void SkDeferredCanvas::onDrawRRect(const SkRRect& rrect, const SkPaint& paint) {
SkRect modRect = rrect.getBounds();
this->flush_check(&modRect, &paint, kNoClip_Flag);
fCanvas->drawRRect(make_offset(rrect,
modRect.x() - rrect.getBounds().x(),
modRect.y() - rrect.getBounds().y()), paint);
}
void SkPictureRecord::drawRRect(const SkRRect& rrect, const SkPaint& paint) {
if (rrect.isRect()) {
addDraw(DRAW_RECT);
addPaint(paint);
addRect(rrect.getBounds());
} else if (rrect.isOval()) {
addDraw(DRAW_OVAL);
addPaint(paint);
addRect(rrect.getBounds());
} else {
addDraw(DRAW_RRECT);
addPaint(paint);
addRRect(rrect);
}
validate();
}
SkRect draw(SkCanvas* canvas, const SkPaint& paint) override {
SkRRect outerRRect;
outerRRect.setRectXY(SkRect::MakeXYWH(0, 0, 50, 50), 5, 5);
SkRRect innerRRect;
innerRRect.setRectXY(SkRect::MakeXYWH(5, 8, 35, 30), 8, 3);
canvas->drawDRRect(outerRRect, innerRRect, paint);
return outerRRect.getBounds();
}
bool SkPictureRecord::clipRRect(const SkRRect& rrect, SkRegion::Op op, bool doAA) {
if (rrect.isRect()) {
return this->SkPictureRecord::clipRect(rrect.getBounds(), op, doAA);
}
addDraw(CLIP_RRECT);
addRRect(rrect);
addInt(ClipParams_pack(op, doAA));
recordRestoreOffsetPlaceholder(op);
validate();
if (fRecordFlags & SkPicture::kUsePathBoundsForClip_RecordingFlag) {
return this->INHERITED::clipRect(rrect.getBounds(), op, doAA);
} else {
return this->INHERITED::clipRRect(rrect, op, doAA);
}
}
bool SkRasterClip::op(const SkRRect& rrect, const SkMatrix& matrix, const SkIRect& bounds,
SkRegion::Op op, bool doAA) {
if (fForceConservativeRects) {
return this->op(rrect.getBounds(), matrix, bounds, op, doAA);
}
SkPath path;
path.addRRect(rrect);
return this->op(path, matrix, bounds, op, doAA);
}
void draw(SkCanvas* canvas) {
SkPaint paint;
paint.setAntiAlias(true);
paint.setTextSize(16);
SkRRect rrect = SkRRect::MakeRectXY({30, 10, 100, 60}, 40, 30);
canvas->drawRRect(rrect, paint);
canvas->drawString(rrect.isOval() ? "oval" : "not oval", 64, 90, paint);
rrect.setRectXY(rrect.getBounds(), 35, 25);
canvas->translate(128, 0);
canvas->drawRRect(rrect, paint);
canvas->drawString(rrect.isOval() ? "oval" : "not oval", 64, 90, paint);
}
// The tallest inset rect
SkRect compute_tallest_occluder(const SkRRect& rr) {
const SkRect& r = rr.getBounds();
const SkVector& ul = rr.radii(SkRRect::kUpperLeft_Corner);
const SkVector& ur = rr.radii(SkRRect::kUpperRight_Corner);
const SkVector& lr = rr.radii(SkRRect::kLowerRight_Corner);
const SkVector& ll = rr.radii(SkRRect::kLowerLeft_Corner);
SkScalar maxL = SkTMax(ul.fX, ll.fX);
SkScalar maxR = SkTMax(ur.fX, lr.fX);
return SkRect::MakeLTRB(r.fLeft + maxL, r.fTop, r.fRight - maxR, r.fBottom);
}
// The widest inset rect
SkRect compute_widest_occluder(const SkRRect& rr) {
const SkRect& r = rr.getBounds();
const SkVector& ul = rr.radii(SkRRect::kUpperLeft_Corner);
const SkVector& ur = rr.radii(SkRRect::kUpperRight_Corner);
const SkVector& lr = rr.radii(SkRRect::kLowerRight_Corner);
const SkVector& ll = rr.radii(SkRRect::kLowerLeft_Corner);
SkScalar maxT = SkTMax(ul.fY, ur.fY);
SkScalar maxB = SkTMax(ll.fY, lr.fY);
return SkRect::MakeLTRB(r.fLeft, r.fTop + maxT, r.fRight, r.fBottom - maxB);
}
// Use the intersection of the corners' diagonals with their ellipses to shrink
// the bounding rect
SkRect compute_central_occluder(const SkRRect& rr) {
const SkRect r = rr.getBounds();
SkScalar newL = r.fLeft, newT = r.fTop, newR = r.fRight, newB = r.fBottom;
SkVector radii = rr.radii(SkRRect::kUpperLeft_Corner);
if (!radii.isZero()) {
SkPoint p = intersection(radii.fX, radii.fY);
newL = SkTMax(newL, r.fLeft + radii.fX - p.fX);
newT = SkTMax(newT, r.fTop + radii.fY - p.fY);
}
radii = rr.radii(SkRRect::kUpperRight_Corner);
if (!radii.isZero()) {
SkPoint p = intersection(radii.fX, radii.fY);
newR = SkTMin(newR, r.fRight + p.fX - radii.fX);
newT = SkTMax(newT, r.fTop + radii.fY - p.fY);
}
radii = rr.radii(SkRRect::kLowerRight_Corner);
if (!radii.isZero()) {
SkPoint p = intersection(radii.fX, radii.fY);
newR = SkTMin(newR, r.fRight + p.fX - radii.fX);
newB = SkTMin(newB, r.fBottom - radii.fY + p.fY);
}
radii = rr.radii(SkRRect::kLowerLeft_Corner);
if (!radii.isZero()) {
SkPoint p = intersection(radii.fX, radii.fY);
newL = SkTMax(newL, r.fLeft + radii.fX - p.fX);
newB = SkTMin(newB, r.fBottom - radii.fY + p.fY);
}
return SkRect::MakeLTRB(newL, newT, newR, newB);
}
static void toString(const SkRRect& rrect, SkString* str) {
SkRect r = rrect.getBounds();
str->appendf("[%g,%g %g:%g]",
SkScalarToFloat(r.fLeft), SkScalarToFloat(r.fTop),
SkScalarToFloat(r.width()), SkScalarToFloat(r.height()));
if (rrect.isOval()) {
str->append("()");
} else if (rrect.isSimple()) {
const SkVector& rad = rrect.getSimpleRadii();
str->appendf("(%g,%g)", rad.x(), rad.y());
} else if (rrect.isComplex()) {
SkVector radii[4] = {
rrect.radii(SkRRect::kUpperLeft_Corner),
rrect.radii(SkRRect::kUpperRight_Corner),
rrect.radii(SkRRect::kLowerRight_Corner),
rrect.radii(SkRRect::kLowerLeft_Corner),
};
str->appendf("(%g,%g %g,%g %g,%g %g,%g)",
radii[0].x(), radii[0].y(),
radii[1].x(), radii[1].y(),
radii[2].x(), radii[2].y(),
radii[3].x(), radii[3].y());
}
}
bool SkClipStack::quickContains(const SkRRect& rrect) const {
Iter iter(*this, Iter::kTop_IterStart);
const Element* element = iter.prev();
while (element != nullptr) {
if (SkRegion::kIntersect_Op != element->getOp() && SkRegion::kReplace_Op != element->getOp())
return false;
if (element->isInverseFilled()) {
// Part of 'rrect' could be trimmed off by the inverse-filled clip element
if (SkRect::Intersects(element->getBounds(), rrect.getBounds())) {
return false;
}
} else {
if (!element->contains(rrect)) {
return false;
}
}
if (SkRegion::kReplace_Op == element->getOp()) {
break;
}
element = iter.prev();
}
return true;
}
void SkRecorder::onClipRRect(const SkRRect& rrect, SkRegion::Op op, ClipEdgeStyle edgeStyle) {
APPEND(ClipRRect, rrect, op, edgeStyle == kSoft_ClipEdgeStyle);
INHERITED(updateClipConservativelyUsingBounds, rrect.getBounds(), op, false);
}
SkRect draw(SkCanvas* canvas, const SkPaint& paint) override {
SkRRect rrect;
rrect.setRectXY(SkRect::MakeXYWH(0, 0, 50, 50), 10, 10);
canvas->drawRRect(rrect, paint);
return rrect.getBounds();
}
std::unique_ptr<GrFragmentProcessor> GrRRectEffect::Make(GrClipEdgeType edgeType,
const SkRRect& rrect,
const GrShaderCaps& caps) {
if (rrect.isRect()) {
return GrConvexPolyEffect::Make(edgeType, rrect.getBounds());
}
if (rrect.isOval()) {
return GrOvalEffect::Make(edgeType, rrect.getBounds(), caps);
}
if (rrect.isSimple()) {
if (SkRRectPriv::GetSimpleRadii(rrect).fX < kRadiusMin ||
SkRRectPriv::GetSimpleRadii(rrect).fY < kRadiusMin) {
// In this case the corners are extremely close to rectangular and we collapse the
// clip to a rectangular clip.
return GrConvexPolyEffect::Make(edgeType, rrect.getBounds());
}
if (SkRRectPriv::GetSimpleRadii(rrect).fX == SkRRectPriv::GetSimpleRadii(rrect).fY) {
return CircularRRectEffect::Make(edgeType, CircularRRectEffect::kAll_CornerFlags,
rrect);
} else {
return EllipticalRRectEffect::Make(edgeType, rrect);
}
}
if (rrect.isComplex() || rrect.isNinePatch()) {
// Check for the "tab" cases - two adjacent circular corners and two square corners.
SkScalar circularRadius = 0;
uint32_t cornerFlags = 0;
SkVector radii[4];
bool squashedRadii = false;
for (int c = 0; c < 4; ++c) {
radii[c] = rrect.radii((SkRRect::Corner)c);
SkASSERT((0 == radii[c].fX) == (0 == radii[c].fY));
if (0 == radii[c].fX) {
// The corner is square, so no need to squash or flag as circular.
continue;
}
if (radii[c].fX < kRadiusMin || radii[c].fY < kRadiusMin) {
radii[c].set(0, 0);
squashedRadii = true;
continue;
}
if (radii[c].fX != radii[c].fY) {
cornerFlags = ~0U;
break;
}
if (!cornerFlags) {
circularRadius = radii[c].fX;
cornerFlags = 1 << c;
} else {
if (radii[c].fX != circularRadius) {
cornerFlags = ~0U;
break;
}
cornerFlags |= 1 << c;
}
}
switch (cornerFlags) {
case CircularRRectEffect::kAll_CornerFlags:
// This rrect should have been caught in the simple case above. Though, it would
// be correctly handled in the fallthrough code.
SkASSERT(false);
case CircularRRectEffect::kTopLeft_CornerFlag:
case CircularRRectEffect::kTopRight_CornerFlag:
case CircularRRectEffect::kBottomRight_CornerFlag:
case CircularRRectEffect::kBottomLeft_CornerFlag:
case CircularRRectEffect::kLeft_CornerFlags:
case CircularRRectEffect::kTop_CornerFlags:
case CircularRRectEffect::kRight_CornerFlags:
case CircularRRectEffect::kBottom_CornerFlags: {
SkTCopyOnFirstWrite<SkRRect> rr(rrect);
if (squashedRadii) {
rr.writable()->setRectRadii(rrect.getBounds(), radii);
}
return CircularRRectEffect::Make(edgeType, cornerFlags, *rr);
}
case CircularRRectEffect::kNone_CornerFlags:
return GrConvexPolyEffect::Make(edgeType, rrect.getBounds());
default: {
if (squashedRadii) {
// If we got here then we squashed some but not all the radii to zero. (If all
// had been squashed cornerFlags would be 0.) The elliptical effect doesn't
// support some rounded and some square corners.
return nullptr;
}
if (rrect.isNinePatch()) {
return EllipticalRRectEffect::Make(edgeType, rrect);
}
return nullptr;
}
}
}
return nullptr;
}
void GrTextBlob::flush(GrTextTarget* target, const SkSurfaceProps& props,
const GrDistanceFieldAdjustTable* distanceAdjustTable,
const SkPaint& paint, GrColor filteredColor, const GrClip& clip,
const SkMatrix& viewMatrix, SkScalar x, SkScalar y) {
// GrTextBlob::makeOp only takes uint16_t values for run and subRun indices.
// Encountering something larger than this is highly unlikely, so we'll just not draw it.
int lastRun = SkTMin(fRunCount, (1 << 16)) - 1;
// For each run in the GrTextBlob we're going to churn through all the glyphs.
// Each run is broken into a path part and a Mask / DFT / ARGB part.
for (int runIndex = 0; runIndex <= lastRun; runIndex++) {
Run& run = fRuns[runIndex];
// first flush any path glyphs
if (run.fPathGlyphs.count()) {
SkPaint runPaint{paint};
runPaint.setFlags((runPaint.getFlags() & ~Run::kPaintFlagsMask) | run.fPaintFlags);
for (int i = 0; i < run.fPathGlyphs.count(); i++) {
GrTextBlob::Run::PathGlyph& pathGlyph = run.fPathGlyphs[i];
SkMatrix ctm;
const SkPath* path = &pathGlyph.fPath;
// TmpPath must be in the same scope as GrShape shape below.
SkTLazy<SkPath> tmpPath;
// The glyph positions and glyph outlines are either in device space or in source
// space based on fPreTransformed.
if (!pathGlyph.fPreTransformed) {
// Positions and outlines are in source space.
ctm = viewMatrix;
SkMatrix pathMatrix = SkMatrix::MakeScale(pathGlyph.fScale, pathGlyph.fScale);
// The origin for the blob may have changed, so figure out the delta.
SkVector originShift = SkPoint{x, y} - SkPoint{fInitialX, fInitialY};
// Shift the original glyph location in source space to the position of the new
// blob.
pathMatrix.postTranslate(originShift.x() + pathGlyph.fX,
originShift.y() + pathGlyph.fY);
// If there are shaders, blurs or styles, the path must be scaled into source
// space independently of the CTM. This allows the CTM to be correct for the
// different effects.
GrStyle style(runPaint);
bool scalePath = runPaint.getShader()
|| style.applies()
|| runPaint.getMaskFilter();
if (!scalePath) {
// Scale can be applied to CTM -- no effects.
ctm.preConcat(pathMatrix);
} else {
// Scale the outline into source space.
// Transform the path form the normalized outline to source space. This
// way the CTM will remain the same so it can be used by the effects.
SkPath* sourceOutline = tmpPath.init();
path->transform(pathMatrix, sourceOutline);
sourceOutline->setIsVolatile(true);
path = sourceOutline;
}
} else {
// Positions and outlines are in device space.
SkPoint originalOrigin = {fInitialX, fInitialY};
fInitialViewMatrix.mapPoints(&originalOrigin, 1);
SkPoint newOrigin = {x, y};
viewMatrix.mapPoints(&newOrigin, 1);
// The origin shift in device space.
SkPoint originShift = newOrigin - originalOrigin;
// Shift the original glyph location in device space to the position of the
// new blob.
ctm = SkMatrix::MakeTrans(originShift.x() + pathGlyph.fX,
originShift.y() + pathGlyph.fY);
}
// TODO: we are losing the mutability of the path here
GrShape shape(*path, paint);
target->drawShape(clip, runPaint, ctm, shape);
}
}
// then flush each subrun, if any
if (!run.fInitialized) {
continue;
}
int lastSubRun = SkTMin(run.fSubRunInfo.count(), 1 << 16) - 1;
for (int subRun = 0; subRun <= lastSubRun; subRun++) {
const Run::SubRunInfo& info = run.fSubRunInfo[subRun];
int glyphCount = info.glyphCount();
if (0 == glyphCount) {
continue;
}
bool skipClip = false;
bool submitOp = true;
SkIRect clipRect = SkIRect::MakeEmpty();
SkRect rtBounds = SkRect::MakeWH(target->width(), target->height());
SkRRect clipRRect;
GrAA aa;
// We can clip geometrically if we're not using SDFs or transformed glyphs,
// and we have an axis-aligned rectangular non-AA clip
if (!info.drawAsDistanceFields() && !info.needsTransform() &&
clip.isRRect(rtBounds, &clipRRect, &aa) &&
clipRRect.isRect() && GrAA::kNo == aa) {
skipClip = true;
// We only need to do clipping work if the subrun isn't contained by the clip
SkRect subRunBounds;
this->computeSubRunBounds(&subRunBounds, runIndex, subRun, viewMatrix, x, y,
false);
if (!clipRRect.getBounds().contains(subRunBounds)) {
// If the subrun is completely outside, don't add an op for it
if (!clipRRect.getBounds().intersects(subRunBounds)) {
submitOp = false;
}
else {
clipRRect.getBounds().round(&clipRect);
}
}
}
if (submitOp) {
auto op = this->makeOp(info, glyphCount, runIndex, subRun, viewMatrix, x, y,
clipRect, paint, filteredColor, props, distanceAdjustTable,
target);
if (op) {
if (skipClip) {
target->addDrawOp(GrNoClip(), std::move(op));
}
else {
target->addDrawOp(clip, std::move(op));
}
}
}
}
}
}
void SkConservativeClip::opRRect(const SkRRect& rrect, const SkMatrix& ctm,
const SkIRect& devBounds, SkRegion::Op op, bool doAA) {
this->opRect(rrect.getBounds(), ctm, devBounds, op, doAA);
}
