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FluidZip_Delegate.m
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//
// FluidZip_Delegate.m
// FluidApp
//
#import "FluidZip_Delegate.h"
#include "bitstream.h"
@implementation FluidZip_Delegate
- (void)awakeFromNib
{
r_windows = [[NSMutableArray alloc] initWithCapacity:10];
BitStream *tmp = bitStreamCreate(256);
int i;
//for (i=0; i<20; i++)
{
bitStreamPush(tmp, 2375, 12);
bitStreamPush(tmp, 375, 10);
}
bitStreamReset(tmp);
//for (i=0; i<20; i++)
{
printf("2375 = %i\n", bitStreamRead(tmp, 12));
printf("375 = %i\n", bitStreamRead(tmp, 10));
}
x_free(tmp);
}
- (void)dealloc
{
[r_windows release];
[super dealloc];
}
- (BOOL)application:(NSApplication *)theApplication openFile:(NSString *)filename
{
NSString *extension = [filename pathExtension];
if ([extension isEqualToString:@"jpg"]
|| [extension isEqualToString:@"jpeg"]
|| [extension isEqualToString:@"png"]
|| [extension isEqualToString:@"vec"]
|| [extension isEqualToString:@"tga"])
{
NSImage *i = nil;
if ([[filename pathExtension] compare:@"vec"] == NSOrderedSame)
{
//Put in decompression code here...
NSSize s = {640,480};
i = [[NSImage alloc] initWithSize:s];
}
else
{
i = [[NSImage alloc] initWithContentsOfFile:filename];
}
[NSBundle loadNibNamed:@"FluidZip_Window" owner:self];
[r_windows addObject:i_window];
[i_window release];
[i_window setImage:i];
[i_window setTitle:[filename lastPathComponent]];
[i_window setDelegate:self];
[i release];
return YES;
}
return NO;
}
- (IBAction)onMenuFileOpen:(id)in_src
{
NSOpenPanel *nsp = [NSOpenPanel openPanel];
[nsp setCanChooseFiles:YES];
[nsp setCanChooseDirectories:NO];
[nsp setResolvesAliases:YES];
[nsp setAllowsMultipleSelection:NO];
[nsp setTitle:@"Open Image"];
if ([nsp runModalForTypes:[NSArray arrayWithObjects:
@"jpg",@"jpeg",@"png",@"vec",@"tga",
nil]] == NSOKButton)
{
[[NSDocumentController sharedDocumentController]
noteNewRecentDocumentURL:[nsp URL]];
[self application:NSApp openFile:[nsp filename]];
}
}
unsigned char clamp(float f)
{
if (f < 0)
return 0;
if (f > 255)
return 255;
return (unsigned char)f;
}
void decompressRow(int w, int stride, int *tmp, unsigned char *out_d,
int **io_indices, int **io_data)
{
int *indices = *io_indices;
int *data = *io_data;
//Decompress some uchar data...
int s = data[0];
int e = data[1];
int si = 0;
int i;
int c;
for (i=0; i<indices[0]; i++)
{
int se = indices[i+1];
int ed = data[i+2];
for (c=si; c<se; c++)
{
out_d[c*stride] = (((se - c) * s + (c - si) * ed) / (se-si));
}
si = se;
s = ed;
}
for (c=si; c<w; c++)
{
out_d[c*stride] = (((w - c) * s + (c - si) * e) / (w-si));
}
*io_data += 2 + indices[0];
*io_indices += 1 + indices[0];
}
void compressRow(int w, int s, int *tmp, unsigned char *in_d,
int **io_indices, int **io_data,
int *out_indices, int *out_data)
{
//Compress some uchar data...
int *indices = *io_indices;
int *data = *io_data;
int x;
for (x=1; x<w-1; x++)
{
tmp[x] = (int)in_d[(x-1)*s] - (int)in_d[(x+1)*s];
}
tmp[0] = tmp[1];
tmp[w-1] = tmp[w-2];
data[0] = in_d[0];
data[1] = in_d[(w-1)*s];
indices[0] = 0;
int curv = 0;
int prevRow = 0;
for (x=1; x<w-1; x++)
{
curv = (int)tmp[x-1] - (int)tmp[x+1];
if (abs(curv) > 4)
{
curv = (int)tmp[x-1] - (int)tmp[x+1];
data[2+indices[0]] = in_d[x*s];
indices[0]++;
indices[indices[0]] = x;
}
if (x > 1 && abs(curv) > 4)
prevRow = 1;
else
prevRow = 0;
}
*out_indices = 1+indices[0];
*out_data = 2+indices[0];
*io_data += 2 + indices[0];
*io_indices += 1 + indices[0];
}
- (IBAction)onMenuFormatImageCompress:(id)in_src
{
if (m_focus == nil) return;
NSBitmapImageRep *bir = [NSBitmapImageRep alloc];
[[m_focus image] lockFocus];
[bir initWithFocusedViewRect:NSMakeRect(0, 0, [[m_focus image] size].width,
[[m_focus image] size].height)];
[[m_focus image] unlockFocus];
NSBitmapImageRep *cpy = [[NSBitmapImageRep alloc]
initWithBitmapDataPlanes:NULL pixelsWide:[[m_focus image] size].width
pixelsHigh:[[m_focus image] size].height
bitsPerSample:[bir bitsPerPixel]/[bir samplesPerPixel]
samplesPerPixel:[bir samplesPerPixel]
hasAlpha:[bir hasAlpha] isPlanar:NO
colorSpaceName:NSCalibratedRGBColorSpace
bytesPerRow:[bir bytesPerRow]
bitsPerPixel:[bir bitsPerPixel]];
NSImage *i2 = [[NSImage alloc] initWithSize:[[m_focus image] size]];
[i2 addRepresentation:cpy];
//memcpy([cpy bitmapData], [bir bitmapData],
// [bir bytesPerRow]*[i2 size].height);
unsigned char *s = [bir bitmapData];
unsigned char *d = [cpy bitmapData];
//Now - apply a basic compression kernel (just to see results)
int x,y,z;
int w = [i2 size].width, h = [i2 size].height, bpp = [bir bitsPerPixel]/8;
printf("Uncompressed image size: %ikb (32bit: %ikb)\n", w*h*bpp/1024, w*h*4*bpp/1024);
int *indices = malloc(sizeof(int)*w*h);
float *data = malloc(sizeof(float)*w*h*bpp);
int *iData = malloc(sizeof(int)*w*h*bpp);
float *deriv = malloc(sizeof(float)*w*h*bpp);
float *curv = malloc(sizeof(float)*w*h*bpp);
//First, clean up the input?
// for (y=0; y<h; y++)
// {
// for (x=0; x<w; x++)
// {
// for (z=0; z<bpp; z++)
// {
// if
// }
// }
// }
//First, compute the curvature...
//Loop through the data accumulating curvature. Once curvature change
//exceeds a given threshold (on any component) create an entry.
int memUsageReal = 0;
int mem8bit = 0;
for (y=0; y<h; y++)
{
//Clean up a bit
// for (x=1; x<w-1; x++)
// {
// float ds = 0;
// for (z=0; z<bpp; z++)
// {
// if (z != 3)
// {
// float diff = ((float)s[z + (x+1)*bpp + y*bpp*w] -
// (float)s[z + (x-1)*bpp + y*bpp*w]);
// ds += diff*diff;
// }
// }
// ds = sqrtf(ds);
//
// if (ds < 1.0f)
// {
// for (z=0; z<bpp; z++)
// {
// s[z + (x+0)*bpp + y*bpp*w]
// = (s[z + (x-1)*bpp + y*bpp*w] + s[z + (x+1)*bpp + y*bpp*w])/2;
// }
// }
// }
//Take derivatives
for (x=0; x<w; x++)
{
deriv[x + y*w] = 0;
for (z=0; z<bpp; z++)
{
if (x== 0 || x == w-1)
curv[x + y*w] = 0;
else if (z != 3)
{
if (y == 0)
{
float diff = ((float)s[z + (x+0)*bpp + y*bpp*w] -
(float)s[z + (x-1)*bpp + y*bpp*w]);
deriv[x + y*w] += diff*diff;
}
else
{
float dy1 = (float)s[z + (x+0)*bpp + y*bpp*w] -
(float)d[z + (x+0)*bpp + (y-1)*bpp*w];
float dy2 = (float)s[z + (x-1)*bpp + y*bpp*w] -
(float)d[z + (x-1)*bpp + (y-1)*bpp*w];
if (fabs(dy1) < 6) dy1 = 0;
if (fabs(dy2) < 6) dy2 = 0;
float diff = (dy1 - dy2);
deriv[x + y*w] += diff*diff;
}
}
}
deriv[x + y*w] = sqrtf(deriv[x + y*w]);
}
for (x=w-2; x>=1; x--)
{
curv[x + y*w] = (deriv[(x+0) + y*w]);
}
//Loop through and compress a single line
float cmp[16] = {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
indices[y*w] = 0;
for (z=0; z<bpp; z++)
{
if (y == 0)
data[y*bpp*w + z] = s[y*bpp*w + z];
else
data[y*bpp*w + z] = s[y*bpp*w + z] - d[(y-1)*bpp*w + z];
}
memUsageReal += sizeof(int) + bpp*sizeof(float);
mem8bit += sizeof(short) + sizeof(char)*bpp;
int lastNeedToWork = 0;
int skippedWork = 0;
int justDidWork = 0;
int px = 0;
for (x=1; x<w; x++)
{
int needToWork = 0;
float simpleSum = 0;
cmp[0] += (curv[x + y*w]);
if (x < w-1)
simpleSum += abs(curv[(x+1) + y*w])
+ abs(curv[(x-1) + y*w]);
if (abs(cmp[0]) > 4.0f)
{
needToWork = 1;
}
if (needToWork == 0 && justDidWork > 1)
justDidWork--;
else if (justDidWork == 1 && needToWork == 0)
{
justDidWork = -1;
needToWork = 1;
}
if (skippedWork)
needToWork = 1;
if (x == w-1) needToWork = 1;
else
{
if (x < lastNeedToWork + 0 && needToWork)
{
needToWork = 0;
skippedWork = 1;
}
else if (needToWork)
skippedWork = 0;
}
//if (px >= 255) needToWork = 1;
if (needToWork) lastNeedToWork = x;
if (needToWork)
{
int nx = (x == w-1)?x:x-1;
indices[y*w]++;
int ci = indices[y*w];
indices[y*w+ci] = nx - px;
px = nx;
for (z=0; z<bpp; z++)
{
if (y == 0)
data[ci*bpp + y*bpp*w + z] = s[nx*bpp + y*bpp*w + z];
else
data[ci*bpp + y*bpp*w + z] = s[nx*bpp + y*bpp*w + z]
-d[nx*bpp + (y-1)*bpp*w + z];
cmp[z] = 0;
}
memUsageReal += sizeof(int) + bpp*sizeof(float);
mem8bit += sizeof(short) + bpp;
/*if (justDidWork == -1)
justDidWork = 0;
else
justDidWork = 3;*/
}
}
//Pre-compute results...
int sc = indices[y*w];
int prevX = 0;
for (z=0; z<bpp; z++)
d[z + y*bpp*w] = data[z+y*bpp*w];
for (x=1; x<=sc; x++)
{
int curX = indices[y*w+x] + prevX;
int x2;
for (x2=prevX; x2<=curX; x2++)
{
float scaleF = (float)(x2-prevX)/(float)(curX - prevX);
for(z=0;z<bpp;z++)
{
if (y == 0)
d[z + x2*bpp + y*bpp*w] =
(scaleF)*data[x*bpp + y*bpp*w + z]
+ (1-scaleF)*data[(x-1)*bpp + y*bpp*w + z];
else
d[z + x2*bpp + y*bpp*w] =
clamp((scaleF)*data[x*bpp + y*bpp*w + z]
+ (1-scaleF)*data[(x-1)*bpp + y*bpp*w + z]
+ d[z +x2*bpp + (y-1)*bpp*w]);
if (x2 == prevX && z != 3)
{
//d[z + x2*bpp + y*bpp*w] = 0;
}
}
}
prevX = curX;
}
}
printf("Compressed 32-bit: %ikb\nPotential 16-bit: %ikb\nPotential 8-bit: %ikb\n",
memUsageReal/1024, memUsageReal/2048, mem8bit/1024);
//Display the results...
for (y=0; y<h; y++)
{
int sc = indices[y*w];
int prevX = 0;
for (z=0; z<bpp; z++)
d[z + y*bpp*w] = data[z+y*bpp*w];
for (x=1; x<=sc; x++)
{
int curX = indices[y*w+x] + prevX;
int x2;
for (x2=prevX; x2<=curX; x2++)
{
//float scaleF = (float)(x2-prevX)/(float)(curX - prevX);
for(z=0;z<bpp;z++)
{
//if (y == 0)
// d[z + x2*bpp + y*bpp*w] =
// (scaleF)*data[x*bpp + y*bpp*w + z]
// + (1-scaleF)*data[(x-1)*bpp + y*bpp*w + z];
// else
// d[z + x2*bpp + y*bpp*w] =
// (scaleF)*data[x*bpp + y*bpp*w + z]
// + (1-scaleF)*data[(x-1)*bpp + y*bpp*w + z]
// + d[z +x2*bpp + (y-1)*bpp*w];
if (x2 == prevX && z != 3)
{
// d[z + x2*bpp + y*bpp*w] = 0;
}
else
{
// d[z + x2*bpp + y*bpp*w] = 255;
}
}
}
prevX = curX;
}
}
//Display the results...
// for (y=0; y<h; y++)
// {
// for (x=0; x<w; x++)
// {
// for (z=0; z<bpp; z++)
// {
// d[z + x*bpp + y*bpp*w] = curv[x+y*w];
//
// if (z == 3)
// d[z + x*bpp + y*bpp*w] = 255;
// }
// }
// }
/*for (y=0; y<h; y++)
{
for(x=0; x<w; x++)
{
for (z=0; z<bpp; z++)
{
if (x == 0)
d[z + x*bpp + y*bpp*w] = s[z + x*bpp + y*bpp*w];
else
d[z + x*bpp + y*bpp*w] = (s[z + x*bpp + y*bpp*w] -
s[z + (x-1)*bpp + y*bpp*w]) + 127;
}
}
}
for (y=0; y<h; y++)
{
for(x=w-1; x>=1; x--)
{
for (z=0; z<bpp; z++)
{
if (z == 1)
d[z + x*bpp + y*bpp*w] = (d[z + x*bpp + y*bpp*w] -
d[z + (x-1)*bpp + y*bpp*w]) + 127;
else
d[z + x*bpp + y*bpp*w] = 0;
}
}
}*/
float c[6] = {0,0,0,0,0,0};
int *dc = iData;
int *ic = indices;
int *dce = iData;
int *ice = indices;
unsigned char *yuv = malloc(w*h*3);
int *de = malloc(sizeof(int)*w*h*3);
int totId = 0, totDa = 0;
int diff[9] = {0};
int counts[4][512] = {0};
int golumb = 0;
int felics = 0;
for (y=0; y<h; y++)
{
for (x=0; x<w; x++)
{
// s[0+x*bpp+y*bpp*w] = s[0+x*bpp+y*bpp*w] & 0xFC;
// s[1+x*bpp+y*bpp*w] = s[1+x*bpp+y*bpp*w] & 0xFC;
// s[2+x*bpp+y*bpp*w] = s[2+x*bpp+y*bpp*w] & 0xFC;
unsigned char Y =
clamp
( 0.299f*(float)s[0+x*bpp+y*bpp*w]
+ 0.587f*(float)s[1+x*bpp+y*bpp*w]
+ 0.144f*(float)s[2+x*bpp+y*bpp*w] + 0.5f);
unsigned char Pb =
clamp
( -0.14713*0.5f/0.436f*s[0+x*bpp+y*bpp*w]
- 0.28886*0.5f/0.436f*s[1+x*bpp+y*bpp*w]
+ 0.436*0.5f/0.436f*s[2+x*bpp+y*bpp*w]
+ 128.5f);
unsigned char Pr =
clamp
( 0.601f*0.5f/0.436f*s[0+x*bpp+y*bpp*w]
- 0.51499f*0.5f/0.436f*s[1+x*bpp+y*bpp*w]
- 0.10001f*0.5f/0.436f*s[2+x*bpp+y*bpp*w]
+ 128.5f);
// d[0+x*bpp + y*bpp*w] = clamp(Y + ((float)Pr-128.0f)*1.13983f*0.615f/0.5f);
// d[1+x*bpp + y*bpp*w] = clamp(Y + ((float)Pb-128.0f)*(-0.39465f)*0.436f/0.5f
// +((float)Pr-128.0f)*(-0.58060f)*0.436f/0.5f);
// d[2+x*bpp + y*bpp*w] = clamp(Y + ((float)Pb-128.0f)*2.03211f*0.436f/0.5f);
yuv[x*3+y*w*3+0] = (Y & 0xFF) >> 0;
yuv[x*3+y*w*3+1] = (Pb & 0xFF) >> 0;
yuv[x*3+y*w*3+2] = (Pr & 0xFF) >> 0;
// d[0+x*bpp + y*bpp*w] = 0;
// d[1+x*bpp + y*bpp*w] = Pb;
// d[2+x*bpp + y*bpp*w] = Pr;
//d[x*bpp + y*bpp*w] = 0;
}
for (x=0; x<w; x++)
{
if (x!= 0 && x != w-1)
{
deriv[0+x*6] = s[0+(x+1)*bpp+y*bpp*w]-s[0+(x-1)*bpp+y*bpp*w];
deriv[1+x*6] = s[1+(x+1)*bpp+y*bpp*w]-s[1+(x-1)*bpp+y*bpp*w];
deriv[2+x*6] = s[2+(x+1)*bpp+y*bpp*w]-s[2+(x-1)*bpp+y*bpp*w];
deriv[3+x*6] = yuv[(x+1)*3+0] - yuv[(x-1)*3+0];
deriv[4+x*6] = yuv[(x+1)*3+1] - yuv[(x-1)*3+1];
deriv[5+x*6] = yuv[(x+1)*3+2] - yuv[(x-1)*3+2];
int dx = yuv[x*3+y*w*3+0] - yuv[(x-1)*3+y*w*3+0];
int dy = yuv[x*3+y*w*3+1] - yuv[(x-1)*3+y*w*3+1];
int dz = yuv[x*3+y*w*3+2] - yuv[(x-1)*3+y*w*3+2];
if (dx < 0)
dx = -dx*2 -1;
else
dx = dx*2;
if (dy < 0)
dy = -dy*2 -1;
else
dy = dy*2;
if (dz < 0)
dz = -dz*2 -1;
else
dz = dz*2;
counts[0][dx]++;
counts[1][dy]++;
counts[2][dz]++;
if (dx < 0 || dy < 0 || dz < 0)
printf("ERROR\n");
golumb += dx/16 + 5;
golumb += dy/16 + 5;
golumb += dz/16 + 5;
de[x*3+y*w*3+0] = dx;
de[x*3+y*w*3+1] = dy;
de[x*3+y*w*3+2] = dz;
if (x <= 2 && y == 0)
{
felics += dx/16+5;
felics += dy/16+5;
felics += dz/16+5;
}
else if (x == 1)
{
felics += dx/16+5;
felics += dy/16+5;
felics += dz/16+5;
}
else
{
int c;
for (c=0; c<3; c++)
{
int left = de[(x-1)*3+y*w*3+c];
int up = de[x*3+(y-1)*w*3+c];
int cur = de[x*3+y*w*3+c];
if (left < up)
{
int a = left;
left = up;
up = a;
}
int d = left - up;
int numBits = 1;
int mask = 1;
while (d > mask)
{
numBits++;
mask = mask << 1;
mask |=1;
}
int mid = (left+up)/2;
int start = mid -= mask/2;
if (left == up)
{
start = left;
mask = 0;
numBits = 0;
}
if (cur >= start && cur <= start+mask)
{
felics += 1 + numBits;
}
else
{
felics += 1 + cur/16+5;
}
}
}
}
else
{
deriv[x] = 0;
}
}
for (x=1; x<w-1; x++)
{
for (z=0; z<6; z++)
{
c[z] += fabs(deriv[z+(x+1)*6] - deriv[z+(x-1)*6]);
}
}
int countId=0, countDa=0;
compressRow(w, 3, (int*)curv, yuv+2, &ic, &dc, &countId, &countDa);
decompressRow(w, 3, (int*)curv, yuv+2, &ice, &dce);
totId += countId;
totDa += countDa;
for (x=0; x<w-1;x++)
{
int d = abs(yuv[1+x*3] - yuv[1+(x-1)*3]);
if (d>=128) diff[0]++;
else if (d>=64) diff[1]++;
else if (d>=32) diff[2]++;
else if (d>=16) diff[3]++;
else if (d>=8) diff[4]++;
else if (d>=4) diff[5]++;
else if (d>=2) diff[6]++;
else if (d>=1) diff[7]++;
else diff[8]++;
}
for (x=1; x<w-1; x++)
{
unsigned char Y = yuv[x*3+y*w*3+0];
unsigned char Pb = yuv[x*3+y*w*3+1];
unsigned char Pr = yuv[x*3+y*w*3+2];
d[0+x*bpp + y*bpp*w] = clamp(Y + ((float)Pr-128.0f)*1.13983f*0.615f/0.5f);
d[1+x*bpp + y*bpp*w] = clamp(Y + ((float)Pb-128.0f)*(-0.39465f)*0.436f/0.5f
+((float)Pr-128.0f)*(-0.58060f)*0.436f/0.5f);
d[2+x*bpp + y*bpp*w] = clamp(Y + ((float)Pb-128.0f)*2.03211f*0.436f/0.5f);
}
}
printf(" R:%0.0f\n G:%0.0f\n B:%0.0f\n Y:%0.0f\n U:%0.0f\n V:%0.0f\n RGB:%0.0f\n YUV:%0.0f\n",
c[0], c[1], c[2], c[3], c[4], c[5],
c[0] + c[1] + c[2], c[3] + c[4] + c[5]);
printf(" IDs:%i\n DA:%i\n", totId, totDa);
//Display the counts;
for (y=0; y<3; y++)
{
int totC = 0;
for (x=0; x<512; x++)
{
printf("%3i ", counts[y][x]);
totC += counts[y][x];
int A = counts[y][x]/16;
//int R = counts[y][x]%16;
}
printf(" %i/%i", counts[y][0+255], totC);
printf("\n");
}
printf("GOLUM: %i = %i%%\n", golumb, 100*(golumb/8)/(w*h*3));
printf("FELICS: %i = %i%%\n", felics, 100*(felics/8)/(w*h*3));
for (x=0; x<9; x++)
printf("DIFF %i: %i\n",x, diff[x]);
//For the first row, display field statistics (lossless)
short *sdr = (short*)deriv;
for (y=0; y<h; y++)
{
for (x=0; x<w; x++)
{
for (z=0; z<bpp; z++)
{
if (x==0)
sdr[z + x*bpp + y*bpp*w] = s[z + x*bpp + y*bpp*w];
else
{
sdr[z + x*bpp + y*bpp*w] =
s[z + x*bpp + y*bpp*w]
-s[z + (x-1)*bpp + y*bpp*w];
}
//d[z + x*bpp + y*bpp*w] = clamp(scv[z + x*bpp + y*bpp*w]&0xFF);
}
}
}
short *scv = (short*)curv;
int sbpp = bpp;
//int sbpp = 3;
//s = yuv;
for (y=0; y<h; y++)
{
for (x=0; x<w; x++)
{
for (z=0; z<bpp; z++)
{
if (x==0)
scv[z + x*bpp + y*bpp*w] = s[z + x*sbpp + y*sbpp*w];
else
{
scv[z + x*bpp + y*bpp*w] = s[z + x*sbpp + y*sbpp*w] - s[z + (x-1)*sbpp + y*sbpp*w];
// s[z + x*bpp + y*bpp*w]
// -s[z + (x-1)*bpp + y*bpp*w];
if (scv[z + x*bpp + y*bpp*w] & 0x100) //2's complemented?
{
scv[z + x*bpp + y*bpp*w] = -scv[z + x*bpp + y*bpp*w];
scv[z + x*bpp + y*bpp*w] |= 0x100;
}
}
d[z + x*bpp + y*bpp*w] = clamp(scv[z + x*bpp + y*bpp*w]&0xFF);
}
}
}
int b;
unsigned short bit = 0x01;
int byteEst = 0;
for (b=0; b<9; b++)
{
printf("\n%i (%x): ", b, bit);
int bin1 = 0;
int bin2 = 0;
int bin3 = 0;
int bin4p = 0;
int maxVal = 0;
int isNumb = scv[0] & bit;
int count = 0;
int curBit = 0;
for (x=0; x<w*h; x++)
{
if ((scv[x*bpp+0] & bit) == isNumb)
count ++;
else
{
if (isNumb) isNumb = 1;
// printf("%i[%i] ", isNumb, count);
if (count == 1) bin1++;
else if (count==2) bin2++;
else if (count==3) bin3++;
else bin4p++;
if (count > maxVal) maxVal = count;
curBit += 1;
isNumb = scv[x*bpp+0] &bit;
count = 1;
}
}
if (isNumb) isNumb = 1;
// printf("%i[%i] ", isNumb, count);
if (count > maxVal) maxVal = count;
if (count == 1) bin1++;
else if (count==2) bin2++;
else if (count==3) bin3++;
else bin4p++;
curBit += 1;
int numBits = 1;
int bitNeeded = 1;
while (maxVal > bitNeeded+1)
{
bitNeeded = bitNeeded << 1;
numBits++;
}
if (curBit * numBits >= w*h)
byteEst += w*h;
else
byteEst += curBit * numBits;
byteEst+=4; //Overhead...
printf("(%i %i %i | %i / %i = %i %%)", bin1, bin2, bin3,
bin1+bin2+bin3, bin4p,
100*bin4p / (bin1+bin2+bin3 +bin4p));
bit = bit << 1;
printf("\n");
}
printf("C: %i U: %i\n", byteEst, w*h*8);
//short *cX = malloc(w*h*sizeof(short));
// short *cY = malloc(w*h*sizeof(short));
// unsigned char *cd = malloc(w*h*bpp*sizeof(unsigned char));
// int numPts = 0;
//See if we can get more spatially distant points...
// for (y=0; y<h; y++)
// {
// for (x=0; x<w; x++)
// {
// for (z=0; z<bpp; z++)
// {
// if (x==0 || y == 0 || x == w-1 || y == h-1)
// deriv[z + x*bpp + y*bpp*w] = 0;
// else
// {
// deriv[z + x*bpp + y*bpp*w] =
// ( s[z + (x-1)*bpp + y*bpp*w]
// -s[z + (x+1)*bpp + y*bpp*w]
// +s[z + x*bpp + (y-1)*bpp*w]
// -s[z + x*bpp + (y+1)*bpp*w])/2;
// }
//
// d[z + x*bpp + y*bpp*w] = s[z + x*bpp + y*bpp*w];
// }
// }
// }
// for (y=0; y<h; y++)
// {
// for (x=0; x<w; x++)
// {
// for (z=0; z<bpp; z++)
// {
// if (x==0 || y == 0 || x == w-1 || y == h-1)
// curv[z + x*bpp + y*bpp*w] = 0;
// else
// {
// curv[z + x*bpp + y*bpp*w] =
// ( deriv[z + (x-1)*bpp + y*bpp*w]
// -deriv[z + (x+1)*bpp + y*bpp*w]
// +deriv[z + x*bpp + (y-1)*bpp*w]
// -deriv[z + x*bpp + (y+1)*bpp*w])/2;
// }
// }
// }
// }
// bpp = 3;
// s = yuv;
/*for (y=0; y<h; y++)
{
for (x=0; x<w; x++)
{
for (z=0; z<bpp; z++)
{
if (x==0 || y == 0 || x == w-1 || y == h-1)
curv[z + x*bpp + y*bpp*w] = 0;
else
{
curv[z + x*bpp + y*bpp*w] =
( s[z + (x-1)*bpp + y*bpp*w]
+s[z + (x+1)*bpp + y*bpp*w]
+s[z + x*bpp + (y-1)*bpp*w]
+s[z + x*bpp + (y+1)*bpp*w]
-4*s[z + x*bpp + y*bpp*w])/4;
}
//d[z + x*bpp + y*bpp*w] = s[z + x*bpp + y*bpp*w];
}
}
}
//printf("%x\n", d);