mirror of https://github.com/GNOME/gimp.git
Added a preview and #if'ed out some unreachable code.
* plug-ins/common/engrave.c: Added a preview and #if'ed out some unreachable code.
This commit is contained in:
David Odin
parent
ad1c2ca0fc
commit
b1f789d6f0
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@ -1,3 +1,8 @@
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2004-09-25 DindinX <dindinx@gimp.org>
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* plug-ins/common/engrave.c: Added a preview and #if'ed out some
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unreachable code.
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2004-09-25 Michael Natterer <mitch@gimp.org>
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* app/core/gimppickable.[ch]: added new vitrual function
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@ -35,31 +35,40 @@
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typedef struct
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{
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gint height;
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gint limit;
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gint height;
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gboolean limit;
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gboolean preview;
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} EngraveValues;
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static void query (void);
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static void run (const gchar *name,
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gint nparams,
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const GimpParam *param,
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gint *nreturn_vals,
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GimpParam **return_vals);
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gint nparams,
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const GimpParam *param,
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gint *nreturn_vals,
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GimpParam **return_vals);
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static gboolean engrave_dialog (void);
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static gboolean engrave_dialog (GimpDrawable *drawable);
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static void engrave (GimpDrawable *drawable);
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static void engrave_large (GimpDrawable *drawable,
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gint height,
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gint limit);
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static void engrave_small (GimpDrawable *drawable,
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gint height,
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gint limit,
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gint tile_width);
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static void engrave_sub (gint height,
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gint limit,
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gint bpp,
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gint color_n);
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static void engrave (GimpDrawable *drawable,
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GimpDrawablePreview *preview);
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#if 0
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static void engrave_large (GimpDrawable *drawable,
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gint height,
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gboolean limit,
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GimpDrawablePreview *preview);
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#endif
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static void engrave_small (GimpDrawable *drawable,
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gint height,
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gboolean limit,
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gint tile_width,
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GimpDrawablePreview *preview);
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static void engrave_sub (gint height,
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gboolean limit,
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gint bpp,
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gint color_n);
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GimpPlugInInfo PLUG_IN_INFO =
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{
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@ -71,10 +80,11 @@ GimpPlugInInfo PLUG_IN_INFO =
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static EngraveValues pvals =
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{
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10
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10, /* height */
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FALSE, /* limit */
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TRUE /* preview */
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};
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MAIN ()
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static void
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@ -90,16 +100,16 @@ query (void)
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};
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gimp_install_procedure ("plug_in_engrave",
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"Engrave the contents of the specified drawable",
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"Creates a black-and-white 'engraved' version of an image as seen in old illustrations",
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"Spencer Kimball & Peter Mattis, Eiichi Takamori, Torsten Martinsen",
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"Spencer Kimball & Peter Mattis, Eiichi Takamori, Torsten Martinsen",
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"1995,1996,1997",
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N_("En_grave..."),
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"RGBA, GRAYA",
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GIMP_PLUGIN,
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G_N_ELEMENTS (args), 0,
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args, NULL);
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"Engrave the contents of the specified drawable",
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"Creates a black-and-white 'engraved' version of an image as seen in old illustrations",
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"Spencer Kimball & Peter Mattis, Eiichi Takamori, Torsten Martinsen",
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"Spencer Kimball & Peter Mattis, Eiichi Takamori, Torsten Martinsen",
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"1995,1996,1997",
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N_("En_grave..."),
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"RGBA, GRAYA",
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GIMP_PLUGIN,
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G_N_ELEMENTS (args), 0,
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args, NULL);
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gimp_plugin_menu_register ("plug_in_engrave",
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N_("<Image>/Filters/Distorts"));
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@ -137,25 +147,25 @@ run (const gchar *name,
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gimp_get_data ("plug_in_engrave", &pvals);
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/* First acquire information with a dialog */
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if (!engrave_dialog ())
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{
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gimp_drawable_detach (drawable);
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return;
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}
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if (!engrave_dialog (drawable))
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{
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gimp_drawable_detach (drawable);
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return;
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}
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break;
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case GIMP_RUN_NONINTERACTIVE:
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/* Make sure all the arguments are there! */
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if (nparams != 5)
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status = GIMP_PDB_CALLING_ERROR;
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status = GIMP_PDB_CALLING_ERROR;
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if (status == GIMP_PDB_SUCCESS)
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{
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pvals.height = param[3].data.d_int32;
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pvals.limit = (param[4].data.d_int32) ? TRUE : FALSE;
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}
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{
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pvals.height = param[3].data.d_int32;
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pvals.limit = (param[4].data.d_int32) ? TRUE : FALSE;
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}
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if ((status == GIMP_PDB_SUCCESS) &&
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pvals.height < 0)
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status = GIMP_PDB_CALLING_ERROR;
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pvals.height < 0)
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status = GIMP_PDB_CALLING_ERROR;
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break;
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case GIMP_RUN_WITH_LAST_VALS:
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@ -172,14 +182,14 @@ run (const gchar *name,
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gimp_progress_init (_("Engraving..."));
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gimp_tile_cache_ntiles (TILE_CACHE_SIZE);
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engrave (drawable);
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engrave (drawable, NULL);
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if (run_mode != GIMP_RUN_NONINTERACTIVE)
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gimp_displays_flush ();
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gimp_displays_flush ();
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/* Store data */
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if (run_mode == GIMP_RUN_INTERACTIVE)
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gimp_set_data ("plug_in_engrave", &pvals, sizeof (EngraveValues));
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gimp_set_data ("plug_in_engrave", &pvals, sizeof (EngraveValues));
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}
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values[0].data.d_status = status;
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@ -187,10 +197,11 @@ run (const gchar *name,
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}
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static gboolean
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engrave_dialog (void)
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engrave_dialog (GimpDrawable *drawable)
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{
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GtkWidget *dlg;
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GtkWidget *vbox;
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GtkWidget *dialog;
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GtkWidget *main_vbox;
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GtkWidget *preview;
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GtkWidget *table;
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GtkWidget *toggle;
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GtkObject *adj;
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@ -198,48 +209,61 @@ engrave_dialog (void)
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gimp_ui_init ("engrave", FALSE);
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dlg = gimp_dialog_new (_("Engrave"), "engrave",
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NULL, 0,
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gimp_standard_help_func, "plug-in-engrave",
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dialog = gimp_dialog_new (_("Engrave"), "engrave",
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NULL, 0,
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gimp_standard_help_func, "plug-in-engrave",
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GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
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GTK_STOCK_OK, GTK_RESPONSE_OK,
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GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
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GTK_STOCK_OK, GTK_RESPONSE_OK,
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NULL);
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NULL);
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vbox = gtk_vbox_new (FALSE, 12);
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gtk_container_set_border_width (GTK_CONTAINER (vbox), 12);
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gtk_box_pack_start (GTK_BOX (GTK_DIALOG (dlg)->vbox), vbox, TRUE, TRUE, 0);
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gtk_widget_show (vbox);
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main_vbox = gtk_vbox_new (FALSE, 12);
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gtk_container_set_border_width (GTK_CONTAINER (main_vbox), 12);
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gtk_container_add (GTK_CONTAINER (GTK_DIALOG (dialog)->vbox), main_vbox);
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gtk_widget_show (main_vbox);
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preview = gimp_drawable_preview_new (drawable, &pvals.preview);
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gtk_box_pack_start_defaults (GTK_BOX (main_vbox), preview);
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gtk_widget_show (preview);
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g_signal_connect_swapped (preview, "invalidated",
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G_CALLBACK (engrave),
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drawable);
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table = gtk_table_new (1, 3, FALSE);
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gtk_table_set_col_spacings (GTK_TABLE (table), 6);
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gtk_box_pack_start (GTK_BOX (vbox), table, FALSE, FALSE, 0);
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gtk_box_pack_start (GTK_BOX (main_vbox), table, FALSE, FALSE, 0);
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gtk_widget_show (table);
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adj = gimp_scale_entry_new (GTK_TABLE (table), 0, 0,
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_("_Height:"), SCALE_WIDTH, 0,
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pvals.height, 2.0, 16.0, 1.0, 4.0, 0,
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TRUE, 0, 0,
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NULL, NULL);
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_("_Height:"), SCALE_WIDTH, 0,
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pvals.height, 2.0, 16.0, 1.0, 4.0, 0,
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TRUE, 0, 0,
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NULL, NULL);
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g_signal_connect (adj, "value_changed",
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G_CALLBACK (gimp_int_adjustment_update),
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&pvals.height);
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g_signal_connect_swapped (adj, "value_changed",
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G_CALLBACK (gimp_preview_invalidate),
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preview);
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toggle = gtk_check_button_new_with_mnemonic (_("_Limit line width"));
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gtk_box_pack_start (GTK_BOX (vbox), toggle, FALSE, FALSE, 0);
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gtk_box_pack_start (GTK_BOX (main_vbox), toggle, FALSE, FALSE, 0);
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gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (toggle), pvals.limit);
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gtk_widget_show (toggle);
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g_signal_connect (toggle, "toggled",
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G_CALLBACK (gimp_toggle_button_update),
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&pvals.limit);
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g_signal_connect_swapped (toggle, "toggled",
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G_CALLBACK (gimp_preview_invalidate),
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preview);
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gtk_widget_show (dlg);
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gtk_widget_show (dialog);
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run = (gimp_dialog_run (GIMP_DIALOG (dlg)) == GTK_RESPONSE_OK);
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run = (gimp_dialog_run (GIMP_DIALOG (dialog)) == GTK_RESPONSE_OK);
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gtk_widget_destroy (dlg);
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gtk_widget_destroy (dialog);
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return run;
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}
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@ -247,41 +271,48 @@ engrave_dialog (void)
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/* Engrave interface functions */
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static void
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engrave (GimpDrawable *drawable)
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engrave (GimpDrawable *drawable,
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GimpDrawablePreview *preview)
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{
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gint tile_width;
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gint height;
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gint limit;
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gint tile_width;
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gint height;
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gboolean limit;
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tile_width = gimp_tile_width();
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height = pvals.height;
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limit = pvals.limit;
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/* [DindinX] this test is always false since
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* tile_width == 64 and height <= 16 */
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#if 0
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if (height >= tile_width)
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engrave_large (drawable, height, limit);
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engrave_large (drawable, height, limit, preview);
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else
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engrave_small (drawable, height, limit, tile_width);
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#endif
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engrave_small (drawable, height, limit, tile_width, preview);
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}
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#if 0
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static void
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engrave_large (GimpDrawable *drawable,
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gint height,
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gint limit)
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engrave_large (GimpDrawable *drawable,
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gint height,
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gboolean limit,
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GimpDrawablePreview *preview)
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{
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GimpPixelRgn src_rgn, dest_rgn;
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guchar *src_row, *dest_row;
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guchar *src, *dest;
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gulong *average;
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gint row, col, b, bpp;
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gint x, y, y_step, inten, v;
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gulong count;
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gint x1, y1, x2, y2;
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gint progress, max_progress;
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gpointer pr;
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GimpPixelRgn src_rgn, dest_rgn;
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guchar *src_row, *dest_row;
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guchar *src, *dest;
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gulong *average;
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gint row, col, b, bpp;
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gint x, y, y_step, inten, v;
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gulong count;
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gint x1, y1, x2, y2;
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gint progress, max_progress;
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gpointer pr;
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gimp_drawable_mask_bounds (drawable->drawable_id, &x1, &y1, &x2, &y2);
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bpp = (gimp_drawable_is_rgb(drawable->drawable_id)) ? 3 : 1;
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average = g_new(gulong, bpp);
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bpp = (gimp_drawable_is_rgb (drawable->drawable_id)) ? 3 : 1;
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average = g_new (gulong, bpp);
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/* Initialize progress */
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progress = 0;
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@ -290,76 +321,76 @@ engrave_large (GimpDrawable *drawable,
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for (y = y1; y < y2; y += height - (y % height))
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{
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for (x = x1; x < x2; ++x)
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{
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y_step = height - (y % height);
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y_step = MIN(y_step, x2 - x);
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{
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y_step = height - (y % height);
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y_step = MIN (y_step, x2 - x);
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gimp_pixel_rgn_init (&src_rgn, drawable, x, y, 1, y_step,
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FALSE, FALSE);
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for (b = 0; b < bpp; b++)
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average[b] = 0;
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count = 0;
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gimp_pixel_rgn_init (&src_rgn, drawable, x, y, 1, y_step,
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FALSE, FALSE);
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for (b = 0; b < bpp; b++)
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average[b] = 0;
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count = 0;
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for (pr = gimp_pixel_rgns_register (1, &src_rgn);
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pr != NULL;
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pr = gimp_pixel_rgns_process(pr))
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{
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src_row = src_rgn.data;
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for (row = 0; row < src_rgn.h; row++)
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{
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src = src_row;
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for (col = 0; col < src_rgn.w; col++)
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{
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for (b = 0; b < bpp; b++)
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average[b] += src[b];
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src += src_rgn.bpp;
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count += 1;
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}
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src_row += src_rgn.rowstride;
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}
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/* Update progress */
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progress += src_rgn.w * src_rgn.h;
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gimp_progress_update ((double) progress / (double) max_progress);
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}
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for (pr = gimp_pixel_rgns_register (1, &src_rgn);
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pr != NULL;
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pr = gimp_pixel_rgns_process(pr))
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{
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src_row = src_rgn.data;
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for (row = 0; row < src_rgn.h; row++)
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{
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src = src_row;
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for (col = 0; col < src_rgn.w; col++)
|
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{
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for (b = 0; b < bpp; b++)
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average[b] += src[b];
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src += src_rgn.bpp;
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count += 1;
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}
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src_row += src_rgn.rowstride;
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}
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/* Update progress */
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progress += src_rgn.w * src_rgn.h;
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gimp_progress_update ((double) progress / (double) max_progress);
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}
|
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if (count > 0)
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for (b = 0; b < bpp; b++)
|
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average[b] = (guchar) (average[b] / count);
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if (count > 0)
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for (b = 0; b < bpp; b++)
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average[b] = (guchar) (average[b] / count);
|
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|
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if (bpp < 3)
|
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inten = average[0] / 254.0 * height;
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else
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inten = GIMP_RGB_INTENSITY (average[0],
|
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if (bpp < 3)
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inten = average[0] / 254.0 * height;
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else
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inten = GIMP_RGB_INTENSITY (average[0],
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average[1],
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average[2]) / 254.0 * height;
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gimp_pixel_rgn_init (&dest_rgn,
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drawable, x, y, 1, y_step, TRUE, TRUE);
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for (pr = gimp_pixel_rgns_register (1, &dest_rgn);
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pr != NULL;
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pr = gimp_pixel_rgns_process(pr))
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{
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dest_row = dest_rgn.data;
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for (row = 0; row < dest_rgn.h; row++)
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{
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dest = dest_row;
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v = inten > row ? 255 : 0;
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if (limit)
|
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{
|
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if (row == 0)
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v = 255;
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else if (row == height-1)
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v = 0;
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}
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for (b = 0; b < bpp; b++)
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dest[b] = v;
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dest_row += dest_rgn.rowstride;
|
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}
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/* Update progress */
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progress += dest_rgn.w * dest_rgn.h;
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gimp_progress_update((double) progress / (double) max_progress);
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}
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}
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gimp_pixel_rgn_init (&dest_rgn,
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drawable, x, y, 1, y_step, TRUE, TRUE);
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for (pr = gimp_pixel_rgns_register (1, &dest_rgn);
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pr != NULL;
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pr = gimp_pixel_rgns_process(pr))
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{
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dest_row = dest_rgn.data;
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for (row = 0; row < dest_rgn.h; row++)
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{
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dest = dest_row;
|
||||
v = inten > row ? 255 : 0;
|
||||
if (limit)
|
||||
{
|
||||
if (row == 0)
|
||||
v = 255;
|
||||
else if (row == height-1)
|
||||
v = 0;
|
||||
}
|
||||
for (b = 0; b < bpp; b++)
|
||||
dest[b] = v;
|
||||
dest_row += dest_rgn.rowstride;
|
||||
}
|
||||
/* Update progress */
|
||||
progress += dest_rgn.w * dest_rgn.h;
|
||||
gimp_progress_update((double) progress / (double) max_progress);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
g_free(average);
|
||||
|
|
@ -369,6 +400,7 @@ engrave_large (GimpDrawable *drawable,
|
|||
gimp_drawable_merge_shadow(drawable->drawable_id, TRUE);
|
||||
gimp_drawable_update(drawable->drawable_id, x1, y1, x2 - x1, y2 - y1);
|
||||
}
|
||||
#endif
|
||||
|
||||
typedef struct
|
||||
{
|
||||
|
|
@ -380,38 +412,54 @@ typedef struct
|
|||
PixelArea area;
|
||||
|
||||
static void
|
||||
engrave_small (GimpDrawable *drawable,
|
||||
gint height,
|
||||
gint limit,
|
||||
gint tile_width)
|
||||
engrave_small (GimpDrawable *drawable,
|
||||
gint line_height,
|
||||
gboolean limit,
|
||||
gint tile_width,
|
||||
GimpDrawablePreview *preview)
|
||||
{
|
||||
GimpPixelRgn src_rgn, dest_rgn;
|
||||
gint bpp, color_n;
|
||||
gint x1, y1, x2, y2;
|
||||
gint progress, max_progress;
|
||||
gint bpp, color_n;
|
||||
gint x1, y1, x2, y2;
|
||||
gint width, height;
|
||||
gint progress, max_progress;
|
||||
|
||||
/*
|
||||
For speed efficiency, operates on PixelAreas, whose each width and
|
||||
height are less than tile size.
|
||||
|
||||
If both ends of area cannot be divided by height ( as
|
||||
x1%height != 0 etc.), operates on the remainder pixels.
|
||||
If both ends of area cannot be divided by line_height ( as
|
||||
x1%line_height != 0 etc.), operates on the remainder pixels.
|
||||
*/
|
||||
|
||||
gimp_drawable_mask_bounds (drawable->drawable_id, &x1, &y1, &x2, &y2);
|
||||
if (preview)
|
||||
{
|
||||
gimp_preview_get_position (GIMP_PREVIEW (preview), &x1, &y1);
|
||||
gimp_preview_get_size (GIMP_PREVIEW (preview), &width, &height);
|
||||
|
||||
x2 = x1 + width;
|
||||
y2 = y1 + height;
|
||||
}
|
||||
else
|
||||
{
|
||||
gimp_drawable_mask_bounds (drawable->drawable_id, &x1, &y1, &x2, &y2);
|
||||
|
||||
width = x2 - x1;
|
||||
height = y2 - y1;
|
||||
}
|
||||
gimp_pixel_rgn_init (&src_rgn, drawable,
|
||||
x1, y1, x2 - x1, y2 - y1, FALSE, FALSE);
|
||||
x1, y1, width, height, FALSE, FALSE);
|
||||
gimp_pixel_rgn_init (&dest_rgn, drawable,
|
||||
x1, y1, x2 - x1, y2 - y1, TRUE, TRUE);
|
||||
x1, y1, width, height, (preview == NULL), TRUE);
|
||||
|
||||
/* Initialize progress */
|
||||
progress = 0;
|
||||
max_progress = (x2 - x1) * (y2 - y1);
|
||||
max_progress = width * height;
|
||||
|
||||
bpp = drawable->bpp;
|
||||
color_n = (gimp_drawable_is_rgb (drawable->drawable_id)) ? 3 : 1;
|
||||
|
||||
area.width = (tile_width / height) * height;
|
||||
area.width = (tile_width / line_height) * line_height;
|
||||
area.data = g_new(guchar, (glong) bpp * area.width * area.width);
|
||||
|
||||
for (area.y = y1; area.y < y2;
|
||||
|
|
@ -420,36 +468,45 @@ engrave_small (GimpDrawable *drawable,
|
|||
area.h = area.width - (area.y % area.width);
|
||||
area.h = MIN(area.h, y2 - area.y);
|
||||
for (area.x = x1; area.x < x2; ++area.x)
|
||||
{
|
||||
gimp_pixel_rgn_get_rect (&src_rgn, area.data, area.x, area.y, 1,
|
||||
area.h);
|
||||
{
|
||||
gimp_pixel_rgn_get_rect (&src_rgn, area.data, area.x, area.y, 1,
|
||||
area.h);
|
||||
|
||||
engrave_sub (height, limit, bpp, color_n);
|
||||
engrave_sub (line_height, limit, bpp, color_n);
|
||||
|
||||
gimp_pixel_rgn_set_rect (&dest_rgn, area.data, area.x, area.y, 1,
|
||||
area.h);
|
||||
|
||||
/* Update progress */
|
||||
progress += area.h;
|
||||
gimp_progress_update ((double) progress / (double) max_progress);
|
||||
}
|
||||
gimp_pixel_rgn_set_rect (&dest_rgn, area.data,
|
||||
area.x, area.y, 1, area.h);
|
||||
}
|
||||
if (!preview)
|
||||
{
|
||||
/* Update progress */
|
||||
progress += area.h * width;
|
||||
gimp_progress_update ((double) progress / (double) max_progress);
|
||||
}
|
||||
}
|
||||
|
||||
g_free(area.data);
|
||||
|
||||
/* update the engraved region */
|
||||
gimp_drawable_flush (drawable);
|
||||
gimp_drawable_merge_shadow (drawable->drawable_id, TRUE);
|
||||
gimp_drawable_update (drawable->drawable_id, x1, y1, x2 - x1, y2 - y1);
|
||||
if (preview)
|
||||
{
|
||||
gimp_drawable_preview_draw_region (preview, &dest_rgn);
|
||||
}
|
||||
else
|
||||
{
|
||||
gimp_drawable_flush (drawable);
|
||||
gimp_drawable_merge_shadow (drawable->drawable_id, TRUE);
|
||||
gimp_drawable_update (drawable->drawable_id, x1, y1, x2 - x1, y2 - y1);
|
||||
}
|
||||
}
|
||||
|
||||
static void
|
||||
engrave_sub (gint height,
|
||||
gint limit,
|
||||
gint bpp,
|
||||
gint color_n)
|
||||
gint limit,
|
||||
gint bpp,
|
||||
gint color_n)
|
||||
{
|
||||
glong average[3]; /* color_n <= 3 */
|
||||
glong average[3]; /* color_n <= 3 */
|
||||
gint y, h, inten, v;
|
||||
guchar *buf_row, *buf;
|
||||
gint row;
|
||||
|
|
@ -470,30 +527,30 @@ engrave_sub (gint height,
|
|||
h = MIN(h, area.y + area.h - y);
|
||||
|
||||
for (i = 0; i < color_n; i++)
|
||||
average[i] = 0;
|
||||
average[i] = 0;
|
||||
count = 0;
|
||||
|
||||
/* Read */
|
||||
buf_row = area.data + (y - area.y) * rowstride;
|
||||
|
||||
for (row = 0; row < h; row++)
|
||||
{
|
||||
buf = buf_row;
|
||||
for (i = 0; i < color_n; i++)
|
||||
average[i] += buf[i];
|
||||
count++;
|
||||
buf_row += rowstride;
|
||||
}
|
||||
{
|
||||
buf = buf_row;
|
||||
for (i = 0; i < color_n; i++)
|
||||
average[i] += buf[i];
|
||||
count++;
|
||||
buf_row += rowstride;
|
||||
}
|
||||
|
||||
/* Average */
|
||||
if (count > 0)
|
||||
for (i = 0; i < color_n; i++)
|
||||
average[i] /= count;
|
||||
for (i = 0; i < color_n; i++)
|
||||
average[i] /= count;
|
||||
|
||||
if (bpp < 3)
|
||||
inten = average[0] / 254.0 * height;
|
||||
inten = average[0] / 254.0 * height;
|
||||
else
|
||||
inten = GIMP_RGB_INTENSITY (average[0],
|
||||
inten = GIMP_RGB_INTENSITY (average[0],
|
||||
average[1],
|
||||
average[2]) / 254.0 * height;
|
||||
|
||||
|
|
@ -501,19 +558,19 @@ engrave_sub (gint height,
|
|||
buf_row = area.data + (y - area.y) * rowstride;
|
||||
|
||||
for (row = 0; row < h; row++)
|
||||
{
|
||||
buf = buf_row;
|
||||
v = inten > row ? 255 : 0;
|
||||
if (limit)
|
||||
{
|
||||
if (row == 0)
|
||||
v = 255;
|
||||
else if (row == height-1)
|
||||
v = 0;
|
||||
}
|
||||
for (i = 0; i < color_n; i++)
|
||||
buf[i] = v;
|
||||
buf_row += rowstride;
|
||||
}
|
||||
{
|
||||
buf = buf_row;
|
||||
v = inten > row ? 255 : 0;
|
||||
if (limit)
|
||||
{
|
||||
if (row == 0)
|
||||
v = 255;
|
||||
else if (row == height-1)
|
||||
v = 0;
|
||||
}
|
||||
for (i = 0; i < color_n; i++)
|
||||
buf[i] = v;
|
||||
buf_row += rowstride;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in New Issue