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