SkPoint drawSet(SkCanvas* canvas, const ImageSet& set, const SkPaint& paint) const {
SkASSERT(set.fImages.count() == set.fScales.count());
SkPoint pt = SkPoint::Make(0, 0);
for (int i = 0; i < set.fImages.count(); ++i) {
auto& img = set.fImages[i];
const SkRect dst =
SkRect::MakeXYWH(pt.x(), pt.y(),
img->width() * (1 + (set.fScales[i] - 1) * set.fVector.x()),
img->height() * (1 + (set.fScales[i] - 1) * set.fVector.y()));
canvas->drawImageRect(img.get(), dst, &paint);
pt.offset(dst.width() * set.fVector.x(), dst.height() * set.fVector.y());
}
return pt;
}
