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Viewing changes to source/blender/compositor/operations/COM_BoxMaskOperation.cpp

  • Committer: Package Import Robot
  • Author(s): Jeremy Bicha
  • Date: 2013-03-06 12:08:47 UTC
  • mfrom: (1.5.1) (14.1.8 experimental)
  • Revision ID: package-import@ubuntu.com-20130306120847-frjfaryb2zrotwcg
Tags: 2.66a-1ubuntu1
https://launchpad.net/bugs/1076930
https://launchpad.net/bugs/1089256
https://launchpad.net/bugs/1052743
https://launchpad.net/bugs/999024
* Resynchronize with Debian (LP: #1076930, #1089256, #1052743, #999024,
  #1122888, #1147084)
* debian/control:
  - Lower build-depends on libavcodec-dev since we're not
    doing the libav9 transition in Ubuntu yet

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source/blender/compositor/operations/COM_BoxMaskOperation.cpp
 
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/*
 
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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_BoxMaskOperation.h"
 
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#include "BLI_math.h"
 
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#include "DNA_node_types.h"
 
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BoxMaskOperation::BoxMaskOperation() : NodeOperation()
 
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{
 
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        this->addInputSocket(COM_DT_VALUE);
 
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        this->addInputSocket(COM_DT_VALUE);
 
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        this->addOutputSocket(COM_DT_VALUE);
 
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        this->m_inputMask = NULL;
 
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        this->m_inputValue = NULL;
 
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        this->m_cosine = 0.0f;
 
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        this->m_sine = 0.0f;
 
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}
 
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void BoxMaskOperation::initExecution()
 
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{
 
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        this->m_inputMask = this->getInputSocketReader(0);
 
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        this->m_inputValue = this->getInputSocketReader(1);
 
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        const double rad = DEG2RAD((double)this->m_data->rotation);
 
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        this->m_cosine = cos(rad);
 
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        this->m_sine = sin(rad);
 
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        this->m_aspectRatio = ((float)this->getWidth()) / this->getHeight();
 
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}
 
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void BoxMaskOperation::executePixel(float output[4], float x, float y, PixelSampler sampler)
 
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{
 
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        float inputMask[4];
 
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        float inputValue[4];
 
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        float rx = x / this->getWidth();
 
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        float ry = y / this->getHeight();
 
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        const float dy = (ry - this->m_data->y) / this->m_aspectRatio;
 
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        const float dx = rx - this->m_data->x;
 
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        rx = this->m_data->x + (this->m_cosine * dx + this->m_sine * dy);
 
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        ry = this->m_data->y + (-this->m_sine * dx + this->m_cosine * dy);
 
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        this->m_inputMask->read(inputMask, x, y, sampler);
 
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        this->m_inputValue->read(inputValue, x, y, sampler);
 
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        float halfHeight = this->m_data->height / 2.0f;
 
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        float halfWidth = this->m_data->width / 2.0f;
 
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        bool inside = (rx > this->m_data->x - halfWidth &&
 
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                       rx < this->m_data->x + halfWidth &&
 
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                       ry > this->m_data->y - halfHeight &&
 
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                       ry < this->m_data->y + halfHeight);
 
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        switch (this->m_maskType) {
 
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                case CMP_NODE_MASKTYPE_ADD:
 
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                        if (inside) {
 
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                                output[0] = max(inputMask[0], inputValue[0]);
 
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                        }
 
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                        else {
 
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                                output[0] = inputMask[0];
 
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                        }
 
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                        break;
 
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                case CMP_NODE_MASKTYPE_SUBTRACT:
 
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                        if (inside) {
 
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                                output[0] = inputMask[0] - inputValue[0];
 
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                                CLAMP(output[0], 0, 1);
 
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                        }
 
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                        else {
 
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                                output[0] = inputMask[0];
 
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                        }
 
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                        break;
 
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                case CMP_NODE_MASKTYPE_MULTIPLY:
 
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                        if (inside) {
 
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                                output[0] = inputMask[0] * inputValue[0];
 
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                        }
 
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                        else {
 
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                                output[0] = 0;
 
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                        }
 
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                        break;
 
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                case CMP_NODE_MASKTYPE_NOT:
 
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                        if (inside) {
 
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                                if (inputMask[0] > 0.0f) {
 
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                                        output[0] = 0;
 
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                                }
 
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                                else {
 
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                                        output[0] = inputValue[0];
 
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                                }
 
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                        }
 
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                        else {
 
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                                output[0] = inputMask[0];
 
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                        }
 
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                        break;
 
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        }
 
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}
 
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void BoxMaskOperation::deinitExecution()
 
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{
 
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        this->m_inputMask = NULL;
 
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        this->m_inputValue = NULL;
 
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}
 
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