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GPEBltParms (Windows CE 5.0)

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This structure controls blit operations for GPE and display drivers. Some of the members of GPEBltParms come from applications, while GPE calculates and sets the rest.

struct GPEBltParms {SCODE (GPE::* pBlt)(GPEBltParms* );GPESurf* pDst;GPESurf* pSrc;GPESurf* pMask;GPESurf* pBrush;RECTL* prclDst;RECTL* prclSrc;RECTL* prclClip;COLOR solidColor;unsigned long bltFlags;ROP4 rop4;RECTL* prclMask;POINTL* pptlBrush;int xPositive;int yPositive;unsigned long* pLookup;unsigned long (ColorConverter::* pConvert)(unsigned long);ColorConverter* pColorConverter;  int iMode;  BLENDFUNCTION blendFunction;  GenBltSignature bltSig;};

Members

  • pBlt
    Pointer to a function that will perform the blit operation.
  • pDst
    Pointer to the destination surface.
  • pSrc
    Pointer to the source surface.
  • pMask
    Pointer to the mask surface.
  • pBrush
    Pointer to the surface containing the brush.
  • prclDst
    Rectangle describing which portion of the destination surface to use.
  • prclSrc
    Rectangle describing which portion of the source surface to use.
  • prclClip
    Pointer to a clipping rectangle defined by the application.
  • solidColor
    Color to use for solid color fill blits. If the blit is a pattern fill, this should be set to –1.
  • bltFlags
    Blit operations to perform.
  • rop4
    ROP value for the blit.
  • prclMask
    Rectangle describing which portion of the mask surface to use.
  • pptlBrush
    Pointer to a POINTL brush.
  • xPositive
    Positive number if the x-coordinate of the display surface increases from left to right.
  • yPositive
    Positive number if the y-coordinate of the display surface increases from top to bottom.
  • pLookup
    Pointer to an array of color references which correspond to the palette entries. This is for source to palette color conversions.
  • pConvert
    Pointer to a function that handles color conversions.
  • pColorConverter
    Pointer to a color converter class.
  • iMode
    Mode to be used for StretchBlt. This value corresponds to the value set by SetStretchBltMode.
  • blendFunction
    Operation to use for AlphaBlend
  • bltSig
    64-bit encoding of other GPEBltParms members

Requirements

OS Versions: Windows CE 1.0 and later.
Header: Gpe.h.

See Also

Display Drivers

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