1 files changed, 96 insertions, 0 deletions
diff --git a/source/blender/compositor/operations/COM_MultilayerImageOperation.cpp b/source/blender/compositor/operations/COM_MultilayerImageOperation.cpp
new file mode 100644
index 00000000000..53b71ed528e
--- /dev/null
+++ b/source/blender/compositor/operations/COM_MultilayerImageOperation.cpp
@@ -0,0 +1,96 @@
+/*
+ * Copyright 2011, 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: 
+ *		Jeroen Bakker 
+ *		Monique Dewanchand
+ *		Lukas Tönne
+ */
+
+#include "COM_MultilayerImageOperation.h"
+extern "C" {
+	#include "IMB_imbuf.h"
+	#include "IMB_imbuf_types.h"
+}
+
+MultilayerBaseOperation::MultilayerBaseOperation(int pass): BaseImageOperation() {
+	this->passId = pass;
+}
+ImBuf* MultilayerBaseOperation::getImBuf() {
+	RenderPass *rpass;
+	rpass = (RenderPass *)BLI_findlink(&this->renderlayer->passes, this->passId);
+	if(rpass) {
+		this->imageUser->pass= this->passId;
+		BKE_image_multilayer_index(image->rr, this->imageUser);
+		return BaseImageOperation::getImBuf();
+	}
+	return NULL;
+}
+
+void MultilayerColorOperation::executePixel(float *color, float x, float y, PixelSampler sampler, MemoryBuffer *inputBuffers[]) {
+	int yi = y;
+	int xi = x;
+	if (this->imageBuffer == NULL || xi < 0 || yi < 0 || xi >= this->getWidth() || yi >= this->getHeight() ) {
+		color[0] = 0.0f;
+		color[1] = 0.0f;
+		color[2] = 0.0f;
+		color[3] = 0.0f;
+	} else {
+		if (this->numberOfChannels == 4) {
+			switch (sampler) {
+			case COM_PS_NEAREST:
+				neareast_interpolation_color(this->buffer, NULL, color, x, y);
+				break;
+			case COM_PS_BILINEAR:
+				bilinear_interpolation_color(this->buffer, NULL, color, x, y);
+				break;
+			case COM_PS_BICUBIC:
+				bicubic_interpolation_color(this->buffer, NULL, color, x, y);
+				break;
+			}
+		} else {
+			int offset = (yi*this->getWidth()+xi)*3;
+			color[0] = this->imageBuffer[offset];
+			color[1] = this->imageBuffer[offset+1];
+			color[2] = this->imageBuffer[offset+2];
+		}
+	}
+}
+
+void MultilayerValueOperation::executePixel(float *color, float x, float y, PixelSampler sampler, MemoryBuffer *inputBuffers[]) {
+	int yi = y;
+	int xi = x;
+	if (this->imageBuffer == NULL || xi < 0 || yi < 0 || xi >= this->getWidth() || yi >= this->getHeight() ) {
+		color[0] = 0.0f;
+	} else {
+		float result = this->imageBuffer[yi*this->getWidth()+xi];
+		color[0] = result;
+	}
+}
+
+void MultilayerVectorOperation::executePixel(float *color, float x, float y, PixelSampler sampler, MemoryBuffer *inputBuffers[]) {
+	int yi = y;
+	int xi = x;
+	if (this->imageBuffer == NULL || xi < 0 || yi < 0 || xi >= this->getWidth() || yi >= this->getHeight() ) {
+		color[0] = 0.0f;
+	} else {
+		int offset = (yi*this->getWidth()+xi)*3;
+		color[0] = this->imageBuffer[offset];
+		color[1] = this->imageBuffer[offset+1];
+		color[2] = this->imageBuffer[offset+2];
+	}
+}