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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 "SkPathOpsBounds.h"
8 #include "SkPathOpsCubic.h"
9 #include "SkPathOpsLine.h"
10 #include "SkPathOpsQuad.h"
11 
setCubicBounds(const SkPoint a[4])12 void SkPathOpsBounds::setCubicBounds(const SkPoint a[4]) {
13     SkDCubic cubic;
14     cubic.set(a);
15     SkDRect dRect;
16     dRect.setBounds(cubic);
17     set(SkDoubleToScalar(dRect.fLeft), SkDoubleToScalar(dRect.fTop),
18             SkDoubleToScalar(dRect.fRight), SkDoubleToScalar(dRect.fBottom));
19 }
20 
setLineBounds(const SkPoint a[2])21 void SkPathOpsBounds::setLineBounds(const SkPoint a[2]) {
22     setPointBounds(a[0]);
23     add(a[1]);
24 }
25 
setQuadBounds(const SkPoint a[3])26 void SkPathOpsBounds::setQuadBounds(const SkPoint a[3]) {
27     SkDQuad quad;
28     quad.set(a);
29     SkDRect dRect;
30     dRect.setBounds(quad);
31     set(SkDoubleToScalar(dRect.fLeft), SkDoubleToScalar(dRect.fTop),
32             SkDoubleToScalar(dRect.fRight), SkDoubleToScalar(dRect.fBottom));
33 }
34 
35 void (SkPathOpsBounds::*SetCurveBounds[])(const SkPoint[]) = {
36     NULL,
37     &SkPathOpsBounds::setLineBounds,
38     &SkPathOpsBounds::setQuadBounds,
39     &SkPathOpsBounds::setCubicBounds
40 };
41