From c267c3276e010a3707f7513ec185efca98436338 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Deuc=D0=B5?= <shurd@sasktel.net>
Date: Sun, 30 Apr 2023 13:19:07 -0400
Subject: [PATCH] Clear to black before drawing frame.
Will be needed once scaling works properly.
---
src/conio/win32gdi.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/src/conio/win32gdi.c b/src/conio/win32gdi.c
index d61197af97..2cb06b46c3 100644
--- a/src/conio/win32gdi.c
+++ b/src/conio/win32gdi.c
@@ -281,12 +281,16 @@ gdi_handle_wm_paint(HWND hwnd)
data = list->data;
}
winDC = BeginPaint(hwnd, &ps);
- if (memDC == NULL)
+ if (memDC == NULL) {
memDC = CreateCompatibleDC(winDC);
+ SetPixel(memDC, 0, 0, RGB(0, 0, 0));
+ }
if (di == NULL)
di = CreateDIBitmap(winDC, (BITMAPINFOHEADER *)&b5hdr, CBM_INIT, data, (BITMAPINFO *)&b5hdr, DIB_RGB_COLORS);
else
SetDIBits(winDC, di, 0, dih, data, (BITMAPINFO *)&b5hdr, DIB_RGB_COLORS);
+ // Clear to black first
+ StretchBlt(winDC, 0, 0, w, h, memDC, 0, 0, 1, 1, SRCCOPY);
di = SelectObject(memDC, di);
if (ciolib_scaling) {
BitBlt(winDC, 0, 0, w, h, memDC, 0, 0, SRCCOPY);
--
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