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this SOMEWHAT works for monochrome BMP, but is fuzzy and I don't know why

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This commit is contained in:
Michael Becker 2020-09-12 07:04:32 -04:00
parent a906a8bff3
commit fa58f1cd32
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GPG Key ID: 506F54899E2BFED7
1 changed files with 30 additions and 7 deletions
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37
Plugins/UniversalEditor.Plugins.Multimedia/DataFormats/Multimedia/Picture/Microsoft/Bitmap/BitmapDataFormat.cs
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@ -125,6 +125,13 @@ namespace UniversalEditor.DataFormats.Multimedia.Picture.Microsoft.Bitmap
switch (PixelDepth)
{
case BitmapBitsPerPixel.Monochrome:
{
// HACK: i have no idea what I'm doing
bitmapPaletteEntrySize = 3;
paletteSize = 6;
break;
}
case BitmapBitsPerPixel.Color256:
{
bitmapPaletteEntrySize = 4;
@ -141,7 +148,11 @@ namespace UniversalEditor.DataFormats.Multimedia.Picture.Microsoft.Bitmap
break;
}
}
int numPaletteEntries = paletteSize / bitmapPaletteEntrySize; // 14 / 4 = 3
int numPaletteEntries = 0;
if (bitmapPaletteEntrySize > 0)
{
numPaletteEntries = paletteSize / bitmapPaletteEntrySize; // 14 / 4 = 3
}
if (header.UsedColorIndexCount > 0)
numPaletteEntries = header.UsedColorIndexCount; // use this, it's more accurate if available
@ -151,6 +162,15 @@ namespace UniversalEditor.DataFormats.Multimedia.Picture.Microsoft.Bitmap
byte b = 0, g = 0, r = 0, a = 255;
switch (PixelDepth)
{
case BitmapBitsPerPixel.Monochrome:
{
b = br.ReadByte();
g = br.ReadByte();
r = br.ReadByte();
a = br.ReadByte();
a = 255;
break;
}
case BitmapBitsPerPixel.TrueColor:
{
b = br.ReadByte();
@ -207,13 +227,16 @@ namespace UniversalEditor.DataFormats.Multimedia.Picture.Microsoft.Bitmap
case BitmapBitsPerPixel.Monochrome:
{
// TODO: Figure out how to read this bitmap
if (bitsRead == 0) bitRead = br.ReadByte();
if (bitsRead == 0)
{
bitRead = br.ReadByte();
}
b = (byte)(bitRead << (bitsRead));
g = (byte)(bitRead << (bitsRead + 1));
r = (byte)(bitRead << (bitsRead + 2));
bitsRead += 3;
byte w = (byte)bitRead.GetBits(bitsRead, 1);
r = (byte)(palette[w].R * 255);
g = (byte)(palette[w].G * 255);
b = (byte)(palette[w].B * 255);
bitsRead++;
if (bitsRead == 8)
{
bitsRead = 0;