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// 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();
//The following two lines modified by Dan East to make this header C compatible:
//Added "struct" to the following two prototypes:
GXDLL_API struct GXDisplayProperties GXGetDisplayProperties();
GXDLL_API struct 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
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