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SqMod/module/Base/Color4.hpp
Sandu Liviu Catalin d18719a6d8 Allow chaining the Generate() method.
2021-03-20 17:56:38 +02:00

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#pragma once
// ------------------------------------------------------------------------------------------------
#include "Base/Shared.hpp"
// ------------------------------------------------------------------------------------------------
namespace SqMod {
/* ------------------------------------------------------------------------------------------------
* Class used to represent a transparent RGBA color.
*/
struct Color4
{
/* --------------------------------------------------------------------------------------------
* The type of value used by components of type.
*/
typedef unsigned char Value;
/* --------------------------------------------------------------------------------------------
* Helper instances for common values mostly used as return types or comparison.
*/
static const Color4 NIL;
static const Color4 MIN;
static const Color4 MAX;
/* --------------------------------------------------------------------------------------------
* The delimiter character to be used when extracting values from strings.
*/
static SQChar Delim;
/* --------------------------------------------------------------------------------------------
* Whenever converting colors to hex, useupper case characters.
*/
static bool UpperCaseHex;
/* --------------------------------------------------------------------------------------------
* The red, green, blue and alpha components of this type.
*/
Value r{0}, g{0}, b{0}, a{0};
/* --------------------------------------------------------------------------------------------
* Default constructor.
*/
Color4() noexcept = default;
/* --------------------------------------------------------------------------------------------
* Construct a color with all components with the same specified color.
*/
explicit Color4(Value sv) noexcept;
/* --------------------------------------------------------------------------------------------
* Construct with individually specified red, green and blue colors.
*/
Color4(Value rv, Value gv, Value bv) noexcept;
/* --------------------------------------------------------------------------------------------
* Construct with individually specified red, green, blue and alpha colors.
*/
Color4(Value rv, Value gv, Value bv, Value av) noexcept;
/* --------------------------------------------------------------------------------------------
* Copy constructor.
*/
Color4(const Color4 & o) noexcept = default;
/* --------------------------------------------------------------------------------------------
* Move constructor.
*/
Color4(Color4 && o) noexcept = default;
/* --------------------------------------------------------------------------------------------
* Destructor.
*/
~Color4() = default;
/* --------------------------------------------------------------------------------------------
* Copy assignment operator.
*/
Color4 & operator = (const Color4 & o) = default;
/* --------------------------------------------------------------------------------------------
* Move assignment operator.
*/
Color4 & operator = (Color4 && o) = default;
/* --------------------------------------------------------------------------------------------
* Scalar value assignment operator.
*/
Color4 & operator = (Value s);
/* --------------------------------------------------------------------------------------------
* Opaque color assignment operator.
*/
Color4 & operator = (const Color3 & c);
/* --------------------------------------------------------------------------------------------
* Addition assignment operator.
*/
Color4 & operator += (const Color4 & c);
/* --------------------------------------------------------------------------------------------
* Subtraction assignment operator.
*/
Color4 & operator -= (const Color4 & c);
/* --------------------------------------------------------------------------------------------
* Multiplication assignment operator.
*/
Color4 & operator *= (const Color4 & c);
/* --------------------------------------------------------------------------------------------
* Division assignment operator.
*/
Color4 & operator /= (const Color4 & c);
/* --------------------------------------------------------------------------------------------
* Modulo assignment operator.
*/
Color4 & operator %= (const Color4 & c);
/* --------------------------------------------------------------------------------------------
* Bitwise AND assignment operator.
*/
Color4 & operator &= (const Color4 & c);
/* --------------------------------------------------------------------------------------------
* Bitwise OR assignment operator.
*/
Color4 & operator |= (const Color4 & c);
/* --------------------------------------------------------------------------------------------
* Bitwise XOR assignment operator.
*/
Color4 & operator ^= (const Color4 & c);
/* --------------------------------------------------------------------------------------------
* Bitwise left shift assignment operator.
*/
Color4 & operator <<= (const Color4 & c);
/* --------------------------------------------------------------------------------------------
* Bitwise right shift assignment operator.
*/
Color4 & operator >>= (const Color4 & c);
/* --------------------------------------------------------------------------------------------
* Scalar value addition assignment operator.
*/
Color4 & operator += (Value s);
/* --------------------------------------------------------------------------------------------
* Scalar value subtraction assignment operator.
*/
Color4 & operator -= (Value s);
/* --------------------------------------------------------------------------------------------
* Scalar value multiplication assignment operator.
*/
Color4 & operator *= (Value s);
/* --------------------------------------------------------------------------------------------
* Scalar value division assignment operator.
*/
Color4 & operator /= (Value s);
/* --------------------------------------------------------------------------------------------
* Scalar value modulo assignment operator.
*/
Color4 & operator %= (Value s);
/* --------------------------------------------------------------------------------------------
* Scalar value bitwise AND assignment operator.
*/
Color4 & operator &= (Value s);
/* --------------------------------------------------------------------------------------------
* Scalar value bitwise OR assignment operator.
*/
Color4 & operator |= (Value s);
/* --------------------------------------------------------------------------------------------
* Scalar value bitwise XOR assignment operator.
*/
Color4 & operator ^= (Value s);
/* --------------------------------------------------------------------------------------------
* Scalar value bitwise left shift assignment operator.
*/
Color4 & operator <<= (Value s);
/* --------------------------------------------------------------------------------------------
* Scalar value bitwise right shift assignment operator.
*/
Color4 & operator >>= (Value s);
/* --------------------------------------------------------------------------------------------
* Pre-increment operator.
*/
Color4 & operator ++ ();
/* --------------------------------------------------------------------------------------------
* Pre-decrement operator.
*/
Color4 & operator -- ();
/* --------------------------------------------------------------------------------------------
* Post-increment operator.
*/
Color4 operator ++ (int); // NOLINT(cert-dcl21-cpp)
/* --------------------------------------------------------------------------------------------
* Post-decrement operator.
*/
Color4 operator -- (int); // NOLINT(cert-dcl21-cpp)
/* --------------------------------------------------------------------------------------------
* Addition operator.
*/
Color4 operator + (const Color4 & c) const;
/* --------------------------------------------------------------------------------------------
* Subtraction operator.
*/
Color4 operator - (const Color4 & c) const;
/* --------------------------------------------------------------------------------------------
* Multiplication operator.
*/
Color4 operator * (const Color4 & c) const;
/* --------------------------------------------------------------------------------------------
* Division operator.
*/
Color4 operator / (const Color4 & c) const;
/* --------------------------------------------------------------------------------------------
* Modulo operator.
*/
Color4 operator % (const Color4 & c) const;
/* --------------------------------------------------------------------------------------------
* Bitwise AND operator.
*/
Color4 operator & (const Color4 & c) const;
/* --------------------------------------------------------------------------------------------
* Bitwise OR operator.
*/
Color4 operator | (const Color4 & c) const;
/* --------------------------------------------------------------------------------------------
* Bitwise XOR operator.
*/
Color4 operator ^ (const Color4 & c) const;
/* --------------------------------------------------------------------------------------------
* Bitwise shift left operator.
*/
Color4 operator << (const Color4 & c) const;
/* --------------------------------------------------------------------------------------------
* Bitwise shift right operator.
*/
Color4 operator >> (const Color4 & c) const;
/* --------------------------------------------------------------------------------------------
* Scalar value addition operator.
*/
Color4 operator + (Value s) const;
/* --------------------------------------------------------------------------------------------
* Scalar value subtraction operator.
*/
Color4 operator - (Value s) const;
/* --------------------------------------------------------------------------------------------
* Scalar value multiplication operator.
*/
Color4 operator * (Value s) const;
/* --------------------------------------------------------------------------------------------
* Scalar value division operator.
*/
Color4 operator / (Value s) const;
/* --------------------------------------------------------------------------------------------
* Scalar value modulo operator.
*/
Color4 operator % (Value s) const;
/* --------------------------------------------------------------------------------------------
* Scalar value bitwise AND operator.
*/
Color4 operator & (Value s) const;
/* --------------------------------------------------------------------------------------------
* Scalar value bitwise OR operator.
*/
Color4 operator | (Value s) const;
/* --------------------------------------------------------------------------------------------
* Scalar value bitwise XOR operator.
*/
Color4 operator ^ (Value s) const;
/* --------------------------------------------------------------------------------------------
* Scalar value bitwise shift left operator.
*/
Color4 operator << (Value s) const;
/* --------------------------------------------------------------------------------------------
* Scalar value bitwise shift right operator.
*/
Color4 operator >> (Value s) const;
/* --------------------------------------------------------------------------------------------
* Unary plus operator.
*/
Color4 operator + () const;
/* --------------------------------------------------------------------------------------------
* Unary minus operator.
*/
Color4 operator - () const;
/* --------------------------------------------------------------------------------------------
* Bitwise NOT operator.
*/
Color4 operator ~ () const;
/* --------------------------------------------------------------------------------------------
* Equality comparison operator.
*/
bool operator == (const Color4 & c) const;
/* --------------------------------------------------------------------------------------------
* Inequality comparison operator.
*/
bool operator != (const Color4 & c) const;
/* --------------------------------------------------------------------------------------------
* Less than comparison operator.
*/
bool operator < (const Color4 & c) const;
/* --------------------------------------------------------------------------------------------
* Greater than comparison operator.
*/
bool operator > (const Color4 & c) const;
/* --------------------------------------------------------------------------------------------
* Less than or equal comparison operator.
*/
bool operator <= (const Color4 & c) const;
/* --------------------------------------------------------------------------------------------
* Greater than or equal comparison operator.
*/
bool operator >= (const Color4 & c) const;
/* --------------------------------------------------------------------------------------------
* Implicit conversion to opaque color.
*/
operator Color3 () const; // NOLINT(google-explicit-constructor,hicpp-explicit-conversions)
/* --------------------------------------------------------------------------------------------
* Used by the script engine to compare two instances of this type.
*/
SQMOD_NODISCARD int32_t Cmp(const Color4 & c) const;
/* --------------------------------------------------------------------------------------------
* Used by the script engine to compare an instance of this type with a scalar value.
*/
SQMOD_NODISCARD int32_t Cmp(SQInteger s) const
{
return Cmp(Color4(static_cast< Value >(s)));
}
/* --------------------------------------------------------------------------------------------
* Used by the script engine to compare an instance of this type with a scalar value.
*/
SQMOD_NODISCARD int32_t Cmp(SQFloat s) const
{
return Cmp(Color4(static_cast< Value >(s)));
}
/* --------------------------------------------------------------------------------------------
* Used by the script engine to compare an instance of this type with a scalar value.
*/
SQMOD_NODISCARD int32_t Cmp(bool s) const
{
return Cmp(Color4(static_cast< Value >(s)));
}
/* --------------------------------------------------------------------------------------------
* Used by the script engine to compare an instance of this type with a scalar value.
*/
SQMOD_NODISCARD int32_t Cmp(std::nullptr_t) const
{
return Cmp(Color4(static_cast< Value >(0)));
}
/* --------------------------------------------------------------------------------------------
* Used by the script engine to convert an instance of this type to a string.
*/
SQMOD_NODISCARD String ToString() const;
/* --------------------------------------------------------------------------------------------
* Set all components to the specified scalar value.
*/
void SetScalar(Value ns);
/* --------------------------------------------------------------------------------------------
* Copy the values from an opaque color.
*/
void SetColor3(const Color3 & c);
/* --------------------------------------------------------------------------------------------
* Set all components to the specified values.
*/
void SetColor3Ex(Value nr, Value ng, Value nb);
/* --------------------------------------------------------------------------------------------
* Copy the values from another instance of this type.
*/
void SetColor4(const Color4 & c);
/* --------------------------------------------------------------------------------------------
* Set all components to the specified values.
*/
void SetColor4Ex(Value nr, Value ng, Value nb, Value na);
/* --------------------------------------------------------------------------------------------
* Set the values extracted from the specified string using the specified delimiter.
*/
void SetStr(SQChar delim, StackStrF & name);
/* --------------------------------------------------------------------------------------------
* Set the values from the identified color.
*/
void SetName(StackStrF & name);
/* --------------------------------------------------------------------------------------------
* Get the component values packed inside an integer value.
*/
SQMOD_NODISCARD uint32_t GetRGB() const;
/* --------------------------------------------------------------------------------------------
* Set the component values wxtracted from an integer value.
*/
void SetRGB(uint32_t p);
/* --------------------------------------------------------------------------------------------
* Get the component values packed inside an integer value.
*/
SQMOD_NODISCARD uint32_t GetRGBA() const;
/* --------------------------------------------------------------------------------------------
* Set the component values wxtracted from an integer value.
*/
void SetRGBA(uint32_t p);
/* --------------------------------------------------------------------------------------------
* Get the component values packed inside an integer value.
*/
SQMOD_NODISCARD uint32_t GetARGB() const;
/* --------------------------------------------------------------------------------------------
* Set the component values wxtracted from an integer value.
*/
void SetARGB(uint32_t p);
/* --------------------------------------------------------------------------------------------
* Generate random values for all components of this instance.
*/
Color4 & Generate();
/* --------------------------------------------------------------------------------------------
* Generate random values for all components of this instance within the specified bounds.
*/
Color4 & GenerateB(Value min, Value max);
/* --------------------------------------------------------------------------------------------
* Generate random values for all components of this instance within the specified bounds.
*/
Color4 & GenerateR(Value rmin, Value rmax, Value gmin, Value gmax, Value bmin, Value bmax, Value amin, Value amax);
/* --------------------------------------------------------------------------------------------
* Clear the component values to default.
*/
void Clear()
{
r = 0, g = 0, b = 0, a = 0;
}
/* --------------------------------------------------------------------------------------------
* Set the component values to a randomly chosen color.
*/
void Random();
/* --------------------------------------------------------------------------------------------
* Inverse the color.
*/
void Inverse();
/* --------------------------------------------------------------------------------------------
* Generate a 4 component hex color from the values in this instance.
*/
SQMOD_NODISCARD LightObj ToHex() const;
/* --------------------------------------------------------------------------------------------
* Generate a 3 component hex color from the values in this instance.
*/
SQMOD_NODISCARD LightObj ToHex3() const;
/* --------------------------------------------------------------------------------------------
* Generate a formatted string with the values from this instance.
*/
SQMOD_NODISCARD String Format(StackStrF & str) const;
/* --------------------------------------------------------------------------------------------
* Extract the values for components of the Color4 type from a string.
*/
static const Color4 & Get(StackStrF & str);
/* --------------------------------------------------------------------------------------------
* Extract the values for components of the Color4 type from a string.
*/
static const Color4 & GetEx(SQChar delim, StackStrF & str);
};
} // Namespace:: SqMod
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