Namespaces
namespace	detail

Classes
struct	basic_alpha_pixel_traits
	Basic pixel traits class template for pixels with alpha channel. More...

struct	basic_ga_pixel
	Basic Gray+Alpha pixel type. More...

class	basic_pixel_buffer
	The basic class template to represent image pixel data. More...

struct	basic_pixel_traits
	Basic pixel traits class template. More...

struct	basic_rgb_pixel
	RGB pixel type. More...

struct	basic_rgba_pixel
	RGBA pixel type. More...

struct	color
	PNG color struct extension. More...

class	consumer
	Pixel consumer class template. More...

struct	convert_color_space
	IO transformation class template. More...

struct	convert_color_space< ga_pixel >
	Converts image color space. More...

struct	convert_color_space< ga_pixel_16 >
	Converts image color space. More...

struct	convert_color_space< gray_pixel >
	Converts image color space. More...

struct	convert_color_space< gray_pixel_16 >
	Converts image color space. More...

struct	convert_color_space< rgb_pixel >
	Converts image color space. More...

struct	convert_color_space< rgb_pixel_16 >
	Converts image color space. More...

struct	convert_color_space< rgba_pixel >
	Converts image color space. More...

struct	convert_color_space< rgba_pixel_16 >
	Converts image color space. More...

class	def_image_info_holder
	The default image_info holder class. More...

class	end_info
	Internal class to hold PNG ending info. More...

class	error
	Exception class to represent runtime errors related to png++ operation. More...

class	generator
	Pixel generator class template. More...

class	image
	Class template to represent PNG image. More...

class	image_info
	Holds information about PNG image. More...

class	image_info_ref_holder
	An image_info holder class. More...

class	index_pixel
	The 8-bit Indexed (colormap) pixel type. More...

class	info
	Holds information about PNG image. More...

class	info_base
	Internal class to hold PNG info or end_info. More...

class	io_base
	Base class for PNG reader/writer classes. More...

class	packed_gray_pixel
	The packed gray pixel class template. More...

class	packed_index_pixel
	The packed indexed pixel class template. More...

class	packed_pixel
	The packed pixel class template. More...

class	packed_pixel_row
	The packed pixel row class template. More...

class	pixel_buffer
	The pixel_buffer specialization for unpacked pixels. More...

class	pixel_buffer< packed_gray_pixel< bits > >
	The pixel buffer class template specialization for the packed_gray_pixel type. More...

class	pixel_buffer< packed_index_pixel< bits > >
	The pixel buffer class template specialization for the packed_index_pixel type. More...

struct	pixel_traits
	Pixel traits class template. More...

struct	pixel_traits< basic_ga_pixel< T > >
	Pixel traits specialization for basic_ga_pixel. More...

struct	pixel_traits< basic_rgb_pixel< T > >
	Pixel traits specialization for basic_rgb_pixel. More...

struct	pixel_traits< basic_rgba_pixel< T > >
	Pixel traits specialization for basic_rgba_pixel. More...

struct	pixel_traits< gray_pixel >
	Pixel traits specialization for gray_pixel. More...

struct	pixel_traits< gray_pixel_16 >
	Pixel traits specialization for gray_pixel_16. More...

struct	pixel_traits< index_pixel >
	Pixel traits specialization for index_pixel. More...

struct	pixel_traits< packed_gray_pixel< bits > >
	Pixel traits specialization for packed_gray_pixel. More...

struct	pixel_traits< packed_index_pixel< bits > >
	Pixel traits specialization for packed_index_pixel. More...

class	reader
	The PNG reader class template. More...

struct	require_color_space
	IO transformation class template. More...

class	row_traits
	The pixel row traits class template. More...

class	row_traits< packed_pixel_row< pixel > >
	The row_traits class template specialization for packed pixel row type. More...

class	row_traits< std::vector< pixel > >
	The row_traits specialization for unpacked pixel rows. More...

class	std_error
	Exception class to represent standard library errors (generally IO). More...

class	streaming_base
	A base class template for consumer and generator classes. More...

class	writer
	PNG writer class template. More...

Typedefs
typedef png_byte	byte

typedef png_color_8	color_info

typedef png_color_16	color_info_16

typedef png_fixed_point	fixed_point

typedef basic_ga_pixel< byte >	ga_pixel
	The 8-bit Gray+Alpha pixel type. More...

typedef basic_ga_pixel< uint_16 >	ga_pixel_16
	The 16-bit Gray+Alpha pixel type. More...

typedef byte	gray_pixel
	The 8-bit Grayscale pixel type. More...

typedef packed_gray_pixel< 1 >	gray_pixel_1
	The 1-bit Grayscale pixel type. More...

typedef uint_16	gray_pixel_16
	The 16-bit Grayscale pixel type. More...

typedef packed_gray_pixel< 2 >	gray_pixel_2
	The 2-bit Grayscale pixel type. More...

typedef packed_gray_pixel< 4 >	gray_pixel_4
	The 4-bit Grayscale pixel type. More...

typedef packed_index_pixel< 1 >	index_pixel_1
	The 1-bit Indexed pixel type. More...

typedef packed_index_pixel< 2 >	index_pixel_2
	The 1-bit Indexed pixel type. More...

typedef packed_index_pixel< 4 >	index_pixel_4
	The 1-bit Indexed pixel type. More...

typedef std::vector< color >	palette
	The palette type. More...

typedef basic_rgb_pixel< byte >	rgb_pixel
	The 8-bit RGB pixel type. More...

typedef basic_rgb_pixel< uint_16 >	rgb_pixel_16
	The 16-bit RGB pixel type. More...

typedef basic_rgba_pixel< byte >	rgba_pixel
	The 8-bit RGBA pixel type. More...

typedef basic_rgba_pixel< uint_16 >	rgba_pixel_16
	The 16-bit RGBA pixel type. More...

typedef std::vector< byte >	tRNS
	The palette transparency map type. More...

typedef png_uint_16	uint_16

typedef png_uint_32	uint_32

Enumerations
enum	chunk { chunk_gAMA = PNG_INFO_gAMA, chunk_sBIT = PNG_INFO_sBIT, chunk_cHRM = PNG_INFO_cHRM, chunk_PLTE = PNG_INFO_PLTE, chunk_tRNS = PNG_INFO_tRNS, chunk_bKGD = PNG_INFO_bKGD, chunk_hIST = PNG_INFO_hIST, chunk_pHYs = PNG_INFO_pHYs, chunk_oFFs = PNG_INFO_oFFs, chunk_tIME = PNG_INFO_tIME, chunk_pCAL = PNG_INFO_pCAL, chunk_sRGB = PNG_INFO_sRGB, chunk_iCCP = PNG_INFO_iCCP, chunk_sPLT = PNG_INFO_sPLT, chunk_sCAL = PNG_INFO_sCAL, chunk_IDAT = PNG_INFO_IDAT }

enum	color_mask { color_mask_palette = PNG_COLOR_MASK_PALETTE, color_mask_color = PNG_COLOR_MASK_COLOR, color_mask_rgb = color_mask_color, color_mask_alpha = PNG_COLOR_MASK_ALPHA }

enum	color_type { color_type_none = -1, color_type_gray = PNG_COLOR_TYPE_GRAY, color_type_palette = PNG_COLOR_TYPE_PALETTE, color_type_rgb = PNG_COLOR_TYPE_RGB, color_type_rgb_alpha = PNG_COLOR_TYPE_RGB_ALPHA, color_type_gray_alpha = PNG_COLOR_TYPE_GRAY_ALPHA, color_type_rgba = PNG_COLOR_TYPE_RGBA, color_type_ga = PNG_COLOR_TYPE_GA }

enum	compression_type { compression_type_base = PNG_COMPRESSION_TYPE_BASE, compression_type_default = PNG_COMPRESSION_TYPE_DEFAULT }

enum	filler_type { filler_before = PNG_FILLER_BEFORE, filler_after = PNG_FILLER_AFTER }

enum	filter_type { filter_type_base = PNG_FILTER_TYPE_BASE, intrapixel_differencing = PNG_INTRAPIXEL_DIFFERENCING, filter_type_default = PNG_FILTER_TYPE_DEFAULT }

enum	interlace_type { interlace_none = PNG_INTERLACE_NONE, interlace_adam7 = PNG_INTERLACE_ADAM7 }

enum	rgb_to_gray_error_action { rgb_to_gray_silent = 1, rgb_to_gray_warning = 2, rgb_to_gray_error = 3 }

Functions
template<typename pixel >
image_info	make_image_info ()
	Returns an image_info object with color_type and bit_depth fields setup appropriate for the `pixel` type. More...

Typedef Documentation

typedef png_byte png::byte

typedef png_color_8 png::color_info

typedef png_color_16 png::color_info_16

typedef png_fixed_point png::fixed_point

typedef basic_ga_pixel< byte > png::ga_pixel

The 8-bit Gray+Alpha pixel type.

typedef basic_ga_pixel< uint_16 > png::ga_pixel_16

The 16-bit Gray+Alpha pixel type.

typedef byte png::gray_pixel

The 8-bit Grayscale pixel type.

typedef packed_gray_pixel< 1 > png::gray_pixel_1

The 1-bit Grayscale pixel type.

typedef uint_16 png::gray_pixel_16

The 16-bit Grayscale pixel type.

typedef packed_gray_pixel< 2 > png::gray_pixel_2

The 2-bit Grayscale pixel type.

typedef packed_gray_pixel< 4 > png::gray_pixel_4

The 4-bit Grayscale pixel type.

typedef packed_index_pixel< 1 > png::index_pixel_1

The 1-bit Indexed pixel type.

typedef packed_index_pixel< 2 > png::index_pixel_2

The 1-bit Indexed pixel type.

typedef packed_index_pixel< 4 > png::index_pixel_4

The 1-bit Indexed pixel type.

typedef std::vector< color > png::palette

The palette type.

Currently implemented as std::vector of png::color.

typedef basic_rgb_pixel< byte > png::rgb_pixel

The 8-bit RGB pixel type.

typedef basic_rgb_pixel< uint_16 > png::rgb_pixel_16

The 16-bit RGB pixel type.

typedef basic_rgba_pixel< byte > png::rgba_pixel

The 8-bit RGBA pixel type.

typedef basic_rgba_pixel< uint_16 > png::rgba_pixel_16

The 16-bit RGBA pixel type.

typedef std::vector< byte > png::tRNS

The palette transparency map type.

Currently implemented as std::vector of png::byte.

typedef png_uint_16 png::uint_16

typedef png_uint_32 png::uint_32

Enumeration Type Documentation

enum png::chunk

Enumerator
chunk_gAMA
chunk_sBIT
chunk_cHRM
chunk_PLTE
chunk_tRNS
chunk_bKGD
chunk_hIST
chunk_pHYs
chunk_oFFs
chunk_tIME
chunk_pCAL
chunk_sRGB
chunk_iCCP
chunk_sPLT
chunk_sCAL
chunk_IDAT

enum png::color_mask

Enumerator
color_mask_palette
color_mask_color
color_mask_rgb
color_mask_alpha

enum png::color_type

Enumerator
color_type_none
color_type_gray
color_type_palette
color_type_rgb
color_type_rgb_alpha
color_type_gray_alpha
color_type_rgba
color_type_ga

enum png::compression_type

Enumerator
compression_type_base
compression_type_default

enum png::filler_type

Enumerator
filler_before
filler_after

enum png::filter_type

Enumerator
filter_type_base
intrapixel_differencing
filter_type_default

enum png::interlace_type

Enumerator
interlace_none
interlace_adam7

enum png::rgb_to_gray_error_action

Enumerator
rgb_to_gray_silent
rgb_to_gray_warning
rgb_to_gray_error

Function Documentation

template<typename pixel >

image_info png::make_image_info ( )

Returns an image_info object with color_type and bit_depth fields setup appropriate for the pixel type.

References png::image_info::set_bit_depth(), and png::image_info::set_color_type().

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