LayoutTypes.h

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#pragma once
 
#include <limits>
#include <optional>
 
namespace z8::ui {
 
enum class FlexDirection { Column, Row };
 
enum class PositionType { Relative, Absolute };
 
struct LayoutStyle {
  std::optional<float> Width;
  std::optional<float> Height;
  std::optional<float> WidthPercent;
  std::optional<float> Left;
  std::optional<float> Top;
  std::optional<float> Right;
  std::optional<float> Bottom;
  float MinWidth = 0.0f;
  float MinHeight = 0.0f;
  float MaxWidth = (std::numeric_limits<float>::max)();
  float MaxHeight = (std::numeric_limits<float>::max)();
  float FlexGrow = 1.0f;
  float FlexShrink = 1.0f;
  float Margin = 0.0f;
  float Padding = 0.0f;
  FlexDirection Direction = FlexDirection::Column;
  PositionType Position = PositionType::Relative;
};
 
struct LayoutBox {
  float Left = 0.0f;
  float Top = 0.0f;
  float Width = 0.0f;
  float Height = 0.0f;
};
 
} // namespace z8::ui