public static Texture2D FromStream(GraphicsDevice gd, Stream str)
{
//if (!UseSoftLoad)
//{
//attempt monogame load of image
var magic = (str.ReadByte() | (str.ReadByte() << 8));
str.Seek(0, SeekOrigin.Begin);
magic += 0;
if (magic == 0x4D42)
{
try
{
//it's a bitmap.
var tex = Texture2D.FromStream(gd, str);
ManualTextureMaskSingleThreaded(ref tex, MASK_COLORS.ToArray());
return(tex);
}
catch (Exception)
{
return(null); //bad bitmap :(
}
}
else
{
//test for targa
str.Seek(-18, SeekOrigin.End);
byte[] sig = new byte[16];
str.Read(sig, 0, 16);
str.Seek(0, SeekOrigin.Begin);
if (ASCIIEncoding.Default.GetString(sig) == "TRUEVISION-XFILE")
{
try
{
var tga = new TargaImagePCL.TargaImage(str);
var tex = new Texture2D(gd, tga.Image.Width, tga.Image.Height);
tex.SetData(tga.Image.ToBGRA(true));
return(tex);
}
catch (Exception)
{
return(null); //bad tga
}
}
else
{
//anything else
try
{
var tex = Texture2D.FromStream(gd, str);
return(tex);
}
catch (Exception e)
{
Console.WriteLine("error: " + e.ToString());
return(new Texture2D(gd, 1, 1));
}
}
}
}
private static Texture2D WinFromStream(GraphicsDevice gd, Stream str)
{
//if (!UseSoftLoad)
//{
//attempt monogame load of image
var magic = (str.ReadByte() | (str.ReadByte() << 8));
str.Seek(0, SeekOrigin.Begin);
magic += 0;
if (magic == 0x4D42)
{
try
{
//it's a bitmap.
var tex = Texture2D.FromStream(gd, str);
ManualTextureMaskSingleThreaded(ref tex, MASK_COLORS.ToArray());
return(tex);
}
catch (Exception)
{
return(null); //bad bitmap :(
}
}
else
{
//test for targa
str.Seek(-18, SeekOrigin.End);
byte[] sig = new byte[16];
str.Read(sig, 0, 16);
str.Seek(0, SeekOrigin.Begin);
if (ASCIIEncoding.Default.GetString(sig) == "TRUEVISION-XFILE")
{
try
{
var tga = new TargaImagePCL.TargaImage(str);
var tex = new Texture2D(gd, tga.Image.Width, tga.Image.Height);
tex.SetData(tga.Image.ToBGRA(true));
return(tex);
}
catch (Exception)
{
return(null); //bad tga
}
}
else
{
//anything else
try
{
var tex = Texture2D.FromStream(gd, str);
if (PremultiplyPNG)
{
var buffer = new Color[tex.Width * tex.Height];
tex.GetData <Color>(buffer);
for (int i = 0; i < buffer.Length; i++)
{
var a = buffer[i].A;
buffer[i] = new Color((byte)((buffer[i].R * a) / 255), (byte)((buffer[i].G * a) / 255), (byte)((buffer[i].B * a) / 255), a);
}
tex.SetData(buffer);
}
return(tex);
}
catch (Exception e)
{
Console.WriteLine("error: " + e.ToString());
return(new Texture2D(gd, 1, 1));
}
}
}
}
public static Texture2D WinFromStreamP(GraphicsDevice gd, Stream str, int premult)
{
//if (!UseSoftLoad)
//{
//attempt monogame load of image
var magic = (str.ReadByte() | (str.ReadByte() << 8));
str.Seek(0, SeekOrigin.Begin);
magic += 0;
if (magic == 0x4D42)
{
try
{
//it's a bitmap.
Texture2D tex;
if (ImageLoaderHelpers.BitmapFunction != null)
{
var bmp = ImageLoaderHelpers.BitmapFunction(str);
if (bmp == null)
{
return(null);
}
tex = new Texture2D(gd, bmp.Item2, bmp.Item3);
tex.SetData(bmp.Item1);
}
else
{
tex = Texture2D.FromStream(gd, str);
}
ManualTextureMaskSingleThreaded(ref tex, MASK_COLORS.ToArray());
return(tex);
}
catch (Exception)
{
return(null); //bad bitmap :(
}
}
else
{
//test for targa
str.Seek(-18, SeekOrigin.End);
byte[] sig = new byte[16];
str.Read(sig, 0, 16);
str.Seek(0, SeekOrigin.Begin);
if (ASCIIEncoding.Default.GetString(sig) == "TRUEVISION-XFILE")
{
try
{
var tga = new TargaImagePCL.TargaImage(str);
var tex = new Texture2D(gd, tga.Image.Width, tga.Image.Height);
tex.SetData(tga.Image.ToBGRA(true));
return(tex);
}
catch (Exception)
{
return(null); //bad tga
}
}
else
{
//anything else
try
{
var tex = Texture2D.FromStream(gd, str);
premult += PremultiplyPNG;
if (premult == 1)
{
var buffer = new Color[tex.Width * tex.Height];
tex.GetData <Color>(buffer);
for (int i = 0; i < buffer.Length; i++)
{
var a = buffer[i].A;
buffer[i] = new Color((byte)((buffer[i].R * a) / 255), (byte)((buffer[i].G * a) / 255), (byte)((buffer[i].B * a) / 255), a);
}
tex.SetData(buffer);
}
else if (premult == -1) //divide out a premultiply... currently needed for dx since it premultiplies pngs without reason
{
var buffer = new Color[tex.Width * tex.Height];
tex.GetData <Color>(buffer);
for (int i = 0; i < buffer.Length; i++)
{
var a = buffer[i].A / 255f;
buffer[i] = new Color((byte)(buffer[i].R / a), (byte)(buffer[i].G / a), (byte)(buffer[i].B / a), buffer[i].A);
}
tex.SetData(buffer);
}
return(tex);
}
catch (Exception e)
{
Console.WriteLine("error: " + e.ToString());
return(new Texture2D(gd, 1, 1));
}
}
}
}
/*
public static Texture2D FromStreamSoft(GraphicsDevice gd, Stream str)
{
//TODO: does not compile on xamarin platforms, so we use the slower method since it seems to load TGAs fine.
Bitmap bmp = null;
var magic = (str.ReadByte() | (str.ReadByte() << 8));
str.Seek(0, SeekOrigin.Begin);
magic += 0;
if (magic == 0x4D42)
{
try
{
bmp = (Bitmap)Image.FromStream(str); //try as bmp
}
catch (Exception)
{
return null; //bad bitmap
}
}
else
{
//test for targa
str.Seek(-18, SeekOrigin.End);
byte[] sig = new byte[16];
str.Read(sig, 0, 16);
str.Seek(0, SeekOrigin.Begin);
if (ASCIIEncoding.Default.GetString(sig) == "TRUEVISION-XFILE")
{
try
{
bmp = new Paloma.TargaImage(str).Image; //try as tga
}
catch (Exception)
{
return null; //bad tga
}
}
}
if (bmp != null)
{
//image loaded into bitmap
bool premultiplied = false;
var data = bmp.LockBits(new System.Drawing.Rectangle(0, 0, bmp.Width, bmp.Height), System.Drawing.Imaging.ImageLockMode.ReadOnly, System.Drawing.Imaging.PixelFormat.Format32bppArgb);
var bytes = new byte[data.Height * data.Stride];
// copy the bytes from bitmap to array
Marshal.Copy(data.Scan0, bytes, 0, bytes.Length);
for (int i = 0; i < bytes.Length; i += 4)
{ //flip red and blue and premultiply alpha
if (bytes[i] > 0xFD && bytes[i + 1] < 3 && bytes[i + 2] > 0xFD)
bytes[i + 3] = 0;
byte temp = bytes[i + 2];
float a = (premultiplied) ? 1 : (bytes[i + 3] / 255f);
bytes[i + 2] = (byte)(bytes[i] * a);
bytes[i + 1] = (byte)(bytes[i + 1] * a);
bytes[i] = (byte)(temp * a);
}
var tex = new Texture2D(gd, data.Width, data.Height);
tex.SetData<byte>(bytes);
return tex;
} else
{
try
{
var tex = Texture2D.FromStream(gd, str);
//ManualTextureMaskSingleThreaded(ref tex, MASK_COLORS.ToArray());
return tex;
}
catch (Exception e)
{
Console.WriteLine("image load error: " + e.ToString());
return new Texture2D(gd, 1, 1);
}
}
}
*/
public static Texture2D FromStream(GraphicsDevice gd, Stream str)
{
//if (!UseSoftLoad)
//{
//attempt monogame load of image
var magic = (str.ReadByte() | (str.ReadByte() << 8));
str.Seek(0, SeekOrigin.Begin);
magic += 0;
if (magic == 0x4D42)
{
try
{
//it's a bitmap.
var tex = Texture2D.FromStream(gd, str);
ManualTextureMaskSingleThreaded(ref tex, MASK_COLORS.ToArray());
return tex;
}
catch (Exception)
{
return null; //bad bitmap :(
}
}
else
{
//test for targa
str.Seek(-18, SeekOrigin.End);
byte[] sig = new byte[16];
str.Read(sig, 0, 16);
str.Seek(0, SeekOrigin.Begin);
if (ASCIIEncoding.Default.GetString(sig) == "TRUEVISION-XFILE")
{
try
{
var tga = new TargaImagePCL.TargaImage(str);
var tex = new Texture2D(gd, tga.Image.Width, tga.Image.Height);
tex.SetData(tga.Image.ToBGRA(true));
return tex;
}
catch (Exception)
{
return null; //bad tga
}
} else
{
//anything else
try
{
var tex = Texture2D.FromStream(gd, str);
return tex;
}
catch (Exception e)
{
Console.WriteLine("error: " + e.ToString());
return new Texture2D(gd, 1, 1);
}
}
}
}
