diff options
Diffstat (limited to 'engines/kyra/screen.cpp')
| -rw-r--r-- | engines/kyra/screen.cpp | 18 |
1 files changed, 13 insertions, 5 deletions
diff --git a/engines/kyra/screen.cpp b/engines/kyra/screen.cpp index 186f215668..762b6a20ce 100644 --- a/engines/kyra/screen.cpp +++ b/engines/kyra/screen.cpp @@ -761,8 +761,8 @@ void Screen::shuffleScreen(int sx, int sy, int w, int h, int srcPage, int dstPag } } -void Screen::fillRect(int x1, int y1, int x2, int y2, uint8 color, int pageNum) { - debugC(9, kDebugLevelScreen, "Screen::fillRect(%d, %d, %d, %d, %d, %d)", x1, y1, x2, y2, color, pageNum); +void Screen::fillRect(int x1, int y1, int x2, int y2, uint8 color, int pageNum, bool xor) { + debugC(9, kDebugLevelScreen, "Screen::fillRect(%d, %d, %d, %d, %d, %d, %d)", x1, y1, x2, y2, color, pageNum, xor); assert(x2 < SCREEN_W && y2 < SCREEN_H); if (pageNum == -1) pageNum = _curPage; @@ -774,9 +774,17 @@ void Screen::fillRect(int x1, int y1, int x2, int y2, uint8 color, int pageNum) clearOverlayRect(pageNum, x1, y1, x2-x1+1, y2-y1+1); - for (; y1 <= y2; ++y1) { - memset(dst, color, x2 - x1 + 1); - dst += SCREEN_W; + if (xor) { + for (; y1 <= y2; ++y1) { + for (int x = x1; x <= x2; ++x) + dst[x] ^= color; + dst += SCREEN_W; + } + } else { + for (; y1 <= y2; ++y1) { + memset(dst, color, x2 - x1 + 1); + dst += SCREEN_W; + } } } |