87 lines
2.5 KiB
C++
87 lines
2.5 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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#include "COM_MovieClipAttributeOperation.h"
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#include "BKE_movieclip.h"
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#include "BKE_tracking.h"
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namespace blender::compositor {
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MovieClipAttributeOperation::MovieClipAttributeOperation()
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{
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this->addOutputSocket(DataType::Value);
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this->m_framenumber = 0;
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this->m_attribute = MCA_X;
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this->m_invert = false;
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}
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void MovieClipAttributeOperation::initExecution()
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{
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if (this->m_clip == nullptr) {
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return;
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}
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float loc[2], scale, angle;
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loc[0] = 0.0f;
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loc[1] = 0.0f;
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scale = 1.0f;
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angle = 0.0f;
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int clip_framenr = BKE_movieclip_remap_scene_to_clip_frame(this->m_clip, this->m_framenumber);
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BKE_tracking_stabilization_data_get(
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this->m_clip, clip_framenr, getWidth(), getHeight(), loc, &scale, &angle);
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switch (this->m_attribute) {
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case MCA_SCALE:
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this->m_value = scale;
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break;
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case MCA_ANGLE:
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this->m_value = angle;
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break;
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case MCA_X:
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this->m_value = loc[0];
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break;
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case MCA_Y:
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this->m_value = loc[1];
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break;
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}
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if (this->m_invert) {
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if (this->m_attribute != MCA_SCALE) {
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this->m_value = -this->m_value;
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}
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else {
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this->m_value = 1.0f / this->m_value;
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}
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}
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}
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void MovieClipAttributeOperation::executePixelSampled(float output[4],
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float /*x*/,
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float /*y*/,
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PixelSampler /*sampler*/)
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{
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output[0] = this->m_value;
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}
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void MovieClipAttributeOperation::determineResolution(unsigned int resolution[2],
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unsigned int preferredResolution[2])
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{
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resolution[0] = preferredResolution[0];
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resolution[1] = preferredResolution[1];
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}
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} // namespace blender::compositor
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