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/*
Copyright (c) 1991-2002, The Numerical ALgorithms Group Ltd.
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are
met:
- Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
- Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in
the documentation and/or other materials provided with the
distribution.
- Neither the name of The Numerical ALgorithms Group Ltd. nor the
names of its contributors may be used to endorse or promote products
derived from this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
extern int scrn;
extern Display *dsply;
extern XFontStruct *globalFont, *buttonFont, *headerFont,
*titleFont, *graphFont,
*lightingFont, *volumeFont, *quitFont, *saveFont,
*serverFont;
extern XrmDatabase rDB;
extern char scaleReport[5], deltaXReport[5], deltaYReport[5];
extern unsigned long *spadColors;
extern int followMouse, gotToggle, viewportKeyNum;
extern Window rtWindow, quitWindow, saveWindow;
extern GC globalGC1, globalGC2, anotherGC, globGC, trashGC,
componentGC, opaqueGC, renderGC,
controlMessageGC, lightingGC, volumeGC, quitGC,
saveGC, graphGC;
extern XSizeHints viewSizeHints;
extern HashTable *table;
extern Colormap colorMap;
extern int Socket, ack;
extern GC processGC;
extern viewPoints *viewport;
extern controlPanelStruct *control;
extern XGCValues gcVals;
extern char *s;
extern int someInt;
extern unsigned long foregroundColor, backgroundColor;
extern int mono, totalColors,
totalHues, totalSolidShades, totalSolid,
totalDitheredAndSolids,totalShades;
extern int drawMore;
extern int spadMode,spadDraw;
extern int spadSignalReceived;
extern int inNextEvent;
extern jmp_buf jumpFlag;
extern char errorStr[80];
extern view3DStruct viewData;
extern Window lightingWindow, lightingAxes;
extern float lightPointer[3], tempLightPointer[3];
extern float lightIntensity, tempLightIntensity;
extern float backLightIntensity;
extern char filename[256];
/** stuff from draw viewport routines */
extern float sinTheta, sinPhi, cosTheta, cosPhi,
viewScale, viewScaleX, viewScaleY, viewScaleZ, reScale;
extern int xCenter, yCenter;
extern XWindowAttributes vwInfo;
extern XWindowAttributes graphWindowAttrib;
extern XPoint *quadMesh;
extern int *xPts;
extern XImage *imageX;
extern float eyePoint[3];
extern XPoint polygonMesh[20];
extern int saveFlag;
extern int firstTime, noTrans, startup;
extern int redrawView;
extern int finishedList, redoSmooth, redoColor, zoomed,
rotated, switchedPerspective, changedEyeDistance,
translated, changedIntensity, movingLight, writeImage,
pixelSetFlag, redoDither, multiColorFlag;
extern poly *quickList;
extern int viewAloned;
extern viewTriple corners[8], clipCorners[8];
extern boxSideStruct box[6], clipBox[6];
extern int axesXY[3][4];
extern float axesZ[3][2];
extern viewTriple *splitPoints;
extern int resMax;
extern Window volumeWindow;
extern int frustrumVertex;
extern int doingPanel;
extern int doingVolume;
extern int screenX;
extern float xClipMinN, xClipMaxN,
yClipMinN, yClipMaxN,
zClipMinN, zClipMaxN,
clipValue;
extern float pzMin, pzMax;
extern int maxGreyShade;
extern char propertyName[];
extern char propertyBuffer[];
extern float transform[4][4], transform1[4][4],
R[4][4], R1[4][4], S[4][4], T[4][4], I[4][4];
extern float vxmax,vxmin,vymax,vymin,
wxmax,wxmin,wymax,wymin,wzmax,wzmin;
extern polyList *scanList[ARRAY_HEIGHT];
extern int scanline, polyCount;
extern float xleft, xright;
extern colorBuffer cBuffer[ARRAY_WIDTH];
extern float zBuffer[ARRAY_WIDTH];
extern float zC, dzdx;
extern float intersectColor[2], dcolor;
extern triple dpt, dnorm;
extern float Cspec, Cdiff, Camb, coeff, lum, saturation;
extern Pixmap viewmap;
extern int viewmap_valid;
extern int smoothHue;
extern int smoothConst;
extern int smoothError;
extern char *PSfilename; /* output file name in user directory */
extern char *envAXIOM; /* used for ps file paths */
extern Atom wm_delete_window;
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