SkPaint makePaint() {
SkPaint paint;
bool antiAlias = fRand.nextBool();
paint.setAntiAlias(antiAlias);
SkPaint::Style style = fStrokeOnly ? SkPaint::kStroke_Style :
(SkPaint::Style) fRand.nextRangeU(SkPaint::kFill_Style, SkPaint::kStrokeAndFill_Style);
paint.setStyle(style);
SkColor color = (SkColor) fRand.nextU();
paint.setColor(color);
SkScalar width = fRand.nextRangeF(0, 10);
paint.setStrokeWidth(width);
SkScalar miter = makeScalar();
paint.setStrokeMiter(miter);
SkPaint::Cap cap = (SkPaint::Cap) fRand.nextRangeU(SkPaint::kButt_Cap, SkPaint::kSquare_Cap);
paint.setStrokeCap(cap);
SkPaint::Join join = (SkPaint::Join) fRand.nextRangeU(SkPaint::kMiter_Join,
SkPaint::kBevel_Join);
paint.setStrokeJoin(join);
return paint;
}
SkRRect makeRRect() {
SkRRect rrect;
RandomSetRRect rrectType = makeSetRRectType();
if (fPrintName) {
SkDebugf("%.*s%s\n", fPathDepth * 3, fTab, gRandomSetRRectNames[rrectType]);
}
switch (rrectType) {
case kSetEmpty:
rrect.setEmpty();
break;
case kSetRect: {
SkRect rect = makeRect();
rrect.setRect(rect);
}
break;
case kSetOval: {
SkRect oval = makeRect();
rrect.setOval(oval);
}
break;
case kSetRectXY: {
SkRect rect = makeRect();
SkScalar xRad = makeScalar();
SkScalar yRad = makeScalar();
rrect.setRectXY(rect, xRad, yRad);
}
break;
case kSetNinePatch: {
SkRect rect = makeRect();
SkScalar leftRad = makeScalar();
SkScalar topRad = makeScalar();
SkScalar rightRad = makeScalar();
SkScalar bottomRad = makeScalar();
rrect.setNinePatch(rect, leftRad, topRad, rightRad, bottomRad);
SkDebugf(""); // keep locals in scope
}
break;
case kSetRectRadii: {
SkRect rect = makeRect();
SkVector radii[4];
makeVectorArray(SK_ARRAY_COUNT(radii), radii);
rrect.setRectRadii(rect, radii);
}
break;
}
return rrect;
}
void makeScalarArray(size_t arrayCount, SkScalar* array) {
for (size_t index = 0; index < arrayCount; ++index) {
array[index] = makeScalar();
}
}
SkPath makePath() {
SkPath path;
for (uint32_t cIndex = 0; cIndex < fPathContourCount; ++cIndex) {
uint32_t segments = makeSegmentCount();
for (uint32_t sIndex = 0; sIndex < segments; ++sIndex) {
RandomAddPath addPathType = makeAddPathType();
++fAddCount;
if (fPrintName) {
SkDebugf("%.*s%s\n", fPathDepth * 3, fTab,
gRandomAddPathNames[addPathType]);
}
switch (addPathType) {
case kAddArc: {
SkRect oval = makeRect();
SkScalar startAngle = makeAngle();
SkScalar sweepAngle = makeAngle();
path.addArc(oval, startAngle, sweepAngle);
validate(path);
} break;
case kAddRoundRect1: {
SkRect rect = makeRect();
SkScalar rx = makeScalar(), ry = makeScalar();
SkPath::Direction dir = makeDirection();
path.addRoundRect(rect, rx, ry, dir);
validate(path);
} break;
case kAddRoundRect2: {
SkRect rect = makeRect();
SkScalar radii[8];
makeScalarArray(SK_ARRAY_COUNT(radii), radii);
SkPath::Direction dir = makeDirection();
path.addRoundRect(rect, radii, dir);
validate(path);
} break;
case kAddRRect: {
SkRRect rrect = makeRRect();
SkPath::Direction dir = makeDirection();
path.addRRect(rrect, dir);
validate(path);
} break;
case kAddPoly: {
SkTDArray<SkPoint> points;
makePointArray(&points);
bool close = makeBool();
path.addPoly(&points[0], points.count(), close);
validate(path);
} break;
case kAddPath1:
if (fPathDepth < fPathDepthLimit) {
++fPathDepth;
SkPath src = makePath();
validate(src);
SkScalar dx = makeScalar();
SkScalar dy = makeScalar();
SkPath::AddPathMode mode = makeAddPathMode();
path.addPath(src, dx, dy, mode);
--fPathDepth;
validate(path);
}
break;
case kAddPath2:
if (fPathDepth < fPathDepthLimit) {
++fPathDepth;
SkPath src = makePath();
validate(src);
SkPath::AddPathMode mode = makeAddPathMode();
path.addPath(src, mode);
--fPathDepth;
validate(path);
}
break;
case kAddPath3:
if (fPathDepth < fPathDepthLimit) {
++fPathDepth;
SkPath src = makePath();
validate(src);
SkMatrix matrix = makeMatrix();
SkPath::AddPathMode mode = makeAddPathMode();
path.addPath(src, matrix, mode);
--fPathDepth;
validate(path);
}
break;
case kReverseAddPath:
if (fPathDepth < fPathDepthLimit) {
++fPathDepth;
SkPath src = makePath();
validate(src);
path.reverseAddPath(src);
--fPathDepth;
validate(path);
}
break;
case kMoveToPath: {
SkScalar x = makeScalar();
SkScalar y = makeScalar();
path.moveTo(x, y);
validate(path);
} break;
case kRMoveToPath: {
SkScalar x = makeScalar();
SkScalar y = makeScalar();
path.rMoveTo(x, y);
validate(path);
} break;
case kLineToPath: {
SkScalar x = makeScalar();
SkScalar y = makeScalar();
path.lineTo(x, y);
validate(path);
} break;
case kRLineToPath: {
SkScalar x = makeScalar();
SkScalar y = makeScalar();
path.rLineTo(x, y);
validate(path);
} break;
case kQuadToPath: {
SkPoint pt[2];
makePointArray(SK_ARRAY_COUNT(pt), pt);
path.quadTo(pt[0], pt[1]);
validate(path);
} break;
case kRQuadToPath: {
SkPoint pt[2];
makePointArray(SK_ARRAY_COUNT(pt), pt);
path.rQuadTo(pt[0].fX, pt[0].fY, pt[1].fX, pt[1].fY);
validate(path);
} break;
case kConicToPath: {
SkPoint pt[2];
makePointArray(SK_ARRAY_COUNT(pt), pt);
SkScalar weight = makeScalar();
path.conicTo(pt[0], pt[1], weight);
validate(path);
} break;
case kRConicToPath: {
SkPoint pt[2];
makePointArray(SK_ARRAY_COUNT(pt), pt);
SkScalar weight = makeScalar();
path.rConicTo(pt[0].fX, pt[0].fY, pt[1].fX, pt[1].fY, weight);
validate(path);
} break;
case kCubicToPath: {
SkPoint pt[3];
makePointArray(SK_ARRAY_COUNT(pt), pt);
path.cubicTo(pt[0], pt[1], pt[2]);
validate(path);
} break;
case kRCubicToPath: {
SkPoint pt[3];
makePointArray(SK_ARRAY_COUNT(pt), pt);
path.rCubicTo(pt[0].fX, pt[0].fY, pt[1].fX, pt[1].fY, pt[2].fX, pt[2].fY);
validate(path);
} break;
case kArcToPath: {
SkPoint pt[2];
makePointArray(SK_ARRAY_COUNT(pt), pt);
SkScalar radius = makeScalar();
path.arcTo(pt[0], pt[1], radius);
validate(path);
} break;
case kArcTo2Path: {
SkRect oval = makeRect();
SkScalar startAngle = makeAngle();
SkScalar sweepAngle = makeAngle();
bool forceMoveTo = makeBool();
path.arcTo(oval, startAngle, sweepAngle, forceMoveTo);
validate(path);
} break;
case kClosePath:
path.close();
validate(path);
break;
}
}
}
return path;
}
SkMatrix makeMatrix() {
SkMatrix matrix;
matrix.reset();
RandomSetMatrix setMatrix = (RandomSetMatrix) fRand.nextRangeU(0, kRandomSetMatrix_Last);
if (fPrintName) {
SkDebugf("%.*s%s\n", fPathDepth * 3, fTab, gRandomSetMatrixNames[setMatrix]);
}
switch (setMatrix) {
case kSetIdentity:
break;
case kSetTranslateX:
matrix.setTranslateX(makeScalar());
break;
case kSetTranslateY:
matrix.setTranslateY(makeScalar());
break;
case kSetTranslate:
matrix.setTranslate(makeScalar(), makeScalar());
break;
case kSetScaleX:
matrix.setScaleX(makeScalar());
break;
case kSetScaleY:
matrix.setScaleY(makeScalar());
break;
case kSetScale:
matrix.setScale(makeScalar(), makeScalar());
break;
case kSetScaleTranslate:
matrix.setScale(makeScalar(), makeScalar(), makeScalar(), makeScalar());
break;
case kSetSkewX:
matrix.setSkewX(makeScalar());
break;
case kSetSkewY:
matrix.setSkewY(makeScalar());
break;
case kSetSkew:
matrix.setSkew(makeScalar(), makeScalar());
break;
case kSetSkewTranslate:
matrix.setSkew(makeScalar(), makeScalar(), makeScalar(), makeScalar());
break;
case kSetRotate:
matrix.setRotate(makeScalar());
break;
case kSetRotateTranslate:
matrix.setRotate(makeScalar(), makeScalar(), makeScalar());
break;
case kSetPerspectiveX:
matrix.setPerspX(makeScalar());
break;
case kSetPerspectiveY:
matrix.setPerspY(makeScalar());
break;
case kSetAll:
matrix.setAll(makeScalar(), makeScalar(), makeScalar(),
makeScalar(), makeScalar(), makeScalar(),
makeScalar(), makeScalar(), makeScalar());
break;
}
return matrix;
}
/* Call matlab's fmincon */
int matlab_fmincon(
double* x, /* result: optimum point */
double* fval, /* result: optimum function value */
int ndim, /* number of dimensions (variables) */
double (*objfun)(double *), /* objective function */
double* x0, /* starting point */
int nIneq, /* number of linear inequalities */
double* A, /* linear inequalities A*X <= B*/
double* B,
int nEq, /* number of linear equalities */
double* Aeq, /* linear equalities Aeq*X = B*/
double* Beq,
bool hasBounds, /* are there any bounds */
double* LB, /* lower bounds */
double* UB, /* upper bounds */
int nC, /* number of constraints */
double* (*C)(double *), /* non linear constraints */
int nCeq, /* number of equality constraints */
double* (*Ceq)(double *) /* non linear equality constraints */
){
/** Intialize MCR and library **/
const char* ops = "-nodesktop";
/*const char* ops = "";*/
if (!mclInitializeApplication(&ops, 1)) {
printf("Error Initializing Application\n");
return -1;
}
if (!liboptimizeInitialize()) {
printf("Error Initializing Library\n");
return -1;
}
printf("Setting up matlab optimizer for a %i var problem\n",ndim);
/** The objective function **/
/* Create a numeric datatype large enough to hold a pointer */
mxArray *of = mxCreateNumericMatrix(1,1,mxUINT64_CLASS,mxREAL);
/* Save the pointer to the objective function as numeric */
*((mwSize*)mxGetData(of)) = (mwSize) objfun;
printf(" Objective function set\n");
/** The starting point **/
mxArray *x0arr = makeArray(x0,ndim,1);
printf(" Starting point set x0[0]=%f x0[1]=%f\n",x0[0],x0[1]);
/** linear constraints **/
mxArray *Aarr = makeArray(A,nIneq,ndim);
mxArray *Barr = makeArray(B,nIneq,1);
printf(" %i inequality constraints set\n",nIneq);
/** linear equality constraints **/
mxArray *Aeqarr = makeArray(Aeq,nEq,ndim);
mxArray *Beqarr = makeArray(Beq,nEq,1);
printf(" %i equality constraints set\n",nEq);
/** variable bounds **/
int nb = ndim;
if (!hasBounds) nb = 0;
mxArray *LBarr = makeArray(LB,nb,1);
mxArray *UBarr = makeArray(UB,nb,1);
printf(" %i variable bounds set\n",nb);
/** nonlinear constraints **/
mxArray *cf;
mxArray *ncf = makeScalar(nC);
if (nC > 0) {
cf = mxCreateNumericMatrix(1,1,mxUINT64_CLASS,mxREAL);
*((mwSize*)mxGetData(cf)) = (mwSize) C;
}else{
cf = mxCreateNumericMatrix(0, 1, mxDOUBLE_CLASS, mxREAL);
}
printf(" %i nonlinear constraints set\n",nC);
/** nonlinear equality constraints **/
mxArray *ecf;
mxArray *necf = makeScalar(nCeq);
if (nCeq > 0) {
ecf = mxCreateNumericMatrix(1,1,mxUINT64_CLASS,mxREAL);
*((mwSize*)mxGetData(ecf)) = (mwSize) Ceq;
}else{
ecf = mxCreateNumericMatrix(0, 1, mxDOUBLE_CLASS, mxREAL);
}
printf(" %i nonlinear equality constraints set\n",nCeq);
/** Call the matlab function **/
mxArray *xarr=NULL;
mxArray *fvalarr=NULL;
printf("Calling the matlab library\n");
mlfDoOptim(2,&xarr,&fvalarr,of,x0arr,Aarr,Barr,Aeqarr,Beqarr,LBarr,UBarr,ncf,cf,necf,ecf);
printf("Returning results\n");
/** Get/display the results **/
double* xa = mxGetPr(xarr);
double* fvala = mxGetPr(fvalarr);
int i;
for(i=0;i<ndim;++i) x[i] = xa[i];
for(i=0;i<1;++i) fval[i] = fvala[i];
printf("Cleaning up\n");
/** Cleanup **/
mxDestroyArray(of);
mxDestroyArray(x0arr);
mxDestroyArray(Aarr);
mxDestroyArray(Barr);
mxDestroyArray(Aeqarr);
mxDestroyArray(Beqarr);
mxDestroyArray(LBarr);
mxDestroyArray(UBarr);
mxDestroyArray(cf);
mxDestroyArray(ecf);
mxDestroyArray(ncf);
mxDestroyArray(necf);
mxDestroyArray(xarr);
mxDestroyArray(fvalarr);
liboptimizeTerminate();
mclTerminateApplication();
return 0;
}