Line data    Source code

       1             : /*
       2             :  * Copyright 2012 Google Inc.
       3             :  *
       4             :  * Use of this source code is governed by a BSD-style license that can be
       5             :  * found in the LICENSE file.
       6             :  */
       7             : #include "SkPathOpsConic.h"
       8             : #include "SkPathOpsCubic.h"
       9             : #include "SkPathOpsLine.h"
      10             : #include "SkPathOpsQuad.h"
      11             : #include "SkPathOpsRect.h"
      12             : 
      13           0 : void SkDRect::setBounds(const SkDQuad& curve, const SkDQuad& sub, double startT, double endT) {
      14           0 :     set(sub[0]);
      15           0 :     add(sub[2]);
      16             :     double tValues[2];
      17           0 :     int roots = 0;
      18           0 :     if (!sub.monotonicInX()) {
      19           0 :         roots = SkDQuad::FindExtrema(&sub[0].fX, tValues);
      20             :     }
      21           0 :     if (!sub.monotonicInY()) {
      22           0 :         roots += SkDQuad::FindExtrema(&sub[0].fY, &tValues[roots]);
      23             :     }
      24           0 :     for (int index = 0; index < roots; ++index) {
      25           0 :         double t = startT + (endT - startT) * tValues[index];
      26           0 :         add(curve.ptAtT(t));
      27             :     }
      28           0 : }
      29             : 
      30           0 : void SkDRect::setBounds(const SkDConic& curve, const SkDConic& sub, double startT, double endT) {
      31           0 :     set(sub[0]);
      32           0 :     add(sub[2]);
      33             :     double tValues[2];
      34           0 :     int roots = 0;
      35           0 :     if (!sub.monotonicInX()) {
      36           0 :         roots = SkDConic::FindExtrema(&sub[0].fX, sub.fWeight, tValues);
      37             :     }
      38           0 :     if (!sub.monotonicInY()) {
      39           0 :         roots += SkDConic::FindExtrema(&sub[0].fY, sub.fWeight, &tValues[roots]);
      40             :     }
      41           0 :     for (int index = 0; index < roots; ++index) {
      42           0 :         double t = startT + (endT - startT) * tValues[index];
      43           0 :         add(curve.ptAtT(t));
      44             :     }
      45           0 : }
      46             : 
      47           0 : void SkDRect::setBounds(const SkDCubic& curve, const SkDCubic& sub, double startT, double endT) {
      48           0 :     set(sub[0]);
      49           0 :     add(sub[3]);
      50             :     double tValues[4];
      51           0 :     int roots = 0;
      52           0 :     if (!sub.monotonicInX()) {
      53           0 :         roots = SkDCubic::FindExtrema(&sub[0].fX, tValues);
      54             :     }
      55           0 :     if (!sub.monotonicInY()) {
      56           0 :         roots += SkDCubic::FindExtrema(&sub[0].fY, &tValues[roots]);
      57             :     }
      58           0 :     for (int index = 0; index < roots; ++index) {
      59           0 :         double t = startT + (endT - startT) * tValues[index];
      60           0 :         add(curve.ptAtT(t));
      61             :     }
      62           0 : }