1 files changed, 72 insertions, 0 deletions
diff --git a/source/blender/compositor/operations/COM_HueSaturationValueCorrectOperation.cc b/source/blender/compositor/operations/COM_HueSaturationValueCorrectOperation.cc
new file mode 100644
index 00000000000..df30e75cf27
--- /dev/null
+++ b/source/blender/compositor/operations/COM_HueSaturationValueCorrectOperation.cc
@@ -0,0 +1,72 @@
+/*
+ * 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_HueSaturationValueCorrectOperation.h"
+
+#include "BLI_math.h"
+
+#include "BKE_colortools.h"
+
+HueSaturationValueCorrectOperation::HueSaturationValueCorrectOperation()
+{
+  this->addInputSocket(COM_DT_COLOR);
+  this->addOutputSocket(COM_DT_COLOR);
+
+  this->m_inputProgram = nullptr;
+}
+void HueSaturationValueCorrectOperation::initExecution()
+{
+  CurveBaseOperation::initExecution();
+  this->m_inputProgram = this->getInputSocketReader(0);
+}
+
+void HueSaturationValueCorrectOperation::executePixelSampled(float output[4],
+                                                             float x,
+                                                             float y,
+                                                             PixelSampler sampler)
+{
+  float hsv[4], f;
+
+  this->m_inputProgram->readSampled(hsv, x, y, sampler);
+
+  /* adjust hue, scaling returned default 0.5 up to 1 */
+  f = BKE_curvemapping_evaluateF(this->m_curveMapping, 0, hsv[0]);
+  hsv[0] += f - 0.5f;
+
+  /* adjust saturation, scaling returned default 0.5 up to 1 */
+  f = BKE_curvemapping_evaluateF(this->m_curveMapping, 1, hsv[0]);
+  hsv[1] *= (f * 2.0f);
+
+  /* adjust value, scaling returned default 0.5 up to 1 */
+  f = BKE_curvemapping_evaluateF(this->m_curveMapping, 2, hsv[0]);
+  hsv[2] *= (f * 2.0f);
+
+  hsv[0] = hsv[0] - floorf(hsv[0]); /* mod 1.0 */
+  CLAMP(hsv[1], 0.0f, 1.0f);
+
+  output[0] = hsv[0];
+  output[1] = hsv[1];
+  output[2] = hsv[2];
+  output[3] = hsv[3];
+}
+
+void HueSaturationValueCorrectOperation::deinitExecution()
+{
+  CurveBaseOperation::deinitExecution();
+  this->m_inputProgram = nullptr;
+}