//private
//------------------------------------------------------------------------
void pixel_map::create_from_bmp(BITMAPINFO *bmp)
{
if(bmp)
{
m_img_size = calc_row_len(bmp->bmiHeader.biWidth,
bmp->bmiHeader.biBitCount) *
bmp->bmiHeader.biHeight;
m_full_size = calc_full_size(bmp);
m_bmp = bmp;
m_buf = calc_img_ptr(bmp);
}
}
void Win32Window::drawImageGray(unsigned char *buffer, int width, int height, int x, int y)
{
//TODO
//create buffer
unsigned char *tmpBuf = malloc(width * height);
for (int i = 0; i < ; ++i)
{
}
//create paired BITMAP
{
unsigned line_len = calc_row_len(width, bits_per_pixel);
unsigned img_size = line_len * height;
unsigned rgb_size = calc_palette_size(0, bits_per_pixel) * sizeof(RGBQUAD);
unsigned full_size = sizeof(BITMAPINFOHEADER) + rgb_size + img_size;
BITMAPINFO *bmp = (BITMAPINFO *) new unsigned char[full_size];
bmp->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
bmp->bmiHeader.biWidth = width;
bmp->bmiHeader.biHeight = height;
bmp->bmiHeader.biPlanes = 1;
bmp->bmiHeader.biBitCount = (unsigned short)bits_per_pixel;
bmp->bmiHeader.biCompression = 0;
bmp->bmiHeader.biSizeImage = img_size;
bmp->bmiHeader.biXPelsPerMeter = 0;
bmp->bmiHeader.biYPelsPerMeter = 0;
bmp->bmiHeader.biClrUsed = 0;
bmp->bmiHeader.biClrImportant = 0;
}
{
m_img_size = calc_row_len(bmp->bmiHeader.biWidth,
bmp->bmiHeader.biBitCount) *
bmp->bmiHeader.biHeight;
m_full_size = calc_full_size(bmp);
m_bmp = bmp;
m_buf = calc_img_ptr(bmp);
}
::SetDIBitsToDevice(
hDc, // handle to device context
dvc_x, // x-coordinate of upper-left corner of
dvc_y, // y-coordinate of upper-left corner of
dvc_width, // source rectangle width
dvc_height, // source rectangle height
bmp_x, // x-coordinate of lower-left corner of
bmp_y, // y-coordinate of lower-left corner of
0, // first scan line in array
bmp_height, // number of scan lines
m_buf, // address of array with DIB bits
m_bmp, // address of structure BITMAPINFO
DIB_RGB_COLORS // RGB or palette indexes
);
free tmpBuf;
}