public void CreateNewImage(int width, int height)
{
_simplePaintViewModel.SetStride(width * _simplePaintViewModel.GetBytesPerPixel());
_simplePaintViewModel.SetWidth(width);
_simplePaintViewModel.SetHeight(height);
_simplePaintViewModel.ImageSave.Clear();
_simplePaintViewModel.Imagesource = BitmapSource.Create(_simplePaintViewModel.GetWidth(), _simplePaintViewModel.GetHeight(), 400, 400, PixelFormats.Bgr24, null, _simplePaintViewModel.GetImageData(), _simplePaintViewModel.GetStride());
_simplePaintViewModel.ImageSave.Push(new TempImage(_simplePaintViewModel.Imagesource, _simplePaintViewModel.GetStride()));
_simplePaintViewModel.SetFirstImage(_simplePaintViewModel.Imagesource);
}
private void OpenImage(BitmapSource b)
{
_simplePaintViewModel.SetImageData(new byte[b.PixelHeight * b.PixelWidth * (b.Format.BitsPerPixel / 8)]);
b.CopyPixels(_simplePaintViewModel.GetImageData(), b.PixelWidth * (b.Format.BitsPerPixel / 8), 0);
_simplePaintViewModel.SetWidth(b.PixelWidth);
_simplePaintViewModel.SetHeight(b.PixelHeight);
_simplePaintViewModel.SetBytesPerPixel(b.Format.BitsPerPixel / 8);
_simplePaintViewModel.SetStride(_simplePaintViewModel.GetBytesPerPixel() * b.PixelWidth);
_simplePaintViewModel.ImageSave.Clear();
_simplePaintViewModel.Imagesource = BitmapSource.Create(b.PixelWidth, b.PixelHeight, b.DpiX, b.DpiY, b.Format, b.Palette, _simplePaintViewModel.GetImageData(), _simplePaintViewModel.GetStride());
_simplePaintViewModel.SetFirstImage(_simplePaintViewModel.Imagesource);
_simplePaintViewModel.ImageSave.Push((new TempImage(_simplePaintViewModel.Imagesource, _simplePaintViewModel.Imagesource.PixelWidth * _simplePaintViewModel.Imagesource.Format.BitsPerPixel / 8)));
}
public void PaintPixel(int x, int y)
{
int pt = _simplePaintViewModel.Getptr();
int bytesPerPixel = _simplePaintViewModel.GetBytesPerPixel();
int j = 0;
int xPixelWidth = bytesPerPixel * pt;
int stride = _simplePaintViewModel.GetStride();
y = y + 1;
int xArrayPosition = x * bytesPerPixel;
int actualPosition;
int yArrayPosition;
byte[] pixelData = _simplePaintViewModel.GetImageData();
for (int pixelOverY = pt; pixelOverY > 0; pixelOverY--)
{
yArrayPosition = (y - pixelOverY) * stride;
actualPosition = yArrayPosition + xArrayPosition;
for (int i = actualPosition; i < actualPosition + xPixelWidth && i < yArrayPosition + stride; i++)
{
if (i < 0 || i > pixelData.Length - 1)
{
continue;
}
pixelData[i] = _simplePaintViewModel.CurrentColour[j];
j++;
if (j == bytesPerPixel)
{
j = 0;
}
}
}
_simplePaintViewModel.SetImageData(pixelData);
_simplePaintViewModel.Imagesource = BitmapSource.Create(_simplePaintViewModel.Imagesource.PixelWidth,
_simplePaintViewModel.Imagesource.PixelHeight, _simplePaintViewModel.Imagesource.DpiX,
_simplePaintViewModel.Imagesource.DpiY, _simplePaintViewModel.Imagesource.Format,
_simplePaintViewModel.Imagesource.Palette, pixelData,
stride);
}