Ejemplo n.º 1
0
        /// <summary>
        /// Draw a single-stroke border based on given rectangle.
        /// </summary>
        /// <param name="surface">Target surface</param>
        /// <param name="bounds">Border bounds</param>
        /// <param name="front">Foreground color to use</param>
        /// <param name="back">Background color to use</param>
        public static void DrawBorder(
            this Surface surface,
            Rectangle bounds,
            Color front,
            Color back
            )
        {
            var topLeft     = bounds.TopLeft;
            var topRight    = bounds.TopRight;
            var bottomLeft  = bounds.BottomLeft;
            var bottomRight = bounds.BottomRight;


            var horizontalTile = new Tile((int)BoxCharacters.Horizontal, front, back);

            for (var ix = topLeft.X; ix <= topRight.X; ++ix)
            {
                surface.SetTile(new Position(ix, topLeft.Y), horizontalTile);
                surface.SetTile(new Position(ix, bottomRight.Y), horizontalTile);
            }

            var verticalTile = new Tile((int)BoxCharacters.Vertical, front, back);

            for (var iy = topLeft.Y; iy <= bottomLeft.Y; ++iy)
            {
                surface.SetTile(new Position(topLeft.X, iy), verticalTile);
                surface.SetTile(new Position(topRight.X, iy), verticalTile);
            }

            surface.SetTile(topLeft, new Tile((int)BoxCharacters.CornerTopLeft, front, back));
            surface.SetTile(topRight, new Tile((int)BoxCharacters.CornerTopRight, front, back));
            surface.SetTile(bottomLeft, new Tile((int)BoxCharacters.CornerBottomLeft, front, back));
            surface.SetTile(bottomRight, new Tile((int)BoxCharacters.CornerBottomRight, front, back));
        }
Ejemplo n.º 2
0
        /// <summary>
        /// Draw a rectangle of given glyph with given colors
        /// </summary>
        public static void DrawRectangle(
            this Surface surface,
            Rectangle bounds,
            int glyph,
            Color front,
            Color back
            )
        {
            var tile        = new Tile(glyph, front, back);
            var topLeft     = bounds.TopLeft;
            var topRight    = bounds.TopRight;
            var bottomLeft  = bounds.BottomLeft;
            var bottomRight = bounds.BottomRight;

            for (var ix = topLeft.X; ix <= topRight.X; ++ix)
            {
                surface.SetTile(new Position(ix, topLeft.Y), tile);
                surface.SetTile(new Position(ix, bottomRight.Y), tile);
            }

            for (var iy = topLeft.Y; iy <= bottomLeft.Y; ++iy)
            {
                surface.SetTile(new Position(topLeft.X, iy), tile);
                surface.SetTile(new Position(topRight.X, iy), tile);
            }
        }
Ejemplo n.º 3
0
        /// <summary>
        /// Draw a window consisting of a border and a title.
        /// </summary>
        /// <param name="surface">Target surface</param>
        /// <param name="bounds">Position and dimensions of the window</param>
        /// <param name="title">Window title</param>
        /// <param name="borderFront">Border foreground color</param>
        /// <param name="borderBack">Border background color</param>
        /// <param name="titleFront">Tittle foreground color</param>
        /// <param name="fillBack">The color used to fill the inner parts of the window</param>
        public static void DrawWindow(
            this Surface surface,
            Rectangle bounds,
            string title,
            Color borderFront,
            Color borderBack,
            Color titleFront,
            Color fillBack
            )
        {
            if (string.IsNullOrEmpty(title))
            {
                throw new ArgumentException("DrawWindow: Title can't be empty");
            }

            var maxLength      = bounds.Size.Width - 4;
            var truncatedTitle = (title.Length <= maxLength) ? title : title.Substring(0, maxLength);

            surface.FillArea(bounds, new Tile(0, DefaultColors.Black, fillBack));
            surface.DrawBorder(bounds, borderFront, borderBack);
            var centerX = bounds.TopLeft.X + (bounds.Size.Width / 2);

            surface.DrawStringCentered(new Position(centerX, bounds.TopLeft.Y), truncatedTitle, titleFront, borderBack);

            var beforeTitleX = centerX - ((truncatedTitle.Length / 2) + 1);
            var afterTitleX  = centerX + (truncatedTitle.Length / 2);

            surface.SetTile(new Position(beforeTitleX, bounds.TopLeft.Y), new Tile((int)BoxCharacters.VerticalLeft, borderFront, borderBack));
            surface.SetTile(new Position(afterTitleX, bounds.TopLeft.Y), new Tile((int)BoxCharacters.VerticalRight, borderFront, borderBack));

            for (var ix = 0; ix < bounds.Size.Width; ++ix)
            {
                var position = new Position(bounds.TopLeft.X + 1 + ix, bounds.BottomRight.Y + 1);
                surface.SetUiShadow(position, true);
            }

            for (var iy = 0; iy < bounds.Size.Height; ++iy)
            {
                var position = new Position(bounds.TopRight.X + 1, bounds.TopLeft.Y + 1 + iy);
                surface.SetUiShadow(position, true);
            }

            // Make sure no left over UI shadow is placed on this window from previous drawing operations
            // this window is overlaying
            for (var ix = bounds.BottomLeft.X; ix <= bounds.BottomRight.X; ++ix)
            {
                for (var iy = bounds.TopLeft.Y; iy <= bounds.BottomRight.Y; ++iy)
                {
                    surface.SetUiShadow(new Position(ix, iy), false);
                }
            }
        }
Ejemplo n.º 4
0
 /// <summary>
 /// Fill given area on surface with a tile
 /// </summary>
 public static void FillArea(
     this Surface surface,
     Rectangle area,
     Tile tile
     )
 {
     for (var ix = area.TopLeft.X; ix <= area.BottomRight.X; ++ix)
     {
         for (var iy = area.TopLeft.Y; iy <= area.BottomRight.Y; ++iy)
         {
             surface.SetTile(new Position(ix, iy), tile);
         }
     }
 }
Ejemplo n.º 5
0
        /// <summary>
        /// Draw a progress bar in given bounds.
        /// </summary>
        /// <param name="surface">Target surface</param>
        /// <param name="bounds">Bounds to fill with progress bar</param>
        /// <param name="value">Current progress bar value, in [0, 1]</param>
        /// <param name="front">Foreground color to use</param>
        /// <param name="back">Background color to use</param>
        public static void DrawProgressBar(
            this Surface surface,
            Rectangle bounds,
            double value,
            Color front,
            Color back
            )
        {
            // Clamp progress value to [0.0, 1.0] to avoid issues
            value = Math.Clamp(value, 0.0, 1.0);

            var filledSegment     = new Tile(219, front, back);
            var halfFilledSegment = new Tile(221, front, back);
            var emptySegment      = new Tile(219, back, back);

            var progress = value * bounds.Size.Width;

            // Draw filled segments
            var filledSegments = (int)progress;

            for (var ix = 0; ix < filledSegments; ++ix)
            {
                for (var iy = 0; iy < bounds.Size.Height; ++iy)
                {
                    surface.SetTile(new Position(bounds.TopLeft.X + ix, bounds.TopLeft.Y + iy), filledSegment);
                }
            }

            // Draw potentially half-filled segment
            var fraction        = progress - Math.Truncate(progress);
            var drawHalfSegment = (fraction >= 0.5);

            if (drawHalfSegment)
            {
                for (var iy = 0; iy < bounds.Size.Height; ++iy)
                {
                    surface.SetTile(new Position(bounds.TopLeft.X + filledSegments, bounds.TopLeft.Y + iy), halfFilledSegment);
                }
            }

            // Draw empty segments
            for (var ix = (drawHalfSegment ? 1 : 0) + filledSegments; ix < bounds.Size.Width; ++ix)
            {
                for (var iy = 0; iy < bounds.Size.Height; ++iy)
                {
                    surface.SetTile(new Position(bounds.TopLeft.X + ix, bounds.TopLeft.Y + iy), emptySegment);
                }
            }
        }