HDC * CreateImage(long width, long height)
{
BITMAPINFO bmInfo = {0};
memset(&bmInfo,0,sizeof(bmInfo));
bmInfo.bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
bmInfo.bmiHeader.biWidth = width;
bmInfo.bmiHeader.biHeight = height * -1; // Negative gives us a top-down image.
bmInfo.bmiHeader.biPlanes = 1;
bmInfo.bmiHeader.biBitCount = 24;
bmInfo.bmiHeader.biCompression = BI_RGB;
HDC hdc = ::CreateCompatibleDC(NULL);
ScopeGuard guardDC = MakeGuard(::DeleteDC, hdc);
unsigned char *pBits = NULL;
HBITMAP hbm = ::CreateDIBSection(hdc, &bmInfo, DIB_RGB_COLORS, (void **)&pBits, NULL, NULL);
writeTIFF("C:\\Flake.tif", hdc);
//DeleteObject(SelectObject(hdc, hbm));
return &hdc;
}
/**
* Write float image as TIFF 32 bits per sample.
*/
int io_tiff_write_f32(const char *fname, const float *data,
size_t nx, size_t ny, size_t nc)
{
int ok;
TIFF *tif = TIFFOpen(fname, "w");
if (!tif) {
fprintf(stderr, "Unable to write TIFF file %s\n", fname);
return 0;
}
ok = writeTIFF(tif, data, nx, ny, nc);
TIFFClose(tif);
return (ok ? 0 : -1);
}