Cleanup: Change extension .cpp to .cc

1 files changed, 100 insertions, 0 deletions

diff --git a/source/blender/compositor/operations/COM_CalculateStandardDeviationOperation.cc b/source/blender/compositor/operations/COM_CalculateStandardDeviationOperation.cc
new file mode 100644
index 00000000000..9a1e48177ed
--- /dev/null
+++ b/source/blender/compositor/operations/COM_CalculateStandardDeviationOperation.cc
@@ -0,0 +1,100 @@
+/*
+ * 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_CalculateStandardDeviationOperation.h"
+#include "BLI_math.h"
+#include "BLI_utildefines.h"
+
+#include "IMB_colormanagement.h"
+
+CalculateStandardDeviationOperation::CalculateStandardDeviationOperation()
+{
+  /* pass */
+}
+
+void CalculateStandardDeviationOperation::executePixel(float output[4],
+                                                       int /*x*/,
+                                                       int /*y*/,
+                                                       void * /*data*/)
+{
+  output[0] = this->m_standardDeviation;
+}
+
+void *CalculateStandardDeviationOperation::initializeTileData(rcti *rect)
+{
+  lockMutex();
+  if (!this->m_iscalculated) {
+    MemoryBuffer *tile = (MemoryBuffer *)this->m_imageReader->initializeTileData(rect);
+    CalculateMeanOperation::calculateMean(tile);
+    this->m_standardDeviation = 0.0f;
+    float *buffer = tile->getBuffer();
+    int size = tile->getWidth() * tile->getHeight();
+    int pixels = 0;
+    float sum = 0.0f;
+    float mean = this->m_result;
+    for (int i = 0, offset = 0; i < size; i++, offset += 4) {
+      if (buffer[offset + 3] > 0) {
+        pixels++;
+
+        switch (this->m_setting) {
+          case 1: /* rgb combined */
+          {
+            float value = IMB_colormanagement_get_luminance(&buffer[offset]);
+            sum += (value - mean) * (value - mean);
+            break;
+          }
+          case 2: /* red */
+          {
+            float value = buffer[offset];
+            sum += (value - mean) * (value - mean);
+            break;
+          }
+          case 3: /* green */
+          {
+            float value = buffer[offset + 1];
+            sum += (value - mean) * (value - mean);
+            break;
+          }
+          case 4: /* blue */
+          {
+            float value = buffer[offset + 2];
+            sum += (value - mean) * (value - mean);
+            break;
+          }
+          case 5: /* luminance */
+          {
+            float yuv[3];
+            rgb_to_yuv(buffer[offset],
+                       buffer[offset + 1],
+                       buffer[offset + 2],
+                       &yuv[0],
+                       &yuv[1],
+                       &yuv[2],
+                       BLI_YUV_ITU_BT709);
+            sum += (yuv[0] - mean) * (yuv[0] - mean);
+            break;
+          }
+        }
+      }
+    }
+    this->m_standardDeviation = sqrt(sum / (float)(pixels - 1));
+    this->m_iscalculated = true;
+  }
+  unlockMutex();
+  return nullptr;
+}