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MxVideoPresenter AlphaMask (formerly UnkStruct) (#226)

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MS
2023-10-21 18:40:31 -04:00
committed by GitHub
parent 5dfb132025
commit 85d94baa50
4 changed files with 115 additions and 14 deletions
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11
LEGO1/mxbitmap.h
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@@ -21,6 +21,13 @@ struct MxBITMAPINFO {
RGBQUAD bmiColors[256];
};
// Non-standard value for biCompression in the BITMAPINFOHEADER struct.
// By default, uncompressed bitmaps (BI_RGB) are stored in bottom-up order.
// You can specify that the bitmap has top-down order instead by providing
// a negative number for biHeight. It could be that Mindscape decided on a
// belt & suspenders approach here.
#define BI_RGB_TOPDOWN 0x10
// SIZE 0x20
// VTABLE 0x100dc7b0
class MxBitmap : public MxCore
@@ -43,6 +50,10 @@ public:
virtual MxResult StretchBits(HDC p_hdc, MxS32 p_xSrc, MxS32 p_ySrc, MxS32 p_xDest, MxS32 p_yDest, MxS32 p_destWidth, MxS32 p_destHeight); // vtable+40
inline BITMAPINFOHEADER *GetBmiHeader() const { return m_bmiHeader; }
inline MxLong GetBmiWidth() const { return m_bmiHeader->biWidth; }
inline MxLong GetBmiHeight() const { return m_bmiHeader->biHeight; }
inline MxLong GetBmiHeightAbs() const { return m_bmiHeader->biHeight > 0 ? m_bmiHeader->biHeight : -m_bmiHeader->biHeight; }
inline MxU8 *GetBitmapData() const { return m_data; }
private:
MxResult ImportColorsToPalette(RGBQUAD*, MxPalette*);