pngdriver/Raster.c File Reference

#include <string.h>
#include <math.h>
#include <grass/gis.h>
#include "driver.h"
#include "pngdriver.h"

Include dependency graph for pngdriver/Raster.c:

Go to the source code of this file.

Macros
#define	min(a, b)   ((a)<(b)?(a):(b))
#define	max(a, b)   ((a)>(b)?(a):(b))

Functions
void	PNG_begin_scaled_raster (int mask, int s[2][2], int d[2][2])
int	PNG_scaled_raster (int n, int row, const unsigned char *red, const unsigned char *grn, const unsigned char *blu, const unsigned char *nul)

Macro Definition Documentation

#define max	(		a,
			b
	)		((a)>(b)?(a):(b))

Definition at line 12 of file pngdriver/Raster.c.

Referenced by PNG_scaled_raster().

#define min	(		a,
			b
	)		((a)<(b)?(a):(b))

Definition at line 9 of file pngdriver/Raster.c.

Referenced by PNG_scaled_raster().

Function Documentation

void PNG_begin_scaled_raster	(	int	mask,
		int	s[2][2],
		int	d[2][2]
	)

Definition at line 60 of file pngdriver/Raster.c.

Referenced by PNG_Driver().

int PNG_scaled_raster	(	int	n,
		int	row,
		const unsigned char *	red,
		const unsigned char *	grn,
		const unsigned char *	blu,
		const unsigned char *	nul
	)

Definition at line 76 of file pngdriver/Raster.c.

References clip_bot, clip_left, clip_rite, clip_top, get_color(), grid, max, min, modified, dialogs::width, and y.

Referenced by PNG_Driver().