1 files changed, 55 insertions, 0 deletions
diff --git a/source/blender/compositor/operations/COM_CurveBaseOperation.cc b/source/blender/compositor/operations/COM_CurveBaseOperation.cc
new file mode 100644
index 00000000000..b58efcf0cca
--- /dev/null
+++ b/source/blender/compositor/operations/COM_CurveBaseOperation.cc
@@ -0,0 +1,55 @@
+/*
+ * 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 2
+ * 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, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * Copyright 2011, Blender Foundation.
+ */
+
+#include "COM_CurveBaseOperation.h"
+
+#include "BKE_colortools.h"
+
+CurveBaseOperation::CurveBaseOperation()
+{
+  this->m_curveMapping = nullptr;
+}
+
+CurveBaseOperation::~CurveBaseOperation()
+{
+  if (this->m_curveMapping) {
+    BKE_curvemapping_free(this->m_curveMapping);
+    this->m_curveMapping = nullptr;
+  }
+}
+
+void CurveBaseOperation::initExecution()
+{
+  BKE_curvemapping_init(this->m_curveMapping);
+}
+void CurveBaseOperation::deinitExecution()
+{
+  if (this->m_curveMapping) {
+    BKE_curvemapping_free(this->m_curveMapping);
+    this->m_curveMapping = nullptr;
+  }
+}
+
+void CurveBaseOperation::setCurveMapping(CurveMapping *mapping)
+{
+  /* duplicate the curve to avoid glitches while drawing, see bug T32374. */
+  if (this->m_curveMapping) {
+    BKE_curvemapping_free(this->m_curveMapping);
+  }
+  this->m_curveMapping = BKE_curvemapping_copy(mapping);
+}