public static PackedSprites PackSprites(IList <Bitmap> sourceSprites)
{
if (sourceSprites.Count == 0)
{
throw new ArgumentException(nameof(sourceSprites));
}
var sprites = sourceSprites
.Select((a, i) => new PackedSprite {
Width = a.Width + 2, Height = a.Height + 2, Bitmap = a, Index = i
})
.OrderBy(a => a.Height * 1024 + a.Width)
.ToList();
var outputWidth = CalculateOutputWidth(sprites);
var outputHeight = 0;
for (var i = 0; i < sprites.Count; i++)
{
PositionSprite(sprites, i, outputWidth);
outputHeight = Math.Max(outputHeight, sprites[i].Y + sprites[i].Height);
}
sprites = sprites.OrderBy(a => a.Index).ToList();
var output = new PackedSprites
{
OutputBitmap = new Bitmap(outputWidth, outputHeight),
SpritePositions = new Dictionary <Bitmap, Rectangle>()
};
foreach (var sprite in sprites)
{
var source = sprite.Bitmap;
var x = sprite.X;
var y = sprite.Y;
var w = source.Width;
var h = source.Height;
for (var i = 0; i < w; i++)
{
for (var j = 0; j < h; j++)
{
output.OutputBitmap.SetPixel(x + 1 + i, y + 1 + j, source.GetPixel(i, j));
}
}
output.SpritePositions[source] = new Rectangle(x + 1, y + 1, w, h);
}
return(output);
}
protected override YAMLMappingNode ExportYAMLRoot(IExportContainer container)
{
YAMLMappingNode node = base.ExportYAMLRoot(container);
if (IsReadEditorData(container.ExportFlags))
{
node.Add(EditorDataName, GetEditorData(container.Flags).ExportYAML(container));
node.Add(MasterAtlasName, MasterAtlas.ExportYAML(container));
}
node.Add(PackedSpritesName, PackedSprites.ExportYAML(container));
node.Add(PackedSpriteNamesToIndexName, PackedSpriteNamesToIndex.ExportYAML());
if (IsReadRenderDataMap(container.ExportFlags))
{
node.Add(RenderDataMapName, RenderDataMap.ExportYAML(container));
}
node.Add(TagName, Tag);
node.Add(IsVariantName, IsVariant);
return(node);
}