Сделать скрин с экрана

#include <stdio.h>
#include <conio.h>
#include <stdlib.h>
#include <math.h>
#include <string.h>
#include <curl/curl.h>
#include <curl/types.h>
#include <curl/easy.h>
#include <pcre.h>
#include <locale>
#include <tchar.h>
#include <windows.h>
#include <iostream>
#include <string.h>
#include <tchar.h>

#
#define MAXWRITE (1024*16)
#

#
class Bitmap{
#
private:
#
//This function is slow, and thus not good for animation purposes
#
//but for displaying a transparent bitmap that doesn't get redrawn
#
//constantly this is a good function
#
void DrawTransparentBitmap(HDC hdc,HBITMAP hbm,int ix=0,int iy=0,COLORREF transClr=RGB(255,255,255)){
#
BITMAP bm;
#
int tempx=ix,tempy=iy;
#
GetObject(hbm,sizeof(bm),&bm);
#
HDC hdc2=CreateCompatibleDC(hdc);
#
SelectObject(hdc2,hbm);
#
int xx=0,yy=0;
#
for(int y=tempy;y<tempy+bm.bmHeight;y++){
#
for(int x=tempx;x<tempx+bm.bmWidth;x++){
#
COLORREF clr=GetPixel(hdc2,xx,yy);
#
if(clr!=transClr){
#
SetPixel(hdc,x,y,clr);
#
}
#
xx++;
#
}
#
xx=0;
#
yy++;
#
}
#
DeleteDC(hdc2);
#
}
#

#

#
//I added this function from win32 api.hlp, I plan to write my own some day
#
PBITMAPINFO CreateBitmapInfoStruct(HBITMAP hBmp) {
#
BITMAP bmp;
#
PBITMAPINFO pbmi;
#
WORD cClrBits;
#
if(!GetObject(hBmp, sizeof(BITMAP), (LPSTR)&bmp)){
#
MessageBox(0,"Bitmap failed to save","Error...",MB_OK);
#
}
#
cClrBits = (WORD)(bmp.bmPlanes * bmp.bmBitsPixel);
#
if(cClrBits == 1){
#
cClrBits = 1;
#
}
#
else if(cClrBits <= 4){
#
cClrBits = 4;
#
}
#
else if(cClrBits <= 8){
#
cClrBits = 8;
#
}
#
else if(cClrBits <= 16){
#
cClrBits = 16;
#
}
#
else if(cClrBits <= 24){
#
cClrBits = 24;
#
}
#
else{
#
cClrBits = 32;
#
}
#
if(cClrBits != 24){
#
pbmi=(PBITMAPINFO)LocalAlloc(LPTR,sizeof(BITMAPINFOHEADER)+sizeof(RGBQUAD) * (2^cClrBits));
#
}
#
else{
#
pbmi=(PBITMAPINFO)LocalAlloc(LPTR,sizeof(BITMAPINFOHEADER));
#
}
#
pbmi->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
#
pbmi->bmiHeader.biWidth = bmp.bmWidth;
#
pbmi->bmiHeader.biHeight = bmp.bmHeight;
#
pbmi->bmiHeader.biPlanes = bmp.bmPlanes;
#
pbmi->bmiHeader.biBitCount = bmp.bmBitsPixel;
#
if(cClrBits < 24){
#
pbmi->bmiHeader.biClrUsed = 2^cClrBits;
#
}
#
pbmi->bmiHeader.biCompression = BI_RGB;
#
pbmi->bmiHeader.biSizeImage = (pbmi->bmiHeader.biWidth + 7) /8
#
* pbmi->bmiHeader.biHeight
#
* cClrBits;
#
pbmi->bmiHeader.biClrImportant = 0;
#
return pbmi;
#
}
#

#

#
//I added this function from win32 api.hlp, I plan to write my own some day
#
void CreateBMPFile(LPTSTR pszFile, PBITMAPINFO pbi, HBITMAP hBMP,HDC hDC){
#
HANDLE hf;
#
BITMAPFILEHEADER hdr;
#
PBITMAPINFOHEADER pbih;
#
LPBYTE lpBits;
#
DWORD dwTotal;
#
DWORD cb;
#
BYTE *hp;
#
DWORD dwTmp;
#
pbih = (PBITMAPINFOHEADER) pbi;
#
lpBits = (LPBYTE) GlobalAlloc(GMEM_FIXED, pbih->biSizeImage);
#
if(!lpBits){
#
MessageBox(0,"Failed to save bitmap.","Error...",MB_OK);
#
}
#
if(!GetDIBits(hDC, hBMP, 0, (WORD) pbih->biHeight, lpBits, pbi, DIB_RGB_COLORS)){
#
MessageBox(0,"Failed to save bitmap.","Error...",MB_OK);
#
}
#
hf=CreateFile(pszFile,
#
GENERIC_READ | GENERIC_WRITE,
#
(DWORD) 0,
#
(LPSECURITY_ATTRIBUTES) NULL,
#
CREATE_ALWAYS,
#
FILE_ATTRIBUTE_NORMAL,
#
(HANDLE) NULL);
#
if(hf==INVALID_HANDLE_VALUE){
#
MessageBox(0,"Failed to save bitmap1.","Error...",MB_OK);
#
}
#
hdr.bfType=0x4d42;
#
hdr.bfSize=(DWORD)(sizeof(BITMAPFILEHEADER)+pbih->biSize + pbih->biClrUsed*sizeof(RGBQUAD)+pbih->biSizeImage);
#
hdr.bfReserved1=0;
#
hdr.bfReserved2=0;
#
hdr.bfOffBits=(DWORD)sizeof(BITMAPFILEHEADER)+pbih->biSize + pbih->biClrUsed*sizeof (RGBQUAD);
#
if(!WriteFile(hf, (LPVOID) &hdr, sizeof(BITMAPFILEHEADER),(LPDWORD) &dwTmp, (LPOVERLAPPED) NULL)){
#
MessageBox(0,"Failed to save bitmap2.","Error...",MB_OK);
#
}
#
if(!WriteFile(hf,(LPVOID)pbih,sizeof(BITMAPINFOHEADER)+pbih->biClrUsed * sizeof (RGBQUAD),(LPDWORD) &dwTmp, (LPOVERLAPPED) NULL)){
#
MessageBox(0,"Failed to save bitmap3.","Error...",MB_OK);
#
}
#
dwTotal = cb = pbih->biSizeImage;
#
hp = lpBits;
#
while(cb > MAXWRITE){
#
if(!WriteFile(hf,(LPSTR)hp,(int)MAXWRITE,(LPDWORD)&dwTmp,(LPOVERLAPPED)NULL)){
#
MessageBox(0,"Failed to save bitmap4.","Error...",MB_OK);
#
}
#
cb-=MAXWRITE;
#
hp+=MAXWRITE;
#
}
#
if(!WriteFile(hf, (LPSTR) hp, (int) cb,(LPDWORD) &dwTmp, (LPOVERLAPPED) NULL)){
#
MessageBox(0,"Failed to save bitmap5.","Error...",MB_OK);
#
}
#
if(!CloseHandle(hf)){
#
MessageBox(0,"Failed to save bitmap6.","Error...",MB_OK);
#
}
#
GlobalFree((HGLOBAL)lpBits);
#
}
#

#
HBITMAP hbitmap;//The bitmap
#

#
public:
#

#
//Constructor
#
Bitmap(){};
#

#

#
//Constructor specifying either a resource name or a bitmap file path\name.txt
#
Bitmap(char* FOR){
#
this->hbitmap=LoadBitmap(0,FOR);
#
if(!this->hbitmap){
#
this->hbitmap=(HBITMAP)LoadImage(NULL,FOR,IMAGE_BITMAP,0,0,LR_LOADFROMFILE);
#
}
#
}
#

#
//If the bitmap contains data or not
#
BOOL Exists(){
#
if(!this->hbitmap){
#
return FALSE;
#
}
#
return TRUE;
#
}
#

#
//Skipping through the obvious ones now...
#
HBITMAP GetHandle(){
#
return this->hbitmap;
#
}
#

#
HBITMAP SetHandle(HBITMAP hbm,HWND hwnd=(HWND)NULL,RECT* r=(RECT*)NULL){
#
HBITMAP temp;
#
temp=this->hbitmap;
#
this->hbitmap=hbm;
#
if(hwnd){
#
RECT rect;
#
if(!r){
#
GetClientRect(hwnd,&rect);
#
}
#
else{
#
rect=*r;
#
}
#
UpdateWindow(hwnd);
#
RedrawWindow(hwnd,&rect,0,RDW_ERASE|RDW_INVALIDATE);
#
}
#
return temp;
#
}
#

#
HBITMAP SetHandle(char*FOR,HWND hwnd=(HWND)NULL,RECT* r=(RECT*)NULL){
#
HBITMAP temp=this->hbitmap;
#
this->hbitmap=LoadBitmap(GetModuleHandle(0),FOR);
#
if(!this->hbitmap){
#
this->hbitmap=(HBITMAP)LoadImage(NULL,FOR,IMAGE_BITMAP,0,0,LR_LOADFROMFILE);
#
}
#
if(hwnd){
#
RECT rect;
#
if(!r){
#
GetClientRect(hwnd,&rect);
#
}
#
else{
#
rect=*r;
#
}
#
UpdateWindow(hwnd);
#
RedrawWindow(hwnd,&rect,0,RDW_ERASE|RDW_INVALIDATE);
#
}
#
return temp;
#
}
#
//This one nullifies the bitmap
#
void ClearHandle(HWND hwnd=(HWND)NULL,RECT* r=(RECT*)NULL){
#
this->hbitmap=(HBITMAP)NULL;
#
if(hwnd){
#
RECT rect;
#
if(!r){
#
GetClientRect(hwnd,&rect);
#
}
#
else{
#
rect=*r;
#
}
#
UpdateWindow(hwnd);
#
RedrawWindow(hwnd,&rect,0,RDW_ERASE|RDW_INVALIDATE);
#
}
#
}
#

#
//Draw the bitmap to a DC, arguments are obvious, bitmap is sized
#
//automatically according to it's actual size.
#
void Draw(HDC hdc,DWORD mode=SRCCOPY,int x=0,int y=0){
#
BITMAP bm;
#
GetObject(this->hbitmap,sizeof(BITMAP),&bm);
#
int w=bm.bmWidth;
#
int h=bm.bmHeight;
#
HDC src=CreateCompatibleDC(hdc);
#
SelectObject(src,this->hbitmap);
#
BitBlt(hdc,x,y,w,h,src,0,0,mode);
#
DeleteDC(src);
#
}
#

#

#
void DrawTransparent(HDC hdc,COLORREF transparentColor=RGB(255,255,255),int x=0,int y=0){
#
DrawTransparentBitmap(hdc,this->hbitmap,x,y,transparentColor);
#
}
#

#
//Save to the specified file
#
void SaveToFile(char* file){
#
BITMAPINFO* bmi=CreateBitmapInfoStruct(this->hbitmap);
#
CreateBMPFile(file,bmi,this->hbitmap,GetDC(GetDesktopWindow()));
#
}
#
};

void main()
{
Bitmap bitmap;
bitmap.SaveToFile("123.bmp");
}