public static Texture LoadStream(Stream bitmapStream, bool isTransparent)
{
BitmapLoadData loadData = BeginLoadBitmap(bitmapStream, isTransparent);
Texture ret = LoadBitmap(loadData);
EndLoadBitmap(loadData);
return(ret);
}
unsafe public static Texture LoadBitmap(BitmapLoadData loadData)
{
IBitmapImage bitmap = loadData.Bitmap;
bool isTransparent = loadData.IsTransparent;
Size size;
bitmap.GetSize(out size);
RECT rect = new RECT(0, 0, size.Width, size.Height);
uint glFormat = gl.GL_RGB;
uint glType = gl.GL_UNSIGNED_SHORT_5_6_5;
if (isTransparent)
{
glFormat = gl.GL_RGBA;
glType = gl.GL_UNSIGNED_BYTE;
}
Texture ret = new Texture();
uint tex;
gl.GenTextures(1, &tex);
ret.myName = tex;
gl.BindTexture(gl.GL_TEXTURE_2D, ret.myName);
gl.TexImage2D(gl.GL_TEXTURE_2D, 0, glFormat, size.Width, size.Height, 0, glFormat, glType, loadData.Data.Scan0);
gl.TexParameteri(gl.GL_TEXTURE_2D, gl.GL_TEXTURE_MIN_FILTER, gl.GL_LINEAR);
gl.TexParameteri(gl.GL_TEXTURE_2D, gl.GL_TEXTURE_MAG_FILTER, gl.GL_LINEAR);
gl.TexParameteri(gl.GL_TEXTURE_2D, gl.GL_TEXTURE_WRAP_S, gl.GL_CLAMP_TO_EDGE);
gl.TexParameteri(gl.GL_TEXTURE_2D, gl.GL_TEXTURE_WRAP_T, gl.GL_CLAMP_TO_EDGE);
ret.myWidth = loadData.Width;
ret.myHeight = size.Height;
ret.myIsTransparent = isTransparent;
return(ret);
}
public static unsafe BitmapLoadData BeginLoadBitmap(Stream bitmapStream, bool isTransparent)
{
// .NET CF does NOT support transparent images. Need to use the COM IImageFactory to create images with alpha.
if (myImagingFactory == null)
myImagingFactory = (IImagingFactory)Activator.CreateInstance(Type.GetTypeFromCLSID(new Guid("327ABDA8-072B-11D3-9D7B-0000F81EF32E")));
int bytesLength;
byte[] bytes;
MemoryStream memStream = bitmapStream as MemoryStream;
if (memStream != null)
{
bytesLength = (int)memStream.Length;
bytes = memStream.GetBuffer();
}
else
{
bytesLength = (int)bitmapStream.Length;
bytes = new byte[bytesLength];
bitmapStream.Read(bytes, 0, bytesLength);
}
IImage image;
ImageInfo info;
uint hresult = myImagingFactory.CreateImageFromBuffer(bytes, (uint)bytesLength, BufferDisposalFlag.BufferDisposalFlagNone, out image);
image.GetImageInfo(out info);
int resizedWidth = (int)info.Width;
int resizedHeight = (int)info.Height;
resizedWidth = Texture.GetValidTextureDimensionFromSize(resizedWidth);
resizedHeight = Texture.GetValidTextureDimensionFromSize(resizedHeight);
int resizedDim = Math.Max(resizedWidth, resizedHeight);
if (resizedDim == (int)info.Width && resizedDim == (int)info.Height)
{
resizedWidth = 0;
resizedHeight = 0;
}
else
{
resizedWidth = resizedDim;
resizedHeight = resizedDim;
}
IBitmapImage bitmap;
myImagingFactory.CreateBitmapFromImage(image, (uint)resizedWidth, (uint)resizedHeight, PixelFormatID.PixelFormatDontCare, InterpolationHint.InterpolationHintDefault, out bitmap);
Marshal.FinalReleaseComObject(image);
Size size;
bitmap.GetSize(out size);
RECT rect = new RECT(0, 0, size.Width, size.Height);
BitmapImageData data;
if (isTransparent)
{
bitmap.LockBits(ref rect, ImageLockMode.ImageLockModeWrite | ImageLockMode.ImageLockModeRead, PixelFormatID.PixelFormat32bppARGB, out data);
for (int y = 0; y < data.Height; y++)
{
for (int x = 0; x < data.Stride; x += 4)
{
byte* bp = (byte*)data.Scan0 + data.Stride * y + x;
byte temp = bp[0];
bp[0] = bp[2];
bp[2] = temp;
}
}
}
else
{
bitmap.LockBits(ref rect, ImageLockMode.ImageLockModeRead, PixelFormatID.PixelFormat16bppRGB565, out data);
}
BitmapLoadData ret = new BitmapLoadData();
ret.Data = data;
ret.Bitmap = bitmap;
ret.Width = (int)info.Width;
ret.Height = (int)info.Height;
ret.IsTransparent = isTransparent;
return ret;
}
public static unsafe Texture LoadBitmap(BitmapLoadData loadData)
{
IBitmapImage bitmap = loadData.Bitmap;
bool isTransparent = loadData.IsTransparent;
Size size;
bitmap.GetSize(out size);
RECT rect = new RECT(0, 0, size.Width, size.Height);
uint glFormat = gl.GL_RGB;
uint glType = gl.GL_UNSIGNED_SHORT_5_6_5;
if (isTransparent)
{
glFormat = gl.GL_RGBA;
glType = gl.GL_UNSIGNED_BYTE;
}
Texture ret = new Texture();
uint tex;
gl.GenTextures(1, &tex);
ret.myName = tex;
gl.BindTexture(gl.GL_TEXTURE_2D, ret.myName);
gl.TexImage2D(gl.GL_TEXTURE_2D, 0, glFormat, size.Width, size.Height, 0, glFormat, glType, loadData.Data.Scan0);
gl.TexParameteri(gl.GL_TEXTURE_2D, gl.GL_TEXTURE_MIN_FILTER, gl.GL_LINEAR);
gl.TexParameteri(gl.GL_TEXTURE_2D, gl.GL_TEXTURE_MAG_FILTER, gl.GL_LINEAR);
gl.TexParameteri(gl.GL_TEXTURE_2D, gl.GL_TEXTURE_WRAP_S, gl.GL_CLAMP_TO_EDGE);
gl.TexParameteri(gl.GL_TEXTURE_2D, gl.GL_TEXTURE_WRAP_T, gl.GL_CLAMP_TO_EDGE);
ret.myWidth = loadData.Width;
ret.myHeight = size.Height;
ret.myIsTransparent = isTransparent;
return ret;
}
public static void EndLoadBitmap(BitmapLoadData loadData)
{
loadData.Bitmap.UnlockBits(ref loadData.Data);
Marshal.FinalReleaseComObject(loadData.Bitmap);
}
unsafe public static BitmapLoadData BeginLoadBitmap(Stream bitmapStream, bool isTransparent)
{
// .NET CF does NOT support transparent images. Need to use the COM IImageFactory to create images with alpha.
if (myImagingFactory == null)
{
myImagingFactory = (IImagingFactory)Activator.CreateInstance(Type.GetTypeFromCLSID(new Guid("327ABDA8-072B-11D3-9D7B-0000F81EF32E")));
}
int bytesLength;
byte[] bytes;
MemoryStream memStream = bitmapStream as MemoryStream;
if (memStream != null)
{
bytesLength = (int)memStream.Length;
bytes = memStream.GetBuffer();
}
else
{
bytesLength = (int)bitmapStream.Length;
bytes = new byte[bytesLength];
bitmapStream.Read(bytes, 0, bytesLength);
}
IImage image;
ImageInfo info;
uint hresult = myImagingFactory.CreateImageFromBuffer(bytes, (uint)bytesLength, BufferDisposalFlag.BufferDisposalFlagNone, out image);
image.GetImageInfo(out info);
int resizedWidth = (int)info.Width;
int resizedHeight = (int)info.Height;
resizedWidth = Texture.GetValidTextureDimensionFromSize(resizedWidth);
resizedHeight = Texture.GetValidTextureDimensionFromSize(resizedHeight);
int resizedDim = Math.Max(resizedWidth, resizedHeight);
if (resizedDim == (int)info.Width && resizedDim == (int)info.Height)
{
resizedWidth = 0;
resizedHeight = 0;
}
else
{
resizedWidth = resizedDim;
resizedHeight = resizedDim;
}
IBitmapImage bitmap;
myImagingFactory.CreateBitmapFromImage(image, (uint)resizedWidth, (uint)resizedHeight, PixelFormatID.PixelFormatDontCare, InterpolationHint.InterpolationHintDefault, out bitmap);
Marshal.FinalReleaseComObject(image);
Size size;
bitmap.GetSize(out size);
RECT rect = new RECT(0, 0, size.Width, size.Height);
BitmapImageData data;
if (isTransparent)
{
bitmap.LockBits(ref rect, ImageLockMode.ImageLockModeWrite | ImageLockMode.ImageLockModeRead, PixelFormatID.PixelFormat32bppARGB, out data);
for (int y = 0; y < data.Height; y++)
{
for (int x = 0; x < data.Stride; x += 4)
{
byte *bp = (byte *)data.Scan0 + data.Stride * y + x;
byte temp = bp[0];
bp[0] = bp[2];
bp[2] = temp;
}
}
}
else
{
bitmap.LockBits(ref rect, ImageLockMode.ImageLockModeRead, PixelFormatID.PixelFormat16bppRGB565, out data);
}
BitmapLoadData ret = new BitmapLoadData();
ret.Data = data;
ret.Bitmap = bitmap;
ret.Width = (int)info.Width;
ret.Height = (int)info.Height;
ret.IsTransparent = isTransparent;
return(ret);
}
public static void EndLoadBitmap(BitmapLoadData loadData)
{
loadData.Bitmap.UnlockBits(ref loadData.Data);
Marshal.FinalReleaseComObject(loadData.Bitmap);
}