public static bool ConvertImageToImageBuffer(ImageBuffer destImage, int width, int height, Rgba32[] pixelArray)
{
if (pixelArray != null)
{
destImage.Allocate(width, height, width * 4, 32);
if (destImage.GetRecieveBlender() == null)
{
destImage.SetRecieveBlender(new BlenderBGRA());
}
int sourceIndex = 0;
byte[] destBuffer = destImage.GetBuffer(out _);
for (int y = 0; y < destImage.Height; y++)
{
int destIndex = destImage.GetBufferOffsetXY(0, destImage.Height - 1 - y);
for (int x = 0; x < destImage.Width; x++)
{
destBuffer[destIndex++] = pixelArray[sourceIndex].B;
destBuffer[destIndex++] = pixelArray[sourceIndex].G;
destBuffer[destIndex++] = pixelArray[sourceIndex].R;
destBuffer[destIndex++] = pixelArray[sourceIndex].A;
sourceIndex++;
}
}
return(true);
}
return(false);
}
/// <summary>
/// This will create a new ImageBuffer that references the same memory as the image that you took the sub image from.
/// It will modify the original main image when you draw to it.
/// </summary>
/// <param name="imageContainingSubImage"></param>
/// <param name="subImageBounds"></param>
/// <returns></returns>
public static ImageBuffer NewSubImageReference(IImageByte imageContainingSubImage, RectangleDouble subImageBounds)
{
ImageBuffer subImage = new ImageBuffer();
if (subImageBounds.Left < 0 || subImageBounds.Bottom < 0 || subImageBounds.Right > imageContainingSubImage.Width || subImageBounds.Top > imageContainingSubImage.Height ||
subImageBounds.Left >= subImageBounds.Right || subImageBounds.Bottom >= subImageBounds.Top)
{
throw new ArgumentException("The subImageBounds must be on the image and valid.");
}
int left = Math.Max(0, (int)Math.Floor(subImageBounds.Left));
int bottom = Math.Max(0, (int)Math.Floor(subImageBounds.Bottom));
int width = Math.Min(imageContainingSubImage.Width - left, (int)subImageBounds.Width);
int height = Math.Min(imageContainingSubImage.Height - bottom, (int)subImageBounds.Height);
int bufferOffsetToFirstPixel = imageContainingSubImage.GetBufferOffsetXY(left, bottom);
subImage.AttachBuffer(imageContainingSubImage.GetBuffer(), bufferOffsetToFirstPixel, width, height, imageContainingSubImage.StrideInBytes(), imageContainingSubImage.BitDepth, imageContainingSubImage.GetBytesBetweenPixelsInclusive());
subImage.SetRecieveBlender(imageContainingSubImage.GetRecieveBlender());
return(subImage);
}
public void LoadImage(string path, ImageBuffer destImage)
{
ImageBuffer cachedImage = null;
if (!cachedImages.TryGetValue(path, out cachedImage))
{
using (var imageStream = OpenSteam(path))
{
var bitmap = new Bitmap(imageStream);
cachedImage = new ImageBuffer();
ImageIOWindowsPlugin.ConvertBitmapToImage(cachedImage, bitmap);
}
if (cachedImage.Width < 200 && cachedImage.Height < 200)
{
// only cache relatively small images
cachedImages.Add(path, cachedImage);
}
}
destImage.Allocate(cachedImage.Width, cachedImage.Height, cachedImage.StrideInBytesAbs(), cachedImage.BitDepth);
destImage.SetRecieveBlender(cachedImage.GetRecieveBlender());
destImage.CopyFrom(cachedImage);
}
private static void Copy8BitDataToImage(ImageBuffer destImage, Bitmap bitmap)
{
destImage.Allocate(bitmap.Width, bitmap.Height, bitmap.Width * 4, 32);
if (destImage.GetRecieveBlender() == null)
{
destImage.SetRecieveBlender(new BlenderBGRA());
}
BitmapData bitmapData = bitmap.LockBits(new Rectangle(0, 0, bitmap.Width, bitmap.Height), System.Drawing.Imaging.ImageLockMode.ReadWrite, bitmap.PixelFormat);
int sourceIndex = 0;
int destIndex = 0;
unsafe
{
int offset;
byte[] destBuffer = destImage.GetBuffer(out offset);
byte * pSourceBuffer = (byte *)bitmapData.Scan0;
System.Drawing.Color[] colors = bitmap.Palette.Entries;
for (int y = 0; y < destImage.Height; y++)
{
sourceIndex = y * bitmapData.Stride;
destIndex = destImage.GetBufferOffsetY(destImage.Height - 1 - y);
for (int x = 0; x < destImage.Width; x++)
{
System.Drawing.Color color = colors[pSourceBuffer[sourceIndex++]];
destBuffer[destIndex++] = color.B;
destBuffer[destIndex++] = color.G;
destBuffer[destIndex++] = color.R;
destBuffer[destIndex++] = color.A;
}
}
}
bitmap.UnlockBits(bitmapData);
}
private static bool ConvertBitmapToImage(ImageBuffer destImage, Bitmap m_WidowsBitmap)
{
if (m_WidowsBitmap != null)
{
switch (m_WidowsBitmap.PixelFormat)
{
case System.Drawing.Imaging.PixelFormat.Format32bppArgb:
{
destImage.Allocate(m_WidowsBitmap.Width, m_WidowsBitmap.Height, m_WidowsBitmap.Width * 4, 32);
if (destImage.GetRecieveBlender() == null)
{
destImage.SetRecieveBlender(new BlenderBGRA());
}
BitmapData bitmapData = m_WidowsBitmap.LockBits(new Rectangle(0, 0, m_WidowsBitmap.Width, m_WidowsBitmap.Height), System.Drawing.Imaging.ImageLockMode.ReadWrite, m_WidowsBitmap.PixelFormat);
int sourceIndex = 0;
int destIndex = 0;
unsafe
{
int offset;
byte[] destBuffer = destImage.GetBuffer(out offset);
byte* pSourceBuffer = (byte*)bitmapData.Scan0;
for (int y = 0; y < destImage.Height; y++)
{
destIndex = destImage.GetBufferOffsetXY(0, destImage.Height - 1 - y);
for (int x = 0; x < destImage.Width; x++)
{
#if true
destBuffer[destIndex++] = pSourceBuffer[sourceIndex++];
destBuffer[destIndex++] = pSourceBuffer[sourceIndex++];
destBuffer[destIndex++] = pSourceBuffer[sourceIndex++];
destBuffer[destIndex++] = pSourceBuffer[sourceIndex++];
#else
RGBA_Bytes notPreMultiplied = new RGBA_Bytes(pSourceBuffer[sourceIndex + 0], pSourceBuffer[sourceIndex + 1], pSourceBuffer[sourceIndex + 2], pSourceBuffer[sourceIndex + 3]);
sourceIndex += 4;
RGBA_Bytes preMultiplied = notPreMultiplied.GetAsRGBA_Floats().premultiply().GetAsRGBA_Bytes();
destBuffer[destIndex++] = preMultiplied.blue;
destBuffer[destIndex++] = preMultiplied.green;
destBuffer[destIndex++] = preMultiplied.red;
destBuffer[destIndex++] = preMultiplied.alpha;
#endif
}
}
}
m_WidowsBitmap.UnlockBits(bitmapData);
return true;
}
case System.Drawing.Imaging.PixelFormat.Format24bppRgb:
{
destImage.Allocate(m_WidowsBitmap.Width, m_WidowsBitmap.Height, m_WidowsBitmap.Width * 4, 32);
BitmapData bitmapData = m_WidowsBitmap.LockBits(new Rectangle(0, 0, m_WidowsBitmap.Width, m_WidowsBitmap.Height), System.Drawing.Imaging.ImageLockMode.ReadWrite, m_WidowsBitmap.PixelFormat);
int sourceIndex = 0;
int destIndex = 0;
unsafe
{
int offset;
byte[] destBuffer = destImage.GetBuffer(out offset);
byte* pSourceBuffer = (byte*)bitmapData.Scan0;
for (int y = 0; y < destImage.Height; y++)
{
sourceIndex = y * bitmapData.Stride;
destIndex = destImage.GetBufferOffsetXY(0, destImage.Height - 1 - y);
for (int x = 0; x < destImage.Width; x++)
{
destBuffer[destIndex++] = pSourceBuffer[sourceIndex++];
destBuffer[destIndex++] = pSourceBuffer[sourceIndex++];
destBuffer[destIndex++] = pSourceBuffer[sourceIndex++];
destBuffer[destIndex++] = 255;
}
}
}
m_WidowsBitmap.UnlockBits(bitmapData);
return true;
}
case System.Drawing.Imaging.PixelFormat.Format8bppIndexed:
{
Copy8BitDataToImage(destImage, m_WidowsBitmap);
return true;
}
default:
throw new System.NotImplementedException();
}
}
return false;
}
private static int LowLevelReadTGABitsFromBuffer(ImageBuffer imageToReadTo, byte[] wholeFileBuffer, int DestBitDepth)
{
STargaHeader TargaHeader = new STargaHeader();
int FileReadOffset;
if (!ReadTGAInfo(wholeFileBuffer, out TargaHeader))
{
return(0);
}
// if the frame we are loading is different then the one we have allocated
// or we don't have any bits allocated
if ((imageToReadTo.Width * imageToReadTo.Height) != (TargaHeader.Width * TargaHeader.Height))
{
imageToReadTo.Allocate(TargaHeader.Width, TargaHeader.Height, TargaHeader.Width * DestBitDepth / 8, DestBitDepth);
}
// work out the line width
switch (imageToReadTo.BitDepth)
{
case 24:
TGABytesPerLine = imageToReadTo.Width * 3;
if (imageToReadTo.GetRecieveBlender() == null)
{
imageToReadTo.SetRecieveBlender(new BlenderBGR());
}
break;
case 32:
TGABytesPerLine = imageToReadTo.Width * 4;
if (imageToReadTo.GetRecieveBlender() == null)
{
imageToReadTo.SetRecieveBlender(new BlenderBGRA());
}
break;
default:
throw new System.Exception("Bad bit depth.");
}
if (TGABytesPerLine > 0)
{
byte[] BufferToDecompressTo = null;
FileReadOffset = TargaHeaderSize + TargaHeader.PostHeaderSkip;
if (TargaHeader.ImageType == 10) // 10 is RLE compressed
{
BufferToDecompressTo = new byte[TGABytesPerLine * 2];
}
// read all the lines *
for (int i = 0; i < imageToReadTo.Height; i++)
{
byte[] BufferToCopyFrom;
int CopyOffset = 0;
int CurReadLine;
// bit 5 tells us if the image is stored top to bottom or bottom to top
if ((TargaHeader.Descriptor & 0x20) != 0)
{
// bottom to top
CurReadLine = imageToReadTo.Height - i - 1;
}
else
{
// top to bottom
CurReadLine = i;
}
if (TargaHeader.ImageType == 10) // 10 is RLE compressed
{
FileReadOffset = Decompress(BufferToDecompressTo, wholeFileBuffer, FileReadOffset, imageToReadTo.Width, TargaHeader.BPP, CurReadLine);
BufferToCopyFrom = BufferToDecompressTo;
}
else
{
BufferToCopyFrom = wholeFileBuffer;
CopyOffset = FileReadOffset;
}
int bufferOffset;
byte[] imageBuffer = imageToReadTo.GetBuffer(out bufferOffset);
switch (imageToReadTo.BitDepth)
{
case 8:
switch (TargaHeader.BPP)
{
case 24:
Do24To8Bit(imageBuffer, BufferToCopyFrom, CopyOffset, imageToReadTo.Width, CurReadLine);
break;
case 32:
Do32To8Bit(imageBuffer, BufferToCopyFrom, CopyOffset, imageToReadTo.Width, CurReadLine);
break;
}
break;
case 24:
switch (TargaHeader.BPP)
{
case 24:
Do24To24Bit(imageBuffer, BufferToCopyFrom, CopyOffset, imageToReadTo.Width, CurReadLine);
break;
case 32:
Do32To24Bit(imageBuffer, BufferToCopyFrom, CopyOffset, imageToReadTo.Width, CurReadLine);
break;
}
break;
case 32:
switch (TargaHeader.BPP)
{
case 24:
Do24To32Bit(imageBuffer, BufferToCopyFrom, CopyOffset, imageToReadTo.Width, CurReadLine);
break;
case 32:
Do32To32Bit(imageBuffer, BufferToCopyFrom, CopyOffset, imageToReadTo.Width, CurReadLine);
break;
}
break;
default:
throw new System.Exception("Bad bit depth");
}
if (TargaHeader.ImageType != 10) // 10 is RLE compressed
{
FileReadOffset += TGABytesPerLine;
}
}
}
return(TargaHeader.Width);
}
public static void DoAllWhite(ImageBuffer result, ImageBuffer imageA)
{
if (imageA.BitDepth != result.BitDepth)
{
throw new NotImplementedException("All the images have to be the same bit depth.");
}
if (imageA.Width != result.Width || imageA.Height != result.Height)
{
throw new Exception("All images must be the same size.");
}
switch (imageA.BitDepth)
{
case 32:
{
int height = imageA.Height;
int width = imageA.Width;
byte[] resultBuffer = result.GetBuffer();
byte[] imageABuffer = imageA.GetBuffer();
for (int y = 0; y < height; y++)
{
int offsetA = imageA.GetBufferOffsetY(y);
int offsetResult = result.GetBufferOffsetY(y);
for (int x = 0; x < width; x++)
{
int alpha = imageABuffer[offsetA+3];
if (alpha > 0)
{
resultBuffer[offsetResult++] = (byte)255; offsetA++;
resultBuffer[offsetResult++] = (byte)255; offsetA++;
resultBuffer[offsetResult++] = (byte)255; offsetA++;
resultBuffer[offsetResult++] = (byte)alpha; offsetA++;
}
else
{
resultBuffer[offsetResult++] = (byte)0; offsetA++;
resultBuffer[offsetResult++] = (byte)0; offsetA++;
resultBuffer[offsetResult++] = (byte)0; offsetA++;
resultBuffer[offsetResult++] = (byte)0; offsetA++;
}
}
}
result.SetRecieveBlender(new BlenderPreMultBGRA());
}
break;
default:
throw new NotImplementedException();
}
}
private static ImageBuffer BuildImageFromMeshGroups(List<MeshGroup> loadedMeshGroups, string stlHashCode, Point2D size)
{
if (loadedMeshGroups != null
&& loadedMeshGroups.Count > 0
&& loadedMeshGroups[0].Meshes != null
&& loadedMeshGroups[0].Meshes[0] != null)
{
ImageBuffer tempImage = new ImageBuffer(size.x, size.y);
Graphics2D partGraphics2D = tempImage.NewGraphics2D();
partGraphics2D.Clear(new RGBA_Bytes());
AxisAlignedBoundingBox aabb = loadedMeshGroups[0].GetAxisAlignedBoundingBox();
for (int meshGroupIndex = 1; meshGroupIndex < loadedMeshGroups.Count; meshGroupIndex++)
{
aabb = AxisAlignedBoundingBox.Union(aabb, loadedMeshGroups[meshGroupIndex].GetAxisAlignedBoundingBox());
}
double maxSize = Math.Max(aabb.XSize, aabb.YSize);
double scale = size.x / (maxSize * 1.2);
RectangleDouble bounds2D = new RectangleDouble(aabb.minXYZ.x, aabb.minXYZ.y, aabb.maxXYZ.x, aabb.maxXYZ.y);
foreach (MeshGroup meshGroup in loadedMeshGroups)
{
foreach (Mesh loadedMesh in meshGroup.Meshes)
{
PolygonMesh.Rendering.OrthographicZProjection.DrawTo(partGraphics2D, loadedMesh,
new Vector2((size.x / scale - bounds2D.Width) / 2 - bounds2D.Left,
(size.y / scale - bounds2D.Height) / 2 - bounds2D.Bottom),
scale, RGBA_Bytes.White);
}
}
if (File.Exists("RunUnitTests.txt"))
{
foreach (Mesh loadedMesh in loadedMeshGroups[0].Meshes)
{
List<MeshEdge> nonManifoldEdges = loadedMesh.GetNonManifoldEdges();
if (nonManifoldEdges.Count > 0)
{
partGraphics2D.Circle(size.x / 4, size.x / 4, size.x / 8, RGBA_Bytes.Red);
}
}
}
tempImage.SetRecieveBlender(new BlenderPreMultBGRA());
AllWhite.DoAllWhite(tempImage);
// and give it back
return tempImage;
}
return null;
}
private static unsafe int LowLevelReadTGABitsFromBuffer(ImageBuffer imageToReadTo, byte[] wholeFileBuffer, int DestBitDepth)
{
STargaHeader TargaHeader = new STargaHeader();
int FileReadOffset;
if (!ReadTGAInfo(wholeFileBuffer, out TargaHeader))
{
return 0;
}
// if the frame we are loading is different then the one we have allocated
// or we don't have any bits allocated
if ((imageToReadTo.Width * imageToReadTo.Height) != (TargaHeader.Width * TargaHeader.Height))
{
imageToReadTo.Allocate(TargaHeader.Width, TargaHeader.Height, TargaHeader.Width * DestBitDepth / 8, DestBitDepth);
}
// work out the line width
switch (imageToReadTo.BitDepth)
{
case 24:
TGABytesPerLine = imageToReadTo.Width * 3;
if (imageToReadTo.GetRecieveBlender() == null)
{
imageToReadTo.SetRecieveBlender(new BlenderBGR());
}
break;
case 32:
TGABytesPerLine = imageToReadTo.Width * 4;
if (imageToReadTo.GetRecieveBlender() == null)
{
imageToReadTo.SetRecieveBlender(new BlenderBGRA());
}
break;
default:
throw new System.Exception("Bad bit depth.");
}
if (TGABytesPerLine > 0)
{
byte[] BufferToDecompressTo = null;
FileReadOffset = TargaHeaderSize + TargaHeader.PostHeaderSkip;
if (TargaHeader.ImageType == 10) // 10 is RLE compressed
{
BufferToDecompressTo = new byte[TGABytesPerLine * 2];
}
// read all the lines *
for (int i = 0; i < imageToReadTo.Height; i++)
{
byte[] BufferToCopyFrom;
int CopyOffset = 0;
int CurReadLine;
// bit 5 tells us if the image is stored top to bottom or bottom to top
if ((TargaHeader.Descriptor & 0x20) != 0)
{
// bottom to top
CurReadLine = imageToReadTo.Height - i - 1;
}
else
{
// top to bottom
CurReadLine = i;
}
if (TargaHeader.ImageType == 10) // 10 is RLE compressed
{
FileReadOffset = Decompress(BufferToDecompressTo, wholeFileBuffer, FileReadOffset, imageToReadTo.Width, TargaHeader.BPP, CurReadLine);
BufferToCopyFrom = BufferToDecompressTo;
}
else
{
BufferToCopyFrom = wholeFileBuffer;
CopyOffset = FileReadOffset;
}
int bufferOffset;
byte[] imageBuffer = imageToReadTo.GetBuffer(out bufferOffset);
switch (imageToReadTo.BitDepth)
{
case 8:
switch (TargaHeader.BPP)
{
case 24:
Do24To8Bit(imageBuffer, BufferToCopyFrom, CopyOffset, imageToReadTo.Width, CurReadLine);
break;
case 32:
Do32To8Bit(imageBuffer, BufferToCopyFrom, CopyOffset, imageToReadTo.Width, CurReadLine);
break;
}
break;
case 24:
switch (TargaHeader.BPP)
{
case 24:
Do24To24Bit(imageBuffer, BufferToCopyFrom, CopyOffset, imageToReadTo.Width, CurReadLine);
break;
case 32:
Do32To24Bit(imageBuffer, BufferToCopyFrom, CopyOffset, imageToReadTo.Width, CurReadLine);
break;
}
break;
case 32:
switch (TargaHeader.BPP)
{
case 24:
Do24To32Bit(imageBuffer, BufferToCopyFrom, CopyOffset, imageToReadTo.Width, CurReadLine);
break;
case 32:
Do32To32Bit(imageBuffer, BufferToCopyFrom, CopyOffset, imageToReadTo.Width, CurReadLine);
break;
}
break;
default:
throw new System.Exception("Bad bit depth");
}
if (TargaHeader.ImageType != 10) // 10 is RLE compressed
{
FileReadOffset += TGABytesPerLine;
}
}
}
return TargaHeader.Width;
}
/// <summary>
/// This will create a new ImageBuffer that references the same memory as the image that you took the sub image from.
/// It will modify the original main image when you draw to it.
/// </summary>
/// <param name="imageContainingSubImage"></param>
/// <param name="subImageBounds"></param>
/// <returns></returns>
public static ImageBuffer NewSubImageReference(IImageByte imageContainingSubImage, RectangleDouble subImageBounds)
{
ImageBuffer subImage = new ImageBuffer();
if (subImageBounds.Left < 0 || subImageBounds.Bottom < 0 || subImageBounds.Right > imageContainingSubImage.Width || subImageBounds.Top > imageContainingSubImage.Height
|| subImageBounds.Left >= subImageBounds.Right || subImageBounds.Bottom >= subImageBounds.Top)
{
throw new ArgumentException("The subImageBounds must be on the image and valid.");
}
int left = Math.Max(0, (int)Math.Floor(subImageBounds.Left));
int bottom = Math.Max(0, (int)Math.Floor(subImageBounds.Bottom));
int width = Math.Min(imageContainingSubImage.Width - left, (int)subImageBounds.Width);
int height = Math.Min(imageContainingSubImage.Height - bottom, (int)subImageBounds.Height);
int bufferOffsetToFirstPixel = imageContainingSubImage.GetBufferOffsetXY(left, bottom);
subImage.AttachBuffer(imageContainingSubImage.GetBuffer(), bufferOffsetToFirstPixel, width, height, imageContainingSubImage.StrideInBytes(), imageContainingSubImage.BitDepth, imageContainingSubImage.GetBytesBetweenPixelsInclusive());
subImage.SetRecieveBlender(imageContainingSubImage.GetRecieveBlender());
return subImage;
}
internal static bool ConvertBitmapToImage(ImageBuffer destImage, Bitmap bitmap)
{
if (bitmap != null)
{
switch (bitmap.PixelFormat)
{
case System.Drawing.Imaging.PixelFormat.Format32bppArgb:
{
destImage.Allocate(bitmap.Width, bitmap.Height, bitmap.Width * 4, 32);
if (destImage.GetRecieveBlender() == null)
{
destImage.SetRecieveBlender(new BlenderBGRA());
}
BitmapData bitmapData = bitmap.LockBits(new Rectangle(0, 0, bitmap.Width, bitmap.Height), System.Drawing.Imaging.ImageLockMode.ReadWrite, bitmap.PixelFormat);
int sourceIndex = 0;
int destIndex = 0;
unsafe
{
int offset;
byte[] destBuffer = destImage.GetBuffer(out offset);
byte * pSourceBuffer = (byte *)bitmapData.Scan0;
for (int y = 0; y < destImage.Height; y++)
{
destIndex = destImage.GetBufferOffsetXY(0, destImage.Height - 1 - y);
for (int x = 0; x < destImage.Width; x++)
{
#if true
destBuffer[destIndex++] = pSourceBuffer[sourceIndex++];
destBuffer[destIndex++] = pSourceBuffer[sourceIndex++];
destBuffer[destIndex++] = pSourceBuffer[sourceIndex++];
destBuffer[destIndex++] = pSourceBuffer[sourceIndex++];
#else
Color notPreMultiplied = new Color(pSourceBuffer[sourceIndex + 0], pSourceBuffer[sourceIndex + 1], pSourceBuffer[sourceIndex + 2], pSourceBuffer[sourceIndex + 3]);
sourceIndex += 4;
Color preMultiplied = notPreMultiplied.ToColorF().premultiply().ToColor();
destBuffer[destIndex++] = preMultiplied.blue;
destBuffer[destIndex++] = preMultiplied.green;
destBuffer[destIndex++] = preMultiplied.red;
destBuffer[destIndex++] = preMultiplied.alpha;
#endif
}
}
}
bitmap.UnlockBits(bitmapData);
return(true);
}
case System.Drawing.Imaging.PixelFormat.Format24bppRgb:
{
destImage.Allocate(bitmap.Width, bitmap.Height, bitmap.Width * 4, 32);
if (destImage.GetRecieveBlender() == null)
{
destImage.SetRecieveBlender(new BlenderBGRA());
}
BitmapData bitmapData = bitmap.LockBits(new Rectangle(0, 0, bitmap.Width, bitmap.Height), System.Drawing.Imaging.ImageLockMode.ReadWrite, bitmap.PixelFormat);
int sourceIndex = 0;
int destIndex = 0;
unsafe
{
int offset;
byte[] destBuffer = destImage.GetBuffer(out offset);
byte * pSourceBuffer = (byte *)bitmapData.Scan0;
for (int y = 0; y < destImage.Height; y++)
{
sourceIndex = y * bitmapData.Stride;
destIndex = destImage.GetBufferOffsetXY(0, destImage.Height - 1 - y);
for (int x = 0; x < destImage.Width; x++)
{
destBuffer[destIndex++] = pSourceBuffer[sourceIndex++];
destBuffer[destIndex++] = pSourceBuffer[sourceIndex++];
destBuffer[destIndex++] = pSourceBuffer[sourceIndex++];
destBuffer[destIndex++] = 255;
}
}
}
bitmap.UnlockBits(bitmapData);
return(true);
}
case System.Drawing.Imaging.PixelFormat.Format8bppIndexed:
{
Copy8BitDataToImage(destImage, bitmap);
return(true);
}
default:
// let this code fall through and return false
break;
}
}
return(false);
}
internal static bool ConvertBitmapToImage(ImageBuffer destImage, Bitmap m_WidowsBitmap)
{
if (m_WidowsBitmap != null)
{
switch (m_WidowsBitmap.PixelFormat)
{
case System.Drawing.Imaging.PixelFormat.Format32bppArgb:
{
destImage.Allocate(m_WidowsBitmap.Width, m_WidowsBitmap.Height, m_WidowsBitmap.Width * 4, 32);
if (destImage.GetRecieveBlender() == null)
{
destImage.SetRecieveBlender(new BlenderBGRA());
}
BitmapData bitmapData = m_WidowsBitmap.LockBits(new Rectangle(0, 0, m_WidowsBitmap.Width, m_WidowsBitmap.Height), System.Drawing.Imaging.ImageLockMode.ReadWrite, m_WidowsBitmap.PixelFormat);
int sourceIndex = 0;
int destIndex = 0;
unsafe
{
int offset;
byte[] destBuffer = destImage.GetBuffer(out offset);
byte * pSourceBuffer = (byte *)bitmapData.Scan0;
for (int y = 0; y < destImage.Height; y++)
{
destIndex = destImage.GetBufferOffsetXY(0, destImage.Height - 1 - y);
for (int x = 0; x < destImage.Width; x++)
{
#if true
destBuffer[destIndex++] = pSourceBuffer[sourceIndex++];
destBuffer[destIndex++] = pSourceBuffer[sourceIndex++];
destBuffer[destIndex++] = pSourceBuffer[sourceIndex++];
destBuffer[destIndex++] = pSourceBuffer[sourceIndex++];
#else
RGBA_Bytes notPreMultiplied = new RGBA_Bytes(pSourceBuffer[sourceIndex + 0], pSourceBuffer[sourceIndex + 1], pSourceBuffer[sourceIndex + 2], pSourceBuffer[sourceIndex + 3]);
sourceIndex += 4;
RGBA_Bytes preMultiplied = notPreMultiplied.GetAsRGBA_Floats().premultiply().GetAsRGBA_Bytes();
destBuffer[destIndex++] = preMultiplied.blue;
destBuffer[destIndex++] = preMultiplied.green;
destBuffer[destIndex++] = preMultiplied.red;
destBuffer[destIndex++] = preMultiplied.alpha;
#endif
}
}
}
m_WidowsBitmap.UnlockBits(bitmapData);
return(true);
}
case System.Drawing.Imaging.PixelFormat.Format24bppRgb:
{
destImage.Allocate(m_WidowsBitmap.Width, m_WidowsBitmap.Height, m_WidowsBitmap.Width * 4, 32);
BitmapData bitmapData = m_WidowsBitmap.LockBits(new Rectangle(0, 0, m_WidowsBitmap.Width, m_WidowsBitmap.Height), System.Drawing.Imaging.ImageLockMode.ReadWrite, m_WidowsBitmap.PixelFormat);
int sourceIndex = 0;
int destIndex = 0;
unsafe
{
int offset;
byte[] destBuffer = destImage.GetBuffer(out offset);
byte * pSourceBuffer = (byte *)bitmapData.Scan0;
for (int y = 0; y < destImage.Height; y++)
{
sourceIndex = y * bitmapData.Stride;
destIndex = destImage.GetBufferOffsetXY(0, destImage.Height - 1 - y);
for (int x = 0; x < destImage.Width; x++)
{
destBuffer[destIndex++] = pSourceBuffer[sourceIndex++];
destBuffer[destIndex++] = pSourceBuffer[sourceIndex++];
destBuffer[destIndex++] = pSourceBuffer[sourceIndex++];
destBuffer[destIndex++] = 255;
}
}
}
m_WidowsBitmap.UnlockBits(bitmapData);
return(true);
}
case System.Drawing.Imaging.PixelFormat.Format8bppIndexed:
{
Copy8BitDataToImage(destImage, m_WidowsBitmap);
return(true);
}
default:
throw new System.NotImplementedException();
}
}
return(false);
}
