imageio_png.c File Reference

#include <assert.h>
#include <inttypes.h>
#include <memory.h>
#include <png.h>
#include <stdio.h>
#include <strings.h>
#include "common/colorspaces.h"
#include "common/darktable.h"
#include "imageio_png.h"
#include "common/exif.h"
#include "control/conf.h"
#include "develop/develop.h"
#include "imageio.h"
#include "imageio_tiff.h"

Include dependency graph for imageio_png.c:

Macros
#define	NUM_BYTES_CHECK   (8)

Functions
int	read_header (const char *filename, dt_imageio_png_t *png)
int	read_image (dt_imageio_png_t *png, void *out)
dt_imageio_retval_t	dt_imageio_open_png (dt_image_t *img, const char *filename, dt_mipmap_buffer_t *mbuf)
int	dt_imageio_png_read_profile (const char *filename, uint8_t **out)

Macro Definition Documentation

NUM_BYTES_CHECK

#define NUM_BYTES_CHECK   (8)

Function Documentation

dt_imageio_open_png()

dt_imageio_retval_t dt_imageio_open_png	(	dt_image_t *	img,
		const char *	filename,
		dt_mipmap_buffer_t *	mbuf
	)

References dt_imageio_png_t::bit_depth, bpp, dt_image_t::buf_dsc, dt_iop_buffer_dsc_t::channels, dt_iop_buffer_dsc_t::cst, dt_iop_buffer_dsc_t::datatype, dt_alloc_align, dt_exif_read(), dt_free_align, DT_IMAGE_LDR, DT_IMAGEIO_CACHE_FULL, DT_IMAGEIO_FILE_CORRUPTED, DT_IMAGEIO_OK, dt_mipmap_cache_alloc(), dt_image_t::exif_inited, dt_imageio_png_t::f, dt_image_t::filename, dt_iop_buffer_dsc_t::filters, dt_image_t::flags, height, dt_image_t::height, dt_imageio_png_t::height, dt_imageio_png_t::info_ptr, IOP_CS_RGB, dt_image_t::loader, LOADER_PNG, dt_imageio_png_t::png_ptr, read_header(), read_image(), TYPE_FLOAT, void(), width, dt_image_t::width, and dt_imageio_png_t::width.

Referenced by dt_imageio_open_raster().

dt_imageio_png_read_profile()

int dt_imageio_png_read_profile	(	const char *	filename,
		uint8_t **	out
	)

References DT_IMAGEIO_FILE_CORRUPTED, dt_imageio_png_t::f, dt_imageio_png_t::info_ptr, name, dt_imageio_png_t::png_ptr, and read_header().

Referenced by dt_image_find_best_color_profile().

read_header()

int read_header	(	const char *	filename,
		dt_imageio_png_t *	png
	)

References dt_imageio_png_t::bit_depth, dt_imageio_png_t::color_type, dt_imageio_png_t::f, dt_imageio_png_t::height, dt_imageio_png_t::info_ptr, NUM_BYTES_CHECK, dt_imageio_png_t::png_ptr, and dt_imageio_png_t::width.

Referenced by calculate_clut_haldclut(), dt_imageio_open_png(), and dt_imageio_png_read_profile().

read_image()

int read_image	(	dt_imageio_png_t *	png,
		void *	out
	)

References dt_imageio_png_t::f, dt_imageio_png_t::height, dt_imageio_png_t::info_ptr, and dt_imageio_png_t::png_ptr.

Referenced by calculate_clut_haldclut(), and dt_imageio_open_png().