1 files changed, 127 insertions, 0 deletions
diff --git a/src/graphics-processor.vala b/src/graphics-processor.vala
new file mode 100644
index 0000000..dc46845
--- /dev/null
+++ b/src/graphics-processor.vala
@@ -0,0 +1,127 @@
+static string? input_file = null;
+static string? output_file = null;
+static string? pipeline = null;
+static bool auto_enhance = false;
+static string? format = null;
+static int jobs = -1;
+
+const GLib.OptionEntry[] options = {
+    { "input", 'i', 0, GLib.OptionArg.FILENAME, ref input_file, "FILE to process", "FILE" },
+    { "output", 'o', 0, GLib.OptionArg.FILENAME, ref output_file, "destination FILE", "FILE" },
+    { "pipeline", 'p', 0, GLib.OptionArg.FILENAME, ref pipeline, "graphics PIPELINE to run", "PIPELINE" },
+    { "auto-enance", 'a', 0, GLib.OptionArg.NONE, ref auto_enhance, "run auto-enhance on input file", null },
+    { "format", 'f', 0, GLib.OptionArg.STRING, ref format, "Save output file in specific format [png, jpeg (default)]", null},
+    { "jobs", 'j', 0, GLib.OptionArg.INT, ref jobs, "Number of parallel jobs to run on an image", null },
+    { null, 0, 0, GLib.OptionArg.NONE, null, null, null }
+};
+
+Gee.HashMap<string, KeyValueMap>? marshall_all_transformations(string filename) {
+    try {
+        var keyfile = new KeyFile();
+        if (filename.has_prefix("string:")) {
+            var data = "[adjustments]\n" + filename.substring(7).replace("&", "\n");
+            keyfile.load_from_data(data, data.length, KeyFileFlags.NONE);
+        } else {
+            keyfile.load_from_file(filename, KeyFileFlags.NONE);
+        }
+
+        var map = new Gee.HashMap<string, KeyValueMap>();
+
+        var objects = keyfile.get_groups();
+        foreach (var object in objects) {
+            var keys = keyfile.get_keys(object);
+            if (keys == null || keys.length == 0) {
+                continue;
+            }
+
+            var key_map = new KeyValueMap(object);
+            foreach (var key in keys) {
+                key_map.set_string(key, keyfile.get_string(object, key));
+            }
+            map.set(object, key_map);
+        }
+
+        return map;
+    } catch (Error err) {
+        error("%s", err.message);
+    }
+}
+
+int main(string[] args) {
+    var ctx = new OptionContext("- Apply shotwell transformations on commandline");
+    ctx.set_help_enabled(true);
+    ctx.set_ignore_unknown_options(true);
+    ctx.add_main_entries(options, null);
+
+    try {
+        ctx.parse(ref args);
+    } catch (Error error) {
+        print(ctx.get_help(true, null));
+
+        return 1;
+    }
+
+    if (input_file == null || output_file == null) {
+        print("You need to provide and input and output file\n");
+        print(ctx.get_help(true, null));
+
+        return 1;
+    }
+
+    if (auto_enhance == false && pipeline == null) {
+        print("No operation provided. Nothing to do.\n");
+
+        return 0;
+    }
+
+    Gdk.Pixbuf? src = null;
+    try {
+        src = new Gdk.Pixbuf.from_file(input_file);
+    } catch (Error err) {
+        error ("%s", err.message);
+    }
+
+    var output = src.copy();
+    PixelTransformationBundle? adjustments = null;
+
+    if (pipeline != null) {
+        var transformations = marshall_all_transformations(pipeline);
+
+        adjustments = new PixelTransformationBundle();
+        var map = transformations.get("adjustments");
+        if (map == null) {
+            adjustments.set_to_identity();
+        } else {
+            adjustments.load(map);
+        }
+    }
+
+    if (auto_enhance) {
+        adjustments = AutoEnhance.create_auto_enhance_adjustments(src);
+    }
+
+    var transformer = adjustments.generate_transformer();
+    var timer = new Timer();
+    transformer.transform_to_other_pixbuf(src, output, null, jobs);
+    var elapsed = timer.elapsed();
+
+    print("Transformation took %f\n", elapsed);
+
+    // Trz to guess output format. If it's not PNG, assume JPEG.
+    if (format == null) {
+        var content_type = ContentType.guess(output_file, null, null);
+        if (content_type == "image/png") {
+            format = "png";
+        }
+
+        format = "jpeg";
+    }
+
+    try {
+        output.save(output_file, format, null);
+    } catch (Error err) {
+        error("%s", err.message);
+    }
+
+    return 0;
+}