1 files changed, 369 insertions, 0 deletions
diff --git a/noatun-plugins/nexscope/renderers.cpp b/noatun-plugins/nexscope/renderers.cpp
new file mode 100644
index 0000000..830024b
--- /dev/null
+++ b/noatun-plugins/nexscope/renderers.cpp
@@ -0,0 +1,369 @@
+#include "nex.h"
+#include <stdlib.h>
+#include <time.h>
+#include <math.h>
+#include <iostream>
+#include <qlayout.h>
+#include <klocale.h>
+
+struct HorizontalPair : public Renderer
+{
+	HorizontalPair() : color(0x578cd8) 
+	{
+		// 0x578cd8 0x3cff3f 0x10FFFF
+		horizontal=false;
+		pair=true;
+	}
+	
+	QWidget *configure(QWidget *parent)
+	{
+		QWidget *config=new QWidget(parent);
+		(new QVBoxLayout(config))->setAutoAdd(true);
+
+		new NexColorButton(config, &color);
+		new NexCheckBox(config, i18n("Horizontal"), &horizontal);
+		new NexCheckBox(config, i18n("Pair"), &pair);
+		new NexCheckBox(config, i18n("Solid"), &solid);
+		new Spacer(config);
+		
+		return config;
+	}
+
+	static inline void processV(int h, int start, int end, Bitmap *d,
+	                            float *ch, Pixel c, register bool solid)
+	{
+		int oldx=(start+end)/2;
+		int mid=oldx;
+		float quarter=(end-start)/2.0;
+		for (int y=0; y<h; ++y)
+		{
+			int newx=mid+(int)(ch[y]*quarter);
+			if (newx<start) newx=start;
+			if (newx>end) newx=end;
+			if (newx>oldx)
+				d->drawHorizontalLine(oldx, newx, y, c);
+			else
+				d->drawHorizontalLine(newx, oldx, y, c);
+			if (!solid)
+				oldx=newx;
+		}
+	}
+	
+	static inline void processH(int h, int start, int end, Bitmap *d,
+	                            float *ch, Pixel c, register bool solid)
+	{
+		int oldx=(start+end)/2;
+		int mid=oldx;
+		float quarter=(end-start)/2.0;
+		for (int y=0; y<h; ++y)
+		{
+			int newx=mid+(int)(ch[y]*quarter);
+			if (newx<start) newx=start;
+			if (newx>end) newx=end;
+			if (newx>oldx)
+				d->drawVerticalLine(y, newx, oldx, c);
+			else
+				d->drawVerticalLine(y, oldx, newx, c);
+			if (!solid)
+				oldx=newx;
+		}
+	}
+
+	virtual Bitmap *render(float **pcm, Bitmap *src)
+	{
+		if (horizontal)
+		{
+			if (pair)
+			{
+				processH(width, 0, height/2, src, pcm[0], color, solid);
+				processH(width, height/2, height, src, pcm[1], color, solid);
+			}
+			else
+			{
+				processH(width, 0, height, src, pcm[0], color, solid);
+			}
+		}
+		else
+		{
+			if (pair)
+			{
+				processV(height, 0, width/2, src, pcm[0], color, solid);
+				processV(height, width/2, width, src, pcm[1], color, solid);
+			}
+			else
+			{
+				processV(height, 0, width, src, pcm[0], color, solid);
+			}
+		}
+		
+		return src;
+	}
+	
+	virtual void save(QDomElement &e)
+	{
+		e.setTagName("Waveform");
+		e.setAttribute("horizontal", (int)horizontal);
+		e.setAttribute("pair", (int)pair);
+		e.setAttribute("solid", (int)solid);
+		e.setAttribute("color", COLORSTR(color));
+	}
+	
+	virtual void load(const QDomElement &e)
+	{
+		horizontal=(bool)e.attribute("horizontal", 0).toInt();
+		pair=(bool)e.attribute("pair", 0).toInt();
+		solid=(bool)e.attribute("solid", 0).toInt();
+		color=STRCOLOR(e.attribute("color", "#FFFFFF"));
+	}
+
+	Pixel color;
+	bool horizontal;
+	bool pair;
+	bool solid;
+};
+
+struct Hartley : public Renderer
+{
+	virtual Bitmap *render(float **pcm, Bitmap *src)
+	{
+		float mult=height/2.0;
+		for (int i=0; i<width; i++)
+		{
+			int h=pcm[3][i]*mult;
+			if (h>height) h=height;
+			
+			src->drawVerticalLine(i, height, height-h,0xFFFFFF);
+		}
+		return src;
+	}
+};
+
+class Fade : public Renderer
+{
+public:
+	virtual Bitmap *render(float *[2], Bitmap *src)
+	{
+		register int i=src->bytes()/sizeof(Pixel);
+		
+		register Pixel *d=src->pixels();
+		do
+		{
+			*d -= ((*d & 0xf0f0f0f0) >> 4) +
+			      ((*d & 0xe0e0e0e0) >> 5);
+			++d;
+		} while (--i > 0);
+		return src;
+	}
+};
+
+
+struct Doubler : public Renderer
+{
+	Doubler()
+	{
+		srcX=20;
+		srcY=100;
+		destX=240;
+		destY=160;
+		srcWidth=40;
+		srcHeight=40;
+	
+	}
+	
+	inline static void copyAndDouble(Pixel *src, Pixel *dest1,
+	                                 Pixel *dest2, int w)
+	{
+		while (w--)
+		{
+			*dest1=*dest2=*src;
+			dest1++;
+			dest2++;
+			*dest1=*dest2=*src;
+			dest1++;
+			dest2++;
+			src++;
+		}
+	}
+	
+	virtual Bitmap *render(float *[2], Bitmap *src)
+	{
+		for (int y=0; y<srcHeight; y++)
+		{
+			copyAndDouble(src->pixels(srcX, y+srcY),
+			              src->pixels(destX, destY+y*2),
+			              src->pixels(destX, destY+y*2+1),
+				      srcWidth);
+		}
+		return src;
+	}
+	
+	int srcX, srcY;
+	int destX, destY;
+	int srcWidth, srcHeight;
+};
+
+struct Blur : public Renderer
+{
+	virtual Bitmap *render(float *[2], Bitmap *src)
+	{
+		Bitmap *b=nex->bitmapPool()->get();
+		
+		register Byte *buffer=(Byte*)b->pixels();
+		register unsigned short pitch=width*sizeof(Pixel);
+		
+		// skip the first row
+		buffer+=pitch;
+		
+		// skip the first pixel on the second row;
+		buffer+=sizeof(Pixel);
+		
+		// we also don't want to do the last row
+		register Pixel *end=b->lastPixel();
+		end-=pitch;
+		// and the last pixel on the second-to-last row
+		end-=sizeof(Pixel);
+		
+		while (buffer<(Byte*)end)
+		{
+		
+		
+		}
+		return b;
+	}
+};
+
+#ifdef cow
+struct FadeHeat : public Renderer
+{
+	inline void fadePixelHeat(Bitmap *out, int x, int y)
+	{
+		Pixel up    = lastOutput->pixel(x,   y-1);
+		Pixel down  = lastOutput->pixel(x,   y+1);
+		Pixel left  = lastOutput->pixel(x-1, y);
+		Pixel right = lastOutput->pixel(x+1, y);
+
+		// assuming Pixel AARRGGBB
+		Pixel r, g, b, pixel;
+		const int rMask = 0xFFFF0000;
+		const int gMask = 0x00FFFF00;
+		const int bMask = 0x0000FFFF;
+		
+		// average the up down left right for each component
+		r = up & rMask + 
+		    right & rMask +
+		    left & rMask +
+		    bottom & rMask;
+		r >>= 2;
+		r &= rMask;
+
+		g = up & gMask +
+		    right & gMask +
+		    left & gMask +
+		    bottom & gMask;
+		g >>= 2;
+		g &= gMask;
+
+		b = up & bMask +
+		    right & bMask +
+		    left & bMask +
+		    bottom & bMask;
+		b >>= 2;
+		b &= bMask;
+
+		Pixel all=r|g|b;
+		if(!all)
+		{
+			out->pixel(x, y, 0);
+			return;
+		}
+
+		// some more input
+		Pixel c=lastLastOutput->getPixel(x, y);
+		c+=0x00010101;
+		
+		
+		
+		all -= c;
+
+		// bounds check
+/* slow:	if (all & 0xFF000000) all=0;
+		else if (all & 0x7F000000) all = 0x00FFFFFF;
+		out->setPixel(x, y, all); */
+		
+		// everything is normal
+		if(!(all & 0xFF000000)) out->setPixel(x,y, all);
+		// wraparound occured (0x80==0b10000000)
+		else if(all & 0x80000000) out->setPixel(x,y, 0);
+		else out->setPixel(x,y, 0x00FFFFFF);
+	}
+	
+	virtual Bitmap *render(float *[2], Bitmap *src)
+	{
+		Bitmap *lastLastTemp = lastLastOutput;
+		lastLastOutput = lastOutput;
+		lastOutputBmp.data = src;
+		src = lastLastTemp;
+
+		int x,y,i,j,start,end;
+		int step = outWidth*2;
+		for(x=i=0, j=outWidth*(outHeight-1)*2; 
+		    x<outWidth;
+		    x++, i+=2, j+=2)
+		{
+			fadePixelHeat(src, x,0,i);
+			fadePixelHeat(src, x,0,i+1);
+			fadePixelHeat(src, x,outHeight-1,j);
+			fadePixelHeat(src, x,outHeight-1,j+1);
+		}
+
+		for(y=1, i=outWidth*2, j=outWidth*4-2;
+		    y<outHeight;
+		    y++, i+=step, j+=step)
+		{
+			fadePixelHeat(src, 0, y,i);
+			fadePixelHeat(src, 0, y,i+1);
+			fadePixelHeat(src, outWidth-1,y,j);
+			fadePixelHeat(src, outWidth-1,y,j+1);
+		}
+
+		
+		for(y=1,start=outWidth*2+2,
+			end=outWidth*4-2; y<outHeight-1;
+			y++,start+=step,end+=step)
+		{
+			int i = start;
+			do
+			{
+				short j = 
+					( short(Dlo[i-2])+
+					Dlo[i+2]+
+					+Dlo[i-step]
+					+Dlo[i+step]
+					>> 2)
+					+Dlo[i];
+				if (!j)
+				{ 
+					Do[i] = 0; 
+				}
+				else
+				{
+					j = j-Dllo[i]+(Dllo[i] -Dlo[i]>>2)-1;
+					if (j < 0) Do[i] = 0;
+					else if (j & (255*256)) Do[i] = 255;
+					else Do[i] = j;
+				}
+			} while(++i < end);
+		}
+		
+		return src;
+	}
+	
+	Bitmap *lastOutput, Bitmap *lastLastOutput;
+};
+#endif
+
+#define RENDERERS_CPP
+#include "renderers.h"
+#undef RENDERERS_CPP
+
+