/// <summary>
/// Perform a floodfill click at the specified (x,y) pixel coords
/// </summary>
/// <param name="pxSpriteX">Click x-position (in pixels)</param>
/// <param name="pxSpriteY">Click y-position (in pixels)</param>
/// <returns>True if the sprite changes as a result of this click, false otherwise.</returns>
public bool FloodFillClick(int pxSpriteX, int pxSpriteY)
{
int colorOld = GetPixel(pxSpriteX, pxSpriteY);
int colorNew = Subpalette.CurrentColor;
if (colorOld == colorNew)
{
return(false);
}
// Stack of pixels to process.
Stack <PixelCoord> stackPixels = new Stack <PixelCoord>();
PixelCoord p = new PixelCoord(pxSpriteX, pxSpriteY);
stackPixels.Push(p);
while (stackPixels.Count != 0)
{
p = stackPixels.Pop();
SetPixel(p.X, p.Y, colorNew);
FloodFill_CheckPixel(p.X - 1, p.Y, colorOld, ref stackPixels);
FloodFill_CheckPixel(p.X + 1, p.Y, colorOld, ref stackPixels);
FloodFill_CheckPixel(p.X, p.Y - 1, colorOld, ref stackPixels);
FloodFill_CheckPixel(p.X, p.Y + 1, colorOld, ref stackPixels);
}
FlushBitmaps();
return(true);
}
/// <summary>
/// Convert from maths coordinates to pixel coordinates.
/// </summary>
/// <param name="cmplxPoint">Complex number (mathematical coordiantes)</param>
/// <returns>Pixel coordinate, also a complex number but represented
/// as an X,Y screen coordinate</returns>
public PixelCoord GetPixelCoord(ComplexPoint cmplxPoint)
{
PixelCoord result = new PixelCoord();
result.xPixel = (int)(convConstX1 * cmplxPoint.x - convConstX2);
result.yPixel = (int)(convConstY1 - convConstY2 * cmplxPoint.y);
return(result);
}
/// <summary>
/// Perform a floodfill click at the specified (x,y) pixel coords
/// </summary>
/// <param name="pxSpriteX">Click x-position (in pixels)</param>
/// <param name="pxSpriteY">Click y-position (in pixels)</param>
/// <returns>True if the sprite changes as a result of this click, false otherwise.</returns>
public bool FloodFillClick(int pxSpriteX, int pxSpriteY)
{
int colorOld = GetPixel(pxSpriteX, pxSpriteY);
int colorNew = Subpalette.CurrentColor;
if (colorOld == colorNew)
return false;
// Stack of pixels to process.
Stack<PixelCoord> stackPixels = new Stack<PixelCoord>();
PixelCoord p = new PixelCoord(pxSpriteX, pxSpriteY);
stackPixels.Push(p);
while (stackPixels.Count != 0)
{
p = stackPixels.Pop();
SetPixel(p.X, p.Y, colorNew);
FloodFill_CheckPixel(p.X - 1, p.Y, colorOld, ref stackPixels);
FloodFill_CheckPixel(p.X + 1, p.Y, colorOld, ref stackPixels);
FloodFill_CheckPixel(p.X, p.Y - 1, colorOld, ref stackPixels);
FloodFill_CheckPixel(p.X, p.Y + 1, colorOld, ref stackPixels);
}
FlushBitmaps();
return true;
}
