Changeset 33926 for other-projects/maori-lang-detection/src/org/greenstone/atea/CountryCodeCountsMapData.java

Timestamp:

2020-02-14T23:03:21+13:00 (4 years ago)

Author:

ak19

Message:

Investigated some other options for screen capturing and Google chrome does the best job of the installed applications so far.

File:

• other-projects/maori-lang-detection/src/org/greenstone/atea/CountryCodeCountsMapData.java (modified) (2 diffs)

other-projects/maori-lang-detection/src/org/greenstone/atea/CountryCodeCountsMapData.java

@@ -159 +159 @@
     private final File outputFolder;
 
-
+    // Used to create screenshots
+    private final String MONITOR_RESOLUTION = "1920,1080"; // format: "x,y"
     
     public CountryCodeCountsMapData(String countryCountsJSONFilename) throws Exception {
@@ -645 +646 @@
     // https://stackoverflow.com/questions/49606051/how-to-take-a-screenshot-in-firefox-headless-selenium-in-java
     
-    // https://developer.mozilla.org/en-US/docs/Mozilla/Firefox/Headless_mode
+    
+    String mapURL = this.getAsMapURL();
+          ///String mapURLescapedForBash = .replace("\"", "\\\"");//.replace("[", "\\[").replace("]", "\\]");
+
+    // Testing the geojson.io URL with a simpler polygon. Also doesn't work.
+    //String mapURL = GEOJSON_MAP_TOOL_URL + DATA_STR + URLEncoder.encode("{\"type\":\"Polygon\",\"coordinates\":[[[-77,37],[-77,38],[-76,38],[-76,37],[-77,37]]]}");
+    
+    
+    File outputFile = new File(outputFolder + File.separator + fileNamePrefix+".png");
+    String outputFilePath = Utility.getFilePath(outputFile);
+
+
+    // https://developer.mozilla.org/en-US/docs/Mozilla/Firefox/Headless_mode   
     // /path/to/firefox -P my-profile --screenshot test.jpg  https://developer.mozilla.org --window-size=800,1000
     // https://stackoverflow.com/questions/15783701/which-characters-need-to-be-escaped-when-using-bash
-    
-    String mapURL = this.getAsMapURL();
-          ///String mapURLescapedForBash = .replace("\"", "\\\"");//.replace("[", "\\[").replace("]", "\\]");
-
-    // Testing the geojson.io URL with a simpler polygon. Also doesn't work.
-    //String mapURL = GEOJSON_MAP_TOOL_URL + DATA_STR + URLEncoder.encode("{\"type\":\"Polygon\",\"coordinates\":[[[-77,37],[-77,38],[-76,38],[-76,37],[-77,37]]]}");
-    
-    
-    File outputFile = new File(outputFolder + File.separator + fileNamePrefix+".png");
-    String outputFilePath = Utility.getFilePath(outputFile);
-
+    // FIREFOX doesn't work as expected: screenshot appears to happen too fast, before json completely loaded
+
+    /*
     String[] cmdArgs = {
         "firefox",
         "--screenshot",
         outputFilePath,
+        //"--delay=5", // only in firefox console?
+        "--window-size="+MONITOR_RESOLUTION,
         mapURL //mapURLescapedForBash //"'" + mapURL + "'"
     };
-
+    */
+    
+    // Trying CHROME - background world map is faded at times or else blocky, page not loaded fully?
+    //https://www.bleepingcomputer.com/news/software/chrome-and-firefox-can-take-screenshots-of-sites-from-the-command-line/
+    // https://bitsofco.de/using-a-headless-browser-to-capture-page-screenshots/
+    // https://developers.google.com/web/updates/2017/04/headless-chrome
+    
+    String[] cmdArgs = {
+        "/opt/google/chrome/chrome",
+        "--headless",
+        "--screenshot="+outputFilePath, //"--screenshot=\""+outputFilePath+"\"",
+        "--window-size="+MONITOR_RESOLUTION, //"--window-size=1024,1024",
+        mapURL
+    };
+    
+   
+    /*
+      //WORKS TO RUN FIREFOX TO OPEN A NEW TAB WITH MAPDATA:
+      // https://askubuntu.com/questions/57163/how-to-open-an-url-from-command-line-to-firefox-and-switch-to-tab
+    String[] cmdArgs = {
+        "firefox",
+        "-new-tab",
+        mapURL
+    };
+    */
+
+    /* Can try CutyCapt, http://cutycapt.sourceforge.net/
+        mentioned at https://bugzilla.mozilla.org/show_bug.cgi?id=1412061
+     It requires Qt 4.4.0+.
+     It's installed, https://askubuntu.com/questions/435564/qt5-installation-and-path-configuration
+     Versions 4 and 5 are installed, seen if I run
+        qtchooser -list-versions
+     And when I run: whereis qt5
+        qt5: /usr/share/qt5
+     https://unix.stackexchange.com/questions/116254/how-do-i-change-which-version-of-qt-is-used-for-qmake
+
+     No, doesn't appear to be installed.
+    */
     
     System.err.println();