diff options
Diffstat (limited to 'engines/voyeur/files.cpp')
| -rw-r--r-- | engines/voyeur/files.cpp | 37 |
1 files changed, 35 insertions, 2 deletions
diff --git a/engines/voyeur/files.cpp b/engines/voyeur/files.cpp index 4c0ae1b4f2..02cdda0f5b 100644 --- a/engines/voyeur/files.cpp +++ b/engines/voyeur/files.cpp @@ -742,8 +742,17 @@ PictureResource::PictureResource(BoltFilesState &state, const byte *src) { int nbytes = _bounds.width() * _bounds.height(); if (_flags & PICFLAG_20) { - if (_flags & (PICFLAG_80 | PICFLAG_40)) { - error("TODO: sInitPic - Case 40 | 80"); + if (_flags & (PICFLAG_VFLIP | PICFLAG_HFLIP)) { + // Get the raw data for the picture from another resource + uint32 id = READ_LE_UINT32(&src[18]); + const byte *srcData = state._curLibPtr->boltEntry(id)._data; + _imgData = new byte[nbytes]; + + // Flip the image data either horizontally or vertically + if (_flags & PICFLAG_HFLIP) + flipHorizontal(srcData); + else + flipVertical(srcData); } else { error("TODO: sInitPic - Case !(40 | 80)"); } @@ -861,6 +870,30 @@ PictureResource::~PictureResource() { delete[] _imgData; } +void PictureResource::flipHorizontal(const byte *data) { + const byte *srcP = data + 18; + byte *destP = _imgData + _bounds.width() - 1; + + for (int y = 0; y < _bounds.height(); ++y) { + for (int x = 0; x < _bounds.width(); ++x, ++srcP, --destP) + *destP = *srcP; + + srcP += _bounds.width(); + destP += _bounds.width(); + } +} + +void PictureResource::flipVertical(const byte *data) { + const byte *srcP = data + 18; + byte *destP = _imgData + _bounds.width() * (_bounds.height() - 1); + + for (int y = 0; y < _bounds.height(); ++y) { + Common::copy(srcP, srcP + _bounds.width(), destP); + srcP += _bounds.width(); + destP -= _bounds.width(); + } +} + /*------------------------------------------------------------------------*/ ViewPortResource::ViewPortResource(BoltFilesState &state, const byte *src): |