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/*
* This file is part of vimix - video live mixer
*
* **Copyright** (C) 2019-2023 Bruno Herbelin <bruno.herbelin@gmail.com>
*
* 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 3 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, see <https://www.gnu.org/licenses/>.
**/
#include "Visitor/Visitor.h"
#include "ImageProcessingShader.h"
ShadingProgram imageProcessingShadingProgram("shaders/image.vs", "shaders/imageprocessing.fs");
ImageProcessingShader::ImageProcessingShader(): Shader()
{
program_ = &imageProcessingShadingProgram;
ImageProcessingShader::reset();
}
void ImageProcessingShader::use()
{
Shader::use();
program_->setUniform("brightness", brightness);
program_->setUniform("contrast", contrast);
program_->setUniform("saturation", saturation);
program_->setUniform("hueshift", hueshift);
program_->setUniform("threshold", threshold);
program_->setUniform("nbColors", nbColors);
program_->setUniform("invert", invert);
program_->setUniform("gamma", gamma);
program_->setUniform("levels", levels);
}
void ImageProcessingShader::reset()
{
Shader::reset();
// default values for image processing
brightness = 0.f;
contrast = 0.f;
saturation = 0.f;
hueshift = 0.f;
threshold = 0.f;
nbColors = 0;
invert = 0;
gamma = glm::vec4(1.f, 1.f, 1.f, 1.f);
levels = glm::vec4(0.f, 1.f, 0.f, 1.f);
}
void ImageProcessingShader::copy(ImageProcessingShader const& S)
{
brightness = S.brightness;
contrast = S.contrast;
saturation = S.saturation;
hueshift = S.hueshift;
threshold = S.threshold;
nbColors = S.nbColors;
invert = S.invert;
gamma = S.gamma;
levels = S.levels;
}
void ImageProcessingShader::accept(Visitor& v)
{
// Shader::accept(v);
v.visit(*this);
}
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