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- /*****************************************************************************
- Copyright 1988, 1989 by Digital Equipment Corporation, Maynard, Massachusetts.
-
- All Rights Reserved
-
- Permission to use, copy, modify, and distribute this software and its
- documentation for any purpose and without fee is hereby granted,
- provided that the above copyright notice appear in all copies and that
- both that copyright notice and this permission notice appear in
- supporting documentation, and that the name of Digital not be
- used in advertising or publicity pertaining to distribution of the
- software without specific, written prior permission.
-
- DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
- ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
- DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
- ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
- WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
- ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
- SOFTWARE.
-
- ******************************************************************************/
-
- #include "x11perf.h"
-
- static XArc *arcs;
- static GC pgc;
-
- #define DegreesToX(degrees) (degrees * 64)
-
- static void GenerateCircles(xp, p, partialArcs)
- XParms xp;
- Parms p;
- Bool partialArcs;
- {
- int i;
- int rows; /* Number of rows filled in current column */
- int x, y; /* base of square to draw the circle in */
- int xorg, yorg; /* Used to get from column to column or row to row */
- int size;
- int half;
- int startAngle, arcAngle;
-
- pgc = xp->fggc;
-
- size = p->special;
- half = (size + 19) / 20;
- arcs = (XArc *)malloc((p->objects) * sizeof(XArc));
- x = xorg = half; y = yorg = half;
- rows = 0;
- startAngle = DegreesToX(0);
- arcAngle = DegreesToX(360);
-
- for (i = 0; i != p->objects; i++) {
- arcs[i].x = x;
- arcs[i].y = y;
- arcs[i].width = size;
- arcs[i].height = size;
- arcs[i].angle1 = startAngle;
- arcs[i].angle2 = arcAngle;
-
- if (partialArcs) {
- startAngle += DegreesToX(30);
- if (startAngle >= DegreesToX(360)) startAngle -= DegreesToX(360);
- arcAngle -= DegreesToX(20);
- if (arcAngle <= DegreesToX(0)) arcAngle += DegreesToX(360);
- }
-
- y += size + 1;
- rows++;
- if (y >= HEIGHT - size - half || rows == MAXROWS) {
- /* Go to next column */
- rows = 0;
- x += size + 1;
- if (x >= WIDTH - size) {
- yorg++;
- if (yorg >= size + half || yorg >= HEIGHT - size - half) {
- yorg = half;
- xorg++;
- if (xorg >= size + half || xorg >= WIDTH - size - half) {
- xorg = half;
- }
- }
- x = xorg;
- }
- y = yorg;
- }
- }
- }
-
- int InitCircles(xp, p, reps)
- XParms xp;
- Parms p;
- int reps;
- {
- GenerateCircles(xp, p, False);
- return reps;
- }
-
- int InitPartCircles(xp, p, reps)
- XParms xp;
- Parms p;
- int reps;
- {
- GenerateCircles(xp, p, True);
- return reps;
- }
-
-
- int InitChordPartCircles(xp, p, reps)
- XParms xp;
- Parms p;
- int reps;
- {
- GenerateCircles(xp, p, True);
- XSetArcMode(xp->d, xp->bggc, ArcChord);
- XSetArcMode(xp->d, xp->fggc, ArcChord);
- return reps;
- }
-
-
- int InitSlicePartCircles(xp, p, reps)
- XParms xp;
- Parms p;
- int reps;
- {
- GenerateCircles(xp, p, True);
- XSetArcMode(xp->d, xp->bggc, ArcPieSlice);
- XSetArcMode(xp->d, xp->fggc, ArcPieSlice);
- return reps;
- }
-
- static void
- GenerateWideCircles (xp, p, partialArcs)
- XParms xp;
- Parms p;
- Bool partialArcs;
- {
- int size;
-
- GenerateCircles(xp, p, partialArcs);
-
- size = p->special;
- XSetLineAttributes(xp->d, xp->bggc, (int) ((size + 9) / 10),
- LineSolid, CapRound, JoinRound);
- XSetLineAttributes(xp->d, xp->fggc, (int) ((size + 9) / 10),
- LineSolid, CapRound, JoinRound);
- }
-
- int InitWideCircles(xp, p, reps)
- XParms xp;
- Parms p;
- int reps;
- {
- GenerateWideCircles (xp, p, False);
- return reps;
- }
-
- int InitPartWideCircles(xp, p, reps)
- XParms xp;
- Parms p;
- int reps;
- {
- GenerateWideCircles (xp, p, True);
- return reps;
- }
-
- int InitDashedCircles(xp, p, reps)
- XParms xp;
- Parms p;
- int reps;
- {
- char dashes[2];
-
- (void)InitCircles(xp, p, reps);
-
- /* Modify GCs to draw dashed */
- XSetLineAttributes(xp->d, xp->bggc, 0, LineOnOffDash, CapButt, JoinMiter);
- XSetLineAttributes(xp->d, xp->fggc, 0, LineOnOffDash, CapButt, JoinMiter);
- dashes[0] = 3; dashes[1] = 2;
- XSetDashes(xp->d, xp->fggc, 0, dashes, 2);
- XSetDashes(xp->d, xp->bggc, 0, dashes, 2);
- return reps;
- }
-
- int InitWideDashedCircles(xp, p, reps)
- XParms xp;
- Parms p;
- int reps;
- {
- int size;
- XGCValues gcv;
- char dashes[2];
-
- (void)InitWideCircles(xp, p, reps);
- size = p->special;
- size = (size + 9) / 10;
-
- /* Modify GCs to draw dashed */
- dashes[0] = 2*size; dashes[1] = 2*size;
- gcv.line_style = LineOnOffDash;
- XChangeGC(xp->d, xp->fggc, GCLineStyle, &gcv);
- XChangeGC(xp->d, xp->bggc, GCLineStyle, &gcv);
- XSetDashes(xp->d, xp->fggc, 0, dashes, 2);
- XSetDashes(xp->d, xp->bggc, 0, dashes, 2);
- return reps;
- }
-
- int InitDoubleDashedCircles(xp, p, reps)
- XParms xp;
- Parms p;
- int reps;
- {
- char dashes[2];
-
- (void)InitCircles(xp, p, reps);
-
- /* Modify GCs to draw dashed */
- XSetLineAttributes(xp->d, xp->bggc, 0, LineDoubleDash, CapButt, JoinMiter);
- XSetLineAttributes(xp->d, xp->fggc, 0, LineDoubleDash, CapButt, JoinMiter);
- dashes[0] = 3; dashes[1] = 2;
- XSetDashes(xp->d, xp->fggc, 0, dashes, 2);
- XSetDashes(xp->d, xp->bggc, 0, dashes, 2);
- return reps;
- }
-
- int InitWideDoubleDashedCircles(xp, p, reps)
- XParms xp;
- Parms p;
- int reps;
- {
- int size;
- XGCValues gcv;
- char dashes[2];
-
- (void)InitWideCircles(xp, p, reps);
- size = p->special;
- size = (size + 9) / 10;
-
- /* Modify GCs to draw dashed */
- dashes[0] = 2*size; dashes[1] = 2*size;
- gcv.line_style = LineDoubleDash;
- XChangeGC(xp->d, xp->fggc, GCLineStyle, &gcv);
- XChangeGC(xp->d, xp->bggc, GCLineStyle, &gcv);
- XSetDashes(xp->d, xp->fggc, 0, dashes, 2);
- XSetDashes(xp->d, xp->bggc, 0, dashes, 2);
- return reps;
- }
-
- static void GenerateEllipses(xp, p, partialArcs)
- XParms xp;
- Parms p;
- int partialArcs;
- {
- int size;
- int half;
- int rows; /* Number of rows filled in current column */
- int i;
- int x, y; /* base of square to draw ellipse in */
- int vsize, vsizeinc;
- int dir;
- int startAngle, arcAngle;
-
- pgc = xp->fggc;
-
- size = p->special;
- half = (size + 19) / 20;
- arcs = (XArc *)malloc((p->objects) * sizeof(XArc));
- vsize = 1;
- vsizeinc = (size - 1) / (p->objects - 1);
- if (vsizeinc == 0) vsizeinc = 1;
-
- x = half; y = half;
- dir = 0;
- rows = 0;
- startAngle = DegreesToX(0);
- arcAngle = DegreesToX(360);
-
- for (i = 0; i != p->objects; i++) {
- arcs[i].x = x;
- arcs[i].y = y;
- if ((i & 1) ^ dir) {
- /* Make vertical axis longer */
- arcs[i].width = vsize;
- arcs[i].height = size;
- } else {
- /* Make horizontal axis longer */
- arcs[i].width = size;
- arcs[i].height = vsize;
- }
- arcs[i].angle1 = startAngle;
- arcs[i].angle2 = arcAngle;
-
- if (partialArcs) {
- startAngle += DegreesToX(30);
- if (startAngle >= DegreesToX(360)) startAngle -= DegreesToX(360);
- arcAngle -= DegreesToX(20);
- if (arcAngle <= DegreesToX(0)) arcAngle += DegreesToX(360);
- }
-
- y += size + 1;
- rows++;
- if (y >= HEIGHT - size - half || rows == MAXROWS) {
- /* Go to next column */
- rows = 0;
- y = half;
- x += size + 1;
- if (x >= WIDTH - size - half) {
- x = half;
- }
- }
-
- vsize += vsizeinc;
- if (vsize > size) {
- vsize -= size;
- dir = 1 - dir;
- }
- }
- }
-
- int InitEllipses(xp, p, reps)
- XParms xp;
- Parms p;
- int reps;
- {
- GenerateEllipses(xp, p, False);
- return reps;
- }
-
-
- int InitPartEllipses(xp, p, reps)
- XParms xp;
- Parms p;
- int reps;
- {
- GenerateEllipses(xp, p, True);
- return reps;
- }
-
-
- int InitChordPartEllipses(xp, p, reps)
- XParms xp;
- Parms p;
- int reps;
- {
- GenerateEllipses(xp, p, True);
- XSetArcMode(xp->d, xp->bggc, ArcChord);
- XSetArcMode(xp->d, xp->fggc, ArcChord);
- return reps;
- }
-
-
- int InitSlicePartEllipses(xp, p, reps)
- XParms xp;
- Parms p;
- int reps;
- {
- GenerateEllipses(xp, p, True);
- XSetArcMode(xp->d, xp->bggc, ArcPieSlice);
- XSetArcMode(xp->d, xp->fggc, ArcPieSlice);
- return reps;
- }
-
-
- static void
- GenerateWideEllipses (xp, p, partialArcs)
- XParms xp;
- Parms p;
- Bool partialArcs;
- {
- int size;
-
- GenerateEllipses (xp, p, partialArcs);
- size = p->special;
- XSetLineAttributes(xp->d, xp->bggc, (int) ((size + 9) / 10),
- LineSolid, CapRound, JoinRound);
- XSetLineAttributes(xp->d, xp->fggc, (int) ((size + 9) / 10),
- LineSolid, CapRound, JoinRound);
-
- }
-
- int InitWideEllipses(xp, p, reps)
- XParms xp;
- Parms p;
- int reps;
- {
- GenerateWideEllipses(xp, p, False);
- return reps;
- }
-
- int InitPartWideEllipses(xp, p, reps)
- XParms xp;
- Parms p;
- int reps;
- {
- GenerateWideEllipses(xp, p, True);
- return reps;
- }
-
- int InitDashedEllipses(xp, p, reps)
- XParms xp;
- Parms p;
- int reps;
- {
- char dashes[2];
-
- (void)InitEllipses(xp, p, reps);
-
- /* Modify GCs to draw dashed */
- XSetLineAttributes(xp->d, xp->bggc, 0, LineOnOffDash, CapButt, JoinMiter);
- XSetLineAttributes(xp->d, xp->fggc, 0, LineOnOffDash, CapButt, JoinMiter);
- dashes[0] = 3; dashes[1] = 2;
- XSetDashes(xp->d, xp->fggc, 0, dashes, 2);
- XSetDashes(xp->d, xp->bggc, 0, dashes, 2);
- return reps;
- }
-
- int InitWideDashedEllipses(xp, p, reps)
- XParms xp;
- Parms p;
- int reps;
- {
- int size;
- XGCValues gcv;
- char dashes[2];
-
- (void)InitWideEllipses(xp, p, reps);
- size = p->special;
- size = (size + 9) / 10;
-
- /* Modify GCs to draw dashed */
- dashes[0] = 2*size; dashes[1] = 2*size;
- gcv.line_style = LineOnOffDash;
- XChangeGC(xp->d, xp->fggc, GCLineStyle, &gcv);
- XChangeGC(xp->d, xp->bggc, GCLineStyle, &gcv);
- XSetDashes(xp->d, xp->fggc, 0, dashes, 2);
- XSetDashes(xp->d, xp->bggc, 0, dashes, 2);
- return reps;
- }
-
- int InitDoubleDashedEllipses(xp, p, reps)
- XParms xp;
- Parms p;
- int reps;
- {
- char dashes[2];
-
- (void)InitEllipses(xp, p, reps);
-
- /* Modify GCs to draw dashed */
- XSetLineAttributes(xp->d, xp->bggc, 0, LineDoubleDash, CapButt, JoinMiter);
- XSetLineAttributes(xp->d, xp->fggc, 0, LineDoubleDash, CapButt, JoinMiter);
- dashes[0] = 3; dashes[1] = 2;
- XSetDashes(xp->d, xp->fggc, 0, dashes, 2);
- XSetDashes(xp->d, xp->bggc, 0, dashes, 2);
- return reps;
- }
-
- int InitWideDoubleDashedEllipses(xp, p, reps)
- XParms xp;
- Parms p;
- int reps;
- {
- int size;
- XGCValues gcv;
- char dashes[2];
-
- (void)InitWideEllipses(xp, p, reps);
- size = p->special;
- size = (size + 9) / 10;
-
- /* Modify GCs to draw dashed */
- dashes[0] = 2*size; dashes[1] = 2*size;
- gcv.line_style = LineDoubleDash;
- XChangeGC(xp->d, xp->fggc, GCLineStyle, &gcv);
- XChangeGC(xp->d, xp->bggc, GCLineStyle, &gcv);
- XSetDashes(xp->d, xp->fggc, 0, dashes, 2);
- XSetDashes(xp->d, xp->bggc, 0, dashes, 2);
- return reps;
- }
-
- void DoArcs(xp, p, reps)
- XParms xp;
- Parms p;
- int reps;
- {
- int i;
-
- for (i = 0; i != reps; i++) {
- XDrawArcs(xp->d, xp->w, pgc, arcs, p->objects);
- if (pgc == xp->bggc)
- pgc = xp->fggc;
- else
- pgc = xp->bggc;
- }
- }
-
- void DoFilledArcs(xp, p, reps)
- XParms xp;
- Parms p;
- int reps;
- {
- int i;
-
- for (i = 0; i != reps; i++) {
- XFillArcs(xp->d, xp->w, pgc, arcs, p->objects);
- if (pgc == xp->bggc)
- pgc = xp->fggc;
- else
- pgc = xp->bggc;
- }
- }
-
- void EndArcs(xp, p)
- XParms xp;
- Parms p;
- {
- free(arcs);
- }
-
-