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Side by Side Diff: src/pathops/SkPathOpsRect.cpp

Issue 1002693002: pathops version two (Closed) Base URL: https://skia.googlesource.com/skia.git@master
Patch Set: fix arm 64 inspired coincident handling Created 5 years, 9 months ago
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1 /* 1 /*
2 * Copyright 2012 Google Inc. 2 * Copyright 2012 Google Inc.
3 * 3 *
4 * Use of this source code is governed by a BSD-style license that can be 4 * Use of this source code is governed by a BSD-style license that can be
5 * found in the LICENSE file. 5 * found in the LICENSE file.
6 */ 6 */
7 #include "SkPathOpsCubic.h" 7 #include "SkPathOpsCubic.h"
8 #include "SkPathOpsLine.h" 8 #include "SkPathOpsLine.h"
9 #include "SkPathOpsQuad.h" 9 #include "SkPathOpsQuad.h"
10 #include "SkPathOpsRect.h" 10 #include "SkPathOpsRect.h"
11 11
12 void SkDRect::setBounds(const SkDLine& line) {
13 set(line[0]);
14 add(line[1]);
15 }
16
17 void SkDRect::setBounds(const SkDQuad& quad) { 12 void SkDRect::setBounds(const SkDQuad& quad) {
18 set(quad[0]); 13 set(quad[0]);
19 add(quad[2]); 14 add(quad[2]);
20 double tValues[2]; 15 double tValues[2];
21 int roots = 0; 16 int roots = 0;
22 if (!between(quad[0].fX, quad[1].fX, quad[2].fX)) { 17 if (!between(quad[0].fX, quad[1].fX, quad[2].fX)) {
23 roots = SkDQuad::FindExtrema(quad[0].fX, quad[1].fX, quad[2].fX, tValues ); 18 roots = SkDQuad::FindExtrema(quad[0].fX, quad[1].fX, quad[2].fX, tValues );
24 } 19 }
25 if (!between(quad[0].fY, quad[1].fY, quad[2].fY)) { 20 if (!between(quad[0].fY, quad[1].fY, quad[2].fY)) {
26 roots += SkDQuad::FindExtrema(quad[0].fY, quad[1].fY, quad[2].fY, &tValu es[roots]); 21 roots += SkDQuad::FindExtrema(quad[0].fY, quad[1].fY, quad[2].fY, &tValu es[roots]);
27 } 22 }
28 for (int x = 0; x < roots; ++x) { 23 for (int x = 0; x < roots; ++x) {
29 add(quad.ptAtT(tValues[x])); 24 add(quad.ptAtT(tValues[x]));
30 } 25 }
31 } 26 }
32 27
33 void SkDRect::setRawBounds(const SkDQuad& quad) {
34 set(quad[0]);
35 for (int x = 1; x < 3; ++x) {
36 add(quad[x]);
37 }
38 }
39
40 static bool is_bounded_by_end_points(double a, double b, double c, double d) { 28 static bool is_bounded_by_end_points(double a, double b, double c, double d) {
41 return between(a, b, d) && between(a, c, d); 29 return between(a, b, d) && between(a, c, d);
42 } 30 }
43 31
44 void SkDRect::setBounds(const SkDCubic& c) { 32 void SkDRect::setBounds(const SkDCubic& c) {
45 set(c[0]); 33 set(c[0]);
46 add(c[3]); 34 add(c[3]);
47 double tValues[4]; 35 double tValues[4];
48 int roots = 0; 36 int roots = 0;
49 if (!is_bounded_by_end_points(c[0].fX, c[1].fX, c[2].fX, c[3].fX)) { 37 if (!is_bounded_by_end_points(c[0].fX, c[1].fX, c[2].fX, c[3].fX)) {
50 roots = SkDCubic::FindExtrema(c[0].fX, c[1].fX, c[2].fX, c[3].fX, tValue s); 38 roots = SkDCubic::FindExtrema(c[0].fX, c[1].fX, c[2].fX, c[3].fX, tValue s);
51 } 39 }
52 if (!is_bounded_by_end_points(c[0].fY, c[1].fY, c[2].fY, c[3].fY)) { 40 if (!is_bounded_by_end_points(c[0].fY, c[1].fY, c[2].fY, c[3].fY)) {
53 roots += SkDCubic::FindExtrema(c[0].fY, c[1].fY, c[2].fY, c[3].fY, &tVal ues[roots]); 41 roots += SkDCubic::FindExtrema(c[0].fY, c[1].fY, c[2].fY, c[3].fY, &tVal ues[roots]);
54 } 42 }
55 for (int x = 0; x < roots; ++x) { 43 for (int x = 0; x < roots; ++x) {
56 add(c.ptAtT(tValues[x])); 44 add(c.ptAtT(tValues[x]));
57 } 45 }
58 } 46 }
59
60 void SkDRect::setRawBounds(const SkDCubic& cubic) {
61 set(cubic[0]);
62 for (int x = 1; x < 4; ++x) {
63 add(cubic[x]);
64 }
65 }
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