Pinta.ImageManipulation.PixelBlendOperations.ScreenBlendOp.Apply C# (CSharp) Method

		public override ColorBgra Apply (ColorBgra lhs, ColorBgra rhs) { int lhsA; { lhsA = ((lhs).A); }; int rhsA; { rhsA = ((rhs).A); }; int y; { y = ((lhsA) * (255 - rhsA) + 0x80); y = ((((y) >> 8) + (y)) >> 8); }; int totalA = y + rhsA; uint ret; if (totalA == 0) { ret = 0; } else { int fB; int fG; int fR; { { fB = ((((rhs).B)) * (((lhs).B)) + 0x80); fB = ((((fB) >> 8) + (fB)) >> 8); }; fB = ((rhs).B) + ((lhs).B) - fB; }; { { fG = ((((rhs).G)) * (((lhs).G)) + 0x80); fG = ((((fG) >> 8) + (fG)) >> 8); }; fG = ((rhs).G) + ((lhs).G) - fG; }; { { fR = ((((rhs).R)) * (((lhs).R)) + 0x80); fR = ((((fR) >> 8) + (fR)) >> 8); }; fR = ((rhs).R) + ((lhs).R) - fR; }; int x; { x = ((lhsA) * (rhsA) + 0x80); x = ((((x) >> 8) + (x)) >> 8); }; int z = rhsA - x; int masIndex = totalA * 3; uint taM = masTable[masIndex]; uint taA = masTable[masIndex + 1]; uint taS = masTable[masIndex + 2]; uint b = (uint)(((((long)((((lhs).B * y) + ((rhs).B * z) + (fB * x)))) * taM) + taA) >> (int)taS); uint g = (uint)(((((long)((((lhs).G * y) + ((rhs).G * z) + (fG * x)))) * taM) + taA) >> (int)taS); uint r = (uint)(((((long)((((lhs).R * y) + ((rhs).R * z) + (fR * x)))) * taM) + taA) >> (int)taS); int a; { { a = ((lhsA) * (255 - (rhsA)) + 0x80); a = ((((a) >> 8) + (a)) >> 8); }; a += (rhsA); }; ret = b + (g << 8) + (r << 16) + ((uint)a << 24); }; return ColorBgra.FromUInt32 (ret); }
		public unsafe override void Apply (ColorBgra* src, ColorBgra* dst, int length) { while (length > 0) { int lhsA; { lhsA = ((*dst).A); }; int rhsA; { rhsA = ((*src).A); }; int y; { y = ((lhsA) * (255 - rhsA) + 0x80); y = ((((y) >> 8) + (y)) >> 8); }; int totalA = y + rhsA; uint ret; if (totalA == 0) { ret = 0; } else { int fB; int fG; int fR; { { fB = ((((*src).B)) * (((*dst).B)) + 0x80); fB = ((((fB) >> 8) + (fB)) >> 8); }; fB = ((*src).B) + ((*dst).B) - fB; }; { { fG = ((((*src).G)) * (((*dst).G)) + 0x80); fG = ((((fG) >> 8) + (fG)) >> 8); }; fG = ((*src).G) + ((*dst).G) - fG; }; { { fR = ((((*src).R)) * (((*dst).R)) + 0x80); fR = ((((fR) >> 8) + (fR)) >> 8); }; fR = ((*src).R) + ((*dst).R) - fR; }; int x; { x = ((lhsA) * (rhsA) + 0x80); x = ((((x) >> 8) + (x)) >> 8); }; int z = rhsA - x; int masIndex = totalA * 3; uint taM = masTable[masIndex]; uint taA = masTable[masIndex + 1]; uint taS = masTable[masIndex + 2]; uint b = (uint)(((((long)((((*dst).B * y) + ((*src).B * z) + (fB * x)))) * taM) + taA) >> (int)taS); uint g = (uint)(((((long)((((*dst).G * y) + ((*src).G * z) + (fG * x)))) * taM) + taA) >> (int)taS); uint r = (uint)(((((long)((((*dst).R * y) + ((*src).R * z) + (fR * x)))) * taM) + taA) >> (int)taS); int a; { { a = ((lhsA) * (255 - (rhsA)) + 0x80); a = ((((a) >> 8) + (a)) >> 8); }; a += (rhsA); }; ret = b + (g << 8) + (r << 16) + ((uint)a << 24); }; dst->Bgra = ret; ++dst; ++src; --length; } }

		public void ScreenBlendOp2 ()
		{
			var lhs = GetSourceImage ("blend1.png");
			var rhs = GetSourceImage ("blend2.png");

			var lhs_wrap = new BitmapWrapper (lhs);
			var rhs_wrap = new BitmapWrapper (rhs);

			var op = new ScreenBlendOp ();
			op.Apply (rhs_wrap, lhs_wrap);

			Compare (lhs, "screenblend2.png");
		}