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use MxBitmap::Start

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Misha 2024-01-29 17:10:48 -05:00
parent ca2ec29de4
commit 03f14debd3
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1 changed files with 1 additions and 28 deletions
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29
LEGO1/lego/legoomni/src/control/mxcontrolpresenter.cpp
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@ -118,34 +118,7 @@ MxBool MxControlPresenter::FUN_10044270(MxS32 p_x, MxS32 p_y, MxPresenter* p_pre
MxBitmap* bitmap = ((MxVideoPresenter*) first)->GetBitmap(); MxBitmap* bitmap = ((MxVideoPresenter*) first)->GetBitmap();
if (((MxVideoPresenter*) first)->GetAlphaMask() == NULL) { if (((MxVideoPresenter*) first)->GetAlphaMask() == NULL) {
MxLong biCompression = bitmap->GetBmiHeader()->biCompression; start = bitmap->GetStart(p_x - first->GetLocation().GetX(), p_y - first->GetLocation().GetY());
MxLong height = bitmap->GetBmiHeight();
MxLong seekRow;
// DECOMP: Same basic layout as AlphaMask constructor
// The idea here is to again seek to the correct place in the bitmap's
// m_data buffer. The x,y args are (most likely) screen x and y, so we
// need to shift that to coordinates local to the bitmap by removing
// the MxPresenter location x and y coordinates.
if (biCompression == BI_RGB) {
if (biCompression == BI_RGB_TOPDOWN || height < 0) {
seekRow = p_y - first->GetLocation().GetY();
}
else {
height = height > 0 ? height : -height;
seekRow = height - p_y - 1 + first->GetLocation().GetY();
}
start = bitmap->GetBmiStride() * seekRow + bitmap->GetBitmapData() -
first->GetLocation().GetX() + p_x;
}
else if (biCompression == BI_RGB_TOPDOWN) {
start = bitmap->GetBitmapData();
}
else {
height = height > 0 ? height : -height;
height--;
start = bitmap->GetBmiStride() * height + bitmap->GetBitmapData();
}
} }
else { else {
start = NULL; start = NULL;