public override Bitmap Draw(string filePath, Palette palette, BackgroundWorker worker)
{
if (palette.Colors.Count != 16)
{
throw new Exception("Palette mismatch.");
}
if (!File.Exists(filePath))
{
throw new Exception("File not found.");
}
if (new FileInfo(filePath).Length == 0)
{
return(new Bitmap(0, 0));
}
byte[] file = File.ReadAllBytes(filePath);
byte[] pixels = new byte[file.Length * 2];
file.Length.Times(i =>
{
pixels[(i * 2)] = (byte)(file[i] >> 4);
pixels[(i * 2) + 1] = (byte)(file[i] & 0xF);
});
FourBppBitmap bitmap = new FourBppBitmap(Drawer.GetImageSize(pixels.Length), pixels, palette.Colors.ToArray <Color>());
return(bitmap.ToBitmap(worker));
}
public override Bitmap Draw(string filePath, Palette palette, BackgroundWorker worker)
{
if (palette.Colors.Count != 4)
{
throw new Exception("Palette mismatch.");
}
if (!File.Exists(filePath))
{
throw new Exception("File not found.");
}
if (new FileInfo(filePath).Length == 0)
{
return(new Bitmap(0, 0));
}
byte[] bytes = File.ReadAllBytes(filePath);
byte[] twoBppValues = new byte[bytes.Length * 4];
bytes.Length.Times(i =>
{
twoBppValues[(i * 4)] = (byte)((bytes[i] & 0xC0) >> 6);
twoBppValues[(i * 4) + 1] = (byte)((bytes[i] & 0x30) >> 4);
twoBppValues[(i * 4) + 2] = (byte)((bytes[i] & 0x0C) >> 2);
twoBppValues[(i * 4) + 3] = (byte)((bytes[i] & 0x03));
});
TwoBppBitmap bitmap = new TwoBppBitmap(Drawer.GetImageSize(twoBppValues.Length), twoBppValues, palette.GetColor(0), palette.GetColor(1), palette.GetColor(2), palette.GetColor(3));
return(bitmap.ToBitmap(worker));
}
public override Bitmap Draw(string filePath, Palette palette, BackgroundWorker worker)
{
if (palette != null)
{
throw new Exception("24bpp mode does not accept palette.");
}
if (!File.Exists(filePath))
{
throw new Exception("File does not exist.");
}
if (new FileInfo(filePath).Length == 0)
{
return(new Bitmap(0, 0));
}
byte[] file = File.ReadAllBytes(filePath);
int[] pixels;
if (file.Length % 3 == 0)
{
pixels = new int[file.Length / 3];
}
else
{
int pixelCount = (int)Math.Floor(file.Length / 3m);
while (pixelCount % 3 != 0)
{
pixelCount++;
}
pixels = new int[pixelCount];
}
byte red, green, blue;
for (int i = 0; i < pixels.Length; i++)
{
// Pattern: xxRRGGBB
// Red byte comes from file[i * 3] shifted by 16
// Green byte comes from file[(i * 3) + 1] shifted by 8
// Blue byte comes from file[(i * 3) + 2] shifted by 8
red = (byte)((i * 3 < file.Length) ? file[i * 3] : 0);
green = (byte)((((i * 3) + 1) < file.Length) ? file[(i * 3) + 1] : 0);
blue = (byte)((((i * 3) + 2) < file.Length) ? file[(i * 3) + 2] : 0);
pixels[i] = (red << 16) + (green << 8) + blue;
}
return(new TwentyFourBppBitmap(Drawer.GetImageSize(pixels.Length), pixels).ToBitmap(worker));
}
public override Bitmap Draw(string filePath, Palette palette, BackgroundWorker worker)
{
if (palette != null)
{
throw new Exception("32bpp mode does not support palettes.");
}
if (!File.Exists(filePath))
{
throw new Exception("File does not exist.");
}
if (new FileInfo(filePath).Length == 0)
{
return(new Bitmap(0, 0));
}
byte[] file = File.ReadAllBytes(filePath);
int[] pixels;
if (file.Length % 4 == 0)
{
pixels = new int[file.Length / 4];
}
else
{
int pixelCount = file.Length / 4;
while (pixelCount % 4 != 0)
{
pixelCount++;
}
pixels = new int[pixelCount];
}
byte alpha, red, green, blue;
for (int i = 0; i < pixels.Length; i++)
{
alpha = (byte)((i * 4 < file.Length) ? file[i * 4] : 0);
red = (byte)((((i * 4) + 1) < file.Length) ? file[(i * 4) + 1] : 0);
green = (byte)((((i * 4) + 2) < file.Length) ? file[(i * 4) + 2] : 0);
blue = (byte)((((i * 4) + 3) < file.Length) ? file[(i * 4) + 3] : 0);
pixels[i] = (alpha << 24) + (red << 16) + (green << 8) + blue;
}
return(new ThirtyTwoBppBitmap(Drawer.GetImageSize(pixels.Length), pixels).ToBitmap(worker));
}
public override Bitmap Draw(string filePath, Palette palette, BackgroundWorker worker)
{
if (palette != null)
{
throw new Exception("16bpp mode doesn't accept palettes.");
}
if (!File.Exists(filePath))
{
throw new Exception("File not found.");
}
if (new FileInfo(filePath).Length == 0)
{
return(new Bitmap(0, 0));
}
byte[] file = File.ReadAllBytes(filePath);
ushort[] pixels;
if (file.Length % 2 == 0)
{
pixels = new ushort[file.Length / 2];
}
else
{
pixels = new ushort[file.Length / 2 + 1];
}
for (int i = 0; i < file.Length; i += 2)
{
if (i + 1 < file.Length)
{
int pixelIndex = i / 2;
pixels[pixelIndex] = (ushort)((file[i] << 8) + file[i + 1]);
}
else
{
int pixelIndex = i / 2;
pixels[pixelIndex] = (ushort)(file[i] << 8);
}
}
return(new SixteenBppBitmap(Drawer.GetImageSize(pixels.Length), pixels).ToBitmap(worker));
}
public override Bitmap Draw(string filePath, Palette palette, BackgroundWorker worker)
{
if (palette.Colors.Count != 2)
{
throw new Exception("Palette mismatch.");
}
if (!File.Exists(filePath))
{
throw new Exception("File not found.");
}
if (new FileInfo(filePath).Length == 0)
{
return(new Bitmap(0, 0));
}
BitArray bits = new BitArray(File.ReadAllBytes(filePath));
OneBppBitmap bitmap = new OneBppBitmap(Drawer.GetImageSize(bits.Length), bits, palette.GetColor(0), palette.GetColor(1));
return(bitmap.ToBitmap(worker));
}
public override Bitmap Draw(string filePath, Palette palette, BackgroundWorker worker)
{
if (palette.Colors.Count != 256)
{
throw new Exception("Palette mismatch.");
}
if (!File.Exists(filePath))
{
throw new Exception("File not found.");
}
if (new FileInfo(filePath).Length == 0)
{
return(new Bitmap(0, 0));
}
byte[] file = File.ReadAllBytes(filePath);
EightBppBitmap bitmap = new EightBppBitmap(Drawer.GetImageSize(file.Length), file, palette.Colors.ToArray());
return(bitmap.ToBitmap(worker));
}