Manuel Castilla
f84fb12f5d
This commit adds functionality for operations that require pixel translation or resizing on "Full Frame" mode, allowing to adjust their canvas. It fixes most cropping issues in translate, scale, rotate and transform nodes by adjusting their canvas to the result, instead of the input canvas. Operations output buffer is still always on (0,0) position for easier image algorithm implementation, even when the canvas is not. Current limitations (will be addressed on bcon2): - Displayed translation in Viewer node is limited to 6000px. - When scaling up the canvas size is limited to the scene resolution size x 1.5 . From that point it crops. If none of these limitations are hit, the Viewer node displays the full input with any translation. Differential Revision: https://developer.blender.org/D12466
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 *m_imageSocket;
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SocketReader *m_degreeSocket;
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/* TODO(manzanilla): to be removed with tiled implementation. */
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float m_centerX;
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float m_centerY;
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float m_cosine;
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float m_sine;
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bool m_doDegree2RadConversion;
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bool m_isDegreeSet;
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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 determineDependingAreaOfInterest(rcti *input,
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ReadBufferOperation *readOperation,
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rcti *output) override;
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void executePixelSampled(float output[4], float x, float y, PixelSampler sampler) override;
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void init_data() override;
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void initExecution() override;
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void deinitExecution() override;
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void setDoDegree2RadConversion(bool abool)
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{
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this->m_doDegree2RadConversion = 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 ensureDegree();
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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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