Move SkiaCanvas::Clip above SkiaCanvas::SkiaCanvas

After upgrading libc++, there are errors complaining about the the
incomplete Clip type in the "std::vector<Clip> mClipStack" member of
SkiaCanvas. The "SkiaCanvas::SkiaCanvas() {}" ctor can call ~vector
(maybe when an exception is thrown), and ~vector needs to know the size
of Clip.

(I'm not sure why this wasn't a problem before, but this seems to fix
the problem.)

Bug: http://b/175635923
Test: treehugger
Change-Id: I1d689c91be3b0530272836eeb727709ff1084545
This commit is contained in:
Ryan Prichard
2022-08-26 20:53:33 -07:00
parent e648d3cb91
commit 3997155120

View File

@@ -51,6 +51,49 @@ namespace android {
using uirenderer::PaintUtils;
class SkiaCanvas::Clip {
public:
Clip(const SkRect& rect, SkClipOp op, const SkMatrix& m)
: mType(Type::Rect), mOp(op), mMatrix(m), mRRect(SkRRect::MakeRect(rect)) {}
Clip(const SkRRect& rrect, SkClipOp op, const SkMatrix& m)
: mType(Type::RRect), mOp(op), mMatrix(m), mRRect(rrect) {}
Clip(const SkPath& path, SkClipOp op, const SkMatrix& m)
: mType(Type::Path), mOp(op), mMatrix(m), mPath(std::in_place, path) {}
void apply(SkCanvas* canvas) const {
canvas->setMatrix(mMatrix);
switch (mType) {
case Type::Rect:
// Don't anti-alias rectangular clips
canvas->clipRect(mRRect.rect(), mOp, false);
break;
case Type::RRect:
// Ensure rounded rectangular clips are anti-aliased
canvas->clipRRect(mRRect, mOp, true);
break;
case Type::Path:
// Ensure path clips are anti-aliased
canvas->clipPath(mPath.value(), mOp, true);
break;
}
}
private:
enum class Type {
Rect,
RRect,
Path,
};
Type mType;
SkClipOp mOp;
SkMatrix mMatrix;
// These are logically a union (tracked separately due to non-POD path).
std::optional<SkPath> mPath;
SkRRect mRRect;
};
Canvas* Canvas::create_canvas(const SkBitmap& bitmap) {
return new SkiaCanvas(bitmap);
}
@@ -194,49 +237,6 @@ void SkiaCanvas::restoreUnclippedLayer(int restoreCount, const Paint& paint) {
}
}
class SkiaCanvas::Clip {
public:
Clip(const SkRect& rect, SkClipOp op, const SkMatrix& m)
: mType(Type::Rect), mOp(op), mMatrix(m), mRRect(SkRRect::MakeRect(rect)) {}
Clip(const SkRRect& rrect, SkClipOp op, const SkMatrix& m)
: mType(Type::RRect), mOp(op), mMatrix(m), mRRect(rrect) {}
Clip(const SkPath& path, SkClipOp op, const SkMatrix& m)
: mType(Type::Path), mOp(op), mMatrix(m), mPath(std::in_place, path) {}
void apply(SkCanvas* canvas) const {
canvas->setMatrix(mMatrix);
switch (mType) {
case Type::Rect:
// Don't anti-alias rectangular clips
canvas->clipRect(mRRect.rect(), mOp, false);
break;
case Type::RRect:
// Ensure rounded rectangular clips are anti-aliased
canvas->clipRRect(mRRect, mOp, true);
break;
case Type::Path:
// Ensure path clips are anti-aliased
canvas->clipPath(mPath.value(), mOp, true);
break;
}
}
private:
enum class Type {
Rect,
RRect,
Path,
};
Type mType;
SkClipOp mOp;
SkMatrix mMatrix;
// These are logically a union (tracked separately due to non-POD path).
std::optional<SkPath> mPath;
SkRRect mRRect;
};
const SkiaCanvas::SaveRec* SkiaCanvas::currentSaveRec() const {
const SaveRec* rec = mSaveStack ? static_cast<const SaveRec*>(mSaveStack->back()) : nullptr;
int currentSaveCount = mCanvas->getSaveCount();