2 // The following ifdef block is the standard way of creating macros which make exporting
3 // from a DLL simpler. All files within this DLL are compiled with the GXDLL_EXPORTS
4 // symbol defined on the command line. this symbol should not be defined on any project
5 // that uses this DLL. This way any other project whose source files include this file see
6 // GXDLL_API functions as being imported from a DLL, wheras this DLL sees symbols
7 // defined with this macro as being exported.
10 #define GXDLL_API __declspec(dllexport)
12 #define GXDLL_API __declspec(dllimport)
15 struct GXDisplayProperties {
17 DWORD cyHeight; // notice lack of 'th' in the word height.
18 long cbxPitch; // number of bytes to move right one x pixel - can be negative.
19 long cbyPitch; // number of bytes to move down one y pixel - can be negative.
20 long cBPP; // # of bits in each pixel
21 DWORD ffFormat; // format flags.
25 short vkUp; // key for up
26 POINT ptUp; // x,y position of key/button. Not on screen but in screen coordinates.
50 GXDLL_API int GXOpenDisplay(HWND hWnd, DWORD dwFlags);
51 GXDLL_API int GXCloseDisplay();
52 GXDLL_API void * GXBeginDraw();
53 GXDLL_API int GXEndDraw();
54 GXDLL_API int GXOpenInput();
55 GXDLL_API int GXCloseInput();
56 //The following two lines modified by Dan East to make this header C compatible:
57 //Added "struct" to the following two prototypes:
58 GXDLL_API struct GXDisplayProperties GXGetDisplayProperties();
59 GXDLL_API struct GXKeyList GXGetDefaultKeys(int iOptions);
60 GXDLL_API int GXSuspend();
61 GXDLL_API int GXResume();
62 GXDLL_API int GXSetViewport( DWORD dwTop, DWORD dwHeight, DWORD dwReserved1, DWORD dwReserved2 );
63 GXDLL_API BOOL GXIsDisplayDRAMBuffer();
66 // Although these flags can be unrelated they still
67 // have unique values.
69 #define GX_FULLSCREEN 0x01 // for OpenDisplay()
70 #define GX_NORMALKEYS 0x02
71 #define GX_LANDSCAPEKEYS 0x03
74 #define kfLandscape 0x8 // Screen is rotated 270 degrees
75 #define kfPalette 0x10 // Pixel values are indexes into a palette
76 #define kfDirect 0x20 // Pixel values contain actual level information
77 #define kfDirect555 0x40 // 5 bits each for red, green and blue values in a pixel.
78 #define kfDirect565 0x80 // 5 red bits, 6 green bits and 5 blue bits per pixel
79 #define kfDirect888 0x100 // 8 bits each for red, green and blue values in a pixel.
80 #define kfDirect444 0x200 // 4 red, 4 green, 4 blue
81 #define kfDirectInverted 0x400