/*提高H3_1*/
int H3_1()
{
//实现BitPlane保存信息
char fname[file_name_len];
struct IMG image;
struct IMG * pimg=ℑ
char str[str_info_len];
int bit=7;//第1比特用来当作水印信息,因为低频率人眼不敏感
//使用bit=7时，打开图片可以看到图片最上面的图片颜色信息有明显的痕迹
//lena
strcpy(str,"Lena!This is the DIP course.");
strcpy(fname,"lena.ppm");
ReadPPM(fname,pimg);
BitPlane(pimg,str,bit);
WritePPM("lena_bitplane.ppm",pimg);
str[0]=0;//清空
unBitPlane(pimg,str,bit);
printf("加密信息是: %s \n",str);
//Parrots
strcpy(str,"Parrots!This is the DIP course.");
strcpy(fname,"Parrots.ppm");
ReadPPM(fname,pimg);
BitPlane(pimg,str,bit);
WritePPM("Parrots_bitplane.ppm",pimg);
str[0]=0;//清空
unBitPlane(pimg,str,bit);
printf("加密信息是: %s \n",str);
return 0;
}
//函数定义
int H5()
{
char fname[file_name_len];
struct IMG image;
struct IMG * pimg=ℑ
struct Template tml;//定义模版
struct Template * ptml=&tml;
int * arr=NULL;
char ch[1024];
char * pch=ch;
//lena-------------------------
strcpy(fname,"lena.ppm");
ReadPPM(fname,pimg);
arr=(int *)malloc(sizeof(int)*3*3);//申请一个3*3的模版矩阵
//锐化模版
strcpy(ch,"Harpening 锐化模版导入成功");
/* 0 -1 0
* -1 5 -1
* 0 -1 0
* */
//arr[0][0]=0;arr[0][1]=-1;arr[0][2]=0;
//arr[1][0]=-1;arr[1][1]=5;arr[1][2]=-1;
//arr[2][0]=0;arr[2][1]=-1;arr[2][2]=0;
arr[0]=0; arr[1]=-1; arr[2]=0;
arr[3]=-1; arr[4]=5; arr[5]=-1;
arr[6]=0; arr[7]=-1; arr[8]=0;
ptml->square=arr;
ptml->name=pch;
ptml->x=3;
ptml->y=3;
ptml->max=1;
Convolution(pimg,ptml);
strcpy(fname,"锐化后的lena.ppm");
WritePPM(fname,pimg);
WritePPM(fname,pimg);
//边缘检测
FreePPM(pimg);
strcpy(fname,"lena.ppm");
ReadPPM(fname,pimg);
strcpy(ch,"Edge Detection边缘检测Sobel算子");
/* -1 0 1
* -2 0 2
* -1 0 1
* */
arr[0]=-1; arr[1]=0; arr[2]=1;
arr[3]=-2; arr[4]=0; arr[5]=2;
arr[6]=-1; arr[7]=0; arr[8]=1;
ptml->square=arr;
ptml->name=pch;
ptml->x=3;ptml->y=3;
ptml->max=4;
Convolution(pimg,ptml);
strcpy(fname,"边缘检测后的lena.ppm");
WritePPM(fname,pimg);
free(arr);
//lena--------------------------
return 0;
}
int AmmCaptcha_initialize(char * font,char * dictFilename)
{
int retres=0;
if (font==0) { retres=ReadPPM(&fontRAW,"font.ppm",0); } else
{ retres=ReadPPM(&fontRAW,font,0); }
if (!retres) { fprintf(stderr,"Could not read font for captcha system\n"); return 0; }
srand (time(NULL));
return AmmCaptcha_loadDictionary(dictFilename);
}
int R2Image::
Read(const char *filename)
{
// Initialize everything
if (pixels) { delete [] pixels; pixels = NULL; }
width = height = 0;
// Parse input filename extension
const char *input_extension;
if (!(input_extension = strrchr(filename, '.'))) {
fprintf(stderr, "Input file has no extension (e.g., .jpg).\n");
return 0;
}
// Read file of appropriate type
if (!strncmp(input_extension, ".bmp", 4)) return ReadBMP(filename);
else if (!strncmp(input_extension, ".ppm", 4)) return ReadPPM(filename);
else if (!strncmp(input_extension, ".pfm", 4)) return ReadPFM(filename);
else if (!strncmp(input_extension, ".jpg", 4)) return ReadJPEG(filename);
else if (!strncmp(input_extension, ".jpeg", 5)) return ReadJPEG(filename);
else if (!strncmp(input_extension, ".tif", 4)) return ReadTIFF(filename);
else if (!strncmp(input_extension, ".tiff", 5)) return ReadTIFF(filename);
else if (!strncmp(input_extension, ".raw", 4)) return ReadRAW(filename);
else if (!strncmp(input_extension, ".grd", 4)) return ReadGRD(filename);
// Should never get here
fprintf(stderr, "Unrecognized image file extension");
return 0;
}
/*H3_2*/
int H3_2()
{
//实现二值化
char fname[file_name_len];
struct IMG image;
struct IMG * pimg=ℑ
//lena
strcpy(fname,"lena.ppm");
ReadPPM(fname,pimg);
BinaryZationPPM(pimg,2);
WritePPM("lena_binaryzation.ppm",pimg);
//Parrots
strcpy(fname,"Parrots.ppm");
ReadPPM(fname,pimg);
BinaryZationPPM(pimg,4);
WritePPM("Parrots_binaryzation.ppm",pimg);
return 0;
}
/*作业二*/
int H2()
{
char fname[file_name_len];
struct IMG image;
struct IMG * pimg=ℑ
//lena
strcpy(fname,"lena.ppm");
ReadPPM(fname,pimg);
NegativePPM(pimg);
strcpy(fname,"lena_m.ppm");
WritePPM(fname,pimg);
//parrots
strcpy(fname,"Parrots.ppm");
ReadPPM(fname,pimg);
NegativePPM(pimg);
strcpy(fname,"Parrots_m.ppm");
WritePPM(fname,pimg);
return 0;
}
int H3_3()
{
/*实现图片的复制，因为以前对图片的操作都是在原图片进行的操作。所以可以用这个函数进行图片的复制*/
char fname[file_name_len];
struct IMG image;
struct IMG image2;
struct IMG * pimg=ℑ
struct IMG * pimg2=&image2;
//lena
strcpy(fname,"lena.ppm");
ReadPPM(fname,pimg);
CopyPPM(pimg,pimg2);
WritePPM("lena_copy.ppm",pimg2);
//Parrots
strcpy(fname,"Parrots.ppm");
ReadPPM(fname,pimg);
CopyPPM(pimg,pimg2);
WritePPM("Parrots_copy.ppm",pimg2);
return 0;
}
int createTemplateDevice(int devID,char * devName,unsigned int width,unsigned int height,unsigned int framerate)
{
if ( ( device[devID].templateWIDTH < width ) && ( device[devID].templateHEIGHT < height ) )
{
device[devID].templateHEIGHT=height;
device[devID].templateWIDTH=width;
}
if (devName==0) { strcpy(device[devID].readFromDir,""); } else
{
if (strlen(devName)==0) { strcpy(device[devID].readFromDir,""); } else
{ strncpy(device[devID].readFromDir,devName,MAX_DIR_PATH); }
}
unsigned int widthInternal; unsigned int heightInternal;
char file_name_test[1024];
sprintf(file_name_test,"frames/%s/colorFrame_%u_%05u.pnm",device[devID].readFromDir,devID,0);
char * tmpColor = ReadPPM(file_name_test,&widthInternal,&heightInternal);
if ( (widthInternal!=width) || (heightInternal!=height) )
{ fprintf(stderr,"Please note that the templateColor.pnm file has %ux%u resolution and the createTemplateDevice asked for %ux%u \n",widthInternal,heightInternal,width,height); }
if (tmpColor!=0) { device[devID].templateColorFrame=tmpColor; } else
{
// if templateColorFrame is zero the next function behaves like a malloc
device[devID].templateColorFrame= (char*) realloc(device[devID].templateColorFrame,device[devID].templateWIDTH*device[devID].templateHEIGHT*3*sizeof(char));
}
sprintf(file_name_test,"frames/%s/depthFrame_%u_%05u.pnm",device[devID].readFromDir,devID,0);
short * tmpDepth = ReadPPMD(file_name_test,&widthInternal,&heightInternal);
if ( (widthInternal!=width) || (heightInternal!=height) )
{ fprintf(stderr,"Please note that the templateColor.pnm file has %ux%u resolution and the createTemplateDevice asked for %ux%u \n",widthInternal,heightInternal,width,height); }
if (tmpDepth!=0) { device[devID].templateDepthFrame=tmpDepth; } else
{
// if templateDepthFrame is zero the next function behaves like a malloc
device[devID].templateDepthFrame= (short*) realloc(device[devID].templateDepthFrame,device[devID].templateWIDTH*device[devID].templateHEIGHT*1*sizeof(short));
}
NullCalibration(device[devID].templateWIDTH,device[devID].templateHEIGHT,&device[devID].calibRGB);
sprintf(file_name_test,"frames/%s/color.calib",device[devID].readFromDir);
if ( ! ReadCalibration(file_name_test,&device[devID].calibRGB) ) { fprintf(stderr,"Could not read color calibration\n"); }
NullCalibration(device[devID].templateWIDTH,device[devID].templateHEIGHT,&device[devID].calibDepth);
sprintf(file_name_test,"frames/%s/depth.calib",device[devID].readFromDir);
if ( ! ReadCalibration(file_name_test,&device[devID].calibDepth) ) { fprintf(stderr,"Could not read depth calibration\n"); }
return ((device[devID].templateColorFrame!=0)&&(device[devID].templateDepthFrame!=0));
}
void main(int argc, char **argv)
{
if ( ! ReadPPM(stdin) )
{
fprintf(stderr, "Error reading PPM input file!!!\n");
exit(1);
}
PPMtoYUV();
WriteYUV(stdout);
}
int snapTemplateFrames(int devID)
{
//TODO HERE MAYBE LOAD NEW BUFFERS
int found_frames = 0;
unsigned int widthInternal=0; unsigned int heightInternal=0;
char * file_name_test = (char* ) malloc(2048 * sizeof(char));
if (file_name_test==0) { fprintf(stderr,"Could not snap frame , no space for string\n"); return 0; }
sprintf(file_name_test,"frames/%s/colorFrame_%u_%05u.pnm",device[devID].readFromDir,devID,device[devID].cycle);
//fprintf(stderr,"Snap color %s",file_name_test);
if (FileExists(file_name_test))
{
if (device[devID].templateColorFrame!=0) { free(device[devID].templateColorFrame); }
device[devID].templateColorFrame = ReadPPM(file_name_test,&widthInternal,&heightInternal);
++found_frames;
}
sprintf(file_name_test,"frames/%s/depthFrame_%u_%05u.pnm",device[devID].readFromDir,devID,device[devID].cycle);
//fprintf(stderr,"Snap depth %s",file_name_test);
if (FileExists(file_name_test))
{
if (device[devID].templateDepthFrame!=0) { free(device[devID].templateDepthFrame); }
device[devID].templateDepthFrame = ReadPPMD(file_name_test,&widthInternal,&heightInternal);
++found_frames;
}
free(file_name_test);
file_name_test=0;
++device[devID].cycle;
if ( device[devID].safeGUARD != SAFEGUARD_VALUE ) { fprintf(stderr,"\n\n\n\nERROR , memory corruption \n\n\n\n"); }
if (device[devID].cycle>65534) { device[devID].cycle=0; }
if (found_frames==0) { fprintf(stderr,"Could not find any frames , we finished stream \n"); device[devID].cycle = 0; } else
if (found_frames!=2) { fprintf(stderr,"\n Warning: Did not find both frames\n"); }
return 1;
}
int H4()
{
char fname[file_name_len];
struct IMG image;
struct IMG * pimg=ℑ
//lena
strcpy(fname,"lena.ppm");
ReadPPM(fname,pimg);
int * hist;
hist=(int *)malloc(sizeof(int)*(pimg->maxv+1)*((pimg->channel-5)*2+1));
HistPPM(hist,pimg);
strcpy(fname,"lena_hist");
WriteHist(hist,fname,pimg);
//直方图完成
//均衡化处理
HistEqualization(pimg,hist);
strcpy(fname,"lena_hist_equalization.ppm");
WritePPM(fname,pimg);
strcpy(fname,"lena_hist_equalization");
WriteHist(hist,fname,pimg);
free(hist);
return 0;
}
/*作业三*/
int H3()
{
char fname[file_name_len];
struct IMG image;
struct IMG * pimg=ℑ
// hint
// lena
int * hist=NULL;
int * array=NULL;
strcpy(fname,"lena.ppm");
ReadPPM(fname,pimg);
hist=(int *)calloc(sizeof(int),(pimg->maxv+1)*((pimg->channel-5)*2+1));//hist[] color:3*pimg->maxv
if(hist==NULL)
{
printf("分配内存失败!\n");
exit(-1);
}
printf("calloc=%d\n",sizeof(int)*(pimg->maxv+1)*((pimg->channel-5)*2+1));
HistPPM(hist,pimg);
strcpy(fname,"lena");
WriteHist(hist,fname,pimg);
//Parrots
strcpy(fname,"Parrots.ppm");
ReadPPM(fname,pimg);
hist=(int *)calloc(sizeof(int),(pimg->maxv+1)*((pimg->channel-5)*2+1));//Hist[] color:3*pimg->maxv
if(hist==NULL)
{
printf("分配内存失败!\n");
exit(-1);
}
HistPPM(hist,pimg);
strcpy(fname,"Parrots");
WriteHist(hist,fname,pimg);
//计算分量图
strcpy(fname,"Parrots.ppm");
ReadPPM(fname,pimg);
strcpy(fname,"Parrots");
ComponentPPM(fname,pimg);
free(hist);
//计算映射函数
//lena
strcpy(fname,"lena.ppm");
ReadPPM(fname,pimg);
array=(int *)calloc(sizeof(int),(pimg->maxv+1)*((pimg->channel-5)*2+1));//Hist[] color:3*pimg->maxv
Square_MapPPM(array,pimg->maxv);
MapPPM(array,pimg);
strcpy(fname,"lena_square.ppm");
WritePPM(fname,pimg);
Sqrt_MapPPM(array,pimg->maxv);
MapPPM(array,pimg);
strcpy(fname,"lena_sqrt.ppm");
WritePPM(fname,pimg);
//Parrots
strcpy(fname,"Parrots.ppm");
ReadPPM(fname,pimg);
array=(int *)calloc(sizeof(int),(pimg->maxv+1)*((pimg->channel-5)*2+1));//Hist[] color:3*pimg->maxv
Square_MapPPM(array,pimg->maxv);
MapPPM(array,pimg);
strcpy(fname,"Parrots_square.ppm");
WritePPM(fname,pimg);
Sqrt_MapPPM(array,pimg->maxv);
MapPPM(array,pimg);
strcpy(fname,"Parrots_sqrt.ppm");
WritePPM(fname,pimg);
free(array);
return 0;
}
int ReadSwappedPPM(char * filename,struct Image * pic,char read_only_header)
{
ReadPPM(filename,pic,read_only_header);
swapDepthEndianness(pic);
return (pic->pixels!=0);
}
void myInitData(int *argc, char **argv) {
int i;
char s[1024];
InteractionMode = MY_MENU_CAMERA;
TX = 1.1; TY = 0.8; TZ = -2.0;
XmouseDown = -1;
YmouseDown = -1;
XmouseCurrent = XmousePrev = -1;
YmouseCurrent = YmousePrev = -1;
DX = DY = 0;
KeybModifiers = 0;
ReadOFF("cube.off", &checker);
ReadPPM("snake.ppm", &TMap1);
/* initialize texturing */
TextureOn = GL_TRUE;
/* read texture from PPM file - printout command line arguments for debugging */
fprintf(stderr,"argc = %d: ",*argc);
for (i = 0; i< *argc; i++)
fprintf(stderr, " arg[%d] = %s, ",i, argv[i]);
fprintf(stderr,"\n");
i = -1;
if( *argc == 1){
printf("Reading in %s.\n", s );
ReadOFF("dodec1.off", &object);
printf("Using default texture .\n");
//i = ReadPPM("temp1.ppm", &TMap);
i = -1;
}
if (*argc == 3) {
/* load image from URL specified on command line */
printf("Reading in %s.\n", argv[1]);
ReadOFF(argv[1], &object);
sprintf(s,"./getppm.pl %s > temp.ppm", argv[2]);
printf("Executing:\n %s\n", s);
system(s);
i = ReadPPM("temp.ppm", &TMap);
//i = ReadPPM(argv[2], &TMap);
}
else if (*argc == 2) {
/* load image from default URL */
printf("Reading in %s.\n", argv[1]);
ReadOFF(argv[1], &object);
printf("Using default texture file 'fermat_raw.ppm'.\n");
//system("./getppm.pl http://www.cs.indiana.edu/~mitja/Delo/B581/fermat_raw.ppm > temp.ppm");
//i = ReadPPM("temp1.ppm", &TMap);
i =-1;
}
if (i > 0) {
printf("Using texture from file.\n"); /* image file is valid: use it as texture */
glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
glGenTextures(1, &TextureName);
glBindTexture(GL_TEXTURE_2D, TextureName);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, TMap.texc, TMap.texr,
0, GL_RGB, GL_UNSIGNED_BYTE, TMap.texture);
} else {
printf("Using checkers texture.\n"); /* image file is invalid: use checkers */
myInitCheckers();
glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
glGenTextures(1, &TextureName);
glBindTexture(GL_TEXTURE_2D, TextureName);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, MY_CHECKERS_WIDTH, MY_CHECKERS_HEIGHT,
0, GL_RGB, GL_UNSIGNED_BYTE, CheckersImg);
}
} /* myInitData() */
void InitMirror()
{
int* mode = new int;
FloorTexPattern = ReadPPM("./textures/squareWhiteTiles.ppm",mode,&texwidth,&texheight);
glGenTextures(1,&textureID);
glBindTexture(GL_TEXTURE_2D,textureID);
glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_WRAP_S,GL_REPEAT);
glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_WRAP_T,GL_REPEAT);
glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MAG_FILTER,GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER,GL_NEAREST);
glTexImage2D(GL_TEXTURE_2D,0,GL_RGB,texwidth,texheight,0,GL_RGB,GL_UNSIGNED_BYTE,FloorTexPattern);
PathList path("./shaders/reflectShaders/");
FloorProg = new GLSLProgram(true,&path);
FloorProg->SetFragmentShader("FloorFrag.glsl");
FloorProg->SetVertexShader("FloorVert.glsl");
FloorProg->ReloadShaders();
ReflectImageProg = new GLSLProgram(true,&path);
ReflectImageProg->SetFragmentShader("ReflectFrag.glsl");
ReflectImageProg->ReloadShaders();
//Center of mirror is at (0,0,-5.9)
//Normal vector is (0,0,1)
reflectmatrix[0]=1;
reflectmatrix[1]=0;
reflectmatrix[2]=0;
reflectmatrix[3]=0;
reflectmatrix[4]=0;
reflectmatrix[5]=1;
reflectmatrix[6]=0;
reflectmatrix[7]=0;
reflectmatrix[8]=0;
reflectmatrix[9]=0;
reflectmatrix[10]=-1;
reflectmatrix[11]=0;
reflectmatrix[12]=0;
reflectmatrix[13]=0;
reflectmatrix[14]=-11.8;
reflectmatrix[15]=1;
//Center of mirror is at (0,0,5.9)
//Normal vector is (0,0,-1)
reflectmatrix2[0]=1;
reflectmatrix2[1]=0;
reflectmatrix2[2]=0;
reflectmatrix2[3]=0;
reflectmatrix2[4]=0;
reflectmatrix2[5]=1;
reflectmatrix2[6]=0;
reflectmatrix2[7]=0;
reflectmatrix2[8]=0;
reflectmatrix2[9]=0;
reflectmatrix2[10]=-1;
reflectmatrix2[11]=0;
reflectmatrix2[12]=0;
reflectmatrix2[13]=0;
reflectmatrix2[14]=11.8;
reflectmatrix2[15]=1;
//Center of floor is at (0,-2,0)
//Normal vector is (0,1,0)
reflectmatrixF[0]=1;
reflectmatrixF[1]=0;
reflectmatrixF[2]=0;
reflectmatrixF[3]=0;
reflectmatrixF[4]=0;
reflectmatrixF[5]=-1;
reflectmatrixF[6]=0;
reflectmatrixF[7]=0;
reflectmatrixF[8]=0;
reflectmatrixF[9]=0;
reflectmatrixF[10]=1;
reflectmatrixF[11]=0;
reflectmatrixF[12]=0;
reflectmatrixF[13]=-4;
reflectmatrixF[14]=0;
reflectmatrixF[15]=1;
floorplane[0]=0;
floorplane[1]=1;
floorplane[2]=0;
floorplane[3]=2;
glClipPlane(GL_CLIP_PLANE0,floorplane);
mirror1plane[0]=0;
mirror1plane[1]=0;
mirror1plane[2]=1;
mirror1plane[3]=5.9;
glClipPlane(GL_CLIP_PLANE1,mirror1plane);
mirror2plane[0]=0;
mirror2plane[1]=0;
mirror2plane[2]=1;
mirror2plane[3]=-5.9;
glClipPlane(GL_CLIP_PLANE2,mirror2plane);
//Load Model for Mirror
MirrorhemModel = new HalfEdgeModel( "./models/dragon_250k.hem", TYPE_HEM_FILE );
if (!MirrorhemModel->IsValid()) printf( "dragon_250k.hem not loaded!\n" );
GLuint dispID = MirrorhemModel->CreateOpenGLDisplayList(USE_TRIANGLES | WITH_NORMALS);
}
