128 lines
3.8 KiB
C++
128 lines
3.8 KiB
C++
/*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* Copyright 2011, Blender Foundation.
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*/
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#include "COM_MultilayerImageOperation.h"
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#include "IMB_imbuf.h"
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#include "IMB_imbuf_types.h"
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MultilayerBaseOperation::MultilayerBaseOperation(int passindex, int view)
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{
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this->m_passId = passindex;
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this->m_view = view;
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}
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ImBuf *MultilayerBaseOperation::getImBuf()
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{
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/* temporarily changes the view to get the right ImBuf */
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int view = this->m_imageUser->view;
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this->m_imageUser->view = this->m_view;
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this->m_imageUser->pass = this->m_passId;
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if (BKE_image_multilayer_index(this->m_image->rr, this->m_imageUser)) {
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ImBuf *ibuf = BaseImageOperation::getImBuf();
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this->m_imageUser->view = view;
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return ibuf;
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}
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this->m_imageUser->view = view;
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return nullptr;
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}
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void MultilayerColorOperation::executePixelSampled(float output[4],
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float x,
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float y,
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PixelSampler sampler)
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{
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if (this->m_imageFloatBuffer == nullptr) {
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zero_v4(output);
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}
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else {
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if (this->m_numberOfChannels == 4) {
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switch (sampler) {
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case COM_PS_NEAREST:
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nearest_interpolation_color(this->m_buffer, nullptr, output, x, y);
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break;
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case COM_PS_BILINEAR:
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bilinear_interpolation_color(this->m_buffer, nullptr, output, x, y);
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break;
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case COM_PS_BICUBIC:
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bicubic_interpolation_color(this->m_buffer, nullptr, output, x, y);
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break;
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}
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}
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else {
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int yi = y;
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int xi = x;
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if (xi < 0 || yi < 0 || (unsigned int)xi >= this->getWidth() ||
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(unsigned int)yi >= this->getHeight()) {
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zero_v4(output);
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}
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else {
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int offset = (yi * this->getWidth() + xi) * 3;
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copy_v3_v3(output, &this->m_imageFloatBuffer[offset]);
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}
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}
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}
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}
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void MultilayerValueOperation::executePixelSampled(float output[4],
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float x,
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float y,
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PixelSampler /*sampler*/)
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{
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if (this->m_imageFloatBuffer == nullptr) {
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output[0] = 0.0f;
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}
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else {
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int yi = y;
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int xi = x;
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if (xi < 0 || yi < 0 || (unsigned int)xi >= this->getWidth() ||
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(unsigned int)yi >= this->getHeight()) {
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output[0] = 0.0f;
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}
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else {
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float result = this->m_imageFloatBuffer[yi * this->getWidth() + xi];
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output[0] = result;
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}
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}
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}
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void MultilayerVectorOperation::executePixelSampled(float output[4],
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float x,
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float y,
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PixelSampler /*sampler*/)
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{
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if (this->m_imageFloatBuffer == nullptr) {
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output[0] = 0.0f;
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}
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else {
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int yi = y;
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int xi = x;
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if (xi < 0 || yi < 0 || (unsigned int)xi >= this->getWidth() ||
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(unsigned int)yi >= this->getHeight()) {
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output[0] = 0.0f;
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}
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else {
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int offset = (yi * this->getWidth() + xi) * 3;
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copy_v3_v3(output, &this->m_imageFloatBuffer[offset]);
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}
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}
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}
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