java2d/loops/ProcessPath.c

451  * (x1, y1), (x2, y2) -  fixed point coordinates of the endpoints
473 void  ProcessFixedLine(ProcessHandler* hnd,jint x1,jint y1,jint x2,jint y2,
478     jint c = ((x1 ^ x2) | (y1 ^ y2));
491     if (x1 == x2 || y1 == y2) {
495         ry2 = y2 + MDP_HALF_MULT;
499         jint dy = y2 - y1;
501         /* Floor of x1, y1, x2, y2 */
505         jint fy2 = y2 & MDP_W_MASK;
515             /* Boundary at the direction from (x1,y1) to (x2,y2) */
517             jint by1 = (y1 < y2) ? fy1 + MDP_MULT : fy1;
533         if (fx2 == x2 || fy2 == y2) {
538             ry2 = y2 + MDP_HALF_MULT;
540             /* Boundary at the direction from (x2,y2) to (x1,y1) */
542             jint by2 = (y1 > y2) ? fy2 + MDP_MULT : fy2;
545             jint cross = y2 + ((bx2 - x2)*dy)/dx;
551                 cross = x2 + ((by2 - y2)*dx)/dy;
603     jint y2 = y0;
637         y1 = y2;
640         y2 = y0w + (py >> shift);
653         /* Bounding y2 by ye */
654         if (((ye-y2)^dy) < 0) {
655             y2 = ye;
658         hnd->pProcessFixedLine(hnd, x1, y1, x2, y2, pixelInfo, checkBounds,
667     hnd->pProcessFixedLine(hnd, x2, y2, xe, ye, pixelInfo, checkBounds,
1048     jint y2 = y0;
1124             y1 = y2;
1127             y2 = y0w + (py >> shift);
1140             /* Bounding y2 by ye */
1141             if (((ye-y2)^dy) < 0) {
1142                 y2 = ye;
1145             hnd->pProcessFixedLine(hnd, x1, y1, x2, y2, pixelInfo, checkBounds,
1148             hnd->pProcessFixedLine(hnd, x2, y2, xe, ye, pixelInfo, checkBounds,
1375     jfloat y2 = coord2[1];
1385     TESTANDCLIP(yMin, yMax, y1, x1, y2, x2, jfloat, res);
1388     TESTANDCLIP(yMin, yMax, y2, x2, y1, x1, jfloat, res);
1395                     x1, y1, x2, y2, jfloat, res);
1399                     x2, y2, x1, y1, jfloat, res);
1406         Y2 = (jint)(y2*MDP_MULT);
1423         CLIPCLAMP(xMin, xMax, x1, y1, x2, y2, x3, y3, jfloat, res);
1440         CLIPCLAMP(xMin, xMax, x2, y2, x1, y1, x3, y3, jfloat, res);
1446         Y2 = (jint)(y2*MDP_MULT);
2094 void  StoreFixedLine(ProcessHandler* hnd,jint x1,jint y1,jint x2,jint y2,
2118         TESTANDCLIP(outYMin, outYMax, y1, x1, y2, x2, jint, res);
2120         TESTANDCLIP(outYMin, outYMax, y2, x2, y1, x1, jint, res);
2125         CLIPCLAMP(outXMin, outXMax, x1, y1, x2, y2, x3, y3, jint, res);
2137         CLIPCLAMP(outXMin, outXMax, x2, y2, x1, y1, x3, y3, jint, res);
2142         StoreFixedLine(hnd, x1, y1, x2, y2, pixelInfo,
2147             StoreFixedLine(hnd, x2, y2, x3, y3, pixelInfo,
2162     FD_ADD_POINT(pfd, x2, y2, JNI_FALSE);