diff options
Diffstat (limited to 'source/blender/compositor/operations/COM_DespeckleOperation.cc')
-rw-r--r-- | source/blender/compositor/operations/COM_DespeckleOperation.cc | 143 |
1 files changed, 143 insertions, 0 deletions
diff --git a/source/blender/compositor/operations/COM_DespeckleOperation.cc b/source/blender/compositor/operations/COM_DespeckleOperation.cc new file mode 100644 index 00000000000..901445c6875 --- /dev/null +++ b/source/blender/compositor/operations/COM_DespeckleOperation.cc @@ -0,0 +1,143 @@ +/* + * 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. + * + * Copyright 2011, Blender Foundation. + */ + +#include "MEM_guardedalloc.h" + +#include "COM_DespeckleOperation.h" + +#include "BLI_utildefines.h" + +DespeckleOperation::DespeckleOperation() +{ + this->addInputSocket(COM_DT_COLOR); + this->addInputSocket(COM_DT_VALUE); + this->addOutputSocket(COM_DT_COLOR); + this->setResolutionInputSocketIndex(0); + this->m_inputOperation = nullptr; + this->setComplex(true); +} +void DespeckleOperation::initExecution() +{ + this->m_inputOperation = this->getInputSocketReader(0); + this->m_inputValueOperation = this->getInputSocketReader(1); +} + +void DespeckleOperation::deinitExecution() +{ + this->m_inputOperation = nullptr; + this->m_inputValueOperation = nullptr; +} + +BLI_INLINE int color_diff(const float a[3], const float b[3], const float threshold) +{ + return ((fabsf(a[0] - b[0]) > threshold) || (fabsf(a[1] - b[1]) > threshold) || + (fabsf(a[2] - b[2]) > threshold)); +} + +void DespeckleOperation::executePixel(float output[4], int x, int y, void * /*data*/) +{ + float w = 0.0f; + float color_org[4]; + float color_mid[4]; + float color_mid_ok[4]; + float in1[4]; + int x1 = x - 1; + int x2 = x; + int x3 = x + 1; + int y1 = y - 1; + int y2 = y; + int y3 = y + 1; + CLAMP(x1, 0, getWidth() - 1); + CLAMP(x2, 0, getWidth() - 1); + CLAMP(x3, 0, getWidth() - 1); + CLAMP(y1, 0, getHeight() - 1); + CLAMP(y2, 0, getHeight() - 1); + CLAMP(y3, 0, getHeight() - 1); + float value[4]; + this->m_inputValueOperation->read(value, x2, y2, nullptr); + // const float mval = 1.0f - value[0]; + + this->m_inputOperation->read(color_org, x2, y2, nullptr); + +#define TOT_DIV_ONE 1.0f +#define TOT_DIV_CNR (float)M_SQRT1_2 + +#define WTOT (TOT_DIV_ONE * 4 + TOT_DIV_CNR * 4) + +#define COLOR_ADD(fac) \ + { \ + madd_v4_v4fl(color_mid, in1, fac); \ + if (color_diff(in1, color_org, this->m_threshold)) { \ + w += fac; \ + madd_v4_v4fl(color_mid_ok, in1, fac); \ + } \ + } + + zero_v4(color_mid); + zero_v4(color_mid_ok); + + this->m_inputOperation->read(in1, x1, y1, nullptr); + COLOR_ADD(TOT_DIV_CNR) + this->m_inputOperation->read(in1, x2, y1, nullptr); + COLOR_ADD(TOT_DIV_ONE) + this->m_inputOperation->read(in1, x3, y1, nullptr); + COLOR_ADD(TOT_DIV_CNR) + this->m_inputOperation->read(in1, x1, y2, nullptr); + COLOR_ADD(TOT_DIV_ONE) + +#if 0 + this->m_inputOperation->read(in2, x2, y2, NULL); + madd_v4_v4fl(color_mid, in2, this->m_filter[4]); +#endif + + this->m_inputOperation->read(in1, x3, y2, nullptr); + COLOR_ADD(TOT_DIV_ONE) + this->m_inputOperation->read(in1, x1, y3, nullptr); + COLOR_ADD(TOT_DIV_CNR) + this->m_inputOperation->read(in1, x2, y3, nullptr); + COLOR_ADD(TOT_DIV_ONE) + this->m_inputOperation->read(in1, x3, y3, nullptr); + COLOR_ADD(TOT_DIV_CNR) + + mul_v4_fl(color_mid, 1.0f / (4.0f + (4.0f * (float)M_SQRT1_2))); + // mul_v4_fl(color_mid, 1.0f / w); + + if ((w != 0.0f) && ((w / WTOT) > (this->m_threshold_neighbor)) && + color_diff(color_mid, color_org, this->m_threshold)) { + mul_v4_fl(color_mid_ok, 1.0f / w); + interp_v4_v4v4(output, color_org, color_mid_ok, value[0]); + } + else { + copy_v4_v4(output, color_org); + } +} + +bool DespeckleOperation::determineDependingAreaOfInterest(rcti *input, + ReadBufferOperation *readOperation, + rcti *output) +{ + rcti newInput; + int addx = 2; //(this->m_filterWidth - 1) / 2 + 1; + int addy = 2; //(this->m_filterHeight - 1) / 2 + 1; + newInput.xmax = input->xmax + addx; + newInput.xmin = input->xmin - addx; + newInput.ymax = input->ymax + addy; + newInput.ymin = input->ymin - addy; + + return NodeOperation::determineDependingAreaOfInterest(&newInput, readOperation, output); +} |