protected void Render(Image image, bool useMarker, int markerLoc = -1)
{
image.Fill(BackColor.Value);
string text = Text.Value;
if(text == null) text = "null";
int length = text.Length;
if(length == 0)
{
return;
}
if(!LockFont)
{
Point2D idealSize = new Point2D(image.Width / (Math.Max(length, lengthOverride) - Margin.Value.X * 2), image.Height - Margin.Value.Y * 2);
if(CurrentFont == null || CurrentFont.Size != idealSize)
{
CurrentFont = Font.GetFont(idealSize, Style);
}
}
int x = 0;
int y = 0;
switch(HorizontalJustify)
{
case Justify.MIN: x = Margin.Value.X; break;
case Justify.MIDDLE: x = (image.Width / 2) - (CurrentFont.Width * length / 2); break;
case Justify.MAX: x = image.Width - (CurrentFont.Width * length) - Margin.Value.X; break;
}
switch(VerticalJustify)
{
case Justify.MIN: y = Margin.Value.Y; break;
case Justify.MIDDLE: y = (image.Height / 2) - (CurrentFont.Height / 2); break;
case Justify.MAX: y = image.Height - CurrentFont.Height - Margin.Value.Y; break;
}
CurrentFont.Draw(image, x, y, text, TextColor.Value);
if(useMarker)
{
CurrentFont.Draw(image, x + (int)((markerLoc - .5) * CurrentFont.Width), y, '|', TextColor.Value);
}
}
protected override void Render(Image image)
{
image.Fill(Color.Value);
}
/// <summary>
///
/// </summary>
/// <param name="buildContext"></param>
public override void Build( BuildContext buildContext )
{
var fileNames = buildContext.ExpandAndResolveSearchPatterns( Dependencies );
var images = fileNames
.Select( fn => Image.LoadTga( fn ) )
.OrderByDescending( img0 => img0.Width * img0.Height )
.ThenByDescending( img1 => img1.Width )
.ThenByDescending( img2 => img2.Height )
.ToList();
if (!images.Any()) {
throw new InvalidOperationException("At least one subimage must be added to teh texture atlas");
}
//
// Pack atlas :
//
AtlasNode root = new AtlasNode(0,0, Width, Height, Padding );
foreach ( var img in images ) {
var n = root.Insert( img );
if (n==null) {
throw new InvalidOperationException("No enough room to place image");
}
}
//
// Create image and fill it with atlas elements :
//
var targetImage = new Image( Width, Height );
targetImage.Fill( FillColor );
root.WriteImages( targetImage );
//
// Save and compress :
//
var tgaOutput = buildContext.GetTempFileName( AssetPath, ".tga", true );
var ddsOutput = buildContext.GetTempFileName( AssetPath, ".dds", true );
Image.SaveTga( targetImage, tgaOutput );
var compression = UseDXT ? ImageFileTextureAsset.TextureCompression.BC3 : ImageFileTextureAsset.TextureCompression.RGB;
ImageFileTextureAsset.RunNVCompress( buildContext, tgaOutput, ddsOutput, NoMips, false, false, true, true, false, compression );
//
// Write binary blob (text + dds texture):
//
using ( var fs = buildContext.TargetStream( this ) ) {
var bw = new BinaryWriter( fs );
bw.Write(new[]{'A','T','L','S'});
bw.Write( images.Count );
root.WriteLayout( bw );
bw.Write( (int)(new FileInfo(ddsOutput).Length) );
using ( var dds = File.OpenRead( ddsOutput ) ) {
dds.CopyTo( fs );
}
}
}
