void onDraw(SkCanvas* canvas) override {
SkPath path;
SkRandom rand;
int scale = 300;
for (int i = 0; i < 4; ++i) {
// get the random values deterministically
SkScalar randoms[12];
for (int index = 0; index < (int) SK_ARRAY_COUNT(randoms); ++index) {
randoms[index] = rand.nextUScalar1();
}
path.lineTo(randoms[0] * scale, randoms[1] * scale);
path.quadTo(randoms[2] * scale, randoms[3] * scale,
randoms[4] * scale, randoms[5] * scale);
path.cubicTo(randoms[6] * scale, randoms[7] * scale,
randoms[8] * scale, randoms[9] * scale,
randoms[10] * scale, randoms[11] * scale);
}
path.setFillType(SkPath::kEvenOdd_FillType);
path.offset(SkIntToScalar(20), SkIntToScalar(20));
test_hittest(canvas, path);
canvas->translate(SkIntToScalar(scale), 0);
path.setFillType(SkPath::kWinding_FillType);
test_hittest(canvas, path);
}
void onDrawContent(SkCanvas* canvas) override {
test_huge_stroke(canvas); return;
canvas->translate(SkIntToScalar(10), SkIntToScalar(10));
SkPaint paint;
paint.setAntiAlias(true);
if (true) {
canvas->drawColor(SK_ColorBLACK);
paint.setTextSize(24);
paint.setColor(SK_ColorWHITE);
canvas->translate(10, 30);
static const SkBlurStyle gStyle[] = {
kNormal_SkBlurStyle,
kInner_SkBlurStyle,
kOuter_SkBlurStyle,
kSolid_SkBlurStyle,
};
for (int x = 0; x < 5; x++) {
SkScalar sigma = SkBlurMask::ConvertRadiusToSigma(SkIntToScalar(4));
for (int y = 0; y < 10; y++) {
if (x) {
paint.setMaskFilter(SkBlurMaskFilter::Make(gStyle[x - 1], sigma));
}
canvas->drawString("Title Bar", x*SkIntToScalar(100), y*SkIntToScalar(30), paint);
sigma *= 0.75f;
}
}
return;
}
paint.setColor(SK_ColorBLUE);
#if 1
SkPath p;
float r = rand.nextUScalar1() + 0.5f;
SkScalar x = 0, y = 0;
p.moveTo(x, y);
#if 0
p.cubicTo(x-75*r, y+75*r, x-40*r, y+125*r, x, y+85*r);
p.cubicTo(x+40*r, y+125*r, x+75*r, y+75*r, x, y);
#else
p.cubicTo(x+75*r, y+75*r, x+40*r, y+125*r, x, y+85*r);
p.cubicTo(x-40*r, y+125*r, x-75*r, y+75*r, x, y);
#endif
p.close();
fPath = p;
fPath.offset(100, 0);
#endif
fPath.setFillType(SkPath::kWinding_FillType);
drawSet(canvas, &paint);
canvas->translate(0, fPath.getBounds().height() * 5 / 4);
fPath.setFillType(SkPath::kEvenOdd_FillType);
drawSet(canvas, &paint);
}
static void PathOpsSimplifyFailTest(skiatest::Reporter* reporter) {
for (int index = 0; index < (int) (13 * nonFinitePtsCount * finitePtsCount); ++index) {
SkPath path;
int i = (int) (index % nonFinitePtsCount);
int f = (int) (index % finitePtsCount);
int g = (int) ((f + 1) % finitePtsCount);
switch (index % 13) {
case 0: path.lineTo(nonFinitePts[i]); break;
case 1: path.quadTo(nonFinitePts[i], nonFinitePts[i]); break;
case 2: path.quadTo(nonFinitePts[i], finitePts[f]); break;
case 3: path.quadTo(finitePts[f], nonFinitePts[i]); break;
case 4: path.cubicTo(nonFinitePts[i], finitePts[f], finitePts[f]); break;
case 5: path.cubicTo(finitePts[f], nonFinitePts[i], finitePts[f]); break;
case 6: path.cubicTo(finitePts[f], finitePts[f], nonFinitePts[i]); break;
case 7: path.cubicTo(nonFinitePts[i], nonFinitePts[i], finitePts[f]); break;
case 8: path.cubicTo(nonFinitePts[i], finitePts[f], nonFinitePts[i]); break;
case 9: path.cubicTo(finitePts[f], nonFinitePts[i], nonFinitePts[i]); break;
case 10: path.cubicTo(nonFinitePts[i], nonFinitePts[i], nonFinitePts[i]); break;
case 11: path.cubicTo(nonFinitePts[i], finitePts[f], finitePts[g]); break;
case 12: path.moveTo(nonFinitePts[i]); break;
}
SkPath result;
result.setFillType(SkPath::kWinding_FillType);
bool success = Simplify(path, &result);
REPORTER_ASSERT(reporter, !success);
REPORTER_ASSERT(reporter, result.isEmpty());
REPORTER_ASSERT(reporter, result.getFillType() == SkPath::kWinding_FillType);
reporter->bumpTestCount();
}
if (sizeof(reporter) == 4) {
return;
}
for (int index = 0; index < (int) (11 * finitePtsCount); ++index) {
SkPath path;
int f = (int) (index % finitePtsCount);
int g = (int) ((f + 1) % finitePtsCount);
switch (index % 11) {
case 0: path.lineTo(finitePts[f]); break;
case 1: path.quadTo(finitePts[f], finitePts[f]); break;
case 2: path.quadTo(finitePts[f], finitePts[g]); break;
case 3: path.quadTo(finitePts[g], finitePts[f]); break;
case 4: path.cubicTo(finitePts[f], finitePts[f], finitePts[f]); break;
case 5: path.cubicTo(finitePts[f], finitePts[f], finitePts[g]); break;
case 6: path.cubicTo(finitePts[f], finitePts[g], finitePts[f]); break;
case 7: path.cubicTo(finitePts[f], finitePts[g], finitePts[g]); break;
case 8: path.cubicTo(finitePts[g], finitePts[f], finitePts[f]); break;
case 9: path.cubicTo(finitePts[g], finitePts[f], finitePts[g]); break;
case 10: path.moveTo(finitePts[f]); break;
}
SkPath result;
result.setFillType(SkPath::kWinding_FillType);
bool success = Simplify(path, &result);
REPORTER_ASSERT(reporter, success);
REPORTER_ASSERT(reporter, result.getFillType() != SkPath::kWinding_FillType);
reporter->bumpTestCount();
}
}
static inline SkPath
path_to_sk (cairo_path_fixed_t *path,
cairo_fill_rule_t fill_rule,
cairo_matrix_t *mat = NULL)
{
SkPath skPath = path_to_sk (path, mat);
if (fill_rule == CAIRO_FILL_RULE_EVEN_ODD)
skPath.setFillType (SkPath::kEvenOdd_FillType);
else
skPath.setFillType (SkPath::kWinding_FillType);
return skPath;
}
void drawMask(SkCanvas* canvas, const SkRect& r) {
SkPaint paint;
paint.setAntiAlias(true);
if (true) {
SkBitmap mask;
int w = SkScalarRoundToInt(r.width());
int h = SkScalarRoundToInt(r.height());
mask.allocN32Pixels(w, h);
mask.eraseColor(SK_ColorTRANSPARENT);
SkCanvas c(mask);
SkRect bounds = r;
bounds.offset(-bounds.fLeft, -bounds.fTop);
c.drawOval(bounds, paint);
paint.setBlendMode(SkBlendMode::kDstIn);
canvas->drawBitmap(mask, r.fLeft, r.fTop, &paint);
} else {
SkPath p;
p.addOval(r);
p.setFillType(SkPath::kInverseWinding_FillType);
paint.setBlendMode(SkBlendMode::kDstOut);
canvas->drawPath(p, paint);
}
}
bool PlatformGraphicsContextSkia::clipPath(const Path& pathToClip, WindRule clipRule)
{
SkPath path = *pathToClip.platformPath();
path.setFillType(clipRule == RULE_EVENODD
? SkPath::kEvenOdd_FillType : SkPath::kWinding_FillType);
return mCanvas->clipPath(path);
}
void drawMask(SkCanvas* canvas, const SkRect& r) {
SkPaint paint;
paint.setAntiAlias(true);
if (true) {
SkBitmap mask;
int w = SkScalarRound(r.width());
int h = SkScalarRound(r.height());
mask.setConfig(SkBitmap::kARGB_8888_Config, w, h);
mask.allocPixels();
mask.eraseColor(0);
SkCanvas c(mask);
SkRect bounds = r;
bounds.offset(-bounds.fLeft, -bounds.fTop);
c.drawOval(bounds, paint);
paint.setXfermodeMode(SkXfermode::kDstIn_Mode);
canvas->drawBitmap(mask, r.fLeft, r.fTop, &paint);
} else {
SkPath p;
p.addOval(r);
p.setFillType(SkPath::kInverseWinding_FillType);
paint.setXfermodeMode(SkXfermode::kDstOut_Mode);
canvas->drawPath(p, paint);
}
}
SkPath SubsetVerbs::getSubsetPath() const {
SkPath result;
result.setFillType(fPath.getFillType());
if (!fSelected.count()) {
return result;
}
SkPath::RawIter iter(fPath);
uint8_t verb;
SkPoint pts[4];
int verbIndex = 0;
bool addMoveTo = true;
bool addLineTo = false;
while ((verb = iter.next(pts)) != SkPath::kDone_Verb) {
bool enabled = SkPath::kLine_Verb <= verb && verb <= SkPath::kCubic_Verb
? fSelected[verbIndex++] : false;
if (enabled) {
if (addMoveTo) {
result.moveTo(pts[0]);
addMoveTo = false;
} else if (addLineTo) {
result.lineTo(pts[0]);
addLineTo = false;
}
}
switch (verb) {
case SkPath::kMove_Verb:
break;
case SkPath::kLine_Verb:
if (enabled) {
result.lineTo(pts[1]);
}
break;
case SkPath::kQuad_Verb:
if (enabled) {
result.quadTo(pts[1], pts[2]);
}
break;
case SkPath::kConic_Verb:
if (enabled) {
result.conicTo(pts[1], pts[2], iter.conicWeight());
}
break;
case SkPath::kCubic_Verb:
if (enabled) {
result.cubicTo(pts[1], pts[2], pts[3]);
}
break;
case SkPath::kClose_Verb:
result.close();
addMoveTo = true;
addLineTo = false;
continue;
default:
SkDEBUGFAIL("bad verb");
return result;
}
addLineTo = !enabled;
}
return result;
}
bool testSimplify(SkPath& path, bool useXor, SkPath& out, PathOpsThreadState& state,
const char* pathStr) {
SkPath::FillType fillType = useXor ? SkPath::kEvenOdd_FillType : SkPath::kWinding_FillType;
path.setFillType(fillType);
state.fReporter->bumpTestCount();
if (!Simplify(path, &out)) {
SkDebugf("%s did not expect failure\n", __FUNCTION__);
REPORTER_ASSERT(state.fReporter, 0);
return false;
}
if (!state.fReporter->verbose()) {
return true;
}
int result = comparePaths(state.fReporter, nullptr, path, out, *state.fBitmap);
if (result) {
SkAutoMutexAcquire autoM(simplifyDebugOut);
char temp[8192];
sk_bzero(temp, sizeof(temp));
SkMemoryWStream stream(temp, sizeof(temp));
const char* pathPrefix = nullptr;
const char* nameSuffix = nullptr;
if (fillType == SkPath::kEvenOdd_FillType) {
pathPrefix = " path.setFillType(SkPath::kEvenOdd_FillType);\n";
nameSuffix = "x";
}
const char testFunction[] = "testSimplify(reporter, path);";
outputToStream(pathStr, pathPrefix, nameSuffix, testFunction, false, stream);
SkDebugf("%s", temp);
REPORTER_ASSERT(state.fReporter, 0);
}
state.fReporter->bumpTestCount();
return result == 0;
}
static void fuzz763_1(skiatest::Reporter* reporter, const char* filename) {
SkPath path;
path.setFillType((SkPath::FillType) 0);
path.moveTo(SkBits2Float(0x00000000), SkBits2Float(0x00000000)); // 0, 0
path.cubicTo(SkBits2Float(0xbcb63000), SkBits2Float(0xb6b6b6b7), SkBits2Float(0x38b6b6b6), SkBits2Float(0xafb63a5a), SkBits2Float(0xca000087), SkBits2Float(0xe93ae9e9)); // -0.0222397f, -5.44529e-06f, 8.71247e-05f, -3.31471e-10f, -2.09719e+06f, -1.41228e+25f
path.quadTo(SkBits2Float(0xb6007fb6), SkBits2Float(0xb69fb6b6), SkBits2Float(0xe9e964b6), SkBits2Float(0xe9e9e9e9)); // -1.91478e-06f, -4.75984e-06f, -3.52694e+25f, -3.5348e+25f
path.quadTo(SkBits2Float(0xb6b6b8b7), SkBits2Float(0xb60000b6), SkBits2Float(0xb6b6b6b6), SkBits2Float(0xe9e92064)); // -5.44553e-06f, -1.90739e-06f, -5.44529e-06f, -3.52291e+25f
path.quadTo(SkBits2Float(0x000200e9), SkBits2Float(0xe9e9d100), SkBits2Float(0xe93ae9e9), SkBits2Float(0xe964b6e9)); // 1.83997e-40f, -3.53333e+25f, -1.41228e+25f, -1.72812e+25f
path.quadTo(SkBits2Float(0x40b6e9e9), SkBits2Float(0xe9b60000), SkBits2Float(0x00b6b8e9), SkBits2Float(0xe9000001)); // 5.71605f, -2.75031e+25f, 1.67804e-38f, -9.67141e+24f
path.quadTo(SkBits2Float(0xe9d3b6b2), SkBits2Float(0x40404540), SkBits2Float(0x803d4043), SkBits2Float(0xe9e9e9ff)); // -3.19933e+25f, 3.00423f, -5.62502e-39f, -3.53481e+25f
path.cubicTo(SkBits2Float(0x00000000), SkBits2Float(0xe8b3b6b6), SkBits2Float(0xe90a0003), SkBits2Float(0x4040403c), SkBits2Float(0x803d4040), SkBits2Float(0xe9e80900)); // 0, -6.78939e+24f, -1.0427e+25f, 3.00392f, -5.62501e-39f, -3.50642e+25f
path.quadTo(SkBits2Float(0xe9e910e9), SkBits2Float(0xe9e93ae9), SkBits2Float(0x0000b6b6), SkBits2Float(0xb6b6aab6)); // -3.52199e+25f, -3.52447e+25f, 6.55443e-41f, -5.4439e-06f
path.moveTo(SkBits2Float(0xe9e92064), SkBits2Float(0xe9e9d106)); // -3.52291e+25f, -3.53334e+25f
path.quadTo(SkBits2Float(0xe9e93ae9), SkBits2Float(0x0000abb6), SkBits2Float(0xb6b6bdb6), SkBits2Float(0xe92064b6)); // -3.52447e+25f, 6.15983e-41f, -5.44611e-06f, -1.2119e+25f
path.quadTo(SkBits2Float(0x0000e9e9), SkBits2Float(0xb6b6b6e9), SkBits2Float(0x05ffff05), SkBits2Float(0xe9ea06e9)); // 8.39112e-41f, -5.44532e-06f, 2.40738e-35f, -3.53652e+25f
path.quadTo(SkBits2Float(0xe93ae9e9), SkBits2Float(0x02007fe9), SkBits2Float(0xb8b7b600), SkBits2Float(0xe9e9b6b6)); // -1.41228e+25f, 9.44066e-38f, -8.76002e-05f, -3.53178e+25f
path.quadTo(SkBits2Float(0xe9e9e9b6), SkBits2Float(0xedb6b6b6), SkBits2Float(0x5a38a1b6), SkBits2Float(0xe93ae9e9)); // -3.53479e+25f, -7.06839e+27f, 1.29923e+16f, -1.41228e+25f
path.quadTo(SkBits2Float(0x0000b6b6), SkBits2Float(0xb6b6b6b6), SkBits2Float(0xe9e9e9b6), SkBits2Float(0xe9e9e954)); // 6.55443e-41f, -5.44529e-06f, -3.53479e+25f, -3.53477e+25f
path.quadTo(SkBits2Float(0xb6e9e93a), SkBits2Float(0x375837ff), SkBits2Float(0xceb6b6b6), SkBits2Float(0x0039e94f)); // -6.97109e-06f, 1.28876e-05f, -1.53271e+09f, 5.31832e-39f
path.quadTo(SkBits2Float(0xe9e9e9e9), SkBits2Float(0xe9e6e9e9), SkBits2Float(0xb6b641b6), SkBits2Float(0xede9e9e9)); // -3.5348e+25f, -3.48947e+25f, -5.43167e-06f, -9.0491e+27f
path.moveTo(SkBits2Float(0xb6b6e9e9), SkBits2Float(0xb6b60000)); // -5.45125e-06f, -5.42402e-06f
path.moveTo(SkBits2Float(0xe9b6b6b6), SkBits2Float(0xe9b6b8e9)); // -2.76109e+25f, -2.76122e+25f
path.close();
path.moveTo(SkBits2Float(0xe9b6b6b6), SkBits2Float(0xe9b6b8e9)); // -2.76109e+25f, -2.76122e+25f
path.quadTo(SkBits2Float(0xe93ae9e9), SkBits2Float(0xe964b6e9), SkBits2Float(0x0000203a), SkBits2Float(0xb6000000)); // -1.41228e+25f, -1.72812e+25f, 1.15607e-41f, -1.90735e-06f
path.moveTo(SkBits2Float(0x64b6b6b6), SkBits2Float(0xe9e9e900)); // 2.69638e+22f, -3.53475e+25f
path.quadTo(SkBits2Float(0xb6b6b6e9), SkBits2Float(0xb6b6b6b6), SkBits2Float(0xe9e9b6ce), SkBits2Float(0xe9e93ae9)); // -5.44532e-06f, -5.44529e-06f, -3.53179e+25f, -3.52447e+25f
testSimplifyFuzz(reporter, path, filename);
}
void operate(const SkPath& one, const SkPath& two, ShapeOp op, SkPath& result) {
result.reset();
result.setFillType(SkPath::kEvenOdd_FillType);
// turn path into list of segments
SkTArray<Op::Contour> contours;
// FIXME: add self-intersecting cubics' T values to segment
Op::EdgeBuilder builder(one, contours);
const int aXorMask = builder.xorMask();
builder.addOperand(two);
const int bXorMask = builder.xorMask();
builder.finish();
SkTDArray<Op::Contour*> contourList;
makeContourList(contours, contourList);
Op::Contour** currentPtr = contourList.begin();
if (!currentPtr) {
return;
}
Op::Contour** listEnd = contourList.end();
// find all intersections between segments
do {
Op::Contour** nextPtr = currentPtr;
Op::Contour* current = *currentPtr++;
Op::Contour* next;
do {
next = *nextPtr++;
} while (addIntersectTs(current, next) && nextPtr != listEnd);
} while (currentPtr != listEnd);
// eat through coincident edges
coincidenceCheck(contourList);
fixOtherTIndex(contourList);
// construct closed contours
Op::PathWrapper wrapper(result);
bridgeOp(contourList, op, aXorMask, bXorMask, wrapper);
}
bool testSimplifyx(SkPath& path, bool useXor, SkPath& out, State4& state,
const char* pathStr) {
SkPath::FillType fillType = useXor ? SkPath::kEvenOdd_FillType : SkPath::kWinding_FillType;
path.setFillType(fillType);
if (gShowPath) {
showPath(path);
}
simplifyx(path, out);
if (!gComparePaths) {
return true;
}
int result = comparePaths(path, out, state.bitmap);
if (result && gPathStrAssert) {
SkDebugf("addTest %s\n", state.filename);
char temp[8192];
bzero(temp, sizeof(temp));
SkMemoryWStream stream(temp, sizeof(temp));
const char* pathPrefix = NULL;
const char* nameSuffix = NULL;
if (fillType == SkPath::kEvenOdd_FillType) {
pathPrefix = " path.setFillType(SkPath::kEvenOdd_FillType);\n";
nameSuffix = "x";
}
const char testFunction[] = "testSimplifyx(path);";
outputToStream(state, pathStr, pathPrefix, nameSuffix, testFunction, stream);
SkDebugf(temp);
SkASSERT(0);
}
return result == 0;
}
/* Two invariants are tested: How does an empty/degenerate path draw?
* - if the path is drawn inverse, it should draw everywhere
* - if the path is drawn non-inverse, it should draw nowhere
*
* Things to iterate on:
* - path (empty, degenerate line/quad/cubic w/ and w/o close
* - paint style
* - path filltype
* - path stroke variants (e.g. caps, joins, width)
*/
static void test_emptydrawing(skiatest::Reporter* reporter) {
static void (*gMakeProc[])(SkPath*) = {
make_empty, make_M, make_MM, make_MZM, make_L, make_Q, make_C
};
static SkPath::FillType gFills[] = {
SkPath::kWinding_FillType,
SkPath::kEvenOdd_FillType,
SkPath::kInverseWinding_FillType,
SkPath::kInverseEvenOdd_FillType
};
for (int doClose = 0; doClose < 2; ++doClose) {
for (size_t i = 0; i < SK_ARRAY_COUNT(gMakeProc); ++i) {
SkPath path;
gMakeProc[i](&path);
if (doClose) {
path.close();
}
for (size_t fill = 0; fill < SK_ARRAY_COUNT(gFills); ++fill) {
path.setFillType(gFills[fill]);
bool shouldDraw = path.isInverseFillType();
iter_paint(reporter, path, shouldDraw);
}
}
}
}
void draw_fill(SkCanvas* canvas, const SkRect& rect, SkScalar width) {
if (rect.isEmpty()) {
return;
}
SkPaint paint;
paint.setColor(0x1f1f0f0f);
paint.setStyle(SkPaint::kStroke_Style);
paint.setStrokeWidth(width);
SkPath path;
SkScalar maxSide = SkTMax(rect.width(), rect.height()) / 2;
SkPoint center = { rect.fLeft + maxSide, rect.fTop + maxSide };
path.addCircle(center.fX, center.fY, maxSide);
canvas->drawPath(path, paint);
paint.setStyle(SkPaint::kFill_Style);
path.reset();
path.addCircle(center.fX, center.fY, maxSide - width / 2);
paint.setColor(0x3f0f1f3f);
canvas->drawPath(path, paint);
path.reset();
path.setFillType(SkPath::kEvenOdd_FillType);
path.addCircle(center.fX, center.fY, maxSide + width / 2);
SkRect outside = SkRect::MakeXYWH(center.fX - maxSide - width, center.fY - maxSide - width,
(maxSide + width) * 2, (maxSide + width) * 2);
path.addRect(outside);
canvas->drawPath(path, paint);
}
/**
* Draw a single path element of the clip stack into the accumulation bitmap
*/
void GrSWMaskHelper::draw(const SkPath& clientPath, SkRegion::Op op,
GrPathFill fill, bool antiAlias) {
SkPaint paint;
SkPath tmpPath;
const SkPath* pathToDraw = &clientPath;
if (kHairLine_PathFill == fill) {
paint.setStyle(SkPaint::kStroke_Style);
paint.setStrokeWidth(SK_Scalar1);
} else {
paint.setStyle(SkPaint::kFill_Style);
SkPath::FillType skfill = gr_fill_to_sk_fill(fill);
if (skfill != pathToDraw->getFillType()) {
tmpPath = *pathToDraw;
tmpPath.setFillType(skfill);
pathToDraw = &tmpPath;
}
}
SkXfermode* mode = SkXfermode::Create(op_to_mode(op));
paint.setXfermode(mode);
paint.setAntiAlias(antiAlias);
paint.setColor(SK_ColorWHITE);
fDraw.drawPath(*pathToDraw, paint);
SkSafeUnref(mode);
}
static void failOne(skiatest::Reporter* reporter, int index) {
SkPath path;
int i = (int) (index % nonFinitePtsCount);
int f = (int) (index % finitePtsCount);
int g = (int) ((f + 1) % finitePtsCount);
switch (index % 13) {
case 0: path.lineTo(nonFinitePts[i]); break;
case 1: path.quadTo(nonFinitePts[i], nonFinitePts[i]); break;
case 2: path.quadTo(nonFinitePts[i], finitePts[f]); break;
case 3: path.quadTo(finitePts[f], nonFinitePts[i]); break;
case 4: path.cubicTo(nonFinitePts[i], finitePts[f], finitePts[f]); break;
case 5: path.cubicTo(finitePts[f], nonFinitePts[i], finitePts[f]); break;
case 6: path.cubicTo(finitePts[f], finitePts[f], nonFinitePts[i]); break;
case 7: path.cubicTo(nonFinitePts[i], nonFinitePts[i], finitePts[f]); break;
case 8: path.cubicTo(nonFinitePts[i], finitePts[f], nonFinitePts[i]); break;
case 9: path.cubicTo(finitePts[f], nonFinitePts[i], nonFinitePts[i]); break;
case 10: path.cubicTo(nonFinitePts[i], nonFinitePts[i], nonFinitePts[i]); break;
case 11: path.cubicTo(nonFinitePts[i], finitePts[f], finitePts[g]); break;
case 12: path.moveTo(nonFinitePts[i]); break;
}
SkPath result;
result.setFillType(SkPath::kWinding_FillType);
bool success = Simplify(path, &result);
REPORTER_ASSERT(reporter, !success);
REPORTER_ASSERT(reporter, result.isEmpty());
REPORTER_ASSERT(reporter, result.getFillType() == SkPath::kWinding_FillType);
reporter->bumpTestCount();
}
static void fuzz763_2s(skiatest::Reporter* reporter, const char* filename) {
SkPath path;
path.setFillType((SkPath::FillType) 0);
path.moveTo(SkBits2Float(0x00000000), SkBits2Float(0x00000000)); // 0, 0
path.cubicTo(SkBits2Float(0x76773011), SkBits2Float(0x5d66fe78), SkBits2Float(0xbbeeff66), SkBits2Float(0x637677a2), SkBits2Float(0x205266fe), SkBits2Float(0xec296fdf)); // 1.25339e+33f, 1.0403e+18f, -0.00729363f, 4.54652e+21f, 1.78218e-19f, -8.19347e+26f
path.lineTo(SkBits2Float(0x00000000), SkBits2Float(0x00000000)); // 0, 0
path.close();
path.moveTo(SkBits2Float(0x00000000), SkBits2Float(0x00000000)); // 0, 0
path.quadTo(SkBits2Float(0xec4eecec), SkBits2Float(0x6e6f10ec), SkBits2Float(0xb6b6ecf7), SkBits2Float(0xb6b6b6b6)); // -1.00063e+27f, 1.84968e+28f, -5.45161e-06f, -5.44529e-06f
path.moveTo(SkBits2Float(0x002032b8), SkBits2Float(0xecfeb6b6)); // 2.95693e-39f, -2.46344e+27f
path.moveTo(SkBits2Float(0x73737300), SkBits2Float(0x73735273)); // 1.9288e+31f, 1.9278e+31f
path.cubicTo(SkBits2Float(0x1616ece4), SkBits2Float(0xdf020018), SkBits2Float(0x77772965), SkBits2Float(0x1009db73), SkBits2Float(0x80ececec), SkBits2Float(0xf7ffffff)); // 1.21917e-25f, -9.36751e+18f, 5.01303e+33f, 2.71875e-29f, -2.17582e-38f, -1.03846e+34f
path.lineTo(SkBits2Float(0x73737300), SkBits2Float(0x73735273)); // 1.9288e+31f, 1.9278e+31f
path.close();
path.moveTo(SkBits2Float(0x73737300), SkBits2Float(0x73735273)); // 1.9288e+31f, 1.9278e+31f
path.conicTo(SkBits2Float(0xec0700ec), SkBits2Float(0xecececec), SkBits2Float(0xececccec), SkBits2Float(0x772965ec), SkBits2Float(0x77777377)); // -6.52837e+26f, -2.2914e+27f, -2.29019e+27f, 3.4358e+33f, 5.0189e+33f
path.moveTo(SkBits2Float(0xfe817477), SkBits2Float(0xdf665266)); // -8.60376e+37f, -1.65964e+19f
path.close();
path.moveTo(SkBits2Float(0xfe817477), SkBits2Float(0xdf665266)); // -8.60376e+37f, -1.65964e+19f
path.quadTo(SkBits2Float(0x29ec02ec), SkBits2Float(0x1009ecec), SkBits2Float(0x80ececec), SkBits2Float(0xf7ffffff)); // 1.0481e-13f, 2.7201e-29f, -2.17582e-38f, -1.03846e+34f
path.lineTo(SkBits2Float(0xfe817477), SkBits2Float(0xdf665266)); // -8.60376e+37f, -1.65964e+19f
path.close();
path.moveTo(SkBits2Float(0xfe817477), SkBits2Float(0xdf665266)); // -8.60376e+37f, -1.65964e+19f
path.conicTo(SkBits2Float(0xff003aff), SkBits2Float(0xdbec2300), SkBits2Float(0xecececec), SkBits2Float(0x6fdf6052), SkBits2Float(0x41ecec29)); // -1.70448e+38f, -1.32933e+17f, -2.2914e+27f, 1.38263e+29f, 29.6153f
path.lineTo(SkBits2Float(0xfe817477), SkBits2Float(0xdf665266)); // -8.60376e+37f, -1.65964e+19f
path.close();
path.moveTo(SkBits2Float(0xfe817477), SkBits2Float(0xdf665266)); // -8.60376e+37f, -1.65964e+19f
path.quadTo(SkBits2Float(0xecf76e6f), SkBits2Float(0xeccfddec), SkBits2Float(0xecececcc), SkBits2Float(0x66000066)); // -2.39301e+27f, -2.01037e+27f, -2.2914e+27f, 1.51118e+23f
path.lineTo(SkBits2Float(0xfe817477), SkBits2Float(0xdf665266)); // -8.60376e+37f, -1.65964e+19f
path.close();
path.moveTo(SkBits2Float(0xfe817477), SkBits2Float(0xdf665266)); // -8.60376e+37f, -1.65964e+19f
path.cubicTo(SkBits2Float(0x772965df), SkBits2Float(0x77777377), SkBits2Float(0x77777876), SkBits2Float(0x665266fe), SkBits2Float(0xecececdf), SkBits2Float(0x0285806e)); // 3.4358e+33f, 5.0189e+33f, 5.0193e+33f, 2.48399e+23f, -2.2914e+27f, 1.96163e-37f
path.lineTo(SkBits2Float(0xecececeb), SkBits2Float(0xecec0700)); // -2.2914e+27f, -2.28272e+27f
path.lineTo(SkBits2Float(0xfe817477), SkBits2Float(0xdf665266)); // -8.60376e+37f, -1.65964e+19f
path.close();
path.moveTo(SkBits2Float(0xfe817477), SkBits2Float(0xdf665266)); // -8.60376e+37f, -1.65964e+19f
path.lineTo(SkBits2Float(0x65ecfaec), SkBits2Float(0xde777729)); // 1.39888e+23f, -4.45794e+18f
path.conicTo(SkBits2Float(0x74777777), SkBits2Float(0x66fe7876), SkBits2Float(0xecdf6660), SkBits2Float(0x726eecec), SkBits2Float(0x29d610ec)); // 7.84253e+31f, 6.00852e+23f, -2.16059e+27f, 4.73241e+30f, 9.50644e-14f
path.lineTo(SkBits2Float(0xfe817477), SkBits2Float(0xdf665266)); // -8.60376e+37f, -1.65964e+19f
path.close();
path.moveTo(SkBits2Float(0xd0ecec10), SkBits2Float(0x6e6eecdb)); // -3.17991e+10f, 1.84859e+28f
path.quadTo(SkBits2Float(0x003affec), SkBits2Float(0xec2300ef), SkBits2Float(0xecececdb), SkBits2Float(0xcfececec)); // 5.41827e-39f, -7.88237e+26f, -2.2914e+27f, -7.9499e+09f
path.lineTo(SkBits2Float(0xd0ecec10), SkBits2Float(0x6e6eecdb)); // -3.17991e+10f, 1.84859e+28f
path.close();
path.moveTo(SkBits2Float(0xd0ecec10), SkBits2Float(0x6e6eecdb)); // -3.17991e+10f, 1.84859e+28f
path.quadTo(SkBits2Float(0xecccec80), SkBits2Float(0xfa66ecec), SkBits2Float(0x66fa0000), SkBits2Float(0x772965df)); // -1.9819e+27f, -2.99758e+35f, 5.90296e+23f, 3.4358e+33f
path.moveTo(SkBits2Float(0x77777790), SkBits2Float(0x00807677)); // 5.01923e+33f, 1.17974e-38f
path.close();
path.moveTo(SkBits2Float(0x77777790), SkBits2Float(0x00807677)); // 5.01923e+33f, 1.17974e-38f
path.cubicTo(SkBits2Float(0xecececec), SkBits2Float(0xfe66eaec), SkBits2Float(0xecdf1452), SkBits2Float(0x806eecec), SkBits2Float(0x10ececec), SkBits2Float(0xec000000)); // -2.2914e+27f, -7.67356e+37f, -2.15749e+27f, -1.01869e-38f, 9.34506e-29f, -6.1897e+26f
path.lineTo(SkBits2Float(0x77777790), SkBits2Float(0x00807677)); // 5.01923e+33f, 1.17974e-38f
path.close();
path.moveTo(SkBits2Float(0x77777790), SkBits2Float(0x00807677)); // 5.01923e+33f, 1.17974e-38f
path.cubicTo(SkBits2Float(0x52668062), SkBits2Float(0x2965df66), SkBits2Float(0x77777377), SkBits2Float(0x76777773), SkBits2Float(0x1697fe78), SkBits2Float(0xeebfff00)); // 2.47499e+11f, 5.1042e-14f, 5.0189e+33f, 1.2548e+33f, 2.4556e-25f, -2.971e+28f
path.lineTo(SkBits2Float(0x77777790), SkBits2Float(0x00807677)); // 5.01923e+33f, 1.17974e-38f
path.close();
testSimplifyFuzz(reporter, path, filename);
}
SkRect draw(SkCanvas* canvas, const SkPaint& paint) override {
SkPath path;
path.addCircle(15, 15, 10);
path.addOval(SkRect::MakeXYWH(2, 2, 22, 37));
path.setFillType(SkPath::kEvenOdd_FillType);
canvas->drawPath(path, paint);
return path.getBounds();
}
SkPath SubsetContours::getSubsetPath() const {
SkPath result;
result.setFillType(fPath.getFillType());
if (!fSelected.count()) {
return result;
}
SkPath::RawIter iter(fPath);
uint8_t verb;
SkPoint pts[4];
int contourCount = 0;
bool enabled = fSelected[0];
bool addMoveTo = true;
while ((verb = iter.next(pts)) != SkPath::kDone_Verb) {
if (enabled && addMoveTo) {
result.moveTo(pts[0]);
addMoveTo = false;
}
switch (verb) {
case SkPath::kMove_Verb:
break;
case SkPath::kLine_Verb:
if (enabled) {
result.lineTo(pts[1]);
}
break;
case SkPath::kQuad_Verb:
if (enabled) {
result.quadTo(pts[1], pts[2]);
}
break;
case SkPath::kConic_Verb:
if (enabled) {
result.conicTo(pts[1], pts[2], iter.conicWeight());
}
break;
case SkPath::kCubic_Verb:
if (enabled) {
result.cubicTo(pts[1], pts[2], pts[3]);
}
break;
case SkPath::kClose_Verb:
if (enabled) {
result.close();
}
if (++contourCount >= fSelected.count()) {
break;
}
enabled = fSelected[contourCount];
addMoveTo = true;
continue;
default:
SkDEBUGFAIL("bad verb");
return result;
}
}
return result;
}
void GraphicsContext::clipPath(WindRule clipRule)
{
if (paintingDisabled())
return;
SkPath path = platformContext()->currentPathInLocalCoordinates();
path.setFillType(clipRule == RULE_EVENODD ? SkPath::kEvenOdd_FillType : SkPath::kWinding_FillType);
platformContext()->canvas()->clipPath(path);
}
SkPath SkSVGPoly::onAsPath(const SkSVGRenderContext& ctx) const {
SkPath path = fPath;
// clip-rule can be inherited and needs to be applied at clip time.
path.setFillType(ctx.presentationContext().fInherited.fClipRule.get()->asFillType());
this->mapToParent(&path);
return path;
}
// Two pictures with an inverse clip path on the second one
static void invpath_clip(SkCanvas* canvas, const SkPicture* pictures[kNumPictures]) {
canvas->drawPicture(pictures[0]);
// Create a hexagon centered on the middle of the hex grid
SkPath hex = make_hex_path((kNumHexX / 2.0f) * kHexSide, kNumHexY * kHexSide * kRoot3Over2);
hex.setFillType(SkPath::kInverseEvenOdd_FillType);
canvas->clipPath(hex);
canvas->drawPicture(pictures[1]);
}
static void fuzz_x3(skiatest::Reporter* reporter, const char* filename) {
SkPath path;
path.setFillType(SkPath::kWinding_FillType);
path.moveTo(SkBits2Float(0x00000000), SkBits2Float(0x00000000)); // 0, 0
path.cubicTo(SkBits2Float(0x92743420), SkBits2Float(0x74747474), SkBits2Float(0x0f747c74), SkBits2Float(0xff538565), SkBits2Float(0x74744374), SkBits2Float(0x20437474)); // -7.70571e-28f, 7.74708e+31f, 1.20541e-29f, -2.8116e+38f, 7.74102e+31f, 1.65557e-19f
path.conicTo(SkBits2Float(0x7474926d), SkBits2Float(0x7c747474), SkBits2Float(0x00170f74), SkBits2Float(0x3a7410d7), SkBits2Float(0x3a3a3a3a)); // 7.7508e+31f, 5.07713e+36f, 2.11776e-39f, 0.000931037f, 0.000710401f
path.quadTo(SkBits2Float(0x203a3a3a), SkBits2Float(0x7459f43a), SkBits2Float(0x74747474), SkBits2Float(0x2043ad6e)); // 1.57741e-19f, 6.90724e+31f, 7.74708e+31f, 1.65745e-19f
path.conicTo(SkBits2Float(0x7474b374), SkBits2Float(0x74747474), SkBits2Float(0x0f747c74), SkBits2Float(0xff537065), SkBits2Float(0x74744374)); // 7.75488e+31f, 7.74708e+31f, 1.20541e-29f, -2.81051e+38f, 7.74102e+31f
path.cubicTo(SkBits2Float(0x3a3a3a3a), SkBits2Float(0x3a2c103a), SkBits2Float(0x7474263a), SkBits2Float(0x74976507), SkBits2Float(0x000000ff), SkBits2Float(0x00000000)); // 0.000710401f, 0.00065637f, 7.7374e+31f, 9.59578e+31f, 3.57331e-43f, 0
testSimplifyFuzz(reporter, path, filename);
}
void SkBaseDevice::drawDRRect(const SkDraw& draw, const SkRRect& outer,
const SkRRect& inner, const SkPaint& paint) {
SkPath path;
path.addRRect(outer);
path.addRRect(inner);
path.setFillType(SkPath::kEvenOdd_FillType);
const SkMatrix* preMatrix = nullptr;
const bool pathIsMutable = true;
this->drawPath(draw, path, paint, preMatrix, pathIsMutable);
}
/**
* Called on a background thread. Here we can only modify fBackPaths.
*/
void runAnimationTask(double t, double dt, int w, int h) override {
const float tsec = static_cast<float>(t);
this->INHERITED::runAnimationTask(t, 0.5 * dt, w, h);
for (int i = 0; i < kNumPaths; ++i) {
const Glyph& glyph = fGlyphs[i];
const SkMatrix& backMatrix = fBackMatrices[i];
const Sk2f matrix[3] = {
Sk2f(backMatrix.getScaleX(), backMatrix.getSkewY()),
Sk2f(backMatrix.getSkewX(), backMatrix.getScaleY()),
Sk2f(backMatrix.getTranslateX(), backMatrix.getTranslateY())
};
SkPath* backpath = &fBackPaths[i];
backpath->reset();
backpath->setFillType(SkPath::kEvenOdd_FillType);
SkPath::RawIter iter(glyph.fPath);
SkPath::Verb verb;
SkPoint pts[4];
while ((verb = iter.next(pts)) != SkPath::kDone_Verb) {
switch (verb) {
case SkPath::kMove_Verb: {
SkPoint pt = fWaves.apply(tsec, matrix, pts[0]);
backpath->moveTo(pt.x(), pt.y());
break;
}
case SkPath::kLine_Verb: {
SkPoint endpt = fWaves.apply(tsec, matrix, pts[1]);
backpath->lineTo(endpt.x(), endpt.y());
break;
}
case SkPath::kQuad_Verb: {
SkPoint controlPt = fWaves.apply(tsec, matrix, pts[1]);
SkPoint endpt = fWaves.apply(tsec, matrix, pts[2]);
backpath->quadTo(controlPt.x(), controlPt.y(), endpt.x(), endpt.y());
break;
}
case SkPath::kClose_Verb: {
backpath->close();
break;
}
case SkPath::kCubic_Verb:
case SkPath::kConic_Verb:
case SkPath::kDone_Verb:
SK_ABORT("Unexpected path verb");
break;
}
}
}
}
void GraphicsContext::clipPath(WindRule clipRule)
{
if (paintingDisabled())
return;
SkPath path = platformContext()->currentPathInLocalCoordinates();
if (!isPathSkiaSafe(getCTM(), path))
return;
path.setFillType(clipRule == RULE_EVENODD ? SkPath::kEvenOdd_FillType : SkPath::kWinding_FillType);
platformContext()->clipPathAntiAliased(path);
}
static bool innerPathOp(skiatest::Reporter* reporter, const SkPath& a, const SkPath& b,
const SkPathOp shapeOp, const char* testName, bool threaded) {
#if DEBUG_SHOW_TEST_NAME
if (testName == NULL) {
SkDebugf("\n");
showPathData(a);
showOp(shapeOp);
showPathData(b);
} else {
SkPathOpsDebug::ShowPath(a, b, shapeOp, testName);
}
#endif
SkPath out;
if (!Op(a, b, shapeOp, &out) ) {
SkDebugf("%s did not expect failure\n", __FUNCTION__);
REPORTER_ASSERT(reporter, 0);
return false;
}
if (threaded && !reporter->verbose()) {
return true;
}
SkPath pathOut, scaledPathOut;
SkRegion rgnA, rgnB, openClip, rgnOut;
openClip.setRect(-16000, -16000, 16000, 16000);
rgnA.setPath(a, openClip);
rgnB.setPath(b, openClip);
rgnOut.op(rgnA, rgnB, (SkRegion::Op) shapeOp);
rgnOut.getBoundaryPath(&pathOut);
SkMatrix scale;
scaleMatrix(a, b, scale);
SkRegion scaledRgnA, scaledRgnB, scaledRgnOut;
SkPath scaledA, scaledB;
scaledA.addPath(a, scale);
scaledA.setFillType(a.getFillType());
scaledB.addPath(b, scale);
scaledB.setFillType(b.getFillType());
scaledRgnA.setPath(scaledA, openClip);
scaledRgnB.setPath(scaledB, openClip);
scaledRgnOut.op(scaledRgnA, scaledRgnB, (SkRegion::Op) shapeOp);
scaledRgnOut.getBoundaryPath(&scaledPathOut);
SkBitmap bitmap;
SkPath scaledOut;
scaledOut.addPath(out, scale);
scaledOut.setFillType(out.getFillType());
int result = comparePaths(reporter, pathOut, scaledPathOut, out, scaledOut, bitmap, a, b,
shapeOp, scale);
if (result && gPathStrAssert) {
REPORTER_ASSERT(reporter, 0);
}
reporter->bumpTestCount();
return result == 0;
}
DEF_TEST(SkOpBuilderFuzz665, reporter) {
SkPath path;
path.setFillType(SkPath::kEvenOdd_FillType);
path.moveTo(SkBits2Float(0xcc4264a7), SkBits2Float(0x4bb12e50)); // -5.0959e+07f, 2.32235e+07f
path.lineTo(SkBits2Float(0xcc4264b0), SkBits2Float(0x4bb12e48)); // -5.0959e+07f, 2.32234e+07f
path.lineTo(SkBits2Float(0xcc4264a7), SkBits2Float(0x4bb12e50)); // -5.0959e+07f, 2.32235e+07f
path.close();
SkPath path1(path);
path.reset();
path.setFillType(SkPath::kWinding_FillType);
path.moveTo(SkBits2Float(0x43213333), SkBits2Float(0x43080000)); // 161.2f, 136
path.lineTo(SkBits2Float(0x43038000), SkBits2Float(0x43080000)); // 131.5f, 136
path.cubicTo(SkBits2Float(0x43038000), SkBits2Float(0x42f00000), SkBits2Float(0x42f16666), SkBits2Float(0x42d53333), SkBits2Float(0x42d3cccd), SkBits2Float(0x42cd6666)); // 131.5f, 120, 120.7f, 106.6f, 105.9f, 102.7f
path.lineTo(SkBits2Float(0x42e33333), SkBits2Float(0x42940000)); // 113.6f, 74
SkPath path2(path);
SkOpBuilder builder;
builder.add(path1, kUnion_SkPathOp);
builder.add(path2, kUnion_SkPathOp);
SkPath result;
builder.resolve(&result);
}
AAClipRegionBench(void* param) : INHERITED(param) {
SkPath path;
// test conversion of a complex clip to a aaclip
path.addCircle(0, 0, SkIntToScalar(200));
path.addCircle(0, 0, SkIntToScalar(180));
// evenodd means we've constructed basically a stroked circle
path.setFillType(SkPath::kEvenOdd_FillType);
SkIRect bounds;
path.getBounds().roundOut(&bounds);
fRegion.setPath(path, SkRegion(bounds));
}
static bool innerPathOp(skiatest::Reporter* reporter, const SkPath& a, const SkPath& b,
const SkPathOp shapeOp, const char* testName, ExpectSuccess expectSuccess,
SkipAssert skipAssert, ExpectMatch expectMatch) {
#if 0 && DEBUG_SHOW_TEST_NAME
showName(a, b, shapeOp);
#endif
SkPath out;
if (!OpDebug(a, b, shapeOp, &out SkDEBUGPARAMS(SkipAssert::kYes == skipAssert)
SkDEBUGPARAMS(testName))) {
if (ExpectSuccess::kYes == expectSuccess) {
SkDebugf("%s %s did not expect failure\n", __FUNCTION__, testName);
REPORTER_ASSERT(reporter, 0);
}
return false;
} else {
if (ExpectSuccess::kNo == expectSuccess) {
SkDebugf("%s %s unexpected success\n", __FUNCTION__, testName);
REPORTER_ASSERT(reporter, 0);
}
}
if (!reporter->verbose()) {
return true;
}
SkPath pathOut, scaledPathOut;
SkRegion rgnA, rgnB, openClip, rgnOut;
openClip.setRect(-16000, -16000, 16000, 16000);
rgnA.setPath(a, openClip);
rgnB.setPath(b, openClip);
rgnOut.op(rgnA, rgnB, (SkRegion::Op) shapeOp);
rgnOut.getBoundaryPath(&pathOut);
SkMatrix scale;
scaleMatrix(a, b, scale);
SkRegion scaledRgnA, scaledRgnB, scaledRgnOut;
SkPath scaledA, scaledB;
scaledA.addPath(a, scale);
scaledA.setFillType(a.getFillType());
scaledB.addPath(b, scale);
scaledB.setFillType(b.getFillType());
scaledRgnA.setPath(scaledA, openClip);
scaledRgnB.setPath(scaledB, openClip);
scaledRgnOut.op(scaledRgnA, scaledRgnB, (SkRegion::Op) shapeOp);
scaledRgnOut.getBoundaryPath(&scaledPathOut);
SkBitmap bitmap;
SkPath scaledOut;
scaledOut.addPath(out, scale);
scaledOut.setFillType(out.getFillType());
int result = comparePaths(reporter, testName, pathOut, scaledPathOut, out, scaledOut, bitmap,
a, b, shapeOp, scale, ExpectMatch::kYes == expectMatch);
reporter->bumpTestCount();
return result == 0;
}