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tdeaddons/noatun-plugins/nexscope/renderers.cpp

370 lines
7.1 KiB

#include "nex.h"
#include <stdlib.h>
#include <time.h>
#include <math.h>
#include <iostream>
#include <tqlayout.h>
#include <tdelocale.h>
structQt::HorizontalPair : public Renderer
{
HorizontalPair() : color(0x578cd8)
{
// 0x578cd8 0x3cff3f 0x10FFFF
horizontal=false;
pair=true;
}
TQWidget *configure(TQWidget *parent)
{
TQWidget *config=new TQWidget(parent);
(new TQVBoxLayout(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, 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, 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(TQDomElement &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 TQDomElement &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)
{
int i=src->bytes()/sizeof(Pixel);
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();
Byte *buffer=(Byte*)b->pixels();
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
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