GRASS GIS 8 Programmer's Manual 8.2.1RC1(2022)-exported
draw_point.c
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1#include <math.h>
2#include "pngdriver.h"
3
4void PNG_draw_point(double fx, double fy)
5{
6 int x = (int) floor(fx + 0.5);
7 int y = (int) floor(fy + 0.5);
8
9 if (x < png.clip_left || x >= png.clip_rite || y < png.clip_top || y >= png.clip_bot)
10 return;
11
13
14 png.modified = 1;
15}
void PNG_draw_point(double fx, double fy)
Definition: draw_point.c:4
struct png_state png
GRASS png display driver - header file.
double clip_bot
Definition: pngdriver.h:42
int current_color
Definition: pngdriver.h:34
unsigned int * grid
Definition: pngdriver.h:44
int width
Definition: pngdriver.h:43
double clip_rite
Definition: pngdriver.h:42
int modified
Definition: pngdriver.h:47
#define x