127 lines
3.3 KiB
C++
127 lines
3.3 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_MovieClipOperation.h"
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#include "BLI_listbase.h"
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#include "BLI_math.h"
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extern "C" {
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# include "BKE_movieclip.h"
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# include "IMB_imbuf.h"
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}
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#include "BKE_image.h"
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MovieClipBaseOperation::MovieClipBaseOperation() : NodeOperation()
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{
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this->m_movieClip = NULL;
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this->m_movieClipBuffer = NULL;
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this->m_movieClipUser = NULL;
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this->m_movieClipwidth = 0;
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this->m_movieClipheight = 0;
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this->m_framenumber = 0;
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}
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void MovieClipBaseOperation::initExecution()
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{
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if (this->m_movieClip) {
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BKE_movieclip_user_set_frame(this->m_movieClipUser, this->m_framenumber);
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ImBuf *ibuf;
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if (this->m_cacheFrame)
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ibuf = BKE_movieclip_get_ibuf(this->m_movieClip, this->m_movieClipUser);
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else
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ibuf = BKE_movieclip_get_ibuf_flag(this->m_movieClip, this->m_movieClipUser, this->m_movieClip->flag, MOVIECLIP_CACHE_SKIP);
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if (ibuf) {
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this->m_movieClipBuffer = ibuf;
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if (ibuf->rect_float == NULL || ibuf->userflags & IB_RECT_INVALID) {
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IMB_float_from_rect(ibuf);
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ibuf->userflags &= ~IB_RECT_INVALID;
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}
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}
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}
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}
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void MovieClipBaseOperation::deinitExecution()
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{
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if (this->m_movieClipBuffer) {
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IMB_freeImBuf(this->m_movieClipBuffer);
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this->m_movieClipBuffer = NULL;
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}
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}
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void MovieClipBaseOperation::determineResolution(unsigned int resolution[2], unsigned int /*preferredResolution*/[2])
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{
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resolution[0] = 0;
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resolution[1] = 0;
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if (this->m_movieClip) {
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int width, height;
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BKE_movieclip_get_size(this->m_movieClip, this->m_movieClipUser, &width, &height);
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resolution[0] = width;
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resolution[1] = height;
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}
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}
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void MovieClipBaseOperation::executePixelSampled(float output[4], float x, float y, PixelSampler sampler)
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{
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ImBuf *ibuf = this->m_movieClipBuffer;
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if (ibuf == NULL) {
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zero_v4(output);
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}
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else if (ibuf->rect == NULL && ibuf->rect_float == NULL) {
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/* Happens for multilayer exr, i.e. */
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zero_v4(output);
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}
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else {
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switch (sampler) {
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case COM_PS_NEAREST:
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nearest_interpolation_color(ibuf, NULL, output, x, y);
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break;
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case COM_PS_BILINEAR:
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bilinear_interpolation_color(ibuf, NULL, output, x, y);
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break;
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case COM_PS_BICUBIC:
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bicubic_interpolation_color(ibuf, NULL, output, x, y);
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break;
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}
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}
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}
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MovieClipOperation::MovieClipOperation() : MovieClipBaseOperation()
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{
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this->addOutputSocket(COM_DT_COLOR);
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}
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MovieClipAlphaOperation::MovieClipAlphaOperation() : MovieClipBaseOperation()
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{
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this->addOutputSocket(COM_DT_VALUE);
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}
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void MovieClipAlphaOperation::executePixelSampled(float output[4], float x, float y, PixelSampler sampler)
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{
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float result[4];
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MovieClipBaseOperation::executePixelSampled(result, x, y, sampler);
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output[0] = result[3];
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}
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