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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.
*/
#pragma once
#include "COM_ConstantOperation.h"
#include "COM_MultiThreadedOperation.h"
namespace blender::compositor {
class TranslateOperation : public MultiThreadedOperation {
protected:
static constexpr int IMAGE_INPUT_INDEX = 0;
static constexpr int X_INPUT_INDEX = 1;
static constexpr int Y_INPUT_INDEX = 2;
private:
SocketReader *inputOperation_;
SocketReader *inputXOperation_;
SocketReader *inputYOperation_;
float deltaX_;
float deltaY_;
bool isDeltaSet_;
float factorX_;
float factorY_;
protected:
MemoryBufferExtend x_extend_mode_;
MemoryBufferExtend y_extend_mode_;
public:
TranslateOperation();
TranslateOperation(DataType data_type, ResizeMode mode = ResizeMode::Center);
bool determineDependingAreaOfInterest(rcti *input,
ReadBufferOperation *readOperation,
rcti *output) override;
void executePixelSampled(float output[4], float x, float y, PixelSampler sampler) override;
void initExecution() override;
void deinitExecution() override;
float getDeltaX()
{
return deltaX_ * factorX_;
}
float getDeltaY()
{
return deltaY_ * factorY_;
}
inline void ensureDelta()
{
if (!isDeltaSet_) {
if (execution_model_ == eExecutionModel::Tiled) {
float tempDelta[4];
inputXOperation_->readSampled(tempDelta, 0, 0, PixelSampler::Nearest);
deltaX_ = tempDelta[0];
inputYOperation_->readSampled(tempDelta, 0, 0, PixelSampler::Nearest);
deltaY_ = tempDelta[0];
}
else {
deltaX_ = get_input_operation(X_INPUT_INDEX)->get_constant_value_default(0.0f);
deltaY_ = get_input_operation(Y_INPUT_INDEX)->get_constant_value_default(0.0f);
}
isDeltaSet_ = true;
}
}
void setFactorXY(float factorX, float factorY);
void set_wrapping(int wrapping_type);
void get_area_of_interest(int input_idx, const rcti &output_area, rcti &r_input_area) override;
void update_memory_buffer_partial(MemoryBuffer *output,
const rcti &area,
Span<MemoryBuffer *> inputs) override;
};
class TranslateCanvasOperation : public TranslateOperation {
public:
TranslateCanvasOperation();
void determine_canvas(const rcti &preferred_area, rcti &r_area) override;
};
} // namespace blender::compositor
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