1 files changed, 59 insertions, 0 deletions
diff --git a/source/blender/compositor/operations/COM_MapValueOperation.cc b/source/blender/compositor/operations/COM_MapValueOperation.cc
new file mode 100644
index 00000000000..7f2044b9139
--- /dev/null
+++ b/source/blender/compositor/operations/COM_MapValueOperation.cc
@@ -0,0 +1,59 @@
+/*
+ * 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_MapValueOperation.h"
+
+MapValueOperation::MapValueOperation()
+{
+  this->addInputSocket(COM_DT_VALUE);
+  this->addOutputSocket(COM_DT_VALUE);
+  this->m_inputOperation = nullptr;
+}
+
+void MapValueOperation::initExecution()
+{
+  this->m_inputOperation = this->getInputSocketReader(0);
+}
+
+void MapValueOperation::executePixelSampled(float output[4],
+                                            float x,
+                                            float y,
+                                            PixelSampler sampler)
+{
+  float src[4];
+  this->m_inputOperation->readSampled(src, x, y, sampler);
+  TexMapping *texmap = this->m_settings;
+  float value = (src[0] + texmap->loc[0]) * texmap->size[0];
+  if (texmap->flag & TEXMAP_CLIP_MIN) {
+    if (value < texmap->min[0]) {
+      value = texmap->min[0];
+    }
+  }
+  if (texmap->flag & TEXMAP_CLIP_MAX) {
+    if (value > texmap->max[0]) {
+      value = texmap->max[0];
+    }
+  }
+
+  output[0] = value;
+}
+
+void MapValueOperation::deinitExecution()
+{
+  this->m_inputOperation = nullptr;
+}