/**
 * Copyright (c) 2021 Dominic Masters
 * 
 * This software is released under the MIT License.
 * https://opensource.org/licenses/MIT
 */

#pragma once
#include "../../libs.h"
#include "../shaderprogram.h"
#include "../primitive/primitive.h"
#include "../primitive/quad.h"
#include "../font.h"

/** Size of the border (in pixels) on each edge */
#define FRAME_BORDER_SIZE 16
/** Total border size for a given frame on each axis */
#define FRAME_BORDER_SIZE_FULL FRAME_BORDER_SIZE * 2
/** How many quads are within the frame */
#define FRAME_PRIMITIVE_COUNT 9

typedef struct {
  texture_t *texture;
  primitive_t primitive;
} frame_t;

/**
 * Initialize a GUI Frame.
 * 
 * @param frame Frame to initialize.
 */
void frameInit(frame_t *frame);

/**
 * Set the size of the frame (including the size of the border).
 * 
 * @param frame Frame to set the size of.
 * @param width Width of the frame.
 * @param height Height of the frame
 */
void frameSetSize(frame_t *frame, float width, float height);

/**
 * Set the size of the frame's innards (size excluding the borders).
 * 
 * @param frame Frame to set the size of
 * @param width Width of the inner frame.
 * @param height Height of the inner frame.
 */
void frameSetInnerSize(frame_t *frame, float width, float height);

/**
 * Render a game frame.
 * 
 * @param frame Frame to render.
 * @param shader Shader to use while rendering.
 * @param x X position.
 * @param y Y position.
 */
void frameRender(frame_t *frame, shaderprogram_t *shader, float x, float y);

/**
 * Cleanup a previously initialized frame.
 * 
 * @param frame Frame to dispose.
 */
void frameDispose(frame_t *frame);