/* Copyright (C) 1991-2002, The Numerical Algorithms Group Ltd. All rights reserved. Copyright (C) 2007-2008, Gabriel Dos Reis. 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. */ #define _MAIN3D_C #include "axiom-c-macros.h" #include #include #include #include #include #include #include "header.h" #include "cpanel.h" #include "process.h" #include "bsdsignal.h" #include "util.H1" #include "Gfun.H1" #include "XSpadFill.H1" #include "XShade.H1" #include "all_3d.H1" #include "spadBitmap.bitmap" #include "spadMask.mask" viewPoints *viewport; GCptr GChead=NULL; /* ptr to head of ps GC linked list */ char *PSfilename; /* output file name used in user directory */ int psInit=no; /* need to call globaInitPs() each run */ char *envAXIOM; /* used for ps file paths */ int maxGreyShade=0; GC globalGC1, globalGC2, anotherGC, globGC, trashGC, controlMessageGC, lightingGC, volumeGC, quitGC, processGC, saveGC, graphGC, componentGC, opaqueGC, renderGC; unsigned long foregroundColor, backgroundColor; int Socket=1, ack=1; Colormap colorMap; viewTriple *splitPoints; Display *dsply; int scrn; Window rtWindow; HashTable *table; int mono, totalColors, totalSolid, totalDithered, totalHues, totalSolidShades, totalDitheredAndSolids,totalShades; XFontStruct *globalFont, *buttonFont, *headerFont, *titleFont, *graphFont, *lightingFont, *volumeFont, *quitFont, *saveFont,*serverFont; XGCValues gcVals; unsigned long * spadColors; float transform[4][4], transform1[4][4], R[4][4], R1[4][4], S[4][4], T[4][4], I[4][4]; float A[4][4], B[4][4], D[4], E[4][4], F[4], array[4][4]; int followMouse=no, viewportKeyNum=0; /**********************/ /** global variables **/ /**********************/ char scaleReport[5]; char deltaXReport[5], deltaYReport[5]; XSizeHints viewSizeHints; GC processGC; viewPoints *viewport; controlPanelStruct *control; char *s; int someInt; /* check /usr/include/X11 for current implementation of pixels (e.g. BlackPixel()) */ /** totalShades is initially set to totalShadesConst. If X cannot allocate 8 shades for each hue, total- Shades is decremented. there is currently only a check for this value to be positive. --> something to add: change over to monochrome if totalShades=0. just modify the spadcolors.c file. spadcolors.c has been modified so that it returns the value for totalShades. since the return value had previously been unused, a modification in this way ensures continued support of other routines calling this function (e.g. hypertex stuff). **/ int drawMore; int spadMode=no, /* yes if receiving OpenAxiom command and calling drawViewport */ spadDraw=no; /* yes if drawing viewport for an OpenAxiom command */ int spadSignalReceived=0; /* yes if current state is a result of a signal from OpenAxiom */ int inNextEvent=no; /* true just before a call to XNextEvent */ jmp_buf jumpFlag; char errorStr[80]; view3DStruct viewData; Window quitWindow, saveWindow; /** variables below assume only one viewport per process **/ Window lightingWindow, lightingAxes; float lightPointer[3], tempLightPointer[3]; int axesXY[3][4]; float axesZ[3][2]; float lightIntensity=1.0, tempLightIntensity; float backLightIntensity = 1.0; /** used for writing viewport info out to a file **/ char filename[256]; /** used for draw viewport routines */ float sinTheta, sinPhi, cosTheta, cosPhi, viewScale, viewScaleX, viewScaleY, viewScaleZ, reScale; int xCenter, yCenter; XWindowAttributes vwInfo; XWindowAttributes graphWindowAttrib; XPoint *quadMesh; XImage *imageX; int *xPts; /* pointer to projected points (x followed by y) */ float transform[4][4], transform1[4][4], R[4][4], R1[4][4], S[4][4], T[4][4], I[4][4]; float A[4][4], B[4][4], D[4], E[4][4], F[4], array[4][4]; int scanline, polyCount; polyList *scanList[ARRAY_HEIGHT]; float xleft = (float)0 ,xright = (float)ARRAY_WIDTH; colorBuffer cBuffer[ARRAY_WIDTH]; float zBuffer[ARRAY_WIDTH]; float zC, dzdx, lum, point_norm[3]; float intersectColor[2], dcolor; triple dpt, dnorm; /** eyePoint **/ float eyePoint[3]; /** tube stuff **/ XPoint polygonMesh[20]; /* bypass the hidden surface algorithm if no rotations, etc */ int saveFlag=no; int firstTime=yes, noTrans = yes, startup = yes; int redrawView = no; /* set to yes when returning from subpanels */ int redoColor = no, pixelSetFlag = no, redoDither = no; int redoSmooth = no, multiColorFlag = no; /* In order to set recalc to true (see draw.h) */ int finishedList=no, zoomed=yes, translated = yes, changedIntensity, movingLight = no, writeImage = no, rotated=yes, switchedPerspective, changedEyeDistance, gotToggle = no; poly *quickList; /** if not connected to OpenAxiom **/ int viewAloned; /** for drawing the box **/ viewTriple corners[8], clipCorners[8]; boxSideStruct box[6], clipBox[6]; /** for freeing up points created frrom split polygons **/ int resMax=0; /* number of points in the split point resevoir */ /** view volume stuff **/ Window volumeWindow; int frustrumVertex; int doingPanel=CONTROLpanel; /* rewrite titles in proper panel */ int doingVolume; int screenX; /* global floating point indicating mouse position on frustrum screen */ float xClipMinN, xClipMaxN, /* normalized values for clip volume */ yClipMinN, yClipMaxN, zClipMinN, zClipMaxN, clipValue; /* mouse input */ float pzMin, pzMax; /* for a given (theta,phi): calculated in drawViewport(), used in drawFrustrum() */ /** B/W shades **/ /** events from the viewport manager **/ char propertyName[14]; char propertyBuffer[256]; /* global ps variables */ /** Resource database **/ XrmDatabase rDB; /** variables used for smooth shading **/ int smoothError = no; Pixmap viewmap; float Cspec = 0.30; float Cdiff = 0.4; float Camb = 0.3; float coeff = 35.0; float saturation = 0.8; int smoothHue; int smoothConst = 50; void main(void) { XGCValues controlGCVals; int i, code; char property[256]; char *prop = &property[0]; char *str_type[20]; XrmValue value; Atom wm_delete_window; XColor foreColor, backColor; XSizeHints titleSizeHints; Window viewTitleWindow, viewGraphWindow; XSetWindowAttributes viewAttrib; Pixmap spadbits,spadmask; /**** Global inits ****/ splitPoints = NIL(viewTriple); /**** Set up display ****/ if ((dsply = XOpenDisplay(getenv("DISPLAY"))) == NULL) {fprintf(stderr,"Could not open display.\n");exit (-1);} scrn = DefaultScreen(dsply); rtWindow = RootWindow(dsply,scrn); /**** link Xwindows to viewports - X10 feature ****/ table = XCreateAssocTable(nbuckets); /**** Create OpenAxiom color map ****/ totalShades = 0; totalColors = XInitSpadFill(dsply,scrn,&colorMap, &totalHues,&totalSolidShades, &totalDitheredAndSolids,&totalShades); if (totalColors < 0) { fprintf(stderr,"ERROR: Could not allocate all the necessary colors.\n"); exitWithAck(RootWindow(dsply,scrn),Window,-1); } PSGlobalInit(); /* must initiate before using any G/PS functions */ /* need character name: used as postscript GC variable */ /* need to create ps GCs for all GCs used by drawing in viewWindow */ /* globalGC1 */ controlGCVals.foreground = monoColor(axesColor); controlGCVals.background = backgroundColor; globalGC1 = XCreateGC(dsply,rtWindow,GCForeground | GCBackground ,&controlGCVals); carefullySetFont(globalGC1,globalFont); PSCreateContext(globalGC1, "globalGC1", psNormalWidth, psButtCap, psMiterJoin, psWhite, psBlack); /* controlMessageGC */ controlGCVals.foreground = controlMessageColor; controlGCVals.background = backgroundColor; controlMessageGC = XCreateGC(dsply,rtWindow,GCForeground | GCBackground ,&controlGCVals); carefullySetFont(controlMessageGC,globalFont); /* globalGC2 */ controlGCVals.foreground = monoColor(labelColor); globalGC2 = XCreateGC(dsply,rtWindow,GCForeground,&controlGCVals); carefullySetFont(globalGC2,buttonFont); PSCreateContext(globalGC2, "globalGC2", psNormalWidth, psButtCap, psMiterJoin, psWhite, psBlack); /* trashGC */ controlGCVals.function = GXcopy; trashGC = XCreateGC(dsply,rtWindow,0 ,&controlGCVals); carefullySetFont(trashGC,buttonFont); PSCreateContext(trashGC, "trashGC", psNormalWidth, psButtCap, psMiterJoin, psWhite, psBlack); /* componentGC */ componentGC = XCreateGC(dsply,rtWindow,0 ,&controlGCVals); carefullySetFont(componentGC,buttonFont); PSCreateContext(componentGC, "componentGC", psNormalWidth, psButtCap, psMiterJoin, psWhite, psBlack); /* opaqueGC */ opaqueGC = XCreateGC(dsply,rtWindow,0 ,&controlGCVals); carefullySetFont(opaqueGC,buttonFont); PSCreateContext(opaqueGC, "opaqueGC", psNormalWidth, psButtCap, psMiterJoin, psWhite, psBlack); /* renderGC */ renderGC = XCreateGC(dsply,rtWindow,0,&controlGCVals); carefullySetFont(renderGC,buttonFont); PSCreateContext(renderGC, "renderGC", psNormalWidth, psButtCap, psMiterJoin, psWhite, psBlack); /* globGC */ globGC = XCreateGC(dsply,rtWindow,0,&controlGCVals); carefullySetFont(globGC,headerFont); PSCreateContext(globGC, "globGC", psNormalWidth, psButtCap, psMiterJoin, psWhite, psBlack); /* anotherGC */ controlGCVals.line_width = colorWidth; anotherGC = XCreateGC(dsply,rtWindow,GCBackground | GCLineWidth | GCFunction ,&controlGCVals); carefullySetFont(anotherGC,titleFont); PSCreateContext(anotherGC, "anotherGC", psNormalWidth, psButtCap, psMiterJoin, psWhite, psBlack); /* also create one for rendering (grayscale only for now) */ /* assign arbitrary number to renderGC as 9991 - see header.h */ PSCreateContext(GC9991, "renderGC", psNormalWidth, psButtCap, psRoundJoin, psWhite, psBlack ); /* processGC */ gcVals.background = backgroundColor; processGC = XCreateGC(dsply,rtWindow,GCBackground | GCFillStyle,&gcVals); carefullySetFont(processGC,buttonFont); /* lightingGC */ controlGCVals.foreground = monoColor(axesColor); controlGCVals.background = backgroundColor; lightingGC = XCreateGC(dsply,rtWindow,GCForeground | GCBackground ,&controlGCVals); carefullySetFont(lightingGC,lightingFont); /* volumeGC */ volumeGC = XCreateGC(dsply,rtWindow,GCForeground | GCBackground ,&controlGCVals); carefullySetFont(volumeGC,volumeFont); /* quitGC */ quitGC = XCreateGC(dsply,rtWindow,GCForeground | GCBackground ,&controlGCVals); carefullySetFont(quitGC,buttonFont); /* saveGC */ saveGC = XCreateGC(dsply,rtWindow,GCForeground | GCBackground ,&controlGCVals); carefullySetFont(saveGC,buttonFont); /* graphGC */ graphGC = XCreateGC(dsply,rtWindow,GCForeground | GCBackground ,&controlGCVals); carefullySetFont(graphGC,buttonFont); if (!(viewport = (viewPoints *)saymem("viewport3D.c", 1,sizeof(viewPoints)))) { fprintf(stderr,"Ran out of memory trying to create a viewport.\n"); exitWithAck(RootWindow(dsply,scrn),Window,-1); } /* Definition of the 4x4 identity matrix. */ I[0][0] = 1.0; I[0][1] = 0.0; I[0][2] = 0.0; I[0][3] = 0.0; I[1][0] = 0.0; I[1][1] = 1.0; I[1][2] = 0.0; I[1][3] = 0.0; I[2][0] = 0.0; I[2][1] = 0.0; I[2][2] = 1.0; I[2][3] = 0.0; I[3][0] = 0.0; I[3][1] = 0.0; I[3][2] = 0.0; I[3][3] = 1.0; viewport->viewportKey = viewportKeyNum++; viewport->nextViewport = 0; viewport->prevViewport = 0; viewport->deltaX = viewport->deltaX0 = viewData.deltaX; viewport->deltaY = viewport->deltaY0 = viewData.deltaY; viewport->deltaZ = viewport->deltaZ0 = viewData.deltaZ; viewport->scale = viewport->scale0 = viewData.scale; viewport->scaleX = viewData.scaleX; viewport->scaleY = viewData.scaleY; viewport->scaleZ = viewData.scaleZ; viewport->transX = (viewData.xmax + viewData.xmin)/2.0; viewport->transY = (viewData.ymax + viewData.ymin)/2.0; viewport->transZ = (viewData.zmax + viewData.zmin)/2.0; viewport->theta = viewport->axestheta = viewport->theta0 = viewData.theta; viewport->phi = viewport->axesphi = viewport->phi0 = viewData.phi; viewport->thetaObj = 0.0; viewport->phiObj = 0.0; viewData.title = "untitled"; strcpy(viewport->title,viewData.title); viewport->axesOn = yes; viewport->regionOn = no; viewport->monoOn = no; viewport->zoomXOn = yes; viewport->zoomYOn = yes; viewport->zoomZOn = yes; viewport->originrOn = yes; viewport->objectrOn = no; viewport->originFlag = no; viewport->xyOn = no; viewport->xzOn = no; viewport->yzOn = no; viewport->closing = no; viewport->allowDraw = yes; /*if no, just draw axes the first time */ viewport->needNorm = yes; viewport->lightVector[0] = -0.5; viewport->lightVector[1] = 0.5; viewport->lightVector[2] = 0.5; viewport->translucency = viewData.translucency; viewport->hueOffset = viewData.hueOff; viewport->numberOfHues = viewData.numOfHues; viewport->hueTop = viewData.hueOff + viewData.numOfHues; if (viewport->hueTop > totalHues-1) viewport->hueTop = totalHues-1; viewport->diagonals = viewData.diagonals; /* make theta in [0..2pi) and phi in (-pi..pi] */ while (viewport->theta >= two_pi) { viewport->theta -= two_pi; } while (viewport->theta < 0.0) { viewport->theta += two_pi; } while (viewport->phi > pi) { viewport->phi -= two_pi; } while (viewport->phi <= -pi) { viewport->phi += two_pi; } while (viewport->axestheta >= two_pi) { viewport->axestheta -= two_pi; } while (viewport->axestheta < 0.0) { viewport->axestheta += two_pi; } while (viewport->axesphi > pi) { viewport->axesphi -= two_pi; } while (viewport->axesphi <= -pi) { viewport->axesphi += two_pi; } /* Initialize the rotation matrix about the origin. */ sinTheta = sin(-viewport->theta); cosTheta = cos(-viewport->theta); sinPhi = sin(viewport->phi); cosPhi = cos(viewport->phi); ROTATE(R); /* angles theta and phi are global */ /* Initialize the rotation matrix about the object's center of volume. */ sinTheta = sin(-viewport->thetaObj); cosTheta = cos(-viewport->thetaObj); sinPhi = sin(viewport->phiObj); cosPhi = cos(viewport->phiObj); ROTATE1(R1); /* angles theta and phi are global */ /* Initialize the non-uniform scaling matrix. */ SCALE(viewport->scaleX,viewport->scaleY,viewport->scaleZ,S); /* Initialize the translation matrix. */ TRANSLATE(-viewport->deltaX,-viewport->deltaY,0.0,T); /**** make the windows for the viewport ****/ spadbits = XCreateBitmapFromData(dsply,rtWindow, spadBitmap_bits, spadBitmap_width,spadBitmap_height); spadmask = XCreateBitmapFromData(dsply,rtWindow, spadMask_bits, spadMask_width,spadMask_height); viewAttrib.background_pixel = backgroundColor; viewAttrib.border_pixel = foregroundColor; viewAttrib.override_redirect = overrideManager; viewAttrib.colormap = colorMap; foreColor.pixel = foregroundColor; backColor.pixel = backgroundColor; /* foreColor.pixel = viewCursorForeground; backColor.pixel = viewCursorBackground; */ XQueryColor(dsply,colorMap,&foreColor); XQueryColor(dsply,colorMap,&backColor); viewAttrib.cursor = XCreatePixmapCursor(dsply,spadbits,spadmask, &foreColor,&backColor,spadBitmap_x_hot,spadBitmap_y_hot); viewAttrib.event_mask = titleMASK; if (viewData.vW) { titleSizeHints.flags = PPosition | PSize; titleSizeHints.x = viewData.vX; titleSizeHints.y = viewData.vY; titleSizeHints.width = viewData.vW; titleSizeHints.height = viewData.vH; } else { /* ain't gonna allow this for now... */ titleSizeHints.flags = PSize; titleSizeHints.width = viewWidth; titleSizeHints.height = viewHeight; } viewTitleWindow = XCreateWindow(dsply,rtWindow,viewData.vX,viewData.vY, viewData.vW,viewData.vH,viewBorderWidth+3, CopyFromParent,InputOutput,CopyFromParent, viewportTitleCreateMASK,&viewAttrib); wm_delete_window = XInternAtom(dsply, "WM_DELETE_WINDOW", False); (void) XSetWMProtocols(dsply, viewTitleWindow, &wm_delete_window, 1); XSetNormalHints(dsply,viewTitleWindow,&titleSizeHints); if (strlen(viewport->title) < 30) XSetStandardProperties(dsply,viewTitleWindow,"OpenAxiom 3D",viewport->title, None,NULL,0,&titleSizeHints); else XSetStandardProperties(dsply,viewTitleWindow,"OpenAxiom 3D","3D OpenAxiom Graph", None,NULL,0,&titleSizeHints); viewport->titleWindow = viewTitleWindow; viewAttrib.event_mask = viewportMASK; viewSizeHints.flags = PPosition | PSize; viewSizeHints.x = -(viewBorderWidth+3); viewSizeHints.y = titleHeight; viewSizeHints.width = titleSizeHints.width; viewSizeHints.height = titleSizeHints.height-(titleHeight+appendixHeight); viewGraphWindow = XCreateWindow(dsply,viewTitleWindow, viewSizeHints.x,viewSizeHints.y, viewSizeHints.width,viewSizeHints.height, viewBorderWidth+3, CopyFromParent,InputOutput,CopyFromParent, viewportCreateMASK,&viewAttrib); XSetNormalHints(dsply,viewGraphWindow,&viewSizeHints); XSetStandardProperties(dsply,viewGraphWindow,"","",None,NULL,0, &viewSizeHints); viewport->viewWindow = viewGraphWindow; graphWindowAttrib.width = viewSizeHints.width; graphWindowAttrib.height = viewSizeHints.height; if (viewport->hueOffset != viewport->hueTop) { multiColorFlag = yes; redoColor = no; } else { if (viewport->hueTop < 11) smoothHue = viewport->hueTop*6; else { if (viewport->hueTop > 10 && viewport->hueTop < 16) smoothHue = viewport->hueTop*20 - 140; else smoothHue = viewport->hueTop*12 - 12; } redoColor = yes; } } /* main() */