public BitmapFont (Stream stream, Shader shader = null) {
ThreadContext.Current.EnsureGLContext();
if (shader == null)
shader = new SpriteShader();
var tr = new TarReader(stream);
while (tr.MoveNext(false)) {
switch (tr.FileInfo.FileName) {
case "font.atlas":
using (var atlasStream = new MemoryStream()) {
tr.Read(atlasStream);
atlasStream.Position = 0;
this.ParseStream(atlasStream);
}
break;
case "font.png":
using (var textureStream = new MemoryStream()) {
tr.Read(textureStream);
textureStream.Position = 0;
_material = new SpriteMaterial(shader, new Texture (textureStream));
}
break;
default:
throw new ContentException("Unrecognized font file " + tr.FileInfo.FileName);
}
}
if (_chars == null)
throw new ContentException("Missing font atlas.");
if (_material == null)
throw new ContentException("Missing font texture.");
}
public BitmapFont(Stream stream, Shader shader = null)
{
ThreadContext.Current.EnsureGLContext();
if (shader == null)
{
shader = new SpriteShader();
}
var tr = new TarReader(stream);
while (tr.MoveNext(false))
{
switch (tr.FileInfo.FileName)
{
case "font.atlas":
using (var atlasStream = new MemoryStream()) {
tr.Read(atlasStream);
atlasStream.Position = 0;
this.ParseStream(atlasStream);
}
break;
case "font.png":
using (var textureStream = new MemoryStream()) {
tr.Read(textureStream);
textureStream.Position = 0;
_material = new SpriteMaterial(shader, new Texture(textureStream));
}
break;
default:
throw new ContentException("Unrecognized font file " + tr.FileInfo.FileName);
}
}
if (_chars == null)
{
throw new ContentException("Missing font atlas.");
}
if (_material == null)
{
throw new ContentException("Missing font texture.");
}
}
void Initialize(Stream stream, Shader shader = null)
{
ThreadContext.Current.EnsureGLContext();
if (shader == null)
{
shader = new SpriteShader();
}
int filterMode = 0;
var defs = new Dictionary <string, SpriteDefinition>();
var tr = new TarReader(stream);
while (tr.MoveNext(false))
{
switch (tr.FileInfo.FileName)
{
case "atlas.bin":
using (var atlasStream = new MemoryStream()) {
tr.Read(atlasStream);
atlasStream.Position = 0;
using (var br = new BinaryReader(atlasStream)) {
filterMode = br.ReadInt32();
for (var count = br.ReadInt32(); count > 0; --count)
{
var key = br.ReadString();
var value = SpriteDefinition.Read(br);
defs.Add(key, value);
}
}
}
break;
case "sheet.png":
using (var sheetStream = new MemoryStream((int)tr.FileInfo.SizeInBytes)) {
tr.Read(sheetStream);
sheetStream.Position = 0;
var tex = new Texture(sheetStream, new TextureSettings {
MagFilter = filterMode > 0 ? TextureFilter.Linear : TextureFilter.Nearest,
MinFilter = filterMode == 1 ? TextureFilter.Linear : filterMode == 2 ? TextureFilter.Trilinear : TextureFilter.Nearest,
});
_material = new SpriteMaterial(shader, tex);
}
break;
default:
throw new ContentException("Unrecognized atlas file " + tr.FileInfo.FileName);
}
}
if (defs == null)
{
throw new ContentException("Missing atlas file.");
}
if (_material == null)
{
throw new ContentException("Missing image file.");
}
_sprites = new Dictionary <string, Sprite>();
_vbuffer = new VertexBuffer(VertexFormat.PositionColorUV);
_ibuffer = new IndexBuffer();
var vstride = _vbuffer.Format.Stride * 4;
int vOffset = 0, iOffset = 0, vcount = 0;
var vertices = new float[vstride * defs.Count];
var indices = new int[6 * defs.Count];
var tsz = new Vector2(_material.Texture.Size.Width, _material.Texture.Size.Height);
foreach (var kvp in defs)
{
var def = kvp.Value;
var pos = def.Position;
var sz = def.Size;
var orig = def.Origin;
var color = ParseColor(def.Color);
orig.X *= sz.X;
orig.Y *= sz.Y;
if (def.Border != Vector4.Zero)
{
_sprites.Add(kvp.Key, new SlicedSprite(_material, pos, sz, orig, color, def.Border, def.TileX, def.TileY, def.Hollow));
continue;
}
var uv = new Vector4(
pos.X / tsz.X,
((pos.Y + sz.Y)) / tsz.Y,
(pos.X + sz.X) / tsz.X,
(pos.Y) / tsz.Y
);
Array.Copy(new[] {
-orig.X, -orig.Y, 0f, color.X, color.Y, color.Z, color.W, uv.X, uv.Y,
sz.X - orig.X, -orig.Y, 0f, color.X, color.Y, color.Z, color.W, uv.Z, uv.Y,
sz.X - orig.X, sz.Y - orig.Y, 0f, color.X, color.Y, color.Z, color.W, uv.Z, uv.W,
-orig.X, sz.Y - orig.Y, 0f, color.X, color.Y, color.Z, color.W, uv.X, uv.W
}, 0, vertices, vOffset, vstride);
Array.Copy(new[] {
vcount + 0, vcount + 1, vcount + 2, vcount + 2, vcount + 3, vcount + 0
}, 0, indices, iOffset, 6);
var sprite = new Sprite(_material, sz, _vbuffer, _ibuffer, iOffset, 6);
_sprites.Add(kvp.Key, sprite);
vOffset += vstride;
iOffset += 6;
vcount += 4;
}
_vbuffer.Data = vertices;
_vbuffer.Commit();
_ibuffer.Data = indices;
_ibuffer.Commit();
}