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image.cpp
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image.cpp
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#include "image.h"
//#include <windows.h>
void Image::clean(){
memset(&R[0][0],0,width*height);
memset(&G[0][0],0,width*height);
memset(&B[0][0],0,width*height);
}
void Image::info(){
printf("wymiary:%5d X %5d\n",width,height);
}
Image::Image(int _width,int _height){
R=NULL ;G=NULL; B=NULL;
int width=0;int height=0;
name=new char[256];
sprintf(name,"BLANK");
allocate(_width,_height);
}
Image::Image(){
R=NULL; G=NULL; B=NULL;
int width=0;int height=0;
name=new char[256];
sprintf(name,"BLANK");
}
Image::~Image(){
if(R!=0)deleteMatrix2D(R);
if(G!=0)deleteMatrix2D(G);
if(B!=0)deleteMatrix2D(B);
if(name!=0) delete[]name;
}
Image::allocate(int _width,int _height){
width=_width;
height=_height;
if(R==0) R=allocMatrix2D(_width,_height);
else
{
deleteMatrix2D(R);
R=allocMatrix2D(_width,_height);
}
if(G==0) G=allocMatrix2D(_width,_height);
else
{
deleteMatrix2D(G);
G=allocMatrix2D(_width,_height);
}
if(B==0) B=allocMatrix2D(_width,_height);
else
{
deleteMatrix2D(B);
B=allocMatrix2D(_width,_height);
}
}
Image::Image(char *fileName){
memset((this),0,sizeof(Image));
int size=getFileSize(fileName);
if(size==0) {
printf("podany plik nie istnieje!");
return;
}
//printf("%d",size);
Byte *BUFOR=new Byte[size];
loadFile(fileName,BUFOR,size);
if(BUFOR[0]=='B'&&BUFOR[1]=='M')
{
BMPFILEHEADER FileInfo;
BMPINFOHEADER PictureInfo;
memcpy(&FileInfo.type, &BUFOR[0], 2);
memcpy(&FileInfo.fileSize, &BUFOR[2], 4);
memcpy(&FileInfo.reserved0, &BUFOR[6], 2);
memcpy(&FileInfo.reserved1, &BUFOR[8], 2);
memcpy(&FileInfo.dataOffset, &BUFOR[10], 4);
memcpy(&PictureInfo.hdrSize,&BUFOR[14],4);
memcpy(&PictureInfo.width,&BUFOR[18],4);
memcpy(&PictureInfo.height,&BUFOR[22],4);
memcpy(&PictureInfo.planes,&BUFOR[26],2);
memcpy(&PictureInfo.depth,&BUFOR[28],2);
memcpy(&PictureInfo.compression,&BUFOR[30],4);
memcpy(&PictureInfo.bmpDataSize,&BUFOR[34],4);
memcpy(&PictureInfo.hResolution,&BUFOR[38],4);
memcpy(&PictureInfo.vResolution,&BUFOR[42],4);
memcpy(&PictureInfo.nColors,&BUFOR[46],4);
memcpy(&PictureInfo.nImportantColors,&BUFOR[50],4);
if(PictureInfo.depth!=24){
printf("Nie obslugiwana glebia kolorow (tylko 24bit)\n");
delete[]BUFOR;
return ;
}
width=PictureInfo.width;
height=PictureInfo.height;
int rowSize = PictureInfo.width * 3;
size_t padding = rowSize % 4;
if(padding != 0) padding = 4 - padding;
rowSize += padding;
allocate(width,height);
Byte *temp=BUFOR+54;
for (int iy = 0; iy <height; ++iy)
{
for(int ix = 0; ix < width; ++ix)
{
R[ix][iy]=temp[ix*3+2];
G[ix][iy]=temp[ix*3+1];
B[ix][iy]=temp[ix*3];
}
temp+=rowSize;
}
Byte temp2[256];
memset(temp2,0,256);
for(int i=0;i<strlen(fileName);i++) {
if(fileName[i]=='.') {name=new char[i+1];break;}
else temp2[i]=fileName[i];
}
sprintf(name,"%s",temp2);
}
else if(BUFOR[0]=='P'&&BUFOR[1]=='6')
{
sscanf((const char*)&BUFOR[2],"%4d",&width);
sscanf((const char*)&BUFOR[7],"%4d",&height);
printf("szerokosc=%d",width);
printf("wysokosc=%d",height);
allocate(width,height);
Byte *temp=&BUFOR[14];
for (int iy = height-1; iy >=0; iy--)
{
for(int ix = 0; ix < width; ++ix)
{
R[ix][iy]=temp[ix*3];
G[ix][iy]=temp[ix*3+1];
B[ix][iy]=temp[ix*3+2];
}
temp+=width*3;
}
}
else return;
delete[]BUFOR;
}
/*void Image::showChannel(char c,bool scale){
BYTE **T;
if(c=='R') T=R;
if(c=='G') T=G;
if(c=='B') T=B;
HDC hdc=GetDC(0);
if(scale==false){
for(int ix=0;ix<width;ix++)
for(int iy=0;iy<height;iy++){
SetPixel(hdc,ix,height-iy-1,RGB(T[ix][iy],T[ix][iy],T[ix][iy]));
}
}
else
{
float scaleX,scaleY;
int screenX=GetSystemMetrics(SM_CXSCREEN);
int screenY=GetSystemMetrics(SM_CYSCREEN);
scaleX=(float)width/screenX;
scaleY=(float)height/screenY;
for(int ix=0;ix<screenX;ix++)
for(int iy=0;iy<screenY;iy++){
SetPixel(hdc,ix,screenY-iy-1,RGB(T[(int)(ix*scaleX)][(int)(iy*scaleY)],T[(int)(ix*scaleX)][(int)(iy*scaleY)],T[(int)(ix*scaleX)][(int)(iy*scaleY)]));
}
}
ReleaseDC(0,hdc);
}
void Image::showChannelCustom(char c,bool scale){
BYTE **T;
int screenX=GetSystemMetrics(SM_CXSCREEN);
int screenY=GetSystemMetrics(SM_CYSCREEN);
if(c=='R') T=R;
if(c=='G') T=G;
if(c=='B') T=B;
HDC hdc=GetDC(0);
if(scale==false){
for(int i=0;i<40;i++)
{
for(int ix=0;ix<width;ix++)
for(int iy=0;iy<height;iy++){
if(T[ix][iy]==(i)) SetPixel(hdc,ix,screenY-iy-1,RGB(0,255,0));
else SetPixel(hdc,ix,screenY-iy-1,RGB(0,0,0));
}
while(!GetAsyncKeyState('A'));
}
}
else
{
float scaleX,scaleY;
scaleX=(float)width/screenX;
scaleY=(float)height/screenY;
for(int ix=0;ix<screenX;ix++)
for(int iy=0;iy<screenY;iy++){
SetPixel(hdc,ix,screenY-iy-1,RGB(T[(int)(ix*scaleX)][(int)(iy*scaleY)],T[(int)(ix*scaleX)][(int)(iy*scaleY)],T[(int)(ix*scaleX)][(int)(iy*scaleY)]));
}
}
ReleaseDC(0,hdc);
}*/
Image::SaveAsBMP(char* fileName){
FILE *fOut=fopen(fileName,"wb");
BMPFILEHEADER FileInfo;
memset(&FileInfo,0,sizeof(BMPFILEHEADER));
FileInfo.type =19778;
FileInfo.fileSize =rowSize(width)*height+54;
FileInfo.reserved0 =0;
FileInfo.reserved1 =0;
FileInfo.dataOffset =54;
fwrite(&FileInfo.type,1,2,fOut);
fwrite(&FileInfo.fileSize,1,4,fOut);
fwrite(&FileInfo.reserved0,1,2,fOut);
fwrite(&FileInfo.reserved1,1,2,fOut);
fwrite(&FileInfo.dataOffset,1,4,fOut);
BMPINFOHEADER PictureInfo;
memset(&PictureInfo,0,sizeof(BMPINFOHEADER));
PictureInfo.hdrSize =40;
PictureInfo.width =width;
PictureInfo.height =height;
PictureInfo.planes =1;
PictureInfo.depth =24;
PictureInfo.compression =0;
PictureInfo.bmpDataSize =rowSize(width)*height;
PictureInfo.hResolution =3780;
PictureInfo.vResolution =3780;
PictureInfo.nColors =0;
PictureInfo.nImportantColors=0;
fwrite(&PictureInfo.hdrSize,1,4,fOut);
fwrite(&PictureInfo.width,1,4,fOut);
fwrite(&PictureInfo.height,1,4,fOut);
fwrite(&PictureInfo.planes,1,2,fOut);
fwrite(&PictureInfo.depth,1,2,fOut);
fwrite(&PictureInfo.compression,1,4,fOut);
fwrite(&PictureInfo.bmpDataSize,1,4,fOut);
fwrite(&PictureInfo.hResolution,1,4,fOut);
fwrite(&PictureInfo.vResolution,1,4,fOut);
fwrite(&PictureInfo.nColors,1,4,fOut);
fwrite(&PictureInfo.nImportantColors,1,4,fOut);
Byte *bufor=new Byte[rowSize(width)*height];
Byte *t=bufor;
for (int iy = 0; iy <height; iy++)
{
for(int ix = 0; ix < width; ix++)
{
t[ix*3+2]=R[ix][iy];
t[ix*3+1]=G[ix][iy];
t[ix*3]=B[ix][iy];
}
t+=rowSize(width);
}
fwrite(bufor,1,rowSize(width)*height,fOut);
fclose(fOut);
printf("Zapisano plik:%s\n",fileName);
delete []bufor;
}
int padding(int _width){
int rowSize = _width * 3;
size_t padding = rowSize % 4;
return padding;
}
int rowSize(int _width){
int rowSize = _width * 3;
size_t padding = rowSize % 4;
if(padding != 0) padding = 4 - padding;
return rowSize + padding;
}
void BMPFILEHEADER::show(){
printf("BMPFILEHEADER:\n");
printf("type= %d\n",type);
printf("fileSize= %d\n",fileSize);
printf("reserved0= %d\n",reserved0);
printf("reserved1= %d\n",reserved1);
printf("dataOffset= %d\n",dataOffset);
}
void BMPINFOHEADER::show(){
printf("BMPINFOHEADER:\n");
printf("hdrSize= %10d\n",hdrSize);
printf("width= %10d\n",width);
printf("height= %10d\n",height);
printf("planes= %10d\n",planes);
printf("depth= %10d\n",depth);
printf("compression= %10d\n",compression);
printf("bmpDataSize= %10d\n",bmpDataSize);
printf("hResolution= %10d\n",hResolution);
printf("vResolution= %10d\n",vResolution);
printf("nColors= %10d\n",nColors);
printf("nImportantColors= %10d\n",nImportantColors);
}