bool printText(bmpImage & image, HDC dc, HFONT font,
DWORD color, DWORD x, DWORD y, const char *text)
{
bool res = false;
if (image.isValid() && dc!=NULL && text != NULL && strlen(text)>0)
{
HDC memDC = CreateCompatibleDC(dc);
if (memDC != 0)
{
HBITMAP bmDefault = CreateCompatibleBitmap(dc, image.getWidth(), image.getHeight());
if (bmDefault != 0)
{
SelectObject(memDC, bmDefault);
drawImage(memDC, image, 0,0);
int oldMOde = SetBkMode(memDC, 1);
HFONT oldFont = (HFONT)SelectObject(memDC, font);
SetTextColor(memDC, color);
::TextOutA(memDC, x, y, text, (int)strlen(text));
::SelectObject(memDC, oldFont);
::SetBkMode(memDC, oldMOde);
::SelectObject(dc, bmDefault);
if (copyFromBitmap(memDC,image,bmDefault))
{
res = true;
#if TEST
{
drawImage(dc, image, 10,10);
}
#endif
}
DeleteObject(bmDefault);
}
DeleteDC(memDC);
}
}
return res;
}
BOOL fipWinImage::captureWindow(HWND hWndApplicationWindow, HWND hWndSelectedWindow) {
int xScreen, yScreen, xshift, yshift;
RECT r;
// Get window size
GetWindowRect(hWndSelectedWindow, &r);
// Check if the window is out of the screen or maximixed
xshift = 0;
yshift = 0;
xScreen = GetSystemMetrics(SM_CXSCREEN);
yScreen = GetSystemMetrics(SM_CYSCREEN);
if(r.right > xScreen)
r.right = xScreen;
if(r.bottom > yScreen)
r.bottom = yScreen;
if(r.left < 0) {
xshift = -r.left;
r.left = 0;
}
if(r.top < 0){
yshift = -r.top;
r.top = 0;
}
int width = r.right - r.left;
int height = r.bottom - r.top;
if(width <= 0 || height <= 0)
return FALSE;
// Hide the application window.
ShowWindow(hWndApplicationWindow, SW_HIDE);
// Bring the window at the top most level
SetWindowPos(hWndSelectedWindow, HWND_TOPMOST, 0, 0, 0, 0, SWP_NOMOVE|SWP_NOSIZE);
// Give enough time to refresh the window
Sleep(500);
// Prepare the DCs
HDC dstDC = GetDC(NULL);
HDC srcDC = GetWindowDC(hWndSelectedWindow); // full window (GetDC(hWndSelectedWindow) = clientarea)
HDC memDC = CreateCompatibleDC(dstDC);
// Copy the screen to the bitmap
HBITMAP bm = CreateCompatibleBitmap(dstDC, width, height);
HBITMAP oldbm = (HBITMAP)SelectObject(memDC, bm);
BitBlt(memDC, 0, 0, width, height, srcDC, xshift, yshift, SRCCOPY);
// Redraw the application window.
ShowWindow(hWndApplicationWindow, SW_SHOW);
// Restore the position
SetWindowPos(hWndSelectedWindow, HWND_NOTOPMOST, 0, 0, 0, 0, SWP_NOMOVE|SWP_NOSIZE);
SetWindowPos(hWndApplicationWindow, HWND_TOP, 0, 0, 0, 0, SWP_NOMOVE|SWP_NOSIZE);
// Convert the HBITMAP to a FIBITMAP
copyFromBitmap(bm);
// Free objects
DeleteObject(SelectObject(memDC, oldbm));
DeleteDC(memDC);
// Convert 32-bit images to 24-bit
if(getBitsPerPixel() == 32) {
convertTo24Bits();
}
return TRUE;
}
