readpng.C File Reference

#include <stdio.h>
#include <stdlib.h>
#include "png.h"
#include "readpng.h"

Go to the source code of this file.

Defines
#define	png_jmpbuf(png_ptr)   ((png_ptr)->jmpbuf)
Functions
int	readpng_init (FILE *infile, ulg *pWidth, ulg *pHeight)
int	readpng_get_bgcolor (uch *red, uch *green, uch *blue)
uch *	readpng_get_image (double display_exponent, int *pChannels, ulg *pRowbytes)
void	readpng_cleanup (int free_image_data)
Variables
static png_structp	png_ptr = NULL
static png_infop	info_ptr = NULL
png_uint_32	width
png_uint_32	height
int	bit_depth
int	color_type
uch *	image_data = NULL

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Define Documentation

#define png_jmpbuf (  png_ptr   )     ((png_ptr)->jmpbuf)

Definition at line 46 of file readpng.C. Referenced by readpng_get_bgcolor(), readpng_get_image(), and readpng_init().

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Function Documentation

void readpng_cleanup (  int  free_image_data  )

Definition at line 264 of file readpng.C. References image_data, info_ptr, and png_ptr.

int readpng_get_bgcolor (  uch *  red, uch *  green, uch *  blue )

Definition at line 126 of file readpng.C. References bit_depth, color_type, info_ptr, png_jmpbuf, and png_ptr.

uch* readpng_get_image (  double  display_exponent, int *  pChannels, ulg *  pRowbytes )

Definition at line 178 of file readpng.C. References bit_depth, color_type, height, image_data, info_ptr, png_jmpbuf, png_ptr, and Trace. Referenced by PNG_ImExportFile::import_data().

int readpng_init (  FILE *  infile, ulg *  pWidth, ulg *  pHeight )

Definition at line 59 of file readpng.C. References bit_depth, color_type, height, info_ptr, png_jmpbuf, png_ptr, and width. Referenced by PNG_ImExportFile::import_data().

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Variable Documentation

int bit_depth

Definition at line 54 of file readpng.C. Referenced by readpng_get_bgcolor(), readpng_get_image(), and readpng_init().

int color_type

Definition at line 54 of file readpng.C. Referenced by readpng_get_bgcolor(), readpng_get_image(), readpng_init(), and writepng_init().

png_uint_32 height

Definition at line 53 of file readpng.C. Referenced by gtk_spin_button_sci_draw_arrow(), readpng_get_image(), and readpng_init().

uch* image_data = NULL

Definition at line 55 of file readpng.C. Referenced by PNG_ImExportFile::import_data(), readpng_cleanup(), and readpng_get_image().

png_infop info_ptr = NULL [static]

Definition at line 51 of file readpng.C. Referenced by readpng_cleanup(), readpng_get_bgcolor(), readpng_get_image(), readpng_init(), writepng_cleanup(), writepng_encode_finish(), writepng_encode_image(), writepng_encode_row(), and writepng_init().

png_structp png_ptr = NULL [static]

Definition at line 50 of file readpng.C. Referenced by readpng_cleanup(), readpng_get_bgcolor(), readpng_get_image(), readpng_init(), writepng_cleanup(), writepng_encode_finish(), writepng_encode_image(), writepng_encode_row(), and writepng_init().

png_uint_32 width

Definition at line 53 of file readpng.C. Referenced by gtk_spin_button_sci_draw_arrow(), gtk_spin_button_sci_size_request(), main(), MonitorControl::MonitorControl(), readpng_init(), RemoteControl::run(), and VacancyLineAnalysis_run().

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