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