private void ApplyEdgeProcessFast(TextureEdgeProcess edge, FastBitmap f, Bitmap s, Node n)
{
if (edge == TextureEdgeProcess.Expand1Px)
{
if (Padding < 2) // partL expand 1px to right, partR expand 1px to left, therefore 2px needed
{
throw new ArgumentOutOfRangeException(nameof(edge), "Padding must > 2 when using Texture Edge Expand");
}
//source: pick a slice from part; dest: put slice to atlas
//top
f.CopyRegion(s, new Rectangle(0, 0, s.Width, 1),
new Rectangle(n.Bounds.X, n.Bounds.Y - 1, s.Width, 1));
//down
f.CopyRegion(s, new Rectangle(0, s.Height - 1, s.Width, 1),
new Rectangle(n.Bounds.X, n.Bounds.Y + n.Bounds.Height, s.Width, 1));
//left
f.CopyRegion(s, new Rectangle(0, 0, 1, s.Height),
new Rectangle(n.Bounds.X - 1, n.Bounds.Y, 1, s.Height));
//right
f.CopyRegion(s, new Rectangle(s.Width - 1, 0, 1, s.Height),
new Rectangle(n.Bounds.X + n.Bounds.Width, n.Bounds.Y, 1, s.Height));
}
}
public Image ToImage(bool debugMode = false, TextureEdgeProcess edge = TextureEdgeProcess.None, Color?background = null)
{
var bgColor = background ?? Color.FromArgb(0, Color.Black);
Bitmap img = new Bitmap(Width, Height, PixelFormat.Format32bppArgb);
//avoid using Graphics
#if USE_FASTBITMAP
if (!debugMode)
{
using (var f = img.FastLock())
{
if (background != null)
{
f.Clear(bgColor);
}
foreach (Node n in Nodes)
{
if (n.Texture != null)
{
Image sourceImg = n.Texture.SourceImage ?? new Bitmap(n.Texture.Source);
if (!(sourceImg is Bitmap s))
{
s = new Bitmap(sourceImg);
}
f.CopyRegion(s, new Rectangle(0, 0, s.Width, s.Height), n.Bounds);
ApplyEdgeProcessFast(edge, f, s, n);
}
}
}
//img.Save("tex.png", ImageFormat.png);
return(img);
}
#endif
Graphics g = Graphics.FromImage(img);
g.Clear(bgColor);
//g.PixelOffsetMode = PixelOffsetMode.Half;
//g.InterpolationMode = InterpolationMode.Default;
//g.SmoothingMode = SmoothingMode.None;
//ImageAttributes attributes = new ImageAttributes();
//attributes.SetWrapMode(WrapMode.TileFlipXY);
if (debugMode)
{
g.FillRectangle(Brushes.Green, new Rectangle(0, 0, Width, Height));
}
foreach (Node n in Nodes)
{
if (n.Texture != null)
{
Image sourceImg = n.Texture.SourceImage ?? new Bitmap(n.Texture.Source);
#if USE_FASTBITMAP
using (var f = img.FastLock())
{
if (!(sourceImg is Bitmap s))
{
s = new Bitmap(sourceImg);
}
f.CopyRegion(s, new Rectangle(0, 0, s.Width, s.Height), n.Bounds);
ApplyEdgeProcessFast(edge, f, s, n);
}
#else
g.DrawImage(sourceImg, n.Bounds);
//g.DrawImage(sourceImg, n.Bounds, 0,0, sourceImg.Width, sourceImg.Height, GraphicsUnit.Pixel, attributes);
#endif
if (debugMode)
{
string label = Path.GetFileNameWithoutExtension(n.Texture.Source);
SizeF labelBox = g.MeasureString(label, SystemFonts.MenuFont, new SizeF(n.Bounds.Size));
RectangleF rectBounds = new Rectangle(n.Bounds.Location,
new Size((int)labelBox.Width, (int)labelBox.Height));
g.FillRectangle(Brushes.Black, rectBounds);
g.DrawString(label, SystemFonts.MenuFont, Brushes.White, rectBounds);
}
}
else
{
g.FillRectangle(Brushes.DarkMagenta, n.Bounds);
if (debugMode)
{
string label = n.Bounds.Width + "x" + n.Bounds.Height;
SizeF labelBox = g.MeasureString(label, SystemFonts.MenuFont, new SizeF(n.Bounds.Size));
RectangleF rectBounds = new Rectangle(n.Bounds.Location,
new Size((int)labelBox.Width, (int)labelBox.Height));
g.FillRectangle(Brushes.Black, rectBounds);
g.DrawString(label, SystemFonts.MenuFont, Brushes.White, rectBounds);
}
}
}
return(img);
}