/*
 * Graphics.cpp
 * Holds info for dealing with game's graphics
 *
 *
 */

#include <SDL2/SDL.h>
#include <iostream>

#include "Graphics.h"
#include "functions.h"

Graphics::Graphics() {
    _windowTitle=   "Tic tac toe";
    _windowWidth=   640;
    _windowHeight=  480;
    _window=        SDL_CreateWindow(_windowTitle, SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED, _windowWidth, _windowHeight, SDL_WINDOW_SHOWN);
    if(_window == 0){
        printError("SDL_CreateWindow");
        SDL_Quit();
    }

    _renderingDriverIndex=  -1;                                                     // get the index of the first graphics driver available(?)
    _rendererFlags=         SDL_RENDERER_ACCELERATED | SDL_RENDERER_PRESENTVSYNC;   // use GPU, VSYNC
    _renderer=              SDL_CreateRenderer(_window, _renderingDriverIndex, _rendererFlags);
    if(_renderer == NULL){
        printError("SDL_CreateRenderer");
        SDL_Quit();
    }
}

Graphics::~Graphics() {
    SDL_DestroyWindow(_window);
    SDL_DestroyRenderer(_renderer);
}

void Graphics::changeWindowSize(int width, int height){
    SDL_SetWindowSize(_window, width, height);
}

SDL_Renderer* Graphics::getRenderer(){
    return _renderer;
}


Layer::Layer(SDL_Renderer* renderer, int& width, int& height) {
    _texture=       SDL_CreateTexture(renderer, SDL_PIXELFORMAT_RGBA8888, SDL_TEXTUREACCESS_TARGET, width, height);
}

Layer::~Layer(){
    SDL_DestroyTexture(_texture);
}

SDL_Texture* Layer::getTexture(){
    return _texture;
}