// TODO: Test this method:
public override void WritePixels(PixelBuffer buffer, Point startPoint)
{
Direct3D.Surface surf = mTexture.Value.GetSurfaceLevel(0);
Rectangle updateRect = new Rectangle(startPoint, buffer.Size);
int pitch;
int pixelPitch = mDisplay.GetPixelPitch(surf.Description.Format);
PixelFormat pixelFormat = mDisplay.GetPixelFormat(surf.Description.Format);
surf.Dispose();
GraphicsStream stm = mTexture.Value.LockRectangle(0, Interop.Convert(updateRect), 0, out pitch);
if (buffer.PixelFormat != pixelFormat)
{
buffer = buffer.ConvertTo(pixelFormat);
}
unsafe
{
for (int i = updateRect.Top; i < updateRect.Bottom; i++)
{
int startIndex = buffer.GetPixelIndex(0, i);
int rowStride = buffer.RowStride;
IntPtr dest = (IntPtr)((byte *)stm.InternalData + i * pitch + updateRect.Left * pixelPitch);
Marshal.Copy(buffer.Data, startIndex, dest, rowStride);
}
}
mTexture.Value.UnlockRectangle(0);
}
public override void WritePixels(PixelBuffer buffer)
{
if (buffer.PixelFormat != PixelFormat.RGBA8888 ||
buffer.Size.Equals(mTextureSize) == false)
{
buffer = buffer.ConvertTo(PixelFormat.RGBA8888, mTextureSize);
}
unsafe
{
fixed(byte *ptr = buffer.Data)
{
// Typical Texture Generation Using Data From The Bitmap
GL.BindTexture(TextureTarget.Texture2D, mTextureID);
GL.TexImage2D(TextureTarget.Texture2D, 0, PixelInternalFormat.Rgba,
mTextureSize.Width, mTextureSize.Height, 0, OTKPixelFormat.Rgba, //, GL.GL_BGRA,
PixelType.UnsignedByte, (IntPtr)ptr);
GL.TexParameter(TextureTarget.Texture2D,
TextureParameterName.TextureMinFilter, (int)TextureMinFilter.Linear);
GL.TexParameter(TextureTarget.Texture2D,
TextureParameterName.TextureMagFilter, (int)TextureMagFilter.Linear);
}
}
}
public void ConvertFormat()
{
var result = src.ConvertTo(PixelFormat.RGBA8888);
Assert.IsTrue(PixelBuffer.PixelsEqual(result, src));
result = src.ConvertTo(src.PixelFormat);
Assert.IsTrue(PixelBuffer.PixelsEqual(result, src));
}
public override void WritePixels(PixelBuffer buffer)
{
BitmapData data = mImage.LockBits(new Rectangle(Point.Empty, Interop.Convert(SurfaceSize)),
ImageLockMode.WriteOnly, System.Drawing.Imaging.PixelFormat.Format32bppArgb);
if (buffer.PixelFormat != PixelFormat.BGRA8888)
{
buffer = buffer.ConvertTo(PixelFormat.BGRA8888);
}
Marshal.Copy(buffer.Data, 0, data.Scan0, buffer.Data.Length);
mImage.UnlockBits(data);
}
// TODO: Test this method:
public override void WritePixels(PixelBuffer buffer, Point startPoint)
{
Direct3D.Surface surf = mTexture.Value.GetSurfaceLevel(0);
Rectangle updateRect = new Rectangle(startPoint, buffer.Size);
int pixelPitch = mDisplay.GetPixelPitch(surf.Description.Format);
PixelFormat pixelFormat = mDisplay.GetPixelFormat(surf.Description.Format);
surf.Dispose();
// This should probably only lock the region of the surface we intend to update.
// However, as is usually the case with DirectX, doing so gives weird errors
// with no real explanation as to what is wrong.
DataRectangle stm = mTexture.Value.LockRectangle
(0, LockFlags.None);
if (buffer.PixelFormat != pixelFormat)
{
buffer = buffer.ConvertTo(pixelFormat);
}
unsafe
{
for (int i = 0; i < buffer.Height; i++)
{
int startIndex = buffer.GetPixelIndex(0, i);
int rowStride = buffer.RowStride;
IntPtr dest = (IntPtr)
((byte *)stm.Data.DataPointer + (i + updateRect.Top) * stm.Pitch
+ updateRect.Left * pixelPitch);
Marshal.Copy(buffer.Data, startIndex, dest, rowStride);
}
}
mTexture.Value.UnlockRectangle(0);
}
public override void WritePixels(PixelBuffer buffer)
{
Direct3D.Surface surf = mTexture.Value.GetSurfaceLevel(0);
if (surf.Description.Pool == Pool.Default)
{
throw new AgateLib.AgateException(
"Cannot write to FrameBuffer surface in Direct3D.");
}
int pixelPitch = mDisplay.GetPixelPitch(surf.Description.Format);
PixelFormat pixelFormat = mDisplay.GetPixelFormat(surf.Description.Format);
surf.Dispose();
DataRectangle stm = mTexture.Value.LockRectangle(0, 0);
if (buffer.PixelFormat != pixelFormat)
{
buffer = buffer.ConvertTo(pixelFormat);
}
unsafe
{
for (int i = 0; i < SurfaceHeight; i++)
{
int startIndex = buffer.GetPixelIndex(0, i);
int rowStride = buffer.RowStride;
IntPtr dest = (IntPtr)((byte *)stm.Data.DataPointer + i * stm.Pitch);
Marshal.Copy(buffer.Data, startIndex, dest, rowStride);
}
}
mTexture.Value.UnlockRectangle(0);
}
/// <summary>
/// Saves a pixel buffer to an image file using a System.Drawing.Bitmap object.
/// </summary>
/// <param name="buffer"></param>
/// <param name="filename"></param>
/// <param name="format"></param>
public static void SavePixelBuffer(PixelBuffer buffer, string filename, ImageFileFormat format)
{
Bitmap bmp = new Bitmap(buffer.Width, buffer.Height);
System.Drawing.Imaging.BitmapData data = bmp.LockBits(
new Rectangle(Point.Empty, Interop.Convert(buffer.Size)),
System.Drawing.Imaging.ImageLockMode.WriteOnly,
System.Drawing.Imaging.PixelFormat.Format32bppArgb);
if (buffer.PixelFormat != PixelFormat.BGRA8888)
{
buffer = buffer.ConvertTo(PixelFormat.BGRA8888);
}
System.Runtime.InteropServices.Marshal.Copy(
buffer.Data, 0, data.Scan0, buffer.Data.Length);
bmp.UnlockBits(data);
switch (format)
{
case ImageFileFormat.Bmp:
bmp.Save(filename, System.Drawing.Imaging.ImageFormat.Bmp);
break;
case ImageFileFormat.Jpg:
bmp.Save(filename, System.Drawing.Imaging.ImageFormat.Jpeg);
break;
case ImageFileFormat.Png:
bmp.Save(filename, System.Drawing.Imaging.ImageFormat.Png);
break;
}
bmp.Dispose();
}
