public void CopyTo(int horizontalFactor, int verticalFactor)
{
Block8x8F block = CreateRandomFloatBlock(0, 100);
var start = new Point(50, 50);
using (Buffer2D <float> buffer = Configuration.Default.MemoryAllocator.Allocate2D <float>(100, 100, AllocationOptions.Clean))
{
BufferArea <float> area = buffer.GetArea(start.X, start.Y, 8 * horizontalFactor, 8 * verticalFactor);
block.CopyTo(area, horizontalFactor, verticalFactor);
for (int y = 0; y < 8 * verticalFactor; y++)
{
for (int x = 0; x < 8 * horizontalFactor; x++)
{
int yy = y / verticalFactor;
int xx = x / horizontalFactor;
float expected = block[xx, yy];
float actual = area[x, y];
Assert.Equal(expected, actual);
}
}
VerifyAllZeroOutsideSubArea(buffer, start.X, start.Y, horizontalFactor, verticalFactor);
}
}
/// <summary>
/// Invoke <see cref="JpegBlockPostProcessor"/> for <see cref="BlockRowsPerStep"/> block rows, copy the result into <see cref="ColorBuffer"/>.
/// </summary>
public void CopyBlocksToColorBuffer()
{
var blockPp = new JpegBlockPostProcessor(this.ImagePostProcessor.RawJpeg, this.Component);
for (int y = 0; y < this.BlockRowsPerStep; y++)
{
int yBlock = this.currentComponentRowInBlocks + y;
if (yBlock >= this.SizeInBlocks.Height)
{
break;
}
int yBuffer = y * this.blockAreaSize.Height;
for (int x = 0; x < this.SizeInBlocks.Width; x++)
{
int xBlock = x;
int xBuffer = x * this.blockAreaSize.Width;
ref Block8x8 block = ref this.Component.GetBlockReference(xBlock, yBlock);
BufferArea <float> destArea = this.ColorBuffer.GetArea(
xBuffer,
yBuffer,
this.blockAreaSize.Width,
this.blockAreaSize.Height);
blockPp.ProcessBlockColorsInto(ref block, destArea);
}
}
/// <summary>
/// Invoke <see cref="JpegBlockPostProcessor"/> for <see cref="BlockRowsPerStep"/> block rows, copy the result into <see cref="ColorBuffer"/>.
/// </summary>
public void CopyBlocksToColorBuffer()
{
var blockPp = new JpegBlockPostProcessor(this.ImagePostProcessor.RawJpeg, this.Component);
for (int y = 0; y < this.BlockRowsPerStep; y++)
{
int yBlock = this.currentComponentRowInBlocks + y;
if (yBlock >= this.SizeInBlocks.Height)
{
break;
}
int yBuffer = y * this.blockAreaSize.Height;
Span <Block8x8> blockRow = this.Component.SpectralBlocks.GetRowSpan(yBlock);
ref Block8x8 blockRowBase = ref MemoryMarshal.GetReference(blockRow);
for (int xBlock = 0; xBlock < this.SizeInBlocks.Width; xBlock++)
{
ref Block8x8 block = ref Unsafe.Add(ref blockRowBase, xBlock);
int xBuffer = xBlock * this.blockAreaSize.Width;
BufferArea <float> destArea = this.ColorBuffer.GetArea(
xBuffer,
yBuffer,
this.blockAreaSize.Width,
this.blockAreaSize.Height);
blockPp.ProcessBlockColorsInto(ref block, destArea);
}
/// <summary>
/// Copy block data into the destination color buffer pixel area with the provided horizontal and vertical.
/// </summary>
public void CopyTo(BufferArea <float> area, int horizontalScale, int verticalScale)
{
if (horizontalScale == 1 && verticalScale == 1)
{
this.CopyTo(area);
return;
}
else if (horizontalScale == 2 && verticalScale == 2)
{
this.CopyTo2x2(area);
return;
}
// TODO: Optimize: implement all the cases with loopless special code! (T4?)
for (int y = 0; y < 8; y++)
{
int yy = y * verticalScale;
int y8 = y * 8;
for (int x = 0; x < 8; x++)
{
int xx = x * horizontalScale;
float value = this[y8 + x];
for (int i = 0; i < verticalScale; i++)
{
for (int j = 0; j < horizontalScale; j++)
{
area[xx + j, yy + i] = value;
}
}
}
}
}
public void GetReferenceToOrigin(int bufferCapacity)
{
this.memoryAllocator.BufferCapacityInBytes = sizeof(int) * bufferCapacity;
using Buffer2D <int> buffer = this.CreateTestBuffer(20, 30);
BufferArea <int> area0 = buffer.GetArea(6, 8, 10, 10);
ref int r = ref area0.GetReferenceToOrigin();
public void Construct()
{
using Buffer2D <int> buffer = this.memoryAllocator.Allocate2D <int>(10, 20);
var rectangle = new Rectangle(3, 2, 5, 6);
var area = new BufferArea <int>(buffer, rectangle);
Assert.Equal(buffer, area.DestinationBuffer);
Assert.Equal(rectangle, area.Rectangle);
}
/// <inheritdoc/>
protected override void OnFrameApply(ImageFrame <TPixel> source, ImageFrame <TPixel> destination)
{
Rectangle sourceRectangle = this.SourceRectangle;
Configuration configuration = this.Configuration;
// Handle resize dimensions identical to the original
if (source.Width == destination.Width &&
source.Height == destination.Height &&
sourceRectangle == this.targetRectangle)
{
// The cloned will be blank here copy all the pixel data over
source.GetPixelMemoryGroup().CopyTo(destination.GetPixelMemoryGroup());
return;
}
int width = this.targetWidth;
int height = this.targetHeight;
var interest = Rectangle.Intersect(this.targetRectangle, new Rectangle(0, 0, width, height));
if (this.resampler is NearestNeighborResampler)
{
// Scaling factors
float widthFactor = sourceRectangle.Width / (float)this.targetRectangle.Width;
float heightFactor = sourceRectangle.Height / (float)this.targetRectangle.Height;
var operation = new RowIntervalOperation(sourceRectangle, this.targetRectangle, widthFactor, heightFactor, source, destination);
ParallelRowIterator.IterateRows(
configuration,
interest,
in operation);
return;
}
PixelConversionModifiers conversionModifiers =
PixelConversionModifiers.Premultiply.ApplyCompanding(this.compand);
BufferArea <TPixel> sourceArea = source.PixelBuffer.GetArea(sourceRectangle);
// To reintroduce parallel processing, we to launch multiple workers
// for different row intervals of the image.
using (var worker = new ResizeWorker <TPixel>(
configuration,
sourceArea,
conversionModifiers,
this.horizontalKernelMap,
this.verticalKernelMap,
width,
interest,
this.targetRectangle.Location))
{
worker.Initialize();
var workingInterval = new RowInterval(interest.Top, interest.Bottom);
worker.FillDestinationPixels(workingInterval, destination.PixelBuffer);
}
}
public void Setup()
{
if (!SimdUtils.IsAvx2CompatibleArchitecture)
{
throw new InvalidOperationException("Benchmark Block8x8F_CopyTo1x1 is invalid on platforms without AVX2 support.");
}
this.buffer = Configuration.Default.MemoryAllocator.Allocate2D <float>(1000, 500);
this.destArea = this.buffer.GetArea(200, 100, 64, 64);
}
public void DangerousGetPinnableReference()
{
using (Buffer2D <int> buffer = CreateTestBuffer(20, 30))
{
BufferArea <int> area0 = buffer.GetArea(6, 8, 10, 10);
ref int r = ref area0.GetReferenceToOrigo();
int expected = buffer[6, 8];
Assert.Equal(expected, r);
}
public void Construct()
{
using (var buffer = Configuration.Default.MemoryAllocator.Allocate2D <int>(10, 20))
{
var rectangle = new Rectangle(3, 2, 5, 6);
var area = new BufferArea <int>(buffer, rectangle);
Assert.Equal(buffer, area.DestinationBuffer);
Assert.Equal(rectangle, area.Rectangle);
}
}
public void Construct()
{
using (var buffer = new Buffer2D <int>(10, 20))
{
var rectangle = new Rectangle(3, 2, 5, 6);
var area = new BufferArea <int>(buffer, rectangle);
Assert.Equal(buffer, area.DestinationBuffer);
Assert.Equal(rectangle, area.Rectangle);
}
}
public void Indexer(int rx, int ry, int x, int y)
{
using (Buffer2D <int> buffer = CreateTestBuffer(20, 30))
{
Rectangle r = new Rectangle(rx, ry, 5, 6);
BufferArea <int> area = buffer.GetArea(r);
int value = area[x, y];
int expected = (ry + y) * 100 + rx + x;
Assert.Equal(expected, value);
}
}
public void Indexer(int bufferCapacity, int rx, int ry, int x, int y)
{
this.memoryAllocator.BufferCapacityInBytes = sizeof(int) * bufferCapacity;
using Buffer2D <int> buffer = this.CreateTestBuffer(20, 30);
var r = new Rectangle(rx, ry, 5, 6);
BufferArea <int> area = buffer.GetArea(r);
int value = area[x, y];
int expected = ((ry + y) * 100) + rx + x;
Assert.Equal(expected, value);
}
/// <summary>
/// Copy block data into the destination color buffer pixel area with the provided horizontal and vertical.
/// </summary>
public void CopyTo(BufferArea <float> area, int horizontalScale, int verticalScale)
{
if (horizontalScale == 1 && verticalScale == 1)
{
this.CopyTo(area);
return;
}
else if (horizontalScale == 2 && verticalScale == 2)
{
this.CopyTo2x2(area);
return;
}
ref float destBase = ref area.GetReferenceToOrigin();
public void GetSubArea()
{
using Buffer2D <int> buffer = this.CreateTestBuffer(20, 30);
BufferArea <int> area0 = buffer.GetArea(6, 8, 10, 10);
BufferArea <int> area1 = area0.GetSubArea(4, 4, 5, 5);
var expectedRect = new Rectangle(10, 12, 5, 5);
Assert.Equal(buffer, area1.DestinationBuffer);
Assert.Equal(expectedRect, area1.Rectangle);
int value00 = (12 * 100) + 10;
Assert.Equal(value00, area1[0, 0]);
}
public void Copy1x1Scale()
{
Block8x8F block = CreateRandomFloatBlock(0, 100);
using (Buffer2D <float> buffer = Configuration.Default.MemoryAllocator.Allocate2D <float>(20, 20, AllocationOptions.Clean))
{
BufferArea <float> area = buffer.GetArea(5, 10, 8, 8);
block.Copy1x1Scale(area);
Assert.Equal(block[0, 0], buffer[5, 10]);
Assert.Equal(block[1, 0], buffer[6, 10]);
Assert.Equal(block[0, 1], buffer[5, 11]);
Assert.Equal(block[0, 7], buffer[5, 17]);
Assert.Equal(block[63], buffer[12, 17]);
VerifyAllZeroOutsideSubArea(buffer, 5, 10);
}
}
//[Fact]
public void Unscaled()
{
Block8x8F block = CreateRandomFloatBlock(0, 100);
using (var buffer = Configuration.Default.MemoryManager.Allocate2D <float>(20, 20))
{
BufferArea <float> area = buffer.GetArea(5, 10, 8, 8);
block.CopyTo(area);
Assert.Equal(block[0, 0], buffer[5, 10]);
Assert.Equal(block[1, 0], buffer[6, 10]);
Assert.Equal(block[0, 1], buffer[5, 11]);
Assert.Equal(block[0, 7], buffer[5, 17]);
Assert.Equal(block[63], buffer[12, 17]);
VerifyAllZeroOutsideSubArea(buffer, 5, 10);
}
}
public ResizeWorker(
Configuration configuration,
BufferArea <TPixel> source,
PixelConversionModifiers conversionModifiers,
ResizeKernelMap horizontalKernelMap,
ResizeKernelMap verticalKernelMap,
int destWidth,
Rectangle targetWorkingRect,
Point targetOrigin)
{
this.configuration = configuration;
this.source = source;
this.sourceRectangle = source.Rectangle;
this.conversionModifiers = conversionModifiers;
this.horizontalKernelMap = horizontalKernelMap;
this.verticalKernelMap = verticalKernelMap;
this.destWidth = destWidth;
this.targetWorkingRect = targetWorkingRect;
this.targetOrigin = targetOrigin;
this.windowBandHeight = verticalKernelMap.MaxDiameter;
// We need to make sure the working buffer is contiguous:
int workingBufferLimitHintInBytes = Math.Min(
configuration.WorkingBufferSizeHintInBytes,
configuration.MemoryAllocator.GetBufferCapacityInBytes());
int numberOfWindowBands = ResizeHelper.CalculateResizeWorkerHeightInWindowBands(
this.windowBandHeight,
destWidth,
workingBufferLimitHintInBytes);
this.workerHeight = Math.Min(this.sourceRectangle.Height, numberOfWindowBands * this.windowBandHeight);
this.transposedFirstPassBuffer = configuration.MemoryAllocator.Allocate2D <Vector4>(
this.workerHeight,
destWidth,
AllocationOptions.Clean);
this.tempRowBuffer = configuration.MemoryAllocator.Allocate <Vector4>(this.sourceRectangle.Width);
this.tempColumnBuffer = configuration.MemoryAllocator.Allocate <Vector4>(destWidth);
this.currentWindow = new RowInterval(0, this.workerHeight);
}
public void GetRowSpan(int bufferCapacity, int rx, int ry, int y, int w, int h)
{
this.memoryAllocator.BufferCapacityInBytes = sizeof(int) * bufferCapacity;
using Buffer2D <int> buffer = this.CreateTestBuffer(20, 30);
var r = new Rectangle(rx, ry, w, h);
BufferArea <int> area = buffer.GetArea(r);
Span <int> span = area.GetRowSpan(y);
Assert.Equal(w, span.Length);
for (int i = 0; i < w; i++)
{
int expected = ((ry + y) * 100) + rx + i;
int value = span[i];
Assert.Equal(expected, value);
}
}
public void GetRowSpan(int rx, int ry, int y, int w, int h)
{
using (Buffer2D <int> buffer = CreateTestBuffer(20, 30))
{
Rectangle r = new Rectangle(rx, ry, w, h);
BufferArea <int> area = buffer.GetArea(r);
Span <int> span = area.GetRowSpan(y);
Assert.Equal(w, span.Length);
for (int i = 0; i < w; i++)
{
int expected = (ry + y) * 100 + rx + i;
int value = span[i];
Assert.Equal(expected, value);
}
}
}
// [MethodImpl(MethodImplOptions.AggressiveInlining)]
public void CopyTo(BufferArea <float> area)
{
ref byte selfBase = ref Unsafe.As <Block8x8F, byte>(ref this);
/// <summary>
/// Processes 'sourceBlock' producing Jpeg color channel values from spectral values:
/// - Dequantize
/// - Applying IDCT
/// - Level shift by +128, clip to [0, 255]
/// - Copy the resultin color values into 'destArea' scaling up the block by amount defined in <see cref="subSamplingDivisors"/>
/// </summary>
public void ProcessBlockColorsInto(
ref Block8x8 sourceBlock,
BufferArea <float> destArea)
{
ref Block8x8F b = ref this.SourceBlock;
/// <inheritdoc/>
protected override void OnFrameApply(ImageFrame <TPixel> source, ImageFrame <TPixel> destination)
{
Rectangle sourceRectangle = this.SourceRectangle;
Configuration configuration = this.Configuration;
// Handle resize dimensions identical to the original
if (source.Width == destination.Width && source.Height == destination.Height && sourceRectangle == this.targetRectangle)
{
// The cloned will be blank here copy all the pixel data over
source.GetPixelSpan().CopyTo(destination.GetPixelSpan());
return;
}
int width = this.targetWidth;
int height = this.targetHeight;
int sourceX = sourceRectangle.X;
int sourceY = sourceRectangle.Y;
int startY = this.targetRectangle.Y;
int startX = this.targetRectangle.X;
var targetWorkingRect = Rectangle.Intersect(
this.targetRectangle,
new Rectangle(0, 0, width, height));
if (this.resampler is NearestNeighborResampler)
{
// Scaling factors
float widthFactor = sourceRectangle.Width / (float)this.targetRectangle.Width;
float heightFactor = sourceRectangle.Height / (float)this.targetRectangle.Height;
ParallelHelper.IterateRows(
targetWorkingRect,
configuration,
rows =>
{
for (int y = rows.Min; y < rows.Max; y++)
{
// Y coordinates of source points
Span <TPixel> sourceRow = source.GetPixelRowSpan((int)(((y - startY) * heightFactor) + sourceY));
Span <TPixel> targetRow = destination.GetPixelRowSpan(y);
for (int x = targetWorkingRect.Left; x < targetWorkingRect.Right; x++)
{
// X coordinates of source points
targetRow[x] = sourceRow[(int)(((x - startX) * widthFactor) + sourceX)];
}
}
});
return;
}
PixelConversionModifiers conversionModifiers =
PixelConversionModifiers.Premultiply.ApplyCompanding(this.compand);
BufferArea <TPixel> sourceArea = source.PixelBuffer.GetArea(sourceRectangle);
// To reintroduce parallel processing, we to launch multiple workers
// for different row intervals of the image.
using (var worker = new ResizeWorker <TPixel>(
configuration,
sourceArea,
conversionModifiers,
this.horizontalKernelMap,
this.verticalKernelMap,
width,
targetWorkingRect,
this.targetRectangle.Location))
{
worker.Initialize();
var workingInterval = new RowInterval(targetWorkingRect.Top, targetWorkingRect.Bottom);
worker.FillDestinationPixels(workingInterval, destination.PixelBuffer);
}
}
public void Setup()
{
this.buffer = Configuration.Default.MemoryAllocator.Allocate2D <float>(1000, 500);
this.destArea = this.buffer.GetArea(200, 100, 128, 128);
}
public override void Init()
{
base.Init();
buffer = ConsoleRenderer.ActiveBuffer;
textBox = new TextBox(controlManager)
{
Width = 34,
Height = 13,
Text = "Hello there",
Attributes = CharAttribute.ForegroundWhite | CharAttribute.BackgroundDarkRed,
WordBreak = WordBreak.Hard,
TextAlign = TextAlign.Left
};
textBox.Text = lorem;
textBox.MousePressed += TextBox_MousePressed;
textBox.Visible = false;
//textBox.MouseReleased += TextBox_MouseReleased;
dataBox = new TextBox(controlManager)
{
Width = 20,
Height = 2,
Name = "hello",
Text = textBox.Rectangle.Size.ToString(),
Attributes = CharAttribute.ForegroundGreen
};
dataBox.Width = dataBox.Text.Length;
dataBox.Visible = false;
vs = new VerticalScrollbar(controlManager)
{
Height = 5,
Left = 20,
Top = 4
};
hs = new HorizontalScrollbar(controlManager)
{
Width = 10,
Left = 3,
Top = Height - 1
};
new ScrollableTextBox(controlManager)
{
Width = 20,
Height = 5
};
colorfulString = new ColorfulString
{
Value = new string(Enumerable.Repeat('A', Enum.GetValues(typeof(CharAttribute)).Length - 0).ToArray()),
ColorThing = ColorSelectMode.Repeat,
Attributes = (CharAttribute[])Enum.GetValues(typeof(CharAttribute))
};
strings = new string[]
{
"Haha",
"Console",
"Go",
"Brrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrr"
}.NormalizeLengths()
.PadAround(2);
int ratioX = 2;
int ratioY = 1;
int scale = 2;
int spacingX = ratioX * scale;
int spacingY = ratioY * scale;
int pieceWidth = 2;
int pieceHeight = 1;
int tileWidth = pieceWidth + spacingX * 2;
int tileHeight = pieceHeight + spacingY * 2;
square = new CharInfo[8 * tileHeight, 8 * tileWidth];
for (int y = 0; y < square.GetLength(0); y++)
{
for (int x = 0; x < square.GetLength(1); x++)
{
square[y, x].Attributes |= ((x / tileWidth + y / tileHeight) % 2 == 0
? CharAttribute.BackgroundGrey | CharAttribute.ForegroundBlack
: CharAttribute.BackgroundBlack | CharAttribute.ForegroundWhite);
}
}
for (int y = 0; y < square.GetLength(0); y++)
{
for (int x = 0; x < square.GetLength(1); x++)
{
if (x % tileWidth == 0 && y % tileHeight == 0)
{
int px = x + spacingX;
int py = y + spacingY;
square[py, px].UnicodeChar = '♕';
square[py, px].Attributes |= CharAttribute.LeadingByte;
var yellow = CharAttribute.BackgroundYellow | CharAttribute.ForegroundBlack;
var marker = new CharInfo
{
UnicodeChar = ShadingCharacter.Light,
Attributes = yellow
};
}
}
}
backface = new BufferArea(square.GetLength(1) + 4, square.GetLength(0) + 2);
CharInfo backChar = new CharInfo
{
UnicodeChar = ShadingCharacter.Dark,
Attributes = CharAttribute.BackgroundDarkGrey
};
backface.Fill(backChar);
//Draw();
ConsoleInput.KeyPressed += ConsoleInput_KeyPressed;
ConsoleInput.KeyHeld += ConsoleInput_KeyPressed;
ConsoleInput.MouseReleased += TextBox_MouseReleased;
ConsoleInput.MouseDragged += ConsoleInput_MouseDragged;
ConsoleInput.Resized += ConsoleInput_Resized;
//ConsoleInput.Resized += delegate
//{
// Draw();
//};
Draw();
}
