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/*
* 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];
}
}
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