private Image CreateAtlasImage(Atlas _Atlas)
{
Image img = new Bitmap(_Atlas.Width, _Atlas.Height, System.Drawing.Imaging.PixelFormat.Format32bppArgb);
System.Drawing.Graphics g = System.Drawing.Graphics.FromImage(img);
if (DebugMode)
{
g.FillRectangle(Brushes.Green, new Rectangle(0, 0, _Atlas.Width, _Atlas.Height));
}
foreach (Node n in _Atlas.Nodes)
{
if (n.Texture != null)
{
Image sourceImg = Image.FromFile(n.Texture.Source);
g.DrawImage(sourceImg, n.Bounds);
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.ToString() + "x" + n.Bounds.Height.ToString();
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);
}
public void Process(string _SourceDir, string _Pattern, int _AtlasSize, int _Padding, bool _DebugMode)
{
Padding = _Padding;
AtlasSize = _AtlasSize;
DebugMode = _DebugMode;
//1: scan for all the textures we need to pack
ScanForTextures(_SourceDir, _Pattern);
List <ImageInfo> textures = new List <ImageInfo>();
textures = SourceTextures.ToList();
//2: generate as many atlasses as needed (with the latest one as small as possible)
Atlasses = new List <Atlas>();
while (textures.Count > 0)
{
Atlas atlas = new Atlas();
atlas.Width = _AtlasSize;
atlas.Height = _AtlasSize;
List <ImageInfo> leftovers = LayoutAtlas(textures, atlas);
if (leftovers.Count == 0)
{
// we reached the last atlas. Check if this last atlas could have been twice smaller
while (leftovers.Count == 0)
{
atlas.Width /= 2;
atlas.Height /= 2;
leftovers = LayoutAtlas(textures, atlas);
}
// we need to go 1 step larger as we found the first size that is to small
atlas.Width *= 2;
atlas.Height *= 2;
leftovers = LayoutAtlas(textures, atlas);
}
Atlasses.Add(atlas);
textures = leftovers;
}
}
public void Process(int WidthPixels, int PaddingPixels, bool _DebugMode)
{
List <ImageInfo> textures = new List <ImageInfo>();
textures = SourceTextures.ToList();
//2: generate as many atlasses as needed (with the latest one as small as possible)
Atlasses = new List <Atlas>();
while (textures.Count > 0)
{
Atlas atlas = new Atlas();
atlas.Width = WidthPixels;
atlas.Height = WidthPixels;
List <ImageInfo> leftovers = LayoutAtlas(textures, atlas);
if (leftovers.Count == 0)
{
// we reached the last atlas. Check if this last atlas could have been twice smaller
while (leftovers.Count == 0)
{
atlas.Width /= 2;
atlas.Height /= 2;
leftovers = LayoutAtlas(textures, atlas);
}
// we need to go 1 step larger as we found the first size that is to small
atlas.Width *= 2;
atlas.Height *= 2;
leftovers = LayoutAtlas(textures, atlas);
}
Atlasses.Add(atlas);
textures = leftovers;
}
}
