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authorJörg Frings-Fürst <debian@jff.email>2018-07-09 12:10:38 +0200
committerJörg Frings-Fürst <debian@jff.email>2018-07-09 12:10:38 +0200
commit709e2d6f5652ec90c194a4ec2b530bebc6f952cb (patch)
tree496b2f3899e1d5728ee9ae76095cc5056c317447 /src/graphics-processor.vala
parentf1353e9ffd34db5f755c7da0b3f9c10638fbfd38 (diff)
parent5c8be07095cc04a6d8a95204b0504fd7ab030154 (diff)
Merge branch 'release/0.28.3-1'0.28.3-1
Diffstat (limited to 'src/graphics-processor.vala')
-rw-r--r--src/graphics-processor.vala127
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;
+}