From 5f8de423f190bbb79a62f804151bc24824fa32d8 Mon Sep 17 00:00:00 2001 From: "Matt A. Tobin" Date: Fri, 2 Feb 2018 04:16:08 -0500 Subject: Add m-esr52 at 52.6.0 --- gfx/2d/StackArray.h | 30 ++++++++++++++++++++++++++++++ 1 file changed, 30 insertions(+) create mode 100644 gfx/2d/StackArray.h (limited to 'gfx/2d/StackArray.h') diff --git a/gfx/2d/StackArray.h b/gfx/2d/StackArray.h new file mode 100644 index 000000000..a2451f930 --- /dev/null +++ b/gfx/2d/StackArray.h @@ -0,0 +1,30 @@ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +/* A handy class that will allocate data for size*T objects on the stack and + * otherwise allocate them on the heap. It is similar in purpose to AutoTArray */ + +template +class StackArray +{ +public: + StackArray(size_t count) { + if (count > size) { + mData = new T[count]; + } else { + mData = mStackData; + } + } + ~StackArray() { + if (mData != mStackData) { + delete[] mData; + } + } + T& operator[](size_t n) { return mData[n]; } + const T& operator[](size_t n) const { return mData[n]; } + T* data() { return mData; }; +private: + T mStackData[size]; + T* mData; +}; -- cgit v1.2.3