111 lines
4.2 KiB
C++
111 lines
4.2 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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#pragma once
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#include "COM_MultiThreadedOperation.h"
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namespace blender::compositor {
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class RotateOperation : public MultiThreadedOperation {
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private:
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constexpr static int IMAGE_INPUT_INDEX = 0;
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constexpr static int DEGREE_INPUT_INDEX = 1;
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SocketReader *image_socket_;
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SocketReader *degree_socket_;
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/* TODO(manzanilla): to be removed with tiled implementation. */
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float center_x_;
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float center_y_;
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float cosine_;
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float sine_;
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bool do_degree2_rad_conversion_;
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bool is_degree_set_;
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PixelSampler sampler_;
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public:
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RotateOperation();
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static void rotate_coords(
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float &x, float &y, float center_x, float center_y, float sine, float cosine)
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{
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const float dx = x - center_x;
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const float dy = y - center_y;
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x = center_x + (cosine * dx + sine * dy);
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y = center_y + (-sine * dx + cosine * dy);
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}
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static void get_rotation_center(const rcti &area, float &r_x, float &r_y);
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static void get_rotation_offset(const rcti &input_canvas,
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const rcti &rotate_canvas,
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float &r_offset_x,
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float &r_offset_y);
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static void get_area_rotation_bounds(const rcti &area,
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const float center_x,
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const float center_y,
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const float sine,
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const float cosine,
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rcti &r_bounds);
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static void get_area_rotation_bounds_inverted(const rcti &area,
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const float center_x,
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const float center_y,
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const float sine,
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const float cosine,
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rcti &r_bounds);
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static void get_rotation_area_of_interest(const rcti &input_canvas,
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const rcti &rotate_canvas,
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const float sine,
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const float cosine,
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const rcti &output_area,
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rcti &r_input_area);
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static void get_rotation_canvas(const rcti &input_canvas,
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const float sine,
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const float cosine,
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rcti &r_canvas);
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bool determine_depending_area_of_interest(rcti *input,
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ReadBufferOperation *read_operation,
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rcti *output) override;
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void execute_pixel_sampled(float output[4], float x, float y, PixelSampler sampler) override;
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void init_data() override;
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void init_execution() override;
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void deinit_execution() override;
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void set_do_degree2_rad_conversion(bool abool)
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{
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do_degree2_rad_conversion_ = abool;
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}
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void set_sampler(PixelSampler sampler)
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{
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sampler_ = sampler;
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}
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void ensure_degree();
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void get_area_of_interest(int input_idx, const rcti &output_area, rcti &r_input_area) override;
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void update_memory_buffer_partial(MemoryBuffer *output,
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const rcti &area,
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Span<MemoryBuffer *> inputs) override;
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void determine_canvas(const rcti &preferred_area, rcti &r_area) override;
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};
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} // namespace blender::compositor
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