Add --oneframe CLI param to load just one frame

src/app/cli/app_options.cpp

@@ -61,6 +61,7 @@ AppOptions::AppOptions(int argc, const char* argv[])
 #endif
   , m_listLayers(m_po.add("list-layers").description("List layers of the next given sprite\nor include layers in JSON data"))
   , m_listTags(m_po.add("list-tags").description("List tags of the next given sprite sprite\nor include frame tags in JSON data"))
+  , m_oneFrame(m_po.add("oneframe").description("Load just the first frame"))
   , m_verbose(m_po.add("verbose").mnemonic('v').description("Explain what is being done"))
   , m_debug(m_po.add("debug").description("Extreme verbose mode and\ncopy log to desktop"))
   , m_help(m_po.add("help").mnemonic('?').description("Display this help and exits"))

src/app/cli/app_options.h

@@ -75,6 +75,7 @@ public:
 #endif
   const Option& listLayers() const { return m_listLayers; }
   const Option& listTags() const { return m_listTags; }
+  const Option& oneFrame() const { return m_oneFrame; }
 
   bool hasExporterParams() const;
 
@@ -123,6 +124,7 @@ private:
 #endif
   Option& m_listLayers;
   Option& m_listTags;
+  Option& m_oneFrame;
 
   Option& m_verbose;
   Option& m_debug;

src/app/cli/cli_open_file.cpp

@@ -30,6 +30,7 @@ CliOpenFile::CliOpenFile()
   listTags = false;
   ignoreEmpty = false;
   trim = false;
+  oneFrame = false;
   crop = gfx::Rect();
 }
 

src/app/cli/cli_open_file.h

@@ -34,6 +34,7 @@ namespace app {
     bool listTags;
     bool ignoreEmpty;
     bool trim;
+    bool oneFrame;
     gfx::Rect crop;
 
     CliOpenFile();

src/app/cli/cli_processor.cpp

@@ -372,6 +372,10 @@ void CliProcessor::process()
           if (m_exporter)
             m_exporter->setListFrameTags(true);
         }
+        // --oneframe
+        else if (opt == &m_options.oneFrame()) {
+          cof.oneFrame = true;
+        }
       }
       // File names aren't associated to any option
       else {
@@ -412,6 +416,8 @@ bool CliProcessor::openFile(CliOpenFile& cof)
   Command* openCommand = CommandsModule::instance()->getCommandByName(CommandId::OpenFile);
   Params params;
   params.set("filename", cof.filename.c_str());
+  if (cof.oneFrame)
+    params.set("oneframe", "true");
   ctx->executeCommand(openCommand, params);
 
   app::Document* doc = ctx->activeDocument();

src/app/cli/preview_cli_delegate.cpp

@@ -66,6 +66,9 @@ void PreviewCliDelegate::afterOpenFile(const CliOpenFile& cof)
   if (cof.listTags)
     std::cout << "  - List tags\n";
 
+  if (cof.oneFrame)
+    std::cout << "  - One frame\n";
+
   if (cof.allLayers)
     std::cout << "  - Make all layers visible\n";
 

src/app/commands/cmd_open_file.cpp

@@ -79,6 +79,7 @@ OpenFileCommand::OpenFileCommand()
             "Open Sprite",
             CmdRecordableFlag)
   , m_repeatCheckbox(false)
+  , m_oneFrame(false)
   , m_seqDecision(SequenceDecision::Ask)
 {
 }
@@ -88,12 +89,13 @@ void OpenFileCommand::onLoadParams(const Params& params)
   m_filename = params.get("filename");
   m_folder = params.get("folder"); // Initial folder
   m_repeatCheckbox = (params.get("repeat_checkbox") == "true");
+  m_oneFrame = (params.get("oneframe") == "true");
 
   std::string sequence = params.get("sequence");
-  if (sequence == "agree")
-    m_seqDecision = SequenceDecision::Agree;
-  else if (sequence == "skip")
+  if (m_oneFrame || sequence == "skip")
     m_seqDecision = SequenceDecision::Skip;
+  else if (sequence == "agree")
+    m_seqDecision = SequenceDecision::Agree;
   else
     m_seqDecision = SequenceDecision::Ask;
 }
@@ -117,7 +119,11 @@ void OpenFileCommand::onExecute(Context* context)
                                          FileSelectorType::Open);
   }
 
-  if (!m_filename.empty()) {
+  // The user cancelled the operation through UI or isn't a filename
+  // specified in params.
+  if (m_filename.empty())
+    return;
+
   int flags = (m_repeatCheckbox ? FILE_LOAD_SEQUENCE_ASK_CHECKBOX: 0);
 
   switch (m_seqDecision) {
@@ -132,12 +138,18 @@ void OpenFileCommand::onExecute(Context* context)
       break;
   }
 
+  if (m_oneFrame)
+    flags |= FILE_LOAD_ONE_FRAME;
+
   base::UniquePtr<FileOp> fop(
     FileOp::createLoadDocumentOperation(
       context, m_filename.c_str(), flags));
   bool unrecent = false;
 
-    if (fop) {
+  // Do nothing (the user cancelled or something like that)
+  if (!fop)
+    return;
+
   if (fop->hasError()) {
     console.printf(fop->error().c_str());
     unrecent = true;
@@ -185,11 +197,6 @@ void OpenFileCommand::onExecute(Context* context)
     if (context->isUIAvailable())
       App::instance()->recentFiles()->removeRecentFile(m_filename.c_str());
   }
-    }
-    else {
-      // Do nothing (the user cancelled or something like that)
-    }
-  }
 }
 
 Command* CommandFactory::createOpenFileCommand()

src/app/commands/cmd_open_file.h

@@ -36,6 +36,7 @@ namespace app {
     std::string m_filename;
     std::string m_folder;
     bool m_repeatCheckbox;
+    bool m_oneFrame;
     std::vector<std::string> m_usedFiles;
     SequenceDecision m_seqDecision;
   };