public static capex.image.PixelRegionBuffer forRgbaPixels(capex.image.RGBAPixelIntegerBuffer src, int w, int h)
{
var v = new capex.image.PixelRegionBuffer();
v.src = src;
v.rangew = w;
v.rangeh = h;
return(v);
}
public static void sampleCubic(capex.image.PixelRegionBuffer src, double su, double sv, capex.image.ImageResizer.IndexMovingBuffer dest)
{
var aval = 0.00;
var arecip = 0.00;
var i = 0;
var iu = (int)cape.Math.floor(su);
var iv = (int)cape.Math.floor(sv);
var stride = src.getStride();
var du = 0.00;
var dv = 0.00;
var br = src.getBufferRegion(iu - 1, iv - 1);
if (br == null)
{
return;
}
dest.setBuf(br);
du = su - iu;
dv = sv - iv;
aval = capex.image.ImageResizer.drawableTransformCubic(dv, capex.image.ImageResizer.cubicRow(du, dest.move(3 + stride * 0)), capex.image.ImageResizer.cubicRow(du, dest.move(3 + stride * 1)), capex.image.ImageResizer.cubicRow(du, dest.move(3 + stride * 2)), capex.image.ImageResizer.cubicRow(du, dest.move(3 + stride * 3)));
if (aval <= 0)
{
arecip = 0.00;
cape.Buffer.setByte(dest.getBuf(), (long)3, (byte)0);
}
else if (aval > 255.00)
{
arecip = 1.00 / aval;
cape.Buffer.setByte(dest.getBuf(), (long)3, (byte)255);
}
else
{
arecip = 1.00 / aval;
cape.Buffer.setByte(dest.getBuf(), (long)3, (byte)((int)cape.Math.rint(aval)));
}
for (i = 0; i < 3; i++)
{
var v = (int)cape.Math.rint(arecip * capex.image.ImageResizer.drawableTransformCubic(dv, capex.image.ImageResizer.cubicScaledRow(du, dest.move(i + stride * 0), dest.move(3 + stride * 0)), capex.image.ImageResizer.cubicScaledRow(du, dest.move(i + stride * 1), dest.move(3 + stride * 1)), capex.image.ImageResizer.cubicScaledRow(du, dest.move(i + stride * 2), dest.move(3 + stride * 2)), capex.image.ImageResizer.cubicScaledRow(du, dest.move(i + stride * 3), dest.move(3 + stride * 3))));
cape.Buffer.setByte(dest.getBuf(), (long)i, (byte)capex.image.ImageFilterUtil.clamp((double)v));
}
}
