public Texture (Stream stream, TextureSettings settings = null, bool leaveOpen = true) {
byte[] data = PngLoader.Decode(stream, out _size, out _format);
this.Initialize(data, settings);
if (!leaveOpen)
stream.Dispose();
}
public Sprite (Stream stream, TextureSettings settings, Vector4 rect, bool relativeRect, Vector4 color, bool flipV = true) {
var tex = new Texture(stream, settings);
_material = new SpriteMaterial(new SpriteShader(), tex);
if (rect == Vector4.Zero)
rect = new Vector4(0, 0, tex.Size.Width, tex.Size.Height);
else if (relativeRect) {
rect.X *= tex.Size.Width;
rect.Y *= tex.Size.Height;
rect.Z *= tex.Size.Width;
rect.W *= tex.Size.Height;
}
_size = new Vector2(rect.Z - rect.X, rect.W - rect.Y);
_vbuffer = new VertexBuffer(VertexFormat.PositionColorUV);
_vbuffer.Data = new [] {
rect.X, rect.Y, 0f, color.X, color.Y, color.Z, color.W, 0f, flipV ? 1f : 0f,
rect.Z, rect.Y, 0f, color.X, color.Y, color.Z, color.W, 1f, flipV ? 1f : 0f,
rect.Z, rect.W, 0f, color.X, color.Y, color.Z, color.W, 1f, flipV ? 0f : 1f,
rect.X, rect.W, 0f, color.X, color.Y, color.Z, color.W, 0f, flipV ? 0f : 1f
};
_vbuffer.Commit ();
_ibuffer = new IndexBuffer();
_ibuffer.Data = new [] { 0, 1, 2, 2, 3, 0 };
_ibuffer.Commit ();
_ioffset = 0;
_icount = 6;
_ownResources = true;
}
public Sprite(Stream stream, TextureSettings settings, Vector4 rect, bool relativeRect, Vector4 color, bool flipV = true)
{
var tex = new Texture(stream, settings);
_material = new SpriteMaterial(new SpriteShader(), tex);
if (rect == Vector4.Zero)
{
rect = new Vector4(0, 0, tex.Size.Width, tex.Size.Height);
}
else if (relativeRect)
{
rect.X *= tex.Size.Width;
rect.Y *= tex.Size.Height;
rect.Z *= tex.Size.Width;
rect.W *= tex.Size.Height;
}
_size = new Vector2(rect.Z - rect.X, rect.W - rect.Y);
_vbuffer = new VertexBuffer(VertexFormat.PositionColorUV);
_vbuffer.Data = new [] {
rect.X, rect.Y, 0f, color.X, color.Y, color.Z, color.W, 0f, flipV ? 1f : 0f,
rect.Z, rect.Y, 0f, color.X, color.Y, color.Z, color.W, 1f, flipV ? 1f : 0f,
rect.Z, rect.W, 0f, color.X, color.Y, color.Z, color.W, 1f, flipV ? 0f : 1f,
rect.X, rect.W, 0f, color.X, color.Y, color.Z, color.W, 0f, flipV ? 0f : 1f
};
_vbuffer.Commit();
_ibuffer = new IndexBuffer();
_ibuffer.Data = new [] { 0, 1, 2, 2, 3, 0 };
_ibuffer.Commit();
_ioffset = 0;
_icount = 6;
_ownResources = true;
}
public Texture (string path, TextureSettings settings = null)
: this(Assets.ResolveStream(path), settings, false)
{
}
public Texture (Size size, TextureSettings settings = null, PixelFormat format = PixelFormat.Rgba) {
_size = size;
_format = format;
this.Initialize(null, settings);
}
public Texture(int width, int height, TextureSettings settings = null,
#if __MOBILE__
All format = All.Rgba
public Sprite(String path, TextureSettings settings = null)
: this(path, settings, Vector4.Zero, false, Vector4.One)
{
}
public Sprite(String path, TextureSettings settings, Vector4 rect, bool relativeRect = false)
: this(path, settings, rect, relativeRect, Vector4.One)
{
}
public Sprite(String path, TextureSettings settings, Vector4 rect, bool relativeRect, Vector4 color, bool flipV = true)
: this(Assets.ResolveStream(path), settings, rect, relativeRect, color, flipV)
{
}
public Sprite (Stream stream, TextureSettings settings, Vector4 rect, bool relativeRect = false)
: this(stream, settings, rect, relativeRect, Vector4.One)
{
}
public Sprite(Stream stream, TextureSettings settings, Vector4 rect, bool relativeRect = false)
: this(stream, settings, rect, relativeRect, Vector4.One)
{
}
public Sprite (String path, TextureSettings settings = null)
: this(path, settings, Vector4.Zero, false, Vector4.One)
{
}
public Sprite (String path, TextureSettings settings, Vector4 rect, bool relativeRect = false)
: this(path, settings, rect, relativeRect, Vector4.One)
{
}
public Sprite (String path, TextureSettings settings, Vector4 rect, bool relativeRect, Vector4 color, bool flipV = true)
: this(Assets.ResolveStream(path), settings, rect, relativeRect, color, flipV)
{
}
public Sprite (Stream stream, TextureSettings settings = null)
: this(stream, settings, Vector4.Zero, false, Vector4.One)
{
}
void Initialize (byte[] buf, TextureSettings settings) {
_settings = settings ?? new TextureSettings();
ThreadContext.Current.EnsureGLContext();
// upload the texture into a texture buffer
_handle = (uint)GL.GenTexture();
GL.PixelStore(PixelStoreParameter.UnpackAlignment, 1);
GL.ActiveTexture(TextureUnit.Texture0);
GL.BindTexture(TextureTarget.Texture2D, _handle);
if (buf == null)
GL.TexImage2D(TextureTarget.Texture2D, 0, PixelInternalFormat.Rgba, _size.Width, _size.Height, 0, _format, PixelType.UnsignedByte, IntPtr.Zero);
else {
GL.TexImage2D(TextureTarget.Texture2D, 0, PixelInternalFormat.Rgba, _size.Width, _size.Height,
0, _format, PixelType.UnsignedByte, buf);
if (_settings.MinFilter == TextureFilter.Trilinear)
GL.GenerateMipmap(GenerateMipmapTarget.Texture2D);
}
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMagFilter, (int)_settings.MagFilter);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMinFilter, (int)_settings.MinFilter);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureWrapS, (int)_settings.WrapS);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureWrapT, (int)_settings.WrapT);
GL.BindTexture(TextureTarget.Texture2D, 0);
_texelSize = new Vector2(1f / _size.Width, 1f / _size.Height);
Interlocked.Increment(ref _textureCount);
}
public Sprite(Stream stream, TextureSettings settings = null)
: this(stream, settings, Vector4.Zero, false, Vector4.One)
{
}
