banan-os/userspace/WindowServer/Utils.h

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#pragma once
#include <BAN/Math.h>
#include <BAN/Optional.h>
#include <stdint.h>
struct Position
{
int32_t x;
int32_t y;
};
struct Rectangle
{
int32_t x;
int32_t y;
int32_t width;
int32_t height;
bool contains(Position position) const
{
if (position.x < x || position.x >= x + width)
return false;
if (position.y < y || position.y >= y + height)
return false;
return true;
}
BAN::Optional<Rectangle> get_overlap(Rectangle other) const
{
const auto min_x = BAN::Math::max(x, other.x);
const auto min_y = BAN::Math::max(y, other.y);
const auto max_x = BAN::Math::min(x + width, other.x + other.width);
const auto max_y = BAN::Math::min(y + height, other.y + other.height);
if (min_x >= max_x || min_y >= max_y)
return {};
return Rectangle {
.x = min_x,
.y = min_y,
.width = max_x - min_x,
.height = max_y - min_y,
};
}
Rectangle get_bounding_box(Rectangle other) const
{
const auto min_x = BAN::Math::min(x, other.x);
const auto min_y = BAN::Math::min(y, other.y);
const auto max_x = BAN::Math::max(x + width, other.x + other.width);
const auto max_y = BAN::Math::max(y + height, other.y + other.height);
return Rectangle {
.x = min_x,
.y = min_y,
.width = max_x - min_x,
.height = max_y - min_y,
};
}
};