int main() {
// uint32_t colors[] = { BLACK, WHITE, RED, GREEN, BLUE };
uint32_t *data = NULL;
data=(uint32_t*)malloc(BMP_WIDTH*BMP_HEIGHT*sizeof(uint32_t));
bmp_rect(0, 0, BMP_WIDTH, BMP_HEIGHT, BLACK ,data);
bmp_rect(5, 5, BMP_WIDTH-10, BMP_HEIGHT-10, WHITE ,data);
bmp_ellipse(512, 512, 300, 300, GREEN, data);
bmp_triangle(215,512,812,512,700,278,BLUE,data);
bmp_line(512,700,512,278,RED,data);
// Schreibe BMP Datei
FILE *file = fopen("raster.bmp", "w"); //w steht für schreiben //a steht für anhängen
bitmap_file_header(file);
bitmap_info_header(file);
for (int y = 0; y < BMP_HEIGHT; y++) {
for (int x = 0; x < BMP_WIDTH; x++) {
write_N_byte(file, data[y * BMP_WIDTH + x], 4);
}
}
fclose(file);
free (data);
return 0;
}
void HistogramImg::OnLButtonUp(UINT flags, CPoint point)
{
drawing_ = false;
selection_rect_.NormalizeRect();
CClientDC dc(this);
dc.DrawFocusRect(selection_rect_);
Invalidate();
if (bmp_ != 0 && image_rect_.Width() > 0 && image_rect_.Height() > 0)
{
CRect rect= selection_rect_;
CRect bmp_rect(0, 0, bmp_->GetWidth() - 1, bmp_->GetHeight() - 1);
rect.left = (rect.left - image_rect_.left) * bmp_rect.Width() / image_rect_.Width();
rect.right = (rect.right - image_rect_.left) * bmp_rect.Width() / image_rect_.Width();
rect.top = (rect.top - image_rect_.top) * bmp_rect.Height() / image_rect_.Height();
rect.bottom = (rect.bottom - image_rect_.top) * bmp_rect.Height() / image_rect_.Height();
oStringstream ost;
if (rect == bmp_rect)
ost << _T("the whole photograph");
else
ost << _T("rectangle from (") << rect.left << _T(", ") << rect.top << _T(") to (") << rect.right << _T(", ") << rect.bottom << _T(")");
rect_label_wnd_->SetWindowText(ost.str().c_str());
// CWaitCursor wait;
if (selection_rect_.Width() * selection_rect_.Height() > 1000)
::SetCursor(::LoadCursor(0, IDC_WAIT));
// rebuild histogram
hist_view_->Build(*bmp_, rect);
}
SetCursor();
ReleaseCapture();
}
