31#ifndef PNGPP_IO_BASE_HPP_INCLUDED
32#define PNGPP_IO_BASE_HPP_INCLUDED
42trace_io_transform(
char const* fmt, ...)
44#ifdef DEBUG_IO_TRANSFORM
47 fprintf(stderr,
"TRANSFORM_IO: ");
48 vfprintf(stderr, fmt, va);
52#define TRACE_IO_TRANSFORM trace_io_transform
199#if defined(PNG_READ_EXPAND_SUPPORTED)
219#if defined(PNG_READ_BGR_SUPPORTED) || defined(PNG_WRITE_BGR_SUPPORTED)
227#if defined(PNG_READ_GRAY_TO_RGB_SUPPORTED)
235#ifdef PNG_FLOATING_POINT_SUPPORTED
242 " red_weight=%lf, green_weight=%lf\n",
254 " red_weight=%d, green_weight=%d\n",
265#if defined(PNG_READ_STRIP_ALPHA_SUPPORTED)
273#if defined(PNG_READ_SWAP_ALPHA_SUPPORTED) \
274 || defined(PNG_WRITE_SWAP_ALPHA_SUPPORTED)
282#if defined(PNG_READ_INVERT_ALPHA_SUPPORTED) \
283 || defined(PNG_WRITE_INVERT_ALPHA_SUPPORTED)
291#if defined(PNG_READ_FILLER_SUPPORTED) || defined(PNG_WRITE_FILLER_SUPPORTED)
300#if !defined(PNG_1_0_X)
311#if defined(PNG_READ_SWAP_SUPPORTED) || defined(PNG_WRITE_SWAP_SUPPORTED)
319#if defined(PNG_READ_PACK_SUPPORTED) || defined(PNG_WRITE_PACK_SUPPORTED)
327#if defined(PNG_READ_PACKSWAP_SUPPORTED) \
328 || defined(PNG_WRITE_PACKSWAP_SUPPORTED)
336#if defined(PNG_READ_SHIFT_SUPPORTED) || defined(PNG_WRITE_SHIFT_SUPPORTED)
341 " blue_bits=%d, alpha_bits=%d\n",
347 throw error(
"set_shift: expected RGB or RGBA color type");
365 throw error(
"set_shift: expected Gray or Gray+Alpha color type");
374#if defined(PNG_READ_INTERLACING_SUPPORTED) \
375 || defined(PNG_WRITE_INTERLACING_SUPPORTED)
383#if defined(PNG_READ_INVERT_SUPPORTED) || defined(PNG_WRITE_INVERT_SUPPORTED)
391#if defined(PNG_READ_16_TO_8_SUPPORTED)
399#if defined(PNG_READ_USER_TRANSFORM_SUPPORTED)
407#if defined(PNG_READ_USER_TRANSFORM_SUPPORTED) \
408 || defined(PNG_WRITE_USER_TRANSFORM_SUPPORTED)
412 " channels=%d\n", bit_depth, channels);
Internal class to hold PNG ending info.
Definition end_info.hpp:46
Exception class to represent runtime errors related to png++ operation.
Definition error.hpp:59
Holds information about PNG image.
Definition image_info.hpp:48
void set_interlace_type(interlace_type interlace)
Definition image_info.hpp:112
void set_color_type(color_type color_space)
Definition image_info.hpp:92
void set_width(uint_32 width)
Definition image_info.hpp:72
uint_32 get_width() const
Definition image_info.hpp:67
interlace_type get_interlace_type() const
Definition image_info.hpp:107
color_type get_color_type() const
Definition image_info.hpp:87
int get_bit_depth() const
Definition image_info.hpp:97
void set_compression_type(compression_type compression)
Definition image_info.hpp:122
uint_32 get_height() const
Definition image_info.hpp:77
filter_type get_filter_type() const
Definition image_info.hpp:127
compression_type get_compression_type() const
Definition image_info.hpp:117
void set_filter_type(filter_type filter)
Definition image_info.hpp:132
void set_bit_depth(int bit_depth)
Definition image_info.hpp:102
void set_height(uint_32 height)
Definition image_info.hpp:82
png_info * get_png_info() const
Definition info_base.hpp:59
Holds information about PNG image. Adapter class for IO image operations.
Definition info.hpp:48
Base class for PNG reader/writer classes.
Definition io_base.hpp:63
info const & get_info() const
Definition io_base.hpp:92
std::string m_error
Definition io_base.hpp:462
void * get_io_ptr() const
Definition io_base.hpp:419
int set_interlace_handling() const
Definition io_base.hpp:376
bool has_chunk(chunk id)
Definition io_base.hpp:192
int get_bit_depth() const
Definition io_base.hpp:150
void set_interlace_type(interlace_type interlace)
Definition io_base.hpp:165
info m_info
Definition io_base.hpp:460
png_struct * m_png
Definition io_base.hpp:459
void set_filter_type(filter_type filter)
Definition io_base.hpp:185
void set_error(char const *message)
Definition io_base.hpp:424
void set_bgr() const
Definition io_base.hpp:220
info & get_info()
Definition io_base.hpp:87
void set_shift(byte gray_bits, byte alpha_bits=0) const
Definition io_base.hpp:357
static void raise_error(png_struct *png, char const *message)
Definition io_base.hpp:452
void set_shift(byte red_bits, byte green_bits, byte blue_bits, byte alpha_bits=0) const
Definition io_base.hpp:337
end_info m_end_info
Definition io_base.hpp:461
void set_color_type(color_type color_space)
Definition io_base.hpp:145
void set_swap_alpha() const
Definition io_base.hpp:275
void set_height(uint_32 height)
Definition io_base.hpp:135
void set_tRNS_to_alpha() const
Definition io_base.hpp:212
bool is_error() const
Definition io_base.hpp:442
void set_gray_to_rgb() const
Definition io_base.hpp:228
end_info & get_end_info()
Definition io_base.hpp:107
void set_palette_to_rgb() const
Definition io_base.hpp:206
io_base(png_struct *png)
Definition io_base.hpp:68
void set_packing() const
Definition io_base.hpp:320
void set_packswap() const
Definition io_base.hpp:329
void set_compression_type(compression_type compression)
Definition io_base.hpp:175
uint_32 get_height() const
Definition io_base.hpp:130
void set_rgb_to_gray(rgb_to_gray_error_action error_action=rgb_to_gray_silent, fixed_point red_weight=-1, fixed_point green_weight=-1) const
Definition io_base.hpp:248
void set_filler(uint_32 filler, filler_type type) const
Definition io_base.hpp:292
image_info const & get_image_info() const
Definition io_base.hpp:97
void set_invert_mono() const
Definition io_base.hpp:384
void set_image_info(image_info const &info)
Definition io_base.hpp:102
void set_strip_alpha() const
Definition io_base.hpp:266
compression_type get_compression_type() const
Definition io_base.hpp:170
void set_bit_depth(int bit_depth)
Definition io_base.hpp:155
color_type get_color_type() const
Definition io_base.hpp:140
void set_rgb_to_gray(rgb_to_gray_error_action error_action=rgb_to_gray_silent, double red_weight=-1.0, double green_weight=-1.0) const
Definition io_base.hpp:236
void set_invert_alpha() const
Definition io_base.hpp:284
png_struct * get_png_struct() const
Definition io_base.hpp:82
void set_swap() const
Definition io_base.hpp:312
void set_user_transform_info(void *info, int bit_depth, int channels)
Definition io_base.hpp:409
~io_base()
Definition io_base.hpp:75
uint_32 get_width() const
Definition io_base.hpp:120
void set_gray_1_2_4_to_8() const
Definition io_base.hpp:200
void set_add_alpha(uint_32 filler, filler_type type) const
Definition io_base.hpp:301
filter_type get_filter_type() const
Definition io_base.hpp:180
void set_width(uint_32 width)
Definition io_base.hpp:125
void raise_error()
Definition io_base.hpp:447
void set_read_user_transform(png_user_transform_ptr transform_fn)
Definition io_base.hpp:400
interlace_type get_interlace_type() const
Definition io_base.hpp:160
void set_strip_16() const
Definition io_base.hpp:392
void reset_error()
Definition io_base.hpp:430
end_info const & get_end_info() const
Definition io_base.hpp:112
The PNG reader class template. This is the low-level reading interface–use image class or consumer cl...
Definition reader.hpp:67
rgb_to_gray_error_action
Definition types.hpp:73
@ rgb_to_gray_silent
Definition types.hpp:74
filler_type
Definition types.hpp:67
interlace_type
Definition types.hpp:80
color_type
Definition types.hpp:47
@ color_type_gray
Definition types.hpp:49
@ color_type_rgb_alpha
Definition types.hpp:52
@ color_type_rgb
Definition types.hpp:51
@ color_type_gray_alpha
Definition types.hpp:53
png_uint_32 uint_32
Definition types.hpp:41
compression_type
Definition types.hpp:86
chunk
Definition types.hpp:99
filter_type
Definition types.hpp:92