Install metainfo generally

AMD OpenGL driver on Windows doesn't generate mipmaps for sRGB textures
correctly

CMakeLists.txt

@@ -92,18 +92,16 @@ endif()
 
 install(TARGETS tenmon BUNDLE DESTINATION .)
 if(UNIX AND NOT APPLE)
+    include(GNUInstallDirs)
     find_program(XDG-DESKTOP-MENU_EXECUTABLE xdg-desktop-menu)
     if(XDG-DESKTOP-MENU_EXECUTABLE)
         install(SCRIPT install.cmake)
     else()
-        if(DEFINED ENV{FLATPAK_DEST})
+        install(FILES space.nouspiro.tenmon.desktop DESTINATION "${CMAKE_INSTALL_DATADIR}/applications")
-            install(FILES org.nou.tenmon.desktop DESTINATION "$ENV{FLATPAK_DEST}/share/applications")
+        install(FILES space.nouspiro.tenmon.png DESTINATION "${CMAKE_INSTALL_DATADIR}/icons/hicolor/64x64/apps")
-            install(FILES org.nou.tenmon.png DESTINATION "$ENV{FLATPAK_DEST}/share/icons/hicolor/32x32/apps")
+        install(FILES space.nouspiro.tenmon_128.png DESTINATION "${CMAKE_INSTALL_DATADIR}/icons/hicolor/128x128/apps" RENAME space.nouspiro.tenmon.png)
-        else()
-            install(FILES org.nou.tenmon.desktop DESTINATION "/usr/share/applications")
-            install(FILES org.nou.tenmon.png DESTINATION "/usr/share/icons/hicolor/32x32/apps")
-        endif()
     endif()
+    install(FILES space.nouspiro.tenmon.metainfo.xml DESTINATION "${CMAKE_INSTALL_DATADIR}/metainfo")
 endif(UNIX AND NOT APPLE)
 
 option(RELEASE_BUILD "Release build" OFF)

about/tenmon

@@ -1,5 +1,5 @@
 <table><tr>
-<td style="padding-right:10px"><img src=":/org.nou.tenmon.png"></td>
+<td style="padding-right:10px"><img src=":/space.nouspiro.tenmon.png"></td>
 <td><h3>Tenmon</h3>
 Tenmon is FITS/XISF image viewer and converter. It also index FITS keywords.<br>
 v@GITVERSION@ Copyright © 2022 Dušan Poizl<br><br>

imagescrollareagl.cpp

@@ -11,6 +11,7 @@
 #include <QCoreApplication>
 #include <QPainter>
 #include <QFileInfo>
+#include <cmath>
 
 struct RawImageType
 {
@@ -36,6 +37,8 @@ const RawImageType rawImageTypes[] = {
     {QOpenGLTexture::RGB, QOpenGLTexture::RGB32F, QOpenGLTexture::Float32, false}
 };
 
+static bool MANUAL_MIPMAP_GEN = false;
+
 void setScrollRange(QScrollBar *scrollBar, int newRange)
 {
     int page = scrollBar->pageStep();
@@ -105,8 +108,11 @@ void ImageWidget::setImage(std::shared_ptr<RawImage> image, int index)
     m_currentImg = index;
 
     const RawImageType &rawImageType = rawImageTypes[image->type()];
+    m_srgb = rawImageType.textureFormat == QOpenGLTexture::SRGB8 || rawImageType.textureFormat == QOpenGLTexture::SRGB8_Alpha8;
+    m_bwImg = rawImageType.bw;
 
     m_image->destroy();
+    m_image->setAutoMipMapGenerationEnabled(false);
     m_image->setFormat(rawImageType.textureFormat);
     m_image->setSize(image->width(), image->height());
     m_image->setMipLevels([&](){ int c = 0; int s = std::min(m_imgWidth, m_imgHeight); while(s>>=1)c++; return c; }());
@@ -115,10 +121,42 @@ void ImageWidget::setImage(std::shared_ptr<RawImage> image, int index)
     m_image->setWrapMode(QOpenGLTexture::ClampToEdge);
     m_image->setBorderColor(0, 0, 0, 0);
     m_image->setData(0, rawImageType.pixelFormat, rawImageType.dataType, (const void*)image->data(), m_transferOptions.get());
+
+    auto sRGB_linear = [](cv::Point3f &pixel, const int *pos)
+    {
+        pixel.x = pixel.x <= 0.04045f ? pixel.x / 12.92f : std::pow((pixel.x + 0.055) / 1.055f, 2.4f);
+        pixel.y = pixel.y <= 0.04045f ? pixel.y / 12.92f : std::pow((pixel.y + 0.055) / 1.055f, 2.4f);
+        pixel.z = pixel.z <= 0.04045f ? pixel.z / 12.92f : std::pow((pixel.z + 0.055) / 1.055f, 2.4f);
+    };
+
+    auto linear_sRGB = [](cv::Point3f &pixel, const int *pos)
+    {
+        pixel.x = pixel.x <= 0.0031308f ? pixel.x * 12.92f : 1.055f * std::pow(pixel.x , 1/2.4f) - 0.055f;
+        pixel.y = pixel.y <= 0.0031308f ? pixel.y * 12.92f : 1.055f * std::pow(pixel.y , 1/2.4f) - 0.055f;
+        pixel.z = pixel.z <= 0.0031308f ? pixel.z * 12.92f : 1.055f * std::pow(pixel.z , 1/2.4f) - 0.055f;
+    };
+
+    //AMD OpenGL driver on Windows doesn't generate mipmaps for sRGB textures correctly
+    if(m_srgb && MANUAL_MIPMAP_GEN)
+    {
+        cv::Mat img = image->mat();
+        img.convertTo(img, CV_32FC3, 1/255.0);
+        img.forEach<cv::Point3f>(sRGB_linear);
+        cv::Size size(img.cols, img.rows);
+        for(int i=1; i<m_image->mipLevels(); i++)
+        {
+            cv::Mat mip;
+            size /= 2;
+            cv::resize(img, mip, size);
+            mip.copyTo(img);
+            mip.forEach<cv::Point3f>(linear_sRGB);
+            mip.convertTo(mip, CV_8UC3, 255);
+            m_image->setData(i, rawImageType.pixelFormat, rawImageType.dataType, (const void*)mip.ptr(), m_transferOptions.get());
+        }
+    }
+    else m_image->generateMipMaps();
+
     m_image->setLevelOfDetailRange(m_superpixel ? 1 : 0, m_image->mipMaxLevel());
-    m_image->generateMipMaps();
-    m_bwImg = rawImageType.bw;
-    m_srgb = rawImageType.textureFormat == QOpenGLTexture::SRGB8 || rawImageType.textureFormat == QOpenGLTexture::SRGB8_Alpha8;
     update();
 }
 
@@ -351,6 +389,8 @@ void ImageWidget::initializeGL()
     qDebug() << (char*)f->glGetString(GL_RENDERER);
     qDebug() << (char*)f->glGetString(GL_VERSION);
 
+    MANUAL_MIPMAP_GEN = QString((const char*)f->glGetString(GL_VENDOR)).startsWith("ATI Technologies Inc", Qt::CaseInsensitive);
+
     qDebug() << context()->format();
 
     // each vertex is  x,y 2D position and s,t texture coordinates

install.cmake

@@ -1,4 +1,5 @@
 find_program(XDG-DESKTOP-MENU_EXECUTABLE xdg-desktop-menu)
 find_program(XDG-ICON-RESOURCE_EXECUTABLE xdg-icon-resource)
-execute_process(COMMAND ${XDG-DESKTOP-MENU_EXECUTABLE} install --novendor org.nou.tenmon.desktop WORKING_DIRECTORY ${CMAKE_CURRENT_LIST_DIR})
+execute_process(COMMAND ${XDG-DESKTOP-MENU_EXECUTABLE} install --novendor space.nouspiro.tenmon.desktop WORKING_DIRECTORY ${CMAKE_CURRENT_LIST_DIR})
-execute_process(COMMAND ${XDG-ICON-RESOURCE_EXECUTABLE} install --novendor --size 32 org.nou.tenmon.png org.nou.tenmon WORKING_DIRECTORY ${CMAKE_CURRENT_LIST_DIR})
+execute_process(COMMAND ${XDG-ICON-RESOURCE_EXECUTABLE} install --novendor --size 64 space.nouspiro.tenmon.png space.nouspiro.tenmon WORKING_DIRECTORY ${CMAKE_CURRENT_LIST_DIR})
+execute_process(COMMAND ${XDG-ICON-RESOURCE_EXECUTABLE} install --novendor --size 128 space.nouspiro.tenmon_128.png space.nouspiro.tenmon WORKING_DIRECTORY ${CMAKE_CURRENT_LIST_DIR})

main.cpp

@@ -23,7 +23,7 @@ int main(int argc, char *argv[])
     QApplication a(argc, argv);
     a.setOrganizationName("nou");
     a.setApplicationName("Tenmon");
-    a.setWindowIcon(QIcon(":/org.nou.tenmon.png"));
+    a.setWindowIcon(QIcon(":/space.nouspiro.tenmon.png"));
 
     QTranslator translator;
     QTranslator translator2;

resources.qrc

@@ -3,7 +3,7 @@
         <file>invert.png</file>
         <file>nuke.png</file>
         <file>bayer.png</file>
-        <file>org.nou.tenmon.png</file>
+        <file>space.nouspiro.tenmon.png</file>
         <file>nuke_a.png</file>
         <file>about/tenmon</file>
         <file>about/pcl</file>

space.nouspiro.tenmon.desktop

@@ -1,7 +1,7 @@
 [Desktop Entry]
 Type=Application
 Exec=tenmon %U
-Icon=org.nou.tenmon
+Icon=space.nouspiro.tenmon
 Comment=FITS Image viewer
 Name=Tenmon
 Categories=Graphics;2DGraphics;RasterGraphics;Viewer;

space.nouspiro.tenmon.metainfo.xml

@@ -0,0 +1,44 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<component type="desktop">
+    <id>space.nouspiro.tenmon</id>
+    <launchable type="desktop-id">space.nouspiro.tenmon.desktop</launchable>
+    <name>Tenmon</name>
+    <summary>FITS/XISF image viewer, converter, index and search</summary>
+    <metadata_license>CC0-1.0</metadata_license>
+    <project_license>GPL-3.0</project_license>
+    <description>
+        <p>
+            It is intended primarily for viewing astro photos and images. It supports the following formats:
+            <ul>
+                <li>FITS 8, 16 bit integer and 32 bit float</li>
+                <li>XISF 8, 16 bit integer and 32 bit float</li>
+                <li>JPEG and PNG images</li>
+            </ul>
+        </p>
+            Features:
+            <ul>
+                <li>Using same stretch function as PixInsight</li>
+                <li>OpenGL accelerated drawing</li>
+                <li>Index and search FITS XISF header data</li>
+                <li>Quick mark images and then copy/move marked files</li>
+                <li>Convert FITS &lt;-&gt; XISF</li>
+                <li>Convert FITS/XISF -&gt; JPEG/PNG</li>
+                <li>Image statistics mean, media, min, max</li>
+                <li>Support for WCS</li>
+                <li>Thumbnails</li>
+            </ul>
+        <p>
+        </p>
+    </description>
+    <url type="homepage">https://nouspiro.space/?page_id=206</url>
+    <screenshots>
+        <screenshot type="default">
+            <image>https://nouspiro.space/wp-content/uploads/2022/04/tenmon-1024x579.png</image>
+        </screenshot>
+    </screenshots>
+    <content_rating type="oars-1.1"/>
+    <releases>
+        <release version="20221121" date="2022-11-11"/>
+        <release version="20221023" date="2022-10-23"/>
+    </releases>
+</component>

space.nouspiro.tenmon.svg

@@ -0,0 +1,65 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Inkscape (http://www.inkscape.org/) -->
+
+<svg
+   width="128"
+   height="128"
+   viewBox="0 0 33.866666 33.866668"
+   version="1.1"
+   id="svg5"
+   inkscape:version="1.1.2 (0a00cf5339, 2022-02-04)"
+   sodipodi:docname="space.nouspiro.tenmon.svg"
+   inkscape:export-filename="/home/nou/c++/tenmon/space.nouspiro.tenmon_128.png"
+   inkscape:export-xdpi="96.000008"
+   inkscape:export-ydpi="96.000008"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:svg="http://www.w3.org/2000/svg">
+  <sodipodi:namedview
+     id="namedview7"
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1.0"
+     inkscape:pageshadow="2"
+     inkscape:pageopacity="0.0"
+     inkscape:pagecheckerboard="0"
+     inkscape:document-units="mm"
+     showgrid="false"
+     units="px"
+     width="128px"
+     inkscape:zoom="2.6547419"
+     inkscape:cx="54.430903"
+     inkscape:cy="78.162024"
+     inkscape:window-width="1862"
+     inkscape:window-height="1136"
+     inkscape:window-x="58"
+     inkscape:window-y="27"
+     inkscape:window-maximized="1"
+     inkscape:current-layer="layer1" />
+  <defs
+     id="defs2" />
+  <g
+     inkscape:label="Vrstva 1"
+     inkscape:groupmode="layer"
+     id="layer1">
+    <rect
+       style="fill:#000000;stroke:#ffffff;stroke-width:0;stroke-linejoin:round"
+       id="rect1196"
+       width="33.866665"
+       height="33.866665"
+       x="5e-07"
+       y="5e-07" />
+    <text
+       xml:space="preserve"
+       style="font-style:normal;font-weight:normal;font-size:17.276px;line-height:1.25;font-family:sans-serif;letter-spacing:0px;word-spacing:0px;fill:#ffffff;fill-opacity:1;stroke:none;stroke-width:0.359917"
+       x="-0.41414261"
+       y="23.331123"
+       id="text8592"><tspan
+         sodipodi:role="line"
+         id="tspan8590"
+         style="fill:#ffffff;stroke-width:0.359917"
+         x="-0.41414261"
+         y="23.331123">天文</tspan></text>
+  </g>
+</svg>

tenmon.desktop

@@ -1,9 +0,0 @@
-[Desktop Entry]
-Type=Application
-Exec=Tenmon %U
-Icon=org.nou.tenmon
-Comment=FITS Image viewer
-Name=Tenmon
-Categories=Graphics;2DGraphics;RasterGraphics;Viewer;
-MimeType=image/fits;image/x-xisf;
-Terminal=false