/// <summary>
/// Render overlay graphic.
/// </summary>
/// <param name="pixels">Pixels subject to rendering.</param>
/// <param name="width"></param>
/// <param name="height"></param>
public void Render(int[] pixels, int width, int height)
{
if (_scaledData == null) _scaledData = (GrayscalePixelDataU8)_originalData.Rescale(_scale);
var data = _scaledData.Data;
var ox = (int)(_offsetX * _scale);
var oy = (int)(_offsetY * _scale);
#if NET35
for (var y = 0; y < _scaledData.Height; ++y)
#else
Parallel.For(0, _scaledData.Height, y =>
#endif
{
if (oy + y >= height) return;
for (int i = _scaledData.Width * y, e = i + _scaledData.Width, p = (oy + y) * width + ox, x = 0; i < e; i++, p++, x++)
{
if (data[i] > 0)
{
if (ox + x >= width) break;
pixels[p] |= _color;
}
}
}
#if !NET35
);
#endif
}
public void Render(int[] pixels, int width, int height)
{
byte[] data = null;
if (_scaledData == null) {
if (_scale == 1.0)
_scaledData = _originalData;
else {
int w = (int)(_originalData.Width * _scale);
int h = (int)(_originalData.Height * _scale);
data = BilinearInterpolation.RescaleGrayscale(_originalData.Data, _originalData.Width, _originalData.Height, w, h);
_scaledData = new GrayscalePixelDataU8(w, h, data);
}
}
data = _scaledData.Data;
int ox = (int)(_offsetX * _scale);
int oy = (int)(_offsetY * _scale);
MultiThread.For(0, _scaledData.Height, y => {
for (int i = _scaledData.Width * y, e = i + _scaledData.Width; i < e; i++) {
if (data[i] > 0) {
int p = (oy * width) + ox + i;
pixels[p] = _color;
}
}
});
}
/// <summary>
/// Set overlay scale factor.
/// </summary>
/// <param name="scale">Scale factor.</param>
public void Scale(double scale)
{
if ((scale - _scale).IsNearlyZero()) return;
_scale = scale;
_scaledData = null;
}
/// <summary>
/// Set overlay scale factor.
/// </summary>
/// <param name="scale">Scale factor.</param>
public void Scale(double scale)
{
if (Math.Abs(scale - _scale) <= double.Epsilon) return;
_scale = scale;
_scaledData = null;
}
public void Render(int[] pixels, int width, int height)
{
byte[] data = null;
if (_scaledData == null)
{
if (_scale == 1.0)
{
_scaledData = _originalData;
}
else
{
int w = (int)(_originalData.Width * _scale);
int h = (int)(_originalData.Height * _scale);
data = BilinearInterpolation.RescaleGrayscale(_originalData.Data, _originalData.Width, _originalData.Height, w, h);
_scaledData = new GrayscalePixelDataU8(w, h, data);
}
}
data = _scaledData.Data;
int ox = (int)(_offsetX * _scale);
int oy = (int)(_offsetY * _scale);
MultiThread.For(0, _scaledData.Height, y => {
for (int i = _scaledData.Width * y, e = i + _scaledData.Width; i < e; i++)
{
if (data[i] > 0)
{
int p = (oy * width) + ox + i;
pixels[p] = _color;
}
}
});
}
public void GetMinMax_GrayscalePixelDataU8_IgnoresPadding(byte max, byte min, byte padding)
{
var pixelData = new GrayscalePixelDataU8(2, 2, new MemoryByteBuffer(new[] { max, padding, min, padding }));
var minmax = pixelData.GetMinMax(padding);
Assert.Equal(max, minmax.Maximum);
Assert.Equal(min, minmax.Minimum);
}
public OverlayGraphic(SingleBitPixelData pixelData, int offsetx, int offsety, int color)
{
_originalData = pixelData;
_scaledData = _originalData;
_offsetX = offsetx;
_offsetY = offsety;
_color = color;
_scale = 1.0;
}
public OverlayGraphic(SingleBitPixelData pixelData, int offsetx, int offsety, int color)
{
_originalData = pixelData;
_scaledData = _originalData;
_offsetX = offsetx;
_offsetY = offsety;
_color = color;
_scale = 1.0;
}
public void Scale(double scale)
{
if (Math.Abs(scale - _scale) <= Double.Epsilon)
return;
_scale = scale;
_scaledData = null;
}