/* WarpWin.c */ /* glut for Warp */ #include #include #include "WarpWin.h" #include "WarpGL.h" #define POKA 0 /* global variables that must be set for some functions to operate correctly. */ HDC XHDC; HWND XHWND; void XStoreColor(Display* display, Colormap colormap, XColor* color) { /* KLUDGE: set XHDC to 0 if the palette should NOT be realized after setting the color. set XHDC to the correct HDC if it should. */ LONG pe; ULONG cclr; int r,g,b; /* X11 stores color from 0-65535, Win32 expects them to be 0-256, so twiddle the bits ( / 256). */ r = color->red / 256; g = color->green / 256; b = color->blue / 256; pe = LONGFromRGB(r,g,b); /* make sure we use this flag, otherwise the colors might get mapped to another place in the colormap, and when we glIndex() that color, it may have moved (argh!!) */ pe |= (PC_NOCOLLAPSE<<24); /* This function changes the entries in a palette. */ #if POKA OS2: rc = GpiSetPaletteEntries(colormap,LCOLF_CONSECRGB, color->pixel, 1, &pe); GpiSelectPalette(hps,colormap); WinRealizePalette(hwnd,hps,&cclr); source Win: if (XHDC) { UnrealizeObject(colormap); SelectPalette(XHDC, colormap, FALSE); RealizePalette(XHDC); } #endif } void XSetWindowColormap(Display* display, Window window, Colormap colormap) { #if POKA HDC hdc = GetDC(window); /* if the third parameter is FALSE, the logical colormap is copied into the device palette when the application is in the foreground, if it is TRUE, the colors are mapped into the current palette in the best possible way. */ SelectPalette(hdc, colormap, FALSE); RealizePalette(hdc); /* note that we don't have to release the DC, since our window class uses the WC_OWNDC flag! */ #endif } /* display, root and visual - don't used at all */ Colormap XCreateColormap(Display* display, Window root, Visual* visual, int alloc) { /* KLUDGE: this function needs XHDC to be set to the HDC currently being operated on before it is invoked! */ HPAL palette; int n; #if POKA PIXELFORMATDESCRIPTOR pfd; LOGPALETTE *logical; /* grab the pixel format */ memset(&pfd, 0, sizeof(PIXELFORMATDESCRIPTOR)); DescribePixelFormat(XHDC, GetPixelFormat(XHDC), sizeof(PIXELFORMATDESCRIPTOR), &pfd); if (!(pfd.dwFlags & PFD_NEED_PALETTE || pfd.iPixelType == PFD_TYPE_COLORINDEX)) { return 0; } n = 1 << pfd.cColorBits; /* allocate a bunch of memory for the logical palette (assume 256 colors in a Win32 palette */ logical = (LOGPALETTE*)malloc(sizeof(LOGPALETTE) + sizeof(PALETTEENTRY) * n); memset(logical, 0, sizeof(LOGPALETTE) + sizeof(PALETTEENTRY) * n); /* set the entries in the logical palette */ logical->palVersion = 0x300; logical->palNumEntries = n; /* start with a copy of the current system palette */ GetSystemPaletteEntries(XHDC, 0, 256, &logical->palPalEntry[0]); if (pfd.iPixelType == PFD_TYPE_RGBA) { int redMask = (1 << pfd.cRedBits) - 1; int greenMask = (1 << pfd.cGreenBits) - 1; int blueMask = (1 << pfd.cBlueBits) - 1; int i; /* fill in an RGBA color palette */ for (i = 0; i < n; ++i) { logical->palPalEntry[i].peRed = (((i >> pfd.cRedShift) & redMask) * 255) / redMask; logical->palPalEntry[i].peGreen = (((i >> pfd.cGreenShift) & greenMask) * 255) / greenMask; logical->palPalEntry[i].peBlue = (((i >> pfd.cBlueShift) & blueMask) * 255) / blueMask; logical->palPalEntry[i].peFlags = 0; } } palette = CreatePalette(logical); free(logical); SelectPalette(XHDC, palette, FALSE); RealizePalette(XHDC); #endif /* POKA */ return palette; } int GetSystemMetrics( int mode) { RECTL rect; switch(mode) { case SM_CXSCREEN: WinQueryWindowRect(HWND_DESKTOP,&rect); return (rect.xRight-rect.xLeft); break; case SM_CYSCREEN: WinQueryWindowRect(HWND_DESKTOP,&rect); return (rect.yTop-rect.yBottom); break; default: ; } return 0; } /* * XParseGeometry parses strings of the form * "=x{+-}{+-}", where * width, height, xoffset, and yoffset are unsigned integers. * Example: "=80x24+300-49" * The equal sign is optional. * It returns a bitmask that indicates which of the four values * were actually found in the string. For each value found, * the corresponding argument is updated; for each value * not found, the corresponding argument is left unchanged. */ static int ReadInteger(char *string, char **NextString) { register int Result = 0; int Sign = 1; if (*string == '+') string++; else if (*string == '-') { string++; Sign = -1; } for (; (*string >= '0') && (*string <= '9'); string++) { Result = (Result * 10) + (*string - '0'); } *NextString = string; if (Sign >= 0) return (Result); else return (-Result); } int XParseGeometry(char *string, int *x, int *y, unsigned int *width, unsigned int *height) { int mask = NoValue; register char *strind; unsigned int tempWidth, tempHeight; int tempX, tempY; char *nextCharacter; if ( (string == NULL) || (*string == '\0')) return(mask); if (*string == '=') string++; /* ignore possible '=' at beg of geometry spec */ strind = (char *)string; if (*strind != '+' && *strind != '-' && *strind != 'x') { tempWidth = ReadInteger(strind, &nextCharacter); if (strind == nextCharacter) return (0); strind = nextCharacter; mask |= WidthValue; } if (*strind == 'x' || *strind == 'X') { strind++; tempHeight = ReadInteger(strind, &nextCharacter); if (strind == nextCharacter) return (0); strind = nextCharacter; mask |= HeightValue; } if ((*strind == '+') || (*strind == '-')) { if (*strind == '-') { strind++; tempX = -ReadInteger(strind, &nextCharacter); if (strind == nextCharacter) return (0); strind = nextCharacter; mask |= XNegative; } else { strind++; tempX = ReadInteger(strind, &nextCharacter); if (strind == nextCharacter) return(0); strind = nextCharacter; } mask |= XValue; if ((*strind == '+') || (*strind == '-')) { if (*strind == '-') { strind++; tempY = -ReadInteger(strind, &nextCharacter); if (strind == nextCharacter) return(0); strind = nextCharacter; mask |= YNegative; } else { strind++; tempY = ReadInteger(strind, &nextCharacter); if (strind == nextCharacter) return(0); strind = nextCharacter; } mask |= YValue; } } /* If strind isn't at the end of the string the it's an invalid geometry specification. */ if (*strind != '\0') return (0); if (mask & XValue) *x = tempX; if (mask & YValue) *y = tempY; if (mask & WidthValue) *width = tempWidth; if (mask & HeightValue) *height = tempHeight; return (mask); } int gettimeofday(struct timeval* tp, void* tzp) { DATETIME DateTime; APIRET ulrc; /* Return Code. */ ulrc = DosGetDateTime(&DateTime); tp->tv_sec = 60 * (60*DateTime.hours + DateTime.minutes) + DateTime.seconds; tp->tv_usec = DateTime.hundredths * 10000; return 0; } int XPending(Display* display) { /* similar functionality...I don't think that it is exact, but this will have to do. */ QMSG msg; extern HAB hab; /* PM anchor block handle */ //?? WinPeekMsg(hab return WinPeekMsg(hab, &msg, NULLHANDLE, 0, 0, PM_NOREMOVE); } void __glutAdjustCoords(Window parent, int* x, int* y, int* width, int* height) { RECTL rect; /* adjust the window rectangle because Win32 thinks that the x, y, width & height are the WHOLE window (including decorations), whereas GLUT treats the x, y, width & height as only the CLIENT area of the window. */ rect.xLeft = *x; rect.yTop = *y; rect.xRight = *x + *width; rect.yBottom = *y + *height; /* must adjust the coordinates according to the correct style because depending on the style, there may or may not be borders. */ //?? AdjustWindowRect(&rect, WS_CLIPSIBLINGS | WS_CLIPCHILDREN | //?? (parent ? WS_CHILD : WS_OVERLAPPEDWINDOW), //?? FALSE); /* FALSE in the third parameter = window has no menu bar */ /* readjust if the x and y are offscreen */ if(rect.xLeft < 0) { *x = 0; } else { *x = rect.xLeft; } if(rect.yTop < 0) { *y = 0; } else { *y = rect.yTop; } *width = rect.xRight - rect.xLeft; /* adjusted width */ *height = -(rect.yBottom - rect.yTop); /* adjusted height */ } int __glutGetTransparentPixel(Display * dpy, XVisualInfo * vinfo) { /* the transparent pixel on Win32 is always index number 0. So if we put this routine in this file, we can avoid compiling the whole of layerutil.c which is where this routine normally comes from. */ return 0; } /* Translate point coordinates src_x and src_y from src to dst */ Bool XTranslateCoordinates(Display *display, Window src, Window dst, int src_x, int src_y, int* dest_x_return, int* dest_y_return, Window* child_return) { SWP swp_src,swp_dst; WinQueryWindowPos(src,&swp_src); WinQueryWindowPos(dst,&swp_dst); *dest_x_return = src_x + swp_src.x - swp_dst.x; *dest_y_return = src_y + swp_src.y - swp_dst.y; /* just to make compilers happy...we don't use the return value. */ return True; } Status XGetGeometry(Display* display, Window window, Window* root_return, int* x_return, int* y_return, unsigned int* width_return, unsigned int* height_return, unsigned int *border_width_return, unsigned int* depth_return) { /* KLUDGE: doesn't return the border_width or depth or root, x & y are in screen coordinates. */ SWP swp_src; WinQueryWindowPos(window,&swp_src); *x_return = swp_src.x; *y_return = swp_src.y; *width_return = swp_src.cx; *height_return = swp_src.cy; /* just to make compilers happy...we don't use the return value. */ return 1; } /* Get Display Width in millimeters */ int DisplayWidthMM(Display* display, int screen) { int width; LONG *pVC_Caps; pVC_Caps = GetVideoConfig(NULLHANDLE); width = (int)( 0.001 * pVC_Caps[CAPS_WIDTH] / pVC_Caps[CAPS_HORIZONTAL_RESOLUTION]);/* mm */ return width; } /* Get Display Height in millimeters */ int DisplayHeightMM(Display* display, int screen) { int height; LONG *pVC_Caps; pVC_Caps = GetVideoConfig(NULLHANDLE); height = (int)( 0.001 * pVC_Caps[CAPS_HEIGHT] / pVC_Caps[CAPS_VERTICAL_RESOLUTION]); /* mm */ return height; } void ScreenToClient( HWND hwnd, POINTL *point) { SWP swp_src; WinQueryWindowPos(hwnd,&swp_src); point->x -= swp_src.x; point->y -= swp_src.y; }