Lines Matching refs:dx
1042 int dx, dy, incr1, incr2, d, x, y, xend, yend, xdirflag, ydirflag; in gdImageLine() local
1062 dx = abs (x2 - x1); in gdImageLine()
1065 if (dx == 0) { in gdImageLine()
1073 if (dy <= dx) { in gdImageLine()
1076 if ((dx == 0) && (dy == 0)) { in gdImageLine()
1081 double ac = cos (atan2 (dy, dx)); in gdImageLine()
1091 d = 2 * dy - dx; in gdImageLine()
1093 incr2 = 2 * (dy - dx); in gdImageLine()
1145 double as = sin (atan2 (dy, dx)); in gdImageLine()
1155 d = 2 * dx - dy; in gdImageLine()
1156 incr1 = 2 * dx; in gdImageLine()
1157 incr2 = 2 * (dx - dy); in gdImageLine()
1240 long dx, dy,tmp; in gdImageAALine() local
1253 dx = x2 - x1; in gdImageAALine()
1256 if (dx == 0 && dy == 0) { in gdImageAALine()
1259 if (abs(dx) > abs(dy)) { in gdImageAALine()
1260 if (dx < 0) { in gdImageAALine()
1267 dx = x2 - x1; in gdImageAALine()
1271 inc = (dy * 65536) / dx; in gdImageAALine()
1295 dx = x2 - x1; in gdImageAALine()
1299 inc = (dx * 65536) / dy; in gdImageAALine()
1322 int dx, dy, incr1, incr2, d, x, y, xend, yend, xdirflag, ydirflag; in gdImageDashedLine() local
1329 dx = abs(x2 - x1); in gdImageDashedLine()
1331 if (dy <= dx) { in gdImageDashedLine()
1335 double as = sin(atan2(dy, dx)); in gdImageDashedLine()
1343 d = 2 * dy - dx; in gdImageDashedLine()
1345 incr2 = 2 * (dy - dx); in gdImageDashedLine()
1384 double as = sin (atan2 (dy, dx)); in gdImageDashedLine()
1392 d = 2 * dx - dy; in gdImageDashedLine()
1393 incr1 = 2 * dx; in gdImageDashedLine()
1394 incr2 = 2 * (dx - dy); in gdImageDashedLine()
1718 long aq,bq,dx,dy,r,rx,ry,a,b; in gdImageEllipse() local
1729 dx = aq << 1; in gdImageEllipse()
1738 ry +=dx; in gdImageEllipse()
1757 long aq,bq,dx,dy,r,rx,ry,a,b; in gdImageFilledEllipse() local
1773 dx = aq << 1; in gdImageFilledEllipse()
1783 ry +=dx; in gdImageFilledEllipse()
