moved to root
This commit is contained in:
Andrew Zambazos
@@ -0,0 +1,660 @@
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/**************************************************************************************************
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* This file is a part of Ultralight. *
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* *
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* See <https://ultralig.ht> for licensing and more. *
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* *
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* (C) 2024 Ultralight, Inc. *
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**************************************************************************************************/
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#pragma once
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#include <Ultralight/Defines.h>
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#include <memory.h>
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#include <cmath>
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#include <cstring>
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#include <algorithm>
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namespace ultralight {
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///
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/// 2D Vector Helper
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///
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struct UExport vec2 {
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float x, y;
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inline vec2() : x(0.0f), y(0.0f) { }
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inline vec2(float x, float y) : x(x), y(y) {}
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inline vec2(float x) : x(x), y(x) {}
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inline vec2 yx() const { return { y, x }; }
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inline vec2 xx() const { return { x, x }; }
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inline vec2 yy() const { return { y, y }; }
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inline friend vec2 operator+(vec2 lhs, const vec2& rhs) { lhs += rhs; return lhs; }
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inline friend vec2 operator-(vec2 lhs, const vec2& rhs) { lhs -= rhs; return lhs; }
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inline friend vec2 operator*(vec2 lhs, const vec2& rhs) { lhs *= rhs; return lhs; }
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inline friend vec2 operator/(vec2 lhs, const vec2& rhs) { lhs /= rhs; return lhs; }
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inline friend vec2 operator+(vec2 lhs, float rhs) { lhs += rhs; return lhs; }
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inline friend vec2 operator-(vec2 lhs, float rhs) { lhs -= rhs; return lhs; }
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inline friend vec2 operator*(vec2 lhs, float rhs) { lhs *= rhs; return lhs; }
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inline friend vec2 operator/(vec2 lhs, float rhs) { lhs /= rhs; return lhs; }
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inline vec2& operator+=(const vec2& rhs) {
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x += rhs.x;
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y += rhs.y;
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return *this;
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}
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inline vec2& operator-=(const vec2& rhs) {
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x -= rhs.x;
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y -= rhs.y;
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return *this;
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}
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inline vec2& operator*=(const vec2& rhs) {
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x *= rhs.x;
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y *= rhs.y;
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return *this;
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}
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inline vec2& operator/=(const vec2& rhs) {
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x /= rhs.x;
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y /= rhs.y;
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return *this;
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}
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inline vec2& operator+=(float rhs) {
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x += rhs;
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y += rhs;
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return *this;
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}
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inline vec2& operator-=(float rhs) {
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x -= rhs;
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y -= rhs;
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return *this;
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}
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inline vec2& operator*=(float rhs) {
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x *= rhs;
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y *= rhs;
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return *this;
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}
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inline vec2& operator/=(float rhs) {
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x /= rhs;
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y /= rhs;
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return *this;
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}
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inline friend bool operator==(const vec2& a, const vec2& b) {
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return !memcmp(&a, &b, sizeof(a));
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}
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inline friend bool operator!=(const vec2& a, const vec2& b) {
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return !(a == b);
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}
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inline friend vec2 min_(const vec2& a, const vec2& b) {
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return{ (b.x < a.x) ? b.x : a.x,
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(b.y < a.y) ? b.y : a.y };
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}
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inline friend vec2 max_(const vec2& a, const vec2& b) {
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return{ (a.x < b.x) ? b.x : a.x,
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(a.y < b.y) ? b.y : a.y };
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}
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inline friend vec2 clamp(const vec2& x, const vec2& minVal, const vec2& maxVal) {
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return min_(max_(x, minVal), maxVal);
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}
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inline friend vec2 mix(const vec2& a, const vec2& b, float t) {
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return a * (1.0f - t) + b * t;
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}
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inline friend float length(const vec2& a) {
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return sqrtf(a.x * a.x + a.y * a.y);
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}
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// squared length
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inline friend float length2(const vec2& a) {
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return dot(a, a);
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}
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inline friend float distance(const vec2& a, const vec2& b) {
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return length(a - b);
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}
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// squared distance
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inline friend float distance2(const vec2& a, const vec2& b) {
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return length2(a - b);
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}
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inline friend vec2 normalize(const vec2& a) {
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return a / length(a);
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}
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inline friend float dot(const vec2& a, const vec2& b) {
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return a.x * b.x + a.y * b.y;
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}
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};
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///
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/// 3D Vector Helper
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///
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struct UExport vec3 {
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float x, y, z;
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inline vec3() : x(0.0f), y(0.0f), z(0.0f) { }
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inline vec3(float x, float y, float z) : x(x), y(y), z(z) {}
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inline vec3(float x) : x(x), y(x), z(x) {}
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inline friend vec3 operator+(vec3 lhs, const vec3& rhs) { lhs += rhs; return lhs; }
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inline friend vec3 operator-(vec3 lhs, const vec3& rhs) { lhs -= rhs; return lhs; }
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inline friend vec3 operator*(vec3 lhs, const vec3& rhs) { lhs *= rhs; return lhs; }
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inline friend vec3 operator/(vec3 lhs, const vec3& rhs) { lhs /= rhs; return lhs; }
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inline friend vec3 operator+(vec3 lhs, float rhs) { lhs += rhs; return lhs; }
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inline friend vec3 operator-(vec3 lhs, float rhs) { lhs -= rhs; return lhs; }
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inline friend vec3 operator*(vec3 lhs, float rhs) { lhs *= rhs; return lhs; }
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inline friend vec3 operator/(vec3 lhs, float rhs) { lhs /= rhs; return lhs; }
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inline vec3& operator+=(const vec3& rhs) {
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x += rhs.x;
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y += rhs.y;
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z += rhs.z;
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return *this;
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}
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inline vec3& operator-=(const vec3& rhs) {
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x -= rhs.x;
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y -= rhs.y;
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z -= rhs.z;
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return *this;
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}
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inline vec3& operator*=(const vec3& rhs) {
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x *= rhs.x;
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y *= rhs.y;
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z *= rhs.z;
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return *this;
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}
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inline vec3& operator/=(const vec3& rhs) {
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x /= rhs.x;
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y /= rhs.y;
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z /= rhs.z;
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return *this;
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}
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inline vec3& operator+=(float rhs) {
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x += rhs;
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y += rhs;
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z += rhs;
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return *this;
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}
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inline vec3& operator-=(float rhs) {
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x -= rhs;
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y -= rhs;
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z -= rhs;
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return *this;
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}
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inline vec3& operator*=(float rhs) {
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x *= rhs;
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y *= rhs;
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z *= rhs;
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return *this;
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}
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inline vec3& operator/=(float rhs) {
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x /= rhs;
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y /= rhs;
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z /= rhs;
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return *this;
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}
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inline friend bool operator==(const vec3& a, const vec3& b) {
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return !memcmp(&a, &b, sizeof(a));
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}
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inline friend bool operator!=(const vec3& a, const vec3& b) {
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return !(a == b);
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}
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inline friend vec3 min_(const vec3& a, const vec3& b) {
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return{ (b.x < a.x) ? b.x : a.x,
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(b.y < a.y) ? b.y : a.y,
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(b.z < a.z) ? b.z : a.z };
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}
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inline friend vec3 max_(const vec3& a, const vec3& b) {
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return{ (a.x < b.x) ? b.x : a.x,
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(a.y < b.y) ? b.y : a.y,
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(a.z < b.z) ? b.z : a.z };
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}
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inline friend vec3 clamp(const vec3& x, const vec3& minVal, const vec3& maxVal) {
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return min_(max_(x, minVal), maxVal);
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}
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inline friend vec3 mix(const vec3& a, const vec3& b, float t) {
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return a * (1.0f - t) + b * t;
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}
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inline friend float length(const vec3& a) {
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return sqrtf(a.x * a.x + a.y * a.y + a.z * a.z);
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}
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inline friend float distance(const vec3& a, const vec3& b) {
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return length(a - b);
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}
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inline friend vec3 normalize(const vec3& a) {
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return a / length(a);
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}
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inline friend float dot(const vec3& a, const vec3& b) {
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return a.x * b.x + a.y * b.y + a.z * b.z;
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}
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};
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///
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/// 4D Vector Helper
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///
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struct UExport vec4 {
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float x, y, z, w;
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inline vec4() : x(0.0f), y(0.0f), z(0.0f), w(0.0f) { }
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inline vec4(float x, float y, float z, float w) : x(x), y(y), z(z), w(w) {}
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inline vec4(float x) : x(x), y(x), z(x), w(x) {}
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inline vec4(const float val[4]) : x(val[0]), y(val[1]), z(val[2]), w(val[3]) { }
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inline friend bool operator==(const vec4& a, const vec4& b) {
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return !memcmp(&a, &b, sizeof(a));
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}
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inline friend bool operator!=(const vec4& a, const vec4& b) {
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return !(a == b);
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}
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inline friend vec4 operator+(vec4 lhs, const vec4& rhs) { lhs += rhs; return lhs; }
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inline friend vec4 operator-(vec4 lhs, const vec4& rhs) { lhs -= rhs; return lhs; }
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inline friend vec4 operator*(vec4 lhs, const vec4& rhs) { lhs *= rhs; return lhs; }
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inline friend vec4 operator/(vec4 lhs, const vec4& rhs) { lhs /= rhs; return lhs; }
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inline friend vec4 operator+(vec4 lhs, float rhs) { lhs += rhs; return lhs; }
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inline friend vec4 operator-(vec4 lhs, float rhs) { lhs -= rhs; return lhs; }
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inline friend vec4 operator*(vec4 lhs, float rhs) { lhs *= rhs; return lhs; }
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inline friend vec4 operator/(vec4 lhs, float rhs) { lhs /= rhs; return lhs; }
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inline vec4& operator+=(const vec4& rhs) {
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x += rhs.x;
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y += rhs.y;
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z += rhs.z;
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w += rhs.w;
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return *this;
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}
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inline vec4& operator-=(const vec4& rhs) {
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x -= rhs.x;
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y -= rhs.y;
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z -= rhs.z;
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w -= rhs.w;
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return *this;
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}
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inline vec4& operator*=(const vec4& rhs) {
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x *= rhs.x;
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y *= rhs.y;
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z *= rhs.z;
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w *= rhs.w;
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return *this;
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}
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inline vec4& operator/=(const vec4& rhs) {
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x /= rhs.x;
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y /= rhs.y;
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z /= rhs.z;
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w /= rhs.w;
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return *this;
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}
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inline vec4& operator+=(float rhs) {
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x += rhs;
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y += rhs;
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z += rhs;
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w += rhs;
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return *this;
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}
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inline vec4& operator-=(float rhs) {
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x -= rhs;
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y -= rhs;
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z -= rhs;
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w -= rhs;
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return *this;
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}
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inline vec4& operator*=(float rhs) {
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x *= rhs;
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y *= rhs;
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z *= rhs;
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w *= rhs;
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return *this;
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}
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inline vec4& operator/=(float rhs) {
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x /= rhs;
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y /= rhs;
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z /= rhs;
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w /= rhs;
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return *this;
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}
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inline friend vec4 min_(const vec4& a, const vec4& b) {
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return{ (b.x < a.x) ? b.x : a.x,
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(b.y < a.y) ? b.y : a.y,
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(b.z < a.z) ? b.z : a.z,
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(b.w < a.w) ? b.w : a.w };
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}
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inline friend vec4 max_(const vec4& a, const vec4& b) {
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return{ (a.x < b.x) ? b.x : a.x,
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(a.y < b.y) ? b.y : a.y,
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(a.z < b.z) ? b.z : a.z,
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(a.w < b.w) ? b.w : a.w };
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}
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inline void load(const float* val) {
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x = val[0];
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y = val[1];
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||||
z = val[2];
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w = val[3];
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}
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||||
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inline void store(float* val) const {
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val[0] = x;
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val[1] = y;
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val[2] = z;
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val[3] = w;
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}
|
||||
};
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||||
|
||||
///
|
||||
/// Point is typedef'd to a 2D vector
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||||
///
|
||||
typedef vec2 Point;
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||||
|
||||
///
|
||||
/// Float Rectangle Helper
|
||||
///
|
||||
struct UExport Rect {
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||||
float left, top, right, bottom;
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||||
|
||||
static constexpr Rect MakeEmpty() { return Rect{ 0.0f, 0.0f, 0.0f, 0.0f }; }
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||||
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||||
inline float width() const { return right - left; }
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||||
inline float height() const { return bottom - top; }
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||||
inline float x() const { return left; }
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||||
inline float y() const { return top; }
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||||
inline float center_x() const { return (left + right) * 0.5f; }
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||||
inline float center_y() const { return (top + bottom) * 0.5f; }
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||||
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||||
inline Point origin() const { return { left, top }; }
|
||||
|
||||
inline void SetEmpty() { *this = MakeEmpty(); }
|
||||
|
||||
inline bool IsEmpty() const {
|
||||
return *this == MakeEmpty();
|
||||
}
|
||||
|
||||
inline bool IsValid() const {
|
||||
return width() > 0 && height() > 0;
|
||||
}
|
||||
|
||||
inline void Inset(float dx, float dy) {
|
||||
left += dx;
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||||
top += dy;
|
||||
right -= dx;
|
||||
bottom -= dy;
|
||||
}
|
||||
|
||||
inline void Outset(float dx, float dy) {
|
||||
Inset(-dx, -dy);
|
||||
}
|
||||
|
||||
inline void Move(float dx, float dy) {
|
||||
left += dx;
|
||||
top += dy;
|
||||
right += dx;
|
||||
bottom += dy;
|
||||
}
|
||||
|
||||
inline float area() const {
|
||||
return width() * height();
|
||||
}
|
||||
|
||||
inline void Join(const Rect& rhs) {
|
||||
// if we are empty, just assign
|
||||
if (IsEmpty()) {
|
||||
*this = rhs;
|
||||
}
|
||||
else {
|
||||
if (rhs.left < left) left = rhs.left;
|
||||
if (rhs.top < top) top = rhs.top;
|
||||
if (rhs.right > right) right = rhs.right;
|
||||
if (rhs.bottom > bottom) bottom = rhs.bottom;
|
||||
}
|
||||
}
|
||||
|
||||
inline void Join(const Point& p) {
|
||||
// if we are empty, just assign
|
||||
if (IsEmpty()) {
|
||||
*this = { p.x, p.y, p.x, p.y };
|
||||
}
|
||||
else {
|
||||
if (p.x < left) left = p.x;
|
||||
if (p.y < top) top = p.y;
|
||||
if (p.x > right) right = p.x;
|
||||
if (p.y > bottom) bottom = p.y;
|
||||
}
|
||||
}
|
||||
|
||||
inline bool Contains(const Point& p) const {
|
||||
return p.x >= left && p.x <= right &&
|
||||
p.y >= top && p.y <= bottom;
|
||||
}
|
||||
|
||||
inline bool Contains(const Rect& r) const {
|
||||
return left <= r.left && top <= r.top &&
|
||||
right >= r.right && bottom >= r.bottom;
|
||||
}
|
||||
|
||||
inline bool Intersects(const Rect& rhs) const {
|
||||
return !(rhs.left > right ||
|
||||
rhs.right < left ||
|
||||
rhs.top > bottom ||
|
||||
rhs.bottom < top);
|
||||
}
|
||||
|
||||
inline Rect Intersect(const Rect& other) const {
|
||||
return{ (left < other.left) ? other.left : left,
|
||||
(top < other.top) ? other.top : top,
|
||||
(other.right < right) ? other.right : right,
|
||||
(other.bottom < bottom) ? other.bottom : bottom };
|
||||
}
|
||||
|
||||
friend inline bool operator==(const Rect& a, const Rect& b) {
|
||||
return !memcmp(&a, &b, sizeof(a));
|
||||
}
|
||||
|
||||
friend inline bool operator!=(const Rect& a, const Rect& b) {
|
||||
return !(a == b);
|
||||
}
|
||||
|
||||
inline vec4 ToVec4() { return vec4 { left, top, right, bottom }; }
|
||||
};
|
||||
|
||||
///
|
||||
/// Integer Rectangle Helper
|
||||
///
|
||||
struct UExport IntRect {
|
||||
int left, top, right, bottom;
|
||||
|
||||
static constexpr IntRect MakeEmpty() { return IntRect{ 0, 0, 0, 0 }; }
|
||||
|
||||
inline int width() const { return right - left; }
|
||||
inline int height() const { return bottom - top; }
|
||||
inline int x() const { return left; }
|
||||
inline int y() const { return top; }
|
||||
inline int center_x() const { return (int)std::round((left + right) * 0.5f); }
|
||||
inline int center_y() const { return (int)std::round((top + bottom) * 0.5f); }
|
||||
|
||||
inline Point origin() const { return Point{ (float)left, (float)top }; }
|
||||
|
||||
inline void SetEmpty() { *this = MakeEmpty(); }
|
||||
|
||||
inline bool IsEmpty() const {
|
||||
return *this == MakeEmpty();
|
||||
}
|
||||
|
||||
inline bool IsValid() const {
|
||||
return width() > 0 && height() > 0;
|
||||
}
|
||||
|
||||
inline void Inset(int dx, int dy) {
|
||||
left += dx;
|
||||
top += dy;
|
||||
right -= dx;
|
||||
bottom -= dy;
|
||||
}
|
||||
|
||||
inline void Outset(int dx, int dy) {
|
||||
Inset(-dx, -dy);
|
||||
}
|
||||
|
||||
inline void Move(int dx, int dy) {
|
||||
left += dx;
|
||||
top += dy;
|
||||
right += dx;
|
||||
bottom += dy;
|
||||
}
|
||||
|
||||
inline int area() const {
|
||||
return width() * height();
|
||||
}
|
||||
|
||||
inline void Join(const IntRect& rhs) {
|
||||
// if we are empty, just assign
|
||||
if (IsEmpty()) {
|
||||
*this = rhs;
|
||||
}
|
||||
else {
|
||||
if (rhs.left < left) left = rhs.left;
|
||||
if (rhs.top < top) top = rhs.top;
|
||||
if (rhs.right > right) right = rhs.right;
|
||||
if (rhs.bottom > bottom) bottom = rhs.bottom;
|
||||
}
|
||||
}
|
||||
|
||||
inline void Join(const Point& p) {
|
||||
// if we are empty, just assign
|
||||
if (IsEmpty()) {
|
||||
*this = { (int)std::floor(p.x), (int)std::floor(p.y), (int)std::ceil(p.x), (int)std::ceil(p.y) };
|
||||
}
|
||||
else {
|
||||
if ((int)std::floor(p.x) < left) left = (int)std::floor(p.x);
|
||||
if ((int)std::floor(p.y) < top) top = (int)std::floor(p.y);
|
||||
if ((int)std::ceil(p.x) > right) right = (int)std::ceil(p.x);
|
||||
if ((int)std::ceil(p.y) > bottom) bottom = (int)std::ceil(p.y);
|
||||
}
|
||||
}
|
||||
|
||||
inline bool Contains(const Point& p) const {
|
||||
return p.x >= left && p.x <= right &&
|
||||
p.y >= top && p.y <= bottom;
|
||||
}
|
||||
|
||||
inline bool Contains(const IntRect& r) const {
|
||||
return left <= r.left && top <= r.top &&
|
||||
right >= r.right && bottom >= r.bottom;
|
||||
}
|
||||
|
||||
inline bool Intersects(const IntRect& rhs) const {
|
||||
// Since this is mostly used for pixel operations, we only count
|
||||
// intersections that have width and height >= 1.
|
||||
return !(rhs.left > right - 1 ||
|
||||
rhs.right < left ||
|
||||
rhs.top > bottom - 1 ||
|
||||
rhs.bottom < top);
|
||||
}
|
||||
|
||||
inline IntRect Intersect(const IntRect& other) const {
|
||||
return{ (left < other.left) ? other.left : left,
|
||||
(top < other.top) ? other.top : top,
|
||||
(other.right < right) ? other.right : right,
|
||||
(other.bottom < bottom) ? other.bottom : bottom };
|
||||
}
|
||||
|
||||
friend inline bool operator==(const IntRect& a, const IntRect& b) {
|
||||
return !memcmp(&a, &b, sizeof(a));
|
||||
}
|
||||
|
||||
friend inline bool operator!=(const IntRect& a, const IntRect& b) {
|
||||
return !(a == b);
|
||||
}
|
||||
};
|
||||
|
||||
///
|
||||
/// Rounded Rectangle Helper
|
||||
///
|
||||
struct UExport RoundedRect {
|
||||
Rect rect;
|
||||
float radii_x[4];
|
||||
float radii_y[4];
|
||||
|
||||
void SetEmpty();
|
||||
|
||||
bool IsRounded() const;
|
||||
|
||||
// Negative is inside, positive is outside.
|
||||
float GetSignedDistance(const Point& p) const;
|
||||
|
||||
// Returns whether or not intersection is found. Can fail if the resulting
|
||||
// geometry is not a rounded rectangle.
|
||||
bool Intersect(const RoundedRect& other, RoundedRect& result) const;
|
||||
|
||||
void SnapToPixels();
|
||||
|
||||
Rect CalculateInterior() const;
|
||||
};
|
||||
|
||||
} // namespace ultralight
|
||||
Reference in New Issue
Block a user