static unsafe SoftwareBitmap ColorizeMelspectrogram(SoftwareBitmap bwSpectrogram)
{
using (BitmapBuffer buffer = bwSpectrogram.LockBuffer(BitmapBufferAccessMode.Write))
{
using var reference = buffer.CreateReference();
IMemoryBufferByteAccess memoryBuffer = reference.As <IMemoryBufferByteAccess>();
memoryBuffer.GetBuffer(out byte *dataInBytes, out uint capacity);
// Edit the BGRA Plane
BitmapPlaneDescription bufferLayout = buffer.GetPlaneDescription(0);
for (int i = 0; i < bufferLayout.Height; i++)
{
for (int j = 0; j < bufferLayout.Width; j++)
{
int pixel = bufferLayout.StartIndex + bufferLayout.Stride * i + 4 * j;
//Lines below can be tweaked for different custom color filters
//Blue
dataInBytes[pixel + 0] = (byte)((255 - dataInBytes[pixel + 0]) / 2);
//Green
dataInBytes[pixel + 1] = (byte)(dataInBytes[pixel + 1] / 2);
//Red
//dataInBytes[pixel + 2] = (byte)(dataInBytes[pixel + 2]);
//Alpha - must leave each pixel at max
dataInBytes[bufferLayout.StartIndex + bufferLayout.Stride * i + 4 * j + 3] = (byte)255;
}
}
}
return(bwSpectrogram);
}
private static unsafe SoftwareBitmap MatToSoftwareBitmap(this Mat input)
{
try
{
SoftwareBitmap output = new SoftwareBitmap(BitmapPixelFormat.Bgra8, input.Width, input.Height, BitmapAlphaMode.Premultiplied);
using (BitmapBuffer Buffer = output.LockBuffer(BitmapBufferAccessMode.ReadWrite))
using (Windows.Foundation.IMemoryBufferReference Reference = Buffer.CreateReference())
{
((IMemoryBufferByteAccess)Reference).GetBuffer(out byte *DataInBytes, out uint capacity);
BitmapPlaneDescription BufferLayout = Buffer.GetPlaneDescription(0);
for (int i = 0; i < BufferLayout.Height; i++)
{
for (int j = 0; j < BufferLayout.Width; j++)
{
int Index = BufferLayout.StartIndex + (BufferLayout.Stride * i) + (4 * j);
DataInBytes[Index] = input.DataPointer[Index];
DataInBytes[Index + 1] = input.DataPointer[Index + 1];
DataInBytes[Index + 2] = input.DataPointer[Index + 2];
DataInBytes[Index + 3] = input.DataPointer[Index + 3];
}
}
}
return(output);
}
catch
{
return(new SoftwareBitmap(BitmapPixelFormat.Bgra8, input.Width, input.Height, BitmapAlphaMode.Premultiplied));
}
}
public static unsafe SoftwareBitmap GetImage_()
{
var softwareBitmap = new SoftwareBitmap(BitmapPixelFormat.Bgra8, 100, 100, BitmapAlphaMode.Premultiplied);
using (BitmapBuffer buffer = softwareBitmap.LockBuffer(BitmapBufferAccessMode.Write))
{
using (var reference = buffer.CreateReference())
{
byte *dataInBytes;
uint capacity;
((IMemoryBufferByteAccess)reference).GetBuffer(out dataInBytes, out capacity);
// Fill-in the BGRA plane
BitmapPlaneDescription bufferLayout = buffer.GetPlaneDescription(0);
for (int i = 0; i < bufferLayout.Height; i++)
{
for (int j = 0; j < bufferLayout.Width; j++)
{
byte value = (byte)((float)j / bufferLayout.Width * 255);
dataInBytes[bufferLayout.StartIndex + bufferLayout.Stride * i + 4 * j + 0] = value; // Blue
dataInBytes[bufferLayout.StartIndex + bufferLayout.Stride * i + 4 * j + 1] = value; // Green
dataInBytes[bufferLayout.StartIndex + bufferLayout.Stride * i + 4 * j + 2] = value; // Red
dataInBytes[bufferLayout.StartIndex + bufferLayout.Stride * i + 4 * j + 3] = 255; // Alpha
}
}
}
}
return(softwareBitmap);
}
public static unsafe void Mat2SoftwareBitmap(Mat input, SoftwareBitmap output)
{
using (BitmapBuffer buffer = output.LockBuffer(BitmapBufferAccessMode.ReadWrite))
{
using (var reference = buffer.CreateReference())
{
((IMemoryBufferByteAccess)reference).GetBuffer(out var dataInBytes, out var capacity);
BitmapPlaneDescription bufferLayout = buffer.GetPlaneDescription(0);
for (int i = 0; i < bufferLayout.Height; i++)
{
for (int j = 0; j < bufferLayout.Width; j++)
{
dataInBytes[bufferLayout.StartIndex + bufferLayout.Stride * i + 4 * j + 0] =
input.DataPointer[bufferLayout.StartIndex + bufferLayout.Stride * i + 4 * j + 0];
dataInBytes[bufferLayout.StartIndex + bufferLayout.Stride * i + 4 * j + 1] =
input.DataPointer[bufferLayout.StartIndex + bufferLayout.Stride * i + 4 * j + 1];
dataInBytes[bufferLayout.StartIndex + bufferLayout.Stride * i + 4 * j + 2] =
input.DataPointer[bufferLayout.StartIndex + bufferLayout.Stride * i + 4 * j + 2];
dataInBytes[bufferLayout.StartIndex + bufferLayout.Stride * i + 4 * j + 3] =
input.DataPointer[bufferLayout.StartIndex + bufferLayout.Stride * i + 4 * j + 3];
}
}
}
}
}
LockedBufferBgra8(
SoftwareBitmap bitmap,
BitmapBufferAccessMode access)
{
if (bitmap.BitmapPixelFormat != BitmapPixelFormat.Bgra8)
{
throw new ArgumentException("Invalid BitmapPixelFormat");
}
m_buffer = bitmap.LockBuffer(access);
m_byteAccess = (IClosableByteAccess)(Object)m_buffer;
byte *data;
uint capacity;
m_byteAccess.Lock(out data, out capacity);
m_locked = true;
Description = m_buffer.GetPlaneDescription(0);
PixelWidth = Description.Width;
PixelHeight = Description.Height;
Data = data + Description.StartIndex;
m_rowIndex = 0;
m_rowData = Data;
m_rowReadableCapacity = (access == BitmapBufferAccessMode.Write ? 0 : (uint)Description.Stride);
m_rowWriteableCapacity = (access == BitmapBufferAccessMode.Read ? 0 : (uint)Description.Stride);
}
private unsafe void CreateNewSoftwareBitmap()
{
// <SnippetCreateNewSoftwareBitmap>
softwareBitmap = new SoftwareBitmap(BitmapPixelFormat.Bgra8, 100, 100, BitmapAlphaMode.Premultiplied);
using (BitmapBuffer buffer = softwareBitmap.LockBuffer(BitmapBufferAccessMode.Write))
{
using (var reference = buffer.CreateReference())
{
byte *dataInBytes;
uint capacity;
((IMemoryBufferByteAccess)reference).GetBuffer(out dataInBytes, out capacity);
// Fill-in the BGRA plane
BitmapPlaneDescription bufferLayout = buffer.GetPlaneDescription(0);
for (int i = 0; i < bufferLayout.Height; i++)
{
for (int j = 0; j < bufferLayout.Width; j++)
{
byte value = (byte)((float)j / bufferLayout.Width * 255);
dataInBytes[bufferLayout.StartIndex + bufferLayout.Stride * i + 4 * j + 0] = value;
dataInBytes[bufferLayout.StartIndex + bufferLayout.Stride * i + 4 * j + 1] = value;
dataInBytes[bufferLayout.StartIndex + bufferLayout.Stride * i + 4 * j + 2] = value;
dataInBytes[bufferLayout.StartIndex + bufferLayout.Stride * i + 4 * j + 3] = (byte)255;
}
}
}
}
// </SnippetCreateNewSoftwareBitmap>
}
private unsafe void AssignPixelValues(SoftwareBitmap newSoftwareBitmap, SoftwareBitmap softwareBitmap)
{
using (BitmapBuffer buffer = softwareBitmap.LockBuffer(BitmapBufferAccessMode.Read))
using (BitmapBuffer newBuffer = newSoftwareBitmap.LockBuffer(BitmapBufferAccessMode.Write))
using (var reference = buffer.CreateReference())
using (var newReference = newBuffer.CreateReference())
{
byte *dataInBytes;
byte *newDataInBytes;
uint capacity;
((IMemoryBufferByteAccess)reference).GetBuffer(out dataInBytes, out capacity);
((IMemoryBufferByteAccess)newReference).GetBuffer(out newDataInBytes, out capacity);
// Fill-in the BGRA plane
BitmapPlaneDescription bufferLayout = buffer.GetPlaneDescription(0);
for (int i = 0; i < bufferLayout.Height; i++)
{
for (int j = 0; j < bufferLayout.Width; j++)
{
int pixelIndex = bufferLayout.StartIndex + bufferLayout.Stride * i + 4 * j;
if (newDataInBytes[pixelIndex + 3] != 0)
{
newDataInBytes[pixelIndex + 0] = dataInBytes[pixelIndex + 0];
newDataInBytes[pixelIndex + 1] = dataInBytes[pixelIndex + 1];
newDataInBytes[pixelIndex + 2] = dataInBytes[pixelIndex + 2];
}
}
}
}
}
private unsafe void ChangeRandomBgColorPixel()
{
using (BitmapBuffer buffer = randomBgSoftwareBitmap.LockBuffer(BitmapBufferAccessMode.Write))
{
using (var reference = buffer.CreateReference())
{
byte *dataInBytes;
uint capacity;
((IMemoryBufferByteAccess)reference).GetBuffer(out dataInBytes, out capacity);
// Fill-in the BGRA plane
BitmapPlaneDescription bufferLayout = buffer.GetPlaneDescription(0);
double imgWidth = bufferLayout.Width;
double imgHeight = bufferLayout.Height;
for (int row = 0; row < imgHeight; row++)
{
for (int col = 0; col < imgWidth; col++)
{
double hue = col * (360 / imgWidth);
HSVColor hsv = new HSVColor(hue, 1.0, 1.0);
Color color = hsv.GetRGB();
int pixelIndex = bufferLayout.Stride * row + 4 * col;
if (dataInBytes[pixelIndex + 3] != 0)
{
dataInBytes[pixelIndex + 0] = (byte)color.B;
dataInBytes[pixelIndex + 1] = (byte)color.G;
dataInBytes[pixelIndex + 2] = (byte)color.R;
}
}
}
}
}
}
public unsafe object Detect(SoftwareBitmap image)
{
using (BitmapBuffer buffer = image.LockBuffer(BitmapBufferAccessMode.Write))
{
using (var reference = buffer.CreateReference())
{
byte* dataInBytes;
uint capacity;
((IMemoryBufferByteAccess)reference).GetBuffer(out dataInBytes, out capacity);
// Fill-in the BGRA plane
BitmapPlaneDescription bufferLayout = buffer.GetPlaneDescription(0);
for (int i = 0; i < bufferLayout.Height; i++)
{
for (int j = 0; j < bufferLayout.Width; j++)
{
int b = dataInBytes[bufferLayout.StartIndex + bufferLayout.Stride * i + 4 * j + 0] - Color.B;
int g = dataInBytes[bufferLayout.StartIndex + bufferLayout.Stride * i + 4 * j + 1] - Color.G;
int r = dataInBytes[bufferLayout.StartIndex + bufferLayout.Stride * i + 4 * j + 2] - Color.R;
if (b * b + g * g + r * r < Delta * Delta)
{
dataInBytes[bufferLayout.StartIndex + bufferLayout.Stride * i + 4 * j + 0] = 0;
dataInBytes[bufferLayout.StartIndex + bufferLayout.Stride * i + 4 * j + 1] = 0;
dataInBytes[bufferLayout.StartIndex + bufferLayout.Stride * i + 4 * j + 2] = 255;
dataInBytes[bufferLayout.StartIndex + bufferLayout.Stride * i + 4 * j + 3] = (byte)255;
}
}
}
}
}
return null;
}
public unsafe byte[] GenerateSolidColor(float size, Color color, string cacheName)
{
var existing = GetExisting(cacheName);
if (existing != null)
{
return(existing);
}
var bmp = new SoftwareBitmap(BitmapPixelFormat.Rgba8, (int)size, (int)size);
using (var buffer = bmp.LockBuffer(BitmapBufferAccessMode.Write)) {
using (var reference = buffer.CreateReference()) {
byte *dataInBytes;
uint capacity;
((IMemoryBufferByteAccess)reference).GetBuffer(out dataInBytes, out capacity);
// Fill-in the BGRA plane
BitmapPlaneDescription bufferLayout = buffer.GetPlaneDescription(0);
for (int i = 0; i < bufferLayout.Height; i++)
{
for (int j = 0; j < bufferLayout.Width; j++)
{
dataInBytes[bufferLayout.StartIndex + bufferLayout.Stride * i + 4 * j + 0] = color.R;
dataInBytes[bufferLayout.StartIndex + bufferLayout.Stride * i + 4 * j + 1] = color.G;
dataInBytes[bufferLayout.StartIndex + bufferLayout.Stride * i + 4 * j + 2] = color.B;
dataInBytes[bufferLayout.StartIndex + bufferLayout.Stride * i + 4 * j + 3] = color.A;
}
}
}
}
return(Put(cacheName, bmp).Result);
}
public unsafe void CreateGraphicFile()
{
softwareBitmap = new SoftwareBitmap(BitmapPixelFormat.Bgra8, ImageWidth, ImageHeight, BitmapAlphaMode.Ignore);
using (BitmapBuffer buffer = softwareBitmap.LockBuffer(BitmapBufferAccessMode.Write))
{
using (var reference = buffer.CreateReference())
{
byte *dataInBytes;
uint capacity;
((IMemoryBufferByteAccess)reference).GetBuffer(out dataInBytes, out capacity);
// Fill-in the BGRA plane
BitmapPlaneDescription bufferLayout = buffer.GetPlaneDescription(0);
for (int i = 0; i < bufferLayout.Width; i++)
{
for (int j = 0; j < bufferLayout.Height; j++)
{
Color tempColor = waveSamples[i].CheckArea(j, ImageHeight) ? ForegroundColor : BackgroundColor;
//Blue
dataInBytes[bufferLayout.StartIndex + bufferLayout.Stride * j + 4 * i + 0] = (byte)tempColor.B;
//Green
dataInBytes[bufferLayout.StartIndex + bufferLayout.Stride * j + 4 * i + 1] = (byte)tempColor.G;
//Red
dataInBytes[bufferLayout.StartIndex + bufferLayout.Stride * j + 4 * i + 2] = (byte)tempColor.R;
//Alpha
dataInBytes[bufferLayout.StartIndex + bufferLayout.Stride * j + 4 * i + 3] = (byte)tempColor.A;
}
}
}
}
}
private unsafe void SoftwareBitmapChangeColorRed(SoftwareBitmap softwareBitmap)
{
using (BitmapBuffer buffer = softwareBitmap.LockBuffer(BitmapBufferAccessMode.Write))
{
using (var reference = buffer.CreateReference())
{
byte *dataInBytes;
uint capacity;
((IMemoryBufferByteAccess)reference).GetBuffer(out dataInBytes, out capacity);
// Fill-in the BGRA plane
BitmapPlaneDescription bufferLayout = buffer.GetPlaneDescription(0);
for (int i = 0; i < bufferLayout.Height; i++)
{
for (int j = 0; j < bufferLayout.Width; j++)
{
int pixelIndex = bufferLayout.StartIndex + bufferLayout.Stride * i + 4 * j;
if (dataInBytes[pixelIndex + 3] != 0)
{
dataInBytes[pixelIndex + 0] = 0;
dataInBytes[pixelIndex + 1] = 0;
dataInBytes[pixelIndex + 2] = 255;
}
}
}
}
}
}
/// <summary>
/// Copies data from an RGB buffer to a software bitmap.
/// </summary>
/// <param name="rgb24Buffer">The RGB buffer to copy from.</param>
/// <param name="sbmp">The software bitmap to copy the data to.</param>
private void SetBitmapData(byte[] buffer, SoftwareBitmap sbmp, VideoPixelFormatsEnum pixelFormat)
{
using (BitmapBuffer bmpBuffer = sbmp.LockBuffer(BitmapBufferAccessMode.Write))
{
using (var reference = bmpBuffer.CreateReference())
{
unsafe
{
byte *dataInBytes;
uint capacity;
((IMemoryBufferByteAccess)reference).GetBuffer(out dataInBytes, out capacity);
int posn = 0;
// Fill-in the RGBA plane
BitmapPlaneDescription bufferLayout = bmpBuffer.GetPlaneDescription(0);
for (int i = 0; i < bufferLayout.Height; i++)
{
for (int j = 0; j < bufferLayout.Width; j++)
{
// NOTE: Same as for System.Drawing.Bitmap pixel formats that have "rgb" in their name, such as
// BitmapPixelFormat.Rgba8, use a buffer format of BGR. Many issues on StackOverflow regarding this,
// e.g. https://stackoverflow.com/questions/5106505/converting-gdi-pixelformat-to-wpf-pixelformat.
// Notice the switch of the Blue and Red pixels below.
if (pixelFormat == VideoPixelFormatsEnum.Rgb)
{
dataInBytes[bufferLayout.StartIndex + bufferLayout.Stride * i + 4 * j + 0] = buffer[posn++];
dataInBytes[bufferLayout.StartIndex + bufferLayout.Stride * i + 4 * j + 1] = buffer[posn++];
dataInBytes[bufferLayout.StartIndex + bufferLayout.Stride * i + 4 * j + 2] = buffer[posn++];
dataInBytes[bufferLayout.StartIndex + bufferLayout.Stride * i + 4 * j + 3] = (byte)255;
}
else if (pixelFormat == VideoPixelFormatsEnum.Bgr)
{
dataInBytes[bufferLayout.StartIndex + bufferLayout.Stride * i + 4 * j + 2] = buffer[posn++];
dataInBytes[bufferLayout.StartIndex + bufferLayout.Stride * i + 4 * j + 1] = buffer[posn++];
dataInBytes[bufferLayout.StartIndex + bufferLayout.Stride * i + 4 * j + 0] = buffer[posn++];
dataInBytes[bufferLayout.StartIndex + bufferLayout.Stride * i + 4 * j + 3] = (byte)255;
}
//if (pixelFormat == VideoPixelFormatsEnum.Rgba)
//{
// dataInBytes[bufferLayout.StartIndex + bufferLayout.Stride * i + 4 * j + 0] = buffer[posn++];
// dataInBytes[bufferLayout.StartIndex + bufferLayout.Stride * i + 4 * j + 1] = buffer[posn++];
// dataInBytes[bufferLayout.StartIndex + bufferLayout.Stride * i + 4 * j + 2] = buffer[posn++];
// dataInBytes[bufferLayout.StartIndex + bufferLayout.Stride * i + 4 * j + 3] = buffer[posn++];
//}
else if (pixelFormat == VideoPixelFormatsEnum.Bgra)
{
dataInBytes[bufferLayout.StartIndex + bufferLayout.Stride * i + 4 * j + 2] = buffer[posn++];
dataInBytes[bufferLayout.StartIndex + bufferLayout.Stride * i + 4 * j + 1] = buffer[posn++];
dataInBytes[bufferLayout.StartIndex + bufferLayout.Stride * i + 4 * j + 0] = buffer[posn++];
dataInBytes[bufferLayout.StartIndex + bufferLayout.Stride * i + 4 * j + 3] = buffer[posn++];
}
}
}
}
}
}
}
public static unsafe SoftwareBitmap getImageAs8bitsBitmap(ref ushort[] data, uint height, uint width, int colorDepth, object[] curve, ref int[] value, bool histo, bool bgr)
{
SoftwareBitmap image = new SoftwareBitmap(BitmapPixelFormat.Rgba8, (int)width, (int)height, BitmapAlphaMode.Ignore);
using (BitmapBuffer buffer = image.LockBuffer(BitmapBufferAccessMode.Write))
{
using (var reference = buffer.CreateReference())
{
byte *tempByteArray;
uint capacity;
((IMemoryBufferByteAccess)reference).GetBuffer(out tempByteArray, out capacity);
// Fill-in the BGRA plane
BitmapPlaneDescription bufferLayout = buffer.GetPlaneDescription(0);
//calculte diff between colordepth and 8
int diff = (colorDepth) - 8;
for (int i = 0; i < bufferLayout.Width * bufferLayout.Height; i++)
{
//get the pixel
ushort red = (ushort)(data[(i * 3)] >> diff),
green = (ushort)(data[(i * 3) + 1] >> diff),
blue = (ushort)(data[(i * 3) + 2] >> (diff));
if (blue > 255)
{
blue = 255;
}
if (red > 255)
{
red = 255;
}
if (green > 255)
{
green = 255;
}
if (histo)
{
value[(ushort)((red + green + blue) / 3)]++;
}
if (bgr)
{
tempByteArray[bufferLayout.StartIndex + (i * 4)] = (byte)blue;
tempByteArray[bufferLayout.StartIndex + (i * 4) + 1] = (byte)green;
tempByteArray[bufferLayout.StartIndex + (i * 4) + 2] = (byte)red;
}
else
{
tempByteArray[bufferLayout.StartIndex + (i * 4)] = (byte)red;
tempByteArray[bufferLayout.StartIndex + (i * 4) + 1] = (byte)green;
tempByteArray[bufferLayout.StartIndex + (i * 4) + 2] = (byte)blue;
}
tempByteArray[bufferLayout.StartIndex + (i * 4) + 3] = 255;
}
}
}
return(image);
}
private unsafe SoftwareBitmap Blur_image(SoftwareBitmap softwareBitmape, int blurRatio)
{
var softwareBitmap = SoftwareBitmap.Convert(softwareBitmape, BitmapPixelFormat.Bgra8, BitmapAlphaMode.Premultiplied);
using (BitmapBuffer buffer = softwareBitmap.LockBuffer(BitmapBufferAccessMode.Write))
{
using (var reference = buffer.CreateReference())
{
byte *dataInBytes;
uint capacity;
((IMemoryBufferByteAccess)reference).GetBuffer(out dataInBytes, out capacity);
// Fill-in the BGRA plane
BitmapPlaneDescription bufferLayout = buffer.GetPlaneDescription(0);
for (int i = 0; i < bufferLayout.Height; i++)
{
for (int j = 0; j < bufferLayout.Width; j++)
{
float avg1 = 0;
float avg2 = 0;
float avg3 = 0;
float avg4 = 0;
float l = 0;
for (int k = j - blurRatio; k <= j + blurRatio; k++)
{
for (int h = i - blurRatio; h <= i + blurRatio; h++)
{
if (k >= 0 && h >= 0 && k < bufferLayout.Width && h < bufferLayout.Height)
{
avg1 += dataInBytes[bufferLayout.StartIndex + bufferLayout.Stride * h + 4 * k + 0];
avg2 += dataInBytes[bufferLayout.StartIndex + bufferLayout.Stride * h + 4 * k + 1];
avg3 += dataInBytes[bufferLayout.StartIndex + bufferLayout.Stride * h + 4 * k + 2];
avg4 += dataInBytes[bufferLayout.StartIndex + bufferLayout.Stride * h + 4 * k + 3];
var test = dataInBytes[bufferLayout.StartIndex + bufferLayout.Stride * h + 4 * k + 0];
l++;
}
}
}
dataInBytes[bufferLayout.StartIndex + bufferLayout.Stride * i + 4 * j + 0] = (byte)(avg1 / l);
dataInBytes[bufferLayout.StartIndex + bufferLayout.Stride * i + 4 * j + 1] = (byte)(avg2 / l);
dataInBytes[bufferLayout.StartIndex + bufferLayout.Stride * i + 4 * j + 2] = (byte)(avg3 / l);
dataInBytes[bufferLayout.StartIndex + bufferLayout.Stride * i + 4 * j + 3] = (byte)(avg4 / l);
}
}
}
}
return(softwareBitmap);
}
// Graphics / Buffer helper functions
public unsafe int[,] GetColorDistribution(SoftwareBitmap haystack, Color needle, int[] tolerance, int sparcity = 2)
{
int w = haystack.PixelWidth;
int h = haystack.PixelHeight;
int r = needle.R;
int g = needle.G;
int b = needle.B;
int[,] dA = new int[w * h, 2];
int dAPointer = 0;
BitmapBuffer buffer = haystack.LockBuffer(BitmapBufferAccessMode.Read);
BitmapPlaneDescription bufferLayout = buffer.GetPlaneDescription(0);
IMemoryBufferReference reference = buffer.CreateReference();
((IMemoryBufferByteAccess)reference).GetBuffer(out byte *bufferData, out uint capacity);
int pos;
for (int x = 0; x < w; x += sparcity)
{
for (int y = 0; y < h; y += sparcity)
{
pos = bufferLayout.StartIndex + bufferLayout.Stride * y + 4 * x;
int rC = bufferData[pos + 2];
int gC = bufferData[pos + 1];
int bC = bufferData[pos];
if (Math.Abs(rC - r) <= tolerance[0] && Math.Abs(gC - g) <= tolerance[1] && Math.Abs(bC - b) <= tolerance[2])
{
dA[dAPointer, 0] = x;
dA[dAPointer, 1] = y;
dAPointer++;
}
}
}
dAPointer--;
reference.Dispose();
buffer.Dispose();
int[,] distributionArray = new int[dAPointer + 1, 2];
for (int p = dAPointer; p >= 0; p--)
{
distributionArray[p, 0] = dA[p, 0];
distributionArray[p, 1] = dA[p, 1];
}
return(distributionArray);
}
private unsafe SoftwareBitmap Edit_image_Middle(SoftwareBitmap softwareBitmape, int PixelationRatio)
{
var softwareBitmap = SoftwareBitmap.Convert(softwareBitmape, BitmapPixelFormat.Bgra8, BitmapAlphaMode.Premultiplied);
using (BitmapBuffer buffer = softwareBitmap.LockBuffer(BitmapBufferAccessMode.Write))
{
using (var reference = buffer.CreateReference())
{
byte *dataInBytes;
uint capacity;
((IMemoryBufferByteAccess)reference).GetBuffer(out dataInBytes, out capacity);
// Fill-in the BGRA plane
BitmapPlaneDescription bufferLayout = buffer.GetPlaneDescription(0);
for (int i = 0; i < bufferLayout.Height + PixelationRatio; i = i + PixelationRatio * 2)
{
for (int j = 0; j < bufferLayout.Width + PixelationRatio; j = j + PixelationRatio * 2)
{
for (int k = j - PixelationRatio; k <= j + PixelationRatio; k++)
{
for (int h = i - PixelationRatio; h <= i + PixelationRatio; h++)
{
if (k >= 0 && h >= 0 && k < bufferLayout.Width && h < bufferLayout.Height)
{
var iIndex = i >= bufferLayout.Height ? bufferLayout.Height - 1 : i;
var jIndex = j >= bufferLayout.Width ? bufferLayout.Width - 1 : j;
byte value1 = dataInBytes[bufferLayout.StartIndex + bufferLayout.Stride * iIndex + 4 * jIndex + 0];
byte value2 = dataInBytes[bufferLayout.StartIndex + bufferLayout.Stride * iIndex + 4 * jIndex + 1];
byte value3 = dataInBytes[bufferLayout.StartIndex + bufferLayout.Stride * iIndex + 4 * jIndex + 2];
byte value4 = dataInBytes[bufferLayout.StartIndex + bufferLayout.Stride * iIndex + 4 * jIndex + 3];
dataInBytes[bufferLayout.StartIndex + bufferLayout.Stride * h + 4 * k + 0] = value1;
dataInBytes[bufferLayout.StartIndex + bufferLayout.Stride * h + 4 * k + 1] = value2;
dataInBytes[bufferLayout.StartIndex + bufferLayout.Stride * h + 4 * k + 2] = value3;
dataInBytes[bufferLayout.StartIndex + bufferLayout.Stride * h + 4 * k + 3] = value4;
}
}
}
}
}
}
}
return(softwareBitmap);
}
public static unsafe SoftwareBitmap GetImage(Document doc)
{
var softwareBitmap = new SoftwareBitmap(BitmapPixelFormat.Gray8, 100, 100);
using (BitmapBuffer buffer = softwareBitmap.LockBuffer(BitmapBufferAccessMode.Write))
{
using (var reference = buffer.CreateReference())
{
// Fill-in the Gray plane
BitmapPlaneDescription bufferLayout = buffer.GetPlaneDescription(0);
//doc.test(reference, 100, 100, bufferLayout.StartIndex, bufferLayout.Stride);
}
}
return(SoftwareBitmap.Convert(softwareBitmap, BitmapPixelFormat.Bgra8, BitmapAlphaMode.Premultiplied));
}
public unsafe void ProcessFrame(ProcessVideoFrameContext context)
{
frameCount++;
Debug.WriteLine("Frame count: " + frameCount);
using (BitmapBuffer buffer = context.InputFrame.SoftwareBitmap.LockBuffer(BitmapBufferAccessMode.Read))
using (BitmapBuffer targetBuffer = context.OutputFrame.SoftwareBitmap.LockBuffer(BitmapBufferAccessMode.Write))
{
using (var reference = buffer.CreateReference())
using (var targetReference = targetBuffer.CreateReference())
{
byte *dataInBytes;
uint capacity;
((IMemoryBufferByteAccess)reference).GetBuffer(out dataInBytes, out capacity);
byte *targetDataInBytes;
uint targetCapacity;
((IMemoryBufferByteAccess)targetReference).GetBuffer(out targetDataInBytes, out targetCapacity);
var fadeValue = FadeValue;
// Fill-in the BGRA plane
BitmapPlaneDescription bufferLayout = buffer.GetPlaneDescription(0);
for (int i = 0; i < bufferLayout.Height; i++)
{
for (int j = 0; j < bufferLayout.Width; j++)
{
byte value = (byte)((float)j / bufferLayout.Width * 255);
int bytesPerPixel = 4;
if (encodingProperties.Subtype != "ARGB32")
{
// If you support other encodings, adjust index into the buffer accordingly
}
int idx = bufferLayout.StartIndex + bufferLayout.Stride * i + bytesPerPixel * j;
targetDataInBytes[idx + 0] = (byte)(fadeValue * (float)dataInBytes[idx + 0]);
//targetDataInBytes[idx + 1] = (byte)(fadeValue * (float)dataInBytes[idx + 1]);
//targetDataInBytes[idx + 2] = (byte)(fadeValue * (float)dataInBytes[idx + 2]);
//targetDataInBytes[idx + 3] = dataInBytes[idx + 3];
}
}
}
}
}
private unsafe bool[,] GetBluePixelArray(SoftwareBitmap softwareBitmap)
{
int widthPixels;
int heightPixels;
bool[,] pixelBoolArray;
using (BitmapBuffer buffer = softwareBitmap.LockBuffer(BitmapBufferAccessMode.Write))
{
using (var reference = buffer.CreateReference())
{
byte *dataInBytes;
uint capacity;
((IMemoryBufferByteAccess)reference).GetBuffer(out dataInBytes, out capacity);
// Fill-in the BGRA plane
BitmapPlaneDescription bufferLayout = buffer.GetPlaneDescription(0);
widthPixels = bufferLayout.Width;
heightPixels = bufferLayout.Height;
pixelBoolArray = new bool[heightPixels, widthPixels];
for (int y = 0; y < heightPixels; y++)
{
for (int x = 0; x < widthPixels; x++)
{
int pixelIndex = bufferLayout.StartIndex + bufferLayout.Stride * y + 4 * x;
if (dataInBytes[pixelIndex + 0] == 255 &&
dataInBytes[pixelIndex + 1] == 0 &&
dataInBytes[pixelIndex + 2] == 0)
{
pixelBoolArray[y, x] = true;
}
else
{
pixelBoolArray[y, x] = false;
}
}
}
}
}
return(pixelBoolArray);
}
private unsafe SoftwareBitmap CropImageByRect(SoftwareBitmap inputBitmap, FaceRectangle rect)
{
var outputBitmap = new SoftwareBitmap(inputBitmap.BitmapPixelFormat, rect.Width, rect.Height, inputBitmap.BitmapAlphaMode);
using (BitmapBuffer inputBuffer = inputBitmap.LockBuffer(BitmapBufferAccessMode.Read))
{
using (BitmapBuffer outputBuffer = outputBitmap.LockBuffer(BitmapBufferAccessMode.Write))
{
using (var inputReference = inputBuffer.CreateReference())
{
byte *dataInBytes;
uint dataInCapacity;
((IMemoryBufferByteAccess)inputReference).GetBuffer(out dataInBytes, out dataInCapacity);
BitmapPlaneDescription inputBufferLayout = inputBuffer.GetPlaneDescription(0);
using (var outputReference = outputBuffer.CreateReference())
{
byte *dataOutBytes;
uint dataOutCapacity;
((IMemoryBufferByteAccess)outputReference).GetBuffer(out dataOutBytes, out dataOutCapacity);
// Fill-in the BGRA plane
BitmapPlaneDescription outputBufferLayout = outputBuffer.GetPlaneDescription(0);
for (int i = 0; i < outputBufferLayout.Height; i++)
{
for (int j = 0; j < outputBufferLayout.Width; j++)
{
dataOutBytes[outputBufferLayout.StartIndex + outputBufferLayout.Stride * i + 4 * j + 0] =
dataInBytes[inputBufferLayout.StartIndex + inputBufferLayout.Stride * (rect.Top + i) + 4 * (rect.Left + j) + 0];
dataOutBytes[outputBufferLayout.StartIndex + outputBufferLayout.Stride * i + 4 * j + 1] =
dataInBytes[inputBufferLayout.StartIndex + inputBufferLayout.Stride * (rect.Top + i) + 4 * (rect.Left + j) + 1];
dataOutBytes[outputBufferLayout.StartIndex + outputBufferLayout.Stride * i + 4 * j + 2] =
dataInBytes[inputBufferLayout.StartIndex + inputBufferLayout.Stride * (rect.Top + i) + 4 * (rect.Left + j) + 2];
dataOutBytes[outputBufferLayout.StartIndex + outputBufferLayout.Stride * i + 4 * j + 3] =
dataInBytes[inputBufferLayout.StartIndex + inputBufferLayout.Stride * (rect.Top + i) + 4 * (rect.Left + j) + 3];
}
}
}
}
}
}
return(outputBitmap);
}
private unsafe void GetHasPixelArray()
{
SoftwareBitmap softwareBitmap = g_CurrentImageInfo.SoftwareBitmap;
int widthPixels;
int heightPixels;
bool[,] hasPixelArray;
using (BitmapBuffer buffer = softwareBitmap.LockBuffer(BitmapBufferAccessMode.Write))
{
using (var reference = buffer.CreateReference())
{
byte *dataInBytes;
uint capacity;
((IMemoryBufferByteAccess)reference).GetBuffer(out dataInBytes, out capacity);
// Fill-in the BGRA plane
BitmapPlaneDescription bufferLayout = buffer.GetPlaneDescription(0);
widthPixels = bufferLayout.Width;
heightPixels = bufferLayout.Height;
hasPixelArray = new bool[heightPixels, widthPixels];
for (int y = 0; y < heightPixels; y++)
{
for (int x = 0; x < widthPixels; x++)
{
int pixelIndex = bufferLayout.StartIndex + bufferLayout.Stride * y + 4 * x;
if (dataInBytes[pixelIndex + 3] != 0)
{
hasPixelArray[y, x] = true;
}
else
{
hasPixelArray[y, x] = false;
}
}
}
}
}
g_CurrentImageInfo.HasPixelArray = hasPixelArray;
}
public unsafe void SetPixelColor(SoftwareBitmap swBmp, int x, int y, Color color)
{
BitmapBuffer buffer = swBmp.LockBuffer(BitmapBufferAccessMode.Write);
BitmapPlaneDescription bufferLayout = buffer.GetPlaneDescription(0);
if (x >= 0 && x < bufferLayout.Width && y >= 0 && y < bufferLayout.Height)
{
using (IMemoryBufferReference reference = buffer.CreateReference())
{
((IMemoryBufferByteAccess)reference).GetBuffer(out byte *bufferData, out uint capacity);
bufferData[bufferLayout.StartIndex + bufferLayout.Stride * y + 4 * x + 0] = color.B;
bufferData[bufferLayout.StartIndex + bufferLayout.Stride * y + 4 * x + 1] = color.G;
bufferData[bufferLayout.StartIndex + bufferLayout.Stride * y + 4 * x + 2] = color.R;
bufferData[bufferLayout.StartIndex + bufferLayout.Stride * y + 4 * x + 3] = color.A;
}
}
buffer.Dispose();
}
static unsafe public SoftwareBitmap Crop(SoftwareBitmap src, int left, int top, int width, int height)
{
if (left < 0 || left + width > src.PixelWidth || width < 1)
{
return(null);
}
if (top < 0 || top + height > src.PixelHeight || height < 1)
{
return(null);
}
var dst = new SoftwareBitmap(BitmapPixelFormat.Bgra8, width, height);
{
uint capacity;
byte *dataInBytes;
byte *dstDataInBytes;
using (var buffer = src.LockBuffer(BitmapBufferAccessMode.Read))
using (var dstBuffer = dst.LockBuffer(BitmapBufferAccessMode.Write))
using (var read = buffer.CreateReference())
using (var write = dstBuffer.CreateReference())
{
{
((IMemoryBufferByteAccess)read).GetBuffer(out dataInBytes, out capacity);
((IMemoryBufferByteAccess)write).GetBuffer(out dstDataInBytes, out capacity);
BitmapPlaneDescription rBufferLayout = buffer.GetPlaneDescription(0);
BitmapPlaneDescription wBufferLayout = dstBuffer.GetPlaneDescription(0);
for (int y = 0; y < height; y++)
{
int srcOffset = rBufferLayout.StartIndex + rBufferLayout.Stride * (top + y) + 4 * left;
int dstOffset = wBufferLayout.StartIndex + wBufferLayout.Stride * y;
byte *_src = (byte *)dataInBytes + srcOffset;
byte *_dst = (byte *)dstDataInBytes + dstOffset;
for (int i = 0; i < width * 4; i++)
{
_dst[i] = _src[i];
}
}
}
}
}
return(dst);
}
protected override RawImage decodeRawInternal()
{
mRaw.colorDepth = 8;
mRaw.cpp = 3;
mRaw.bpp = 8;
var decoder = BitmapDecoder.CreateAsync(BitmapDecoder.JpegDecoderId, mFile.BaseStream.AsRandomAccessStream()).AsTask();
decoder.Wait();
var bitmapasync = decoder.Result.GetSoftwareBitmapAsync().AsTask();
bitmapasync.Wait();
var image = bitmapasync.Result;
using (BitmapBuffer buffer = image.LockBuffer(BitmapBufferAccessMode.Write))
{
using (var reference = buffer.CreateReference())
{
BitmapPlaneDescription bufferLayout = buffer.GetPlaneDescription(0);
mRaw.dim = new iPoint2D(bufferLayout.Width, bufferLayout.Height);
mRaw.Init();
unsafe
{
((IMemoryBufferByteAccess)reference).GetBuffer(out var temp, out uint capacity);
for (int y = 0; y < mRaw.dim.y; y++)
{
int realY = y * mRaw.dim.x * 3;
int bufferY = y * mRaw.dim.x * 4 + +bufferLayout.StartIndex;
for (int x = 0; x < mRaw.dim.x; x++)
{
int realPix = realY + (3 * x);
int bufferPix = bufferY + (4 * x);
mRaw.rawData[realPix] = temp[bufferPix + 2];
mRaw.rawData[realPix + 1] = temp[bufferPix + 1];
mRaw.rawData[realPix + 2] = temp[bufferPix];
}
}
}
}
}
return(mRaw);
}
static public SoftwareBitmap Rotate270(SoftwareBitmap src)
{
var imageData = new byte[src.PixelWidth * src.PixelHeight * 4];
int rotateHeight = src.PixelWidth;
int rotateWidth = src.PixelHeight;
var dst = new SoftwareBitmap(BitmapPixelFormat.Bgra8, rotateWidth, rotateHeight);
unsafe
{
uint capacity;
byte *dataInBytes;
byte *dstDataInBytes;
using (var buffer = src.LockBuffer(BitmapBufferAccessMode.Read))
using (var dstBuffer = dst.LockBuffer(BitmapBufferAccessMode.Write))
using (var read = buffer.CreateReference())
using (var write = dstBuffer.CreateReference())
{
{
((IMemoryBufferByteAccess)read).GetBuffer(out dataInBytes, out capacity);
((IMemoryBufferByteAccess)write).GetBuffer(out dstDataInBytes, out capacity);
BitmapPlaneDescription rBufferLayout = buffer.GetPlaneDescription(0);
BitmapPlaneDescription wBufferLayout = dstBuffer.GetPlaneDescription(0);
int hpw = (src.PixelWidth - src.PixelHeight) / 2;
int wdh = (src.PixelWidth + src.PixelHeight) / 2;
for (int i = 0; i < rBufferLayout.Height; i++)
{
for (int j = 0; j < rBufferLayout.Width; j++)
{
int dstOffset = wBufferLayout.StartIndex + wBufferLayout.Stride * (wBufferLayout.Height - 1 - j) + 4 * i;
int srcOffset = rBufferLayout.StartIndex + rBufferLayout.Stride * i + 4 * j;
dstDataInBytes[dstOffset] = dataInBytes[srcOffset];
dstDataInBytes[dstOffset + 1] = dataInBytes[srcOffset + 1];
dstDataInBytes[dstOffset + 2] = dataInBytes[srcOffset + 2];
dstDataInBytes[dstOffset + 3] = dataInBytes[srcOffset + 3];
}
}
}
}
}
return(dst);
}
public unsafe IResult Detect(SoftwareBitmap image)
{
CounterResult result = new CounterResult()
{
Count = 0,
Image = new SoftwareBitmap(image.BitmapPixelFormat, image.PixelWidth, image.PixelHeight)
};
image.CopyTo(result.Image);
using (BitmapBuffer buffer = result.Image.LockBuffer(BitmapBufferAccessMode.Write))
{
using (var reference = buffer.CreateReference())
{
((IMemoryBufferByteAccess)reference).GetBuffer(out byte *dataInBytes, out uint capacity);
// Fill-in the BGRA plane
BitmapPlaneDescription bufferLayout = buffer.GetPlaneDescription(0);
for (int i = 0; i < bufferLayout.Height; i++)
{
for (int j = 0; j < bufferLayout.Width; j++)
{
int b = dataInBytes[bufferLayout.StartIndex + bufferLayout.Stride * i + 4 * j + 0] - Color.B;
int g = dataInBytes[bufferLayout.StartIndex + bufferLayout.Stride * i + 4 * j + 1] - Color.G;
int r = dataInBytes[bufferLayout.StartIndex + bufferLayout.Stride * i + 4 * j + 2] - Color.R;
if (b * b + g * g + r * r < Delta * Delta)
{
result.Count++;
dataInBytes[bufferLayout.StartIndex + bufferLayout.Stride * i + 4 * j + 0] = 0;
dataInBytes[bufferLayout.StartIndex + bufferLayout.Stride * i + 4 * j + 1] = 0;
dataInBytes[bufferLayout.StartIndex + bufferLayout.Stride * i + 4 * j + 2] = 255;
dataInBytes[bufferLayout.StartIndex + bufferLayout.Stride * i + 4 * j + 3] = (byte)255;
}
}
}
}
}
return(result);
}
public unsafe Color GetPixelColor(SoftwareBitmap swBmp, int x, int y)
{
BitmapBuffer buffer = swBmp.LockBuffer(BitmapBufferAccessMode.Read);
BitmapPlaneDescription bufferLayout = buffer.GetPlaneDescription(0);
Color color = new Color();
if (x >= 0 && x < bufferLayout.Width && y >= 0 && y < bufferLayout.Height)
{
using (IMemoryBufferReference reference = buffer.CreateReference())
{
((IMemoryBufferByteAccess)reference).GetBuffer(out byte *bufferData, out uint capacity);
color.B = bufferData[bufferLayout.StartIndex + bufferLayout.Stride * y + 4 * x + 0];
color.G = bufferData[bufferLayout.StartIndex + bufferLayout.Stride * y + 4 * x + 1];
color.R = bufferData[bufferLayout.StartIndex + bufferLayout.Stride * y + 4 * x + 2];
color.A = bufferData[bufferLayout.StartIndex + bufferLayout.Stride * y + 4 * x + 3];
}
}
buffer.Dispose();
return(color);
}
private void SubscriptionHandler(sensor_msgs.Image message)
{
var ignore = CoreApplication.MainView.Dispatcher.RunAsync(CoreDispatcherPriority.Normal, async() =>
{
var softwareBitmap = new SoftwareBitmap(BitmapPixelFormat.Bgra8, message.width, message.height, BitmapAlphaMode.Ignore);
unsafe
{
using (BitmapBuffer buffer = softwareBitmap.LockBuffer(BitmapBufferAccessMode.Write))
{
using (var reference = buffer.CreateReference())
{
byte *dataInBytes;
uint capacity;
((IMemoryBufferByteAccess)reference).GetBuffer(out dataInBytes, out capacity);
// Fill-in the BGRA plane
BitmapPlaneDescription bufferLayout = buffer.GetPlaneDescription(0);
for (int y = 0; y < bufferLayout.Height; y++)
{
uint xoffset = 0;
for (int x = 0; x < bufferLayout.Stride; x += 4)
{
dataInBytes[bufferLayout.StartIndex + bufferLayout.Stride * y + x + 0] = message.data[message.step * y + xoffset + 0];
dataInBytes[bufferLayout.StartIndex + bufferLayout.Stride * y + x + 1] = message.data[message.step * y + xoffset + 1];
dataInBytes[bufferLayout.StartIndex + bufferLayout.Stride * y + x + 2] = message.data[message.step * y + xoffset + 2];
dataInBytes[bufferLayout.StartIndex + bufferLayout.Stride * y + x + 3] = (byte)255;
xoffset += 3;
}
}
}
}
}
await MLView.SetBitmapAsync(softwareBitmap);
NotifyPropertyChanged("MLView");
});
}
private unsafe void Tile()
{
using (BitmapBuffer sourceBuffer = g_BaseSB.LockBuffer(BitmapBufferAccessMode.Read))
using (BitmapBuffer targetBuffer = g_TileSB.LockBuffer(BitmapBufferAccessMode.Write))
using (var reference = sourceBuffer.CreateReference())
using (var newReference = targetBuffer.CreateReference())
{
byte *dataInBytes;
byte *newDataInBytes;
uint capacity;
((IMemoryBufferByteAccess)reference).GetBuffer(out dataInBytes, out capacity);
((IMemoryBufferByteAccess)newReference).GetBuffer(out newDataInBytes, out capacity);
// Fill-in the BGRA plane
BitmapPlaneDescription sourceBufferLayout = sourceBuffer.GetPlaneDescription(0);
BitmapPlaneDescription targetBufferLayout = targetBuffer.GetPlaneDescription(0);
int baseWidth = g_BaseSB.PixelWidth;
int baseHeight = g_BaseSB.PixelHeight;
int tileWidth = targetBufferLayout.Width;
int tileHeight = targetBufferLayout.Height;
for (int i = 0; i < tileHeight; i++)
{
for (int j = 0; j < tileWidth; j++)
{
int wSourceIndex = i % baseWidth;
int hSourceIndex = j % baseHeight;
int sourcePixelIndex = sourceBufferLayout.StartIndex + sourceBufferLayout.Stride * wSourceIndex + 4 * hSourceIndex;
int targetPixelIndex = targetBufferLayout.StartIndex + targetBufferLayout.Stride * i + 4 * j;
newDataInBytes[targetPixelIndex + 0] = dataInBytes[sourcePixelIndex + 0];
newDataInBytes[targetPixelIndex + 1] = dataInBytes[sourcePixelIndex + 1];
newDataInBytes[targetPixelIndex + 2] = dataInBytes[sourcePixelIndex + 2];
newDataInBytes[targetPixelIndex + 3] = dataInBytes[sourcePixelIndex + 3];
}
}
}
}
