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to ·ÇÓ¹ ÎÒÒ²ÐèÒªÄÇЩ×ÊÁÏ, ÓйسµÅÆÊ¶±ð, jacky086@hotmail.com or cyberjacky@sohu.com(¹»´óÈÝÁ¿) Ц°¾½¬ºý 2003-3-17 20:21:56
¶ÔͼÏñ½øÐÐÀëÉ¢ÓàÏұ任´¦Àí£¨Í¼Ïñ±ä»»£©µÄÔ´´úÂ룬±àÒëºóµÄ¿ÉÖ´ÐÐÎļþÐë´ø²ÎÊýÔËÐС£ #define EXTRA_NAME "@dcttransform." #include "loadbmp.h" #define Point(x,y) lpPoints[(x)+(y)nWidth] void FFT(COMPLEX * TD, COMPLEX * FD, int power) { int count; int i,j,k,bfsize,p; double angle; COMPLEX W,X1,X2,X; count=1<<power; W=(COMPLEX )malloc(sizeof(COMPLEX)count/2); X1=(COMPLEX )malloc(sizeof(COMPLEX)count); X2=(COMPLEX )malloc(sizeof(COMPLEX)count); for(i=0;i<count/2;i++) { angle=-ipi2/count; W .re=cos(angle); W .im=sin(angle); } memcpy(X1,TD,sizeof(COMPLEX)count); for(k=0;k<power;k++) { for(j=0;j<1<<k;j++) { bfsize=1<<(power-k); for(i=0;i<bfsize/2;i++) { p=jbfsize; X2[i+p]=Add(X1[i+p],X1[i+p+bfsize/2]); X2[i+p+bfsize/2]=Mul(Sub(X1[i+p],X1[i+p+bfsize/2]),W[i(1<<k)]); } } X=X1; X1=X2; X2=X; } for(j=0;j<count;j++) { p=0; for(i=0;i<power;i++) { if (j&(1<<i)) p+=1<<(power-i-1); } FD[j]=X1[p]; } free(W); free(X1); free(X2); } void DCT_Pre(double f, double F, int power) { int i,count; COMPLEX X; double s; count=1<<power; X=(COMPLEX )malloc(sizeof(COMPLEX)count2); memset(X,0,sizeof(COMPLEX)count2); for(i=0;i<count;i++) { X .re=f ; } FFT(X,X,power+1); s=1/sqrt(count); F[0]=X[0].res; s=sqrt(2); for(i=1;i<count;i++) { F =(X .recos(ipi/(count2))+X .imsin(ipi/(count2)))s; } free(X); } void Dct() { int w=1,h=1,wp=0,hp=0; while(w2<=nWidth) { w=2; wp++; } while(h2<=nHeight) { h=2; hp++; } int x,y; BYTE lpPoints=new BYTE[nWidthnHeight]; GetPoints(lpPoints); double f=new double[wh]; double W=new double[wh]; for(y=0;y<h;y++) { for(x=0;x<w;x++) { f[x+yw]=Point(x,y); } } for(y=0;y<h;y++) { DCT_Pre(&f[wy],&W[wy],wp); } for(y=0;y<h;y++) { for(x=0;x<w;x++) { f[xh+y]=W[x+wy]; } } for(x=0;x<w;x++) { DCT_Pre(&f[xh],&W[xh],hp); } double a; memset(lpPoints,0,nWidthnHeight); for(y=0;y<h;y++) { for(x=0;x<w;x++) { a=fabs(W[xh+y]); if (a>255) a=255; Point(x,nHeight-y-1)=(BYTE)(a); } } delete f; delete W; PutPoints(lpPoints); delete lpPoints; } void main(int argc, char *argv[]) { if(argc==2) FileName=argv[1]; else return; OpenFile(); Dct(); SaveAs(); } Posted by netsky at 2003-07-07 15:34 | ÔĶÁÈ«ÎÄ... | ÎÒÓиÐÏë(1)... | Trackback(0) ±êÌâ ¸øc++³ÌÐòÔ±µÄÒ»·ÝÀñÎ¡ª³£Óù¤¾ß¼¯ [¹¤³Ì¼¼Êõ] thesecondwoodstock£¨Ô×÷£© ¹Ø¼ü×Ö c++ Èí¼þ ¹¤¾ß ¡¾ÉùÃ÷¡¿ÈçÐè¸´ÖÆ¡¢´«²¥£¬Ç븽Éϱ¾ÉùÃ÷£¬Ð»Ð»¡£ÔÎijö´¦£ºhttp://morningspace.51.net/£¬moyingzz@etang.com ¡¡¡¡Ëùν¡°¹¤ÓûÉÆÆäÊ£¬±ØÏÈÀûÆäÆ÷¡±£¬´Ó³ÌÐòÔ±µÄ½Ç¶ÈÀ´½²£¬ºÃ¹¤¾ßµÄʹÓÃ×Ü»á¸øÈË´øÀ´Ê°빦±¶µÄЧ¹û¡£Ãæ¶ÔÖڶ๤¾ß/Èí¼þ£¬ÎÒÃÇÓ¦¸ÃÈçºÎÈ¡ÉáÄØ¡£Ç°²»¾Ã£¬±ÊÕßÔÚcsdnµÄc++ÂÛ̳·¢ÁËһƪÌùÎÄ£¬ÒÔÆÚÄÜÕ÷Çó´ó¼ÒµÄ¹ã·ºÒâ¼û£¬µÃµ½Á˲»´íµÄ·´Ïì¡£±¾ÎÄÔÚ¶Ô¸ÃÌù½øÐÐÕûÀíµÄ»ù´¡ÉÏ£¬ÓÖ×öÁËһЩ²¹³ä¡£ÔÚÕâÀïÒªÌØ±ð¸ÐÐ»ÍøÓÑ£ºDanielWYO(°®ÉÏС°×)£¬redleaves(ÎÞÐĺìÒ¶)¡£ ÓÐÒÔϼ¸µãÐèÒªÉùÃ÷£º ±¾ÎÄÖ÷ÒªÊÇÕë¶Ôc++³ÌÐòÔ±µÄ£¬µ«Ò»Ð©×ÛºÏÀàµÄͨÓÃÐ͹¤¾ß/Èí¼þ£¬×÷Ϊc++³ÌÐòÔ±¶øÑÔÒ²ÊDz»¿É»òȱµÄ£¬Òò´ËÒ²±»ÁÐÈëÆäÖС£Í¬Ñù£¬ÕâЩ¹¤¾ß/Èí¼þ£¬¶ÔÆäËûÓïÑԵijÌÐòÔ±£¬Ò²ÊÇÊÊÓõġ£ ¡¡¡¡¡¡¡¡ ¶ÔËùÁи÷À๤¾ß/Èí¼þµÄÆÀ¼Û£¬ÆäÒÀ¾ÝÊǶàÊýÍøÓѵĹ۵ã»ã×Ü£¬²¢½áºÏÁ˱ÊÕß×Ô¼ºµÄ¸öÈ˹۵㣬¹©²Î¿¼£¬ÈçÓв»ÊµÖ®´¦£¬»¶ÓÖ¸Õý¡£ ¡¡¡¡¡¡¡¡ ¶ÔËùÁи÷À๤¾ß/Èí¼þµÄÅÅÃû²»·ÖÏÈºó£¬ÆäÖмÈÓÐOpen 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Doxygen ×¢ÊÍÎĵµÉú³É¹¤¾ß£¬½ÏÖ®Doc++¹¦ÄܸüΪÆëÈ«£¬¿ÉÒÔÉú³É°üÀ¨HTML¡¢PDF¡¢RTFÔÚÄڵĶàÖÖ¸ñʽµÄÎĵµ£¬²¢ÓÐGUI½çÃæ£¬³ýÁËÖ§³Öc/c++ÓïÑÔÍ⣬»¹Ö§³ÖIDL¡¢java¡¢PHP¡¢c#µÈ¡£´Óhttp://www.stack.nl/~dimitri/doxygen¿ÉÒÔÕÒµ½ÓйØDoxygenµÄÏêϸÐÅÏ¢¡£ Posted by netsky at 2003-07-04 22:39 | ÔĶÁÈ«ÎÄ... | ÎÒÓиÐÏë(0)... | Trackback(0) SkinMagic Toolkit for C/C++ [¹¤³Ì¼¼Êõ] SkinMagic Toolkit for C/C++
Çëµ½ http://www.appspeed.com/ ÏÂÔØ SkinMagic toolkit is a powerful library that changes the visual appearance of windows or dialogs, providing developers with full-featured support for 'application skins', or 'application look and feel'. SkinMagic makes it easy to create programs with visually stunning, fully interactive user interfaces. With SkinMagic you could make your program look exactly like it was from another OS, or create your own user WinAmp-like "skinned" interfaces, or just give it a different, distinctive look. Version history:
Version 1.7b1
- Add AutoSkinFont property, default is FALSE, if TRUE SkinMagic will set control's font as font define in skin.
- RichEdit add background color support
- Edit add background color support
- ListView add background color support
- CaptionButton add visibility property
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¡¡¡¡11,8,12,7,1,14,2,13,6,15,0,9,10,4,5,3, S6: ¡¡¡¡12,1,10,15,9,2,6,8,0,13,3,4,14,7,5,11, ¡¡¡¡10,15,4,2,7,12,9,5,6,1,13,14,0,11,3,8, ¡¡¡¡9,14,15,5,2,8,12,3,7,0,4,10,1,13,11,6, ¡¡¡¡4,3,2,12,9,5,15,10,11,14,1,7,6,0,8,13, S7: ¡¡¡¡4,11,2,14,15,0,8,13,3,12,9,7,5,10,6,1, ¡¡¡¡13,0,11,7,4,9,1,10,14,3,5,12,2,15,8,6, ¡¡¡¡1,4,11,13,12,3,7,14,10,15,6,8,0,5,9,2, ¡¡¡¡6,11,13,8,1,4,10,7,9,5,0,15,14,2,3,12, S8: ¡¡¡¡13,2,8,4,6,15,11,1,10,9,3,14,5,0,12,7, ¡¡¡¡1,15,13,8,10,3,7,4,12,5,6,11,0,14,9,2, ¡¡¡¡7,11,4,1,9,12,14,2,0,6,10,13,15,3,5,8, ¡¡¡¡2,1,14,7,4,10,8,13,15,12,9,0,3,5,6,11, ÔÚ´ËÒÔS1ΪÀý˵Ã÷Æä¹¦ÄÜ£¬ÎÒÃÇ¿ÉÒÔ¿´µ½£ºÔÚS1ÖУ¬¹²ÓÐ4ÐÐÊý¾Ý£¬ÃüÃûΪ0£¬1¡¢2¡¢3ÐУ»Ã¿ÐÐÓÐ16ÁУ¬ÃüÃûΪ0¡¢1¡¢2¡¢3£¬......£¬14¡¢15ÁС£ ¡¡¡¡ÏÖÉèÊäÈëΪ£º D£½D1D2D3D4D5D6 ÁÁУ½D2D3D4D5 ¡¡¡¡ÐУ½D1D6 ¡¡¡¡È»ºóÔÚS1±íÖвéµÃ¶ÔÓ¦µÄÊý£¬ÒÔ4λ¶þ½øÖƱíʾ£¬´Ë¼´ÎªÑ¡Ôñº¯ÊýS1µÄÊä³ö¡£ÏÂÃæ¸ø³ö×ÓÃÜÔ¿Ki(48bit)µÄÉú³ÉËã·¨ ¡¡¡¡´Ó×ÓÃÜÔ¿KiµÄÉú³ÉËã·¨ÃèÊöͼÖÐÎÒÃÇ¿ÉÒÔ¿´µ½£º³õʼKeyֵΪ64룬µ«DESËã·¨¹æ¶¨£¬ÆäÖеÚ8¡¢16¡¢......64λÊÇÆæÅ¼Ð£Ñé룬²»²ÎÓëDESÔËËã¡£¹ÊKey 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