59     info->dx = arc->width & 1;  in miFillArcSetup()
60     info->xorg = arc->x + (arc->width >> 1) + info->dx;  in miFillArcSetup()
61     info->dx = 1 - info->dx;  in miFillArcSetup()
68         if (!info->dx) {  in miFillArcSetup()
87         if (!info->dx) {  in miFillArcSetup()
108     info->dx = arc->width & 1;  in miFillArcDSetup()
109     info->xorg = arc->x + (arc->width >> 1) + info->dx;  in miFillArcDSetup()
110     info->dx = 1 - info->dx;  in miFillArcDSetup()
116     if (!info->dx) {  in miFillArcDSetup()
141     xady = k + y * edge->dx;  in miGetArcEdge()
147     if ((top && (edge->dx < 0)) || (!top && (edge->dx > 0)))  in miGetArcEdge()
152     if (edge->dx > 0) {  in miGetArcEdge()
154         edge->stepx = edge->dx / edge->dy;  in miGetArcEdge()
155         edge->dx = edge->dx % edge->dy;  in miGetArcEdge()
159         edge->stepx = -((-edge->dx) / edge->dy);  in miGetArcEdge()
160         edge->dx = (-edge->dx) % edge->dy;  in miGetArcEdge()
172     int dx, dy;  in miEllipseAngleToSlope()  local
229         dx = floor((d_dx * 32768) / scale + 0.5);  in miEllipseAngleToSlope()
231             dx = -dx;  in miEllipseAngleToSlope()
232         *dxp = dx;  in miEllipseAngleToSlope()
245     int dx, dy;  in miGetPieEdge()  local
247     miEllipseAngleToSlope(angle, arc->width, arc->height, &dx, &dy, 0, 0);  in miGetPieEdge()
253         edge->dx = -1;  in miGetPieEdge()
256     if (dx == 0) {  in miGetPieEdge()
264         edge->dx = -1;  in miGetPieEdge()
268         dx = -dx;  in miGetPieEdge()
271     k = (arc->height & 1) ? dx : 0;  in miGetPieEdge()
274     edge->dx = dx << 1;  in miGetPieEdge()
342         double w2, h2, x1, y1, x2, y2, dx, dy, scale;  in miFillArcSliceSetup()  local
374         dx = x2 - x1;  in miFillArcSliceSetup()
390         if (dx < 0.0) {  in miFillArcSliceSetup()
391             dx = -dx;  in miFillArcSliceSetup()
397             slice->edge1.dx = dx * 2;  in miFillArcSliceSetup()
401             scale = (dx > dy) ? dx : dy;  in miFillArcSliceSetup()
402             slice->edge1.dx = floor((dx * 32768) / scale + .5);  in miFillArcSliceSetup()
429             slice->edge1.dx = -1;  in miFillArcSliceSetup()
433         else if (!slice->edge1.dx) {  in miFillArcSliceSetup()
441             slice->edge1.dx = -1;  in miFillArcSliceSetup()
447                 slice->edge1.dx = -slice->edge1.dx;  in miFillArcSliceSetup()
449                 slice->edge1.dx = -slice->edge1.dx;  in miFillArcSliceSetup()
451                       (y1 + y2) * slice->edge1.dx) / 2.0);  in miFillArcSliceSetup()
452             slice->edge2.dx = slice->edge1.dx;  in miFillArcSliceSetup()
482     int yk, xk, ym, xm, dx, dy, xorg, yorg;  in miFillEllipseI()  local
507     int xorg, yorg, dx, dy, slw;  in miFillEllipseD()  local
553     int yk, xk, ym, xm, dx, dy, xorg, yorg, slw;  in miFillArcSliceI()  local
597     int dx, dy, xorg, yorg, slw;  in miFillArcSliceD()  local