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/* SPDX-License-Identifier: GPL-2.0-or-later
* Copyright 2011 Blender Foundation. */
#include "COM_TranslateOperation.h"
namespace blender::compositor {
TranslateOperation::TranslateOperation() : TranslateOperation(DataType::Color)
{
}
TranslateOperation::TranslateOperation(DataType data_type, ResizeMode resize_mode)
{
this->add_input_socket(data_type, resize_mode);
this->add_input_socket(DataType::Value, ResizeMode::None);
this->add_input_socket(DataType::Value, ResizeMode::None);
this->add_output_socket(data_type);
this->set_canvas_input_index(0);
input_operation_ = nullptr;
input_xoperation_ = nullptr;
input_yoperation_ = nullptr;
is_delta_set_ = false;
factor_x_ = 1.0f;
factor_y_ = 1.0f;
this->x_extend_mode_ = MemoryBufferExtend::Clip;
this->y_extend_mode_ = MemoryBufferExtend::Clip;
}
void TranslateOperation::init_execution()
{
input_operation_ = this->get_input_socket_reader(0);
input_xoperation_ = this->get_input_socket_reader(1);
input_yoperation_ = this->get_input_socket_reader(2);
}
void TranslateOperation::deinit_execution()
{
input_operation_ = nullptr;
input_xoperation_ = nullptr;
input_yoperation_ = nullptr;
}
void TranslateOperation::execute_pixel_sampled(float output[4],
float x,
float y,
PixelSampler /*sampler*/)
{
ensure_delta();
float original_xpos = x - this->getDeltaX();
float original_ypos = y - this->getDeltaY();
input_operation_->read_sampled(output, original_xpos, original_ypos, PixelSampler::Bilinear);
}
bool TranslateOperation::determine_depending_area_of_interest(rcti *input,
ReadBufferOperation *read_operation,
rcti *output)
{
rcti new_input;
ensure_delta();
new_input.xmin = input->xmin - this->getDeltaX();
new_input.xmax = input->xmax - this->getDeltaX();
new_input.ymin = input->ymin - this->getDeltaY();
new_input.ymax = input->ymax - this->getDeltaY();
return NodeOperation::determine_depending_area_of_interest(&new_input, read_operation, output);
}
void TranslateOperation::setFactorXY(float factorX, float factorY)
{
factor_x_ = factorX;
factor_y_ = 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) {
ensure_delta();
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);
}
}
else {
r_input_area = output_area;
}
}
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;
}
}
}
TranslateCanvasOperation::TranslateCanvasOperation()
: TranslateOperation(DataType::Color, ResizeMode::None)
{
}
void TranslateCanvasOperation::determine_canvas(const rcti &preferred_area, rcti &r_area)
{
const bool determined =
get_input_socket(IMAGE_INPUT_INDEX)->determine_canvas(preferred_area, r_area);
if (determined) {
NodeOperationInput *x_socket = get_input_socket(X_INPUT_INDEX);
NodeOperationInput *y_socket = get_input_socket(Y_INPUT_INDEX);
rcti unused = COM_AREA_NONE;
x_socket->determine_canvas(r_area, unused);
y_socket->determine_canvas(r_area, unused);
ensure_delta();
const float delta_x = x_extend_mode_ == MemoryBufferExtend::Clip ? getDeltaX() : 0.0f;
const float delta_y = y_extend_mode_ == MemoryBufferExtend::Clip ? getDeltaY() : 0.0f;
BLI_rcti_translate(&r_area, delta_x, delta_y);
}
}
} // namespace blender::compositor
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