private static void ApplyExactColorRemapPixels(DirectImage source, IndexedImage dest, Point sourceStart, Point destStart, int copyWidth, int copyHeight)
{
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);
}
}
}
/// <summary>
/// Tries to set a pixel's palette index at the specified pixel coordinate
/// </summary>
/// <param name="x">x-coordinate in pixel coordinates</param>
/// <param name="y">y-coordinate in pixel coordinates</param>
/// <param name="color">Palette index of color</param>
/// <returns>True if set, false if not set</returns>
public static MagitekResult TrySetPixel(this IndexedImage image, int x, int y, ColorRgba32 color)
{
var result = image.CanSetPixel(x, y, color);
if (result.Value is MagitekResult.Success)
{
image.SetPixel(x, y, color);
}
return(result);
}
//private static MagitekResult CanRemapByAnyIndex(IndexedImage source, IndexedImage dest, Point sourceStart, Point destStart, int copyWidth, int copyHeight)
//{
// for (int y = 0; y < copyHeight; y++)
// {
// for (int x = 0; x < copyWidth; x++)
// {
// }
// }
// return MagitekResult.SuccessResult;
//}
private static void ApplyRemapByExactIndex(IndexedImage source, IndexedImage dest, Point sourceStart, Point destStart, int copyWidth, int copyHeight)
{
for (int y = 0; y < copyHeight; y++)
{
for (int x = 0; x < copyWidth; x++)
{
var index = source.GetPixel(x + sourceStart.X, y + sourceStart.Y);
dest.SetPixel(x + destStart.X, y + destStart.Y, index);
}
}
}
/// <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 IndexedImage image, int x, int y, byte fillIndex)
{
bool isModified = false;
var replaceIndex = image.GetPixel(x, y);
var startingPalette = image.GetElementAtPixel(x, y).Value.Palette;
if (fillIndex == replaceIndex)
{
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 == replaceIndex)
{
var destPalette = image.GetElementAtPixel(nodePosition.x, nodePosition.y).Value.Palette;
if (ReferenceEquals(startingPalette, destPalette))
{
isModified = true;
image.SetPixel(nodePosition.x, nodePosition.y, fillIndex);
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);
}
