Mercurial > hg > orthanc-stone
view OrthancStone/Sources/Toolbox/PixelTestPatterns.h @ 2146:743fa9c74443 dicom-sr tip
integration mainline->dicom-sr
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Fri, 16 Aug 2024 18:09:53 +0200 |
parents | 16c01cc201e7 |
children |
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/** * Stone of Orthanc * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics * Department, University Hospital of Liege, Belgium * Copyright (C) 2017-2023 Osimis S.A., Belgium * Copyright (C) 2021-2024 Sebastien Jodogne, ICTEAM UCLouvain, Belgium * * This program is free software: you can redistribute it and/or * modify it under the terms of the GNU Lesser 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 * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this program. If not, see * <http://www.gnu.org/licenses/>. **/ // PixelTestPatterns.h #pragma once #include "../StoneException.h" #include <Images/ImageAccessor.h> #include <string> #include <stdint.h> #include <math.h> namespace OrthancStone { namespace PixelTestPatterns { template<typename T, typename U> inline uint8_t byteAddClip(T v1, U v2) { double tmp = static_cast<double>(v1) + static_cast<double>(v2); if (tmp > 255.0) tmp = 255; if (tmp < 0.0) tmp = 0; return static_cast<uint8_t>(tmp+0.5); } // fills the area with a horizontal gradient. // leftmost pixels are filled with r0 g0 b0 // rightmost pixels are filled with r1 g1 b1 // linear interpolation in-between inline void fillWithHGradient(Orthanc::ImageAccessor& target, uint8_t r0, uint8_t g0, uint8_t b0, uint8_t r1, uint8_t g1, uint8_t b1) { if (target.GetFormat() != Orthanc::PixelFormat_RGBA32) { ORTHANC_ASSERT(false, "Wrong pixel format"); } const unsigned int width = target.GetWidth(); const unsigned int height = target.GetHeight(); ORTHANC_ASSERT(width > 0); ORTHANC_ASSERT(height > 0); double invWidth = 1.0 / static_cast<double>(target.GetWidth()); double rIncr = (static_cast<double>(r1) - static_cast<double>(r0))* invWidth; double gIncr = (static_cast<double>(g1) - static_cast<double>(g0))* invWidth; double bIncr = (static_cast<double>(b1) - static_cast<double>(b0))* invWidth; for (unsigned int y = 0; y < height; y++) { uint8_t r = r0; uint8_t g = g0; uint8_t b = b0; uint8_t* q = reinterpret_cast<uint8_t*>(target.GetRow(y)); for (unsigned int x = 0; x < width; x++) { q[0] = r; q[1] = g; q[2] = b; q[3] = 255; r = byteAddClip(r, rIncr); g = byteAddClip(g, gIncr); b = byteAddClip(b, bIncr); q += 4; } } } inline void fillWithVGradient(Orthanc::ImageAccessor& target, uint8_t r0, uint8_t g0, uint8_t b0, uint8_t r1, uint8_t g1, uint8_t b1) { if (target.GetFormat() != Orthanc::PixelFormat_RGBA32) { ORTHANC_ASSERT(false, "Wrong pixel format"); } const unsigned int width = target.GetWidth(); const unsigned int height = target.GetHeight(); ORTHANC_ASSERT(width > 0); ORTHANC_ASSERT(height > 0); double invHeight = 1.0 / static_cast<double>(target.GetHeight()); double rIncr = (static_cast<double>(r1) - static_cast<double>(r0))* invHeight; double gIncr = (static_cast<double>(g1) - static_cast<double>(g0))* invHeight; double bIncr = (static_cast<double>(b1) - static_cast<double>(b0))* invHeight; uint8_t r = r0; uint8_t g = g0; uint8_t b = b0; for (unsigned int y = 0; y < height; y++) { uint8_t* q = reinterpret_cast<uint8_t*>(target.GetRow(y)); for (unsigned int x = 0; x < width; x++) { q[0] = r; q[1] = g; q[2] = b; q[3] = 255; q += 4; } r = byteAddClip(r, rIncr); g = byteAddClip(g, gIncr); b = byteAddClip(b, bIncr); } } } }