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make guard lines easier to adjust

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FunkyFr3sh 2022-09-18 10:41:27 +02:00
parent cbae2db055
commit a1b58749a2
1 changed files with 3 additions and 2 deletions
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5
src/ddsurface.c
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@ -1056,15 +1056,16 @@ HRESULT dd_CreateSurface(
dst_surface->l_pitch = ((dst_surface->width * dst_surface->bpp + 31) & ~31) >> 3;
dst_surface->size = dst_surface->l_pitch * dst_surface->height;
int guard_lines = 200;
DWORD aligned_width = dst_surface->l_pitch / dst_surface->lx_pitch;
DWORD bmi_size = sizeof(BITMAPINFOHEADER) + sizeof(RGBQUAD) * 256;
DWORD bmp_size = dst_surface->l_pitch * (dst_surface->height + 200);
DWORD bmp_size = dst_surface->l_pitch * (dst_surface->height + guard_lines);
dst_surface->bmi = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, bmi_size);
dst_surface->bmi->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
dst_surface->bmi->bmiHeader.biWidth = aligned_width;
dst_surface->bmi->bmiHeader.biHeight = -((int)dst_surface->height + 200);
dst_surface->bmi->bmiHeader.biHeight = -((int)dst_surface->height + guard_lines);
dst_surface->bmi->bmiHeader.biPlanes = 1;
dst_surface->bmi->bmiHeader.biBitCount = dst_surface->bpp;
dst_surface->bmi->bmiHeader.biCompression = dst_surface->bpp == 8 ? BI_RGB : BI_BITFIELDS;