diff options
Diffstat (limited to 'source/blender/compositor/operations/COM_BokehImageOperation.cpp')
| -rw-r--r-- | source/blender/compositor/operations/COM_BokehImageOperation.cpp | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/source/blender/compositor/operations/COM_BokehImageOperation.cpp b/source/blender/compositor/operations/COM_BokehImageOperation.cpp new file mode 100644 index 00000000000..3286217e71d --- /dev/null +++ b/source/blender/compositor/operations/COM_BokehImageOperation.cpp @@ -0,0 +1,112 @@ +/* + * 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_BokehImageOperation.h" +#include "BLI_math.h" + +BokehImageOperation::BokehImageOperation(): NodeOperation() { + this->addOutputSocket(COM_DT_COLOR); + this->deleteData = false; +} +void BokehImageOperation::initExecution() { + this->centerX = getWidth() / 2; + this->centerY = getHeight() / 2; + this->center[0] = this->centerX; + this->center[1] = this->centerY; + this->inverseRounding = 1.0-this->data->rounding; + this->circularDistance = getWidth()/2; + this->flapRad = (M_PI*2)/this->data->flaps; + this->flapRadAdd = (this->data->angle/360.0)*M_PI*2; + if (this->flapRadAdd>M_PI) { + this->flapRadAdd-=M_PI*2; + } +} +void BokehImageOperation::detemineStartPointOfFlap(float r[2], int flapNumber, float distance) { + r[0] = sin(flapRad*flapNumber + flapRadAdd)*distance+centerX; + r[1] = cos(flapRad*flapNumber + flapRadAdd)*distance+centerY; +} +float BokehImageOperation::isInsideBokeh(float distance, float x, float y) { + float insideBokeh = 0.0; + const float deltaX = x - centerX; + const float deltaY = y - centerY; + float closestPoint[2]; + float lineP1[2]; + float lineP2[2]; + float point[2]; + point[0] = x; + point[1] = y; + + const float distanceToCenter = len_v2v2(point, center); + const float bearing = (atan2f(deltaX, deltaY) + (M_PI*2)); + int flapNumber = (int)((bearing-flapRadAdd)/flapRad); + + detemineStartPointOfFlap(lineP1, flapNumber, distance); + detemineStartPointOfFlap(lineP2, flapNumber+1, distance); + closest_to_line_v2(closestPoint, point, lineP1, lineP2); + + const float distanceLineToCenter = len_v2v2(center, closestPoint); + const float distanceRoundingToCenter = inverseRounding*distanceLineToCenter+this->data->rounding*distance; + + const float catadioptricDistanceToCenter = distanceRoundingToCenter*this->data->catadioptric; + if (distanceRoundingToCenter>=distanceToCenter && catadioptricDistanceToCenter<=distanceToCenter) { + if (distanceRoundingToCenter-distanceToCenter<1.0) { + insideBokeh = (distanceRoundingToCenter-distanceToCenter); + } else if (this->data->catadioptric != 0.0 && distanceToCenter-catadioptricDistanceToCenter<1.0) { + insideBokeh = (distanceToCenter-catadioptricDistanceToCenter); + } else { + insideBokeh = 1.0; + } + } + return insideBokeh; +} +void BokehImageOperation::executePixel(float* color, float x, float y, PixelSampler sampler, MemoryBuffer *inputBuffers[]) { + float shift = this->data->lensshift; + float shift2 = shift/2.0f; + float distance = this->circularDistance; + float insideBokehMax = isInsideBokeh(distance, x, y); + float insideBokehMed = isInsideBokeh(distance-fabs(shift2*distance), x, y); + float insideBokehMin = isInsideBokeh(distance-fabs(shift*distance), x, y); + if (shift<0) { + color[0] = insideBokehMax; + color[1] = insideBokehMed; + color[2] = insideBokehMin; + } else { + color[0] = insideBokehMin; + color[1] = insideBokehMed; + color[2] = insideBokehMax; + } + color[3] = 1.0f; +} + +void BokehImageOperation::deinitExecution() { + if (deleteData) { + if (data) { + delete data; + data = NULL; + } + } +} + +void BokehImageOperation::determineResolution(unsigned int resolution[], unsigned int preferredResolution[]) { + resolution[0] = 512; + resolution[1] = 512; +} |