diff options
Diffstat (limited to 'engines/lab/vga.cpp')
| -rw-r--r-- | engines/lab/vga.cpp | 45 |
1 files changed, 0 insertions, 45 deletions
diff --git a/engines/lab/vga.cpp b/engines/lab/vga.cpp index 9ccb5f5c54..959218e98c 100644 --- a/engines/lab/vga.cpp +++ b/engines/lab/vga.cpp @@ -143,51 +143,6 @@ byte *LabEngine::getCurrentDrawingBuffer() { } /*****************************************************************************/ -/* Blits a piece of one image to another. */ -/* NOTE: for our purposes, assumes that ImDest is to be in VGA memory. */ -/*****************************************************************************/ -void LabEngine::bltBitMap(Image *imSource, uint16 xs, uint16 ys, Image *imDest, - uint16 xd, uint16 yd, uint16 width, uint16 height) { - // I think the old code assumed that the source image data was valid for the given box. - // I will proceed on that assumption. - int sx = xs; - int sy = ys; - int dx = xd; - int dy = yd; - int w = width; - int h = height; - - if (dx < 0) { - sx -= dx; - w += dx; - dx = 0; - } - - if (dy < 0) { - sy -= dy; - w += dy; - dy = 0; - } - - if (dx + w > imDest->_width) - w = imDest->_width - dx; - - if (dy + h > imDest->_height) - h = imDest->_height - dy; - - if (w > 0 && h > 0) { - byte *s = imSource->_imageData + sy * imSource->_width + sx; - byte *d = imDest->_imageData + dy * imDest->_width + dx; - - while (h-- > 0) { - memcpy(d, s, w); - s += imSource->_width; - d += imDest->_width; - } - } -} - -/*****************************************************************************/ /* Scrolls the display in the x direction by blitting. */ /* The _tempScrollData variable must be initialized to some memory, or this */ /* function will fail. */ |