/* * Written 1997 Jens Ch. Restemeier * This program is based on an algorithm / article by * Jörn Loviscach. * * It appeared in c't 10/95, page 326 and is called * "Ausgewürfelt - Moderne Kunst algorithmisch erzeugen" * (~modern art created with algorithms). * * It generates one main formula (the middle button) and 8 variations of it. * If you select a variation it becomes the new main formula. If you * press "OK" the main formula will be applied to the image. * * 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 "libpika/stdplugins-intl.h" #define MAX_TRANSFORMS 36 #define NUM_REGISTERS 6 #define PREVIEW_SIZE 64 #define PLUG_IN_PROC "plug-in-qbist" #define PLUG_IN_BINARY "qbist" #define PLUG_IN_ROLE "pika-qbist" #define PLUG_IN_VERSION "January 2001, 1.12" /* experiment with this */ typedef gfloat vreg[3]; typedef enum { PROJECTION, SHIFT, SHIFTBACK, ROTATE, ROTATE2, MULTIPLY, SINE, CONDITIONAL, COMPLEMENT } TransformType; #define NUM_TRANSFORMS (COMPLEMENT + 1) typedef struct { TransformType transformSequence[MAX_TRANSFORMS]; gint source[MAX_TRANSFORMS]; gint control[MAX_TRANSFORMS]; gint dest[MAX_TRANSFORMS]; } ExpInfo; typedef struct { ExpInfo info; gint oversampling; gchar *path; } QbistInfo; typedef struct _Qbist Qbist; typedef struct _QbistClass QbistClass; struct _Qbist { PikaPlugIn parent_instance; }; struct _QbistClass { PikaPlugInClass parent_class; }; #define QBIST_TYPE (qbist_get_type ()) #define QBIST (obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), QBIST_TYPE, Qbist)) GType qbist_get_type (void) G_GNUC_CONST; static GList * qbist_query_procedures (PikaPlugIn *plug_in); static PikaProcedure * qbist_create_procedure (PikaPlugIn *plug_in, const gchar *name); static PikaValueArray * qbist_run (PikaProcedure *procedure, PikaRunMode run_mode, PikaImage *image, gint n_drawables, PikaDrawable **drawables, const PikaValueArray *args, gpointer run_data); static gboolean dialog_run (void); static void dialog_new_variations (GtkWidget *widget, gpointer data); static void dialog_update_previews (GtkWidget *widget, gint preview_size); static void dialog_select_preview (GtkWidget *widget, ExpInfo *n_info); static void create_info (ExpInfo *info); static void optimize (ExpInfo *info); static void qbist (ExpInfo *info, gfloat *buffer, gint xp, gint yp, gint num, gint width, gint height, gint oversampling); G_DEFINE_TYPE (Qbist, qbist, PIKA_TYPE_PLUG_IN) PIKA_MAIN (QBIST_TYPE) DEFINE_STD_SET_I18N static QbistInfo qbist_info; static GRand *gr = NULL; static void qbist_class_init (QbistClass *klass) { PikaPlugInClass *plug_in_class = PIKA_PLUG_IN_CLASS (klass); plug_in_class->query_procedures = qbist_query_procedures; plug_in_class->create_procedure = qbist_create_procedure; plug_in_class->set_i18n = STD_SET_I18N; } static void qbist_init (Qbist *qbist) { } static GList * qbist_query_procedures (PikaPlugIn *plug_in) { return g_list_append (NULL, g_strdup (PLUG_IN_PROC)); } static PikaProcedure * qbist_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, qbist_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, _("_Qbist...")); pika_procedure_add_menu_path (procedure, "/Filters/Render/Pattern"); pika_procedure_set_documentation (procedure, _("Generate a huge variety of " "abstract patterns"), "This Plug-in is based on an article by " "Jörn Loviscach (appeared in c't 10/95, " "page 326). It generates modern art " "pictures from a random genetic " "formula.", name); pika_procedure_set_attribution (procedure, "Jörn Loviscach, Jens Ch. Restemeier", "Jörn Loviscach, Jens Ch. Restemeier", PLUG_IN_VERSION); /* Saving the pattern as a parasite is a trick allowing to store * random binary data. */ PIKA_PROC_AUX_ARG_PARASITE (procedure, "pattern", "Qbist pattern", NULL, G_PARAM_READWRITE); PIKA_PROC_AUX_ARG_INT (procedure, "oversampling", "Oversampling", NULL, 1, 4, 4, G_PARAM_READWRITE); PIKA_PROC_AUX_ARG_STRING (procedure, "data-path", "Path of data file", _("Any file which will be used as source for pattern generation"), NULL, G_PARAM_READWRITE); } return procedure; } static PikaValueArray * qbist_run (PikaProcedure *procedure, PikaRunMode run_mode, PikaImage *image, gint n_drawables, PikaDrawable **drawables, const PikaValueArray *args, gpointer run_data) { PikaProcedureConfig *config; gint sel_x1, sel_y1, sel_width, sel_height; gint img_height, img_width; GeglBuffer *buffer; GeglBufferIterator *iter; PikaDrawable *drawable; PikaParasite *pattern_parasite; gconstpointer pattern_data; guint32 pattern_data_length; gint total_pixels; gint done_pixels; 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]; } config = pika_procedure_create_config (procedure); pika_procedure_config_begin_run (config, image, run_mode, args); img_width = pika_drawable_get_width (drawable); img_height = pika_drawable_get_height (drawable); if (! pika_drawable_is_rgb (drawable)) { return pika_procedure_new_return_values (procedure, PIKA_PDB_CALLING_ERROR, NULL); } if (! pika_drawable_mask_intersect (drawable, &sel_x1, &sel_y1, &sel_width, &sel_height)) { return pika_procedure_new_return_values (procedure, PIKA_PDB_SUCCESS, NULL); } gr = g_rand_new (); memset (&qbist_info, 0, sizeof (qbist_info)); create_info (&qbist_info.info); qbist_info.oversampling = 4; switch (run_mode) { case PIKA_RUN_INTERACTIVE: g_object_get (config, "data-path", &qbist_info.path, "oversampling", &qbist_info.oversampling, "pattern", &pattern_parasite, NULL); if (pattern_parasite) { pattern_data = pika_parasite_get_data (pattern_parasite, &pattern_data_length); memcpy (&qbist_info.info, pattern_data, pattern_data_length); pika_parasite_free (pattern_parasite); pattern_parasite = NULL; } if (! dialog_run ()) { pika_procedure_config_end_run (config, PIKA_PDB_CANCEL); return pika_procedure_new_return_values (procedure, PIKA_PDB_CANCEL, NULL); } pattern_parasite = pika_parasite_new ("pattern", 0, sizeof (qbist_info.info), &qbist_info.info); g_object_set (config, "data-path", qbist_info.path, "oversampling", qbist_info.oversampling, "pattern", pattern_parasite, NULL); pika_parasite_free (pattern_parasite); break; case PIKA_RUN_NONINTERACTIVE: pika_procedure_config_end_run (config, PIKA_PDB_CALLING_ERROR); return pika_procedure_new_return_values (procedure, PIKA_PDB_CALLING_ERROR, NULL); break; case PIKA_RUN_WITH_LAST_VALS: g_object_get (config, "data-path", &qbist_info.path, "oversampling", &qbist_info.oversampling, "pattern", &pattern_parasite, NULL); if (pattern_parasite) { pattern_data = pika_parasite_get_data (pattern_parasite, &pattern_data_length); memcpy (&qbist_info.info, pattern_data, pattern_data_length); pika_parasite_free (pattern_parasite); pattern_parasite = NULL; } break; } total_pixels = img_width * img_height; done_pixels = 0; buffer = pika_drawable_get_shadow_buffer (drawable); iter = gegl_buffer_iterator_new (buffer, GEGL_RECTANGLE (0, 0, img_width, img_height), 0, babl_format ("R'G'B'A float"), GEGL_ACCESS_READWRITE, GEGL_ABYSS_NONE, 1); optimize (&qbist_info.info); pika_progress_init (_("Qbist")); while (gegl_buffer_iterator_next (iter)) { gfloat *data = iter->items[0].data; GeglRectangle roi = iter->items[0].roi; gint row; for (row = 0; row < roi.height; row++) { qbist (&qbist_info.info, data + row * roi.width * 4, roi.x, roi.y + row, roi.width, sel_width, sel_height, qbist_info.oversampling); } done_pixels += roi.width * roi.height; pika_progress_update ((gdouble) done_pixels / (gdouble) total_pixels); } g_object_unref (buffer); pika_progress_update (1.0); pika_drawable_merge_shadow (drawable, TRUE); pika_drawable_update (drawable, sel_x1, sel_y1, sel_width, sel_height); pika_displays_flush (); g_rand_free (gr); pika_procedure_config_end_run (config, PIKA_PDB_SUCCESS); g_object_unref (config); return pika_procedure_new_return_values (procedure, PIKA_PDB_SUCCESS, NULL); } /** qbist functions *********************************************************/ static void create_info (ExpInfo *info) { gint k; for (k = 0; k < MAX_TRANSFORMS; k++) { info->transformSequence[k] = g_rand_int_range (gr, 0, NUM_TRANSFORMS); info->source[k] = g_rand_int_range (gr, 0, NUM_REGISTERS); info->control[k] = g_rand_int_range (gr, 0, NUM_REGISTERS); info->dest[k] = g_rand_int_range (gr, 0, NUM_REGISTERS); } } static void modify_info (ExpInfo *o_info, ExpInfo *n_info) { gint k, n; *n_info = *o_info; n = g_rand_int_range (gr, 0, MAX_TRANSFORMS); for (k = 0; k < n; k++) { switch (g_rand_int_range (gr, 0, 4)) { case 0: n_info->transformSequence[g_rand_int_range (gr, 0, MAX_TRANSFORMS)] = g_rand_int_range (gr, 0, NUM_TRANSFORMS); break; case 1: n_info->source[g_rand_int_range (gr, 0, MAX_TRANSFORMS)] = g_rand_int_range (gr, 0, NUM_REGISTERS); break; case 2: n_info->control[g_rand_int_range (gr, 0, MAX_TRANSFORMS)] = g_rand_int_range (gr, 0, NUM_REGISTERS); break; case 3: n_info->dest[g_rand_int_range (gr, 0, MAX_TRANSFORMS)] = g_rand_int_range (gr, 0, NUM_REGISTERS); break; } } } /* * Optimizer */ static gint used_trans_flag[MAX_TRANSFORMS]; static gint used_reg_flag[NUM_REGISTERS]; static void check_last_modified (ExpInfo *info, gint p, gint n) { p--; while ((p >= 0) && (info->dest[p] != n)) p--; if (p < 0) used_reg_flag[n] = 1; else { used_trans_flag[p] = 1; check_last_modified (info, p, info->source[p]); check_last_modified (info, p, info->control[p]); } } static void optimize (ExpInfo *info) { gint i; /* double-arg fix: */ for (i = 0; i < MAX_TRANSFORMS; i++) { used_trans_flag[i] = 0; if (i < NUM_REGISTERS) used_reg_flag[i] = 0; /* double-arg fix: */ switch (info->transformSequence[i]) { case ROTATE: case ROTATE2: case COMPLEMENT: info->control[i] = info->dest[i]; break; default: break; } } /* check for last modified item */ check_last_modified (info, MAX_TRANSFORMS, 0); } static void qbist (ExpInfo *info, gfloat *buffer, gint xp, gint yp, gint num, gint width, gint height, gint oversampling) { gint gx; vreg reg[NUM_REGISTERS]; for (gx = 0; gx < num; gx++) { gfloat accum[3]; gint yy, i; for (i = 0; i < 3; i++) { accum[i] = 0.0; } for (yy = 0; yy < oversampling; yy++) { gint xx; for (xx = 0; xx < oversampling; xx++) { for (i = 0; i < NUM_REGISTERS; i++) { if (used_reg_flag[i]) { reg[i][0] = ((gfloat) ((gx + xp) * oversampling + xx)) / ((gfloat) (width * oversampling)); reg[i][1] = ((gfloat) (yp * oversampling + yy)) / ((gfloat) (height * oversampling)); reg[i][2] = ((gfloat) i) / ((gfloat) NUM_REGISTERS); } } for (i = 0; i < MAX_TRANSFORMS; i++) { gushort sr, cr, dr; sr = info->source[i]; cr = info->control[i]; dr = info->dest[i]; if (used_trans_flag[i]) switch (info->transformSequence[i]) { case PROJECTION: { gfloat scalarProd; scalarProd = (reg[sr][0] * reg[cr][0]) + (reg[sr][1] * reg[cr][1]) + (reg[sr][2] * reg[cr][2]); reg[dr][0] = scalarProd * reg[sr][0]; reg[dr][1] = scalarProd * reg[sr][1]; reg[dr][2] = scalarProd * reg[sr][2]; break; } case SHIFT: reg[dr][0] = reg[sr][0] + reg[cr][0]; if (reg[dr][0] >= 1.0) reg[dr][0] -= 1.0; reg[dr][1] = reg[sr][1] + reg[cr][1]; if (reg[dr][1] >= 1.0) reg[dr][1] -= 1.0; reg[dr][2] = reg[sr][2] + reg[cr][2]; if (reg[dr][2] >= 1.0) reg[dr][2] -= 1.0; break; case SHIFTBACK: reg[dr][0] = reg[sr][0] - reg[cr][0]; if (reg[dr][0] <= 0.0) reg[dr][0] += 1.0; reg[dr][1] = reg[sr][1] - reg[cr][1]; if (reg[dr][1] <= 0.0) reg[dr][1] += 1.0; reg[dr][2] = reg[sr][2] - reg[cr][2]; if (reg[dr][2] <= 0.0) reg[dr][2] += 1.0; break; case ROTATE: reg[dr][0] = reg[sr][1]; reg[dr][1] = reg[sr][2]; reg[dr][2] = reg[sr][0]; break; case ROTATE2: reg[dr][0] = reg[sr][2]; reg[dr][1] = reg[sr][0]; reg[dr][2] = reg[sr][1]; break; case MULTIPLY: reg[dr][0] = reg[sr][0] * reg[cr][0]; reg[dr][1] = reg[sr][1] * reg[cr][1]; reg[dr][2] = reg[sr][2] * reg[cr][2]; break; case SINE: reg[dr][0] = 0.5 + (0.5 * sin (20.0 * reg[sr][0] * reg[cr][0])); reg[dr][1] = 0.5 + (0.5 * sin (20.0 * reg[sr][1] * reg[cr][1])); reg[dr][2] = 0.5 + (0.5 * sin (20.0 * reg[sr][2] * reg[cr][2])); break; case CONDITIONAL: if ((reg[cr][0] + reg[cr][1] + reg[cr][2]) > 0.5) { reg[dr][0] = reg[sr][0]; reg[dr][1] = reg[sr][1]; reg[dr][2] = reg[sr][2]; } else { reg[dr][0] = reg[cr][0]; reg[dr][1] = reg[cr][1]; reg[dr][2] = reg[cr][2]; } break; case COMPLEMENT: reg[dr][0] = 1.0 - reg[sr][0]; reg[dr][1] = 1.0 - reg[sr][1]; reg[dr][2] = 1.0 - reg[sr][2]; break; } } accum[0] += reg[0][0]; accum[1] += reg[0][1]; accum[2] += reg[0][2]; } } buffer[0] = accum[0] / (gfloat) (oversampling * oversampling); buffer[1] = accum[1] / (gfloat) (oversampling * oversampling); buffer[2] = accum[2] / (gfloat) (oversampling * oversampling); buffer[3] = 1.0; buffer += 4; } } /** User interface ***********************************************************/ static GtkWidget *preview[9]; static ExpInfo info[9]; static ExpInfo last_info[9]; static void dialog_new_variations (GtkWidget *widget, gpointer data) { gint i; for (i = 1; i < 9; i++) modify_info (&(info[0]), &(info[i])); } static void dialog_update_previews (GtkWidget *widget, gint preview_size) { static const Babl *fish = NULL; static gint size = -1; gfloat *buf; guchar *u8_buf; gint i, j; if (preview_size > 0) size = preview_size; g_return_if_fail (size > 0); buf = g_new (gfloat, size * size * 4); u8_buf = g_new (guchar, size * size * 4); if (! fish) fish = babl_fish (babl_format ("R'G'B'A float"), babl_format ("R'G'B'A u8")); for (j = 0; j < 9; j++) { optimize (&info[(j + 5) % 9]); for (i = 0; i < size; i++) { qbist (&info[(j + 5) % 9], buf + i * size * 4, 0, i, size, size, size, 1); } babl_process (fish, buf, u8_buf, size * size); pika_preview_area_draw (PIKA_PREVIEW_AREA (preview[j]), 0, 0, size, size, PIKA_RGBA_IMAGE, u8_buf, size * 4); } g_free (buf); g_free (u8_buf); } static void dialog_select_preview (GtkWidget *widget, ExpInfo *n_info) { memcpy (last_info, info, sizeof (info)); info[0] = *n_info; dialog_new_variations (widget, NULL); dialog_update_previews (widget, -1); } /* File I/O stuff */ static guint16 get_be16 (guint8 *buf) { return (guint16) buf[0] << 8 | buf[1]; } static void set_be16 (guint8 *buf, guint16 val) { buf[0] = val >> 8; buf[1] = val & 0xFF; } static gboolean load_data (gchar *name) { gint i; FILE *f; guint8 buf[288]; f = g_fopen (name, "rb"); if (f == NULL) { return FALSE; } if (fread (buf, 1, sizeof (buf), f) != sizeof (buf)) { fclose (f); return FALSE; } fclose (f); for (i = 0; i < MAX_TRANSFORMS; i++) info[0].transformSequence[i] = get_be16 (buf + i * 2 + MAX_TRANSFORMS * 2 * 0) % NUM_TRANSFORMS; for (i = 0; i < MAX_TRANSFORMS; i++) info[0].source[i] = get_be16 (buf + i * 2 + MAX_TRANSFORMS * 2 * 1) % NUM_REGISTERS; for (i = 0; i < MAX_TRANSFORMS; i++) info[0].control[i] = get_be16 (buf + i * 2 + MAX_TRANSFORMS * 2 * 2) % NUM_REGISTERS; for (i = 0; i < MAX_TRANSFORMS; i++) info[0].dest[i] = get_be16 (buf + i * 2 + MAX_TRANSFORMS * 2 * 3) % NUM_REGISTERS; return TRUE; } static gboolean save_data (gchar *name) { gint i = 0; FILE *f; guint8 buf[288]; f = g_fopen (name, "wb"); if (f == NULL) { return FALSE; } for (i = 0; i < MAX_TRANSFORMS; i++) set_be16 (buf + i * 2 + MAX_TRANSFORMS * 2 * 0, info[0].transformSequence[i]); for (i = 0; i < MAX_TRANSFORMS; i++) set_be16 (buf + i * 2 + MAX_TRANSFORMS * 2 * 1, info[0].source[i]); for (i = 0; i < MAX_TRANSFORMS; i++) set_be16 (buf + i * 2 + MAX_TRANSFORMS * 2 * 2, info[0].control[i]); for (i = 0; i < MAX_TRANSFORMS; i++) set_be16 (buf + i * 2 + MAX_TRANSFORMS * 2 * 3, info[0].dest[i]); fwrite (buf, 1, sizeof (buf), f); fclose (f); return TRUE; } static void dialog_undo (GtkWidget *widget, gpointer data) { ExpInfo temp_info[9]; memcpy (temp_info, info, sizeof (info)); memcpy (info, last_info, sizeof (info)); dialog_update_previews (NULL, -1); memcpy (last_info, temp_info, sizeof (info)); } static void dialog_load (GtkWidget *widget, gpointer data) { GtkWidget *parent; GtkWidget *dialog; parent = gtk_widget_get_toplevel (widget); dialog = gtk_file_chooser_dialog_new (_("Load QBE File"), GTK_WINDOW (parent), GTK_FILE_CHOOSER_ACTION_OPEN, _("_Cancel"), GTK_RESPONSE_CANCEL, _("_Open"), GTK_RESPONSE_OK, NULL); pika_dialog_set_alternative_button_order (GTK_DIALOG (dialog), GTK_RESPONSE_OK, GTK_RESPONSE_CANCEL, -1); gtk_dialog_set_default_response (GTK_DIALOG (dialog), GTK_RESPONSE_OK); if (qbist_info.path) gtk_file_chooser_set_filename (GTK_FILE_CHOOSER (dialog), qbist_info.path); if (gtk_dialog_run (GTK_DIALOG (dialog)) == GTK_RESPONSE_OK) { gchar *name = gtk_file_chooser_get_filename (GTK_FILE_CHOOSER (dialog)); g_free (qbist_info.path); qbist_info.path = name; load_data (qbist_info.path); dialog_new_variations (NULL, NULL); dialog_update_previews (NULL, -1); } gtk_widget_destroy (dialog); } static void dialog_save (GtkWidget *widget, gpointer data) { GtkWidget *parent; GtkWidget *dialog; parent = gtk_widget_get_toplevel (widget); dialog = gtk_file_chooser_dialog_new (_("Save as QBE File"), GTK_WINDOW (parent), GTK_FILE_CHOOSER_ACTION_SAVE, _("_Cancel"), GTK_RESPONSE_CANCEL, _("_Save"), GTK_RESPONSE_OK, NULL); pika_dialog_set_alternative_button_order (GTK_DIALOG (dialog), GTK_RESPONSE_OK, GTK_RESPONSE_CANCEL, -1); gtk_dialog_set_default_response (GTK_DIALOG (dialog), GTK_RESPONSE_OK); gtk_file_chooser_set_do_overwrite_confirmation (GTK_FILE_CHOOSER (dialog), TRUE); gtk_file_chooser_set_filename (GTK_FILE_CHOOSER (dialog), qbist_info.path); if (gtk_dialog_run (GTK_DIALOG (dialog)) == GTK_RESPONSE_OK) { gchar *name = gtk_file_chooser_get_filename (GTK_FILE_CHOOSER (dialog)); g_free (qbist_info.path); qbist_info.path = name; save_data (qbist_info.path); } gtk_widget_destroy (dialog); } static void dialog_toggle_antialaising (GtkWidget *widget, gpointer data) { qbist_info.oversampling = gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (widget)) ? 4 : 1; } static gboolean dialog_run (void) { GtkWidget *dialog; GtkWidget *vbox; GtkWidget *bbox; GtkWidget *button; GtkWidget *grid; gint preview_size; gint i; gboolean run; pika_ui_init (PLUG_IN_BINARY); dialog = pika_dialog_new (_("G-Qbist"), PLUG_IN_ROLE, NULL, 0, pika_standard_help_func, PLUG_IN_PROC, _("_Cancel"), GTK_RESPONSE_CANCEL, _("_OK"), GTK_RESPONSE_OK, NULL); pika_dialog_set_alternative_button_order (GTK_DIALOG (dialog), GTK_RESPONSE_OK, GTK_RESPONSE_CANCEL, -1); pika_window_set_transient (GTK_WINDOW (dialog)); vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 12); gtk_container_set_border_width (GTK_CONTAINER (vbox), 12); gtk_box_pack_start (GTK_BOX (gtk_dialog_get_content_area (GTK_DIALOG (dialog))), vbox, FALSE, FALSE, 0); gtk_widget_show (vbox); grid = gtk_grid_new (); gtk_grid_set_row_spacing (GTK_GRID (grid), 6); gtk_grid_set_column_spacing (GTK_GRID (grid), 6); gtk_box_pack_start (GTK_BOX (vbox), grid, FALSE, FALSE, 0); gtk_widget_show (grid); info[0] = qbist_info.info; dialog_new_variations (NULL, NULL); memcpy (last_info, info, sizeof (info)); preview_size = gtk_widget_get_scale_factor (grid) * PREVIEW_SIZE; for (i = 0; i < 9; i++) { button = gtk_button_new (); if (i == 4) { GtkWidget *frame; frame = gtk_frame_new (_("Pattern")); gtk_frame_set_label_align (GTK_FRAME (frame), 0.5, 0.5); gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_ETCHED_OUT); gtk_grid_attach (GTK_GRID (grid), frame, i % 3, i / 3, 1, 2); gtk_container_add (GTK_CONTAINER (frame), button); gtk_widget_show (frame); } else if (i > 2) { gtk_grid_attach (GTK_GRID (grid), button, i % 3, i / 3 + 1, 1, 1); } else { gtk_grid_attach (GTK_GRID (grid), button, i % 3, i / 3, 1, 1); } gtk_widget_set_valign (button, GTK_ALIGN_END); gtk_widget_show (button); g_signal_connect (button, "clicked", G_CALLBACK (dialog_select_preview), (gpointer) & (info[(i + 5) % 9])); preview[i] = pika_preview_area_new (); gtk_widget_set_size_request (preview[i], preview_size, preview_size); gtk_container_add (GTK_CONTAINER (button), preview[i]); gtk_widget_show (preview[i]); } button = gtk_check_button_new_with_mnemonic (_("_Antialiasing")); gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (button), qbist_info.oversampling > 1); gtk_box_pack_start (GTK_BOX (vbox), button, FALSE, FALSE, 0); gtk_widget_show (button); g_signal_connect (button, "toggled", G_CALLBACK (dialog_toggle_antialaising), NULL); bbox = gtk_button_box_new (GTK_ORIENTATION_HORIZONTAL); gtk_button_box_set_layout (GTK_BUTTON_BOX (bbox), GTK_BUTTONBOX_START); gtk_box_pack_start (GTK_BOX (vbox), bbox, FALSE, FALSE, 0); gtk_widget_show (bbox); button = gtk_button_new_with_mnemonic (_("_Undo")); gtk_container_add (GTK_CONTAINER (bbox), button); gtk_widget_show (button); g_signal_connect (button, "clicked", G_CALLBACK (dialog_undo), NULL); button = gtk_button_new_with_mnemonic (_("_Open")); gtk_container_add (GTK_CONTAINER (bbox), button); gtk_widget_show (button); g_signal_connect (button, "clicked", G_CALLBACK (dialog_load), NULL); button = gtk_button_new_with_mnemonic (_("_Save")); gtk_container_add (GTK_CONTAINER (bbox), button); gtk_widget_show (button); g_signal_connect (button, "clicked", G_CALLBACK (dialog_save), NULL); gtk_widget_show (dialog); dialog_update_previews (NULL, preview_size); run = (pika_dialog_run (PIKA_DIALOG (dialog)) == GTK_RESPONSE_OK); if (run) qbist_info.info = info[0]; gtk_widget_destroy (dialog); return run; }