public static void sampleAdapt(capex.image.RGBAPixelIntegerBuffer src, double xc, double yc, double x0, double y0, double x1, double y1, double x2, double y2, double x3, double y3, capex.image.ImageResizer.IndexMovingBuffer dest)
{
var cc = 0;
var i = 0;
var c = new int[4];
var cciv = 0;
capex.image.ImageResizer.getSample(src, capex.image.ImageResizer.double2Fixed(xc), capex.image.ImageResizer.double2Fixed(yc), capex.image.ImageResizer.double2Fixed(x0), capex.image.ImageResizer.double2Fixed(y0), capex.image.ImageResizer.double2Fixed(x1), capex.image.ImageResizer.double2Fixed(y1), capex.image.ImageResizer.double2Fixed(x2), capex.image.ImageResizer.double2Fixed(y2), capex.image.ImageResizer.double2Fixed(x3), capex.image.ImageResizer.double2Fixed(y3), cciv, 3, c);
cc = cciv;
if (cc == 0)
{
cc = 1;
}
var aa = c[3] / cc;
cape.Buffer.setByte(dest.getBuf(), (long)3, (byte)aa);
if (aa != 0)
{
for (i = 0; i < 3; i++)
{
cape.Buffer.setByte(dest.getBuf(), (long)i, (byte)(c[i] / cc * 255 / aa));
}
}
else
{
for (i = 0; i < 3; i++)
{
cape.Buffer.setByte(dest.getBuf(), (long)i, (byte)0);
}
}
}
public static void sampleBi(capex.image.RGBAPixelIntegerBuffer pixels, int x, int y, int[] color)
{
capex.image.ImageResizer.initFixedUnit();
var xscale = x & capex.image.ImageResizer.unit - 1;
var yscale = y & capex.image.ImageResizer.unit - 1;
var x0 = x >> capex.image.ImageResizer.FIXED_SHIFT;
var y0 = y >> capex.image.ImageResizer.FIXED_SHIFT;
var x1 = x0 + 1;
var y1 = y0 + 1;
var i = 0;
var c0 = pixels.getRgbaPixel(x0, y0, true);
var c1 = pixels.getRgbaPixel(x1, y0, true);
var c2 = pixels.getRgbaPixel(x0, y1, true);
var c3 = pixels.getRgbaPixel(x1, y1, true);
color[3] = capex.image.ImageResizer.lerp(capex.image.ImageResizer.lerp(c0[3], c1[3], yscale), capex.image.ImageResizer.lerp(c2[3], c3[3], yscale), xscale);
if (color[3] != 0)
{
for (i = 0; i < 3; i++)
{
color[i] = capex.image.ImageResizer.lerp(capex.image.ImageResizer.lerp(c0[i] * c0[3] / 255, c1[i] * c1[3] / 255, yscale), capex.image.ImageResizer.lerp(c2[i] * c2[3] / 255, c3[i] * c3[3] / 255, yscale), xscale);
}
}
else
{
for (i = 0; i < 3; i++)
{
color[i] = 0;
}
}
}
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 capex.image.RGBAPixelIntegerBuffer create(byte[] b, int w, int h)
{
var v = new capex.image.RGBAPixelIntegerBuffer();
v.buffer = b;
v.width = w;
v.height = h;
v.pointer = b;
return(v);
}
public static void getSample(capex.image.RGBAPixelIntegerBuffer pixels, int xc, int yc, int x0, int y0, int x1, int y1, int x2, int y2, int x3, int y3, int cciv, int level, int[] color)
{
if (level == 0 || capex.image.ImageResizer.supersampleTest((double)x0, (double)y0, (double)x1, (double)y1, (double)x2, (double)y2, (double)x3, (double)y3) == false)
{
var i = 0;
var c = new int[4];
capex.image.ImageResizer.sampleBi(pixels, xc, yc, c);
for (i = 0; i < 4; i++)
{
color[i] = color[i] + c[i];
}
}
else
{
var tx = 0;
var lx = 0;
var rx = 0;
var bx = 0;
var tlx = 0;
var trx = 0;
var blx = 0;
var brx = 0;
var ty = 0;
var ly = 0;
var ry = 0;
var by = 0;
var tly = 0;
var trz = 0;
var bly = 0;
var bry = 0;
tx = (x0 + x1) / 2;
tlx = (x0 + xc) / 2;
trx = (x1 + xc) / 2;
lx = (x0 + x3) / 2;
rx = (x1 + x2) / 2;
blx = (x2 + xc) / 2;
brx = (x3 + xc) / 2;
bx = (x3 + x2) / 2;
ty = (y0 + y1) / 2;
tly = (y0 + yc) / 2;
trz = (y1 + yc) / 2;
ly = (y0 + y3) / 2;
ry = (y1 + y2) / 2;
bly = (y3 + yc) / 2;
bry = (y2 + yc) / 2;
by = (y3 + y2) / 2;
capex.image.ImageResizer.getSample(pixels, tlx, tly, x0, y0, tx, ty, xc, yc, lx, ly, cciv, level - 1, color);
capex.image.ImageResizer.getSample(pixels, trx, trz, tx, ty, x1, y1, rx, ry, xc, yc, cciv, level - 1, color);
capex.image.ImageResizer.getSample(pixels, brx, bry, xc, yc, rx, ry, x2, y2, bx, by, cciv, level - 1, color);
capex.image.ImageResizer.getSample(pixels, blx, bly, lx, ly, xc, yc, bx, by, x3, y3, cciv, level - 1, color);
}
}
