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/*
* Copyright 2012 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "PathOpsTestCommon.h"
#include "SkPathOpsBounds.h"
#include "SkPathOpsCubic.h"
#include "SkPathOpsLine.h"
#include "SkPathOpsQuad.h"
#include "SkPathOpsTriangle.h"
void CubicToQuads(const SkDCubic& cubic, double precision, SkTArray<SkDQuad, true>& quads) {
SkTArray<double, true> ts;
cubic.toQuadraticTs(precision, &ts);
if (ts.count() <= 0) {
SkDQuad quad = cubic.toQuad();
quads.push_back(quad);
return;
}
double tStart = 0;
for (int i1 = 0; i1 <= ts.count(); ++i1) {
const double tEnd = i1 < ts.count() ? ts[i1] : 1;
SkDCubic part = cubic.subDivide(tStart, tEnd);
SkDQuad quad = part.toQuad();
quads.push_back(quad);
tStart = tEnd;
}
}
static bool SkDoubleIsNaN(double x) {
return x != x;
}
bool ValidBounds(const SkPathOpsBounds& bounds) {
if (SkScalarIsNaN(bounds.fLeft)) {
return false;
}
if (SkScalarIsNaN(bounds.fTop)) {
return false;
}
if (SkScalarIsNaN(bounds.fRight)) {
return false;
}
return !SkScalarIsNaN(bounds.fBottom);
}
bool ValidCubic(const SkDCubic& cubic) {
for (int index = 0; index < 4; ++index) {
if (!ValidPoint(cubic[index])) {
return false;
}
}
return true;
}
bool ValidLine(const SkDLine& line) {
for (int index = 0; index < 2; ++index) {
if (!ValidPoint(line[index])) {
return false;
}
}
return true;
}
bool ValidPoint(const SkDPoint& pt) {
if (SkDoubleIsNaN(pt.fX)) {
return false;
}
return !SkDoubleIsNaN(pt.fY);
}
bool ValidPoints(const SkPoint* pts, int count) {
for (int index = 0; index < count; ++index) {
if (SkScalarIsNaN(pts[index].fX)) {
return false;
}
if (SkScalarIsNaN(pts[index].fY)) {
return false;
}
}
return true;
}
bool ValidQuad(const SkDQuad& quad) {
for (int index = 0; index < 3; ++index) {
if (!ValidPoint(quad[index])) {
return false;
}
}
return true;
}
bool ValidTriangle(const SkDTriangle& triangle) {
for (int index = 0; index < 3; ++index) {
if (!ValidPoint(triangle.fPts[index])) {
return false;
}
}
return true;
}
bool ValidVector(const SkDVector& v) {
if (SkDoubleIsNaN(v.fX)) {
return false;
}
return !SkDoubleIsNaN(v.fY);
}
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