xref: /aosp_15_r20/external/skia/src/pathops/SkReduceOrder.h (revision c8dee2aa9b3f27cf6c858bd81872bdeb2c07ed17)
1*c8dee2aaSAndroid Build Coastguard Worker /*
2*c8dee2aaSAndroid Build Coastguard Worker  * Copyright 2012 Google Inc.
3*c8dee2aaSAndroid Build Coastguard Worker  *
4*c8dee2aaSAndroid Build Coastguard Worker  * Use of this source code is governed by a BSD-style license that can be
5*c8dee2aaSAndroid Build Coastguard Worker  * found in the LICENSE file.
6*c8dee2aaSAndroid Build Coastguard Worker  */
7*c8dee2aaSAndroid Build Coastguard Worker #ifndef SkReduceOrder_DEFINED
8*c8dee2aaSAndroid Build Coastguard Worker #define SkReduceOrder_DEFINED
9*c8dee2aaSAndroid Build Coastguard Worker 
10*c8dee2aaSAndroid Build Coastguard Worker #include "include/core/SkPath.h"
11*c8dee2aaSAndroid Build Coastguard Worker #include "src/pathops/SkPathOpsCubic.h"
12*c8dee2aaSAndroid Build Coastguard Worker #include "src/pathops/SkPathOpsLine.h"
13*c8dee2aaSAndroid Build Coastguard Worker #include "src/pathops/SkPathOpsQuad.h"
14*c8dee2aaSAndroid Build Coastguard Worker 
15*c8dee2aaSAndroid Build Coastguard Worker struct SkConic;
16*c8dee2aaSAndroid Build Coastguard Worker struct SkPoint;
17*c8dee2aaSAndroid Build Coastguard Worker 
18*c8dee2aaSAndroid Build Coastguard Worker union SkReduceOrder {
19*c8dee2aaSAndroid Build Coastguard Worker     enum Quadratics {
20*c8dee2aaSAndroid Build Coastguard Worker         kNo_Quadratics,
21*c8dee2aaSAndroid Build Coastguard Worker         kAllow_Quadratics
22*c8dee2aaSAndroid Build Coastguard Worker     };
23*c8dee2aaSAndroid Build Coastguard Worker 
24*c8dee2aaSAndroid Build Coastguard Worker     int reduce(const SkDCubic& cubic, Quadratics);
25*c8dee2aaSAndroid Build Coastguard Worker     int reduce(const SkDLine& line);
26*c8dee2aaSAndroid Build Coastguard Worker     int reduce(const SkDQuad& quad);
27*c8dee2aaSAndroid Build Coastguard Worker 
28*c8dee2aaSAndroid Build Coastguard Worker     static SkPath::Verb Conic(const SkConic& conic, SkPoint* reducePts);
29*c8dee2aaSAndroid Build Coastguard Worker     static SkPath::Verb Cubic(const SkPoint pts[4], SkPoint* reducePts);
30*c8dee2aaSAndroid Build Coastguard Worker     static SkPath::Verb Quad(const SkPoint pts[3], SkPoint* reducePts);
31*c8dee2aaSAndroid Build Coastguard Worker 
32*c8dee2aaSAndroid Build Coastguard Worker     SkDLine fLine;
33*c8dee2aaSAndroid Build Coastguard Worker     SkDQuad fQuad;
34*c8dee2aaSAndroid Build Coastguard Worker     SkDCubic fCubic;
35*c8dee2aaSAndroid Build Coastguard Worker };
36*c8dee2aaSAndroid Build Coastguard Worker 
37*c8dee2aaSAndroid Build Coastguard Worker #endif
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