libjxl

FORK: libjxl patches used on blog
git clone https://git.neptards.moe/blog/libjxl.git
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compare_codecs.cc (2538B)

      1 // Copyright (c) the JPEG XL Project Authors. All rights reserved.
      2 //
      3 // Use of this source code is governed by a BSD-style
      4 // license that can be found in the LICENSE file.
      5 
      6 #include <stdlib.h>
      7 
      8 #include <QApplication>
      9 #include <QCommandLineParser>
     10 #include <QMessageBox>
     11 #include <QString>
     12 #include <QStringList>
     13 
     14 #include "tools/comparison_viewer/codec_comparison_window.h"
     15 
     16 int main(int argc, char** argv) {
     17   QApplication application(argc, argv);
     18 
     19   QCommandLineParser parser;
     20   parser.setApplicationDescription(
     21       QCoreApplication::translate("compare_codecs", "Codec comparison tool"));
     22   parser.addHelpOption();
     23 
     24   QCommandLineOption intensityTargetOption(
     25       {"intensity-target", "intensity_target", "i"},
     26       QCoreApplication::translate("compare_codecs",
     27                                   "The peak luminance of the display."),
     28       QCoreApplication::translate("compare_codecs", "nits"),
     29       QString::number(jxl::kDefaultIntensityTarget));
     30   parser.addOption(intensityTargetOption);
     31 
     32   parser.addPositionalArgument(
     33       "folders", QCoreApplication::translate("compare_codecs", "Image folders"),
     34       "<folders>...");
     35 
     36   parser.process(application);
     37 
     38   bool ok;
     39   const float intensityTarget =
     40       parser.value(intensityTargetOption).toFloat(&ok);
     41   if (!ok) {
     42     parser.showHelp(EXIT_FAILURE);
     43   }
     44 
     45   QStringList folders = parser.positionalArguments();
     46 
     47   if (folders.empty()) {
     48     QMessageBox message;
     49     message.setIcon(QMessageBox::Information);
     50     message.setWindowTitle(
     51         QCoreApplication::translate("CodecComparisonWindow", "Usage"));
     52     message.setText(QCoreApplication::translate(
     53         "CodecComparisonWindow", "Please specify a directory to use."));
     54     message.setDetailedText(QCoreApplication::translate(
     55         "CodecComparisonWindow",
     56         "That directory should contain images in the following layout:\n"
     57         "- .../<image name>/original.png (optional)\n"
     58         "- .../<image_name>/<codec_name>/<compression_level>.<ext>\n"
     59         "- .../<image_name>/<codec_name>/<compression_level>.png (optional for "
     60         "formats that Qt can load)\n"
     61         "With arbitrary nesting allowed before that. (The \"...\" part is "
     62         "referred to as an \"image set\" by the tool."));
     63     message.exec();
     64     return EXIT_FAILURE;
     65   }
     66 
     67   for (const QString& folder : folders) {
     68     auto* const window =
     69         new jpegxl::tools::CodecComparisonWindow(folder, intensityTarget);
     70     window->setAttribute(Qt::WA_DeleteOnClose);
     71     window->show();
     72   }
     73 
     74   return application.exec();
     75 }