public Reader(Stream stream, EpaMetaData info)
{
m_input = stream;
switch (info.ColorType)
{
case 0: m_pixel_size = 1; Format = PixelFormats.Indexed8; break;
case 1: m_pixel_size = 3; Format = PixelFormats.Bgr24; break;
case 2: m_pixel_size = 4; Format = PixelFormats.Bgra32; break;
case 3: m_pixel_size = 2; Format = PixelFormats.Bgr555; break;
case 4: m_pixel_size = 1; Format = PixelFormats.Indexed8; break;
default: throw new NotSupportedException("Not supported EPA color depth");
}
m_width = (int)info.Width;
m_height = (int)info.Height;
m_output = new byte[info.Width * info.Height * m_pixel_size];
if (8 == info.BPP)
{
Palette = ImageFormat.ReadPalette(m_input, 0x100, PaletteFormat.Bgr);
}
}
public override ImageMetaData ReadMetaData(IBinaryStream file)
{
var info = new EpaMetaData();
info.Mode = file.ReadInt32() >> 24;
info.ColorType = file.ReadInt32() & 0xff;
switch (info.ColorType)
{
case 0: info.BPP = 8; break;
case 1: info.BPP = 24; break;
case 2: info.BPP = 32; break;
case 3: info.BPP = 15; break;
case 4: info.BPP = 8; break;
default: return(null);
}
info.Width = file.ReadUInt32();
info.Height = file.ReadUInt32();
if (2 == info.Mode)
{
info.OffsetX = file.ReadInt32();
info.OffsetY = file.ReadInt32();
}
return(info);
}
public override ImageMetaData ReadMetaData(Stream stream)
{
using (var header = new ArcView.Reader(stream))
{
var info = new EpaMetaData();
info.Mode = header.ReadInt32() >> 24;
info.ColorType = header.ReadInt32() & 0xff;
switch (info.ColorType)
{
case 0: info.BPP = 8; break;
case 1: info.BPP = 24; break;
case 2: info.BPP = 32; break;
case 3: info.BPP = 15; break;
case 4: info.BPP = 8; break;
default: return(null);
}
info.Width = header.ReadUInt32();
info.Height = header.ReadUInt32();
if (2 == info.Mode)
{
info.OffsetX = header.ReadInt32();
info.OffsetY = header.ReadInt32();
}
return(info);
}
}
public override ImageMetaData ReadMetaData(IBinaryStream file)
{
var header = file.ReadHeader(16);
var info = new EpaMetaData {
Width = header.ToUInt32(8),
Height = header.ToUInt32(12),
Mode = header[3],
ColorType = header[4],
};
switch (info.ColorType)
{
case 0: info.BPP = 8; break;
case 1: info.BPP = 24; break;
case 2: info.BPP = 32; break;
case 3: info.BPP = 16; break;
case 4: info.BPP = 8; break;
default: return(null);
}
if (2 == info.Mode)
{
info.OffsetX = file.ReadInt32();
info.OffsetY = file.ReadInt32();
}
return(info);
}
public Reader(IBinaryStream stream, EpaMetaData info)
{
m_input = stream;
switch (info.ColorType)
{
case 0: m_pixel_size = 1; Format = PixelFormats.Indexed8; break;
case 1: m_pixel_size = 3; Format = PixelFormats.Bgr24; break;
case 2: m_pixel_size = 4; Format = PixelFormats.Bgra32; break;
case 3: m_pixel_size = 2; Format = PixelFormats.Bgr555; break;
case 4: m_pixel_size = 1; Format = PixelFormats.Bgra32; m_has_alpha = true; break;
default: throw new NotSupportedException("Not supported EPA color depth");
}
m_width = (int)info.Width;
m_height = (int)info.Height;
m_output = new byte[info.Width * info.Height * m_pixel_size];
m_start_pos = 2 == info.Mode ? 0x18 : 0x10;
}
public override ImageMetaData ReadMetaData(Stream stream)
{
using (var header = new ArcView.Reader (stream))
{
var info = new EpaMetaData();
info.Mode = header.ReadInt32() >> 24;
info.ColorType = header.ReadInt32() & 0xff;
switch (info.ColorType)
{
case 0: info.BPP = 8; break;
case 1: info.BPP = 24; break;
case 2: info.BPP = 32; break;
case 3: info.BPP = 15; break;
case 4: info.BPP = 8; break;
default: return null;
}
info.Width = header.ReadUInt32();
info.Height = header.ReadUInt32();
if (2 == info.Mode)
{
info.OffsetX = header.ReadInt32();
info.OffsetY = header.ReadInt32();
}
return info;
}
}
public Reader(Stream stream, EpaMetaData info)
{
m_input = stream;
switch (info.ColorType)
{
case 0: m_pixel_size = 1; Format = PixelFormats.Indexed8; break;
case 1: m_pixel_size = 3; Format = PixelFormats.Bgr24; break;
case 2: m_pixel_size = 4; Format = PixelFormats.Bgra32; break;
case 3: m_pixel_size = 2; Format = PixelFormats.Bgr555; break;
case 4: m_pixel_size = 1; Format = PixelFormats.Indexed8; break;
default: throw new NotSupportedException ("Not supported EPA color depth");
}
m_width = (int)info.Width;
m_height = (int)info.Height;
m_output = new byte[info.Width*info.Height*m_pixel_size];
if (8 == info.BPP)
ReadPalette();
}
