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using System;
using System.Collections.Generic;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
namespace grapher.Models.Options.LUT
{
public class LUTPanelOptions : OptionBase
{
public const int PanelPadding = 5;
public const int PanelHeight = 100;
public LUTPanelOptions(RichTextBox pointsTextBox, RichTextBox activeValuesTextBox)
{
PointsTextBox = pointsTextBox;
PointsTextBox.Height = PanelHeight;
ActiveValuesTextBox = activeValuesTextBox;
ActiveValuesTextBox.Height = PanelHeight;
ActiveValuesTextBox.ReadOnly = true;
}
public RichTextBox PointsTextBox
{
get;
}
public RichTextBox ActiveValuesTextBox
{
get;
}
public override bool Visible
{
get
{
return PointsTextBox.Visible || ShouldShow;
}
}
public override int Top
{
get
{
return PointsTextBox.Top;
}
set
{
PointsTextBox.Top = value;
ActiveValuesTextBox.Top = value;
}
}
public override int Height
{
get
{
return PointsTextBox.Height;
}
}
public override int Left
{
get
{
return PointsTextBox.Left;
}
set
{
PointsTextBox.Left = value;
AlignActivePanelToPointsTextBox();
}
}
public override int Width
{
get
{
return PointsTextBox.Width;
}
set
{
var panelWidth = value / 2 - PanelPadding;
PointsTextBox.Width = panelWidth;
ActiveValuesTextBox.Width = panelWidth;
AlignActivePanelToPointsTextBox();
}
}
private bool ShouldShow { get; set; }
public override void Hide()
{
PointsTextBox.Hide();
ActiveValuesTextBox.Hide();
ShouldShow = false;
}
public override void Show(string name)
{
PointsTextBox.Show();
ActiveValuesTextBox.Show();
ShouldShow = true;
}
public override void AlignActiveValues()
{
// Nothing to do here.
}
public void SetActiveValues(IEnumerable<float> rawData, int length, AccelMode mode)
{
if (mode == AccelMode.lut && length > 1 && rawData.First() != 0)
{
var pointsLen = length / 2;
var points = new Vec2<float>[pointsLen];
for (int i = 0; i < pointsLen; i++)
{
var data_idx = i * 2;
points[i] = new Vec2<float>
{
x = rawData.ElementAt(data_idx),
y = rawData.ElementAt(data_idx + 1)
};
}
ActiveValuesTextBox.Text = PointsToActiveValuesText(points, pointsLen);
if (string.IsNullOrWhiteSpace(PointsTextBox.Text))
{
PointsTextBox.Text = PointsToEntryTextBoxText(points, pointsLen);
}
}
else
{
ActiveValuesTextBox.Text = string.Empty;
}
}
public (Vec2<float>[], int length) GetPoints()
{
return UserTextToPoints(PointsTextBox.Text);
}
private static (Vec2<float>[], int length) UserTextToPoints(string userText)
{
if (string.IsNullOrWhiteSpace(userText))
{
throw new ApplicationException("Text must be entered in text box to fill Look Up Table.");
}
Vec2<float>[] points = new Vec2<float>[AccelArgs.MaxLutPoints];
var userTextSplit = userText.Trim().Trim(';').Split(';');
int index = 0;
float lastX = 0;
int pointsCount = userTextSplit.Count();
if (pointsCount < 2)
{
throw new ApplicationException("At least 2 points required");
}
if (pointsCount > AccelArgs.MaxLutPoints)
{
throw new ApplicationException($"Number of points exceeds max ({AccelArgs.MaxLutPoints})");
}
foreach(var pointEntry in userTextSplit)
{
var pointSplit = pointEntry.Trim().Split(',');
if (pointSplit.Length != 2)
{
throw new ApplicationException($"Point at index {index} is malformed. Expected format: x,y; Given: {pointEntry.Trim()}");
}
float x;
float y;
try
{
x = float.Parse(pointSplit[0]);
}
catch (Exception ex)
{
throw new ApplicationException($"X-value for point at index {index} is malformed. Expected: float. Given: {pointSplit[0]}", ex);
}
if (x <= 0)
{
throw new ApplicationException($"X-value for point at index {index} is less than or equal to 0. Point (0,0) is implied and should not be specified in points text.");
}
if (x <= lastX)
{
throw new ApplicationException($"X-value for point at index {index} is less than or equal to previous x-value. Value: {x} Previous: {lastX}");
}
lastX = x;
try
{
y = float.Parse(pointSplit[1]);
}
catch (Exception ex)
{
throw new ApplicationException($"Y-value for point at index {index} is malformed. Expected: float. Given: {pointSplit[1]}", ex);
}
if (y <= 0)
{
throw new ApplicationException($"Y-value for point at index {index} is less than or equal to 0. Value: {y}");
}
points[index] = new Vec2<float> { x = x, y = y };
index++;
}
return (points, userTextSplit.Length);
}
private void AlignActivePanelToPointsTextBox()
{
ActiveValuesTextBox.Left = PointsTextBox.Right + PanelPadding;
}
private string PointsToActiveValuesText(IEnumerable<Vec2<float>> points, int length)
{
StringBuilder builder = new StringBuilder();
for(int i = 0; i < length; i++)
{
var point = points.ElementAt(i);
builder.AppendLine($"{point.x},{point.y};");
}
return builder.ToString();
}
private string PointsToEntryTextBoxText(IEnumerable<Vec2<float>> points, int length)
{
StringBuilder builder = new StringBuilder();
for(int i = 0; i < length; i++)
{
var point = points.ElementAt(i);
builder.Append($"{point.x},{point.y};");
}
return builder.ToString();
}
}
}
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