diff options
-rw-r--r-- | engines/sci/graphics/screen.cpp | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/engines/sci/graphics/screen.cpp b/engines/sci/graphics/screen.cpp index fa1f7019fd..a86f64c44f 100644 --- a/engines/sci/graphics/screen.cpp +++ b/engines/sci/graphics/screen.cpp @@ -594,18 +594,19 @@ void GfxScreen::debugShowMap(int mapNo) { } void GfxScreen::scale2x(const byte *src, byte *dst, int16 srcWidth, int16 srcHeight) { - int newWidth = srcWidth * 2; + const int newWidth = srcWidth * 2; const byte *srcPtr = src; for (int y = 0; y < srcHeight; y++) { for (int x = 0; x < srcWidth; x++) { - int destOffset = y * 2 * newWidth + x * 2; - dst[destOffset] = *srcPtr; - dst[destOffset + 1] = *srcPtr; - dst[destOffset + newWidth] = *srcPtr; - dst[destOffset + newWidth + 1] = *srcPtr; - srcPtr++; + const byte color = *srcPtr++; + dst[0] = color; + dst[1] = color; + dst[newWidth] = color; + dst[newWidth + 1] = color; + dst += 2; } + dst += srcWidth; } } |