/* flame - cosmic recursive fractal flames * Copyright (C) 1997 Scott Draves * * PIKA - Photo and Image Kooker Application * Copyright (C) 1995 Spencer Kimball and Peter Mattis * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 3 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see . */ #include "config.h" #include #include #include #include #include #include #include "flame.h" #include "libpika/stdplugins-intl.h" #define PLUG_IN_PROC "plug-in-flame" #define PLUG_IN_BINARY "flame" #define PLUG_IN_ROLE "pika-flame" #define VARIATION_SAME (-2) #define BUFFER_SIZE 10000 #define PREVIEW_SIZE 150 #define EDIT_PREVIEW_SIZE 85 #define NMUTANTS 9 #define BLACK_DRAWABLE (-2) #define GRADIENT_DRAWABLE (-3) #define TABLE_DRAWABLE (-4) typedef struct { gint randomize; /* superseded */ gint variation; gint32 cmap_drawable_id; control_point cp; } FlameSettings; FlameSettings config; typedef struct _Flame Flame; typedef struct _FlameClass FlameClass; struct _Flame { PikaPlugIn parent_instance; }; struct _FlameClass { PikaPlugInClass parent_class; }; #define FLAME_TYPE (flame_get_type ()) #define FLAME(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), FLAME_TYPE, Flame)) GType flame_get_type (void) G_GNUC_CONST; static GList * flame_query_procedures (PikaPlugIn *plug_in); static PikaProcedure * flame_create_procedure (PikaPlugIn *plug_in, const gchar *name); static PikaValueArray * flame_run (PikaProcedure *procedure, PikaRunMode run_mode, PikaImage *image, gint n_drawables, PikaDrawable **drawables, PikaProcedureConfig *proc_config, gpointer run_data); static void flame (PikaDrawable *drawable); static gboolean flame_dialog (Flame *flame, PikaProcedure *procedure, PikaProcedureConfig *proc_config); static void set_flame_preview (PikaProcedureConfig *proc_config); static void load_callback (GtkWidget *widget, PikaProcedureConfig *proc_config); static void save_callback (GtkWidget *widget, PikaProcedureConfig *proc_config); static void set_edit_preview (PikaProcedureConfig *proc_config); static void combo_callback (GtkWidget *widget, gpointer data); static void init_mutants (PikaProcedureConfig *proc_config); static void flame_scale_entry_update_double (PikaLabelSpin *entry, gdouble *value); static void flame_update_settings_aux (PikaProcedureConfig *proc_config); G_DEFINE_TYPE (Flame, flame, PIKA_TYPE_PLUG_IN) PIKA_MAIN (FLAME_TYPE) DEFINE_STD_SET_I18N static gchar buffer[BUFFER_SIZE]; static GtkWidget *cmap_preview; static GtkWidget *flame_preview; static gint preview_width, preview_height; static GtkWidget *dialog; static GtkWidget *load_button = NULL; static GtkWidget *save_button = NULL; static GtkWidget *file_dialog = NULL; static gint load_save; static GtkWidget *edit_dialog = NULL; static control_point edit_cp; static control_point mutants[NMUTANTS]; static GtkWidget *edit_previews[NMUTANTS]; static gdouble pick_speed = 0.2; static frame_spec f = { 0.0, &config.cp, 1, 0.0 }; static void flame_class_init (FlameClass *klass) { PikaPlugInClass *plug_in_class = PIKA_PLUG_IN_CLASS (klass); plug_in_class->query_procedures = flame_query_procedures; plug_in_class->create_procedure = flame_create_procedure; plug_in_class->set_i18n = STD_SET_I18N; } static void flame_init (Flame *flame) { } static GList * flame_query_procedures (PikaPlugIn *plug_in) { return g_list_append (NULL, g_strdup (PLUG_IN_PROC)); } static PikaProcedure * flame_create_procedure (PikaPlugIn *plug_in, const gchar *name) { PikaProcedure *procedure = NULL; if (! strcmp (name, PLUG_IN_PROC)) { procedure = pika_image_procedure_new (plug_in, name, PIKA_PDB_PROC_TYPE_PLUGIN, flame_run, NULL, NULL); pika_procedure_set_image_types (procedure, "RGB*"); pika_procedure_set_sensitivity_mask (procedure, PIKA_PROCEDURE_SENSITIVE_DRAWABLE); pika_procedure_set_menu_label (procedure, _("_Flame...")); pika_procedure_add_menu_path (procedure, "/Filters/Render/Fractals"); pika_procedure_set_documentation (procedure, _("Create cosmic recursive fractal " "flames"), "Create cosmic recursive fractal flames", name); pika_procedure_set_attribution (procedure, "Scott Draves", "Scott Draves", "1997"); PIKA_PROC_ARG_DOUBLE (procedure, "brightness", _("_Brightness"), NULL, 0.0, 5.0, 1.0, G_PARAM_READWRITE); PIKA_PROC_ARG_DOUBLE (procedure, "contrast", _("Co_ntrast"), NULL, 0.0, 5.0, 1.0, G_PARAM_READWRITE); PIKA_PROC_ARG_DOUBLE (procedure, "gamma", _("_Gamma"), NULL, 1.0, 5.0, 1.0, G_PARAM_READWRITE); PIKA_PROC_ARG_DOUBLE (procedure, "sample-density", _("_Brightness"), NULL, 0.1, 20.0, 5.0, G_PARAM_READWRITE); PIKA_PROC_ARG_INT (procedure, "spatial-oversample", _("Spa_tial oversample"), NULL, 1, 4, 2.0, G_PARAM_READWRITE); PIKA_PROC_ARG_DOUBLE (procedure, "spatial-filter-radius", _("_Brightness"), NULL, 0.0, 4.0, 0.75, G_PARAM_READWRITE); PIKA_PROC_ARG_DOUBLE (procedure, "zoom", _("_Zoom"), NULL, -4.0, 4.0, 0.0, G_PARAM_READWRITE); PIKA_PROC_ARG_DOUBLE (procedure, "x", _("_X"), NULL, -2.0, 2.0, 0.0, G_PARAM_READWRITE); PIKA_PROC_ARG_DOUBLE (procedure, "y", _("_Y"), NULL, -2.0, 2.0, 0.0, G_PARAM_READWRITE); PIKA_PROC_AUX_ARG_BYTES (procedure, "settings-data", "Settings data", "TODO: eventually we must implement proper args for every settings", PIKA_PARAM_READWRITE); } return procedure; } static void maybe_init_cp (PikaProcedureConfig *proc_config) { if (0 == config.cp.spatial_oversample) { config.randomize = 0; config.variation = VARIATION_SAME; config.cmap_drawable_id = GRADIENT_DRAWABLE; random_control_point (&config.cp, variation_random); config.cp.center[0] = 0.0; config.cp.center[1] = 0.0; config.cp.pixels_per_unit = 100; config.cp.spatial_oversample = 2; config.cp.gamma = 2.0; config.cp.contrast = 1.0; config.cp.brightness = 1.0; config.cp.spatial_filter_radius = 0.75; config.cp.sample_density = 5.0; config.cp.zoom = 0.0; config.cp.nbatches = 1; config.cp.white_level = 200; config.cp.cmap_index = 72; /* cheating */ config.cp.width = 256; config.cp.height = 256; flame_update_settings_aux (proc_config); } } static PikaValueArray * flame_run (PikaProcedure *procedure, PikaRunMode run_mode, PikaImage *image, gint n_drawables, PikaDrawable **drawables, PikaProcedureConfig *proc_config, gpointer run_data) { PikaDrawable *drawable; GBytes *settings_bytes = NULL; gegl_init (NULL, NULL); if (n_drawables != 1) { GError *error = NULL; g_set_error (&error, PIKA_PLUG_IN_ERROR, 0, _("Procedure '%s' only works with one drawable."), PLUG_IN_PROC); return pika_procedure_new_return_values (procedure, PIKA_PDB_CALLING_ERROR, error); } else { drawable = drawables[0]; } if (run_mode == PIKA_RUN_NONINTERACTIVE) { return pika_procedure_new_return_values (procedure, PIKA_PDB_CALLING_ERROR, NULL); } g_object_get (proc_config, "settings-data", &settings_bytes, NULL); if (settings_bytes != NULL) { if (g_bytes_get_size (settings_bytes) == sizeof (FlameSettings)) config = *((FlameSettings *) g_bytes_get_data (settings_bytes, NULL)); g_bytes_unref (settings_bytes); } maybe_init_cp (proc_config); config.cp.width = pika_drawable_get_width (drawable); config.cp.height = pika_drawable_get_height (drawable); if (run_mode == PIKA_RUN_INTERACTIVE) { if (! flame_dialog (FLAME (pika_procedure_get_plug_in (procedure)), procedure, proc_config)) { return pika_procedure_new_return_values (procedure, PIKA_PDB_CANCEL, NULL); } /* reusing a drawable from the last run is a bad idea * since the drawable might have vanished (bug #37761) */ if (config.cmap_drawable_id > 0) config.cmap_drawable_id = GRADIENT_DRAWABLE; } if (pika_drawable_is_rgb (drawable)) { pika_progress_init (_("Drawing flame")); flame (drawable); if (run_mode != PIKA_RUN_NONINTERACTIVE) pika_displays_flush (); } else { return pika_procedure_new_return_values (procedure, PIKA_PDB_EXECUTION_ERROR, NULL); } flame_update_settings_aux (proc_config); return pika_procedure_new_return_values (procedure, PIKA_PDB_SUCCESS, NULL); } static void drawable_to_cmap (control_point *cp) { gint i, j; if (TABLE_DRAWABLE >= config.cmap_drawable_id) { i = TABLE_DRAWABLE - config.cmap_drawable_id; get_cmap (i, cp->cmap, 256); } else if (BLACK_DRAWABLE == config.cmap_drawable_id) { for (i = 0; i < 256; i++) for (j = 0; j < 3; j++) cp->cmap[i][j] = 0.0; } else if (GRADIENT_DRAWABLE == config.cmap_drawable_id) { PikaGradient *gradient = pika_context_get_gradient (); gint num; gdouble *g; /* FIXME: "reverse" hardcoded to FALSE. */ pika_gradient_get_uniform_samples (gradient, 256, FALSE, &num, &g); for (i = 0; i < 256; i++) for (j = 0; j < 3; j++) cp->cmap[i][j] = g[i*4 + j]; g_free (g); } else { PikaDrawable *drawable = pika_drawable_get_by_id (config.cmap_drawable_id); GeglBuffer *buffer = pika_drawable_get_buffer (drawable); gint width = gegl_buffer_get_width (buffer); gint height = gegl_buffer_get_height (buffer); guchar p[3]; for (i = 0; i < 256; i++) { gegl_buffer_sample (buffer, i % width, (i / width) % height, NULL, p, babl_format ("R'G'B' u8"), GEGL_SAMPLER_NEAREST, GEGL_ABYSS_NONE); for (j = 0; j < 3; j++) cp->cmap[i][j] = p[j] / 255.0; } g_object_unref (buffer); } } static void flame (PikaDrawable *drawable) { const Babl *format; gint width, height; guchar *tmp; gint bytes; width = pika_drawable_get_width (drawable); height = pika_drawable_get_height (drawable); if (pika_drawable_has_alpha (drawable)) format = babl_format ("R'G'B'A u8"); else format = babl_format ("R'G'B' u8"); bytes = babl_format_get_bytes_per_pixel (format); tmp = g_new (guchar, width * height * 4); /* render */ config.cp.width = width; config.cp.height = height; if (config.randomize) random_control_point (&config.cp, config.variation); drawable_to_cmap (&config.cp); render_rectangle (&f, tmp, width, field_both, 4, pika_progress_update); pika_progress_update (1.0); /* update destination */ if (bytes == 4) { GeglBuffer *buffer = pika_drawable_get_shadow_buffer (drawable); gegl_buffer_set (buffer, GEGL_RECTANGLE (0, 0, width, height), 0, format, tmp, GEGL_AUTO_ROWSTRIDE); g_object_unref (buffer); } else if (bytes == 3) { GeglBuffer *src_buffer = pika_drawable_get_buffer (drawable); GeglBuffer *dest_buffer = pika_drawable_get_shadow_buffer (drawable); gint i, j; guchar *sl; sl = g_new (guchar, 3 * width); for (i = 0; i < height; i++) { guchar *rr = tmp + 4 * i * width; guchar *sld = sl; gegl_buffer_get (src_buffer, GEGL_RECTANGLE (0, i, width, 1), 1.0, format, sl, GEGL_AUTO_ROWSTRIDE, GEGL_ABYSS_NONE); for (j = 0; j < width; j++) { gint k, alpha = rr[3]; for (k = 0; k < 3; k++) { gint t = (rr[k] + ((sld[k] * (256-alpha)) >> 8)); if (t > 255) t = 255; sld[k] = t; } rr += 4; sld += 3; } gegl_buffer_set (dest_buffer, GEGL_RECTANGLE (0, i, width, 1), 0, format, sl, GEGL_AUTO_ROWSTRIDE); } g_free (sl); g_object_unref (src_buffer); g_object_unref (dest_buffer); } g_free (tmp); pika_drawable_merge_shadow (drawable, TRUE); pika_drawable_update (drawable, 0, 0, width, height); } static void file_response_callback (GtkFileChooser *chooser, gint response_id, PikaProcedureConfig *proc_config) { if (response_id == GTK_RESPONSE_OK) { gchar *filename = gtk_file_chooser_get_filename (chooser); if (load_save) { FILE *f; gint i, c; gchar *ss; if (!g_file_test (filename, G_FILE_TEST_IS_REGULAR)) { g_message (_("'%s' is not a regular file"), pika_filename_to_utf8 (filename)); g_free (filename); return; } f = g_fopen (filename, "rb"); if (f == NULL) { g_message (_("Could not open '%s' for reading: %s"), pika_filename_to_utf8 (filename), g_strerror (errno)); g_free (filename); return; } i = 0; ss = buffer; do { c = getc (f); if (EOF == c) break; ss[i++] = c; } while (i < BUFFER_SIZE && ';' != c); parse_control_point (&ss, &config.cp); fclose (f); g_signal_handlers_block_by_func (proc_config, G_CALLBACK (set_flame_preview), NULL); flame_update_settings_aux (proc_config); g_object_set (proc_config, "x", config.cp.center[0], "y", config.cp.center[1], "spatial-oversample", config.cp.spatial_oversample, "gamma", config.cp.gamma, "contrast", config.cp.contrast, "brightness", config.cp.brightness, "spatial-filter-radius", config.cp.spatial_filter_radius, "sample-density", config.cp.sample_density, "zoom", config.cp.zoom, NULL); g_signal_handlers_unblock_by_func (proc_config, G_CALLBACK (set_flame_preview), NULL); set_flame_preview (proc_config); set_edit_preview (proc_config); } else { FILE *f = g_fopen (filename, "wb"); if (NULL == f) { g_message (_("Could not open '%s' for writing: %s"), pika_filename_to_utf8 (filename), g_strerror (errno)); g_free (filename); return; } print_control_point (f, &config.cp, 0); fclose (f); } g_free (filename); } gtk_widget_destroy (GTK_WIDGET (chooser)); if (! gtk_widget_get_sensitive (load_button)) gtk_widget_set_sensitive (load_button, TRUE); if (! gtk_widget_get_sensitive (save_button)) gtk_widget_set_sensitive (save_button, TRUE); } static void make_file_dialog (const gchar *title, GtkWidget *parent, PikaProcedureConfig *proc_config) { file_dialog = gtk_file_chooser_dialog_new (title, GTK_WINDOW (parent), load_save ? GTK_FILE_CHOOSER_ACTION_OPEN : GTK_FILE_CHOOSER_ACTION_SAVE, _("_Cancel"), GTK_RESPONSE_CANCEL, load_save ? _("_Open") : _("_Save"), GTK_RESPONSE_OK, NULL); gtk_dialog_set_default_response (GTK_DIALOG (file_dialog), GTK_RESPONSE_OK); pika_dialog_set_alternative_button_order (GTK_DIALOG (file_dialog), GTK_RESPONSE_OK, GTK_RESPONSE_CANCEL, -1); if (! load_save) gtk_file_chooser_set_do_overwrite_confirmation (GTK_FILE_CHOOSER (file_dialog), TRUE); g_object_add_weak_pointer (G_OBJECT (file_dialog), (gpointer) &file_dialog); gtk_window_set_destroy_with_parent (GTK_WINDOW (file_dialog), TRUE); g_signal_connect (file_dialog, "delete-event", G_CALLBACK (gtk_true), NULL); g_signal_connect (file_dialog, "response", G_CALLBACK (file_response_callback), proc_config); } static void randomize_callback (GtkWidget *widget, PikaProcedureConfig *proc_config) { random_control_point (&edit_cp, config.variation); init_mutants (proc_config); set_edit_preview (proc_config); } static void edit_response (GtkWidget *widget, gint response_id, PikaProcedureConfig *proc_config) { gtk_widget_hide (widget); if (response_id == GTK_RESPONSE_OK) { config.cp = edit_cp; g_signal_handlers_block_by_func (proc_config, G_CALLBACK (set_flame_preview), NULL); flame_update_settings_aux (proc_config); g_object_set (proc_config, "x", config.cp.center[0], "y", config.cp.center[1], "spatial-oversample", config.cp.spatial_oversample, "gamma", config.cp.gamma, "contrast", config.cp.contrast, "brightness", config.cp.brightness, "spatial-filter-radius", config.cp.spatial_filter_radius, "sample-density", config.cp.sample_density, "zoom", config.cp.zoom, NULL); g_signal_handlers_unblock_by_func (proc_config, G_CALLBACK (set_flame_preview), NULL); set_flame_preview (proc_config); } } static void init_mutants (PikaProcedureConfig *proc_config) { gint i; for (i = 0; i < NMUTANTS; i++) { mutants[i] = edit_cp; random_control_point (mutants + i, config.variation); if (VARIATION_SAME == config.variation) copy_variation (mutants + i, &edit_cp); } flame_update_settings_aux (proc_config); } static void set_edit_preview (PikaProcedureConfig *proc_config) { gint i, j; guchar *b; control_point pcp; gint nbytes = EDIT_PREVIEW_SIZE * EDIT_PREVIEW_SIZE * 3; static frame_spec pf = { 0.0, 0, 1, 0.0 }; if (NULL == edit_previews[0]) return; b = g_new (guchar, nbytes); maybe_init_cp (proc_config); drawable_to_cmap (&edit_cp); for (i = 0; i < 3; i++) for (j = 0; j < 3; j++) { gint mut = i*3 + j; pf.cps = &pcp; if (1 == i && 1 == j) { pcp = edit_cp; } else { control_point ends[2]; ends[0] = edit_cp; ends[1] = mutants[mut]; ends[0].time = 0.0; ends[1].time = 1.0; interpolate (ends, 2, pick_speed, &pcp); } pcp.pixels_per_unit = (pcp.pixels_per_unit * EDIT_PREVIEW_SIZE) / pcp.width; pcp.width = EDIT_PREVIEW_SIZE; pcp.height = EDIT_PREVIEW_SIZE; pcp.sample_density = 1; pcp.spatial_oversample = 1; pcp.spatial_filter_radius = 0.5; drawable_to_cmap (&pcp); render_rectangle (&pf, b, EDIT_PREVIEW_SIZE, field_both, 3, NULL); pika_preview_area_draw (PIKA_PREVIEW_AREA (edit_previews[mut]), 0, 0, EDIT_PREVIEW_SIZE, EDIT_PREVIEW_SIZE, PIKA_RGB_IMAGE, b, EDIT_PREVIEW_SIZE * 3); } g_free (b); } static void edit_preview_size_allocate (GtkWidget *widget, PikaProcedureConfig *proc_config) { set_edit_preview (proc_config); } static void preview_clicked (GtkWidget *widget, gpointer data) { PikaProcedureConfig *proc_config; gint mut = GPOINTER_TO_INT (data); proc_config = g_object_get_data (G_OBJECT (widget), "config"); if (mut == 4) { control_point t = edit_cp; init_mutants (proc_config); edit_cp = t; } else { control_point ends[2]; ends[0] = edit_cp; ends[1] = mutants[mut]; ends[0].time = 0.0; ends[1].time = 1.0; interpolate (ends, 2, pick_speed, &edit_cp); } set_edit_preview (proc_config); } static void edit_callback (GtkWidget *widget, GtkWidget *parent) { PikaProcedureConfig *proc_config; proc_config = g_object_get_data (G_OBJECT (parent), "config"); edit_cp = config.cp; if (edit_dialog == NULL) { GtkWidget *main_vbox; GtkWidget *frame; GtkWidget *grid; GtkWidget *vbox; GtkWidget *hbox; GtkWidget *button; GtkWidget *combo; GtkWidget *label; GtkWidget *scale; gint i, j; edit_dialog = pika_dialog_new (_("Edit Flame"), PLUG_IN_ROLE, parent, GTK_DIALOG_DESTROY_WITH_PARENT, pika_standard_help_func, PLUG_IN_PROC, _("_Cancel"), GTK_RESPONSE_CANCEL, _("_OK"), GTK_RESPONSE_OK, NULL); pika_dialog_set_alternative_button_order (GTK_DIALOG (edit_dialog), GTK_RESPONSE_OK, GTK_RESPONSE_CANCEL, -1); g_signal_connect (edit_dialog, "response", G_CALLBACK (edit_response), proc_config); main_vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 12); gtk_container_set_border_width (GTK_CONTAINER (main_vbox), 12); gtk_box_pack_start (GTK_BOX (gtk_dialog_get_content_area (GTK_DIALOG (edit_dialog))), main_vbox, FALSE, FALSE, 0); frame = pika_frame_new (_("Directions")); gtk_box_pack_start (GTK_BOX (main_vbox), frame, FALSE, FALSE, 0); gtk_widget_show (frame); grid = gtk_grid_new (); gtk_grid_set_row_spacing (GTK_GRID (grid), 6); gtk_grid_set_column_spacing (GTK_GRID (grid), 6); gtk_container_add (GTK_CONTAINER (frame), grid); gtk_widget_show (grid); for (i = 0; i < 3; i++) for (j = 0; j < 3; j++) { gint mut = i * 3 + j; edit_previews[mut] = pika_preview_area_new (); gtk_widget_set_size_request (edit_previews[mut], EDIT_PREVIEW_SIZE, EDIT_PREVIEW_SIZE); button = gtk_button_new (); gtk_widget_set_hexpand (button, TRUE); gtk_widget_set_halign (button, GTK_ALIGN_CENTER); gtk_container_add (GTK_CONTAINER(button), edit_previews[mut]); gtk_grid_attach (GTK_GRID (grid), button, i, j, 1, 1); gtk_widget_show (edit_previews[mut]); gtk_widget_show (button); g_object_set_data (G_OBJECT (button), "config", proc_config); g_signal_connect (button, "clicked", G_CALLBACK (preview_clicked), GINT_TO_POINTER (mut)); } g_signal_connect (edit_previews[0], "size-allocate", G_CALLBACK (edit_preview_size_allocate), proc_config); frame = pika_frame_new (_("Controls")); gtk_box_pack_start (GTK_BOX (main_vbox), frame, FALSE, FALSE, 0); gtk_widget_show (frame); vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 6); gtk_container_add (GTK_CONTAINER (frame), vbox); gtk_widget_show (vbox); scale = pika_scale_entry_new (_("_Speed:"), pick_speed, 0.05, 0.5, 2); pika_label_spin_set_increments (PIKA_LABEL_SPIN (scale), 0.01, 0.1); g_object_set_data (G_OBJECT (scale), "config", proc_config); g_signal_connect (scale, "value-changed", G_CALLBACK (flame_scale_entry_update_double), &pick_speed); g_signal_connect_swapped (scale, "value-changed", G_CALLBACK (set_edit_preview), proc_config); gtk_box_pack_start (GTK_BOX (vbox), scale, FALSE, FALSE, 6); gtk_widget_show (scale); hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 6); gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, FALSE, 0); gtk_widget_show (hbox); button = gtk_button_new_with_mnemonic( _("_Randomize")); g_object_set (gtk_bin_get_child (GTK_BIN (button)), "margin-start", 2, "margin-end", 2, NULL); gtk_box_pack_start (GTK_BOX (hbox), button, FALSE, FALSE, 0); gtk_widget_show (button); g_signal_connect_swapped (button, "clicked", G_CALLBACK (randomize_callback), proc_config); combo = pika_int_combo_box_new (_("Same"), VARIATION_SAME, _("Random"), variation_random, _("Linear"), 0, _("Sinusoidal"), 1, _("Spherical"), 2, _("Swirl"), 3, _("Horseshoe"), 4, _("Polar"), 5, _("Bent"), 6, _("Handkerchief"), 7, _("Heart"), 8, _("Disc"), 9, _("Spiral"), 10, _("Hyperbolic"), 11, _("Diamond"), 12, _("Ex"), 13, _("Julia"), 14, _("Waves"), 15, _("Fisheye"), 16, _("Popcorn"), 17, _("Exponential"), 18, _("Power"), 19, _("Cosine"), 20, _("Rings"), 21, _("Fan"), 22, _("Eyefish"), 23, _("Bubble"), 24, _("Cylinder"), 25, _("Noise"), 26, _("Blur"), 27, _("Gaussian"), 28, NULL); pika_int_combo_box_set_active (PIKA_INT_COMBO_BOX (combo), VARIATION_SAME); g_object_set_data (G_OBJECT (combo), "config", proc_config); g_signal_connect (combo, "changed", G_CALLBACK (combo_callback), &config.variation); gtk_box_pack_end (GTK_BOX (hbox), combo, TRUE, TRUE, 0); gtk_widget_show (combo); label = gtk_label_new_with_mnemonic (_("_Variation:")); gtk_box_pack_end (GTK_BOX (hbox), label, FALSE, FALSE, 0); gtk_label_set_mnemonic_widget (GTK_LABEL (label), combo); gtk_widget_show (label); gtk_widget_show (main_vbox); init_mutants (proc_config); } set_edit_preview (proc_config); gtk_window_present (GTK_WINDOW (edit_dialog)); } static void load_callback (GtkWidget *widget, PikaProcedureConfig *proc_config) { if (! file_dialog) { load_save = 1; make_file_dialog (_("Load Flame"), gtk_widget_get_toplevel (widget), proc_config); gtk_widget_set_sensitive (save_button, FALSE); } gtk_window_present (GTK_WINDOW (file_dialog)); } static void save_callback (GtkWidget *widget, PikaProcedureConfig *proc_config) { if (! file_dialog) { load_save = 0; make_file_dialog (_("Save Flame"), gtk_widget_get_toplevel (widget), proc_config); gtk_widget_set_sensitive (load_button, FALSE); } gtk_window_present (GTK_WINDOW (file_dialog)); } static void combo_callback (GtkWidget *widget, gpointer data) { PikaProcedureConfig *proc_config; proc_config = g_object_get_data (G_OBJECT (widget), "config"); pika_int_combo_box_get_active (PIKA_INT_COMBO_BOX (widget), (gint *) data); if (VARIATION_SAME != config.variation) random_control_point (&edit_cp, config.variation); init_mutants (proc_config); set_edit_preview (proc_config); flame_update_settings_aux (proc_config); } static void set_flame_preview (PikaProcedureConfig *proc_config) { GBytes *settings_bytes = NULL; guchar *b; control_point pcp; static frame_spec pf = {0.0, 0, 1, 0.0}; if (NULL == flame_preview) return; g_object_get (proc_config, "settings-data", &settings_bytes, NULL); if (settings_bytes != NULL) { if (g_bytes_get_size (settings_bytes) == sizeof (FlameSettings)) config = *((FlameSettings *) g_bytes_get_data (settings_bytes, NULL)); g_bytes_unref (settings_bytes); } g_object_get (proc_config, "x", &config.cp.center[0], "y", &config.cp.center[1], "spatial-oversample", &config.cp.spatial_oversample, "gamma", &config.cp.gamma, "contrast", &config.cp.contrast, "brightness", &config.cp.brightness, "spatial-filter-radius", &config.cp.spatial_filter_radius, "sample-density", &config.cp.sample_density, "zoom", &config.cp.zoom, NULL); b = g_new (guchar, preview_width * preview_height * 3); maybe_init_cp (proc_config); drawable_to_cmap (&config.cp); pf.cps = &pcp; pcp = config.cp; pcp.pixels_per_unit = (pcp.pixels_per_unit * preview_width) / pcp.width; pcp.width = preview_width; pcp.height = preview_height; pcp.sample_density = 1; pcp.spatial_oversample = 1; pcp.spatial_filter_radius = 0.1; render_rectangle (&pf, b, preview_width, field_both, 3, NULL); pika_preview_area_draw (PIKA_PREVIEW_AREA (flame_preview), 0, 0, preview_width, PREVIEW_SIZE, PIKA_RGB_IMAGE, b, preview_width * 3); g_free (b); } static void flame_preview_size_allocate (PikaProcedureConfig *proc_config) { set_flame_preview (proc_config); } static void set_cmap_preview (void) { gint i, x, y; guchar b[96]; guchar *cmap_buffer, *ptr; if (NULL == cmap_preview) return; drawable_to_cmap (&config.cp); cmap_buffer = g_new (guchar, 32*32*3); ptr = cmap_buffer; for (y = 0; y < 32; y += 4) { for (x = 0; x < 32; x++) { gint j; i = x + (y/4) * 32; for (j = 0; j < 3; j++) b[x*3+j] = config.cp.cmap[i][j]*255.0; } memcpy (ptr, b, 32*3); ptr += 32*3; memcpy (ptr, b, 32*3); ptr += 32*3; memcpy (ptr, b, 32*3); ptr += 32*3; memcpy (ptr, b, 32*3); ptr += 32*3; } pika_preview_area_draw (PIKA_PREVIEW_AREA (cmap_preview), 0, 0, 32, 32, PIKA_RGB_IMAGE, cmap_buffer, 32 * 3); g_free (cmap_buffer); } static void cmap_callback (GtkWidget *widget, PikaProcedureConfig *proc_config) { pika_int_combo_box_get_active (PIKA_INT_COMBO_BOX (widget), &config.cmap_drawable_id); set_cmap_preview (); set_flame_preview (proc_config); /* set_edit_preview(); */ } static gboolean cmap_constrain (PikaImage *image, PikaItem *item, gpointer data) { return ! item || ! pika_drawable_is_indexed (PIKA_DRAWABLE (item)); } static gboolean flame_dialog (Flame *flame, PikaProcedure *procedure, PikaProcedureConfig *proc_config) { GtkWidget *main_vbox; GtkWidget *notebook; GtkWidget *frame; GtkWidget *button; GtkWidget *box; gboolean run; pika_ui_init (PLUG_IN_BINARY); dialog = pika_procedure_dialog_new (procedure, proc_config, _("Flame")); g_object_set_data (G_OBJECT (dialog), "config", proc_config); main_vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 12); gtk_container_set_border_width (GTK_CONTAINER (main_vbox), 12); gtk_box_pack_start (GTK_BOX (gtk_dialog_get_content_area (GTK_DIALOG (dialog))), main_vbox, FALSE, FALSE, 0); gtk_widget_show (main_vbox); box = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 12); gtk_box_pack_start (GTK_BOX (main_vbox), box, FALSE, FALSE, 0); gtk_widget_show (box); frame = gtk_frame_new (NULL); gtk_widget_set_valign (frame, GTK_ALIGN_START); gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_IN); gtk_box_pack_start (GTK_BOX (box), frame, FALSE, FALSE, 0); gtk_widget_show (frame); flame_preview = pika_preview_area_new (); { gdouble aspect = config.cp.width / (double) config.cp.height; if (aspect > 1.0) { preview_width = PREVIEW_SIZE; preview_height = PREVIEW_SIZE / aspect; } else { preview_width = PREVIEW_SIZE * aspect; preview_height = PREVIEW_SIZE; } } gtk_widget_set_size_request (flame_preview, preview_width, preview_height); gtk_container_add (GTK_CONTAINER (frame), flame_preview); gtk_widget_show (flame_preview); g_signal_connect_swapped (flame_preview, "size-allocate", G_CALLBACK (flame_preview_size_allocate), proc_config); { GtkWidget *vbox; GtkWidget *vbbox; vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 6); gtk_box_pack_start (GTK_BOX (box), vbox, FALSE, FALSE, 0); gtk_widget_show (vbox); vbbox= gtk_button_box_new (GTK_ORIENTATION_VERTICAL); gtk_box_set_homogeneous (GTK_BOX (vbbox), FALSE); gtk_box_set_spacing (GTK_BOX (vbbox), 6); gtk_box_pack_start (GTK_BOX (vbox), vbbox, FALSE, FALSE, 0); gtk_widget_show (vbbox); button = gtk_button_new_with_mnemonic (_("_Edit")); gtk_box_pack_start (GTK_BOX (vbbox), button, FALSE, FALSE, 0); gtk_widget_show (button); g_signal_connect (button, "clicked", G_CALLBACK (edit_callback), dialog); load_button = button = gtk_button_new_with_mnemonic (_("_Open")); gtk_box_pack_start (GTK_BOX (vbbox), button, FALSE, FALSE, 0); gtk_widget_show (button); g_signal_connect (button, "clicked", G_CALLBACK (load_callback), proc_config); save_button = button = gtk_button_new_with_mnemonic (_("_Save")); gtk_box_pack_start (GTK_BOX (vbbox), button, FALSE, FALSE, 0); gtk_widget_show (button); g_signal_connect (button, "clicked", G_CALLBACK (save_callback), proc_config); } pika_procedure_dialog_get_spin_scale (PIKA_PROCEDURE_DIALOG (dialog), "brightness", 1.0); pika_procedure_dialog_get_spin_scale (PIKA_PROCEDURE_DIALOG (dialog), "contrast", 1.0); pika_procedure_dialog_get_spin_scale (PIKA_PROCEDURE_DIALOG (dialog), "gamma", 1.0); pika_procedure_dialog_get_spin_scale (PIKA_PROCEDURE_DIALOG (dialog), "sample-density", 1.0); pika_procedure_dialog_get_spin_scale (PIKA_PROCEDURE_DIALOG (dialog), "spatial-oversample", 1.0); pika_procedure_dialog_get_spin_scale (PIKA_PROCEDURE_DIALOG (dialog), "spatial-filter-radius", 1.0); box = pika_procedure_dialog_fill_box (PIKA_PROCEDURE_DIALOG (dialog), "rendering-box", "brightness", "contrast", "gamma", "sample-density", "spatial-oversample", "spatial-filter-radius", NULL); { GtkWidget *hbox; GtkWidget *label; GtkWidget *combo; hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 6); gtk_box_pack_start (GTK_BOX (box), hbox, FALSE, FALSE, 0); gtk_widget_show (hbox); label = gtk_label_new_with_mnemonic (_("Color_map:")); gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, FALSE, 0); gtk_widget_show (label); combo = pika_drawable_combo_box_new (cmap_constrain, NULL, NULL); gtk_label_set_mnemonic_widget (GTK_LABEL (label), combo); #if 0 pika_int_combo_box_prepend (PIKA_INT_COMBO_BOX (combo), PIKA_INT_STORE_VALUE, BLACK_DRAWABLE, PIKA_INT_STORE_LABEL, _("Black"), -1); #endif { static const gchar *names[] = { "sunny harvest", "rose", "calcoast09", "klee insula-dulcamara", "ernst anti-pope", "gris josette" }; static const gint good[] = { 10, 20, 68, 79, 70, 75 }; gint i; for (i = 0; i < G_N_ELEMENTS (good); i++) { gint value = TABLE_DRAWABLE - good[i]; pika_int_combo_box_prepend (PIKA_INT_COMBO_BOX (combo), PIKA_INT_STORE_VALUE, value, PIKA_INT_STORE_LABEL, names[i], -1); } } pika_int_combo_box_prepend (PIKA_INT_COMBO_BOX (combo), PIKA_INT_STORE_VALUE, GRADIENT_DRAWABLE, PIKA_INT_STORE_LABEL, _("Custom gradient"), PIKA_INT_STORE_ICON_NAME, PIKA_ICON_GRADIENT, -1); pika_int_combo_box_connect (PIKA_INT_COMBO_BOX (combo), config.cmap_drawable_id, G_CALLBACK (cmap_callback), proc_config, NULL); gtk_box_pack_start (GTK_BOX (hbox), combo, TRUE, TRUE, 0); gtk_widget_show (combo); cmap_preview = pika_preview_area_new (); gtk_widget_set_size_request (cmap_preview, 32, 32); gtk_box_pack_end (GTK_BOX (hbox), cmap_preview, FALSE, FALSE, 0); gtk_widget_show (cmap_preview); set_cmap_preview (); } pika_procedure_dialog_get_spin_scale (PIKA_PROCEDURE_DIALOG (dialog), "zoom", 1.0); pika_procedure_dialog_get_spin_scale (PIKA_PROCEDURE_DIALOG (dialog), "x", 1.0); pika_procedure_dialog_get_spin_scale (PIKA_PROCEDURE_DIALOG (dialog), "y", 1.0); pika_procedure_dialog_fill_box (PIKA_PROCEDURE_DIALOG (dialog), "camera-box", "zoom", "x", "y", NULL); pika_procedure_dialog_get_label (PIKA_PROCEDURE_DIALOG (dialog), "rendering-label", "_Rendering", FALSE, TRUE); pika_procedure_dialog_get_label (PIKA_PROCEDURE_DIALOG (dialog), "camera-label", "C_amera", FALSE, TRUE); notebook = pika_procedure_dialog_fill_notebook (PIKA_PROCEDURE_DIALOG (dialog), "settings-notebook", "rendering-label", "rendering-box", "camera-label", "camera-box", NULL); gtk_widget_show (notebook); gtk_box_pack_start (GTK_BOX (main_vbox), notebook, FALSE, FALSE, 0); g_signal_connect (proc_config, "notify", G_CALLBACK (set_flame_preview), NULL); set_flame_preview (proc_config); run = pika_procedure_dialog_run (PIKA_PROCEDURE_DIALOG (dialog)); gtk_widget_destroy (dialog); return run; } static void flame_scale_entry_update_double (PikaLabelSpin *entry, gdouble *value) { PikaProcedureConfig *proc_config; proc_config = g_object_get_data (G_OBJECT (entry), "config"); *value = pika_label_spin_get_value (entry); flame_update_settings_aux (proc_config); } static void flame_update_settings_aux (PikaProcedureConfig *proc_config) { GBytes *settings_bytes; settings_bytes = g_bytes_new (&config, sizeof (FlameSettings)); g_object_set (proc_config, "settings-data", settings_bytes, NULL); g_bytes_unref (settings_bytes); }