cudoku/ui.h

#pragma once

#include <stdbool.h>
#include <stdlib.h>

#include "zephr_math.h"

typedef enum Alignment {
  ALIGN_TOP_LEFT,
  ALIGN_TOP_CENTER,
  ALIGN_TOP_RIGHT,
  ALIGN_LEFT_CENTER,
  ALIGN_CENTER,
  ALIGN_RIGHT_CENTER,
  ALIGN_BOTTOM_LEFT,
  ALIGN_BOTTOM_CENTER,
  ALIGN_BOTTOM_RIGHT,
} Alignment;

typedef enum UIConstraint {
  UI_CONSTRAINT_FIXED,
  UI_CONSTRAINT_RELATIVE,
  UI_CONSTRAINT_RELATIVE_PIXELS,
  UI_CONSTRAINT_ASPECT_RATIO,
} UIConstraint;

typedef struct UIConstraints {
  float x;
  float y;
  float width;
  float height;
  float rotation;
} UIConstraints;

int init_ui(const char* font_path, Size window_size);
void set_x_constraint(UIConstraints *constraints, float value, UIConstraint type);
void set_y_constraint(UIConstraints *constraints, float value, UIConstraint type);
void set_width_constraint(UIConstraints *constraints, float value, UIConstraint type);
void set_height_constraint(UIConstraints *constraints, float value, UIConstraint type);
void set_rotation_constraint(UIConstraints *constraints, float angle_d);
void apply_constraints(UIConstraints constraints, Vec2f *pos, Sizef *size);
void apply_alignment(Alignment align, Vec2f *pos, Sizef size);
void draw_quad(UIConstraints constraints, const Color *color, float border_radius, Alignment align);
void draw_circle(UIConstraints constraints, const Color *color, Alignment align);
void draw_triangle(UIConstraints constraints, const Color *color, Alignment align);