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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_TranslateOperation.h"
namespace blender::compositor {
TranslateOperation::TranslateOperation() : TranslateOperation(DataType::Color)
{
}
TranslateOperation::TranslateOperation(DataType data_type)
{
this->addInputSocket(data_type);
this->addInputSocket(DataType::Value);
this->addInputSocket(DataType::Value);
this->addOutputSocket(data_type);
this->setResolutionInputSocketIndex(0);
this->m_inputOperation = nullptr;
this->m_inputXOperation = nullptr;
this->m_inputYOperation = nullptr;
this->m_isDeltaSet = false;
this->m_factorX = 1.0f;
this->m_factorY = 1.0f;
this->x_extend_mode_ = MemoryBufferExtend::Clip;
this->y_extend_mode_ = MemoryBufferExtend::Clip;
}
void TranslateOperation::initExecution()
{
this->m_inputOperation = this->getInputSocketReader(0);
this->m_inputXOperation = this->getInputSocketReader(1);
this->m_inputYOperation = this->getInputSocketReader(2);
}
void TranslateOperation::deinitExecution()
{
this->m_inputOperation = nullptr;
this->m_inputXOperation = nullptr;
this->m_inputYOperation = nullptr;
}
void TranslateOperation::executePixelSampled(float output[4],
float x,
float y,
PixelSampler /*sampler*/)
{
ensureDelta();
float originalXPos = x - this->getDeltaX();
float originalYPos = y - this->getDeltaY();
this->m_inputOperation->readSampled(output, originalXPos, originalYPos, PixelSampler::Bilinear);
}
bool TranslateOperation::determineDependingAreaOfInterest(rcti *input,
ReadBufferOperation *readOperation,
rcti *output)
{
rcti newInput;
ensureDelta();
newInput.xmin = input->xmin - this->getDeltaX();
newInput.xmax = input->xmax - this->getDeltaX();
newInput.ymin = input->ymin - this->getDeltaY();
newInput.ymax = input->ymax - this->getDeltaY();
return NodeOperation::determineDependingAreaOfInterest(&newInput, readOperation, output);
}
void TranslateOperation::setFactorXY(float factorX, float factorY)
{
m_factorX = factorX;
m_factorY = factorY;
}
void TranslateOperation::set_wrapping(int wrapping_type)
{
switch (wrapping_type) {
case CMP_NODE_WRAP_X:
x_extend_mode_ = MemoryBufferExtend::Repeat;
break;
case CMP_NODE_WRAP_Y:
y_extend_mode_ = MemoryBufferExtend::Repeat;
break;
case CMP_NODE_WRAP_XY:
x_extend_mode_ = MemoryBufferExtend::Repeat;
y_extend_mode_ = MemoryBufferExtend::Repeat;
break;
default:
break;
}
}
void TranslateOperation::get_area_of_interest(const int input_idx,
const rcti &output_area,
rcti &r_input_area)
{
if (input_idx == 0) {
ensureDelta();
r_input_area = output_area;
if (x_extend_mode_ == MemoryBufferExtend::Clip) {
const int delta_x = this->getDeltaX();
BLI_rcti_translate(&r_input_area, -delta_x, 0);
}
if (y_extend_mode_ == MemoryBufferExtend::Clip) {
const int delta_y = this->getDeltaY();
BLI_rcti_translate(&r_input_area, 0, -delta_y);
}
}
}
void TranslateOperation::update_memory_buffer_partial(MemoryBuffer *output,
const rcti &area,
Span<MemoryBuffer *> inputs)
{
MemoryBuffer *input = inputs[0];
const int delta_x = this->getDeltaX();
const int delta_y = this->getDeltaY();
for (int y = area.ymin; y < area.ymax; y++) {
float *out = output->get_elem(area.xmin, y);
for (int x = area.xmin; x < area.xmax; x++) {
const int input_x = x - delta_x;
const int input_y = y - delta_y;
input->read(out, input_x, input_y, x_extend_mode_, y_extend_mode_);
out += output->elem_stride;
}
}
}
} // namespace blender::compositor
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