undocgdi.h

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#ifndef _UNDOCGDI_H
#define _UNDOCGDI_H

#define DS_TILE 0x2
#define DS_TRANSPARENTALPHA 0x4
#define DS_TRANSPARENTCLR 0x8
#define DS_TRUESIZE 0x20

typedef struct GDI_DRAW_STREAM_TAG
{
    DWORD   signature;     // must be 0x44727753;//"Swrd"
    DWORD   reserved;      // must be 0
    HDC     hDC;           // handle to the device object of windiw to draw.
    RECT    rcDest;        // desination rect of dc to draw.
    DWORD   unknown1;      // must be 1.
    HBITMAP hImage;
    DWORD   unknown2;      // must be 9.
    RECT    rcClip;
    RECT    rcSrc;         // source rect of bitmap to draw.
    DWORD   drawOption;    // DS_ flags
    DWORD   leftSizingMargin;
    DWORD   rightSizingMargin;
    DWORD   topSizingMargin;
    DWORD   bottomSizingMargin;
    DWORD   crTransparent; // transparent color.
} GDI_DRAW_STREAM, *PGDI_DRAW_STREAM;

BOOL
WINAPI
GdiDrawStream(HDC dc, ULONG l, PGDI_DRAW_STREAM pDS);

BOOL
WINAPI
GetTextExtentExPointWPri(
    HDC hdc,
    LPCWSTR lpwsz, 
    INT cwc,
    INT dxMax, 
    LPINT pcCh, 
    LPINT pdxOut, 
    LPSIZE psize);

#endif