mirror of https://github.com/GNOME/gimp.git
387 lines
14 KiB
C
387 lines
14 KiB
C
/* LIBGIMP - The GIMP Library
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* Copyright (C) 1995-1997 Peter Mattis and Spencer Kimball
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*
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* gimpbrushselect.c
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*
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* This library is free software: you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 3 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see
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* <https://www.gnu.org/licenses/>.
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*/
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#include "config.h"
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#include "gimp.h"
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typedef struct
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{
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gchar *brush_callback;
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guint idle_id;
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gchar *brush_name;
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gdouble opacity;
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gint spacing;
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gint paint_mode;
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gint width;
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gint height;
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guchar *brush_mask_data;
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GimpRunBrushCallback callback;
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gboolean closing;
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gpointer data;
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GDestroyNotify data_destroy;
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} GimpBrushData;
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/* local function prototypes */
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static void gimp_brush_data_free (GimpBrushData *data);
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static void gimp_temp_brush_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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static GimpValueArray *
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gimp_temp_brush_run_func (GimpProcedure *procedure,
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const GimpValueArray *args,
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gpointer run_data);
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static gboolean gimp_temp_brush_run_idle (GimpBrushData *brush_data);
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/* private variables */
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static GHashTable *gimp_brush_select_ht = NULL;
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/* public functions */
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const gchar *
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gimp_brush_select_new (const gchar *title,
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const gchar *brush_name,
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gdouble opacity,
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gint spacing,
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GimpLayerMode paint_mode,
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GimpRunBrushCallback callback,
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gpointer data,
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GDestroyNotify data_destroy)
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{
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GimpPlugIn *plug_in = gimp_get_plug_in ();
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gchar *brush_callback;
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GimpBrushData *brush_data;
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if (plug_in)
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brush_callback = gimp_pdb_temp_procedure_name (gimp_get_pdb ());
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else
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brush_callback = gimp_pdb_temp_name ();
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brush_data = g_slice_new0 (GimpBrushData);
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brush_data->brush_callback = brush_callback;
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brush_data->callback = callback;
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brush_data->data = data;
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brush_data->data_destroy = data_destroy;
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if (plug_in)
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{
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GimpProcedure *procedure = gimp_procedure_new (plug_in,
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brush_callback,
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GIMP_TEMPORARY,
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gimp_temp_brush_run_func,
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brush_data,
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(GDestroyNotify)
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gimp_brush_data_free);
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gimp_procedure_add_argument (procedure,
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g_param_spec_string ("brush-name",
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"Brush name",
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"The brush name",
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NULL,
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G_PARAM_READWRITE));
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gimp_procedure_add_argument (procedure,
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g_param_spec_double ("opacity",
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"Opacity",
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NULL,
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0.0, 1.0, 1.0,
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G_PARAM_READWRITE));
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gimp_procedure_add_argument (procedure,
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g_param_spec_int ("spacing",
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"Spacing",
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NULL,
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-1, 1000, 20,
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G_PARAM_READWRITE));
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gimp_procedure_add_argument (procedure,
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g_param_spec_enum ("paint-mode",
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"Paint mode",
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NULL,
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GIMP_TYPE_LAYER_MODE,
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GIMP_LAYER_MODE_NORMAL,
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G_PARAM_READWRITE));
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gimp_procedure_add_argument (procedure,
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g_param_spec_int ("mask-width",
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"Brush width",
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NULL,
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0, 10000, 0,
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G_PARAM_READWRITE));
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gimp_procedure_add_argument (procedure,
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g_param_spec_int ("mask-height",
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"Brush height",
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NULL,
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0, 10000, 0,
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G_PARAM_READWRITE));
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gimp_procedure_add_argument (procedure,
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gimp_param_spec_int32 ("mask-len",
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"Mask length",
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"Length of brush "
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"mask data",
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0, G_MAXINT, 0,
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G_PARAM_READWRITE));
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gimp_procedure_add_argument (procedure,
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gimp_param_spec_int8_array ("mask-data",
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"Mask data",
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"The brush mask "
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"data",
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G_PARAM_READWRITE));
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gimp_procedure_add_argument (procedure,
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g_param_spec_boolean ("closing",
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"Closing",
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"If the dialog was "
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"cloaing",
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FALSE,
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G_PARAM_READWRITE));
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gimp_plug_in_add_temp_procedure (plug_in, procedure);
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g_object_unref (procedure);
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}
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else
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{
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static const GimpParamDef args[] =
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{
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{ GIMP_PDB_STRING, "str", "String" },
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{ GIMP_PDB_FLOAT, "opacity", "Opacity" },
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{ GIMP_PDB_INT32, "spacing", "Spacing" },
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{ GIMP_PDB_INT32, "paint mode", "Paint mode" },
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{ GIMP_PDB_INT32, "mask width", "Brush width" },
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{ GIMP_PDB_INT32, "mask height" "Brush height" },
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{ GIMP_PDB_INT32, "mask len", "Length of brush mask data" },
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{ GIMP_PDB_INT8ARRAY, "mask data", "The brush mask data" },
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{ GIMP_PDB_INT32, "dialog status", "If the dialog was closing "
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"[0 = No, 1 = Yes]" }
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};
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gimp_install_temp_proc (brush_callback,
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"Temporary brush popup callback procedure",
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"",
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"",
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"",
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"",
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NULL,
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"",
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GIMP_TEMPORARY,
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G_N_ELEMENTS (args), 0,
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args, NULL,
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gimp_temp_brush_run);
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}
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if (gimp_brushes_popup (brush_callback, title, brush_name,
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opacity, spacing, paint_mode))
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{
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/* Allow callbacks to be watched */
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if (plug_in)
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{
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gimp_plug_in_extension_enable (plug_in);
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}
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else
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{
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gimp_extension_enable ();
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/* Now add to hash table so we can find it again */
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if (! gimp_brush_select_ht)
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{
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gimp_brush_select_ht =
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g_hash_table_new_full (g_str_hash, g_str_equal,
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g_free,
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(GDestroyNotify) gimp_brush_data_free);
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}
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g_hash_table_insert (gimp_brush_select_ht,
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g_strdup (brush_callback),
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brush_data);
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}
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return brush_callback;
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}
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if (plug_in)
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{
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gimp_plug_in_remove_temp_procedure (plug_in, brush_callback);
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}
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else
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{
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gimp_uninstall_temp_proc (brush_callback);
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gimp_brush_data_free (brush_data);
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}
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return NULL;
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}
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void
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gimp_brush_select_destroy (const gchar *brush_callback)
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{
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GimpPlugIn *plug_in = gimp_get_plug_in ();
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g_return_if_fail (brush_callback != NULL);
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if (plug_in)
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{
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gimp_plug_in_remove_temp_procedure (plug_in, brush_callback);
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}
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else
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{
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GimpBrushData *brush_data;
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g_return_if_fail (gimp_brush_select_ht != NULL);
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brush_data = g_hash_table_lookup (gimp_brush_select_ht, brush_callback);
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if (! brush_data)
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{
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g_warning ("Can't find internal brush data");
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return;
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}
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g_hash_table_remove (gimp_brush_select_ht, brush_callback);
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gimp_uninstall_temp_proc (brush_callback);
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}
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}
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/* private functions */
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static void
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gimp_brush_data_free (GimpBrushData *data)
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{
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if (data->idle_id)
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g_source_remove (data->idle_id);
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if (data->brush_callback)
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{
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gimp_brushes_close_popup (data->brush_callback);
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g_free (data->brush_callback);
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}
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g_free (data->brush_name);
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g_free (data->brush_mask_data);
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if (data->data_destroy)
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data->data_destroy (data->data);
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g_slice_free (GimpBrushData, data);
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}
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static void
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gimp_temp_brush_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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{
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static GimpParam values[1];
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GimpBrushData *brush_data;
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brush_data = g_hash_table_lookup (gimp_brush_select_ht, name);
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if (! brush_data)
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{
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g_warning ("Can't find internal brush data");
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}
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else
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{
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g_free (brush_data->brush_name);
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g_free (brush_data->brush_mask_data);
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brush_data->brush_name = g_strdup (param[0].data.d_string);
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brush_data->opacity = param[1].data.d_float;
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brush_data->spacing = param[2].data.d_int32;
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brush_data->paint_mode = param[3].data.d_int32;
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brush_data->width = param[4].data.d_int32;
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brush_data->height = param[5].data.d_int32;
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brush_data->brush_mask_data = g_memdup (param[7].data.d_int8array,
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param[6].data.d_int32);
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brush_data->closing = param[8].data.d_int32;
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if (! brush_data->idle_id)
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brush_data->idle_id = g_idle_add ((GSourceFunc) gimp_temp_brush_run_idle,
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brush_data);
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}
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*nreturn_vals = 1;
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*return_vals = values;
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values[0].type = GIMP_PDB_STATUS;
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values[0].data.d_status = GIMP_PDB_SUCCESS;
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}
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static GimpValueArray *
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gimp_temp_brush_run_func (GimpProcedure *procedure,
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const GimpValueArray *args,
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gpointer run_data)
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{
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GimpBrushData *data = run_data;
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g_free (data->brush_name);
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g_free (data->brush_mask_data);
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data->brush_name = g_value_dup_string (gimp_value_array_index (args, 0));
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data->opacity = g_value_get_double (gimp_value_array_index (args, 1));
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data->spacing = g_value_get_int (gimp_value_array_index (args, 2));
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data->paint_mode = g_value_get_enum (gimp_value_array_index (args, 3));
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data->width = g_value_get_int (gimp_value_array_index (args, 4));
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data->height = g_value_get_int (gimp_value_array_index (args, 5));
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data->brush_mask_data = gimp_value_dup_int8_array (gimp_value_array_index (args, 7));
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data->closing = g_value_get_boolean (gimp_value_array_index (args, 8));
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if (! data->idle_id)
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data->idle_id = g_idle_add ((GSourceFunc) gimp_temp_brush_run_idle,
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data);
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return gimp_procedure_new_return_values (procedure, GIMP_PDB_SUCCESS, NULL);
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}
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static gboolean
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gimp_temp_brush_run_idle (GimpBrushData *brush_data)
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{
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brush_data->idle_id = 0;
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if (brush_data->callback)
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brush_data->callback (brush_data->brush_name,
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brush_data->opacity,
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brush_data->spacing,
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brush_data->paint_mode,
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brush_data->width,
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brush_data->height,
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brush_data->brush_mask_data,
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brush_data->closing,
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brush_data->data);
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if (brush_data->closing)
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{
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gchar *brush_callback = brush_data->brush_callback;
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brush_data->brush_callback = NULL;
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gimp_brush_select_destroy (brush_callback);
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g_free (brush_callback);
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}
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return G_SOURCE_REMOVE;
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}
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