private unsafe void TransferDataFormat8bppIndexed(BitmapData imgData, PixData pixData)
{
var height = imgData.Height;
var width = imgData.Width;
for (int y = 0; y < height; y++)
{
byte *imgLine = (byte *)imgData.Scan0 + (y * imgData.Stride);
uint *pixLine = (uint *)pixData.Data + (y * pixData.WordsPerLine);
for (int x = 0; x < width; x++)
{
byte pixelVal = *(imgLine + x);
PixData.SetDataByte(pixLine, x, pixelVal);
}
}
}
private unsafe void TransferData16(PixData pixData, BitmapData imgData)
{
var imgFormat = imgData.PixelFormat;
var height = imgData.Height;
var width = imgData.Width;
for (int y = 0; y < height; y++)
{
uint * pixLine = (uint *)pixData.Data + (y * pixData.WordsPerLine);
ushort *imgLine = (ushort *)imgData.Scan0 + (y * imgData.Stride);
for (int x = 0; x < width; x++)
{
ushort pixVal = (ushort)PixData.GetDataTwoByte(pixLine, x);
imgLine[x] = pixVal;
}
}
}
private unsafe void TransferDataFormat24bppRgb(BitmapData imgData, PixData pixData)
{
var imgFormat = imgData.PixelFormat;
var height = imgData.Height;
var width = imgData.Width;
for (int y = 0; y < height; y++)
{
byte *imgLine = (byte *)imgData.Scan0 + (y * imgData.Stride);
uint *pixLine = (uint *)pixData.Data + (y * pixData.WordsPerLine);
for (int x = 0; x < width; x++)
{
byte *pixelPtr = imgLine + x * 3;
byte blue = pixelPtr[0];
byte green = pixelPtr[1];
byte red = pixelPtr[2];
PixData.SetDataFourByte(pixLine, x, BitmapHelper.EncodeAsRGBA(red, green, blue, 255));
}
}
}
private unsafe void TransferDataFormat32bppArgb(BitmapData imgData, PixData pixData)
{
var imgFormat = imgData.PixelFormat;
var height = imgData.Height;
var width = imgData.Width;
for (int y = 0; y < height; y++)
{
byte *imgLine = (byte *)imgData.Scan0 + (y * imgData.Stride);
uint *pixLine = (uint *)pixData.Data + (y * pixData.WordsPerLine);
for (int x = 0; x < width; x++)
{
byte *pixelPtr = imgLine + (x << 2);
byte blue = *pixelPtr;
byte green = *(pixelPtr + 1);
byte red = *(pixelPtr + 2);
byte alpha = *(pixelPtr + 3);
PixData.SetDataFourByte(pixLine, x, BitmapHelper.EncodeAsRGBA(red, green, blue, alpha));
}
}
}
private unsafe void TransferData32(PixData pixData, BitmapData imgData, int alphaMask)
{
var imgFormat = imgData.PixelFormat;
var height = imgData.Height;
var width = imgData.Width;
for (int y = 0; y < height; y++)
{
byte *imgLine = (byte *)imgData.Scan0 + (y * imgData.Stride);
uint *pixLine = (uint *)pixData.Data + (y * pixData.WordsPerLine);
for (int x = 0; x < width; x++)
{
var pixVal = PixColor.FromRgba(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
}
}
}