Jeroen Bakker
ac5a735e3f
- [#31777] Border Crop gives black - [#31768] Crash when connecting a Math node to a translate node in Tiles comp - [#31638] View node in new node compo system crashes when inside a group * make sure a very fast vignette can be made by using a EliipseMask + Fast Gaussian blur
110 lines
3.6 KiB
C++
110 lines
3.6 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_RotateOperation.h"
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#include "BLI_math.h"
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RotateOperation::RotateOperation() : NodeOperation()
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{
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this->addInputSocket(COM_DT_COLOR);
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this->addInputSocket(COM_DT_VALUE);
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this->addOutputSocket(COM_DT_COLOR);
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this->setResolutionInputSocketIndex(0);
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this->imageSocket = NULL;
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this->degreeSocket = NULL;
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this->doDegree2RadConversion = false;
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this->isDegreeSet = false;
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}
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void RotateOperation::initExecution()
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{
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this->imageSocket = this->getInputSocketReader(0);
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this->degreeSocket = this->getInputSocketReader(1);
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this->centerX = this->getWidth()/2.0;
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this->centerY = this->getHeight()/2.0;
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}
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void RotateOperation::deinitExecution()
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{
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this->imageSocket = NULL;
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this->degreeSocket = NULL;
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}
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inline void RotateOperation::ensureDegree() {
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if (!isDegreeSet) {
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float degree[4];
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this->degreeSocket->read(degree, 0, 0, COM_PS_NEAREST, NULL);
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double rad;
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if (this->doDegree2RadConversion) {
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rad = DEG2RAD((double)degree[0]);
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}
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else {
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rad = degree[0];
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}
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this->cosine = cos(rad);
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this->sine = sin(rad);
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isDegreeSet = true;
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}
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}
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void RotateOperation::executePixel(float *color,float x, float y, PixelSampler sampler, MemoryBuffer *inputBuffers[])
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{
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ensureDegree();
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const float dy = y - this->centerY;
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const float dx = x - this->centerX;
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const float nx = this->centerX+(this->cosine*dx + this->sine*dy);
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const float ny = this->centerY+(-this->sine*dx + this->cosine*dy);
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this->imageSocket->read(color, nx, ny, sampler, inputBuffers);
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}
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bool RotateOperation::determineDependingAreaOfInterest(rcti *input, ReadBufferOperation *readOperation, rcti *output)
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{
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ensureDegree();
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rcti newInput;
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const float dxmin = input->xmin - this->centerX;
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const float dymin = input->ymin - this->centerY;
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const float dxmax = input->xmax - this->centerX;
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const float dymax = input->ymax - this->centerY;
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const float x1 = this->centerX+(this->cosine*dxmin + this->sine*dymin);
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const float x2 = this->centerX+(this->cosine*dxmax + this->sine*dymin);
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const float x3 = this->centerX+(this->cosine*dxmin + this->sine*dymax);
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const float x4 = this->centerX+(this->cosine*dxmax + this->sine*dymax);
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const float y1 = this->centerY+(-this->sine*dxmin + this->cosine*dymin);
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const float y2 = this->centerY+(-this->sine*dxmax + this->cosine*dymin);
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const float y3 = this->centerY+(-this->sine*dxmin + this->cosine*dymax);
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const float y4 = this->centerY+(-this->sine*dxmax + this->cosine*dymax);
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const float minx = min(x1, min(x2, min(x3, x4)));
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const float maxx = max(x1, max(x2, max(x3, x4)));
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const float miny = min(y1, min(y2, min(y3, y4)));
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const float maxy = max(y1, max(y2, max(y3, y4)));
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newInput.xmax = ceil(maxx)+1;
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newInput.xmin = floor(minx)-1;
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newInput.ymax = ceil(maxy)+1;
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newInput.ymin = floor(miny)-1;
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return NodeOperation::determineDependingAreaOfInterest(&newInput, readOperation, output);
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}
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