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| ///////////////////////////////////////////////////////////////////////////
// //
// Copyright (c) 2015 by Charta Software B.V. //
// All rights reserved //
// //
// Version: 1.7.0.83525 //
// Web site: https://pascal.chartasoftware.com/ //
// //
// This code and information are provided "as is" without warranty of //
// any kind. Dissemination of this information or reproduction of //
// this material is strictly forbidden unless prior written permission //
// is obtained from Charta Software B.V.. //
// //
///////////////////////////////////////////////////////////////////////////
unit Geometry._2d.Integer32.Size;
interface
uses
Boolean,
Geometry._2d.Dimension,
Integer._32;
type
TInteger32Size = record
private
function GetDimension(Dimension: T2dDimension): TInteger32;
procedure SetDimension(Dimension: T2dDimension; const Value: TInteger32);
public
Width: TInteger32;
Height: TInteger32;
function ConfineTo(const Size: TInteger32Size): TInteger32Size;
function GetArea(): TInteger32;
function IsSquare(): TBoolean;
property Value[Dimension: T2dDimension]: TInteger32 read GetDimension write SetDimension; default;
public
class var
Maximum: TInteger32Size;
Empty: TInteger32Size;
class procedure Initialize(); static;
class function New(Width: TInteger32; Height: TInteger32): TInteger32Size; overload; static;
class function New(Dimension: T2dDimension; Major: TInteger32; Minor: TInteger32): TInteger32Size; overload; static;
class function NewSquare(Size: TInteger32): TInteger32Size; static;
class operator Equal(const Left: TInteger32Size; const Right: TInteger32Size): TBoolean;
class operator NotEqual(const Left: TInteger32Size; const Right: TInteger32Size): TBoolean;
class operator Add(const Left: TInteger32Size; const Right: TInteger32Size): TInteger32Size;
class operator Subtract(const Left: TInteger32Size; const Right: TInteger32Size): TInteger32Size;
class operator IntDivide(const Left: TInteger32Size; const Right: TInteger32): TInteger32Size;
class operator IntDivide(const Left: TInteger32Size; const Right: TInteger32Size): TInteger32Size;
class operator Multiply(const Factor: TInteger32; const Operand: TInteger32Size): TInteger32Size;
class operator Multiply(const Left: TInteger32Size; const Right: TInteger32Size): TInteger32Size;
end;
implementation
uses
Exception.Enumeration,
Mathematics;
{ TInteger32Size }
class operator TInteger32Size.Add(const Left: TInteger32Size; const Right: TInteger32Size): TInteger32Size;
begin
Result.Width := Left.Width + Right.Width;
Result.Height := Left.Height + Right.Height;
end;
function TInteger32Size.GetArea(): TInteger32;
begin
Result := Width * Height;
end;
function TInteger32Size.GetDimension(Dimension: T2dDimension): TInteger32;
begin
case Dimension of
T2dDimension.Horizontal:
Result := Width;
T2dDimension.Vertical:
Result := Height;
else
raise EUnknownEnumerationValue.Create('Unknown dimension');
end;
end;
function TInteger32Size.ConfineTo(const Size: TInteger32Size): TInteger32Size;
begin
Result := TInteger32Size.New(Minimum(Width, Size.Width), Minimum(Height, Size.Height));
end;
class operator TInteger32Size.Equal(const Left: TInteger32Size; const Right: TInteger32Size): TBoolean;
begin
Result := (Left.Width = Right.Width) and (Left.Height = Right.Height);
end;
class procedure TInteger32Size.Initialize();
begin
Maximum := TInteger32Size.New(High(TInteger32), High(TInteger32));
Empty := TInteger32Size.New(0, 0);
end;
class operator TInteger32Size.IntDivide(const Left: TInteger32Size; const Right: TInteger32Size): TInteger32Size;
begin
Result.Width := Left.Width div Right.Width;
Result.Height := Left.Height div Right.Height;
end;
class operator TInteger32Size.IntDivide(const Left: TInteger32Size; const Right: TInteger32): TInteger32Size;
begin
Result.Width := Left.Width div Right;
Result.Height := Left.Height div Right;
end;
function TInteger32Size.IsSquare(): TBoolean;
begin
Result := Width = Height;
end;
class operator TInteger32Size.Multiply(const Left: TInteger32Size; const Right: TInteger32Size): TInteger32Size;
begin
Result.Width := Left.Width * Right.Width;
Result.Height := Left.Height * Right.Height;
end;
class operator TInteger32Size.Multiply(const Factor: TInteger32; const Operand: TInteger32Size): TInteger32Size;
begin
Result.Width := Factor * Operand.Width;
Result.Height := Factor * Operand.Height;
end;
class function TInteger32Size.New(Width, Height: TInteger32): TInteger32Size;
begin
Result.Width := Width;
Result.Height := Height;
end;
class function TInteger32Size.New(Dimension: T2dDimension; Major: TInteger32; Minor: TInteger32): TInteger32Size;
begin
Result[Dimension] := Major;
Result[GetOther2dDimension(Dimension)] := Minor;
end;
class function TInteger32Size.NewSquare(Size: TInteger32): TInteger32Size;
begin
Result.Width := Size;
Result.Height := Size;
end;
class operator TInteger32Size.NotEqual(const Left: TInteger32Size; const Right: TInteger32Size): TBoolean;
begin
Result := (Left.Width <> Right.Width) or (Left.Height <> Right.Height);
end;
procedure TInteger32Size.SetDimension(Dimension: T2dDimension; const Value: TInteger32);
begin
case Dimension of
T2dDimension.Horizontal:
Width := Value;
T2dDimension.Vertical:
Height := Value;
else
raise EUnknownEnumerationValue.Create('Unknown dimension');
end;
end;
class operator TInteger32Size.Subtract(const Left: TInteger32Size; const Right: TInteger32Size): TInteger32Size;
begin
Result.Width := Left.Width - Right.Width;
Result.Height := Left.Height - Right.Height;
end;
initialization
TInteger32Size.Initialize();
end.
|