GRASS GIS 8 Programmer's Manual 8.4.0(2024)-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 ||
10 y >= png.clip_bot)
11 return;
12
14
15 png.modified = 1;
16}
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:41
double clip_top
Definition: pngdriver.h:41
int current_color
Definition: pngdriver.h:33
unsigned int * grid
Definition: pngdriver.h:43
int width
Definition: pngdriver.h:42
double clip_rite
Definition: pngdriver.h:41
int modified
Definition: pngdriver.h:46
#define x