1 files changed, 69 insertions, 0 deletions
diff --git a/source/blender/compositor/operations/COM_PlaneTrackMaskOperation.cpp b/source/blender/compositor/operations/COM_PlaneTrackMaskOperation.cpp
new file mode 100644
index 00000000000..fe794cb769f
--- /dev/null
+++ b/source/blender/compositor/operations/COM_PlaneTrackMaskOperation.cpp
@@ -0,0 +1,69 @@
+/*
+ * Copyright 2013, Blender Foundation.
+ *
+ * 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.
+ *
+ * Contributor:
+ *		Sergey Sharybin
+ */
+
+#include "COM_PlaneTrackMaskOperation.h"
+
+#include "MEM_guardedalloc.h"
+
+#include "BLI_listbase.h"
+#include "BLI_math.h"
+#include "BLI_math_color.h"
+
+extern "C" {
+	#include "BLI_jitter.h"
+
+	#include "BKE_movieclip.h"
+	#include "BKE_node.h"
+	#include "BKE_tracking.h"
+}
+
+PlaneTrackMaskOperation::PlaneTrackMaskOperation() : PlaneTrackCommonOperation()
+{
+	this->addOutputSocket(COM_DT_VALUE);
+}
+
+void PlaneTrackMaskOperation::initExecution()
+{
+	PlaneTrackCommonOperation::initExecution();
+
+	const int osa = 8;
+	this->m_osa = osa;
+	BLI_jitter_init(this->m_jitter[0], osa);
+}
+
+void PlaneTrackMaskOperation::executePixel(float output[4], float x, float y, PixelSampler sampler)
+{
+	float point[2];
+
+	int inside_counter = 0;
+	for (int sample = 0; sample < this->m_osa; sample++) {
+		point[0] = x + this->m_jitter[sample][0];
+		point[1] = y + this->m_jitter[sample][1];
+
+		if (isect_point_tri_v2(point, this->m_frameSpaceCorners[0], this->m_frameSpaceCorners[1], this->m_frameSpaceCorners[2]) ||
+		    isect_point_tri_v2(point, this->m_frameSpaceCorners[0], this->m_frameSpaceCorners[2], this->m_frameSpaceCorners[3]))
+		{
+			inside_counter++;
+		}
+	}
+
+	output[0] = (float) inside_counter / this->m_osa;
+}