private static void WritePixelData(BinaryWriter writer, Color[] pixels, int depth, int width, int height, bool palette)
{
switch (depth)
{
case 32:
{
if (palette)
{
writer.Write(pixels);
}
else
{
for (int y = height - 1; y >= 0; y--)
{
for (int x = 0; x < width; x++)
{
writer.Write(pixels[x + y * width]);
}
}
}
}
break;
case 24:
{
if (palette)
{
foreach (Color color in pixels)
{
writer.Write(color.B);
writer.Write(color.G);
writer.Write(color.R);
}
}
else
{
for (int y = height - 1; y >= 0; y--)
{
for (int x = 0; x < width; x++)
{
Color pixel = pixels[x + y * width];
writer.Write(pixel.B);
writer.Write(pixel.G);
writer.Write(pixel.R);
}
}
}
}
break;
case 16:
{
if (palette)
{
foreach (Color color in pixels)
{
ushort px = 0;
if (color.A >= 0x7F)
{
BitHelper.SetBit(ref px, 15);
}
BitHelper.ClearAndSetBits(ref px, 5, (ushort)(color.R >> 3), 0);
BitHelper.ClearAndSetBits(ref px, 5, (ushort)(color.G >> 3), 5);
BitHelper.ClearAndSetBits(ref px, 5, (ushort)(color.B >> 3), 10);
writer.Write(px);
}
}
else
{
for (int y = height - 1; y >= 0; y--)
{
for (int x = 0; x < width; x++)
{
ushort px = 0;
if (pixels[x + y * width].A >= 0x7F)
{
BitHelper.SetBit(ref px, 15);
}
BitHelper.ClearAndSetBits(ref px, 5, (ushort)(pixels[x + y * width].R >> 3), 0);
BitHelper.ClearAndSetBits(ref px, 5, (ushort)(pixels[x + y * width].G >> 3), 5);
BitHelper.ClearAndSetBits(ref px, 5, (ushort)(pixels[x + y * width].B >> 3), 10);
writer.Write(px);
}
}
}
}
break;
}
}