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Diffstat (limited to 'plug-ins/common/fractal-trace.c')
-rw-r--r-- | plug-ins/common/fractal-trace.c | 829 |
1 files changed, 829 insertions, 0 deletions
diff --git a/plug-ins/common/fractal-trace.c b/plug-ins/common/fractal-trace.c new file mode 100644 index 0000000..9ac702e --- /dev/null +++ b/plug-ins/common/fractal-trace.c @@ -0,0 +1,829 @@ +/****************************************************************************** + + fractaltrace.c -- This is a plug-in for GIMP 1.0 + + Copyright (C) 1997 Hirotsuna Mizuno + s1041150@u-aizu.ac.jp + + 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 <https://www.gnu.org/licenses/>. + +******************************************************************************/ + +#define PLUG_IN_PROC "plug-in-fractal-trace" +#define PLUG_IN_BINARY "fractal-trace" +#define PLUG_IN_ROLE "gimp-fractal-trace" +#define PLUG_IN_VERSION "v0.4 test version (Dec. 25 1997)" + +/*****************************************************************************/ + +#include "config.h" + +#include <libgimp/gimp.h> +#include <libgimp/gimpui.h> + +#include "libgimp/stdplugins-intl.h" + +/******************************************************************************/ + +static void query (void); +static void run (const gchar *name, + gint nparams, + const GimpParam *param, + gint *nreturn_vals, + GimpParam **return_vals); + +static void filter (GimpDrawable *drawable); + +static void pixels_init (GimpDrawable *drawable); +static void pixels_free (void); + +static int dialog_show (void); +static void dialog_preview_draw (void); + +/******************************************************************************/ + +const GimpPlugInInfo PLUG_IN_INFO = +{ + NULL, /* init_proc */ + NULL, /* quit_proc */ + query, /* query_proc */ + run /* run_proc */ +}; + +MAIN () + +/******************************************************************************/ + +enum +{ + OUTSIDE_TYPE_WRAP, + OUTSIDE_TYPE_TRANSPARENT, + OUTSIDE_TYPE_BLACK, + OUTSIDE_TYPE_WHITE +}; + +typedef struct +{ + gdouble x1; + gdouble x2; + gdouble y1; + gdouble y2; + gint32 depth; + gint32 outside_type; +} parameter_t; + +static parameter_t parameters = +{ + -1.0, + +0.5, + -1.0, + +1.0, + 3, + OUTSIDE_TYPE_WRAP +}; + +/******************************************************************************/ + +static void +query (void) +{ + static const GimpParamDef args[] = + { + { GIMP_PDB_INT32, "run-mode", "The run mode { RUN-INTERACTIVE (0), RUN-NONINTERACTIVE (1) }" }, + { GIMP_PDB_IMAGE, "image", "Input image (unused)" }, + { GIMP_PDB_DRAWABLE, "drawable", "Input drawable" }, + { GIMP_PDB_FLOAT, "xmin", "xmin fractal image delimiter" }, + { GIMP_PDB_FLOAT, "xmax", "xmax fractal image delimiter" }, + { GIMP_PDB_FLOAT, "ymin", "ymin fractal image delimiter" }, + { GIMP_PDB_FLOAT, "ymax", "ymax fractal image delimiter" }, + { GIMP_PDB_INT32, "depth", "Trace depth" }, + { GIMP_PDB_INT32, "outside-type", "Outside type " + "{ WRAP (0), TRANS (1), BLACK (2), WHITE (3) }" } + }; + + gimp_install_procedure (PLUG_IN_PROC, + N_("Transform image with the Mandelbrot Fractal"), + "transform image with the Mandelbrot Fractal", + "Hirotsuna Mizuno <s1041150@u-aizu.ac.jp>", + "Copyright (C) 1997 Hirotsuna Mizuno", + PLUG_IN_VERSION, + N_("_Fractal Trace (legacy)..."), + "RGB*, GRAY*", + GIMP_PLUGIN, + G_N_ELEMENTS (args), 0, + args, NULL); + + gimp_plugin_menu_register (PLUG_IN_PROC, "<Image>/Filters/Map"); +} + +/******************************************************************************/ + +typedef struct +{ + gint x1; + gint x2; + gint y1; + gint y2; + gint width; + gint height; + gdouble center_x; + gdouble center_y; +} selection_t; + +typedef struct +{ + gint width; + gint height; + gint bpp; + gint alpha; +} image_t; + +static selection_t selection; +static image_t image; + +/******************************************************************************/ + +static void +run (const gchar *name, + gint argc, + const GimpParam *args, + gint *retc, + GimpParam **rets) +{ + GimpDrawable *drawable; + GimpRunMode run_mode; + GimpPDBStatusType status; + static GimpParam returns[1]; + + run_mode = args[0].data.d_int32; + status = GIMP_PDB_SUCCESS; + + INIT_I18N (); + + drawable = gimp_drawable_get (args[2].data.d_drawable); + image.width = gimp_drawable_width( drawable->drawable_id); + image.height = gimp_drawable_height (drawable->drawable_id); + image.bpp = gimp_drawable_bpp (drawable->drawable_id); + image.alpha = gimp_drawable_has_alpha (drawable->drawable_id); + + if (! gimp_drawable_mask_intersect (drawable->drawable_id, + &selection.x1, &selection.y1, + &selection.width, &selection.height)) + { + returns[0].type = GIMP_PDB_STATUS; + returns[0].data.d_status = status; + *retc = 1; + *rets = returns; + + return; + } + + selection.x2 = selection.x1 + selection.width; + selection.y2 = selection.y1 + selection.height; + selection.center_x = selection.x1 + (gdouble) selection.width / 2.0; + selection.center_y = selection.y1 + (gdouble) selection.height / 2.0; + + pixels_init (drawable); + + if (!gimp_drawable_is_rgb(drawable->drawable_id) && + !gimp_drawable_is_gray(drawable->drawable_id)) + { + status = GIMP_PDB_EXECUTION_ERROR; + } + + switch (run_mode) + { + case GIMP_RUN_WITH_LAST_VALS: + gimp_get_data (PLUG_IN_PROC, ¶meters); + break; + + case GIMP_RUN_INTERACTIVE: + gimp_get_data (PLUG_IN_PROC, ¶meters); + if (!dialog_show ()) + { + status = GIMP_PDB_EXECUTION_ERROR; + break; + } + gimp_set_data (PLUG_IN_PROC, ¶meters, sizeof (parameter_t)); + break; + + case GIMP_RUN_NONINTERACTIVE: + if (argc != 9) + { + status = GIMP_PDB_CALLING_ERROR; + } + else + { + parameters.x1 = args[3].data.d_float; + parameters.x2 = args[4].data.d_float; + parameters.y1 = args[5].data.d_float; + parameters.y2 = args[6].data.d_float; + parameters.depth = args[7].data.d_int32; + parameters.outside_type = args[8].data.d_int32; + } + break; + } + + if (status == GIMP_PDB_SUCCESS) + { + gimp_tile_cache_ntiles(2 * (drawable->width / gimp_tile_width() + 1)); + filter (drawable); + if (run_mode != GIMP_RUN_NONINTERACTIVE) + gimp_displays_flush(); + } + + gimp_drawable_detach (drawable); + + pixels_free (); + + returns[0].type = GIMP_PDB_STATUS; + returns[0].data.d_status = status; + *retc = 1; + *rets = returns; +} + +/******************************************************************************/ + +static guchar **spixels; +static guchar **dpixels; +static GimpPixelRgn sPR; +static GimpPixelRgn dPR; + +typedef struct +{ + guchar r; + guchar g; + guchar b; + guchar a; +} pixel_t; + +static void +pixels_init (GimpDrawable *drawable) +{ + gint y; + + gimp_pixel_rgn_init (&sPR, drawable, + 0, 0, image.width, image.height, FALSE, FALSE); + gimp_pixel_rgn_init (&dPR, drawable, + 0, 0, image.width, image.height, TRUE, TRUE); + + spixels = g_new (guchar *, image.height); + dpixels = g_new (guchar *, image.height); + + for (y = 0; y < image.height; y++) + { + spixels[y] = g_new (guchar, image.width * image.bpp); + dpixels[y] = g_new (guchar, image.width * image.bpp); + gimp_pixel_rgn_get_row (&sPR, spixels[y], 0, y, image.width); + } +} + +static void +pixels_free (void) +{ + gint y; + + for (y = 0; y < image.height; y++) + { + g_free (spixels[y]); + g_free (dpixels[y]); + } + g_free (spixels); + g_free (dpixels); +} + +static void +pixels_get (gint x, + gint y, + pixel_t *pixel) +{ + if(x < 0) x = 0; else if (image.width <= x) x = image.width - 1; + if(y < 0) y = 0; else if (image.height <= y) y = image.height - 1; + + switch (image.bpp) + { + case 1: /* GRAY */ + pixel->r = spixels[y][x*image.bpp]; + pixel->g = spixels[y][x*image.bpp]; + pixel->b = spixels[y][x*image.bpp]; + pixel->a = 255; + break; + case 2: /* GRAY+A */ + pixel->r = spixels[y][x*image.bpp]; + pixel->g = spixels[y][x*image.bpp]; + pixel->b = spixels[y][x*image.bpp]; + pixel->a = spixels[y][x*image.bpp+1]; + break; + case 3: /* RGB */ + pixel->r = spixels[y][x*image.bpp]; + pixel->g = spixels[y][x*image.bpp+1]; + pixel->b = spixels[y][x*image.bpp+2]; + pixel->a = 255; + break; + case 4: /* RGB+A */ + pixel->r = spixels[y][x*image.bpp]; + pixel->g = spixels[y][x*image.bpp+1]; + pixel->b = spixels[y][x*image.bpp+2]; + pixel->a = spixels[y][x*image.bpp+3]; + break; + } +} + +static void +pixels_get_biliner (gdouble x, + gdouble y, + pixel_t *pixel) +{ + pixel_t A, B, C, D; + gdouble a, b, c, d; + gint x1, y1, x2, y2; + gdouble dx, dy; + gdouble alpha; + + x1 = (gint) floor (x); + x2 = x1 + 1; + y1 = (gint) floor (y); + y2 = y1 + 1; + + dx = x - (gdouble) x1; + dy = y - (gdouble) y1; + a = (1.0 - dx) * (1.0 - dy); + b = dx * (1.0 - dy); + c = (1.0 - dx) * dy; + d = dx * dy; + + pixels_get (x1, y1, &A); + pixels_get (x2, y1, &B); + pixels_get (x1, y2, &C); + pixels_get (x2, y2, &D); + + alpha = 1.0001*(a * (gdouble) A.a + b * (gdouble) B.a + + c * (gdouble) C.a + d * (gdouble) D.a); + pixel->a = (guchar) alpha; + + if (pixel->a) + { + pixel->r = (guchar) ((a * (gdouble) A.r * A.a + + b * (gdouble) B.r * B.a + + c * (gdouble) C.r * C.a + + d * (gdouble) D.r * D.a) / alpha); + pixel->g = (guchar) ((a * (gdouble) A.g * A.a + + b * (gdouble) B.g * B.a + + c * (gdouble) C.g * C.a + + d * (gdouble) D.g * D.a) / alpha); + pixel->b = (guchar) ((a * (gdouble) A.b * A.a + + b * (gdouble) B.b * B.a + + c * (gdouble) C.b * C.a + + d * (gdouble) D.b * D.a) / alpha); + } +} + +static void +pixels_set (gint x, + gint y, + pixel_t *pixel) +{ + switch (image.bpp) + { + case 1: /* GRAY */ + dpixels[y][x*image.bpp] = pixel->r; + break; + case 2: /* GRAY+A */ + dpixels[y][x*image.bpp] = pixel->r; + dpixels[y][x*image.bpp+1] = pixel->a; + break; + case 3: /* RGB */ + dpixels[y][x*image.bpp] = pixel->r; + dpixels[y][x*image.bpp+1] = pixel->g; + dpixels[y][x*image.bpp+2] = pixel->b; + break; + case 4: /* RGB+A */ + dpixels[y][x*image.bpp] = pixel->r; + dpixels[y][x*image.bpp+1] = pixel->g; + dpixels[y][x*image.bpp+2] = pixel->b; + dpixels[y][x*image.bpp+3] = pixel->a; + break; + } +} + +static void +pixels_store (void) +{ + gint y; + + for (y = selection.y1; y < selection.y2; y++) + { + gimp_pixel_rgn_set_row (&dPR, dpixels[y], 0, y, image.width); + } +} + +/******************************************************************************/ + +static void +mandelbrot (gdouble x, + gdouble y, + gdouble *u, + gdouble *v) +{ + gint iter = 0; + gdouble xx = x; + gdouble yy = y; + gdouble x2 = xx * xx; + gdouble y2 = yy * yy; + gdouble tmp; + + while (iter < parameters.depth) + { + tmp = x2 - y2 + x; + yy = 2 * xx * yy + y; + xx = tmp; + x2 = xx * xx; + y2 = yy * yy; + iter++; + } + *u = xx; + *v = yy; +} + +/******************************************************************************/ + +static void +filter (GimpDrawable *drawable) +{ + gint x, y; + pixel_t pixel; + gdouble scale_x, scale_y; + gdouble cx, cy; + gdouble px, py; + gint h_percent; + + gimp_progress_init (_("Fractal Trace")); + + if (selection.width == 0 || selection.height == 0) + return; + + h_percent = selection.height / 100; + + scale_x = (parameters.x2 - parameters.x1) / selection.width; + scale_y = (parameters.y2 - parameters.y1) / selection.height; + + for (y = selection.y1; y < selection.y2; y++) + { + cy = parameters.y1 + (y - selection.y1) * scale_y; + for (x = selection.x1; x < selection.x2; x++) + { + cx = parameters.x1 + (x - selection.x1) * scale_x; + mandelbrot (cx, cy, &px, &py); + px = (px - parameters.x1) / scale_x + selection.x1; + py = (py - parameters.y1) / scale_y + selection.y1; + if (0 <= px && px < image.width && 0 <= py && py < image.height) + { + pixels_get_biliner (px, py, &pixel); + } + else + { + switch (parameters.outside_type) + { + case OUTSIDE_TYPE_WRAP: + px = fmod (px, image.width); + py = fmod (py, image.height); + if( px < 0.0) px += image.width; + if (py < 0.0) py += image.height; + pixels_get_biliner (px, py, &pixel); + break; + case OUTSIDE_TYPE_TRANSPARENT: + pixel.r = pixel.g = pixel.b = 0; + pixel.a = 0; + break; + case OUTSIDE_TYPE_BLACK: + pixel.r = pixel.g = pixel.b = 0; + pixel.a = 255; + break; + case OUTSIDE_TYPE_WHITE: + pixel.r = pixel.g = pixel.b = 255; + pixel.a = 255; + break; + } + } + pixels_set (x, y, &pixel); + } + + if (h_percent == 0 || ((y - selection.y1) % h_percent) == 0) + gimp_progress_update ((gdouble) (y-selection.y1) / selection.height); + } + + gimp_progress_update (1.0); + + pixels_store (); + + gimp_drawable_flush (drawable); + gimp_drawable_merge_shadow (drawable->drawable_id, TRUE); + gimp_drawable_update (drawable->drawable_id, + selection.x1, selection.y1, + selection.width, selection.height); +} + +/******************************************************************************/ + +#define PREVIEW_SIZE 200 + +typedef struct +{ + GtkWidget *preview; + guchar *pixels; + gdouble scale; + gint width; + gint height; + gint bpp; +} preview_t; + +static preview_t preview; + +static void +dialog_preview_setpixel (gint x, + gint y, + pixel_t *pixel) +{ + preview.pixels[(y * preview.width + x) * 4 + 0] = pixel->r; + preview.pixels[(y * preview.width + x) * 4 + 1] = pixel->g; + preview.pixels[(y * preview.width + x) * 4 + 2] = pixel->b; + preview.pixels[(y * preview.width + x) * 4 + 3] = pixel->a; +} + +static void +dialog_preview_init (void) +{ + pixel_t pixel; + gint x, y; + gdouble cx, cy; + + if (image.width < image.height) + preview.scale = (gdouble)selection.height / (gdouble)PREVIEW_SIZE; + else + preview.scale = (gdouble)selection.width / (gdouble)PREVIEW_SIZE; + preview.width = (gdouble)selection.width / preview.scale; + preview.height = (gdouble)selection.height / preview.scale; + + preview.preview = gimp_preview_area_new (); + gtk_widget_set_size_request (preview.preview, + preview.width, preview.height); + + preview.pixels = g_new (guchar, preview.height * preview.width * 4); + + for (y = 0; y < preview.height; y++) + { + cy = selection.y1 + (gdouble)y * preview.scale; + for (x = 0; x < preview.width; x++) + { + cx = selection.x1 + (gdouble)x * preview.scale; + pixels_get_biliner (cx, cy, &pixel); + dialog_preview_setpixel (x, y, &pixel); + } + } + gimp_preview_area_draw (GIMP_PREVIEW_AREA (preview.preview), + 0, 0, preview.width, preview.height, + GIMP_RGBA_IMAGE, + preview.pixels, + preview.width *4); +} + +static void +dialog_preview_draw (void) +{ + gint x, y; + pixel_t pixel; + gdouble scale_x, scale_y; + gdouble cx, cy; + gdouble px, py; + + scale_x = (parameters.x2 - parameters.x1) / preview.width; + scale_y = (parameters.y2 - parameters.y1) / preview.height; + + for (y = 0; y < preview.height; y++) + { + cy = parameters.y1 + y * scale_y; + for (x = 0; x < preview.width; x++) + { + cx = parameters.x1 + x * scale_x; + mandelbrot(cx, cy, &px, &py); + px = (px - parameters.x1) / scale_x * preview.scale + selection.x1; + py = (py - parameters.y1) / scale_y * preview.scale + selection.y1; + if (0 <= px && px < image.width && 0 <= py && py < image.height) + { + pixels_get_biliner (px, py, &pixel); + } + else + { + switch (parameters.outside_type) + { + case OUTSIDE_TYPE_WRAP: + px = fmod (px, image.width); + py = fmod (py, image.height); + if (px < 0.0) px += image.width; + if (py < 0.0) py += image.height; + pixels_get_biliner (px, py, &pixel); + break; + case OUTSIDE_TYPE_TRANSPARENT: + pixel.r = pixel.g = pixel.b = 0; + pixel.a = 0; + break; + case OUTSIDE_TYPE_BLACK: + pixel.r = pixel.g = pixel.b = 0; + pixel.a = 255; + break; + case OUTSIDE_TYPE_WHITE: + pixel.r = pixel.g = pixel.b = 255; + pixel.a = 255; + break; + } + } + dialog_preview_setpixel (x, y, &pixel); + } + } + gimp_preview_area_draw (GIMP_PREVIEW_AREA (preview.preview), + 0, 0, preview.width, preview.height, + GIMP_RGBA_IMAGE, + preview.pixels, + preview.width *4); +} + +/******************************************************************************/ + +static void +dialog_int_adjustment_update (GtkAdjustment *adjustment, + gpointer data) +{ + gimp_int_adjustment_update (adjustment, data); + + dialog_preview_draw (); +} + +static void +dialog_double_adjustment_update (GtkAdjustment *adjustment, + gpointer data) +{ + gimp_double_adjustment_update (adjustment, data); + + dialog_preview_draw (); +} + +static void +dialog_outside_type_callback (GtkWidget *widget, + gpointer *data) +{ + gimp_radio_button_update (widget, data); + + if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (widget))) + dialog_preview_draw (); +} + +/******************************************************************************/ + +static gboolean +dialog_show (void) +{ + GtkWidget *dialog; + GtkWidget *mainbox; + GtkWidget *hbox; + GtkWidget *table; + GtkWidget *frame; + GtkWidget *abox; + GtkObject *adj; + gboolean run; + + gimp_ui_init (PLUG_IN_BINARY, TRUE); + + dialog = gimp_dialog_new (_("Fractal Trace"), PLUG_IN_ROLE, + NULL, 0, + gimp_standard_help_func, PLUG_IN_PROC, + + _("_Cancel"), GTK_RESPONSE_CANCEL, + _("_OK"), GTK_RESPONSE_OK, + + NULL); + + gtk_dialog_set_alternative_button_order (GTK_DIALOG (dialog), + GTK_RESPONSE_OK, + GTK_RESPONSE_CANCEL, + -1); + + gimp_window_set_transient (GTK_WINDOW (dialog)); + + mainbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 12); + gtk_container_set_border_width (GTK_CONTAINER (mainbox), 12); + gtk_box_pack_start (GTK_BOX (gtk_dialog_get_content_area (GTK_DIALOG (dialog))), + mainbox, TRUE, TRUE, 0); + gtk_widget_show (mainbox); + + hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 12); + gtk_box_pack_start (GTK_BOX (mainbox), hbox, FALSE, FALSE, 0); + gtk_widget_show (hbox); + + /* Preview */ + abox = gtk_alignment_new (0.0, 0.0, 0.0, 0.0); + gtk_box_pack_start (GTK_BOX (hbox), abox, FALSE, FALSE, 0); + gtk_widget_show (abox); + + frame = gtk_frame_new (NULL); + gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_IN); + gtk_container_add (GTK_CONTAINER (abox), frame); + gtk_widget_show (frame); + + dialog_preview_init (); + gtk_container_add (GTK_CONTAINER (frame), preview.preview); + gtk_widget_show (preview.preview); + + /* Settings */ + frame = gimp_int_radio_group_new (TRUE, _("Outside Type"), + G_CALLBACK (dialog_outside_type_callback), + ¶meters.outside_type, + parameters.outside_type, + + _("_Wrap"), + OUTSIDE_TYPE_WRAP, NULL, + _("_Transparent"), + OUTSIDE_TYPE_TRANSPARENT, NULL, + _("_Black"), + OUTSIDE_TYPE_BLACK, NULL, + _("_White"), + OUTSIDE_TYPE_WHITE, NULL, + + NULL); + gtk_box_pack_start (GTK_BOX (hbox), frame, FALSE, FALSE, 0); + gtk_widget_show (frame); + + frame = gimp_frame_new (_("Mandelbrot Parameters")); + gtk_box_pack_start (GTK_BOX (mainbox), frame, FALSE, FALSE, 0); + gtk_widget_show (frame); + + table = gtk_table_new (5, 3, FALSE); + gtk_table_set_row_spacings (GTK_TABLE (table), 6); + gtk_table_set_col_spacings (GTK_TABLE (table), 6); + gtk_container_add (GTK_CONTAINER (frame), table); + gtk_widget_show (table); + + adj = gimp_scale_entry_new (GTK_TABLE (table), 0, 0, + _("X_1:"), 0, 6, + parameters.x1, -50, 50, 0.1, 0.5, 2, + TRUE, 0, 0, + NULL, NULL); + g_signal_connect (adj, "value-changed", + G_CALLBACK (dialog_double_adjustment_update), + ¶meters.x1); + + adj = gimp_scale_entry_new (GTK_TABLE (table), 0, 1, + _("X_2:"), 0, 6, + parameters.x2, -50, 50, 0.1, 0.5, 2, + TRUE, 0, 0, + NULL, NULL); + g_signal_connect (adj, "value-changed", + G_CALLBACK (dialog_double_adjustment_update), + ¶meters.x2); + + adj = gimp_scale_entry_new (GTK_TABLE (table), 0, 2, + _("Y_1:"), 0, 6, + parameters.y1, -50, 50, 0.1, 0.5, 2, + TRUE, 0, 0, + NULL, NULL); + g_signal_connect (adj, "value-changed", + G_CALLBACK (dialog_double_adjustment_update), + ¶meters.y1); + + adj = gimp_scale_entry_new (GTK_TABLE (table), 0, 3, + _("Y_2:"), 0, 6, + parameters.y2, -50, 50, 0.1, 0.5, 2, + TRUE, 0, 0, + NULL, NULL); + g_signal_connect (adj, "value-changed", + G_CALLBACK (dialog_double_adjustment_update), + ¶meters.y2); + + adj = gimp_scale_entry_new (GTK_TABLE (table), 0, 4, + _("_Depth:"), 0, 6, + parameters.depth, 1, 50, 1, 5, 0, + TRUE, 0, 0, + NULL, NULL); + g_signal_connect (adj, "value-changed", + G_CALLBACK (dialog_int_adjustment_update), + ¶meters.depth); + + gtk_widget_show (dialog); + dialog_preview_draw (); + + run = (gimp_dialog_run (GIMP_DIALOG (dialog)) == GTK_RESPONSE_OK); + + gtk_widget_destroy (dialog); + + return run; +} |