#include <stdbool.h>
#include <errno.h>
#include <stdio.h>
#include <png.h>
#include <stdlib.h>
#include <string.h>

Include dependency graph for convert_image.c:

Macros
#define	png_set_expand_gray_1_2_4_to_8(png) png_set_gray_1_2_4_to_8(png)

#define	WIDTH (is_cursor?raw_width-1:raw_width)

#define	HEIGHT (is_cursor?raw_height-1:raw_height)

#define	HOT_X (is_cursor?raw_hot_x-1:0)

#define	HOT_Y (is_cursor?raw_hot_y-1:0)

#define	REAL(v) (is_cursor?v+1:v)

#define	PPIX_AT(x, y) ((bitmap_data + (rowstride * y)) + (x * 4))

#define	R_OFF 2

#define	G_OFF 1

#define	B_OFF 0

#define	A_OFF 3

#define	R_AT(x, y) *(PPIX_AT(x,y) + R_OFF)

#define	G_AT(x, y) *(PPIX_AT(x,y) + G_OFF)

#define	B_AT(x, y) *(PPIX_AT(x,y) + B_OFF)

#define	A_AT(x, y) *(PPIX_AT(x,y) + A_OFF)

Functions
static void	usage (void)

static void	detect_hotspot (void)

static void	info_callback (png_structp png, png_infop info)

static void	row_callback (png_structp png, png_bytep new_row, png_uint_32 row_num, int pass)

static void	end_callback (png_structp png, png_infop info)

int	main (int argc, char **argv)
	Normal entry point from OS. More...

Variables
static png_structp	png

static png_infop	info

static int	interlace

static size_t	rowbytes

static int	raw_width

static int	raw_height

static int	rowstride

static unsigned char *	bitmap_data

static bool	is_cursor = true

static int	raw_hot_x

static int	raw_hot_y

static unsigned int	interlace_start [8] = {0, 16, 0, 8, 0, 4, 0}

static unsigned int	interlace_step [8] = {28, 28, 12, 12, 4, 4, 0}

static unsigned int	interlace_row_start [8] = {0, 0, 4, 0, 2, 0, 1}

static unsigned int	interlace_row_step [8] = {8, 8, 8, 4, 4, 2, 2}

Macro Definition Documentation

◆ A_AT

#define A_AT	(	x,
		y
	)	*(PPIX_AT(x,y) + A_OFF)

Definition at line 58 of file convert_image.c.

Referenced by detect_hotspot().

◆ A_OFF

#define A_OFF 3

Definition at line 53 of file convert_image.c.

◆ B_AT

#define B_AT	(	x,
		y
	)	*(PPIX_AT(x,y) + B_OFF)

Definition at line 57 of file convert_image.c.

Referenced by detect_hotspot().

◆ B_OFF

#define B_OFF 0

Definition at line 52 of file convert_image.c.

◆ G_AT

#define G_AT	(	x,
		y
	)	*(PPIX_AT(x,y) + G_OFF)

Definition at line 56 of file convert_image.c.

Referenced by detect_hotspot().

◆ G_OFF

#define G_OFF 1

Definition at line 51 of file convert_image.c.

◆ HEIGHT

#define HEIGHT (is_cursor?raw_height-1:raw_height)

Definition at line 41 of file convert_image.c.

Referenced by main().

◆ HOT_X

#define HOT_X (is_cursor?raw_hot_x-1:0)

Definition at line 43 of file convert_image.c.

Referenced by main().

◆ HOT_Y

#define HOT_Y (is_cursor?raw_hot_y-1:0)

Definition at line 44 of file convert_image.c.

Referenced by main().

◆ png_set_expand_gray_1_2_4_to_8

#define png_set_expand_gray_1_2_4_to_8 ( png ) png_set_gray_1_2_4_to_8(png)

Definition at line 27 of file convert_image.c.

Referenced by info_callback().

◆ PPIX_AT

#define PPIX_AT	(	x,
		y
	)	((bitmap_data + (rowstride * y)) + (x * 4))

Definition at line 48 of file convert_image.c.

◆ R_AT

#define R_AT	(	x,
		y
	)	*(PPIX_AT(x,y) + R_OFF)

Definition at line 55 of file convert_image.c.

Referenced by detect_hotspot().

◆ R_OFF

#define R_OFF 2

Definition at line 50 of file convert_image.c.

◆ REAL

#define REAL ( v ) (is_cursor?v+1:v)

Definition at line 46 of file convert_image.c.

◆ WIDTH

#define WIDTH (is_cursor?raw_width-1:raw_width)

Definition at line 40 of file convert_image.c.

Referenced by main().

Function Documentation

◆ detect_hotspot()

static void detect_hotspot ( void )

static

Definition at line 69 of file convert_image.c.

References A_AT, B_AT, G_AT, is_cursor, R_AT, raw_height, raw_hot_x, raw_hot_y, and raw_width.

Referenced by main().

Here is the caller graph for this function:

◆ end_callback()

static void end_callback	(	png_structp	png,
		png_infop	info
	)

static

Definition at line 205 of file convert_image.c.

Referenced by main().

Here is the caller graph for this function:

◆ info_callback()

static void info_callback	(	png_structp	png,
		png_infop	info
	)

static

Definition at line 119 of file convert_image.c.

References bitmap_data, height, interlace, png_set_expand_gray_1_2_4_to_8, raw_height, raw_width, rowbytes, rowstride, and width.

Referenced by main().

Here is the caller graph for this function:

◆ main()

int main	(	int	argc,
		char **	argv
	)

Normal entry point from OS.

/param argc The number of arguments in the string vector. /param argv The argument string vector. /return The return code to the OS

Normal entry point from OS.

Todo:: logging file descriptor update belongs in a nslog_init callback

Todo:: decide if message load faliure should be fatal

Definition at line 211 of file convert_image.c.

References bitmap_data, buffer, detect_hotspot(), end_callback(), HEIGHT, HOT_X, HOT_Y, info, info_callback(), is_cursor, png, row_callback(), rowstride, usage(), and WIDTH.

Here is the call graph for this function:

◆ row_callback()

static void row_callback	(	png_structp	png,
		png_bytep	new_row,
		png_uint_32	row_num,
		int	pass
	)

static

Definition at line 174 of file convert_image.c.

References bitmap_data, interlace, interlace_row_start, interlace_row_step, interlace_start, interlace_step, rowbytes, and rowstride.

Referenced by main().

Here is the caller graph for this function:

◆ usage()

static void usage ( void )

static

Definition at line 62 of file convert_image.c.

Referenced by main().

Here is the caller graph for this function:

Variable Documentation

◆ bitmap_data

unsigned char* bitmap_data

static

Definition at line 36 of file convert_image.c.

Referenced by info_callback(), main(), and row_callback().

◆ info

png_infop info

static

Definition at line 31 of file convert_image.c.

Referenced by fetch_filetype(), free_ns_cert_info(), gui_window_scroll_start(), gui_window_update_extent(), NSBaseView::Instantiate(), main(), nsbeos_find_app_path(), nsbeos_replicant_main_thread(), nsgtk_download_dialog_show(), nsgtk_download_store_update_item(), nsgtk_menu_help_submenu(), nsgtk_menu_initialise(), ro_cw_invalidate(), ro_gui_theme_get_available_in_dir(), and ro_gui_window_invalidate_area().

◆ interlace

int interlace

static

Definition at line 32 of file convert_image.c.

Referenced by info_callback(), and row_callback().

◆ interlace_row_start

unsigned int interlace_row_start[8] = {0, 0, 4, 0, 2, 0, 1}

static

Definition at line 170 of file convert_image.c.

Referenced by row_callback().

◆ interlace_row_step

unsigned int interlace_row_step[8] = {8, 8, 8, 4, 4, 2, 2}

static

Definition at line 171 of file convert_image.c.

Referenced by row_callback().

◆ interlace_start

unsigned int interlace_start[8] = {0, 16, 0, 8, 0, 4, 0}

static

Definition at line 168 of file convert_image.c.

Referenced by row_callback().

◆ interlace_step

unsigned int interlace_step[8] = {28, 28, 12, 12, 4, 4, 0}

static

Definition at line 169 of file convert_image.c.

Referenced by row_callback().

◆ is_cursor

bool is_cursor = true

static

Definition at line 37 of file convert_image.c.

Referenced by detect_hotspot(), and main().

◆ png

png_structp png

static

Definition at line 30 of file convert_image.c.

Referenced by main().

◆ raw_height

int raw_height

static

Definition at line 34 of file convert_image.c.

Referenced by detect_hotspot(), and info_callback().

◆ raw_hot_x

int raw_hot_x

static

Definition at line 38 of file convert_image.c.

Referenced by detect_hotspot().

◆ raw_hot_y

int raw_hot_y

static

Definition at line 38 of file convert_image.c.

Referenced by detect_hotspot().

◆ raw_width

int raw_width

static

Definition at line 34 of file convert_image.c.

Referenced by detect_hotspot(), and info_callback().

◆ rowbytes

size_t rowbytes

static

Definition at line 33 of file convert_image.c.

Referenced by info_callback(), and row_callback().

◆ rowstride

int rowstride

static

Definition at line 35 of file convert_image.c.

Referenced by atari_bitmap_create_ex(), atari_bitmap_realloc(), info_callback(), jpeg_cache_convert(), main(), row_callback(), rsvg_argb_to_abgr(), and webp_cache_convert().

Macros

Functions

Variables

Macro Definition Documentation

◆ A_AT

◆ A_OFF

◆ B_AT

◆ B_OFF

◆ G_AT

◆ G_OFF

◆ HEIGHT

◆ HOT_X

◆ HOT_Y

◆ png_set_expand_gray_1_2_4_to_8

◆ PPIX_AT

◆ R_AT

◆ R_OFF

◆ REAL

◆ WIDTH

Function Documentation

◆ detect_hotspot()

◆ end_callback()

◆ info_callback()

◆ main()

◆ row_callback()

◆ usage()

Variable Documentation

◆ bitmap_data

◆ info

◆ interlace

◆ interlace_row_start

◆ interlace_row_step

◆ interlace_start

◆ interlace_step

◆ is_cursor

◆ png

◆ raw_height

◆ raw_hot_x

◆ raw_hot_y

◆ raw_width

◆ rowbytes

◆ rowstride