diff --git a/libexeinfo/Os2/Bitmap.cs b/libexeinfo/Os2/Bitmap.cs
index ee77247..8fdc0f4 100644
--- a/libexeinfo/Os2/Bitmap.cs
+++ b/libexeinfo/Os2/Bitmap.cs
@@ -58,6 +58,8 @@ namespace libexeinfo.Os2
///
public const ushort TYPE_BITMAP_ARRAY = 0x4142;
+ const int VISIBLE = -16777216;
+
///
/// This will decode a bitmap array, or if data is not an array, return an array with the single bitmap element
///
@@ -74,9 +76,7 @@ namespace libexeinfo.Os2
bitmapArrayHeader = BigEndianMarshal.ByteArrayToStructureLittleEndian(buffer);
bitmapFileHeader = BigEndianMarshal.ByteArrayToStructureLittleEndian(buffer);
- List headers = new List();
- List palettes = new List();
- List datas = new List();
+ List bitmaps = new List();
do
{
@@ -118,26 +118,94 @@ namespace libexeinfo.Os2
palette[i] = BigEndianMarshal.ByteArrayToStructureLittleEndian(buffer);
}
- headers.Add(bitmapFileHeader);
- palettes.Add(palette);
remaining -= bitmapFileHeader.Fix;
// rgb[1];
remaining -= 1;
buffer = new byte[bitmapFileHeader.X * bitmapFileHeader.Y * bitmapFileHeader.BitsPerPlane / 8];
Array.Copy(data, bitmapFileHeader.Offset, buffer, 0, buffer.Length);
- datas.Add(buffer);
+
+ DecodedBitmap bitmap = DecodeBitmap(bitmapFileHeader, palette, buffer);
+
+ // Mask palette
+ int[] argbPalette = new int[palette.Length];
+ for(int c = 0; c < palette.Length; c++)
+ argbPalette[c] = (palette[c].Red << 16) + (palette[c].Green << 8) + palette[c].Blue;
+
+ // First image, then mask
+ if(bitmapFileHeader.Type == TYPE_ICON || bitmapFileHeader.Type == TYPE_POINTER)
+ {
+ int[] icon = new int[bitmap.Width * bitmap.Height / 2];
+ int[] mask = new int[bitmap.Width * bitmap.Height / 2];
+ Array.Copy(bitmap.Pixels, 0, icon, 0, icon.Length);
+ Array.Copy(bitmap.Pixels, icon.Length, mask, 0, mask.Length);
+
+ bitmap.Pixels = new int[bitmap.Width * bitmap.Height / 2];
+ bitmap.Height /= 2;
+ for(int px = 0; px < bitmap.Pixels.Length; px++)
+ bitmap.Pixels[px] = icon[px] + (mask[px] == argbPalette[0] ? VISIBLE : 0);
+ }
+ // We got the mask, now we need to read the color
+ else if(bitmapFileHeader.Type == TYPE_COLOR_ICON || bitmapFileHeader.Type == TYPE_COLOR_POINTER)
+ {
+ DecodedBitmap mask = bitmap;
+
+ buffer = new byte[Marshal.SizeOf(typeof(BitmapInfoHeader))];
+ Array.Copy(data, pos, buffer, 0, buffer.Length);
+ bitmapFileHeader = BigEndianMarshal.ByteArrayToStructureLittleEndian(buffer);
+
+ // Stop at unknown header
+ if(bitmapFileHeader.Size != Marshal.SizeOf(typeof(BitmapInfoHeader))) break;
+
+ // Multiplanes not supported
+ if(bitmapFileHeader.Planes != 1) break;
+
+ // TODO: Non paletted?
+ pos += bitmapFileHeader.Size;
+ palette = new RGB[1 << bitmapFileHeader.BitsPerPlane];
+ buffer = new byte[Marshal.SizeOf(typeof(RGB))];
+ for(int i = 0; i < palette.Length; i++)
+ {
+ Array.Copy(data, pos, buffer, 0, buffer.Length);
+ pos += buffer.Length;
+ palette[i] = BigEndianMarshal.ByteArrayToStructureLittleEndian(buffer);
+ }
+
+ remaining -= bitmapFileHeader.Fix;
+ // rgb[1];
+ remaining -= 1;
+
+ buffer = new byte[bitmapFileHeader.X * bitmapFileHeader.Y * bitmapFileHeader.BitsPerPlane / 8];
+ Array.Copy(data, bitmapFileHeader.Offset, buffer, 0, buffer.Length);
+
+ bitmap = DecodeBitmap(bitmapFileHeader, palette, buffer);
+
+ for(int px = 0; px < bitmap.Pixels.Length; px++)
+ bitmap.Pixels[px] = bitmap.Pixels[px] +
+ (mask.Pixels[px + bitmapFileHeader.X * bitmapFileHeader.Y] ==
+ argbPalette[0]
+ ? VISIBLE
+ : 0);
+ }
+ // Not an icon, all pixels are visible
+ else
+ for(int px = 0; px < bitmap.Pixels.Length; px++)
+ bitmap.Pixels[px] = bitmap.Pixels[px] + VISIBLE;
+
+ // OS/2 coordinate 0,0 is lower,left, so need to reverse first all pixels then by line
+ int[] pixels = bitmap.Pixels.Reverse().ToArray();
+ for(int y = 0; y < bitmap.Height; y++)
+ for(int x = 0; x < bitmap.Width; x++)
+ bitmap.Pixels[y * bitmap.Width + (bitmap.Width - x - 1)] = pixels[y * bitmap.Width + x];
+
+ bitmaps.Add(bitmap);
}
pos = bitmapArrayHeader.Next;
}
while(bitmapArrayHeader.Next != 0);
- DecodedBitmap[] bitmaps = new DecodedBitmap[datas.Count];
-
- for(int b = 0; b < bitmaps.Length; b++) bitmaps[b] = DecodeBitmap(headers[b], palettes[b], datas[b]);
-
- return bitmaps;
+ return bitmaps.ToArray();
}
static DecodedBitmap DecodeBitmap(BitmapInfoHeader header, IList palette, byte[] data)
@@ -172,8 +240,7 @@ namespace libexeinfo.Os2
default: return null;
}
- const int VISIBLE = -16777216;
- int[] argbPalette = new int[palette.Count];
+ int[] argbPalette = new int[palette.Count];
for(int c = 0; c < palette.Count; c++)
argbPalette[c] = (palette[c].Red << 16) + (palette[c].Green << 8) + palette[c].Blue;
@@ -198,26 +265,6 @@ namespace libexeinfo.Os2
pos += pos % 2;
}
- // First image, then mask
- if(header.Type == TYPE_ICON || header.Type == TYPE_POINTER)
- {
- int[] icon = new int[bitmap.Width * bitmap.Height / 2];
- int[] mask = new int[bitmap.Width * bitmap.Height / 2];
- Array.Copy(bitmap.Pixels, 0, icon, 0, icon.Length);
- Array.Copy(bitmap.Pixels, icon.Length, mask, 0, mask.Length);
-
- bitmap.Pixels = new int[bitmap.Width * bitmap.Height / 2];
- bitmap.Height /= 2;
- for(int px = 0; px < bitmap.Pixels.Length; px++)
- bitmap.Pixels[px] = icon[px] + (mask[px] == argbPalette[0] ? VISIBLE : 0);
- }
-
- // OS/2 coordinate 0,0 is lower,left, so need to reverse first all pixels then by line
- int[] pixels = bitmap.Pixels.Reverse().ToArray();
- for(int y = 0; y < bitmap.Height; y++)
- for(int x = 0; x < bitmap.Width; x++)
- bitmap.Pixels[y * bitmap.Width + (bitmap.Width - x - 1)] = pixels[y * bitmap.Width + x];
-
return bitmap;
}