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Code Issues Releases Activity

Fixed off-by-one error in background blit.

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This commit is contained in:
Muzychenko Andrey 2021-09-07 10:19:06 +03:00
parent 60e9f63607
commit 86eaad5b79
1 changed files with 4 additions and 4 deletions
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8
SpaceCadetPinball/gdrv.cpp
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@ -326,13 +326,13 @@ void gdrv::blat(gdrv_bitmap8* bmp, int xDest, int yDest)
GetClientRect(hwnd, &client); GetClientRect(hwnd, &client);
if (fullscrn::OffsetX > 0) if (fullscrn::OffsetX > 0)
{ {
BitBlt(dc, 0, 0, fullscrn::OffsetX, client.bottom, dc, 0, 0, rop); BitBlt(dc, 0, 0, min(fullscrn::OffsetX + 2, client.right), client.bottom, dc, 0, 0, rop);
BitBlt(dc, client.right - fullscrn::OffsetX, 0, client.right, client.bottom, dc, 0, 0, rop); BitBlt(dc, max(client.right - fullscrn::OffsetX - 2, 0), 0, client.right, client.bottom, dc, 0, 0, rop);
} }
else else
{ {
BitBlt(dc, 0, 0, client.right, fullscrn::OffsetY, dc, 0, 0, rop); BitBlt(dc, 0, 0, client.right, min(fullscrn::OffsetY + 2, client.bottom), dc, 0, 0, rop);
BitBlt(dc, 0, client.bottom - fullscrn::OffsetY, client.right, client.bottom, dc, 0, 0, rop); BitBlt(dc, 0, max(client.bottom - fullscrn::OffsetY - 2, 0), client.right, client.bottom, dc, 0, 0, rop);
} }
} }