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Correct mistake in XImage::CopyScaled

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This commit is contained in:
asava 2020-04-20 02:12:43 +03:00
parent 8993c7a7ec
commit f280ab3323
1 changed files with 4 additions and 4 deletions
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8
rEFIt_UEFI/libeg/XImage.cpp
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@ -221,10 +221,10 @@ void XImage::CopyScaled(const XImage& Image, float scale)
{ {
int lx = (int)(x / scale); int lx = (int)(x / scale);
float dx = x - lx * scale; float dx = x - lx * scale;
int a01 = (x == 0) ? 0 : -Pixel; int a01 = (lx == 0) ? 0 : -Pixel;
int a10 = (y == 0) ? 0 : -Row; int a10 = (ly == 0) ? 0 : -Row;
int a21 = (x == W - 1) ? 0 : Pixel; int a21 = (lx == W - 1) ? 0 : Pixel;
int a12 = (y == H - 1) ? 0 : Row; int a12 = (ly == H - 1) ? 0 : Row;
EFI_GRAPHICS_OUTPUT_BLT_PIXEL& dst = *GetPixelPtr(x, y); EFI_GRAPHICS_OUTPUT_BLT_PIXEL& dst = *GetPixelPtr(x, y);
dst.Blue = Smooth(&Source[lx + ly * SrcWidth].Blue, a01, a10, a21, a12, dx, dy, scale); dst.Blue = Smooth(&Source[lx + ly * SrcWidth].Blue, a01, a10, a21, a12, dx, dy, scale);
dst.Green = Smooth(&Source[lx + ly * SrcWidth].Green, a01, a10, a21, a12, dx, dy, scale); dst.Green = Smooth(&Source[lx + ly * SrcWidth].Green, a01, a10, a21, a12, dx, dy, scale);