private async Task <CursorData> GetCursorDataAsync(ResourceLanguage language)
{
var buffer = await GetBytesAsync(language).ConfigureAwait(false);
byte[] dib;
bool isPNG;
ushort hotspotX;
ushort hotspotY;
ushort width;
ushort height;
byte colorCount;
using (var mem = new MemoryStream(buffer))
{
hotspotX = await mem.ReadUInt16Async().ConfigureAwait(false);
hotspotY = await mem.ReadUInt16Async().ConfigureAwait(false);
using (var dibMem = new MemoryStream(buffer.Length))
{
mem.CopyTo(dibMem, 4096);
dibMem.Seek(0, SeekOrigin.Begin);
dib = dibMem.ToArray();
isPNG = GraphicUtils.IsPNG(dib);
if (!isPNG)
{
var header = await dibMem.ReadStructAsync <BITMAPINFOHEADER>().ConfigureAwait(false);
width = header.biWidth.ToUInt16();
height = (header.biHeight / 2).ToUInt16();
colorCount = Convert.ToByte(header.biBitCount);
}
else
{
using (var png = System.Drawing.Image.FromStream(dibMem))
{
width = png.Width.ToUInt16();
height = png.Height.ToUInt16();
colorCount = 32;
}
}
}
}
var result = new CursorData()
{
HotspotX = hotspotX,
HotspotY = hotspotY,
Width = width,
Height = height,
ColorCount = colorCount,
DIB = dib,
IsPNG = isPNG
};
return(result);
}
private async Task <IconData> GetIconDataAsync(ResourceLanguage language)
{
var buffer = await GetBytesAsync(language).ConfigureAwait(false);
bool isPNG;
ushort width;
ushort height;
byte colorCount;
byte[] dib;
using (var mem = new MemoryStream(buffer))
{
isPNG = GraphicUtils.IsPNG(buffer);
if (!isPNG)
{
var header = await mem.ReadStructAsync <BITMAPINFOHEADER>().ConfigureAwait(false);
width = Convert.ToUInt16(header.biWidth);
height = Convert.ToUInt16(header.biHeight / 2);
colorCount = Convert.ToByte(header.biBitCount);
dib = mem.ToArray();
}
else
{
using (var png = System.Drawing.Image.FromStream(mem))
{
width = Convert.ToUInt16(png.Width);
height = Convert.ToUInt16(png.Height);
colorCount = 32;
dib = mem.ToArray();
}
}
}
var result = new IconData()
{
Width = width,
Height = height,
ColorCount = colorCount,
DIB = dib,
IsPNG = isPNG
};
return(result);
}