示例#1
0
        public MainWindow()
        {
            InitializeComponent();
            var bitmap = new WriteableBitmap(212, 104, 96, 96, PixelFormats.Bgra32, null);

            _inky = new DrawingInkyDriver(212, 104, InkyDisplayColour.Yellow, bitmap);

            imgInky.Source = bitmap;

            _ = DrawHelloWorld();
        }
        /// <summary>
        /// Write a string to the screen
        /// </summary>
        /// <param name="inky">Inky driver</param>
        /// <param name="x">The x pixel position</param>
        /// <param name="y">The y pixel position</param>
        /// <param name="colour">The colour of the text</param>
        /// <param name="font">The font used</param>
        /// <param name="text">The text to be displayed</param>
        /// <param name="spacing">Default space width</param>
        /// <returns>The bottom right corner of the text</returns>
        public static (int x, int y) DrawString(this IInkyDriver inky, int x, int y, InkyPixelColour colour, Dictionary <char, bool[, ]> font, string text, int spacing = 2)
        {
            if (inky is null)
            {
                throw new ArgumentNullException(nameof(inky));
            }
            if (font is null)
            {
                throw new ArgumentNullException(nameof(font));
            }

            if (text is null)
            {
                return(x, y);
            }

            var xp = x;
            var yp = y;

            for (var ci = 0; ci < text.Length; ci++)
            {
                var c = text[ci];
                if (!font.TryGetValue(c, out var map))
                {
                    if (!font.TryGetValue('_', out map))
                    {
                        continue;
                    }
                }

                if (c == ' ')
                {
                    xp += map.GetLength(0) / 3;
                    yp  = y + map.GetLength(0);
                    continue;
                }

                for (int i = 0; i < map.GetLength(0); i++)
                {
                    for (int j = 0; j < map.GetLength(1); j++)
                    {
                        if (map[i, j])
                        {
                            inky.TrySetPixel(xp + j, y + i, colour);
                        }
                    }
                }

                xp += map.GetLength(1) + spacing;
                yp  = y + map.GetLength(0);
            }
            return(xp, yp);
        }
示例#3
0
        /// <summary>
        /// Try set the inky buffer pixel, as long as it's within the bounds of the screen
        /// </summary>
        /// <param name="inky">Inky driver</param>
        /// <param name="x">The x pixel position</param>
        /// <param name="y">The y pixel position</param>
        /// <param name="colour">The colour to set the pixel to</param>
        /// <returns>True if the pixel coordinates were within the bounds of the screen</returns>
        public static bool TrySetPixel(this IInkyDriver inky, int x, int y, InkyPixelColour colour)
        {
            if (inky is null)
            {
                throw new ArgumentNullException(nameof(inky));
            }

            if (x < 0 || y < 0 || x >= inky.Width || y >= inky.Height)
            {
                return(false);
            }

            inky.SetPixel(x, y, colour);
            return(true);
        }
示例#4
0
        /// <summary>
        /// Draw a rectangle on the inky buffer
        /// </summary>
        /// <param name="inky">Inky driver</param>
        /// <param name="x1">The x pixel position of one corner</param>
        /// <param name="y1">The y pixel position of one corner</param>
        /// <param name="x2">The x pixel position of the opposite corner</param>
        /// <param name="y2">The y pixel position of the opposite corner</param>
        /// <param name="borderColour">The border colour of the rectangle</param>
        /// <param name="fillColour">The fill colour of the rectangle (optional)</param>
        public static void DrawRectangle(this IInkyDriver inky, int x1, int y1, int x2, int y2, InkyPixelColour borderColour, InkyPixelColour?fillColour = null)
        {
            if (inky is null)
            {
                throw new ArgumentNullException(nameof(inky));
            }

            for (var i = Math.Min(x1, x2); i <= Math.Max(x1, x2); i++)
            {
                inky.SetPixel(i, y1, borderColour);
                if (y1 != y2)
                {
                    inky.SetPixel(i, y2, borderColour);
                }
            }

            for (var i = Math.Min(y1, y2); i <= Math.Max(y1, y2); i++)
            {
                inky.SetPixel(x1, i, borderColour);
                if (x1 != x2)
                {
                    inky.SetPixel(x2, i, borderColour);
                }
            }

            if (fillColour.HasValue && Math.Abs(x2 - x1) > 1 && Math.Abs(y2 - y1) > 1)
            {
                for (var i = Math.Min(x1, x2) + 1; i < Math.Max(x1, x2); i++)
                {
                    for (var j = Math.Min(y1, y2) + 1; j < Math.Max(y1, y2); j++)
                    {
                        inky.SetPixel(i, j, fillColour.Value);
                    }
                }
            }
        }