Descent3/lib/linux/lnxdraw.h

#ifndef __LNXDRAW_H_
#define __LNXDRAW_H_

//#include "dyna_xwin.h"
//#include "dyna_xext.h"

#include <SDL.h>

typedef struct
{
//	Display *dDisplay;  // Which X-Windows Display to use
	int nScreen;        // Which X-Windows screen to use
}LnxVideoDesc;


typedef struct
{
    unsigned int bpp;      // bits per pixel.
	unsigned int dwFlags;  // flags for window
	unsigned int dwWidth;  // width of the created window
	unsigned int dwHeight; // height of the created window
	unsigned int dwXPos;   // Top-Left X position
	unsigned int dwYPos;   // Top-Left Y position

	char *lpszName;        // Window name
//	Window *pre_created_window; // Window already created
//	XVisualInfo pre_created_visinfo;
}LnxWindowDesc;
//#define LNXDRAWF_USEPRECREATEDWIN	0x01
	
typedef struct
{
//	XSizeHints      *lpSizeHints;
//	XWMHints        *lpWmHints;
//	XClassHint      *lpClassHints;
//	Visual          *lpXvisual;
//	Window          wWindow;
    SDL_Surface     *surface;
//	bool            bHaveSharedMemory;
	bool            bLocked;
//	bool            WindowPreCreated;
//	XVisualInfo     viVisualInfo;
//	Colormap        cmColorMap;
	unsigned char   *lpBuffer;
//	GC              m_GC;
//	XImage          *lpImage;
//	XShmSegmentInfo shmInfo;
	unsigned int    dwWidth;  // width of the created window
	unsigned int    dwHeight; // height of the created window
    bool            fullScreen;

	unsigned int    lock_x,lock_y,lock_w,lock_h;
	unsigned char   *lock_ptr;
}LnxWindow;

//////////////////////
// LnxDraw_InitVideo
//////////////////////
// Initializes the Linux video system (for X-Windows)
// 
// Returns:
//       0 : no error
//      -1 : invalid parameter
//      -2 : already initialized
int LnxDraw_InitVideo(LnxVideoDesc *ldesc);

/////////////////////////
// LnxDraw_CreateWindow
/////////////////////////

// Creates and displays a window
// 
// Returns:
//       0 : no error (handle in lphandle)
//      -1 : invalid parameter
//      -2 : Display not opened
//      -3 : Out of memory
int LnxDraw_CreateWindow(LnxWindowDesc *ldesc,LnxWindow **lphandle);

//////////////////////////
// LnxDraw_DestroyWindow
//////////////////////////
// Closes and deletes a window
// 
// Returns:
//       0 : no error
//      -1 : invalid parameter
int LnxDraw_DestroyWindow(LnxWindow *handle);

////////////////////////
// LnxDraw_LockSurface
////////////////////////
// Locks the window surface, giving you a pointer to write data to
// 
// Returns:
//       true : success
//       false : error
bool LnxDraw_LockSurface(LnxWindow *wnd,unsigned int x1,unsigned int y1,unsigned int x2,unsigned int y2,unsigned char **ptr,int *pitch);

//////////////////////////
// LnxDraw_UnlockSurface
//////////////////////////
// Unlocks the window surface, blitting the buffer
// 
void LnxDraw_UnlockSurface(LnxWindow *wnd,unsigned char *ptr);

////////////////////////////
/// LnxDraw_Blit
////////////////////////////
// Blits a buffer to the window
// 
// Returns:
//       0 : no error
//      -1 : invalid parameter
//      -2 : unknown error
int LnxDraw_Blit(LnxWindow *wnd,unsigned char *ptr,unsigned int x,unsigned int y,unsigned int w,unsigned int h);

////////////////////////
// LnxDraw_GetRGBMasks
////////////////////////
// Returns the RGB masks for the display
// 
// Returns:
//       0 : no error
//      -1 : invalid parameters
int LnxDraw_GetRGBMasks(LnxWindow *wnd,unsigned int *r,unsigned int *g,unsigned int *b);

#endif