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