Esempio n. 1
0
    public override void SetPixel(int x, int y, ColorRgba32 color)
    {
        _directImage.SetPixel(x + _viewX, y + _viewY, color);

        if (_activePencilHistory.ModifiedPoints.Add(new Point(x, y)))
        {
            IsModified = true;
            BitmapAdapter.Invalidate(x, y, 1, 1);
        }
    }
Esempio n. 2
0
    public static MagitekResult CopyPixels(DirectImage source, DirectImage dest, Point sourceStart, Point destStart, int copyWidth, int copyHeight)
    {
        var dimensionResult = CanCopyPixelDimensions(source, dest, sourceStart, destStart, copyWidth, copyHeight);

        if (dimensionResult.Value is MagitekResult.Failed)
        {
            return(dimensionResult);
        }

        if (ImageRegionContainsInvalidElements(source, sourceStart, copyWidth, copyHeight))
        {
            return(new MagitekResult.Failed($"Source image copy region contains blank elements"));
        }

        if (ImageRegionContainsInvalidElements(dest, destStart, copyWidth, copyHeight))
        {
            return(new MagitekResult.Failed($"Destination image paste region contains blank elements"));
        }

        for (int y = 0; y < copyHeight; y++)
        {
            for (int x = 0; x < copyWidth; x++)
            {
                var color = source.GetPixel(x + sourceStart.X, y + sourceStart.Y);
                dest.SetPixel(x + destStart.X, y + destStart.Y, color);
            }
        }

        return(MagitekResult.SuccessResult);
    }
Esempio n. 3
0
    /// <summary>
    /// Fills the surrounding, contiguous color area with a new color
    /// </summary>
    /// <param name="x">x-coordinate to start at in pixel coordinates</param>
    /// <param name="y">y-coordinate to start at in pixel coordinates</param>
    /// <param name="fillIndex">Palette index to fill with</param>
    /// <returns>True if any pixels were modified</returns>
    public static bool FloodFill(this DirectImage image, int x, int y, ColorRgba32 fillColor)
    {
        bool isModified   = false;
        var  replaceColor = image.GetPixel(x, y);

        if (fillColor.Color == replaceColor.Color)
        {
            return(false);
        }

        var openNodes = new Stack <(int x, int y)>();

        openNodes.Push((x, y));

        while (openNodes.Count > 0)
        {
            var nodePosition = openNodes.Pop();

            if (nodePosition.x >= 0 && nodePosition.x < image.Width && nodePosition.y >= 0 && nodePosition.y < image.Height)
            {
                var nodeColor = image.GetPixel(nodePosition.x, nodePosition.y);
                if (nodeColor.Color == replaceColor.Color)
                {
                    isModified = true;
                    image.SetPixel(nodePosition.x, nodePosition.y, fillColor);
                    openNodes.Push((nodePosition.x - 1, nodePosition.y));
                    openNodes.Push((nodePosition.x + 1, nodePosition.y));
                    openNodes.Push((nodePosition.x, nodePosition.y - 1));
                    openNodes.Push((nodePosition.x, nodePosition.y + 1));
                }
            }
        }

        return(isModified);
    }