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Added writing of Chinese PAC

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This commit is contained in:
niksedk 2015-05-25 08:45:40 +02:00
parent 6cf1802e8c
commit 2d5bf6e462
3 changed files with 104 additions and 56 deletions
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5
src/Forms/PacEncoding.Designer.cs generated
View File

@ -1,6 +1,6 @@
namespace Nikse.SubtitleEdit.Forms
{
partial class PacEncoding
sealed partial class PacEncoding
{
/// <summary>
/// Required designer variable.
@ -47,7 +47,8 @@
"Arabic",
"Hebrew",
"Thai",
"Cyrillic"});
"Cyrillic",
"Chinese Traditional (Big5)"});
this.comboBoxCodePage.Location = new System.Drawing.Point(12, 37);
this.comboBoxCodePage.Name = "comboBoxCodePage";
this.comboBoxCodePage.Size = new System.Drawing.Size(203, 21);

35
src/Forms/PacEncoding.cs
View File

@ -1,5 +1,4 @@
using System;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using Nikse.SubtitleEdit.Logic;
@ -8,11 +7,11 @@ using Nikse.SubtitleEdit.Logic.SubtitleFormats;
namespace Nikse.SubtitleEdit.Forms
{
public partial class PacEncoding : Form
public sealed partial class PacEncoding : Form
{
public int CodePageIndex { get; set; }
private byte[] _previewBuffer;
private readonly byte[] _previewBuffer;
public PacEncoding(byte[] previewBuffer, string fileName)
{
@ -29,19 +28,7 @@ namespace Nikse.SubtitleEdit.Forms
textBoxPreview.Visible = false;
Height -= textBoxPreview.Height;
}
FixLargeFonts();
}
private void FixLargeFonts()
{
Graphics graphics = this.CreateGraphics();
SizeF textSize = graphics.MeasureString(buttonOK.Text, this.Font);
if (textSize.Height > buttonOK.Height - 4)
{
int newButtonHeight = (int)(textSize.Height + 7 + 0.5);
Utilities.SetButtonHeight(this, newButtonHeight, 1);
}
Utilities.FixLargeFonts(this, buttonOK);
}
private void PacEncoding_KeyDown(object sender, KeyEventArgs e)
@ -58,10 +45,10 @@ namespace Nikse.SubtitleEdit.Forms
if (_previewBuffer != null)
{
Encoding encoding = Pac.GetEncoding(CodePageIndex);
const int FEIndex = 0;
const int feIndex = 0;
const int endDelimiter = 0x00;
StringBuilder sb = new StringBuilder();
int index = FEIndex + 3;
var sb = new StringBuilder();
int index = feIndex + 3;
while (index < _previewBuffer.Length && _previewBuffer[index] != endDelimiter)
{
if (_previewBuffer[index] == 0xFE)
@ -71,20 +58,20 @@ namespace Nikse.SubtitleEdit.Forms
}
else if (_previewBuffer[index] == 0xFF)
sb.Append(' ');
else if (CodePageIndex == 0)
else if (CodePageIndex == Pac.CodePageLatin)
sb.Append(Pac.GetLatinString(encoding, _previewBuffer, ref index));
else if (CodePageIndex == 3)
else if (CodePageIndex == Pac.CodePageArabic)
sb.Append(Pac.GetArabicString(_previewBuffer, ref index));
else if (CodePageIndex == 4)
else if (CodePageIndex == Pac.CodePageHebrew)
sb.Append(Pac.GetHebrewString(_previewBuffer, ref index));
else if (CodePageIndex == 6)
else if (CodePageIndex == Pac.CodePageCyrillic)
sb.Append(Pac.GetCyrillicString(_previewBuffer, ref index));
else
sb.Append(encoding.GetString(_previewBuffer, index, 1));
index++;
}
if (CodePageIndex == 3)
if (CodePageIndex == Pac.CodePageArabic)
textBoxPreview.Text = Utilities.FixEnglishTextInRightToLeftLanguage(sb.ToString(), "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ");
else
textBoxPreview.Text = sb.ToString();

120
src/Logic/SubtitleFormats/Pac.cs
View File

@ -14,6 +14,15 @@ namespace Nikse.SubtitleEdit.Logic.SubtitleFormats
{
public static readonly TimeCode PacNullTime = new TimeCode(655, 35, 00, 0);
public const int CodePageLatin = 0;
public const int CodePageGreek = 1;
public const int CodePageLatinCzech = 2;
public const int CodePageArabic = 3;
public const int CodePageHebrew = 4;
public const int CodePageThai = 5;
public const int CodePageCyrillic = 6;
public const int CodePageChinese = 7;
/// <summary>
/// Contains Swedish, Danish, German, Spanish, and French letters
/// </summary>
@ -865,14 +874,16 @@ namespace Nikse.SubtitleEdit.Logic.SubtitleFormats
Encoding encoding = GetEncoding(_codePage);
byte[] textBuffer;
if (_codePage == 3)
if (_codePage == CodePageArabic)
textBuffer = GetArabicBytes(Utilities.FixEnglishTextInRightToLeftLanguage(text, "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"), alignment);
else if (_codePage == 4)
else if (_codePage == CodePageHebrew)
textBuffer = GetHebrewBytes(Utilities.FixEnglishTextInRightToLeftLanguage(text, "0123456789abcdefghijklmnopqrstuvwxyz"), alignment);
else if (_codePage == 0)
else if (_codePage == CodePageLatin)
textBuffer = GetLatinBytes(encoding, text, alignment);
else if (_codePage == 6)
else if (_codePage == CodePageCyrillic)
textBuffer = GetCyrillicBytes(text, alignment);
else if (_codePage == CodePageChinese)
textBuffer = GetChineseBig5Bytes(text, alignment);
else
textBuffer = encoding.GetBytes(text);
@ -1127,13 +1138,13 @@ namespace Nikse.SubtitleEdit.Logic.SubtitleFormats
sb.AppendLine();
index += 2;
}
else if (_codePage == 0)
else if (_codePage == CodePageLatin)
sb.Append(GetLatinString(GetEncoding(_codePage), buffer, ref index));
else if (_codePage == 3)
else if (_codePage == CodePageArabic)
sb.Append(GetArabicString(buffer, ref index));
else if (_codePage == 4)
else if (_codePage == CodePageHebrew)
sb.Append(GetHebrewString(buffer, ref index));
else if (_codePage == 6)
else if (_codePage == CodePageCyrillic)
sb.Append(GetCyrillicString(buffer, ref index));
else
{
@ -1147,7 +1158,7 @@ namespace Nikse.SubtitleEdit.Logic.SubtitleFormats
p.Text = sb.ToString();
p.Text = p.Text.Replace("\0", string.Empty);
p.Text = FixItalics(p.Text);
if (_codePage == 3)
if (_codePage == CodePageArabic)
p.Text = Utilities.FixEnglishTextInRightToLeftLanguage(p.Text, "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ");
if (verticalAlignment < 5)
@ -1235,19 +1246,19 @@ namespace Nikse.SubtitleEdit.Logic.SubtitleFormats
{
switch (codePage)
{
case 0: // Latin
case CodePageLatin:
return Encoding.GetEncoding("iso-8859-1");
case 1: // Greek
case CodePageGreek:
return Encoding.GetEncoding("iso-8859-7");
case 2: // Latin Czech
case CodePageLatinCzech:
return Encoding.GetEncoding("iso-8859-2");
case 3: // Arabic
case CodePageArabic:
return Encoding.GetEncoding("iso-8859-6");
case 4: // Hebrew
case CodePageHebrew:
return Encoding.GetEncoding("iso-8859-8");
case 5: // Thai
case CodePageThai:
return Encoding.GetEncoding("windows-874");
case 6: // Cyrillic
case CodePageCyrillic:
return Encoding.GetEncoding("iso-8859-5");
default: return Encoding.Default;
}
@ -1260,7 +1271,7 @@ namespace Nikse.SubtitleEdit.Logic.SubtitleFormats
byte[] buffer = FileUtil.ReadAllBytesShared(_fileName);
int index = 0;
int count = 0;
_codePage = 0;
_codePage = CodePageLatin;
while (index < buffer.Length)
{
int start = index;
@ -1269,7 +1280,7 @@ namespace Nikse.SubtitleEdit.Logic.SubtitleFormats
count++;
if (count == 2)
{
_codePage = 0;
_codePage = CodePageLatin;
var sb = new StringBuilder("ABCDEFGHIJKLMNOPPQRSTUVWXYZÆØÅÄÖÜabcdefghijklmnopqrstuvwxyzæøäåü(1234567890, .!?-\r\n'\"):;&");
foreach (string s in LatinLetters)
sb.Append(s);
@ -1284,9 +1295,9 @@ namespace Nikse.SubtitleEdit.Logic.SubtitleFormats
}
}
if (allOk)
return 0; // Latin
return CodePageLatin;
_codePage = 1;
_codePage = CodePageGreek;
index = start;
p = GetPacParagraph(ref index, buffer);
codePageLetters = "AαBβΓγΔδEϵεZζHηΘθIιKκΛλMμNνΞξOοΠπPρΣσςTτΥυΦϕφXχΨψΩω(1234567890, .!?-\r\n'\"):;&";
@ -1300,9 +1311,9 @@ namespace Nikse.SubtitleEdit.Logic.SubtitleFormats
}
}
if (allOk)
return 1; // Greek
return CodePageGreek;
_codePage = 3;
_codePage = CodePageArabic;
index = start;
p = GetPacParagraph(ref index, buffer);
sb = new StringBuilder("(1234567890, .!?-\r\n'\"):;&");
@ -1319,9 +1330,9 @@ namespace Nikse.SubtitleEdit.Logic.SubtitleFormats
}
}
if (allOk)
return 3; // Arabic
return CodePageArabic;
_codePage = 4;
_codePage = CodePageHebrew;
index = start;
p = GetPacParagraph(ref index, buffer);
sb = new StringBuilder("(1234567890, .!?-\r\n'\"):;&");
@ -1338,9 +1349,9 @@ namespace Nikse.SubtitleEdit.Logic.SubtitleFormats
}
}
if (allOk)
return 4; // Hebrew
return CodePageHebrew;
_codePage = 6;
_codePage = CodePageCyrillic;
index = start;
p = GetPacParagraph(ref index, buffer);
sb = new StringBuilder("(1234567890, .!?-\r\n'\"):;&");
@ -1357,16 +1368,16 @@ namespace Nikse.SubtitleEdit.Logic.SubtitleFormats
}
}
if (allOk)
return 6; // Cyrillic
return CodePageCyrillic;
return 0; // Latin
return CodePageLatin;
}
}
return 0; // Latin
return CodePageLatin;
}
catch
{
return 0; // Latin
return CodePageLatin;
}
}
@ -1580,6 +1591,55 @@ namespace Nikse.SubtitleEdit.Logic.SubtitleFormats
return result;
}
private static byte[] GetChineseBig5Bytes(string text, byte alignment)
{
var result = new List<byte>();
bool firstLine = true;
foreach (var line in text.SplitToLines())
{
if (!firstLine)
{
result.Add(0xfe);
result.Add(alignment);
result.Add(3);
}
if (OnlyAnsi(line))
{
foreach (var b in GetLatinBytes(GetEncoding(0), line, alignment))
{
result.Add(b);
}
}
else
{
result.Add(0x1f); // ?
result.Add(0x57); // W
result.Add(0x31); // 1
result.Add(0x36); // 6
result.Add(0x2e); // ?
foreach (var b in Encoding.GetEncoding(950).GetBytes(line))
{
result.Add(b);
}
}
firstLine = false;
}
return result.ToArray();
}
private static bool OnlyAnsi(string line)
{
string latin = Utilities.AllLettersAndNumbers + " .!?/%:;=()#$'&\"";
foreach (char ch in line)
{
if (!latin.Contains(ch))
return false;
}
return true;
}
public static string GetArabicString(byte[] buffer, ref int index)
{
byte b = buffer[index];