static void
attach (GeglOperation *operation)
{
GeglNode *gegl, *input, *output, *add, *multiply, *subtract, *blur;
gegl = operation->node;
input = gegl_node_get_input_proxy (gegl, "input");
output = gegl_node_get_output_proxy (gegl, "output");
add = gegl_node_new_child (gegl, "operation", "gegl:add", NULL);
multiply = gegl_node_new_child (gegl, "operation", "gegl:multiply", NULL);
subtract = gegl_node_new_child (gegl, "operation", "gegl:subtract", NULL);
blur = gegl_node_new_child (gegl, "operation", "gegl:gaussian-blur", NULL);
gegl_node_link_many (input, subtract, multiply, NULL);
gegl_node_link (input, blur);
gegl_node_link_many (multiply, add, output, NULL);
gegl_node_connect_from (subtract, "aux", blur, "output");
gegl_node_connect_from (add, "aux", input, "output");
gegl_operation_meta_redirect (operation, "scale", multiply, "value");
gegl_operation_meta_redirect (operation, "std-dev", blur, "std-dev-x");
gegl_operation_meta_redirect (operation, "std-dev", blur, "std-dev-y");
gegl_operation_meta_watch_nodes (operation, add, multiply, subtract, blur, NULL);
}
static void attach (GeglOperation *operation)
{
GeglNode *gegl = operation->node;
GeglNode *input, *output, *subtract, *blur1, *blur2;
input = gegl_node_get_input_proxy (gegl, "input");
output = gegl_node_get_output_proxy (gegl, "output");
subtract = gegl_node_new_child (gegl,
"operation", "gegl:subtract",
NULL);
blur1 = gegl_node_new_child (gegl,
"operation", "gegl:gaussian-blur",
NULL);
blur2 = gegl_node_new_child (gegl,
"operation", "gegl:gaussian-blur",
NULL);
gegl_node_link_many (input, blur1, subtract, output, NULL);
gegl_node_link (input, blur2);
gegl_node_connect_from (subtract, "aux", blur2, "output");
gegl_operation_meta_redirect (operation, "radius1", blur1, "std-dev-x");
gegl_operation_meta_redirect (operation, "radius1", blur1, "std-dev-y");
gegl_operation_meta_redirect (operation, "radius2", blur2, "std-dev-x");
gegl_operation_meta_redirect (operation, "radius2", blur2, "std-dev-y");
gegl_operation_meta_watch_nodes (operation, subtract, blur1, blur2, NULL);
}
static void
gimp_blend_tool_create_graph (GimpBlendTool *blend_tool)
{
GimpBlendOptions *options = GIMP_BLEND_TOOL_GET_OPTIONS (blend_tool);
GimpContext *context = GIMP_CONTEXT (options);
GeglNode *graph, *output, *render;
/* render_node is not supposed to be recreated */
g_return_if_fail (blend_tool->graph == NULL);
graph = gegl_node_new ();
output = gegl_node_get_output_proxy (graph, "output");
render = gegl_node_new_child (graph,
"operation", "gimp:blend",
NULL);
gegl_node_link (render, output);
blend_tool->graph = graph;
blend_tool->render_node = render;
gegl_node_set (render,
"context", context,
NULL);
}
void dt_dev_pixelpipe_create_nodes(dt_dev_pixelpipe_t *pipe, dt_develop_t *dev)
{
// gegl_node_disconnect(pipe->output, "input");
// gegl_node_disconnect(pipe->scale, "input");
// for all modules in dev:
GList *modules = dev->iop;
GeglNode *input = pipe->input;
// GeglNode *input = pipe->scale;
while(modules)
{
// TODO: if enabled.
dt_iop_module_t *module = (dt_iop_module_t *)modules->data;
printf("connecting %s\n", module->op);
dt_dev_pixelpipe_iop_t *piece = (dt_dev_pixelpipe_iop_t *)malloc(sizeof(dt_dev_pixelpipe_iop_t));
piece->module = module;
piece->data = NULL;
piece->module->init_pipe(piece->module, pipe, piece);
gegl_node_link(input, piece->input);
input = piece->output;
pipe->nodes = g_list_append(pipe->nodes, piece);
modules = g_list_next(modules);
}
pipe->output = input;
// gegl_node_link(input, pipe->scale);
// gegl_node_link(input, pipe->output);
}
static void
standard_output (const gchar *op_name)
{
GeglNode *composition, *input, *aux, *operation, *crop, *output;
gchar *input_path = g_build_path (G_DIR_SEPARATOR_S, data_dir,
"standard-input.png", NULL);
gchar *aux_path = g_build_path (G_DIR_SEPARATOR_S, data_dir,
"standard-aux.png", NULL);
gchar *output_path = operation_to_path (op_name, FALSE);
composition = gegl_node_new ();
operation = gegl_node_create_child (composition, op_name);
if (gegl_node_has_pad (operation, "output"))
{
input = gegl_node_new_child (composition,
"operation", "gegl:load",
"path", input_path,
NULL);
aux = gegl_node_new_child (composition,
"operation", "gegl:load",
"path", aux_path,
NULL);
crop = gegl_node_new_child (composition,
"operation", "gegl:crop",
"width", 200.0,
"height", 200.0,
NULL);
output = gegl_node_new_child (composition,
"operation", "gegl:png-save",
"compression", 9,
"path", output_path,
NULL);
gegl_node_link_many (operation, crop, output, NULL);
if (gegl_node_has_pad (operation, "input"))
gegl_node_link (input, operation);
if (gegl_node_has_pad (operation, "aux"))
gegl_node_connect_to (aux, "output", operation, "aux");
gegl_node_process (output);
}
g_free (input_path);
g_free (aux_path);
g_free (output_path);
g_object_unref (composition);
}
void
save_png(MyPaintSurface *surface, const char *path,
int x, int y, int width, int height)
{
MyPaintGeglTiledSurface *self = (MyPaintGeglTiledSurface *)surface;
GeglNode *graph, *save, *source;
graph = gegl_node_new();
source = gegl_node_new_child(graph, "operation", "gegl:buffer-source",
"buffer", mypaint_gegl_tiled_surface_get_buffer(self), NULL);
save = gegl_node_new_child(graph, "operation", "gegl:png-save", "path", path, NULL);
gegl_node_link(source, save);
gegl_node_process(save);
g_object_unref(graph);
}
static void
photos_thumbnailer_generate_thumbnail_pixbuf (GObject *source_object, GAsyncResult *res, gpointer user_data)
{
GCancellable *cancellable;
g_autoptr (GTask) task = G_TASK (user_data);
g_autoptr (GdkPixbuf) pixbuf = NULL;
g_autoptr (GeglBuffer) buffer = NULL;
g_autoptr (GeglBuffer) buffer_oriented = NULL;
GeglNode *buffer_source;
GeglNode *pipeline_node;
g_autoptr (GeglProcessor) processor = NULL;
PhotosThumbnailerGenerateData *data;
cancellable = g_task_get_cancellable (task);
data = g_task_get_task_data (task);
{
g_autoptr (GError) error = NULL;
pixbuf = photos_pixbuf_new_from_file_at_size_finish (res, &error);
if (error != NULL)
{
g_task_return_error (task, g_steal_pointer (&error));
goto out;
}
}
buffer = photos_gegl_buffer_new_from_pixbuf (pixbuf);
buffer_oriented = photos_gegl_buffer_apply_orientation (buffer, data->orientation);
buffer_source = gegl_node_new_child (data->graph, "operation", "gegl:buffer-source", "buffer", buffer_oriented, NULL);
pipeline_node = photos_pipeline_get_graph (data->pipeline);
gegl_node_link (buffer_source, pipeline_node);
processor = gegl_node_new_processor (pipeline_node, NULL);
photos_gegl_processor_process_async (processor,
cancellable,
photos_thumbnailer_generate_thumbnail_process,
g_object_ref (task));
out:
return;
}
static void attach (GeglOperation *operation)
{
GeglChantO *o = GEGL_CHANT_PROPERTIES (operation);
Priv *priv = g_new0 (Priv, 1);
o->chant_data = (void*) priv;
if (!priv->blur1)
{
GeglNode *gegl;
gegl = operation->node;
priv->input = gegl_node_get_input_proxy (gegl, "input");
priv->output = gegl_node_get_output_proxy (gegl, "output");
priv->subtract = gegl_node_new_child (gegl,
"operation", "gegl:subtract",
NULL);
priv->blur1 = gegl_node_new_child (gegl,
"operation", "gegl:gaussian-blur",
NULL);
priv->blur2 = gegl_node_new_child (gegl,
"operation", "gegl:gaussian-blur",
NULL);
gegl_node_link_many (priv->input, priv->blur1, priv->subtract, priv->output, NULL);
gegl_node_link (priv->input, priv->blur2);
gegl_node_connect_from (priv->subtract, "aux", priv->blur2, "output");
gegl_operation_meta_redirect (operation, "radius1", priv->blur1, "std-dev-x");
gegl_operation_meta_redirect (operation, "radius1", priv->blur1, "std-dev-y");
gegl_operation_meta_redirect (operation, "radius2", priv->blur2, "std-dev-x");
gegl_operation_meta_redirect (operation, "radius2", priv->blur2, "std-dev-y");
}
}
static gboolean
test_operation (const gchar *op_name,
const gchar *image,
gchar *output_path)
{
gchar *ref_path;
GeglNode *img, *ref_img, *gegl;
GeglRectangle ref_bounds, comp_bounds;
gint ref_pixels;
gboolean result = TRUE;
gegl = gegl_node_new ();
ref_path = g_build_path (G_DIR_SEPARATOR_S, reference_dir, image, NULL);
ref_img = gegl_node_new_child (gegl,
"operation", "gegl:load",
"path", ref_path,
NULL);
g_free (ref_path);
img = gegl_node_new_child (gegl,
"operation", "gegl:load",
"path", output_path,
NULL);
ref_bounds = gegl_node_get_bounding_box (ref_img);
comp_bounds = gegl_node_get_bounding_box (img);
ref_pixels = ref_bounds.width * ref_bounds.height;
if (ref_bounds.width != comp_bounds.width ||
ref_bounds.height != comp_bounds.height)
{
g_printf ("FAIL\n Reference and composition differ in size\n");
result = FALSE;
}
else
{
GeglNode *comparison;
gdouble max_diff;
comparison = gegl_node_create_child (gegl, "gegl:image-compare");
gegl_node_link (img, comparison);
gegl_node_connect_to (ref_img, "output", comparison, "aux");
gegl_node_process (comparison);
gegl_node_get (comparison, "max diff", &max_diff, NULL);
if (max_diff < 1.0)
{
g_printf ("PASS\n");
result = TRUE;
}
else
{
GeglNode *output;
gchar *diff_path;
gdouble avg_diff_wrong, avg_diff_total;
gint wrong_pixels;
gegl_node_get (comparison, "avg_diff_wrong", &avg_diff_wrong,
"avg_diff_total", &avg_diff_total, "wrong_pixels",
&wrong_pixels, NULL);
g_printf ("FAIL\n Reference image and composition differ\n"
" wrong pixels : %i/%i (%2.2f%%)\n"
" max Δe : %2.3f\n"
" avg Δe : %2.3f (wrong) %2.3f (total)\n",
wrong_pixels, ref_pixels,
(wrong_pixels * 100.0 / ref_pixels),
max_diff, avg_diff_wrong, avg_diff_total);
diff_path = operation_to_path (op_name, TRUE);
output = gegl_node_new_child (gegl,
"operation", "gegl:png-save",
"path", diff_path,
NULL);
gegl_node_link (comparison, output);
gegl_node_process (output);
g_free (diff_path);
result = FALSE;
}
}
g_object_unref (gegl);
return result;
}
static gboolean
process_operations (GType type)
{
GType *operations;
gboolean result = TRUE;
guint count;
gint i;
operations = g_type_children (type, &count);
if (!operations)
{
g_free (operations);
return TRUE;
}
for (i = 0; i < count; i++)
{
GeglOperationClass *operation_class;
const gchar *image, *xml, *name;
gboolean matches;
operation_class = g_type_class_ref (operations[i]);
image = gegl_operation_class_get_key (operation_class, "reference-image");
xml = gegl_operation_class_get_key (operation_class, "reference-composition");
name = gegl_operation_class_get_key (operation_class, "name");
if (name == NULL)
{
result = result && process_operations (operations[i]);
continue;
}
matches = g_regex_match (regex, name, 0, NULL) &&
!g_regex_match (exc_regex, name, 0, NULL);
if (xml && matches)
{
GeglNode *composition;
if (output_all)
g_printf ("%s\n", name);
else if (image)
g_printf ("%s: ", name); /* more information will follow
if we're testing */
composition = gegl_node_new_from_xml (xml, data_dir);
if (!composition)
{
g_printf ("FAIL\n Composition graph is flawed\n");
result = FALSE;
}
else if (image || output_all)
{
gchar *output_path = operation_to_path (name, FALSE);
GeglNode *output =
gegl_node_new_child (composition,
"operation", "gegl:png-save",
"compression", 9,
"path", output_path,
NULL);
gegl_node_link (composition, output);
gegl_node_process (output);
g_object_unref (composition);
/* don't test if run with --all */
if (!output_all && image)
result = test_operation (name, image, output_path) && result;
g_free (output_path);
}
}
/* if we are running with --all and the operation doesn't have a
composition, use standard composition and images, don't test */
else if (output_all && matches &&
!(g_type_is_a (operations[i], GEGL_TYPE_OPERATION_SINK) ||
g_type_is_a (operations[i], GEGL_TYPE_OPERATION_TEMPORAL)))
{
g_printf ("%s\n", name);
standard_output (name);
}
result = process_operations (operations[i]) && result;
}
g_free (operations);
return result;
}
static void
standard_output (const gchar *op_name)
{
GeglNode *composition, *input, *aux, *operation, *crop, *output, *translate;
GeglNode *background, *over;
gchar *input_path = g_build_path (G_DIR_SEPARATOR_S, data_dir,
"standard-input.png", NULL);
gchar *aux_path = g_build_path (G_DIR_SEPARATOR_S, data_dir,
"standard-aux.png", NULL);
gchar *output_path = operation_to_path (op_name, FALSE);
composition = gegl_node_new ();
operation = gegl_node_create_child (composition, op_name);
if (gegl_node_has_pad (operation, "output"))
{
input = gegl_node_new_child (composition,
"operation", "gegl:load",
"path", input_path,
NULL);
translate = gegl_node_new_child (composition,
"operation", "gegl:translate",
"x", 0.0,
"y", 80.0,
NULL);
aux = gegl_node_new_child (composition,
"operation", "gegl:load",
"path", aux_path,
NULL);
crop = gegl_node_new_child (composition,
"operation", "gegl:crop",
"width", 200.0,
"height", 200.0,
NULL);
output = gegl_node_new_child (composition,
"operation", "gegl:png-save",
"compression", 9,
"path", output_path,
NULL);
background = gegl_node_new_child (composition,
"operation", "gegl:checkerboard",
"color1", gegl_color_new ("rgb(0.75,0.75,0.75)"),
"color2", gegl_color_new ("rgb(0.25,0.25,0.25)"),
NULL);
over = gegl_node_new_child (composition, "operation", "gegl:over", NULL);
if (gegl_node_has_pad (operation, "input"))
gegl_node_link (input, operation);
if (gegl_node_has_pad (operation, "aux"))
{
gegl_node_connect_to (aux, "output", translate, "input");
gegl_node_connect_to (translate, "output", operation, "aux");
}
gegl_node_connect_to (background, "output", over, "input");
gegl_node_connect_to (operation, "output", over, "aux");
gegl_node_connect_to (over, "output", crop, "input");
gegl_node_connect_to (crop, "output", output, "input");
gegl_node_process (output);
}
g_free (input_path);
g_free (aux_path);
g_free (output_path);
g_object_unref (composition);
}
gint
main (gint argc,
gchar **argv)
{
GeglNode *gegl, *imgA, *imgB, *comparison;
GeglRectangle boundsA, boundsB;
gdouble max_diff, avg_diff_wrong, avg_diff_total;
gint wrong_pixels, total_pixels;
gegl_init (&argc, &argv);
if (argc != 3)
{
g_print ("This is simple image difference detection tool for use in regression testing.\n"
"Exit code is non zero if images are different, if they are equal"
"the output will contain the string identical.\n");
g_print ("Usage: %s <imageA> <imageB>\n", argv[0]);
return ERROR_WRONG_ARGUMENTS;
}
gegl = gegl_node_new ();
imgA = gegl_node_new_child (gegl,
"operation", "gegl:load",
"path", argv[1],
NULL);
imgB = gegl_node_new_child (gegl,
"operation", "gegl:load",
"path", argv[2],
NULL);
boundsA = gegl_node_get_bounding_box (imgA);
boundsB = gegl_node_get_bounding_box (imgB);
total_pixels = boundsA.width * boundsA.height;
if (boundsA.width != boundsB.width || boundsA.height != boundsB.height)
{
g_printerr ("%s and %s differ in size\n", argv[1], argv[2]);
g_printerr (" %ix%i vs %ix%i\n",
boundsA.width, boundsA.height, boundsB.width, boundsB.height);
return ERROR_WRONG_SIZE;
}
comparison = gegl_node_create_child (gegl, "gegl:image-compare");
gegl_node_link (imgA, comparison);
gegl_node_connect_to (imgB, "output", comparison, "aux");
gegl_node_process (comparison);
gegl_node_get (comparison,
"max diff", &max_diff,
"avg-diff-wrong", &avg_diff_wrong,
"avg-diff-total", &avg_diff_total,
"wrong-pixels", &wrong_pixels,
NULL);
if (max_diff >= 0.1)
{
g_printerr ("%s and %s differ\n"
" wrong pixels : %i/%i (%2.2f%%)\n"
" max Δe : %2.3f\n"
" avg Δe (wrong) : %2.3f(wrong) %2.3f(total)\n",
argv[1], argv[2],
wrong_pixels, total_pixels,
(wrong_pixels*100.0/total_pixels), max_diff,
avg_diff_wrong, avg_diff_total);
if (!strstr (argv[2], "broken"))
{
GeglNode *save;
gchar *debug_path = g_malloc (strlen (argv[2])+16);
memcpy (debug_path, argv[2], strlen (argv[2])+1);
memcpy (debug_path + strlen(argv[2])-4, "-diff.png", 11);
save = gegl_node_new_child (gegl,
"operation", "gegl:png-save",
"path", debug_path,
NULL);
gegl_node_link (comparison, save);
gegl_node_process (save);
/*gegl_graph (sink=gegl_node ("gegl:png-save",
"path", debug_path, NULL,
gegl_node ("gegl:buffer-source", "buffer", debug_buf, NULL)));*/
if (max_diff > 1.5)
return ERROR_PIXELS_DIFFERENT;
}
if (strstr (argv[2], "broken"))
g_print ("because the test is expected to fail ");
else
g_print ("because the error is small ");
g_print ("we'll say ");
}
g_print ("%s and %s are identical\n", argv[1], argv[2]);
g_object_unref (gegl);
gegl_exit ();
return SUCCESS;
}