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/*
* Copyright 2011, Blender Foundation.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* Contributor:
* Jeroen Bakker
* Monique Dewanchand
*/
#include "COM_MovieClipOperation.h"
#include "BLI_listbase.h"
#include "DNA_scene_types.h"
#include "BLI_math.h"
extern "C" {
#include "BKE_movieclip.h"
#include "IMB_imbuf.h"
}
#include "BKE_image.h"
MovieClipOperation::MovieClipOperation() : NodeOperation()
{
this->addOutputSocket(COM_DT_COLOR);
this->movieClip = NULL;
this->movieClipBuffer = NULL;
this->movieClipUser = NULL;
this->movieClipwidth = 0;
this->movieClipheight = 0;
this->framenumber = 0;
}
void MovieClipOperation::initExecution()
{
if (this->movieClip) {
BKE_movieclip_user_set_frame(this->movieClipUser, this->framenumber);
ImBuf *ibuf;
ibuf = BKE_movieclip_get_ibuf(this->movieClip, this->movieClipUser);
if (ibuf) {
this->movieClipBuffer = ibuf;
if (ibuf->rect_float == NULL || ibuf->userflags & IB_RECT_INVALID) {
IMB_float_from_rect(ibuf);
ibuf->userflags &= ~IB_RECT_INVALID;
}
}
}
}
void MovieClipOperation::deinitExecution()
{
if (this->movieClipBuffer) {
IMB_freeImBuf(this->movieClipBuffer);
this->movieClipBuffer = NULL;
}
}
void MovieClipOperation::determineResolution(unsigned int resolution[], unsigned int preferredResolution[])
{
resolution[0] = 0;
resolution[1] = 0;
if (this->movieClip) {
int width, height;
BKE_movieclip_get_size(this->movieClip, this->movieClipUser, &width, &height);
resolution[0] = width;
resolution[1] = height;
}
}
void MovieClipOperation::executePixel(float *color, float x, float y, PixelSampler sampler, MemoryBuffer *inputBuffers[])
{
if (this->movieClipBuffer == NULL || x < 0 || y < 0 || x >= this->getWidth() || y >= this->getHeight() ) {
color[0] = 0.0f;
color[1] = 0.0f;
color[2] = 0.0f;
color[3] = 0.0f;
}
else {
switch (sampler) {
case COM_PS_NEAREST:
neareast_interpolation_color(this->movieClipBuffer, NULL, color, x, y);
break;
case COM_PS_BILINEAR:
bilinear_interpolation_color(this->movieClipBuffer, NULL, color, x, y);
break;
case COM_PS_BICUBIC:
bicubic_interpolation_color(this->movieClipBuffer, NULL, color, x, y);
break;
}
}
}
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