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Run TidyCode on all new classes

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tznind
2024-10-10 12:41:43 +01:00
parent 5a6aae694a
commit bcdb11e2f6
12 changed files with 145 additions and 140 deletions
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75
Terminal.Gui/Drawing/SixelEncoder.cs
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@@ -4,12 +4,10 @@
// libsixel (C/C++) - https://github.com/saitoha/libsixel
// Copyright (c) 2014-2016 Hayaki Saito @license MIT
using Terminal.Gui;
namespace Terminal.Gui;
/// <summary>
/// Encodes a images into the sixel console image output format.
/// Encodes a images into the sixel console image output format.
/// </summary>
public class SixelEncoder
{
@@ -35,32 +33,29 @@ public class SixelEncoder
*/
/// <summary>
/// Gets or sets the quantizer responsible for building a representative
/// limited color palette for images and for mapping novel colors in
/// images to their closest palette color
/// Gets or sets the quantizer responsible for building a representative
/// limited color palette for images and for mapping novel colors in
/// images to their closest palette color
/// </summary>
public ColorQuantizer Quantizer { get; set; } = new ();
/// <summary>
/// Encode the given bitmap into sixel encoding
/// Encode the given bitmap into sixel encoding
/// </summary>
/// <param name="pixels"></param>
/// <returns></returns>
public string EncodeSixel (Color [,] pixels)
{
const string start = "\u001bP"; // Start sixel sequence
string defaultRatios = this.AnyHasAlphaOfZero(pixels) ? "0;1;0": "0;0;0"; // Defaults for aspect ratio and grid size
string defaultRatios = AnyHasAlphaOfZero (pixels) ? "0;1;0" : "0;0;0"; // Defaults for aspect ratio and grid size
const string completeStartSequence = "q"; // Signals beginning of sixel image data
const string noScaling = "\"1;1;"; // no scaling factors (1x1);
string fillArea = GetFillArea (pixels);
string pallette = GetColorPalette (pixels );
string pallette = GetColorPalette (pixels);
string pixelData = WriteSixel (pixels);
@@ -71,15 +66,14 @@ public class SixelEncoder
private string WriteSixel (Color [,] pixels)
{
StringBuilder sb = new StringBuilder ();
var sb = new StringBuilder ();
int height = pixels.GetLength (1);
int width = pixels.GetLength (0);
// Iterate over each 'row' of the image. Because each sixel write operation
// outputs a screen area 6 pixels high (and 1+ across) we must process the image
// 6 'y' units at once (1 band)
for (int y = 0; y < height; y += 6)
for (var y = 0; y < height; y += 6)
{
sb.Append (ProcessBand (pixels, y, Math.Min (6, height - y), width));
@@ -107,18 +101,18 @@ public class SixelEncoder
Array.Fill (accu, (ushort)1);
Array.Fill (slots, (short)-1);
var usedColorIdx = new List<int> ();
var targets = new List<List<string>> ();
List<int> usedColorIdx = new List<int> ();
List<List<string>> targets = new List<List<string>> ();
// Process columns within the band
for (int x = 0; x < width; ++x)
for (var x = 0; x < width; ++x)
{
Array.Clear (code, 0, usedColorIdx.Count);
// Process each row in the 6-pixel high band
for (int row = 0; row < bandHeight; ++row)
for (var row = 0; row < bandHeight; ++row)
{
var color = pixels [x, startY + row];
Color color = pixels [x, startY + row];
int colorIndex = Quantizer.GetNearestColor (color);
@@ -129,12 +123,14 @@ public class SixelEncoder
if (slots [colorIndex] == -1)
{
targets.Add (new List<string> ());
targets.Add (new ());
if (x > 0)
{
last [usedColorIdx.Count] = 0;
accu [usedColorIdx.Count] = (ushort)x;
}
slots [colorIndex] = (short)usedColorIdx.Count;
usedColorIdx.Add (colorIndex);
}
@@ -143,7 +139,7 @@ public class SixelEncoder
}
// Handle transitions between columns
for (int j = 0; j < usedColorIdx.Count; ++j)
for (var j = 0; j < usedColorIdx.Count; ++j)
{
if (code [j] == last [j])
{
@@ -155,6 +151,7 @@ public class SixelEncoder
{
targets [j].Add (CodeToSixel (last [j], accu [j]));
}
last [j] = (sbyte)code [j];
accu [j] = 1;
}
@@ -162,7 +159,7 @@ public class SixelEncoder
}
// Process remaining data for this band
for (int j = 0; j < usedColorIdx.Count; ++j)
for (var j = 0; j < usedColorIdx.Count; ++j)
{
if (last [j] != 0)
{
@@ -172,7 +169,8 @@ public class SixelEncoder
// Build the final output for this band
var result = new StringBuilder ();
for (int j = 0; j < usedColorIdx.Count; ++j)
for (var j = 0; j < usedColorIdx.Count; ++j)
{
result.Append ($"#{usedColorIdx [j]}{string.Join ("", targets [j])}$");
}
@@ -182,7 +180,8 @@ public class SixelEncoder
private static string CodeToSixel (int code, int repeat)
{
char c = (char)(code + 63);
var c = (char)(code + 63);
if (repeat > 3)
{
return "!" + repeat + c;
@@ -205,16 +204,18 @@ public class SixelEncoder
{
Quantizer.BuildPalette (pixels);
StringBuilder paletteSb = new StringBuilder ();
var paletteSb = new StringBuilder ();
for (int i = 0; i < Quantizer.Palette.Count; i++)
for (var i = 0; i < Quantizer.Palette.Count; i++)
{
var color = Quantizer.Palette.ElementAt (i);
paletteSb.AppendFormat ("#{0};2;{1};{2};{3}",
i,
color.R * 100 / 255,
color.G * 100 / 255,
color.B * 100 / 255);
Color color = Quantizer.Palette.ElementAt (i);
paletteSb.AppendFormat (
"#{0};2;{1};{2};{3}",
i,
color.R * 100 / 255,
color.G * 100 / 255,
color.B * 100 / 255);
}
return paletteSb.ToString ();
@@ -227,15 +228,16 @@ public class SixelEncoder
return $"{widthInChars};{heightInChars}";
}
private bool AnyHasAlphaOfZero (Color [,] pixels)
{
int width = pixels.GetLength (0);
int height = pixels.GetLength (1);
// Loop through each pixel in the 2D array
for (int x = 0; x < width; x++)
for (var x = 0; x < width; x++)
{
for (int y = 0; y < height; y++)
for (var y = 0; y < height; y++)
{
// Check if the alpha component (A) is 0
if (pixels [x, y].A == 0)
@@ -244,6 +246,7 @@ public class SixelEncoder
}
}
}
return false; // No pixel with A of 0 was found
}
}
}