Add missing files

Author: theChaosCoder

ConvertBGRforInput.h

@@ -0,0 +1,49 @@
+#ifndef CONVERT_BGR_FOR_INPUT_FORMAT_V_C_MOHAN
+#define CONVERT_BGR_FOR_INPUT_FORMAT_V_C_MOHAN
+// input 8 bit bgr array. color array must be 12 bytes
+void convertBGRforInputFormat(uint8_t* color, const uint8_t* bgr, const VSFormat* fi);
+
+void convertBGRforInputFormat(uint8_t* color, const uint8_t* bgr, const VSFormat* fi)
+{
+
+	uint8_t yuv[3];
+	
+	BGRtoYUV( bgr, yuv);
+
+	int nbytes = fi->bytesPerSample;
+	int nbits = fi->bitsPerSample;
+
+	for (int k = 0; k < 3; k++)
+	{
+		if (nbytes == 1)
+		{
+			if (fi->colorFamily == cmRGB)
+				color[k] = bgr[k];
+			else
+				color[k] = yuv[k];
+		}
+		else if (nbytes == 2)
+		{
+			if (fi->colorFamily == cmRGB)
+				*((uint16_t*)color + k) = (uint16_t)(bgr[k] << (nbits - 8));
+			else
+				*((uint16_t*)color + k) = (uint16_t)(yuv[k] << (nbits - 8));
+		}
+		else // float
+		{
+			if (fi->colorFamily == cmRGB)
+				*((float*)color + k) = (float)(bgr[k] / 255.0f);
+			else
+			{
+				if (k == 0)
+					*((float*)color + k) = (float)((yuv[k] - 16) / 220.0f);
+				else
+					*((float*)color + k) = (float)((yuv[k] - 128) / 220.0f);
+			}
+		}
+
+	}
+}
+
+
+#endif

spotlightDim.h

@@ -0,0 +1,132 @@
+#pragma once
+#ifndef SPOTLIGHT_DIM_A_COLOR_PLANE_V_C_MOHAN
+#define SPOTLIGHT_DIM_A_COLOR_PLANE_V_C_MOHAN
+
+// dims a color plane 
+
+template <typename finc>
+void dimplaneRGB(finc* dp, const finc* sp, int pitch,
+						int wd, int ht, float dim);
+
+template <typename finc>
+void dimplaneYUV(finc* dp, const finc* sp, int pitch,
+	int wd, int ht, float dim, finc limit);
+
+template <typename finc>
+void YUVspotLight(finc* dp, const finc* sp, int pitch,
+	int x, int y, int r, int wd, int ht, int subW, int subH,
+	finc gray, finc color);
+
+template <typename finc>
+void RGBspotLight(finc* dp, const finc* sp, int pitch,
+	int x, int y, int r, int wd, int ht, finc color);
+
+
+//---------------------------------------------------------------
+template <typename finc>
+void dimplaneRGB(finc* dp, const finc* sp, int pitch,
+	int wd, int ht, float dim)
+{
+	for (int h = 0; h < ht; h++)
+	{
+		for (int w = 0; w < wd; w++)
+		{
+			dp[w] = (finc)(sp[w] * dim);
+		}
+		dp += pitch;
+		sp += pitch;
+	}
+}
+
+template <typename finc>
+void dimplaneYUV(finc* dp, const finc* sp, int pitch,
+	int wd, int ht, float dim, finc limit)
+{
+	for (int h = 0; h < ht; h++)
+	{
+		for (int w = 0; w < wd; w++)
+		{
+			dp[w] = (finc)((sp[w] - limit) * dim) + limit;
+		}
+		dp += pitch;
+		sp += pitch;
+	}
+}
+//------------------------------------------------------------
+template <typename finc>
+void RGBspotLight(finc* dp, const finc* sp, int pitch,
+	int x, int y, int r, int wd, int ht, finc color)
+{
+	int sx = VSMIN(VSMAX(x - r, 0), wd - 1);
+	int ex = VSMIN(VSMAX(x + r, 0), wd - 1);
+
+	int sy = VSMIN(VSMAX(y - r, 0), ht - 1);
+	int ey = VSMIN(VSMAX(y + r, 0), ht - 1);
+	int rsq = r * r;
+
+	for (int h = sy; h < ey; h++)
+	{
+		int hsq = (h - y) * (h - y);
+
+		for (int w = sx; w < ex; w++)
+		{
+			if (hsq + (w - x) * (w - x) <= rsq)
+			{				
+				finc col = *(sp + (h * pitch + w));
+				if ( color < col)
+				{
+
+					*(dp + h * pitch + w) = color;
+				}
+				else
+				{
+					*(dp + h * pitch + w) = col;
+				}
+			}
+		}
+	}
+
+}
+//--------------------------------------------------------------------------------------------------
+template <typename finc>
+void YUVspotLight(finc* dp, const finc* sp, int pitch,
+	int x, int y, int r, int wd, int ht, int subW, int subH,
+	finc gray, finc color)
+{	
+	// x, y, r , wd, ht are values for y plane. 
+	// gray will be 0 for y and some value for u, v
+	int sx = (VSMIN(VSMAX(x - r, 0), wd - 1)) >> subW;
+	int ex = (VSMIN(VSMAX(x + r, 0), wd - 1)) >> subW;
+
+	int sy = (VSMIN(VSMAX(y - r, 0), ht - 1)) >> subH;
+	int ey = (VSMIN(VSMAX(y + r, 0), ht - 1)) >> subH;
+	// initialize pointers
+
+	int rsq = r * r;
+	int rsubW = r >> subW, rsubH = r >> subH;
+
+	//finc yuv[] = { yuvCol[3 * colFlag], yuvCol[3 * colFlag + 1], yuvCol[3 * colFlag + 2] };
+
+	for (int h = sy; h < ey; h++)
+	{
+		int hsq = ( ((h << subH) - y) * ((h << subH) - y) );
+
+		for (int w = sx; w < ex; w++)
+		{
+			int wsq = ( ((w << subW) - x) * ((w << subW) - x) );
+
+			if (hsq + wsq <= rsq)
+			{				
+				finc col = *(sp + h * pitch + w);
+				*(dp + h * pitch + w)
+					= col >= gray && color > gray ||  
+					 col <= gray && color < gray ? (col + color)/2
+					:(col);				
+			}
+		}
+	}
+
+}
+
+#endif
+