// Token: 0x06002B5E RID: 11102 RVA: 0x000A8FC0 File Offset: 0x000A71C0
private static void smethod_6(Stream reader, Class486.Class487 tbl)
{
reader.Position = (long)tbl.int_0;
int num = 0;
for (;;)
{
int num2 = reader.ReadByte();
int i = num2 & 127;
if (i == 0)
{
break;
}
if ((num2 & 128) > 0)
{
while (i > 0)
{
byte b = (byte)reader.ReadByte();
tbl.byte_0[num] = b;
i--;
num++;
}
}
else
{
byte b = (byte)reader.ReadByte();
while (i > 0)
{
tbl.byte_0[num] = b;
i--;
num++;
}
}
}
}
// Token: 0x06002B5F RID: 11103 RVA: 0x000A9040 File Offset: 0x000A7240
private static void smethod_7(Stream writer, Class486.Class487 tbl)
{
tbl.int_0 = (int)writer.Position;
int num = 0;
while (num != tbl.byte_0.Length)
{
byte b = tbl.byte_0[num];
int num2 = 1;
int num3 = num + 1;
while (num3 - num < 127 && num3 < tbl.byte_0.Length && tbl.byte_0[num3] == b)
{
num2++;
num3++;
}
int num4 = 1;
num3 = num + 1;
while (num3 - num < 127 && num3 + 1 < tbl.byte_0.Length && tbl.byte_0[num3] != tbl.byte_0[num3 + 1])
{
num4++;
num3 += 2;
}
if (num4 > 1)
{
writer.WriteByte((byte)(128 + num4));
tbl.int_1++;
for (int i = num; i < num + num4; i++)
{
writer.WriteByte(tbl.byte_0[i]);
tbl.int_1++;
}
num += num4;
}
else
{
writer.WriteByte((byte)num2);
tbl.int_1++;
writer.WriteByte(b);
tbl.int_1++;
num += num2;
}
}
writer.WriteByte(0);
tbl.int_1++;
}
// Token: 0x06002B5A RID: 11098 RVA: 0x000A88D0 File Offset: 0x000A6AD0
public static Bitmap smethod_2(Stream data_stream)
{
Bitmap result;
using (Stream3 stream = new Stream3(data_stream))
{
using (BinaryReader binaryReader = new BinaryReader(stream))
{
stream.smethod_36();
byte b = binaryReader.ReadByte();
binaryReader.ReadByte();
short num = stream.smethod_36();
short num2 = stream.smethod_36();
short num3 = stream.smethod_36();
short num4 = stream.smethod_36();
stream.smethod_34();
stream.smethod_34();
stream.smethod_34();
binaryReader.ReadBytes(80);
stream.smethod_34();
binaryReader.ReadBytes(404);
int num5 = (int)(num3 * num4);
Class486.Class487[] array = new Class486.Class487[num5];
int num6 = 0;
if (b == 1)
{
for (int i = 0; i < num5; i++)
{
array[i] = new Class486.Class487();
array[i].int_0 = stream.smethod_34();
}
for (int j = 0; j < num5; j++)
{
array[j].int_1 = stream.smethod_34();
}
for (int k = 0; k < num5; k++)
{
array[k].byte_0 = new byte[(int)num2];
}
Array.Reverse(array);
if (num == 1)
{
Class486.smethod_6(stream, array[0]);
}
else
{
if (num != 2)
{
if (num != 3)
{
throw new InvalidDataException("Invalid SGI image format.");
}
}
foreach (Class486.Class487 tbl in array)
{
Class486.smethod_6(stream, tbl);
num6++;
}
}
}
Struct33[,] array3 = new Struct33[(int)num2, (int)num3];
int num7 = 0;
num6 = 0;
bool flag;
if (num == 3)
{
switch (num4)
{
case 2:
flag = true;
for (int m = 0; m < (int)num4; m++)
{
int num8 = (int)num3 * m;
num7 = 0;
num6 = 0;
for (int n = num8; n < num8 + (int)num3; n++)
{
Class486.Class487 @class = array[n];
foreach (byte b2 in @class.byte_0)
{
switch (m)
{
case 0:
array3[num7, num6].A = b2;
break;
case 1:
array3[num7, num6].R = b2;
array3[num7, num6].G = b2;
array3[num7, num6].B = b2;
break;
}
num7++;
}
num7 = 0;
num6++;
}
}
break;
case 3:
case 4:
flag = (num4 == 4);
for (int num10 = (int)(num4 - 1); num10 >= 0; num10--)
{
int num11 = (int)num3 * ((int)num4 - num10 - 1);
num7 = 0;
num6 = 0;
for (int num12 = num11; num12 < num11 + (int)num3; num12++)
{
Class486.Class487 class2 = array[num12];
foreach (byte b3 in class2.byte_0)
{
switch (num10)
{
case 0:
array3[num7, num6].R = b3;
break;
case 1:
array3[num7, num6].G = b3;
break;
case 2:
array3[num7, num6].B = b3;
break;
case 3:
array3[num7, num6].A = b3;
break;
}
num7++;
}
num7 = 0;
num6++;
}
}
break;
default:
throw new NotSupportedException(string.Format("ZSIZE: '{0}' is not supported.", num4));
}
}
else
{
flag = true;
foreach (Class486.Class487 class3 in array)
{
foreach (byte b4 in class3.byte_0)
{
array3[num7, num6].R = b4;
array3[num7, num6].G = b4;
array3[num7, num6].B = b4;
array3[num7, num6].A = b4;
num7++;
}
num7 = 0;
num6++;
}
}
Bitmap bitmap = null;
try
{
if (flag)
{
bitmap = new Bitmap((int)num2, (int)num3, PixelFormat.Format32bppArgb);
}
else
{
bitmap = new Bitmap((int)num2, (int)num3, PixelFormat.Format32bppRgb);
}
Class486.smethod_3(bitmap, array3);
result = bitmap;
}
catch
{
if (bitmap != null)
{
bitmap.Dispose();
}
throw;
}
}
}
return(result);
}
// Token: 0x06002B58 RID: 11096 RVA: 0x000A8164 File Offset: 0x000A6364
public static void smethod_0(Stream data_stream, Stream destination_stream, Bitmap destination_bitmap, Color?backGroundColor, bool convert_to_grayscale, Enum14 format)
{
using (Bitmap bitmap = (Bitmap)Image.FromStream(data_stream))
{
if (destination_bitmap != null && backGroundColor != null)
{
if (destination_bitmap.Width == bitmap.Width)
{
if (destination_bitmap.Height == bitmap.Height)
{
using (Graphics graphics = Graphics.FromImage(destination_bitmap))
{
using (SolidBrush solidBrush = new SolidBrush(backGroundColor.Value))
{
graphics.SmoothingMode = SmoothingMode.HighQuality;
graphics.InterpolationMode = InterpolationMode.High;
graphics.CompositingQuality = CompositingQuality.HighQuality;
graphics.FillRectangle(solidBrush, 0, 0, destination_bitmap.Width, destination_bitmap.Height);
graphics.DrawImage(bitmap, 0, 0, bitmap.Width, bitmap.Height);
}
goto IL_B2;
}
}
}
throw new ArgumentException("Destination dimensions do not match source image dimensions.");
}
IL_B2:
if (convert_to_grayscale)
{
Class125.smethod_1(bitmap);
}
using (Stream3 stream = new Stream3(destination_stream))
{
using (BinaryWriter binaryWriter = new BinaryWriter(stream))
{
stream.smethod_37(Class486.short_0);
stream.WriteByte(1);
stream.WriteByte(1);
short num;
short value;
switch (format)
{
case Enum14.const_0:
num = 4;
value = 3;
break;
case Enum14.const_1:
num = 3;
value = 3;
break;
case Enum14.const_2:
num = 2;
value = 3;
break;
case Enum14.const_3:
num = 1;
value = 2;
break;
default:
throw new NotSupportedException(string.Format("The specified format: '{0}' is not supported.", format));
}
stream.smethod_37(value);
stream.smethod_37((short)bitmap.Width);
stream.smethod_37((short)bitmap.Height);
stream.smethod_37(num);
stream.smethod_35(0);
stream.smethod_35(255);
binaryWriter.Write(new byte[4]);
binaryWriter.Write(new byte[80]);
stream.smethod_35(0);
binaryWriter.Write(new byte[404]);
for (int i = 0; i < (int)num; i++)
{
for (int j = 0; j < bitmap.Height; j++)
{
stream.smethod_35(0);
}
for (int k = 0; k < bitmap.Height; k++)
{
stream.smethod_35(0);
}
}
Class486.Class487[] array = new Class486.Class487[bitmap.Height];
if (destination_bitmap == null)
{
array = new Class486.Class487[bitmap.Height * (int)num];
Struct33[,] array2 = new Struct33[bitmap.Width, bitmap.Height];
Class486.smethod_4(bitmap, array2);
switch (format)
{
case Enum14.const_0:
case Enum14.const_1:
for (int l = (int)(num - 1); l >= 0; l--)
{
int num2 = ((int)(num - 1) - l) * bitmap.Height;
for (int m = 0; m < bitmap.Height; m++)
{
Class486.Class487 @class = array[num2 + m] = new Class486.Class487();
@class.byte_0 = new byte[bitmap.Width];
for (int n = 0; n < bitmap.Width; n++)
{
switch (l)
{
case 0:
@class.byte_0[n] = array2[n, m].R;
break;
case 1:
@class.byte_0[n] = array2[n, m].G;
break;
case 2:
@class.byte_0[n] = array2[n, m].B;
break;
case 3:
@class.byte_0[n] = array2[n, m].A;
break;
}
}
}
}
break;
case Enum14.const_2:
for (int num3 = (int)(num - 1); num3 >= 0; num3--)
{
int num4 = ((int)(num - 1) - num3) * bitmap.Height;
for (int num5 = 0; num5 < bitmap.Height; num5++)
{
Class486.Class487 class2 = array[num4 + num5] = new Class486.Class487();
class2.byte_0 = new byte[bitmap.Width];
for (int num6 = 0; num6 < bitmap.Width; num6++)
{
switch (num3)
{
case 0:
class2.byte_0[num6] = array2[num6, num5].R;
break;
case 1:
class2.byte_0[num6] = array2[num6, num5].A;
break;
}
}
}
}
break;
case Enum14.const_3:
for (int num7 = 0; num7 < bitmap.Height; num7++)
{
array[num7] = new Class486.Class487();
array[num7].byte_0 = new byte[bitmap.Width];
for (int num8 = 0; num8 < bitmap.Width; num8++)
{
array[num7].byte_0[num8] = array2[num8, num7].R;
}
}
break;
default:
throw new NotSupportedException("Format not supported: " + format);
}
}
else
{
array = new Class486.Class487[bitmap.Height];
Color[,] array3 = new Color[bitmap.Width, bitmap.Height];
Class486.smethod_5(bitmap, array3);
for (int num9 = 0; num9 < bitmap.Height; num9++)
{
array[num9] = new Class486.Class487();
array[num9].byte_0 = new byte[bitmap.Width];
for (int num10 = 0; num10 < bitmap.Width; num10++)
{
array[num9].byte_0[num10] = array3[num10, num9].A;
}
}
}
foreach (Class486.Class487 tbl in array)
{
Class486.smethod_7(stream, tbl);
}
Array.Reverse(array);
binaryWriter.Seek(512, SeekOrigin.Begin);
foreach (Class486.Class487 class3 in array)
{
stream.smethod_35(class3.int_0);
}
foreach (Class486.Class487 class4 in array)
{
stream.smethod_35(class4.int_1);
}
}
}
}
}