gx.h

这是在PCA下的基于IPP库示例代码例子,在网上下了IPP的库之后,设置相关参数就可以编译该代码.

/*
//
//                  INTEL CORPORATION PROPRIETARY INFORMATION
//     This software is supplied under the terms of a license agreement or
//     nondisclosure agreement with Intel Corporation and may not be copied
//     or disclosed except in accordance with the terms of that agreement.
//       Copyright(c) 2003-2005 Intel Corporation. All Rights Reserved.
//
*/

// The following ifdef block is the standard way of creating macros which make exporting
// from a DLL simpler. All files within this DLL are compiled with the GXDLL_EXPORTS
// symbol defined on the command line. this symbol should not be defined on any project
// that uses this DLL. This way any other project whose source files include this file see
// GXDLL_API functions as being imported from a DLL, wheras this DLL sees symbols
// defined with this macro as being exported.

#ifdef GXDLL_EXPORTS
#define GXDLL_API __declspec(dllexport)
#else
#define GXDLL_API __declspec(dllimport)
#endif

struct GXDisplayProperties {
    DWORD cxWidth;
    DWORD cyHeight;         // notice lack of 'th' in the word height.
    long cbxPitch;          // number of bytes to move right one x pixel - can be negative.
    long cbyPitch;          // number of bytes to move down one y pixel - can be negative.
    long cBPP;              // # of bits in each pixel
    DWORD ffFormat;         // format flags.
};

struct GXKeyList {
    short vkUp;             // key for up
    POINT ptUp;             // x,y position of key/button.  Not on screen but in screen coordinates.
    short vkDown;
    POINT ptDown;
    short vkLeft;
    POINT ptLeft;
    short vkRight;
    POINT ptRight;
    short vkA;
    POINT ptA;
    short vkB;
    POINT ptB;
    short vkC;
    POINT ptC;
    short vkStart;
    POINT ptStart;
};

struct GXScreenRect {
    DWORD dwTop;
    DWORD dwLeft;
    DWORD dwWidth;
    DWORD dwHeight;
};

GXDLL_API int GXOpenDisplay(HWND hWnd, DWORD dwFlags);
GXDLL_API int GXCloseDisplay();
GXDLL_API void * GXBeginDraw();
GXDLL_API int GXEndDraw();
GXDLL_API int GXOpenInput();
GXDLL_API int GXCloseInput();
GXDLL_API GXDisplayProperties GXGetDisplayProperties();
GXDLL_API GXKeyList GXGetDefaultKeys(int iOptions);
GXDLL_API int GXSuspend();
GXDLL_API int GXResume();
GXDLL_API int GXSetViewport( DWORD dwTop, DWORD dwHeight, DWORD dwReserved1, DWORD dwReserved2 );
GXDLL_API BOOL GXIsDisplayDRAMBuffer();


// Although these flags can be unrelated they still
// have unique values.

#define GX_FULLSCREEN   0x01        // for OpenDisplay()
#define GX_NORMALKEYS   0x02
#define GX_LANDSCAPEKEYS    0x03

#ifndef kfLandscape
    #define kfLandscape 0x8         // Screen is rotated 270 degrees
    #define kfPalette   0x10        // Pixel values are indexes into a palette
    #define kfDirect    0x20        // Pixel values contain actual level information
    #define kfDirect555 0x40        // 5 bits each for red, green and blue values in a pixel.
    #define kfDirect565 0x80        // 5 red bits, 6 green bits and 5 blue bits per pixel
    #define kfDirect888 0x100       // 8 bits each for red, green and blue values in a pixel.
    #define kfDirect444 0x200       // 4 red, 4 green, 4 blue
    #define kfDirectInverted 0x400
#endif