108 lines
2.8 KiB
C++
108 lines
2.8 KiB
C++
/*
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* Copyright 2011, Blender Foundation.
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*
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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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* Contributor:
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* Jeroen Bakker
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* Monique Dewanchand
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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 "DNA_scene_types.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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MovieClipOperation::MovieClipOperation(): NodeOperation()
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{
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this->addOutputSocket(COM_DT_COLOR);
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this->movieClip = NULL;
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this->movieClipBuffer = NULL;
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this->movieClipUser = NULL;
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this->movieClipwidth = 0;
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this->movieClipheight = 0;
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this->framenumber = 0;
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}
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void MovieClipOperation::initExecution()
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{
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if (this->movieClip) {
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BKE_movieclip_user_set_frame(this->movieClipUser, this->framenumber);
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ImBuf *ibuf;
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ibuf = BKE_movieclip_get_ibuf(this->movieClip, this->movieClipUser);
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if (ibuf) {
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this->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 MovieClipOperation::deinitExecution()
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{
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if (this->movieClipBuffer) {
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IMB_freeImBuf(this->movieClipBuffer);
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this->movieClipBuffer = NULL;
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}
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}
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void MovieClipOperation::determineResolution(unsigned int resolution[], unsigned int preferredResolution[])
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{
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resolution[0] = 0;
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resolution[1] = 0;
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if (this->movieClip) {
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int width, height;
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BKE_movieclip_get_size(this->movieClip, this->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 MovieClipOperation::executePixel(float *color, float x, float y, PixelSampler sampler, MemoryBuffer *inputBuffers[])
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{
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if (this->movieClipBuffer == NULL || x < 0 || y < 0 || x >= this->getWidth() || y >= this->getHeight() ) {
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color[0] = 0.0f;
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color[1] = 0.0f;
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color[2] = 0.0f;
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color[3] = 0.0f;
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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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neareast_interpolation_color(this->movieClipBuffer, NULL, color, x, y);
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break;
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case COM_PS_BILINEAR:
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bilinear_interpolation_color(this->movieClipBuffer, NULL, color, x, y);
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break;
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case COM_PS_BICUBIC:
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bicubic_interpolation_color(this->movieClipBuffer, NULL, color, x, y);
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break;
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}
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}
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}
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