GRASS GIS 8 Programmer's Manual
8.4.1(2025)-45ca3179ab
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draw_point.c
Go to the documentation of this file.
1
#include <math.h>
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#include "
pngdriver.h
"
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void
PNG_draw_point
(
double
fx,
double
fy)
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{
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int
x
= (int)floor(fx + 0.5);
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int
y = (int)floor(fy + 0.5);
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if
(
x < png.clip_left || x >
=
png
.clip_rite || y <
png
.clip_top ||
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y >=
png
.clip_bot)
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return
;
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png
.grid[y *
png
.width +
x
] =
png
.current_color;
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png
.modified = 1;
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}
PNG_draw_point
void PNG_draw_point(double fx, double fy)
Definition
draw_point.c:4
png
struct png_state png
Definition
pngdriver/graph_set.c:32
pngdriver.h
GRASS png display driver - header file.
x
#define x
pngdriver
draw_point.c
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