This repository has been archived on 2023-10-09. You can view files and clone it, but cannot push or open issues or pull requests.
Files
blender-archive/source/blender/compositor/operations/COM_BlurBaseOperation.cpp

111 lines
3.0 KiB
C++

/*
* 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_BlurBaseOperation.h"
#include "BLI_math.h"
extern "C" {
#include "RE_pipeline.h"
}
BlurBaseOperation::BlurBaseOperation(): NodeOperation()
{
this->addInputSocket(COM_DT_COLOR);
this->addInputSocket(COM_DT_VALUE);
this->addOutputSocket(COM_DT_COLOR);
this->setComplex(true);
this->inputProgram = NULL;
this->data = NULL;
this->size = 1.0f;
this->deleteData = false;
this->sizeavailable=false;
}
void BlurBaseOperation::initExecution()
{
this->inputProgram = this->getInputSocketReader(0);
this->inputSize = this->getInputSocketReader(1);
this->data->image_in_width = this->getWidth();
this->data->image_in_height = this->getHeight();
if (this->data->relative) {
switch (this->data->aspect) {
case CMP_NODE_BLUR_ASPECT_NONE:
this->data->sizex = (int)(this->data->percentx*0.01f*this->data->image_in_width);
this->data->sizey = (int)(this->data->percenty*0.01f*this->data->image_in_height);
break;
case CMP_NODE_BLUR_ASPECT_Y:
this->data->sizex = (int)(this->data->percentx*0.01f*this->data->image_in_width);
this->data->sizey = (int)(this->data->percenty*0.01f*this->data->image_in_width);
break;
case CMP_NODE_BLUR_ASPECT_X:
this->data->sizex = (int)(this->data->percentx*0.01f*this->data->image_in_height);
this->data->sizey = (int)(this->data->percenty*0.01f*this->data->image_in_height);
break;
}
}
QualityStepHelper::initExecution(COM_QH_MULTIPLY);
}
float *BlurBaseOperation::make_gausstab(int rad)
{
float *gausstab, sum, val;
int i, n;
n = 2 * rad + 1;
gausstab = new float[n];
sum = 0.0f;
for (i = -rad; i <= rad; i++) {
val = RE_filter_value(this->data->filtertype, (float)i/(float)rad);
sum += val;
gausstab[i+rad] = val;
}
sum = 1.0f/sum;
for (i=0; i<n; i++)
gausstab[i]*= sum;
return gausstab;
}
void BlurBaseOperation::deinitExecution()
{
this->inputProgram = NULL;
this->inputSize = NULL;
if (this->deleteData) {
delete this->data;
}
this->data = NULL;
}
void BlurBaseOperation::updateSize(MemoryBuffer **memoryBuffers)
{
if (!this->sizeavailable) {
float result[4];
this->getInputSocketReader(1)->read(result, 0, 0, COM_PS_NEAREST, memoryBuffers);
this->size = result[0];
this->sizeavailable = true;
}
}