aapolygonRgba function
Implementation
bool aapolygonRgba(
Pointer<SdlRenderer> renderer,
Pointer<Int16> vx,
Pointer<Int16> vy,
int n,
int r,
int g,
int b,
int a, {
int blendMode = SDL_BLENDMODE_BLEND,
}) {
var result = true;
int i;
/*
* Vertex array NULL check
*/
if (vx == nullptr) {
return false;
}
if (vy == nullptr) {
return false;
}
/*
* Sanity check
*/
if (n < 3) {
return false;
}
/*
* Pointer setup
*/
/*
* Draw
*/
result = true;
for (i = 1; i < n; i++) {
if (result) {
result = _aalineRgba(
renderer,
vx[i - 1].toDouble(),
vy[i - 1].toDouble(),
vx[i].toDouble(),
vy[i].toDouble(),
r,
g,
b,
a,
0,
blendMode: blendMode,
);
}
}
if (result) {
result = _aalineRgba(
renderer,
vx[n - 1].toDouble(),
vy[n - 1].toDouble(),
vx[0].toDouble(),
vy[0].toDouble(),
r,
g,
b,
a,
0,
blendMode: blendMode,
);
}
return result;
}