https://cobalt.googlesource.com/cobalt/+/e83fce97d7405b0b5e569d961aa431b1112ac6ac/src/third_party/skia/docs/examples/Matrix_mapRectScaleTranslate.cpp?autodive=0%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F
src/third_party/skia/docs/examples/Matrix_mapRectScaleTranslate.cpp - cobalt - Git at Google