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Add docs, comments and Pixmap.clone()

This commit is contained in:
Elias Batek 2024-04-24 02:34:28 +02:00
parent 762280aa4c
commit 9bc0dd74ea
2 changed files with 16 additions and 0 deletions
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3
core.d
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@ -208,6 +208,9 @@ version(Posix) {
calc(a.y, b.y).typeCast!int, calc(a.y, b.y).typeCast!int,
); );
--- ---
History:
Added April 24, 2024
+/ +/
auto ref T typeCast(T, S)(auto ref S v) { auto ref T typeCast(T, S)(auto ref S v) {
return cast(T) v; return cast(T) v;

13
pixmappaint.d
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@ -60,6 +60,16 @@ struct Pixmap {
this.width = width; this.width = width;
} }
/++
Creates a $(I deep clone) of the Pixmap
+/
Pixmap clone() const {
auto c = Pixmap();
c.width = this.width;
c.data = this.data.dup;
return c;
}
// undocumented: really shouldn’t be used. // undocumented: really shouldn’t be used.
// carries the risks of `length` and `width` getting out of sync accidentally. // carries the risks of `length` and `width` getting out of sync accidentally.
deprecated("Use `size` instead.") deprecated("Use `size` instead.")
@ -234,6 +244,9 @@ struct Pixmap {
void drawLine(Pixmap target, Point a, Point b, Pixel color) { void drawLine(Pixmap target, Point a, Point b, Pixel color) {
import std.math : round, sqrt; import std.math : round, sqrt;
// TODO: line width
// TODO: anti-aliasing (looks awful without it!)
float deltaX = b.x - a.x; float deltaX = b.x - a.x;
float deltaY = b.y - a.y; float deltaY = b.y - a.y;
int steps = sqrt(deltaX * deltaX + deltaY * deltaY).typeCast!int; int steps = sqrt(deltaX * deltaX + deltaY * deltaY).typeCast!int;