_get_chunk_cache_max

(

png_const_structp

png_ptr

)

Definition at line 1089 of file pngget.c.

png_alloc_size_t PNGAPI png_get_chunk_malloc_max

(

png_const_structp

png_ptr

)

Definition at line 1096 of file pngget.c.

png_byte PNGAPI png_get_color_type	(	png_const_structp	png_ptr,
		png_const_infop	info_ptr
	)

Definition at line 79 of file pngget.c.

References NULL.

png_size_t PNGAPI png_get_compression_buffer_size

(

png_const_structp

png_ptr

)

Definition at line 1067 of file pngget.c.

png_byte PNGAPI png_get_compression_type	(	png_const_structp	png_ptr,
		png_const_infop	info_ptr
	)

Definition at line 106 of file pngget.c.

References NULL.

png_byte PNGAPI png_get_filter_type	(	png_const_structp	png_ptr,
		png_const_infop	info_ptr
	)

Definition at line 88 of file pngget.c.

References NULL.

png_uint_32 PNGAPI png_get_gAMA	(	png_const_structp	png_ptr,
		png_const_infop	info_ptr,
		double *	file_gamma
	)

Definition at line 643 of file pngget.c.

References png_float, and png_get_gAMA_fixed().

Referenced by test_one_file().

png_uint_32 PNGFAPI png_get_gAMA_fixed	(	png_const_structp	png_ptr,
		png_const_infop	info_ptr,
		png_fixed_point *	file_gamma
	)

Definition at line 627 of file pngget.c.

References NULL, png_debug1, and PNG_INFO_gAMA.

Referenced by png_get_gAMA(), and test_one_file().

png_uint_32 PNGAPI png_get_hIST	(	png_const_structp	png_ptr,
		png_const_infop	info_ptr,
		png_uint_16p *	hist
	)

Definition at line 719 of file pngget.c.

References NULL, png_debug1, and PNG_INFO_hIST.

Referenced by test_one_file().

png_uint_32 PNGAPI png_get_iCCP	(	png_const_structp	png_ptr,
		png_const_infop	info_ptr,
		png_charpp	name,
		int *	compression_type,
		png_bytepp	profile,
		png_uint_32 *	proflen
	)

Definition at line 678 of file pngget.c.

References NULL, png_debug1, and PNG_INFO_iCCP.

Referenced by test_one_file().

png_uint_32 PNGAPI png_get_IHDR	(	png_structp	png_ptr,
		png_infop	info_ptr,
		png_uint_32 *	width,
		png_uint_32 *	height,
		int *	bit_depth,
		int *	color_type,
		int *	interlace_type,
		int *	compression_type,
		int *	filter_type
	)

Definition at line 736 of file pngget.c.

References NULL, png_check_IHDR(), and png_debug1.

Referenced by Zeni::Image::Image(), and test_one_file().

png_uint_32 PNGAPI png_get_image_height	(	png_const_structp	png_ptr,
		png_const_infop	info_ptr
	)

Definition at line 61 of file pngget.c.

References NULL.

Referenced by test_one_file().

png_uint_32 PNGAPI png_get_image_width	(	png_const_structp	png_ptr,
		png_const_infop	info_ptr
	)

Definition at line 52 of file pngget.c.

References NULL.

Referenced by test_one_file().

png_byte PNGAPI png_get_interlace_type	(	png_const_structp	png_ptr,
		png_const_infop	info_ptr
	)

Definition at line 97 of file pngget.c.

References NULL.

png_const_bytep PNGAPI png_get_io_chunk_name

(

png_structp

png_ptr

)

Definition at line 1117 of file pngget.c.

References PNG_CSTRING_FROM_CHUNK.

png_uint_32 PNGAPI png_get_io_chunk_type

(

png_const_structp

png_ptr

)

Definition at line 1111 of file pngget.c.

png_uint_32 PNGAPI png_get_io_state

(

png_structp

png_ptr

)

Definition at line 1105 of file pngget.c.

png_uint_32 PNGAPI png_get_oFFs	(	png_const_structp	png_ptr,
		png_const_infop	info_ptr,
		png_int_32 *	offset_x,
		png_int_32 *	offset_y,
		int *	unit_type
	)

Definition at line 776 of file pngget.c.

References int, NULL, png_debug1, PNG_INFO_oFFs, and return.

Referenced by test_one_file().

png_uint_32 PNGAPI png_get_pCAL	(	png_const_structp	png_ptr,
		png_const_infop	info_ptr,
		png_charp *	purpose,
		png_int_32 *	X0,
		png_int_32 *	X1,
		int *	type,
		int *	nparams,
		png_charp *	units,
		png_charpp *	params
	)

Definition at line 796 of file pngget.c.

References int, NULL, png_debug1, and PNG_INFO_pCAL.

Referenced by test_one_file().

png_uint_32 PNGAPI png_get_pHYs	(	png_const_structp	png_ptr,
		png_const_infop	info_ptr,
		png_uint_32 *	res_x,
		png_uint_32 *	res_y,
		int *	unit_type
	)

Definition at line 878 of file pngget.c.

References int, NULL, png_debug1, and PNG_INFO_pHYs.

Referenced by test_one_file().

png_uint_32 PNGAPI png_get_pHYs_dpi	(	png_const_structp	png_ptr,
		png_const_infop	info_ptr,
		png_uint_32 *	res_x,
		png_uint_32 *	res_y,
		int *	unit_type
	)

Definition at line 382 of file pngget.c.

References if(), int, NULL, png_debug1, and PNG_INFO_pHYs.

float PNGAPI png_get_pixel_aspect_ratio	(	png_const_structp	png_ptr,
		png_const_infop	info_ptr
	)

Definition at line 167 of file pngget.c.

References NULL, png_debug1, and PNG_INFO_pHYs.

png_fixed_point PNGAPI png_get_pixel_aspect_ratio_fixed	(	png_const_structp	png_ptr,
		png_const_infop	info_ptr
	)

Definition at line 186 of file pngget.c.

References NULL, png_debug1, PNG_FP_1, PNG_INFO_pHYs, png_muldiv(), and PNG_UINT_31_MAX.

png_uint_32 PNGAPI png_get_pixels_per_inch	(	png_const_structp	png_ptr,
		png_const_infop	info_ptr
	)

Definition at line 310 of file pngget.c.

References png_get_pixels_per_meter(), and ppi_from_ppm().

png_uint_32 PNGAPI png_get_pixels_per_meter	(	png_const_structp	png_ptr,
		png_const_infop	info_ptr
	)

Definition at line 149 of file pngget.c.

References NULL, png_debug1, PNG_INFO_pHYs, and PNG_RESOLUTION_METER.

Referenced by png_get_pixels_per_inch().

png_uint_32 PNGAPI png_get_PLTE	(	png_const_structp	png_ptr,
		png_const_infop	info_ptr,
		png_colorp *	palette,
		int *	num_palette
	)

Definition at line 912 of file pngget.c.

References NULL, png_debug1, and PNG_INFO_PLTE.

Referenced by test_one_file().

png_byte PNGAPI png_get_rgb_to_gray_status

(

png_const_structp

png_ptr

)

Definition at line 1052 of file pngget.c.

png_size_t PNGAPI png_get_rowbytes	(	png_const_structp	png_ptr,
		png_const_infop	info_ptr
	)

Definition at line 30 of file pngget.c.

References NULL.

Referenced by Zeni::Image::Image(), png_read_png(), and test_one_file().

png_bytepp PNGAPI png_get_rows	(	png_const_structp	png_ptr,
		png_const_infop	info_ptr
	)

Definition at line 40 of file pngget.c.

References NULL.

png_uint_32 PNGAPI png_get_sBIT	(	png_const_structp	png_ptr,
		png_infop	info_ptr,
		png_color_8p *	sig_bit
	)

Definition at line 931 of file pngget.c.

References NULL, png_debug1, and PNG_INFO_sBIT.

Referenced by png_read_png(), and test_one_file().

png_uint_32 PNGAPI png_get_sCAL	(	png_const_structp	png_ptr,
		png_const_infop	info_ptr,
		int *	unit,
		double *	width,
		double *	height
	)

Definition at line 844 of file pngget.c.

References NULL, and PNG_INFO_sCAL.

Referenced by test_one_file().

png_uint_32 PNGAPI png_get_sCAL_fixed	(	png_structp	png_ptr,
		png_const_infop	info_ptr,
		int *	unit,
		png_fixed_point *	width,
		png_fixed_point *	height
	)

Definition at line 824 of file pngget.c.

References NULL, png_fixed(), and PNG_INFO_sCAL.

png_uint_32 PNGAPI png_get_sCAL_s	(	png_const_structp	png_ptr,
		png_const_infop	info_ptr,
		int *	unit,
		png_charpp	width,
		png_charpp	height
	)

Definition at line 860 of file pngget.c.

References NULL, and PNG_INFO_sCAL.

Referenced by test_one_file().

png_const_bytep PNGAPI png_get_signature	(	png_const_structp	png_ptr,
		png_infop	info_ptr
	)

Definition at line 435 of file pngget.c.

References NULL.

png_uint_32 PNGAPI png_get_sPLT	(	png_const_structp	png_ptr,
		png_const_infop	info_ptr,
		png_sPLT_tpp	spalettes
	)

Definition at line 704 of file pngget.c.

References NULL.

png_uint_32 PNGAPI png_get_sRGB	(	png_const_structp	png_ptr,
		png_const_infop	info_ptr,
		int *	file_srgb_intent
	)

Definition at line 660 of file pngget.c.

References int, NULL, png_debug1, PNG_INFO_sRGB, and return.

Referenced by test_one_file().

png_uint_32 PNGAPI png_get_text	(	png_const_structp	png_ptr,
		png_const_infop	info_ptr,
		png_textp *	text_ptr,
		int *	num_text
	)

Definition at line 949 of file pngget.c.

References NULL, and png_debug1.

Referenced by test_one_file().

png_uint_32 PNGAPI png_get_tIME	(	png_const_structp	png_ptr,
		png_infop	info_ptr,
		png_timep *	mod_time
	)

Definition at line 975 of file pngget.c.

References NULL, png_debug1, and PNG_INFO_tIME.

Referenced by test_one_file().

png_uint_32 PNGAPI png_get_tRNS	(	png_const_structp	png_ptr,
		png_infop	info_ptr,
		png_bytep *	trans_alpha,
		int *	num_trans,
		png_color_16p *	trans_color
	)

Definition at line 992 of file pngget.c.

References NULL, PNG_COLOR_TYPE_PALETTE, png_debug1, and PNG_INFO_tRNS.

Referenced by test_one_file().

int PNGAPI png_get_unknown_chunks	(	png_const_structp	png_ptr,
		png_const_infop	info_ptr,
		png_unknown_chunkpp	unknowns
	)

Definition at line 1037 of file pngget.c.

References NULL.

Referenced by test_one_file().

png_voidp PNGAPI png_get_user_chunk_ptr

(

png_const_structp

png_ptr

)

Definition at line 1060 of file pngget.c.

References NULL.

Referenced by read_user_chunk_callback().

png_uint_32 PNGAPI png_get_user_height_max

(

png_const_structp

png_ptr

)

Definition at line 1082 of file pngget.c.

png_uint_32 PNGAPI png_get_user_width_max

(

png_const_structp

png_ptr

)

Definition at line 1076 of file pngget.c.

png_uint_32 PNGAPI png_get_valid	(	png_const_structp	png_ptr,
		png_const_infop	info_ptr,
		png_uint_32	flag
	)

Definition at line 20 of file pngget.c.

References NULL.

Referenced by png_read_png().

float PNGAPI png_get_x_offset_inches	(	png_const_structp	png_ptr,
		png_const_infop	info_ptr
	)

Definition at line 360 of file pngget.c.

References png_get_x_offset_microns().

png_fixed_point PNGAPI png_get_x_offset_inches_fixed	(	png_structp	png_ptr,
		png_const_infop	info_ptr
	)

Definition at line 340 of file pngget.c.

References png_fixed_inches_from_microns(), and png_get_x_offset_microns().

png_int_32 PNGAPI png_get_x_offset_microns	(	png_const_structp	png_ptr,
		png_const_infop	info_ptr
	)

Definition at line 213 of file pngget.c.

References NULL, png_debug1, PNG_INFO_oFFs, and PNG_OFFSET_MICROMETER.

Referenced by png_get_x_offset_inches(), and png_get_x_offset_inches_fixed().

png_int_32 PNGAPI png_get_x_offset_pixels	(	png_const_structp	png_ptr,
		png_const_infop	info_ptr
	)

Definition at line 245 of file pngget.c.

References NULL, png_debug1, PNG_INFO_oFFs, and PNG_OFFSET_PIXEL.

png_uint_32 PNGAPI png_get_x_pixels_per_inch	(	png_const_structp	png_ptr,
		png_const_infop	info_ptr
	)

Definition at line 316 of file pngget.c.

References png_get_x_pixels_per_meter(), and ppi_from_ppm().

png_uint_32 PNGAPI png_get_x_pixels_per_meter	(	png_const_structp	png_ptr,
		png_const_infop	info_ptr
	)

Definition at line 115 of file pngget.c.

References NULL, png_debug1, PNG_INFO_pHYs, and PNG_RESOLUTION_METER.

Referenced by png_get_x_pixels_per_inch().

float PNGAPI png_get_y_offset_inches	(	png_const_structp	png_ptr,
		png_const_infop	info_ptr
	)

Definition at line 371 of file pngget.c.

References png_get_y_offset_microns().

png_fixed_point PNGAPI png_get_y_offset_inches_fixed	(	png_structp	png_ptr,
		png_const_infop	info_ptr
	)

Definition at line 350 of file pngget.c.

References png_fixed_inches_from_microns(), and png_get_y_offset_microns().

png_int_32 PNGAPI png_get_y_offset_microns	(	png_const_structp	png_ptr,
		png_const_infop	info_ptr
	)

Definition at line 229 of file pngget.c.

References NULL, png_debug1, PNG_INFO_oFFs, and PNG_OFFSET_MICROMETER.

Referenced by png_get_y_offset_inches(), and png_get_y_offset_inches_fixed().

png_int_32 PNGAPI png_get_y_offset_pixels	(	png_const_structp	png_ptr,
		png_const_infop	info_ptr
	)

Definition at line 261 of file pngget.c.

References NULL, png_debug1, PNG_INFO_oFFs, and PNG_OFFSET_PIXEL.

png_uint_32 PNGAPI png_get_y_pixels_per_inch	(	png_const_structp	png_ptr,
		png_const_infop	info_ptr
	)

Definition at line 322 of file pngget.c.

References png_get_y_pixels_per_meter(), and ppi_from_ppm().

png_uint_32 PNGAPI png_get_y_pixels_per_meter	(	png_const_structp	png_ptr,
		png_const_infop	info_ptr
	)

Definition at line 132 of file pngget.c.

References NULL, png_debug1, PNG_INFO_pHYs, and PNG_RESOLUTION_METER.

Referenced by png_get_y_pixels_per_inch().

static png_uint_32 ppi_from_ppm ( png_uint_32  ppm )

static

Definition at line 278 of file pngget.c.

References png_muldiv(), and PNG_UINT_31_MAX.

Referenced by png_get_pixels_per_inch(), png_get_x_pixels_per_inch(), and png_get_y_pixels_per_inch().