Graphics.h

#ifndef GRAPHICS_H
#define GRAPHICS_H

//Allegro libraries
#include <allegro5/allegro.h>
#include <allegro5/allegro_image.h>
#include <allegro5/allegro_primitives.h>
#include <allegro5/allegro_ttf.h>
#include <allegro5/allegro_font.h>

//Other libraries needed
#include <string>
#include <vector>

//TYPES
enum textType {ALLIGN_LEFT, ALLIGN_CENTRE, ALLIGN_RIGHT};

//SPRITES

//Loading & Saving sprites
//Loads a normal sprite | PARAMETERS: Sprite, file directory.
void loadSprite(ALLEGRO_BITMAP * &image, const std::string file);
//Loads a sprite animation with same sizes. The first position of the vector will be the whole sprite sheet. | PARAMETERS: Vector of sprites, file directory, number of sprites per line, number of lines.
void loadSprite(std::vector<ALLEGRO_BITMAP*> &tImage, std::string directory, int width_num, int height_num);
//Loads a sprite animation with different sizes (needs to have a line separator). The first position of the vector will be the whole sprite sheet. | PARAMETERS: Vector of sprites, file directory, vector with the number of pixel per sprite. NOT DONE
void loadSprite(std::vector<ALLEGRO_BITMAP*> &tImage, std::string directory);
//Saves a sprite. Returns true if the image has been saved successfully | PARAMETERS: Sprite, file directory.
bool saveSprite(ALLEGRO_BITMAP * &image, std::string directory);

//Drawing sprites | OPTIONS: Tinted, Rotated, Scaled and Combinations.
//Draws a standard sprite | PARAMETERS: Sprite, Print position.
void drawSprite(ALLEGRO_BITMAP *image, float posx,  float posy);
//Draws a tinted sprite | PARAMETERS: Sprite, Print position, color (multiplies all the colors of the sprite by the given color). 
void drawSprite(ALLEGRO_BITMAP *image, float posx, float posy, ALLEGRO_COLOR tint);
//Draws a rotated sprite | PARAMETERS: Sprite, Print position, centerx and centery of rotation and angles in radians clockwise.
void drawSprite(ALLEGRO_BITMAP *image, float posx, float posy, float centerx, float centery, float angle);
//Draws a scaled sprite | PARAMETERS: Sprite, Print position, scale of width and scale of height.
void drawSprite(ALLEGRO_BITMAP *image, float posx, float posy, float swidth, float sheight);
//Loads and draws a tinted, rotated sprite | PARAMETERS: Sprite, Print position, color, center of rotation and angles.
void drawSprite(ALLEGRO_BITMAP *image, float posx, float posy, ALLEGRO_COLOR tint, float centerx, float centery, float angle);
//Loads and draws a tinted, scaled sprite | PARAMETERS: Sprite, Print position, color, scale of width and scale of height.
void drawSprite(ALLEGRO_BITMAP *image, float posx, float posy, ALLEGRO_COLOR tint, float swidth, float sheight);
//Loads and draws a rotated scaled sprite | PARAMETERS: Sprite, Print position, center of rotation, angles, scale of width and scale of height.
void drawSprite(ALLEGRO_BITMAP *image, float posx, float posy, float centerx, float centery, float angle, float swidth, float sheight);
//Loads and draws a tinted, rotated and scaled sprite | PARAMETERS: Sprite, Print position, color, center of rotation, angle, scale of width and scale of height.
void drawSprite(ALLEGRO_BITMAP *image, float posx, float posy, ALLEGRO_COLOR tint, float centerx, float centery, float angle, float swidth, float sheight);

//Operations with sprites
float getSpriteWidth(ALLEGRO_BITMAP *image);
float getSpriteHeight(ALLEGRO_BITMAP *image);

//Destroying sprites
//Destroys the sprite, freeing al the memmory and resources used by it, also lets the pointer to nullptr | PARAMETERS: Sprite.
void destroySprite(ALLEGRO_BITMAP * &image);
//Destroys a vector of sprites, freeing all the memmory and resources used by all of them, lets all the pointers to nullptr. PARAMETERS: Vector of sprites.
void destroySprite(std::vector <ALLEGRO_BITMAP*> &tImage);

//FONTS

//Loading fonts
//Loads a font | PARAMETERS: font pointer, name, size.
void loadFont(ALLEGRO_FONT * &font, std::string font_name, int size);

//Drawing font | PARAMETERS:  font pointer, color of the text, position x and y, flag(LEFT, CENTER, RIGHT) and the text to print.
void drawFont(ALLEGRO_FONT * font, ALLEGRO_COLOR text_color, int x, int y, textType text_type, std::string text);

//Destroying fonts
//Destroys the font, freeing all the memmory and resources used by it, also lets the pointer to nullptr | PARAMETERS: font pointer.
void destroyFont(ALLEGRO_FONT * &font);


//OTHER GRAPHIC FUNCTIONS
//Shows in the displays the backbuffer (everything drawed) and then clears the entire backbuffer.
void showScreen(ALLEGRO_COLOR back_color);
//Shows in the displays the backbuffer (everything drawed) and then clears the backbuffer of the clipping rectangle.
void showScreen(ALLEGRO_COLOR back_color, int x, int y, int width, int height, int SCREEN_WIDTH, int SCREEN_HEIGHT);


#endif