various: encapsulate all code in the olive namespace to avoid name collisions

Large-scale code cleanup. Also adds a license to the top of all files that were
missing it.

app/widget/colorwheel/colorgradientwidget.cpp

@@ -1,3 +1,23 @@
+/***
+
+  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 "colorgradientwidget.h"
 
 #include <QPainter>
@@ -6,6 +26,8 @@
 #include "common/lerp.h"
 #include "node/node.h"
 
+OLIVE_NAMESPACE_ENTER
+
 ColorGradientWidget::ColorGradientWidget(Qt::Orientation orientation, QWidget *parent) :
   ColorSwatchWidget(parent),
   orientation_(orientation),
@@ -81,3 +103,5 @@ Color ColorGradientWidget::LerpColor(const Color &a, const Color &b, int i, int
                lerp(a.green(), b.green(), t),
                lerp(a.blue(), b.blue(), t));
 }
+
+OLIVE_NAMESPACE_EXIT

app/widget/colorwheel/colorgradientwidget.h

@@ -1,9 +1,31 @@
+/***
+
+  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/>.
+
+***/
+
 #ifndef COLORGRADIENTGLWIDGET_H
 #define COLORGRADIENTGLWIDGET_H
 
 #include "colorswatchwidget.h"
 #include "render/color.h"
 
+OLIVE_NAMESPACE_ENTER
+
 class ColorGradientWidget : public ColorSwatchWidget
 {
   Q_OBJECT
@@ -32,4 +54,6 @@ private:
 
 };
 
+OLIVE_NAMESPACE_EXIT
+
 #endif // COLORGRADIENTGLWIDGET_H

app/widget/colorwheel/colorswatchwidget.cpp

@@ -1,9 +1,31 @@
+/***
+
+  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 "colorswatchwidget.h"
 
 #include <QMouseEvent>
 
 #include "render/backend/opengl/openglrenderfunctions.h"
 
+OLIVE_NAMESPACE_ENTER
+
 ColorSwatchWidget::ColorSwatchWidget(QWidget *parent) :
   QWidget(parent),
   to_linear_processor_(nullptr),
@@ -79,3 +101,5 @@ void ColorSwatchWidget::SetSelectedColorInternal(const Color &c, bool external)
   SelectedColorChangedEvent(c, external);
   update();
 }
+
+OLIVE_NAMESPACE_EXIT

app/widget/colorwheel/colorswatchwidget.h

@@ -1,3 +1,23 @@
+/***
+
+  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/>.
+
+***/
+
 #ifndef COLORSWATCHWIDGET_H
 #define COLORSWATCHWIDGET_H
 
@@ -7,6 +27,8 @@
 #include "render/color.h"
 #include "render/colorprocessor.h"
 
+OLIVE_NAMESPACE_ENTER
+
 class ColorSwatchWidget : public QWidget
 {
   Q_OBJECT
@@ -47,4 +69,6 @@ private:
 
 };
 
+OLIVE_NAMESPACE_EXIT
+
 #endif // COLORSWATCHWIDGET_H

app/widget/colorwheel/colorwheelwidget.cpp

@@ -1,3 +1,23 @@
+/***
+
+  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 "colorwheelwidget.h"
 
 #include <QPainter>
@@ -5,6 +25,8 @@
 
 #include "node/node.h"
 
+OLIVE_NAMESPACE_ENTER
+
 #define M_180_OVER_PI 57.295791433133264917914229473464
 #define M_RADIAN_TO_0_1 0.15915497620314795810531730409296
 
@@ -152,3 +174,5 @@ QPoint ColorWheelWidget::GetCoordsFromColor(const Color &c) const
 
   return pos;
 }
+
+OLIVE_NAMESPACE_EXIT

app/widget/colorwheel/colorwheelwidget.h

@@ -1,3 +1,23 @@
+/***
+
+  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/>.
+
+***/
+
 #ifndef COLORWHEELWIDGET_H
 #define COLORWHEELWIDGET_H
 
@@ -7,6 +27,8 @@
 #include "render/backend/opengl/openglshader.h"
 #include "render/color.h"
 
+OLIVE_NAMESPACE_ENTER
+
 class ColorWheelWidget : public ColorSwatchWidget
 {
   Q_OBJECT
@@ -50,4 +72,6 @@ private:
 
 };
 
+OLIVE_NAMESPACE_EXIT
+
 #endif // COLORWHEELWIDGET_H