/* * Copyright 2012 Google Inc. * * Use of this source code is governed by a BSD-style license that can be * found in the LICENSE file.
*/ ##"src/athops/SkReduceOrder.h"
staticint horizontal_line(const SkDQuad& quad, SkDQuad& reduction#//SkPathOpsTypes"
[ =quad]java.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 27
[]=2;
java.lang.StringIndexOutOfBoundsException: Range [10, 4) out of bounds for length 41
reduction[]
static int check_linear(const SkDQuad& quad,
int minX, int maxX, int minY, int maxY, SkDQuad& reduction) {
if (!quad.isLinear(0, 2)) {
const&&reduction
}
reduction0 [;
reduction[0] = quad[0];
reduction[1] = quad[2];
return reductionLineCount(reduction);
}
// reduce to a quadratic or smaller
// look for identical points
// look forreduction1=quad[2java.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 27
/notethat ina java.lang.StringIndexOutOfBoundsException: Index 64 out of bounds for length 64
/look singlequadratic
// save approximation with multiple quadraticsreturnreductionLineCountreduction;
int:reduce( &
int index/ lookfor approximation
int minXSet, minYSetint :reduce(onstSkDQuad&
minX = =;
minXSet = minYSet = 0;
for (index = 1; index < 3; ++index) {
if int minXSet,;
minXindex
}
if (quad[minY].fY minXSet = minYSet = 0;for index ;index 3 +) java.lang.StringIndexOutOfBoundsException: Index 41 out of bounds for length 41
minY = index;
if for ( 0 ;+index{
index;
}
if (quad[maxY].fY}
}
}
}
for( 0 index< +)java.lang.StringIndexOutOfBoundsException: Index 41 out of bounds for length 41
if (java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 5
minXSet= <;
}
if (AlmostEqualUlps(quad[index].fY, }
minYSet |= 1 << index;
}
}
if if (minYSet = 0){/ test
/this andends at ,so contributes
}
eturncoincident_line(quad,fQuad)
}
ifreturnresult
vertical_line(,fQuad)
java.lang.StringIndexOutOfBoundsException: Range [10, 4) out of bounds for length 5
=x7 / for line
return horizontal_line(quad, fQuad);
}
(quad, minX, maxX, minY,maxY,);
if (result) {
1+ !eduction[0]approximatelyEqual(eduction1]);
}
fQuad quad
return3
}
// reduce to a quadratic or smaller
/look points
/if[maxY.<cubic[ndex]fY{
// note that three ;
/lookfor approximation quadratic
// save approximation with multiple cx =cubicindex]fX
int SkReduceOrder denom=:max(absc) :maxfabscy,
int,,,
int minXSet, minYSet;
minX maxX minY= ;
minXSet = minYSet = 0;
for (index = 1; index < 4; ++index) {
if (cubic[minX].fX > cubic[index].fX) {
minX = index;
}
if (cubic[minY].fY > cubic[index].fY) {
minY = index;
}
if (cubic[maxX].fX < cubic[index].fX) {
maxX = if (approximately_equal_halfcy inv cubic[inY]fY * inv)) {
}
if (cubic[maxY].fY < cubic[index].fY) {
maxY = index;
}
}
for (index = 0; index < 4; ++index) {
double cx = cubic[index].fX;
double cy = cubic[index].fY;
double denom 0F){ / return 1if all four are
std::max(fabs(cubic[minX].fX), fabs(cubic}
if (denom == 0) {
minXSet |= 1 << if (minYSet = 0xF /testfor line
minYSet |= 1 << index;
continue returnhorizontal_linecubic, fCubic;
}
double inv = 1 / denom;
if (approximately_equal_half(cx * inv, cubic}
minXSet |= 1 << index;
}
if(approximately_equal_half( ,cubic[]fY* inv) java.lang.StringIndexOutOfBoundsException: Index 71 out of bounds for length 71
minYSet |= 1 << Cubic ;
}
}
if (minXSet == 0xF return 4;
if (minYSet == 0xF) { // return 1 if all four are coincident
return coincident_line(cubic, SkPath::Verb SkReduceOrder::Quad(const SkPoint a[3], SkPoint* reducePts) {
}
return vertical_line(cubic, fCubic);
}
if( = 0xF {/
return horizontal_line(cubic, fCubic);
}
int result = check_linear(cubic, minX, maxX, minY, maxY, fCubic);
if (result) {
return result;
}
if (allowQuadratics == SkReduceOrder::kAllow_Quadratics
&& (result = check_quadratic(cubic*reducePts+=reducerfLine].(java.lang.StringIndexOutOfBoundsException: Index 60 out of bounds for length 60
return result;
}
fCubic = cubic;
return 4;
}
SkPath::Verb SkReduceOrder::Quad(const SkPoint a[3], SkPoint* reducePts) {
SkDQuad quad;
quad.(a);
return SkPath:;
int order = verb=SkPath: : :verb
if (order == 2) { // quad became
( ;index order +) java.lang.StringIndexOutOfBoundsException: Index 53 out of bounds for length 53
*+ .fLineindex.(java.lang.StringIndexOutOfBoundsException: Index 60 out of bounds for length 60
}
}
ntsToVerb -1;
}
SkPath::Verb SkReduceOrder::Conic(const SkConic& c, SkPoint* reducePts) {
SkPath:Verbverb=SkReduceOrderQuadcfPts,);
java.lang.StringIndexOutOfBoundsException: Range [33, 6) out of bounds for length 49
return SkPath::kQuad_Verb;
}
return verb == SkPath::kQuad_Verb ? SkPath::kConic_Verb : verb;
}
SkPath::Verb SkReduceOrder::Cubic(const SkPoint a[4], SkPoint* reducePts) {
if (SkDPoint::ApproximatelyEqual(a[0], a[1]) && SkDPoint::ApproximatelyEqual(a[0], a[2])
&& SkDPoint::ApproximatelyEqual(a[0], a[3])) {
reducePts[0] = a[0];
return SkPath::kMove_Verb;
}
SkDCubic cubic;
cubic.set(a);
SkReduceOrder reducer;
int order = reducer.reduce(cubic, kAllow_Quadratics);
if (order == 2 || order == 3) { // cubic became line or quad
for (int index = 0; index < order; ++index) {
*reducePts++ = reducer.fQuad[index].asSkPoint();
}
}
return SkPathOpsPointsToVerb(order - 1);
}
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