147         auto surf(ToolUtils::makeSurface(canvas, info, nullptr));  in onDraw()  local
148         drawInto(surf->getCanvas());  in onDraw()
150         sk_sp<SkImage> image(surf->makeImageSnapshot());  in onDraw()
153         auto surf2(surf->makeSurface(info));  in onDraw()
157         SkASSERT(equal(surf->props(), surf2->props()));  in onDraw()
172     sk_sp<SkSurface>  surf = ToolUtils::makeSurface(canvas, info);  variable
174     surf->getCanvas()->clear(SK_ColorRED);
177     sk_sp<SkImage> image = surf->makeImageSnapshot();
181     surf->getCanvas()->clipRect(SkRect::MakeWH(128, 256));
182     surf->getCanvas()->clear(SK_ColorBLUE);
185     canvas->drawImage(surf->makeImageSnapshot(), 0, 0, nullptr);
190     sk_sp<SkSurface>  surf = ToolUtils::makeSurface(canvas, info);  variable
191     surf->getCanvas()->clear(SK_ColorRED);
194     sk_sp<SkImage> image = surf->makeImageSnapshot();
201     surf->getCanvas()->saveLayer({0, 0, 256, 256}, &paint);
202     surf->getCanvas()->clear(SK_ColorBLUE);
203     surf->getCanvas()->restore();
206     canvas->drawImage(surf->makeImageSnapshot(), 0, 0, nullptr);
211     auto        surf = ToolUtils::makeSurface(canvas, info);  variable
222         surf->getCanvas()->drawPaint(paint);
226     sk_sp<SkImage> saveImg = surf->makeImageSnapshot(subset);
230         surf->getCanvas()->drawRect(SkRect::Make(subset), paint);
239             surf->getCanvas()->drawRect(r, paint);
252         surf->getCanvas()->drawRect(SkRect::Make(subset), paint);
259         surf->getCanvas()->drawImage(saveImg,
265    surf->draw(canvas, 0, 0, nullptr);