public static Bitmap IBitmapImageToBitmap(IBitmapImage imageBitmap)
{
if (imageBitmap == null)
throw new ArgumentNullException();
Size size;
imageBitmap.GetSize(out size);
Rectangle rect = new Rectangle(0, 0, size.Width, size.Height);
BitmapData lockedBitmapData = new BitmapData();
imageBitmap.LockBits(ref rect, 0U, PixelFormatID.PixelFormat16bppRGB565, out lockedBitmapData);
Bitmap bitmap = new Bitmap((int)lockedBitmapData.Width, (int)lockedBitmapData.Height,
PixelFormat.Format16bppRgb565);
System.Drawing.Imaging.BitmapData bitmapdata = bitmap.LockBits(
new Rectangle(0, 0, bitmap.Width, bitmap.Height), ImageLockMode.WriteOnly,
PixelFormat.Format16bppRgb565);
ImageHelpers.CopyMemory(bitmapdata.Scan0, lockedBitmapData.Scan0, (int)(lockedBitmapData.Height * lockedBitmapData.Stride));
imageBitmap.UnlockBits(ref lockedBitmapData);
bitmap.UnlockBits(bitmapdata);
return bitmap;
}
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);
}
static public Bitmap IBitmapImageToBitmap(IBitmapImage imageBitmap)
{
if (imageBitmap == null)
{
throw new ArgumentNullException();
}
Size szRotated;
imageBitmap.GetSize(out szRotated);
RECT rcLock = new RECT(0, 0, szRotated.Width, szRotated.Height);
BitmapDataInternal bdi = new BitmapDataInternal();
imageBitmap.LockBits(rcLock, 0, PixelFormat.Format24bppRgb, ref bdi);
Bitmap bitmap = new Bitmap(bdi.Width, bdi.Height, bdi.PixelFormat);
System.Drawing.Imaging.BitmapData bd = bitmap.LockBits(new Rectangle(0, 0, bitmap.Width, bitmap.Height), ImageLockMode.WriteOnly, bdi.PixelFormat);
CopyMemory(bd.Scan0, bdi.Scan0, bdi.Height * bdi.Stride);
imageBitmap.UnlockBits(ref bdi);
bitmap.UnlockBits(bd);
return(bitmap);
}