1 files changed, 104 insertions, 0 deletions
diff --git a/source/blender/compositor/operations/COM_CropOperation.cpp b/source/blender/compositor/operations/COM_CropOperation.cpp
new file mode 100644
index 00000000000..a763ded7f52
--- /dev/null
+++ b/source/blender/compositor/operations/COM_CropOperation.cpp
@@ -0,0 +1,104 @@
+/*
+ * 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
+ */
+
+#include "COM_CropOperation.h"
+#include "BLI_math.h"
+
+CropBaseOperation::CropBaseOperation() :NodeOperation(){
+	this->addInputSocket(COM_DT_COLOR, COM_SC_NO_RESIZE);
+	this->addOutputSocket(COM_DT_COLOR);
+	this->inputOperation = NULL;
+	this->settings = NULL;
+}
+
+void CropBaseOperation::updateArea() {
+	SocketReader * inputReference = this->getInputSocketReader(0);
+	float width = inputReference->getWidth();
+	float height = inputReference->getHeight();
+	if (this->relative){
+		settings->x1= width * settings->fac_x1;
+		settings->x2= width * settings->fac_x2;
+		settings->y1= height * settings->fac_y1;
+		settings->y2= height * settings->fac_y2;
+	}
+	if (width <= settings->x1 + 1)
+		settings->x1 = width - 1;
+	if (height <= settings->y1 + 1)
+		settings->y1 = height - 1;
+	if (width <= settings->x2 + 1)
+		settings->x2 = width - 1;
+	if (height <= settings->y2 + 1)
+		settings->y2 = height - 1;
+	
+	this->xmax = MAX2(settings->x1, settings->x2) + 1;
+	this->xmin = MIN2(settings->x1, settings->x2);
+	this->ymax = MAX2(settings->y1, settings->y2) + 1;
+	this->ymin = MIN2(settings->y1, settings->y2);
+}
+
+void CropBaseOperation::initExecution(){
+	this->inputOperation = this->getInputSocketReader(0);
+	updateArea();
+}
+
+void CropBaseOperation::deinitExecution(){
+	this->inputOperation = NULL;
+}
+
+CropOperation::CropOperation() :CropBaseOperation(){
+}
+
+void CropOperation::executePixel(float *color, float x, float y, PixelSampler sampler, MemoryBuffer *inputBuffers[]){
+	if ((x < this->xmax && x >= xmin) && (y < ymax && y >= ymin)){
+		inputOperation->read(color, x, y, sampler, inputBuffers);
+	} else {
+		color[0] = 0.0f;
+		color[1] = 0.0f;
+		color[2] = 0.0f;
+		color[3] = 0.0f;
+	}
+}
+
+CropImageOperation::CropImageOperation() :CropBaseOperation(){
+}
+
+bool CropImageOperation::determineDependingAreaOfInterest(rcti *input, ReadBufferOperation *readOperation, rcti *output){
+	rcti newInput;
+	
+	newInput.xmax = input->xmax + this->xmin;
+	newInput.xmin = input->xmin + this->xmin;
+	newInput.ymax = input->ymax + this->ymin;
+	newInput.ymin = input->ymin + this->ymin;
+	
+	return NodeOperation::determineDependingAreaOfInterest(&newInput, readOperation, output);
+}
+
+void CropImageOperation::determineResolution(unsigned int resolution[], unsigned int preferedResolution[]){
+	NodeOperation::determineResolution(resolution, preferedResolution);
+	updateArea();
+	resolution[0] = this->xmax - this->xmin;
+	resolution[1] = this->ymax - this->ymin;
+}
+
+void CropImageOperation::executePixel(float *color, float x, float y, PixelSampler sampler, MemoryBuffer *inputBuffers[]){
+	this->inputOperation->read(color, (x + this->xmin), (y + this->ymin), sampler, inputBuffers);
+}