began draft of internal node rendering structure

app/render/memorybuffer.cpp

@@ -0,0 +1,59 @@
+/***
+
+  Olive - Non-Linear Video Editor
+  Copyright (C) 2019 Olive Team
+
+  This program is free software: you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation, either version 3 of the License, or
+  (at your option) any later version.
+
+  This program is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+***/
+
+#include "memorybuffer.h"
+
+MemoryBuffer::MemoryBuffer()
+{
+}
+
+void MemoryBuffer::Create(int width, int height, const olive::PixelFormat &format)
+{
+  width_ = width;
+  height_ = height;
+  format_ = format;
+
+  data_.resize(PixelService::GetBufferSize(format, width, height));
+}
+
+const int &MemoryBuffer::width() const
+{
+  return width_;
+}
+
+const int &MemoryBuffer::height() const
+{
+  return height_;
+}
+
+const olive::PixelFormat &MemoryBuffer::format() const
+{
+  return format_;
+}
+
+uint8_t *MemoryBuffer::data()
+{
+  return data_.data();
+}
+
+const uint8_t *MemoryBuffer::const_data() const
+{
+  return data_.constData();
+}