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ximadsp.cpp
Package: solidgraph_sources.zip [view]
Upload User: kairuinn
Upload Date: 2009-02-07
Package Size: 2922k
Code Size: 55k
Category:
Graph program
Development Platform:
Visual C++
- // xImaDsp.cpp : DSP functions
- /* 07/08/2001 v1.00 - Davide Pizzolato - www.xdp.it
- * CxImage version 5.99a 08/Feb/2004
- */
- #include "ximage.h"
- #include "ximaiter.h"
- #if CXIMAGE_SUPPORT_DSP
- ////////////////////////////////////////////////////////////////////////////////
- bool CxImage::Threshold(BYTE level)
- {
- if (!pDib) return false;
- if (head.biBitCount == 1) return true;
- GrayScale();
- CxImage tmp(head.biWidth,head.biHeight,1);
- for (long y=0;y<head.biHeight;y++){
- info.nProgress = (long)(100*y/head.biHeight);
- if (info.nEscape) break;
- for (long x=0;x<head.biWidth;x++){
- if (GetPixelIndex(x,y)>level)
- tmp.SetPixelIndex(x,y,1);
- else
- tmp.SetPixelIndex(x,y,0);
- }
- }
- tmp.SetPaletteColor(0,0,0,0);
- tmp.SetPaletteColor(1,255,255,255);
- Transfer(tmp);
- return true;
- }
- ////////////////////////////////////////////////////////////////////////////////
- bool CxImage::SplitRGB(CxImage* r,CxImage* g,CxImage* b)
- {
- if (!pDib) return false;
- if (r==NULL && g==NULL && b==NULL) return false;
- CxImage tmpr(head.biWidth,head.biHeight,8);
- CxImage tmpg(head.biWidth,head.biHeight,8);
- CxImage tmpb(head.biWidth,head.biHeight,8);
- RGBQUAD color;
- for(long y=0; y<head.biHeight; y++){
- for(long x=0; x<head.biWidth; x++){
- color = GetPixelColor(x,y);
- if (r) tmpr.SetPixelIndex(x,y,color.rgbRed);
- if (g) tmpg.SetPixelIndex(x,y,color.rgbGreen);
- if (b) tmpb.SetPixelIndex(x,y,color.rgbBlue);
- }
- }
- if (r) tmpr.SetGrayPalette();
- if (g) tmpg.SetGrayPalette();
- if (b) tmpb.SetGrayPalette();
- /*for(long j=0; j<256; j++){
- BYTE i=(BYTE)j;
- if (r) tmpr.SetPaletteColor(i,i,0,0);
- if (g) tmpg.SetPaletteColor(i,0,i,0);
- if (b) tmpb.SetPaletteColor(i,0,0,i);
- }*/
- if (r) r->Transfer(tmpr);
- if (g) g->Transfer(tmpg);
- if (b) b->Transfer(tmpb);
- return true;
- }
- ////////////////////////////////////////////////////////////////////////////////
- bool CxImage::SplitCMYK(CxImage* c,CxImage* m,CxImage* y,CxImage* k)
- {
- if (!pDib) return false;
- if (c==NULL && m==NULL && y==NULL && k==NULL) return false;
- CxImage tmpc(head.biWidth,head.biHeight,8);
- CxImage tmpm(head.biWidth,head.biHeight,8);
- CxImage tmpy(head.biWidth,head.biHeight,8);
- CxImage tmpk(head.biWidth,head.biHeight,8);
- RGBQUAD color;
- for(long yy=0; yy<head.biHeight; yy++){
- for(long xx=0; xx<head.biWidth; xx++){
- color = GetPixelColor(xx,yy);
- if (c) tmpc.SetPixelIndex(xx,yy,(BYTE)(255-color.rgbRed));
- if (m) tmpm.SetPixelIndex(xx,yy,(BYTE)(255-color.rgbGreen));
- if (y) tmpy.SetPixelIndex(xx,yy,(BYTE)(255-color.rgbBlue));
- if (k) tmpk.SetPixelIndex(xx,yy,(BYTE)RGB2GRAY(color.rgbRed,color.rgbGreen,color.rgbBlue));
- }
- }
- if (c) tmpc.SetGrayPalette();
- if (m) tmpm.SetGrayPalette();
- if (y) tmpy.SetGrayPalette();
- if (k) tmpk.SetGrayPalette();
- if (c) c->Transfer(tmpc);
- if (m) m->Transfer(tmpm);
- if (y) y->Transfer(tmpy);
- if (k) k->Transfer(tmpk);
- return true;
- }
- ////////////////////////////////////////////////////////////////////////////////
- bool CxImage::SplitYUV(CxImage* y,CxImage* u,CxImage* v)
- {
- if (!pDib) return false;
- if (y==NULL && u==NULL && v==NULL) return false;
- CxImage tmpy(head.biWidth,head.biHeight,8);
- CxImage tmpu(head.biWidth,head.biHeight,8);
- CxImage tmpv(head.biWidth,head.biHeight,8);
- RGBQUAD color;
- for(long yy=0; yy<head.biHeight; yy++){
- for(long x=0; x<head.biWidth; x++){
- color = RGBtoYUV(GetPixelColor(x,yy));
- if (y) tmpy.SetPixelIndex(x,yy,color.rgbRed);
- if (u) tmpu.SetPixelIndex(x,yy,color.rgbGreen);
- if (v) tmpv.SetPixelIndex(x,yy,color.rgbBlue);
- }
- }
- if (y) tmpy.SetGrayPalette();
- if (u) tmpu.SetGrayPalette();
- if (v) tmpv.SetGrayPalette();
- if (y) y->Transfer(tmpy);
- if (u) u->Transfer(tmpu);
- if (v) v->Transfer(tmpv);
- return true;
- }
- ////////////////////////////////////////////////////////////////////////////////
- bool CxImage::SplitYIQ(CxImage* y,CxImage* i,CxImage* q)
- {
- if (!pDib) return false;
- if (y==NULL && i==NULL && q==NULL) return false;
- CxImage tmpy(head.biWidth,head.biHeight,8);
- CxImage tmpi(head.biWidth,head.biHeight,8);
- CxImage tmpq(head.biWidth,head.biHeight,8);
- RGBQUAD color;
- for(long yy=0; yy<head.biHeight; yy++){
- for(long x=0; x<head.biWidth; x++){
- color = RGBtoYIQ(GetPixelColor(x,yy));
- if (y) tmpy.SetPixelIndex(x,yy,color.rgbRed);
- if (i) tmpi.SetPixelIndex(x,yy,color.rgbGreen);
- if (q) tmpq.SetPixelIndex(x,yy,color.rgbBlue);
- }
- }
- if (y) tmpy.SetGrayPalette();
- if (i) tmpi.SetGrayPalette();
- if (q) tmpq.SetGrayPalette();
- if (y) y->Transfer(tmpy);
- if (i) i->Transfer(tmpi);
- if (q) q->Transfer(tmpq);
- return true;
- }
- ////////////////////////////////////////////////////////////////////////////////
- bool CxImage::SplitXYZ(CxImage* x,CxImage* y,CxImage* z)
- {
- if (!pDib) return false;
- if (x==NULL && y==NULL && z==NULL) return false;
- CxImage tmpx(head.biWidth,head.biHeight,8);
- CxImage tmpy(head.biWidth,head.biHeight,8);
- CxImage tmpz(head.biWidth,head.biHeight,8);
- RGBQUAD color;
- for(long yy=0; yy<head.biHeight; yy++){
- for(long xx=0; xx<head.biWidth; xx++){
- color = RGBtoXYZ(GetPixelColor(xx,yy));
- if (x) tmpx.SetPixelIndex(xx,yy,color.rgbRed);
- if (y) tmpy.SetPixelIndex(xx,yy,color.rgbGreen);
- if (z) tmpz.SetPixelIndex(xx,yy,color.rgbBlue);
- }
- }
- if (x) tmpx.SetGrayPalette();
- if (y) tmpy.SetGrayPalette();
- if (z) tmpz.SetGrayPalette();
- if (x) x->Transfer(tmpx);
- if (y) y->Transfer(tmpy);
- if (z) z->Transfer(tmpz);
- return true;
- }////////////////////////////////////////////////////////////////////////////////
- bool CxImage::SplitHSL(CxImage* h,CxImage* s,CxImage* l)
- {
- if (!pDib) return false;
- if (h==NULL && s==NULL && l==NULL) return false;
- CxImage tmph(head.biWidth,head.biHeight,8);
- CxImage tmps(head.biWidth,head.biHeight,8);
- CxImage tmpl(head.biWidth,head.biHeight,8);
- RGBQUAD color;
- for(long y=0; y<head.biHeight; y++){
- for(long x=0; x<head.biWidth; x++){
- color = RGBtoHSL(GetPixelColor(x,y));
- if (h) tmph.SetPixelIndex(x,y,color.rgbRed);
- if (s) tmps.SetPixelIndex(x,y,color.rgbGreen);
- if (l) tmpl.SetPixelIndex(x,y,color.rgbBlue);
- }
- }
- if (h) tmph.SetGrayPalette();
- if (s) tmps.SetGrayPalette();
- if (l) tmpl.SetGrayPalette();
- /* pseudo-color generator for hue channel (visual debug)
- if (h) for(long j=0; j<256; j++){
- BYTE i=(BYTE)j;
- RGBQUAD hsl={120,240,i,0};
- tmph.SetPaletteColor(i,HSLtoRGB(hsl));
- }*/
- if (h) h->Transfer(tmph);
- if (s) s->Transfer(tmps);
- if (l) l->Transfer(tmpl);
- return true;
- }
- ////////////////////////////////////////////////////////////////////////////////
- #define HSLMAX 255 /* H,L, and S vary over 0-HSLMAX */
- #define RGBMAX 255 /* R,G, and B vary over 0-RGBMAX */
- /* HSLMAX BEST IF DIVISIBLE BY 6 */
- /* RGBMAX, HSLMAX must each fit in a BYTE. */
- /* Hue is undefined if Saturation is 0 (grey-scale) */
- /* This value determines where the Hue scrollbar is */
- /* initially set for achromatic colors */
- #define UNDEFINED (HSLMAX*2/3)
- ////////////////////////////////////////////////////////////////////////////////
- RGBQUAD CxImage::RGBtoHSL(RGBQUAD lRGBColor)
- {
- BYTE R,G,B; /* input RGB values */
- BYTE H,L,S; /* output HSL values */
- BYTE cMax,cMin; /* max and min RGB values */
- WORD Rdelta,Gdelta,Bdelta; /* intermediate value: % of spread from max*/
- R = lRGBColor.rgbRed; /* get R, G, and B out of DWORD */
- G = lRGBColor.rgbGreen;
- B = lRGBColor.rgbBlue;
- cMax = max( max(R,G), B); /* calculate lightness */
- cMin = min( min(R,G), B);
- L = (BYTE)((((cMax+cMin)*HSLMAX)+RGBMAX)/(2*RGBMAX));
- if (cMax==cMin){ /* r=g=b --> achromatic case */
- S = 0; /* saturation */
- H = UNDEFINED; /* hue */
- } else { /* chromatic case */
- if (L <= (HSLMAX/2)) /* saturation */
- S = (BYTE)((((cMax-cMin)*HSLMAX)+((cMax+cMin)/2))/(cMax+cMin));
- else
- S = (BYTE)((((cMax-cMin)*HSLMAX)+((2*RGBMAX-cMax-cMin)/2))/(2*RGBMAX-cMax-cMin));
- /* hue */
- Rdelta = (WORD)((((cMax-R)*(HSLMAX/6)) + ((cMax-cMin)/2) ) / (cMax-cMin));
- Gdelta = (WORD)((((cMax-G)*(HSLMAX/6)) + ((cMax-cMin)/2) ) / (cMax-cMin));
- Bdelta = (WORD)((((cMax-B)*(HSLMAX/6)) + ((cMax-cMin)/2) ) / (cMax-cMin));
- if (R == cMax)
- H = (BYTE)(Bdelta - Gdelta);
- else if (G == cMax)
- H = (BYTE)((HSLMAX/3) + Rdelta - Bdelta);
- else /* B == cMax */
- H = (BYTE)(((2*HSLMAX)/3) + Gdelta - Rdelta);
- // if (H < 0) H += HSLMAX; //always false
- if (H > HSLMAX) H -= HSLMAX;
- }
- RGBQUAD hsl={L,S,H,0};
- return hsl;
- }
- ////////////////////////////////////////////////////////////////////////////////
- float CxImage::HueToRGB(float n1,float n2, float hue)
- {
- //<F. Livraghi> fixed implementation for HSL2RGB routine
- float rValue;
- if (hue > 360)
- hue = hue - 360;
- else if (hue < 0)
- hue = hue + 360;
- if (hue < 60)
- rValue = n1 + (n2-n1)*hue/60.0f;
- else if (hue < 180)
- rValue = n2;
- else if (hue < 240)
- rValue = n1+(n2-n1)*(240-hue)/60;
- else
- rValue = n1;
- return rValue;
- }
- ////////////////////////////////////////////////////////////////////////////////
- RGBQUAD CxImage::HSLtoRGB(COLORREF cHSLColor)
- {
- return HSLtoRGB(RGBtoRGBQUAD(cHSLColor));
- }
- ////////////////////////////////////////////////////////////////////////////////
- RGBQUAD CxImage::HSLtoRGB(RGBQUAD lHSLColor)
- {
- //<F. Livraghi> fixed implementation for HSL2RGB routine
- float h,s,l;
- float m1,m2;
- BYTE r,g,b;
- h = (float)lHSLColor.rgbRed * 360.0f/255.0f;
- s = (float)lHSLColor.rgbGreen/255.0f;
- l = (float)lHSLColor.rgbBlue/255.0f;
- if (l <= 0.5) m2 = l * (1+s);
- else m2 = l + s - l*s;
- m1 = 2 * l - m2;
- if (s == 0) {
- r=g=b=(BYTE)(l*255.0f);
- } else {
- r = (BYTE)(HueToRGB(m1,m2,h+120) * 255.0f);
- g = (BYTE)(HueToRGB(m1,m2,h) * 255.0f);
- b = (BYTE)(HueToRGB(m1,m2,h-120) * 255.0f);
- }
- RGBQUAD rgb = {b,g,r,0};
- return rgb;
- }
- ////////////////////////////////////////////////////////////////////////////////
- RGBQUAD CxImage::YUVtoRGB(RGBQUAD lYUVColor)
- {
- int U,V,R,G,B;
- float Y = lYUVColor.rgbRed;
- U = lYUVColor.rgbGreen - 128;
- V = lYUVColor.rgbBlue - 128;
- // R = (int)(1.164 * Y + 2.018 * U);
- // G = (int)(1.164 * Y - 0.813 * V - 0.391 * U);
- // B = (int)(1.164 * Y + 1.596 * V);
- R = (int)( Y + 1.403f * V);
- G = (int)( Y - 0.344f * U - 0.714f * V);
- B = (int)( Y + 1.770f * U);
- R= min(255,max(0,R));
- G= min(255,max(0,G));
- B= min(255,max(0,B));
- RGBQUAD rgb={(BYTE)B,(BYTE)G,(BYTE)R,0};
- return rgb;
- }
- ////////////////////////////////////////////////////////////////////////////////
- RGBQUAD CxImage::RGBtoYUV(RGBQUAD lRGBColor)
- {
- int Y,U,V,R,G,B;
- R = lRGBColor.rgbRed;
- G = lRGBColor.rgbGreen;
- B = lRGBColor.rgbBlue;
- // Y = (int)( 0.257 * R + 0.504 * G + 0.098 * B);
- // U = (int)( 0.439 * R - 0.368 * G - 0.071 * B + 128);
- // V = (int)(-0.148 * R - 0.291 * G + 0.439 * B + 128);
- Y = (int)(0.299f * R + 0.587f * G + 0.114f * B);
- U = (int)((B-Y) * 0.565f + 128);
- V = (int)((R-Y) * 0.713f + 128);
- Y= min(255,max(0,Y));
- U= min(255,max(0,U));
- V= min(255,max(0,V));
- RGBQUAD yuv={(BYTE)V,(BYTE)U,(BYTE)Y,0};
- return yuv;
- }
- ////////////////////////////////////////////////////////////////////////////////
- RGBQUAD CxImage::YIQtoRGB(RGBQUAD lYIQColor)
- {
- int I,Q,R,G,B;
- float Y = lYIQColor.rgbRed;
- I = lYIQColor.rgbGreen - 128;
- Q = lYIQColor.rgbBlue - 128;
- R = (int)( Y + 0.956f * I + 0.621f * Q);
- G = (int)( Y - 0.273f * I - 0.647f * Q);
- B = (int)( Y - 1.104f * I + 1.701f * Q);
- R= min(255,max(0,R));
- G= min(255,max(0,G));
- B= min(255,max(0,B));
- RGBQUAD rgb={(BYTE)B,(BYTE)G,(BYTE)R,0};
- return rgb;
- }
- ////////////////////////////////////////////////////////////////////////////////
- RGBQUAD CxImage::RGBtoYIQ(RGBQUAD lRGBColor)
- {
- int Y,I,Q,R,G,B;
- R = lRGBColor.rgbRed;
- G = lRGBColor.rgbGreen;
- B = lRGBColor.rgbBlue;
- Y = (int)( 0.2992f * R + 0.5868f * G + 0.1140f * B);
- I = (int)( 0.5960f * R - 0.2742f * G - 0.3219f * B + 128);
- Q = (int)( 0.2109f * R - 0.5229f * G + 0.3120f * B + 128);
- Y= min(255,max(0,Y));
- I= min(255,max(0,I));
- Q= min(255,max(0,Q));
- RGBQUAD yiq={(BYTE)Q,(BYTE)I,(BYTE)Y,0};
- return yiq;
- }
- ////////////////////////////////////////////////////////////////////////////////
- RGBQUAD CxImage::XYZtoRGB(RGBQUAD lXYZColor)
- {
- int X,Y,Z,R,G,B;
- X = lXYZColor.rgbRed;
- Y = lXYZColor.rgbGreen;
- Z = lXYZColor.rgbBlue;
- double k=1.088751;
- R = (int)( 3.240479f * X - 1.537150f * Y - 0.498535f * Z * k);
- G = (int)( -0.969256f * X + 1.875992f * Y + 0.041556f * Z * k);
- B = (int)( 0.055648f * X - 0.204043f * Y + 1.057311f * Z * k);
- R= min(255,max(0,R));
- G= min(255,max(0,G));
- B= min(255,max(0,B));
- RGBQUAD rgb={(BYTE)B,(BYTE)G,(BYTE)R,0};
- return rgb;
- }
- ////////////////////////////////////////////////////////////////////////////////
- RGBQUAD CxImage::RGBtoXYZ(RGBQUAD lRGBColor)
- {
- int X,Y,Z,R,G,B;
- R = lRGBColor.rgbRed;
- G = lRGBColor.rgbGreen;
- B = lRGBColor.rgbBlue;
- X = (int)( 0.412453f * R + 0.357580f * G + 0.180423f * B);
- Y = (int)( 0.212671f * R + 0.715160f * G + 0.072169f * B);
- Z = (int)((0.019334f * R + 0.119193f * G + 0.950227f * B)*0.918483657f);
- //X= min(255,max(0,X));
- //Y= min(255,max(0,Y));
- //Z= min(255,max(0,Z));
- RGBQUAD xyz={(BYTE)Z,(BYTE)Y,(BYTE)X,0};
- return xyz;
- }
- ////////////////////////////////////////////////////////////////////////////////
- void CxImage::HuePalette(float correction)
- {
- if (head.biClrUsed==0) return;
- for(DWORD j=0; j<head.biClrUsed; j++){
- BYTE i=(BYTE)(j*correction*(255/(head.biClrUsed-1)));
- RGBQUAD hsl={120,240,i,0};
- SetPaletteColor((BYTE)j,HSLtoRGB(hsl));
- }
- }
- ////////////////////////////////////////////////////////////////////////////////
- bool CxImage::Colorize(BYTE hue, BYTE sat)
- {
- if (!pDib) return false;
- RGBQUAD color;
- if (head.biClrUsed==0){
- long xmin,xmax,ymin,ymax;
- if (pSelection){
- xmin = info.rSelectionBox.left; xmax = info.rSelectionBox.right;
- ymin = info.rSelectionBox.bottom; ymax = info.rSelectionBox.top;
- } else {
- xmin = ymin = 0;
- xmax = head.biWidth; ymax=head.biHeight;
- }
- for(long y=ymin; y<ymax; y++){
- for(long x=xmin; x<xmax; x++){
- #if CXIMAGE_SUPPORT_SELECTION
- if (SelectionIsInside(x,y))
- #endif //CXIMAGE_SUPPORT_SELECTION
- {
- color = RGBtoHSL(GetPixelColor(x,y));
- color.rgbRed=hue;
- color.rgbGreen=sat;
- SetPixelColor(x,y,HSLtoRGB(color));
- }
- }
- }
- } else {
- for(DWORD j=0; j<head.biClrUsed; j++){
- color = RGBtoHSL(GetPaletteColor((BYTE)j));
- color.rgbRed=hue;
- color.rgbGreen=sat;
- SetPaletteColor((BYTE)j,HSLtoRGB(color));
- }
- }
- return true;
- }
- ////////////////////////////////////////////////////////////////////////////////
- bool CxImage::Light(long brightness, long contrast)
- {
- if (!pDib) return false;
- float c=(100 + contrast)/100.0f;
- brightness+=128;
- BYTE cTable[256]; //<nipper>
- for (int i=0;i<256;i++) {
- cTable[i] = (BYTE)max(0,min(255,(int)((i-128)*c + brightness)));
- }
- return Lut(cTable);
- }
- ////////////////////////////////////////////////////////////////////////////////
- float CxImage::Mean()
- {
- if (!pDib) return 0;
- CxImage tmp(*this,true);
- tmp.GrayScale();
- float sum=0;
- long xmin,xmax,ymin,ymax;
- if (pSelection){
- xmin = info.rSelectionBox.left; xmax = info.rSelectionBox.right;
- ymin = info.rSelectionBox.bottom; ymax = info.rSelectionBox.top;
- } else {
- xmin = ymin = 0;
- xmax = head.biWidth; ymax=head.biHeight;
- }
- if (xmin==xmax || ymin==ymax) return (float)0.0;
- BYTE *iSrc=tmp.info.pImage;
- for(long y=ymin; y<ymax; y++){
- info.nProgress = (long)(100*y/ymax); //<Anatoly Ivasyuk>
- for(long x=xmin; x<xmax; x++){
- sum+=iSrc[x];
- }
- iSrc+=tmp.info.dwEffWidth;
- }
- return sum/(xmax-xmin)/(ymax-ymin);
- }
- ////////////////////////////////////////////////////////////////////////////////
- bool CxImage::Filter(long* kernel, long Ksize, long Kfactor, long Koffset)
- {
- if (!pDib) return false;
- long k2 = Ksize/2;
- long kmax= Ksize-k2;
- long r,g,b,i;
- RGBQUAD c;
- CxImage tmp(*this,pSelection!=0,true,true);
- long xmin,xmax,ymin,ymax;
- if (pSelection){
- xmin = info.rSelectionBox.left; xmax = info.rSelectionBox.right;
- ymin = info.rSelectionBox.bottom; ymax = info.rSelectionBox.top;
- } else {
- xmin = ymin = 0;
- xmax = head.biWidth; ymax=head.biHeight;
- }
- if ((head.biBitCount==8) && IsGrayScale())
- {
- unsigned char* cPtr;
- unsigned char* cPtr2;
- int iCount;
- int iY, iY2, iY1;
- cPtr = info.pImage;
- cPtr2 = (unsigned char *)tmp.info.pImage;
- if (Kfactor==0) Kfactor = 1;
- for(long y=ymin; y<ymax; y++){
- info.nProgress = (long)(100*y/head.biHeight);
- if (info.nEscape) break;
- for(long x=xmin; x<xmax; x++){
- iY1 = y*info.dwEffWidth+x;
- #if CXIMAGE_SUPPORT_SELECTION
- if (SelectionIsInside(x,y))
- #endif //CXIMAGE_SUPPORT_SELECTION
- {
- if (y-k2 > 0 && (y+kmax-1) < head.biHeight && x-k2 > 0 && (x+kmax-1) < head.biWidth)
- {
- b=0;
- iCount = 0;
- iY2 = ((y-k2)*info.dwEffWidth);
- for(long j=-k2;j<kmax;j++)
- {
- iY = iY2+x;
- for(long k=-k2;k<kmax;k++)
- {
- i=kernel[iCount];
- b += cPtr[iY+k] * i;
- iCount++;
- }
- iY2 += info.dwEffWidth;
- }
- cPtr2[iY1] = (BYTE)min(255, max(0,(int)(b/Kfactor + Koffset)));
- }
- else
- cPtr2[iY1] = cPtr[iY1];
- }
- }
- }
- }
- else
- {
- for(long y=ymin; y<ymax; y++){
- info.nProgress = (long)(100*y/head.biHeight);
- if (info.nEscape) break;
- for(long x=xmin; x<xmax; x++){
- #if CXIMAGE_SUPPORT_SELECTION
- if (SelectionIsInside(x,y))
- #endif //CXIMAGE_SUPPORT_SELECTION
- {
- r=b=g=0;
- for(long j=-k2;j<kmax;j++){
- for(long k=-k2;k<kmax;k++){
- c=GetPixelColor(x+j,y+k);
- i=kernel[(j+k2)+Ksize*(k+k2)];
- r += c.rgbRed * i;
- g += c.rgbGreen * i;
- b += c.rgbBlue * i;
- }
- }
- if (Kfactor==0){
- c.rgbRed = (BYTE)min(255, max(0,(int)(r + Koffset)));
- c.rgbGreen = (BYTE)min(255, max(0,(int)(g + Koffset)));
- c.rgbBlue = (BYTE)min(255, max(0,(int)(b + Koffset)));
- } else {
- c.rgbRed = (BYTE)min(255, max(0,(int)(r/Kfactor + Koffset)));
- c.rgbGreen = (BYTE)min(255, max(0,(int)(g/Kfactor + Koffset)));
- c.rgbBlue = (BYTE)min(255, max(0,(int)(b/Kfactor + Koffset)));
- }
- tmp.SetPixelColor(x,y,c);
- }
- }
- }
- }
- Transfer(tmp);
- return true;
- }
- ////////////////////////////////////////////////////////////////////////////////
- bool CxImage::Erode(long Ksize)
- {
- if (!pDib) return false;
- long k2 = Ksize/2;
- long kmax= Ksize-k2;
- BYTE r,g,b;
- RGBQUAD c;
- CxImage tmp(*this,pSelection!=0,true,true);
- long xmin,xmax,ymin,ymax;
- if (pSelection){
- xmin = info.rSelectionBox.left; xmax = info.rSelectionBox.right;
- ymin = info.rSelectionBox.bottom; ymax = info.rSelectionBox.top;
- } else {
- xmin = ymin = 0;
- xmax = head.biWidth; ymax=head.biHeight;
- }
- for(long y=ymin; y<ymax; y++){
- info.nProgress = (long)(100*y/head.biHeight);
- if (info.nEscape) break;
- for(long x=xmin; x<xmax; x++){
- #if CXIMAGE_SUPPORT_SELECTION
- if (SelectionIsInside(x,y))
- #endif //CXIMAGE_SUPPORT_SELECTION
- {
- r=b=g=255;
- for(long j=-k2;j<kmax;j++){
- for(long k=-k2;k<kmax;k++){
- c=GetPixelColor(x+j,y+k);
- if (c.rgbRed < r) r=c.rgbRed;
- if (c.rgbGreen < g) g=c.rgbGreen;
- if (c.rgbBlue < b) b=c.rgbBlue;
- }
- }
- c.rgbRed = r;
- c.rgbGreen = g;
- c.rgbBlue = b;
- tmp.SetPixelColor(x,y,c);
- }
- }
- }
- Transfer(tmp);
- return true;
- }
- ////////////////////////////////////////////////////////////////////////////////
- bool CxImage::Dilate(long Ksize)
- {
- if (!pDib) return false;
- long k2 = Ksize/2;
- long kmax= Ksize-k2;
- BYTE r,g,b;
- RGBQUAD c;
- CxImage tmp(*this,pSelection!=0,true,true);
- long xmin,xmax,ymin,ymax;
- if (pSelection){
- xmin = info.rSelectionBox.left; xmax = info.rSelectionBox.right;
- ymin = info.rSelectionBox.bottom; ymax = info.rSelectionBox.top;
- } else {
- xmin = ymin = 0;
- xmax = head.biWidth; ymax=head.biHeight;
- }
- for(long y=ymin; y<ymax; y++){
- info.nProgress = (long)(100*y/head.biHeight);
- if (info.nEscape) break;
- for(long x=xmin; x<xmax; x++){
- #if CXIMAGE_SUPPORT_SELECTION
- if (SelectionIsInside(x,y))
- #endif //CXIMAGE_SUPPORT_SELECTION
- {
- r=b=g=0;
- for(long j=-k2;j<kmax;j++){
- for(long k=-k2;k<kmax;k++){
- c=GetPixelColor(x+j,y+k);
- if (c.rgbRed > r) r=c.rgbRed;
- if (c.rgbGreen > g) g=c.rgbGreen;
- if (c.rgbBlue > b) b=c.rgbBlue;
- }
- }
- c.rgbRed = r;
- c.rgbGreen = g;
- c.rgbBlue = b;
- tmp.SetPixelColor(x,y,c);
- }
- }
- }
- Transfer(tmp);
- return true;
- }
- ////////////////////////////////////////////////////////////////////////////////
- // thanks to Mwolski <mpwolski(at)hotmail(dot)com>
- void CxImage::Mix(CxImage & imgsrc2, ImageOpType op, long lXOffset, long lYOffset)
- {
- long lWide = min(GetWidth(),imgsrc2.GetWidth()-lXOffset);
- long lHeight = min(GetHeight(),imgsrc2.GetHeight()-lYOffset);
- RGBQUAD rgbBackgrnd = GetTransColor();
- RGBQUAD rgb1, rgb2, rgbDest;
- for(long lY=0;lY<lHeight;lY++)
- {
- info.nProgress = (long)(100*lY/head.biHeight);
- if (info.nEscape) break;
- for(long lX=0;lX<lWide;lX++)
- {
- #if CXIMAGE_SUPPORT_SELECTION
- if (SelectionIsInside(lX,lY) && imgsrc2.SelectionIsInside(lX+lXOffset,lY+lYOffset))
- #endif //CXIMAGE_SUPPORT_SELECTION
- {
- rgb1 = GetPixelColor(lX,lY);
- rgb2 = imgsrc2.GetPixelColor(lX+lXOffset,lY+lYOffset);
- switch(op)
- {
- case OpAdd:
- rgbDest.rgbBlue = (BYTE)max(0,min(255,rgb1.rgbBlue+rgb2.rgbBlue));
- rgbDest.rgbGreen = (BYTE)max(0,min(255,rgb1.rgbGreen+rgb2.rgbGreen));
- rgbDest.rgbRed = (BYTE)max(0,min(255,rgb1.rgbRed+rgb2.rgbRed));
- break;
- case OpSub:
- rgbDest.rgbBlue = (BYTE)max(0,min(255,rgb1.rgbBlue-rgb2.rgbBlue));
- rgbDest.rgbGreen = (BYTE)max(0,min(255,rgb1.rgbGreen-rgb2.rgbGreen));
- rgbDest.rgbRed = (BYTE)max(0,min(255,rgb1.rgbRed-rgb2.rgbRed));
- break;
- case OpAnd:
- rgbDest.rgbBlue = (BYTE)(rgb1.rgbBlue&rgb2.rgbBlue);
- rgbDest.rgbGreen = (BYTE)(rgb1.rgbGreen&rgb2.rgbGreen);
- rgbDest.rgbRed = (BYTE)(rgb1.rgbRed&rgb2.rgbRed);
- break;
- case OpXor:
- rgbDest.rgbBlue = (BYTE)(rgb1.rgbBlue^rgb2.rgbBlue);
- rgbDest.rgbGreen = (BYTE)(rgb1.rgbGreen^rgb2.rgbGreen);
- rgbDest.rgbRed = (BYTE)(rgb1.rgbRed^rgb2.rgbRed);
- break;
- case OpOr:
- rgbDest.rgbBlue = (BYTE)(rgb1.rgbBlue|rgb2.rgbBlue);
- rgbDest.rgbGreen = (BYTE)(rgb1.rgbGreen|rgb2.rgbGreen);
- rgbDest.rgbRed = (BYTE)(rgb1.rgbRed|rgb2.rgbRed);
- break;
- case OpMask:
- if(rgb2.rgbBlue==0 && rgb2.rgbGreen==0 && rgb2.rgbRed==0)
- rgbDest = rgbBackgrnd;
- else
- rgbDest = rgb1;
- break;
- case OpSrcCopy:
- if(memcmp(&rgb1,&rgbBackgrnd,sizeof(RGBQUAD))==0)
- rgbDest = rgb2;
- else // copy straight over
- rgbDest = rgb1;
- break;
- case OpDstCopy:
- if(memcmp(&rgb2,&rgbBackgrnd,sizeof(RGBQUAD))==0)
- rgbDest = rgb1;
- else // copy straight over
- rgbDest = rgb2;
- break;
- case OpSrcBlend:
- if(memcmp(&rgb1,&rgbBackgrnd,sizeof(RGBQUAD))==0)
- rgbDest = rgb2;
- else
- {
- long lBDiff = abs(rgb1.rgbBlue - rgbBackgrnd.rgbBlue);
- long lGDiff = abs(rgb1.rgbGreen - rgbBackgrnd.rgbGreen);
- long lRDiff = abs(rgb1.rgbRed - rgbBackgrnd.rgbRed);
- double lAverage = (lBDiff+lGDiff+lRDiff)/3;
- double lThresh = 16;
- double dLarge = lAverage/lThresh;
- double dSmall = (lThresh-lAverage)/lThresh;
- double dSmallAmt = dSmall*((double)rgb2.rgbBlue);
- if( lAverage < lThresh+1){
- rgbDest.rgbBlue = (BYTE)max(0,min(255,(int)(dLarge*((double)rgb1.rgbBlue) +
- dSmallAmt)));
- rgbDest.rgbGreen = (BYTE)max(0,min(255,(int)(dLarge*((double)rgb1.rgbGreen) +
- dSmallAmt)));
- rgbDest.rgbRed = (BYTE)max(0,min(255,(int)(dLarge*((double)rgb1.rgbRed) +
- dSmallAmt)));
- }
- else
- rgbDest = rgb1;
- }
- break;
- default:
- return;
- }
- SetPixelColor(lX,lY,rgbDest);
- }
- }
- }
- }
- ////////////////////////////////////////////////////////////////////////////////
- // thanks to Kenneth Ballard
- void CxImage::MixFrom(CxImage & imagesrc2, long lXOffset, long lYOffset)
- {
- RGBQUAD rgbBackgrnd = imagesrc2.GetTransColor();
- RGBQUAD rgb1;
- long width = imagesrc2.GetWidth();
- long height = imagesrc2.GetHeight();
- int x, y;
- for(x = 0; x < width; x++)
- {
- for(y = 0; y < height; y++)
- {
- rgb1 = imagesrc2.GetPixelColor(x, y);
- if(memcmp(&rgb1, &rgbBackgrnd, sizeof(RGBQUAD)) != 0)
- SetPixelColor(x + lXOffset, y + lYOffset, rgb1);
- }
- }
- }
- ////////////////////////////////////////////////////////////////////////////////
- bool CxImage::ShiftRGB(long r, long g, long b)
- {
- if (!pDib) return false;
- RGBQUAD color;
- if (head.biClrUsed==0){
- long xmin,xmax,ymin,ymax;
- if (pSelection){
- xmin = info.rSelectionBox.left; xmax = info.rSelectionBox.right;
- ymin = info.rSelectionBox.bottom; ymax = info.rSelectionBox.top;
- } else {
- xmin = ymin = 0;
- xmax = head.biWidth; ymax=head.biHeight;
- }
- for(long y=ymin; y<ymax; y++){
- for(long x=xmin; x<xmax; x++){
- #if CXIMAGE_SUPPORT_SELECTION
- if (SelectionIsInside(x,y))
- #endif //CXIMAGE_SUPPORT_SELECTION
- {
- color = GetPixelColor(x,y);
- color.rgbRed = (BYTE)max(0,min(255,(int)(color.rgbRed + r)));
- color.rgbGreen = (BYTE)max(0,min(255,(int)(color.rgbGreen + g)));
- color.rgbBlue = (BYTE)max(0,min(255,(int)(color.rgbBlue + b)));
- SetPixelColor(x,y,color);
- }
- }
- }
- } else {
- for(DWORD j=0; j<head.biClrUsed; j++){
- color = GetPaletteColor((BYTE)j);
- color.rgbRed = (BYTE)max(0,min(255,(int)(color.rgbRed + r)));
- color.rgbGreen = (BYTE)max(0,min(255,(int)(color.rgbGreen + g)));
- color.rgbBlue = (BYTE)max(0,min(255,(int)(color.rgbBlue + b)));
- SetPaletteColor((BYTE)j,color);
- }
- }
- return true;
- }
- ////////////////////////////////////////////////////////////////////////////////
- bool CxImage::Gamma(float gamma)
- {
- if (!pDib) return false;
- double dinvgamma = 1/gamma;
- double dMax = pow(255.0, dinvgamma) / 255.0;
- BYTE cTable[256]; //<nipper>
- for (int i=0;i<256;i++) {
- cTable[i] = (BYTE)max(0,min(255,(int)( pow((double)i, dinvgamma) / dMax)));
- }
- return Lut(cTable);
- }
- ////////////////////////////////////////////////////////////////////////////////
- #if CXIMAGE_SUPPORT_WINCE == 0
- bool CxImage::Median(long Ksize)
- {
- if (!pDib) return false;
- long k2 = Ksize/2;
- long kmax= Ksize-k2;
- long i,j,k;
- RGBQUAD* kernel = (RGBQUAD*)malloc(Ksize*Ksize*sizeof(RGBQUAD));
- CxImage tmp(*this,pSelection!=0,true,true);
- long xmin,xmax,ymin,ymax;
- if (pSelection){
- xmin = info.rSelectionBox.left; xmax = info.rSelectionBox.right;
- ymin = info.rSelectionBox.bottom; ymax = info.rSelectionBox.top;
- } else {
- xmin = ymin = 0;
- xmax = head.biWidth; ymax=head.biHeight;
- }
- for(long y=ymin; y<ymax; y++){
- info.nProgress = (long)(100*y/head.biHeight);
- if (info.nEscape) break;
- for(long x=xmin; x<xmax; x++){
- #if CXIMAGE_SUPPORT_SELECTION
- if (SelectionIsInside(x,y))
- #endif //CXIMAGE_SUPPORT_SELECTION
- {
- for(j=-k2, i=0;j<kmax;j++)
- for(k=-k2;k<kmax;k++, i++)
- kernel[i]=GetPixelColor(x+j,y+k);
- qsort(kernel, i, sizeof(RGBQUAD), CompareColors);
- tmp.SetPixelColor(x,y,kernel[i/2]);
- }
- }
- }
- free(kernel);
- Transfer(tmp);
- return true;
- }
- #endif //CXIMAGE_SUPPORT_WINCE
- ////////////////////////////////////////////////////////////////////////////////
- bool CxImage::Noise(long level)
- {
- if (!pDib) return false;
- RGBQUAD color;
- long xmin,xmax,ymin,ymax,n;
- if (pSelection){
- xmin = info.rSelectionBox.left; xmax = info.rSelectionBox.right;
- ymin = info.rSelectionBox.bottom; ymax = info.rSelectionBox.top;
- } else {
- xmin = ymin = 0;
- xmax = head.biWidth; ymax=head.biHeight;
- }
- for(long y=ymin; y<ymax; y++){
- info.nProgress = (long)(100*y/ymax); //<Anatoly Ivasyuk>
- for(long x=xmin; x<xmax; x++){
- #if CXIMAGE_SUPPORT_SELECTION
- if (SelectionIsInside(x,y))
- #endif //CXIMAGE_SUPPORT_SELECTION
- {
- color = GetPixelColor(x,y);
- n=(long)((rand()/(float)RAND_MAX - 0.5)*level);
- color.rgbRed = (BYTE)max(0,min(255,(int)(color.rgbRed + n)));
- n=(long)((rand()/(float)RAND_MAX - 0.5)*level);
- color.rgbGreen = (BYTE)max(0,min(255,(int)(color.rgbGreen + n)));
- n=(long)((rand()/(float)RAND_MAX - 0.5)*level);
- color.rgbBlue = (BYTE)max(0,min(255,(int)(color.rgbBlue + n)));
- SetPixelColor(x,y,color);
- }
- }
- }
- return true;
- }
- ////////////////////////////////////////////////////////////////////////////////
- #ifndef __BORLANDC__
- ////////////////////////////////////////////////////////////////////////////////
- bool CxImage::FFT2(CxImage* srcReal, CxImage* srcImag, CxImage* dstReal, CxImage* dstImag,
- long direction, bool bForceFFT, bool bMagnitude)
- {
- //check if there is something to convert
- if (srcReal==NULL && srcImag==NULL) return false;
- long w,h;
- //get width and height
- if (srcReal) {
- w=srcReal->GetWidth();
- h=srcReal->GetHeight();
- } else {
- w=srcImag->GetWidth();
- h=srcImag->GetHeight();
- }
- bool bXpow2 = IsPowerof2(w);
- bool bYpow2 = IsPowerof2(h);
- //if bForceFFT, width AND height must be powers of 2
- if (bForceFFT && !(bXpow2 && bYpow2)) {
- long i;
- i=0;
- while((1<<i)<w) i++;
- w=1<<i;
- bXpow2=true;
- i=0;
- while((1<<i)<h) i++;
- h=1<<i;
- bYpow2=true;
- }
- // I/O images for FFT
- CxImage *tmpReal,*tmpImag;
- // select output
- tmpReal = (dstReal) ? dstReal : srcReal;
- tmpImag = (dstImag) ? dstImag : srcImag;
- // src!=dst -> copy the image
- if (srcReal && dstReal) tmpReal->Copy(*srcReal,true,false,false);
- if (srcImag && dstImag) tmpImag->Copy(*srcImag,true,false,false);
- // dst&&src are empty -> create new one, else turn to GrayScale
- if (srcReal==0 && dstReal==0){
- tmpReal = new CxImage(w,h,8);
- tmpReal->Clear(0);
- tmpReal->SetGrayPalette();
- } else {
- if (!tmpReal->IsGrayScale()) tmpReal->GrayScale();
- }
- if (srcImag==0 && dstImag==0){
- tmpImag = new CxImage(w,h,8);
- tmpImag->Clear(0);
- tmpImag->SetGrayPalette();
- } else {
- if (!tmpImag->IsGrayScale()) tmpImag->GrayScale();
- }
- if (!(tmpReal->IsValid() && tmpImag->IsValid())){
- if (srcReal==0 && dstReal==0) delete tmpReal;
- if (srcImag==0 && dstImag==0) delete tmpImag;
- return false;
- }
- //resample for FFT, if necessary
- tmpReal->Resample(w,h,0);
- tmpImag->Resample(w,h,0);
- //ok, here we have 2 (w x h), grayscale images ready for a FFT
- double* real;
- double* imag;
- long j,k,m;
- _complex **grid;
- //double mean = tmpReal->Mean();
- /* Allocate memory for the grid */
- grid = (_complex **)malloc(w * sizeof(_complex));
- for (k=0;k<w;k++) {
- grid[k] = (_complex *)malloc(h * sizeof(_complex));
- }
- for (j=0;j<h;j++) {
- for (k=0;k<w;k++) {
- grid[k][j].x = tmpReal->GetPixelIndex(k,j)-128;
- grid[k][j].y = tmpImag->GetPixelIndex(k,j)-128;
- }
- }
- //DFT buffers
- double *real2,*imag2;
- real2 = (double*)malloc(max(w,h) * sizeof(double));
- imag2 = (double*)malloc(max(w,h) * sizeof(double));
- /* Transform the rows */
- real = (double *)malloc(w * sizeof(double));
- imag = (double *)malloc(w * sizeof(double));
- m=0;
- while((1<<m)<w) m++;
- for (j=0;j<h;j++) {
- for (k=0;k<w;k++) {
- real[k] = grid[k][j].x;
- imag[k] = grid[k][j].y;
- }
- if (bXpow2) FFT(direction,m,real,imag);
- else DFT(direction,w,real,imag,real2,imag2);
- for (k=0;k<w;k++) {
- grid[k][j].x = real[k];
- grid[k][j].y = imag[k];
- }
- }
- free(real);
- free(imag);
- /* Transform the columns */
- real = (double *)malloc(h * sizeof(double));
- imag = (double *)malloc(h * sizeof(double));
- m=0;
- while((1<<m)<h) m++;
- for (k=0;k<w;k++) {
- for (j=0;j<h;j++) {
- real[j] = grid[k][j].x;
- imag[j] = grid[k][j].y;
- }
- if (bYpow2) FFT(direction,m,real,imag);
- else DFT(direction,h,real,imag,real2,imag2);
- for (j=0;j<h;j++) {
- grid[k][j].x = real[j];
- grid[k][j].y = imag[j];
- }
- }
- free(real);
- free(imag);
- free(real2);
- free(imag2);
- /* converting from double to byte, there is a HUGE loss in the dynamics
- "nn" tries to keep an acceptable SNR, but 8bit=48dB: don't ask more */
- double nn=pow((double)2,(double)log((double)max(w,h))/(double)log((double)2)-4);
- //reversed gain for reversed transform
- if (direction==-1) nn=1/nn;
- //bMagnitude : just to see it on the screen
- if (bMagnitude) nn*=4;
- for (j=0;j<h;j++) {
- for (k=0;k<w;k++) {
- if (bMagnitude){
- tmpReal->SetPixelIndex(k,j,(BYTE)max(0,min(255,(nn*(3+log(_cabs(grid[k][j])))))));
- if (grid[k][j].x==0){
- tmpImag->SetPixelIndex(k,j,(BYTE)max(0,min(255,(128+(atan(grid[k][j].y/0.0000000001)*nn)))));
- } else {
- tmpImag->SetPixelIndex(k,j,(BYTE)max(0,min(255,(128+(atan(grid[k][j].y/grid[k][j].x)*nn)))));
- }
- } else {
- tmpReal->SetPixelIndex(k,j,(BYTE)max(0,min(255,(128 + grid[k][j].x*nn))));
- tmpImag->SetPixelIndex(k,j,(BYTE)max(0,min(255,(128 + grid[k][j].y*nn))));
- }
- }
- }
- for (k=0;k<w;k++) free (grid[k]);
- free (grid);
- if (srcReal==0 && dstReal==0) delete tmpReal;
- if (srcImag==0 && dstImag==0) delete tmpImag;
- return true;
- }
- ////////////////////////////////////////////////////////////////////////////////
- #endif //__BORLANDC__
- ////////////////////////////////////////////////////////////////////////////////
- bool CxImage::IsPowerof2(long x)
- {
- long i=0;
- while ((1<<i)<x) i++;
- if (x==(1<<i)) return true;
- return false;
- }
- ////////////////////////////////////////////////////////////////////////////////
- /*
- This computes an in-place complex-to-complex FFT
- x and y are the real and imaginary arrays of n=2^m points.
- o(n)=n*log2(n)
- dir = 1 gives forward transform
- dir = -1 gives reverse transform
- Written by Paul Bourke, July 1998
- FFT algorithm by Cooley and Tukey, 1965
- */
- bool CxImage::FFT(int dir,int m,double *x,double *y)
- {
- long nn,i,i1,j,k,i2,l,l1,l2;
- double c1,c2,tx,ty,t1,t2,u1,u2,z;
- /* Calculate the number of points */
- nn = 1<<m;
- /* Do the bit reversal */
- i2 = nn >> 1;
- j = 0;
- for (i=0;i<nn-1;i++) {
- if (i < j) {
- tx = x[i];
- ty = y[i];
- x[i] = x[j];
- y[i] = y[j];
- x[j] = tx;
- y[j] = ty;
- }
- k = i2;
- while (k <= j) {
- j -= k;
- k >>= 1;
- }
- j += k;
- }
- /* Compute the FFT */
- c1 = -1.0;
- c2 = 0.0;
- l2 = 1;
- for (l=0;l<m;l++) {
- l1 = l2;
- l2 <<= 1;
- u1 = 1.0;
- u2 = 0.0;
- for (j=0;j<l1;j++) {
- for (i=j;i<nn;i+=l2) {
- i1 = i + l1;
- t1 = u1 * x[i1] - u2 * y[i1];
- t2 = u1 * y[i1] + u2 * x[i1];
- x[i1] = x[i] - t1;
- y[i1] = y[i] - t2;
- x[i] += t1;
- y[i] += t2;
- }
- z = u1 * c1 - u2 * c2;
- u2 = u1 * c2 + u2 * c1;
- u1 = z;
- }
- c2 = sqrt((1.0 - c1) / 2.0);
- if (dir == 1)
- c2 = -c2;
- c1 = sqrt((1.0 + c1) / 2.0);
- }
- /* Scaling for forward transform */
- if (dir == 1) {
- for (i=0;i<nn;i++) {
- x[i] /= (double)nn;
- y[i] /= (double)nn;
- }
- }
- return true;
- }
- ////////////////////////////////////////////////////////////////////////////////
- /*
- Direct fourier transform o(n)=n^2
- Written by Paul Bourke, July 1998
- */
- bool CxImage::DFT(int dir,long m,double *x1,double *y1,double *x2,double *y2)
- {
- long i,k;
- double arg;
- double cosarg,sinarg;
- for (i=0;i<m;i++) {
- x2[i] = 0;
- y2[i] = 0;
- arg = - dir * 2.0 * 3.14159265358f * i / (double)m;
- for (k=0;k<m;k++) {
- cosarg = cos(k * arg);
- sinarg = sin(k * arg);
- x2[i] += (x1[k] * cosarg - y1[k] * sinarg);
- y2[i] += (x1[k] * sinarg + y1[k] * cosarg);
- }
- }
- /* Copy the data back */
- if (dir == 1) {
- for (i=0;i<m;i++) {
- x1[i] = x2[i] / m;
- y1[i] = y2[i] / m;
- }
- } else {
- for (i=0;i<m;i++) {
- x1[i] = x2[i];
- y1[i] = y2[i];
- }
- }
- return true;
- }
- ////////////////////////////////////////////////////////////////////////////////
- bool CxImage::Combine(CxImage* r,CxImage* g,CxImage* b,CxImage* a, long colorspace)
- {
- if (r==0 || g==0 || b==0) return false;
- long w = r->GetWidth();
- long h = r->GetHeight();
- Create(w,h,24);
- g->Resample(w,h);
- b->Resample(w,h);
- if (a) {
- a->Resample(w,h);
- #if CXIMAGE_SUPPORT_ALPHA
- AlphaCreate();
- #endif //CXIMAGE_SUPPORT_ALPHA
- }
- RGBQUAD c;
- for (long y=0;y<h;y++){
- info.nProgress = (long)(100*y/h); //<Anatoly Ivasyuk>
- for (long x=0;x<w;x++){
- c.rgbRed=r->GetPixelIndex(x,y);
- c.rgbGreen=g->GetPixelIndex(x,y);
- c.rgbBlue=b->GetPixelIndex(x,y);
- switch (colorspace){
- case 1:
- SetPixelColor(x,y,HSLtoRGB(c));
- break;
- case 2:
- SetPixelColor(x,y,YUVtoRGB(c));
- break;
- case 3:
- SetPixelColor(x,y,YIQtoRGB(c));
- break;
- case 4:
- SetPixelColor(x,y,XYZtoRGB(c));
- break;
- default:
- SetPixelColor(x,y,c);
- }
- #if CXIMAGE_SUPPORT_ALPHA
- if (a) AlphaSet(x,y,a->GetPixelIndex(x,y));
- #endif //CXIMAGE_SUPPORT_ALPHA
- }
- }
- return true;
- }
- ////////////////////////////////////////////////////////////////////////////////
- bool CxImage::Repair(float radius, long niterations, long colorspace)
- {
- if (!IsValid()) return false;
- long w = GetWidth();
- long h = GetHeight();
- CxImage r,g,b;
- r.Create(w,h,8);
- g.Create(w,h,8);
- b.Create(w,h,8);
- switch (colorspace){
- case 1:
- SplitHSL(&r,&g,&b);
- break;
- case 2:
- SplitYUV(&r,&g,&b);
- break;
- case 3:
- SplitYIQ(&r,&g,&b);
- break;
- case 4:
- SplitXYZ(&r,&g,&b);
- break;
- default:
- SplitRGB(&r,&g,&b);
- }
- for (int i=0; i<niterations; i++){
- RepairChannel(&r,radius);
- RepairChannel(&g,radius);
- RepairChannel(&b,radius);
- }
- CxImage* a=NULL;
- #if CXIMAGE_SUPPORT_ALPHA
- if (AlphaIsValid()){
- a = new CxImage();
- AlphaSplit(a);
- }
- #endif
- Combine(&r,&g,&b,a,colorspace);
- delete a;
- return true;
- }
- ////////////////////////////////////////////////////////////////////////////////
- bool CxImage::RepairChannel(CxImage *ch, float radius)
- {
- if (ch==NULL) return false;
- CxImage tmp(*ch);
- long w = ch->GetWidth()-1;
- long h = ch->GetHeight()-1;
- double correction,ix,iy,ixx,ixy,iyy,den,num;
- int x,y,xy0,xp1,xm1,yp1,ym1;
- for(x=1; x<w; x++){
- for(y=1; y<h; y++){
- xy0 = ch->GetPixelIndex(x,y);
- xm1 = ch->GetPixelIndex(x-1,y);
- xp1 = ch->GetPixelIndex(x+1,y);
- ym1 = ch->GetPixelIndex(x,y-1);
- yp1 = ch->GetPixelIndex(x,y+1);
- ix= (xp1-xm1)/2.0;
- iy= (yp1-ym1)/2.0;
- ixx= xp1 - 2.0 * xy0 + xm1;
- iyy= yp1 - 2.0 * xy0 + ym1;
- ixy=(ch->GetPixelIndex(x+1,y+1)+ch->GetPixelIndex(x-1,y-1)-
- ch->GetPixelIndex(x-1,y+1)-ch->GetPixelIndex(x+1,y-1))/4.0;
- num= (1.0+iy*iy)*ixx - ix*iy*ixy + (1.0+ix*ix)*iyy;
- den= 1.0+ix*ix+iy*iy;
- correction = num/den;
- tmp.SetPixelIndex(x,y,(BYTE)min(255,max(0,(xy0 + radius * correction))));
- }
- }
- for (x=0;x<=w;x++){
- tmp.SetPixelIndex(x,0,ch->GetPixelIndex(x,0));
- tmp.SetPixelIndex(x,h,ch->GetPixelIndex(x,h));
- }
- for (y=0;y<=h;y++){
- tmp.SetPixelIndex(0,y,ch->GetPixelIndex(0,y));
- tmp.SetPixelIndex(w,y,ch->GetPixelIndex(w,y));
- }
- ch->Transfer(tmp);
- return true;
- }
- ////////////////////////////////////////////////////////////////////////////////
- bool CxImage::Contour()
- {
- if (!pDib) return false;
- long Ksize = 3;
- long k2 = Ksize/2;
- long kmax= Ksize-k2;
- long i,j,k;
- BYTE maxr,maxg,maxb;
- RGBQUAD pix1,pix2;
- CxImage tmp(*this,pSelection!=0,true,true);
- long xmin,xmax,ymin,ymax;
- if (pSelection){
- xmin = info.rSelectionBox.left; xmax = info.rSelectionBox.right;
- ymin = info.rSelectionBox.bottom; ymax = info.rSelectionBox.top;
- } else {
- xmin = ymin = 0;
- xmax = head.biWidth; ymax=head.biHeight;
- }
- for(long y=ymin; y<ymax; y++){
- info.nProgress = (long)(100*y/head.biHeight);
- if (info.nEscape) break;
- for(long x=xmin; x<xmax; x++){
- #if CXIMAGE_SUPPORT_SELECTION
- if (SelectionIsInside(x,y))
- #endif //CXIMAGE_SUPPORT_SELECTION
- {
- pix1 = GetPixelColor(x,y);
- maxr=maxg=maxb=0;
- for(j=-k2, i=0;j<kmax;j++){
- for(k=-k2;k<kmax;k++, i++){
- pix2=GetPixelColor(x+j,y+k);
- if ((pix2.rgbBlue-pix1.rgbBlue)>maxb) maxb = pix2.rgbBlue;
- if ((pix2.rgbGreen-pix1.rgbGreen)>maxg) maxg = pix2.rgbGreen;
- if ((pix2.rgbRed-pix1.rgbRed)>maxr) maxr = pix2.rgbRed;
- }
- }
- pix1.rgbBlue=(BYTE)(255-maxb);
- pix1.rgbGreen=(BYTE)(255-maxg);
- pix1.rgbRed=(BYTE)(255-maxr);
- tmp.SetPixelColor(x,y,pix1);
- }
- }
- }
- Transfer(tmp);
- return true;
- }
- ////////////////////////////////////////////////////////////////////////////////
- bool CxImage::Jitter(long radius)
- {
- if (!pDib) return false;
- long nx,ny;
- CxImage tmp(*this,pSelection!=0,true,true);
- long xmin,xmax,ymin,ymax;
- if (pSelection){
- xmin = info.rSelectionBox.left; xmax = info.rSelectionBox.right;
- ymin = info.rSelectionBox.bottom; ymax = info.rSelectionBox.top;
- } else {
- xmin = ymin = 0;
- xmax = head.biWidth; ymax=head.biHeight;
- }
- for(long y=ymin; y<ymax; y++){
- info.nProgress = (long)(100*y/head.biHeight);
- if (info.nEscape) break;
- for(long x=xmin; x<xmax; x++){
- #if CXIMAGE_SUPPORT_SELECTION
- if (SelectionIsInside(x,y))
- #endif //CXIMAGE_SUPPORT_SELECTION
- {
- nx=x+(long)((rand()/(float)RAND_MAX - 0.5)*(radius*2));
- ny=y+(long)((rand()/(float)RAND_MAX - 0.5)*(radius*2));
- if (!IsInside(nx,ny)) {
- nx=x;
- ny=y;
- }
- if (head.biClrUsed==0){
- tmp.SetPixelColor(x,y,GetPixelColor(nx,ny));
- } else {
- tmp.SetPixelIndex(x,y,GetPixelIndex(nx,ny));
- }
- #if CXIMAGE_SUPPORT_ALPHA
- tmp.AlphaSet(x,y,AlphaGet(nx,ny));
- #endif //CXIMAGE_SUPPORT_ALPHA
- }
- }
- }
- Transfer(tmp);
- return true;
- }
- ////////////////////////////////////////////////////////////////////////////////
- /* <nipper> generates a 1-D convolution matrix to be used for each pass of
- * a two-pass gaussian blur. Returns the length of the matrix.
- */
- int CxImage::gen_convolve_matrix (float radius, float **cmatrix_p)
- {
- int matrix_length;
- int matrix_midpoint;
- float* cmatrix;
- int i,j;
- float std_dev;
- float sum;
- /* we want to generate a matrix that goes out a certain radius
- * from the center, so we have to go out ceil(rad-0.5) pixels,
- * inlcuding the center pixel. Of course, that's only in one direction,
- * so we have to go the same amount in the other direction, but not count
- * the center pixel again. So we double the previous result and subtract
- * one.
- * The radius parameter that is passed to this function is used as
- * the standard deviation, and the radius of effect is the
- * standard deviation * 2. It's a little confusing.
- */
- radius = (float)fabs(radius) + 1.0f;
- std_dev = radius;
- radius = std_dev * 2;
- /* go out 'radius' in each direction */
- matrix_length = int (2 * ceil(radius-0.5) + 1);
- if (matrix_length <= 0) matrix_length = 1;
- matrix_midpoint = matrix_length/2 + 1;
- *cmatrix_p = new float[matrix_length];
- cmatrix = *cmatrix_p;
- /* Now we fill the matrix by doing a numeric integration approximation
- * from -2*std_dev to 2*std_dev, sampling 50 points per pixel.
- * We do the bottom half, mirror it to the top half, then compute the
- * center point. Otherwise asymmetric quantization errors will occur.
- * The formula to integrate is e^-(x^2/2s^2).
- */
- /* first we do the top (right) half of matrix */
- for (i = matrix_length/2 + 1; i < matrix_length; i++)
- {
- float base_x = i - (float)floor((float)(matrix_length/2)) - 0.5f;
- sum = 0;
- for (j = 1; j <= 50; j++)
- {
- if ( base_x+0.02*j <= radius )
- sum += (float)exp (-(base_x+0.02*j)*(base_x+0.02*j) /
- (2*std_dev*std_dev));
- }
- cmatrix[i] = sum/50;
- }
- /* mirror the thing to the bottom half */
- for (i=0; i<=matrix_length/2; i++) {
- cmatrix[i] = cmatrix[matrix_length-1-i];
- }
- /* find center val -- calculate an odd number of quanta to make it symmetric,
- * even if the center point is weighted slightly higher than others. */
- sum = 0;
- for (j=0; j<=50; j++)
- {
- sum += (float)exp (-(0.5+0.02*j)*(0.5+0.02*j) /
- (2*std_dev*std_dev));
- }
- cmatrix[matrix_length/2] = sum/51;
- /* normalize the distribution by scaling the total sum to one */
- sum=0;
- for (i=0; i<matrix_length; i++) sum += cmatrix[i];
- for (i=0; i<matrix_length; i++) cmatrix[i] = cmatrix[i] / sum;
- return matrix_length;
- }
- ////////////////////////////////////////////////////////////////////////////////
- /* ----------------------- gen_lookup_table ----------------------- */
- /* <nipper> generates a lookup table for every possible product of 0-255 and
- each value in the convolution matrix. The returned array is
- indexed first by matrix position, then by input multiplicand (?)
- value.
- */
- float* CxImage::gen_lookup_table (float *cmatrix, int cmatrix_length)
- {
- float* lookup_table = new float[cmatrix_length * 256];
- float* lookup_table_p = lookup_table;
- float* cmatrix_p = cmatrix;
- for (int i=0; i<cmatrix_length; i++)
- {
- for (int j=0; j<256; j++)
- {
- *(lookup_table_p++) = *cmatrix_p * (float)j;
- }
- cmatrix_p++;
- }
- return lookup_table;
- }
- ////////////////////////////////////////////////////////////////////////////////
- /* <nipper> this function is written as if it is blurring a column at a time,
- even though it can operate on rows, too. There is no difference
- in the processing of the lines, at least to the blur_line function. */
- void CxImage::blur_line (float *ctable, float *cmatrix, int cmatrix_length, BYTE* cur_col, BYTE* dest_col, int y, long bytes)
- {
- float scale;
- float sum;
- int i=0, j=0;
- int row;
- int cmatrix_middle = cmatrix_length/2;
- float *cmatrix_p;
- BYTE *cur_col_p;
- BYTE *cur_col_p1;
- BYTE *dest_col_p;
- float *ctable_p;
- /* this first block is the same as the non-optimized version --
- * it is only used for very small pictures, so speed isn't a
- * big concern.
- */
- if (cmatrix_length > y)
- {
- for (row = 0; row < y ; row++)
- {
- scale=0;
- /* find the scale factor */
- for (j = 0; j < y ; j++)
- {
- /* if the index is in bounds, add it to the scale counter */
- if ((j + cmatrix_length/2 - row >= 0) &&
- (j + cmatrix_length/2 - row < cmatrix_length))
- scale += cmatrix[j + cmatrix_length/2 - row];
- }
- for (i = 0; i<bytes; i++)
- {
- sum = 0;
- for (j = 0; j < y; j++)
- {
- if ((j >= row - cmatrix_length/2) &&
- (j <= row + cmatrix_length/2))
- sum += cur_col[j*bytes + i] * cmatrix[j];
- }
- dest_col[row*bytes + i] = (BYTE)(0.5f + sum / scale);
- }
- }
- }
- else
- {
- /* for the edge condition, we only use available info and scale to one */
- for (row = 0; row < cmatrix_middle; row++)
- {
- /* find scale factor */
- scale=0;
- for (j = cmatrix_middle - row; j<cmatrix_length; j++)
- scale += cmatrix[j];
- for (i = 0; i<bytes; i++)
- {
- sum = 0;
- for (j = cmatrix_middle - row; j<cmatrix_length; j++)
- {
- sum += cur_col[(row + j-cmatrix_middle)*bytes + i] * cmatrix[j];
- }
- dest_col[row*bytes + i] = (BYTE)(0.5f + sum / scale);
- }
- }
- /* go through each pixel in each col */
- dest_col_p = dest_col + row*bytes;
- for (; row < y-cmatrix_middle; row++)
- {
- cur_col_p = (row - cmatrix_middle) * bytes + cur_col;
- for (i = 0; i<bytes; i++)
- {
- sum = 0;
- cmatrix_p = cmatrix;
- cur_col_p1 = cur_col_p;
- ctable_p = ctable;
- for (j = cmatrix_length; j>0; j--)
- {
- sum += *(ctable_p + *cur_col_p1);
- cur_col_p1 += bytes;
- ctable_p += 256;
- }
- cur_col_p++;
- *(dest_col_p++) = (BYTE)(0.5f + sum);
- }
- }
- /* for the edge condition , we only use available info, and scale to one */
- for (; row < y; row++)
- {
- /* find scale factor */
- scale=0;
- for (j = 0; j< y-row + cmatrix_middle; j++)
- scale += cmatrix[j];
- for (i = 0; i<bytes; i++)
- {
- sum = 0;
- for (j = 0; j<y-row + cmatrix_middle; j++)
- {
- sum += cur_col[(row + j-cmatrix_middle)*bytes + i] * cmatrix[j];
- }
- dest_col[row*bytes + i] = (BYTE) (0.5f + sum / scale);
- }
- }
- }
- }
- ////////////////////////////////////////////////////////////////////////////////
- /* <nipper> */
- bool CxImage::UnsharpMask(float radius /*= 5.0*/, float amount /*= 0.5*/, int threshold /*= 0*/)
- {
- if (!pDib) return false;
- if (!(head.biBitCount == 24 || IsGrayScale()))
- return false;
- CxImage tmp(*this);
- CImageIterator itSrc(this);
- CImageIterator itDst(&tmp);
- // generate convolution matrix and make sure it's smaller than each dimension
- float *cmatrix = NULL;
- int cmatrix_length = gen_convolve_matrix(radius, &cmatrix);
- // generate lookup table
- float *ctable = gen_lookup_table(cmatrix, cmatrix_length);
- double dbScaler = 33.3/head.biHeight;
- // blur the rows
- for (int y=0;y<head.biHeight;y++)
- {
- if (info.nEscape) break;
- info.nProgress = (long)(y*dbScaler);
- blur_line(ctable, cmatrix, cmatrix_length, itSrc.GetRow(y), itDst.GetRow(y), head.biWidth, 3);
- }
- // blur the cols
- BYTE* cur_col = new BYTE[head.biHeight*3];
- BYTE* dest_col = new BYTE[head.biHeight*3];
- dbScaler = 33.3/head.biWidth;
- int x;
- for (x=0;x<head.biWidth;x++)
- {
- if (info.nEscape) break;
- info.nProgress = (long)(33.3+x*dbScaler);
- itSrc.GetCol(cur_col, x);
- itDst.GetCol(dest_col, x);
- blur_line(ctable, cmatrix, cmatrix_length, cur_col, dest_col, head.biHeight, 3);
- itSrc.SetCol(cur_col, x);
- itDst.SetCol(dest_col, x);
- }
- delete [] cur_col;
- delete [] dest_col;
- delete [] cmatrix;
- delete [] ctable;
- // these are used for the merging step
- int diff;
- int value;
- dbScaler = 33.3/head.biHeight;
- // merge the source and destination (which currently contains
- // the blurred version) images
- for (LONG y=0;y<head.biHeight;y++)
- {
- if (info.nEscape) break;
- info.nProgress = (long)(66.6+y*dbScaler);
- value = 0;
- // get source row
- BYTE* cur_row = itSrc.GetRow(y);
- // get dest row
- BYTE* dest_row = itDst.GetRow(y);
- // combine the two
- for (int u = 0; u < x; u++)
- {
- for (int v = 0; v < 3; v++)
- {
- diff = (cur_row[u*3+v] - dest_row[u*3+v]);
- // do tresholding
- if (abs (2 * diff) < threshold)
- diff = 0;
- value = int(cur_row[u*3+v] + amount * diff);
- if (value < 0) dest_row[u*3+v] =0;
- else if (value > 255) dest_row[u*3+v] = 255;
- else dest_row[u*3+v] = value;
- }
- }
- }
- Transfer(tmp);
- return TRUE;
- }
- ////////////////////////////////////////////////////////////////////////////////
- bool CxImage::Lut(BYTE* pLut)
- {
- if (!pDib || !pLut) return false;
- RGBQUAD color;
- double dbScaler;
- if (head.biClrUsed==0){
- long xmin,xmax,ymin,ymax;
- if (pSelection){
- xmin = info.rSelectionBox.left; xmax = info.rSelectionBox.right;
- ymin = info.rSelectionBox.bottom; ymax = info.rSelectionBox.top;
- } else {
- // faster loop for full image
- BYTE *iSrc=info.pImage;
- for(unsigned long i=0; i < head.biSizeImage ; i++){
- *iSrc++ = pLut[*iSrc];
- }
- return true;
- }
- dbScaler = 100.0/ymax;
- for(long y=ymin; y<ymax; y++){
- info.nProgress = (long)(y*dbScaler); //<Anatoly Ivasyuk>
- for(long x=xmin; x<xmax; x++){
- #if CXIMAGE_SUPPORT_SELECTION
- if (SelectionIsInside(x,y))
- #endif //CXIMAGE_SUPPORT_SELECTION
- {
- color = GetPixelColor(x,y);
- color.rgbRed = pLut[color.rgbRed];
- color.rgbGreen = pLut[color.rgbGreen];
- color.rgbBlue = pLut[color.rgbBlue];
- SetPixelColor(x,y,color);
- }
- }
- }
- #if CXIMAGE_SUPPORT_SELECTION
- } else if (pSelection && (head.biBitCount==8) && IsGrayScale()){
- long xmin,xmax,ymin,ymax;
- xmin = info.rSelectionBox.left; xmax = info.rSelectionBox.right;
- ymin = info.rSelectionBox.bottom; ymax = info.rSelectionBox.top;
- dbScaler = 100.0/ymax;
- for(long y=ymin; y<ymax; y++){
- info.nProgress = (long)(y*dbScaler);
- for(long x=xmin; x<xmax; x++){
- if (SelectionIsInside(x,y))
- {
- SetPixelIndex(x,y,pLut[GetPixelIndex(x,y)]);
- }
- }
- }
- #endif //CXIMAGE_SUPPORT_SELECTION
- } else {
- for(DWORD j=0; j<head.biClrUsed; j++){
- color = GetPaletteColor((BYTE)j);
- color.rgbRed = pLut[color.rgbRed];
- color.rgbGreen = pLut[color.rgbGreen];
- color.rgbBlue = pLut[color.rgbBlue];
- SetPaletteColor((BYTE)j,color);
- }
- }
- return true;
- }
- ////////////////////////////////////////////////////////////////////////////////
- bool CxImage::Lut(BYTE* pLutR, BYTE* pLutG, BYTE* pLutB, BYTE* pLutA)
- {
- if (!pDib || !pLutR || !pLutG || !pLutB) return false;
- RGBQUAD color;
- double dbScaler;
- if (head.biClrUsed==0){
- long xmin,xmax,ymin,ymax;
- if (pSelection){
- xmin = info.rSelectionBox.left; xmax = info.rSelectionBox.right;
- ymin = info.rSelectionBox.bottom; ymax = info.rSelectionBox.top;
- } else {
- xmin = ymin = 0;
- xmax = head.biWidth; ymax=head.biHeight;
- }
- dbScaler = 100.0/ymax;
- for(long y=ymin; y<ymax; y++){
- info.nProgress = (long)(y*dbScaler);
- for(long x=xmin; x<xmax; x++){
- #if CXIMAGE_SUPPORT_SELECTION
- if (SelectionIsInside(x,y))
- #endif //CXIMAGE_SUPPORT_SELECTION
- {
- color = GetPixelColor(x,y);
- color.rgbRed = pLutR[color.rgbRed];
- color.rgbGreen = pLutG[color.rgbGreen];
- color.rgbBlue = pLutB[color.rgbBlue];
- if (pLutA) color.rgbReserved=pLutA[color.rgbReserved];
- SetPixelColor(x,y,color,true);
- }
- }
- }
- } else {
- for(DWORD j=0; j<head.biClrUsed; j++){
- color = GetPaletteColor((BYTE)j);
- color.rgbRed = pLutR[color.rgbRed];
- color.rgbGreen = pLutG[color.rgbGreen];
- color.rgbBlue = pLutB[color.rgbBlue];
- SetPaletteColor((BYTE)j,color);
- }
- }
- return true;
- }
- ////////////////////////////////////////////////////////////////////////////////
- /*bool CxImage::FloodFill(int x, int y, RGBQUAD FillColor)
- {
- //<JDL>
- if (!pDib) return false;
- FloodFill2(x,y,GetPixelColor(x,y),FillColor);
- return true;
- }
- ////////////////////////////////////////////////////////////////////////////////
- void CxImage::FloodFill2(int x, int y, RGBQUAD old_color, RGBQUAD new_color)
- {
- // Fill in the actual pixels.
- // Function steps recursively until it finds borders (color that is not old_color)
- if (!IsInside(x,y)) return;
- RGBQUAD r = GetPixelColor(x,y);
- COLORREF cr = RGB(r.rgbRed,r.rgbGreen,r.rgbBlue);
- if(cr == RGB(old_color.rgbRed,old_color.rgbGreen,old_color.rgbBlue)
- && cr != RGB(new_color.rgbRed,new_color.rgbGreen,new_color.rgbBlue) ) {
- // the above if statement, after && is there to prevent
- // stack overflows. The program will continue to find
- // colors if you flood-fill an entire region (entire picture)
- SetPixelColor(x,y,new_color);
- FloodFill2((x+1),y,old_color,new_color);
- FloodFill2((x-1),y,old_color,new_color);
- FloodFill2(x,(y+1),old_color,new_color);
- FloodFill2(x,(y-1),old_color,new_color);
- }
- }*/
- ///////////////////////////////////////////////////////////////////////////////
- #endif //CXIMAGE_SUPPORT_DSP