Cross Reference: /external/freetype/src/raster/ftraster.c

Lines Matching refs:arc
343   /* States of each line, arc, and profile */
495     TPoint*     arc;                /* current Bezier arc pointer          */
508     Bool        joint;              /* signals that the last arc ended     */
592      * given y-monotonous Bezier arc that crosses a scanline before
942   /*    Subdivide a third-order Bezier arc into two joint sub-arcs in the  */
1174   /*    Compute the x-coordinates of an ascending Bezier arc and store     */
1178   /*    degree   :: The degree of the Bezier arc (either 2 or 3).          */
1198     TPoint*  arc;
1204     arc = ras.arc;
1205     y1  = arc[degree].y;
1206     y2  = arc[0].y;
1235         *top++ = arc[degree].x;
1257     start_arc = arc;
1263       y2 = arc[0].y;
1267         y1 = arc[degree].y;
1270           splitter( arc );
1271           arc += degree;
1275           *top++ = arc[degree].x + FMulDiv( arc[0].x - arc[degree].x,
1277           arc -= degree;
1286           *top++     = arc[0].x;
1290         arc -= degree;
1292     } while ( arc >= start_arc && e <= e2 );
1296     ras.arc -= degree;
1307   /*    Compute the x-coordinates of an descending Bezier arc and store    */
1311   /*    degree   :: The degree of the Bezier arc (either 2 or 3).          */
1328     TPoint*  arc = ras.arc;
1332     arc[0].y = -arc[0].y;
1333     arc[1].y = -arc[1].y;
1334     arc[2].y = -arc[2].y;
1336       arc[3].y = -arc[3].y;
1345     arc[0].y = -arc[0].y;
1450   /*    Inject a new conic arc and adjust the profile list.                */
1453   /*   cx :: The x-coordinate of the arc's new control point.              */
1455   /*   cy :: The y-coordinate of the arc's new control point.              */
1457   /*   x  :: The x-coordinate of the arc's end point (its start point is   */
1460   /*   y  :: The y-coordinate of the arc's end point (its start point is   */
1477     ras.arc      = ras.arcs;
1478     ras.arc[2].x = ras.lastX;
1479     ras.arc[2].y = ras.lastY;
1480     ras.arc[1].x = cx;
1481     ras.arc[1].y = cy;
1482     ras.arc[0].x = x;
1483     ras.arc[0].y = y;
1487       y1 = ras.arc[2].y;
1488       y2 = ras.arc[1].y;
1489       y3 = ras.arc[0].y;
1490       x3 = ras.arc[0].x;
1492       /* first, categorize the Bezier arc */
1507         /* this arc has no given direction, split it! */
1508         Split_Conic( ras.arc );
1509         ras.arc += 2;
1513         /* this arc is flat, ignore it and pop it from the Bezier stack */
1514         ras.arc -= 2;
1518         /* the arc is y-monotonous, either ascending or descending */
1549     } while ( ras.arc >= ras.arcs );
1567   /*    Inject a new cubic arc and adjust the profile list.                */
1570   /*   cx1 :: The x-coordinate of the arc's first new control point.       */
1572   /*   cy1 :: The y-coordinate of the arc's first new control point.       */
1574   /*   cx2 :: The x-coordinate of the arc's second new control point.      */
1576   /*   cy2 :: The y-coordinate of the arc's second new control point.      */
1578   /*   x   :: The x-coordinate of the arc's end point (its start point is  */
1581   /*   y   :: The y-coordinate of the arc's end point (its start point is  */
1600     ras.arc      = ras.arcs;
1601     ras.arc[3].x = ras.lastX;
1602     ras.arc[3].y = ras.lastY;
1603     ras.arc[2].x = cx1;
1604     ras.arc[2].y = cy1;
1605     ras.arc[1].x = cx2;
1606     ras.arc[1].y = cy2;
1607     ras.arc[0].x = x;
1608     ras.arc[0].y = y;
1612       y1 = ras.arc[3].y;
1613       y2 = ras.arc[2].y;
1614       y3 = ras.arc[1].y;
1615       y4 = ras.arc[0].y;
1616       x4 = ras.arc[0].x;
1618       /* first, categorize the Bezier arc */
1644         /* this arc has no given direction, split it! */
1645         Split_Cubic( ras.arc );
1646         ras.arc += 3;
1650         /* this arc is flat, ignore it and pop it from the Bezier stack */
1651         ras.arc -= 3;
1685     } while ( ras.arc >= ras.arcs );