private unsafe static void TransferData1(Pix pix, BitmapData imgData)
{
var imgFormat = imgData.PixelFormat;
var height = imgData.Height;
var width = imgData.Width;
var pixData = pix.pixGetData();
var wpl = pix.Wpl;
for (int y = 0; y < height; y++)
{
uint *pixLine = (uint *)pixData + (y * wpl);
byte *imgLine = (byte *)imgData.Scan0.ToPointer();
for (int x = 0; x < width; x++)
{
var pixVal = (byte)~GetDataBit(pixLine, x);
var index = y * imgData.Stride + (x >> 3);
var mask = (byte)(0x80 >> (x & 0x7));
if (pixVal != 255)
{
imgLine[index] &= (byte)(mask ^ 0xff);
}
else
{
imgLine[index] |= mask;
}
}
}
}
private unsafe static void TransferData4(Pix pix, BitmapData imgData)
{
var imgFormat = imgData.PixelFormat;
var height = imgData.Height;
var width = imgData.Width;
var pixData = pix.pixGetData();
var wpl = pix.Wpl;
for (int y = 0; y < height; y++)
{
uint *pixLine = (uint *)pixData + (y * wpl);
byte *imgLine = (byte *)imgData.Scan0.ToPointer();
for (int x = 0; x < width; x++)
{
var pixVal = (byte)GetDataQBit(pixLine, x);
var index = (y * imgData.Stride) + (x >> 1);
var curBy = ((byte *)imgData.Scan0)[index];
if ((x & 1) == 1)
{
curBy &= 0xf0;
curBy |= (byte)(pixVal & 0x0f);
}
else
{
curBy &= 0x0f;
curBy |= (byte)(pixVal << 4);
}
imgLine[index] = curBy;
}
}
}
private unsafe static void TransferData32(Pix pix, BitmapData imgData, int alphaMask = 0)
{
var imgFormat = imgData.PixelFormat;
var height = imgData.Height;
var width = imgData.Width;
var pixData = pix.pixGetData();
var wpl = pix.Wpl;
for (int y = 0; y < height; y++)
{
byte *imgLine = (byte *)imgData.Scan0 + (y * imgData.Stride);
uint *pixLine = (uint *)pixData + (y * wpl);
for (int x = 0; x < width; x++)
{
//var pixVal = PixColor.FromRgba(pixLine[x]);
var value = pixLine[x];
//byte* pixelPtr = imgLine + (x << 2);
//pixelPtr[0] = pixVal.Blue;
//pixelPtr[1] = pixVal.Green;
//pixelPtr[2] = pixVal.Red;
//pixelPtr[3] = (byte)(alphaMask | pixVal.Alpha); // Allow user to include alpha or not
byte *pixelPtr = imgLine + (x << 2);
// First Way
pixelPtr[0] = (byte)((value >> 8) & 0xFF); //B
pixelPtr[1] = (byte)((value >> 16) & 0xFF); //G
pixelPtr[2] = (byte)((value >> 24) & 0xFF); //R
pixelPtr[3] = (byte)((byte)(value & 0xFF) | alphaMask); //A
//// Second Way
//var col = ToArgb(value);
//pixelPtr[0] = col.B;
//pixelPtr[1] = col.G;
//pixelPtr[2] = col.R;
//pixelPtr[3] = (byte)(col.A | alphaMask);
//// Third Way
//var a = (value & 0xFF000000) >> 24;
//var r = (value & 0x00FF0000) >> 16;
//var g = (value & 0x0000FF00) >> 8;
//var b = (value & 0x000000FF);
//pixelPtr[0] = (byte)b;
//pixelPtr[1] = (byte)g;
//pixelPtr[2] = (byte)r;
//pixelPtr[3] = (byte)((byte)a | alphaMask);
//// First Way but clearer
//var a = (byte)((byte)(value & 0xFF) | alphaMask); //A
//var b = (byte)((value >> 8) & 0xFF); //B
//var g = (byte)((value >> 16) & 0xFF); //G
//var r = (byte)((value >> 24) & 0xFF); //R
//pixelPtr[0] = b;
//pixelPtr[1] = g;
//pixelPtr[2] = r;
//pixelPtr[3] = a;
}
}
}
private unsafe static void TransferData8(Pix pix, BitmapData imgData)
{
var imgFormat = imgData.PixelFormat;
var height = imgData.Height;
var width = imgData.Width;
var pixData = pix.pixGetData();
var wpl = pix.Wpl;
for (int y = 0; y < height; y++)
{
uint *pixLine = (uint *)pixData + (y * wpl);
byte *imgLine = (byte *)imgData.Scan0 + (y * imgData.Stride);
for (int x = 0; x < width; x++)
{
var pixVal = (byte)GetDataByte(pixLine, x);
imgLine[x] = pixVal;
}
}
}
