/* * Copyright (c) 2018-Present, Redis Ltd. * All rights reserved. * * Licensed under your choice of the Redis Source Available License 2.0 * (RSALv2) or the Server Side Public License v1 (SSPLv1). */ /* This structure represents our canvas. Drawing functions will take a pointer * to a canvas to write to it. Later the canvas can be rendered to a string * suitable to be printed on the screen, using unicode Braille characters. */ /* This represents a very simple generic canvas in order to draw stuff. * It's up to each LOLWUT versions to translate what they draw to the * screen, depending on the result to accomplish. */ #ifndef __LOLWUT_H #define __LOLWUT_H typedef struct lwCanvas { int width; int height; char *pixels; } lwCanvas; /* Drawing functions implemented inside lolwut.c. */ lwCanvas *lwCreateCanvas(int width, int height, int bgcolor); void lwFreeCanvas(lwCanvas *canvas); void lwDrawPixel(lwCanvas *canvas, int x, int y, int color); int lwGetPixel(lwCanvas *canvas, int x, int y); void lwDrawLine(lwCanvas *canvas, int x1, int y1, int x2, int y2, int color); void lwDrawSquare(lwCanvas *canvas, int x, int y, float size, float angle, int color); #endif