Overscan blanking min value is -1

diff --git a/od-win32/win32gui.cpp b/od-win32/win32gui.cpp
index 0360a49475d6703bb49c760606dfc1b3c7d05bce..377f17c2ed863f06ca880020b24a0aa20f76cfb1 100644 (file)
--- a/od-win32/win32gui.cpp
+++ b/od-win32/win32gui.cpp
@@ -20695,9 +20695,9 @@ static void values_to_hw3ddlg (HWND hDlg, bool initdialog)
                yrange1 = xrange1;
                yrange2 = xrange2;
        } else if (workprefs.gf[filter_nativertg].gfx_filter_autoscale == AUTOSCALE_OVERSCAN_BLANK) {
-               xrange1 = 0;
+               xrange1 = -1;
                xrange2 = MANUAL_SCALE_MAX_RANGE - 1;
-               yrange1 = 0;
+               yrange1 = -1;
                yrange2 = 700;
        } else if (workprefs.gf[filter_nativertg].gfx_filter_autoscale == AUTOSCALE_INTEGER ||
                           workprefs.gf[filter_nativertg].gfx_filter_autoscale == AUTOSCALE_INTEGER_AUTOSCALE) {
@@ -21330,7 +21330,7 @@ static INT_PTR CALLBACK hw3dDlgProc (HWND hDlg, UINT msg, WPARAM wParam, LPARAM
                                        xSendDlgItemMessage(hDlg, IDC_FILTERVOV, TBM_SETPOS, TRUE, val);
                                }
                        } else if (fdwp->gfx_filter_autoscale == AUTOSCALE_OVERSCAN_BLANK) {
-                               if (h == hz && getdlgnumber(hz, &val, 0, 1900)) {
+                               if (h == hz && getdlgnumber(hz, &val, -1, 1900)) {
                                        fd->gfx_filter_left_border = fdwp->gfx_filter_left_border = val;
                                        xSendDlgItemMessage(hDlg, IDC_FILTERHZ, TBM_SETPOS, TRUE, val);
                                }
@@ -21338,7 +21338,7 @@ static INT_PTR CALLBACK hw3dDlgProc (HWND hDlg, UINT msg, WPARAM wParam, LPARAM
                                        fd->gfx_filter_right_border = fdwp->gfx_filter_right_border = val;
                                        xSendDlgItemMessage(hDlg, IDC_FILTERVZV, TBM_SETPOS, TRUE, val);
                                }
-                               if (h == vo && getdlgnumber(vo, &val, 0, 700)) {
+                               if (h == vo && getdlgnumber(vo, &val, -1, 700)) {
                                        fd->gfx_filter_top_border = fdwp->gfx_filter_top_border = val;
                                        xSendDlgItemMessage(hDlg, IDC_FILTERHOV, TBM_SETPOS, TRUE, val);
                                }