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/*
* 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.
*
* Copyright 2011, Blender Foundation.
*/
#include "COM_MultilayerImageOperation.h"
#include "IMB_imbuf.h"
#include "IMB_imbuf_types.h"
namespace blender::compositor {
MultilayerBaseOperation::MultilayerBaseOperation(RenderLayer *render_layer,
RenderPass *render_pass,
int view)
{
this->m_passId = BLI_findindex(&render_layer->passes, render_pass);
this->m_view = view;
this->m_renderLayer = render_layer;
this->m_renderPass = render_pass;
}
ImBuf *MultilayerBaseOperation::getImBuf()
{
/* temporarily changes the view to get the right ImBuf */
int view = this->m_imageUser->view;
this->m_imageUser->view = this->m_view;
this->m_imageUser->pass = this->m_passId;
if (BKE_image_multilayer_index(this->m_image->rr, this->m_imageUser)) {
ImBuf *ibuf = BaseImageOperation::getImBuf();
this->m_imageUser->view = view;
return ibuf;
}
this->m_imageUser->view = view;
return nullptr;
}
std::unique_ptr<MetaData> MultilayerColorOperation::getMetaData()
{
BLI_assert(this->m_buffer);
MetaDataExtractCallbackData callback_data = {nullptr};
RenderResult *render_result = this->m_image->rr;
if (render_result && render_result->stamp_data) {
RenderLayer *render_layer = this->m_renderLayer;
RenderPass *render_pass = this->m_renderPass;
std::string full_layer_name =
std::string(render_layer->name,
BLI_strnlen(render_layer->name, sizeof(render_layer->name))) +
"." +
std::string(render_pass->name, BLI_strnlen(render_pass->name, sizeof(render_pass->name)));
blender::StringRef cryptomatte_layer_name =
blender::bke::cryptomatte::BKE_cryptomatte_extract_layer_name(full_layer_name);
callback_data.setCryptomatteKeys(cryptomatte_layer_name);
BKE_stamp_info_callback(&callback_data,
render_result->stamp_data,
MetaDataExtractCallbackData::extract_cryptomatte_meta_data,
false);
}
return std::move(callback_data.meta_data);
}
void MultilayerColorOperation::executePixelSampled(float output[4],
float x,
float y,
PixelSampler sampler)
{
if (this->m_imageFloatBuffer == nullptr) {
zero_v4(output);
}
else {
if (this->m_numberOfChannels == 4) {
switch (sampler) {
case PixelSampler::Nearest:
nearest_interpolation_color(this->m_buffer, nullptr, output, x, y);
break;
case PixelSampler::Bilinear:
bilinear_interpolation_color(this->m_buffer, nullptr, output, x, y);
break;
case PixelSampler::Bicubic:
bicubic_interpolation_color(this->m_buffer, nullptr, output, x, y);
break;
}
}
else {
int yi = y;
int xi = x;
if (xi < 0 || yi < 0 || (unsigned int)xi >= this->getWidth() ||
(unsigned int)yi >= this->getHeight()) {
zero_v4(output);
}
else {
int offset = (yi * this->getWidth() + xi) * 3;
copy_v3_v3(output, &this->m_imageFloatBuffer[offset]);
}
}
}
}
void MultilayerValueOperation::executePixelSampled(float output[4],
float x,
float y,
PixelSampler /*sampler*/)
{
if (this->m_imageFloatBuffer == nullptr) {
output[0] = 0.0f;
}
else {
int yi = y;
int xi = x;
if (xi < 0 || yi < 0 || (unsigned int)xi >= this->getWidth() ||
(unsigned int)yi >= this->getHeight()) {
output[0] = 0.0f;
}
else {
float result = this->m_imageFloatBuffer[yi * this->getWidth() + xi];
output[0] = result;
}
}
}
void MultilayerVectorOperation::executePixelSampled(float output[4],
float x,
float y,
PixelSampler /*sampler*/)
{
if (this->m_imageFloatBuffer == nullptr) {
output[0] = 0.0f;
}
else {
int yi = y;
int xi = x;
if (xi < 0 || yi < 0 || (unsigned int)xi >= this->getWidth() ||
(unsigned int)yi >= this->getHeight()) {
output[0] = 0.0f;
}
else {
int offset = (yi * this->getWidth() + xi) * 3;
copy_v3_v3(output, &this->m_imageFloatBuffer[offset]);
}
}
}
} // namespace blender::compositor
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