home *** CD-ROM | disk | FTP | other *** search
- /* The GIMP -- an image manipulation program
- * Copyright (C) 1995 Spencer Kimball and Peter Mattis
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 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, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- */
-
- #include "config.h"
-
- #include <glib.h>
-
- #include "apptypes.h"
-
- #include "appenv.h"
- #include "drawable.h"
- #include "gdisplay.h"
- #include "gimpbrushlist.h"
- #include "gimpui.h"
- #include "gradient.h"
- #include "paint_funcs.h"
- #include "paint_core.h"
- #include "paint_options.h"
- #include "paintbrush.h"
- #include "selection.h"
- #include "tools.h"
-
- #include "libgimp/gimpmath.h"
- #include "libgimp/gimpunitmenu.h"
-
- #include "libgimp/gimpintl.h"
-
-
- /* defines */
- #define PAINT_LEFT_THRESHOLD 0.05
-
- /* defaults for the tool options */
- #define PAINTBRUSH_DEFAULT_INCREMENTAL FALSE
- #define PAINTBRUSH_DEFAULT_USE_FADE FALSE
- #define PAINTBRUSH_DEFAULT_FADE_OUT 100.0
- #define PAINTBRUSH_DEFAULT_FADE_UNIT GIMP_UNIT_PIXEL
- #define PAINTBRUSH_DEFAULT_USE_GRADIENT FALSE
- #define PAINTBRUSH_DEFAULT_GRADIENT_LENGTH 100.0
- #define PAINTBRUSH_DEFAULT_GRADIENT_UNIT GIMP_UNIT_PIXEL
- #define PAINTBRUSH_DEFAULT_GRADIENT_TYPE LOOP_TRIANGLE
-
- /* the paintbrush structures */
-
- typedef struct _PaintbrushOptions PaintbrushOptions;
- struct _PaintbrushOptions
- {
- PaintOptions paint_options;
-
- gboolean use_fade;
- gboolean use_fade_d;
- GtkWidget *use_fade_w;
-
- gdouble fade_out;
- gdouble fade_out_d;
- GtkObject *fade_out_w;
-
- GimpUnit fade_unit;
- GimpUnit fade_unit_d;
- GtkWidget *fade_unit_w;
-
- gboolean use_gradient;
- gboolean use_gradient_d;
- GtkWidget *use_gradient_w;
-
- gdouble gradient_length;
- gdouble gradient_length_d;
- GtkObject *gradient_length_w;
-
- GimpUnit gradient_unit;
- GimpUnit gradient_unit_d;
- GtkWidget *gradient_unit_w;
-
- gint gradient_type;
- gint gradient_type_d;
- GtkWidget *gradient_type_w;
- };
-
- /* the paint brush tool options */
- static PaintbrushOptions * paintbrush_options = NULL;
-
- /* local variables */
- static gdouble non_gui_fade_out;
- static gdouble non_gui_gradient_length;
- static gint non_gui_gradient_type;
- static gdouble non_gui_incremental;
- static GimpUnit non_gui_fade_unit;
- static GimpUnit non_gui_gradient_unit;
-
-
- /* forward function declarations */
- static void paintbrush_motion (PaintCore *, GimpDrawable *,
- PaintPressureOptions *,
- double, double, PaintApplicationMode,
- GradientPaintMode);
-
- /* functions */
-
- static void
- paintbrush_gradient_toggle_callback (GtkWidget *widget,
- gpointer data)
- {
- PaintbrushOptions *options = paintbrush_options;
-
- static int incremental_save = FALSE;
-
- gimp_toggle_button_update (widget, data);
-
- if (paintbrush_options->use_gradient)
- {
- incremental_save = options->paint_options.incremental;
- gtk_toggle_button_set_active
- (GTK_TOGGLE_BUTTON (options->paint_options.incremental_w), TRUE);
- }
- else
- {
- gtk_toggle_button_set_active
- (GTK_TOGGLE_BUTTON (options->paint_options.incremental_w),
- incremental_save);
- }
- }
-
- static void
- paintbrush_options_reset (void)
- {
- PaintbrushOptions *options = paintbrush_options;
- GtkWidget *spinbutton;
- gint digits;
-
- paint_options_reset ((PaintOptions *) options);
-
- gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (options->use_fade_w),
- options->use_fade_d);
- gtk_adjustment_set_value (GTK_ADJUSTMENT (options->fade_out_w),
- options->fade_out_d);
- gimp_unit_menu_set_unit (GIMP_UNIT_MENU (options->fade_unit_w),
- options->fade_unit_d);
- digits = ((options->fade_unit_d == GIMP_UNIT_PIXEL) ? 0 :
- ((options->fade_unit_d == GIMP_UNIT_PERCENT) ? 2 :
- (MIN (6, MAX (3, gimp_unit_get_digits (options->fade_unit_d))))));
- spinbutton = gtk_object_get_data (GTK_OBJECT (options->fade_unit_w), "set_digits");
- gtk_spin_button_set_digits (GTK_SPIN_BUTTON (spinbutton), digits);
-
- gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (options->use_gradient_w),
- options->use_gradient_d);
- gtk_adjustment_set_value (GTK_ADJUSTMENT (options->gradient_length_w),
- options->gradient_length_d);
- gimp_unit_menu_set_unit (GIMP_UNIT_MENU (options->gradient_unit_w),
- options->gradient_unit_d);
- digits = ((options->gradient_unit_d == GIMP_UNIT_PIXEL) ? 0 :
- ((options->gradient_unit_d == GIMP_UNIT_PERCENT) ? 2 :
- (MIN (6, MAX (3, gimp_unit_get_digits (options->gradient_unit_d))))));
- spinbutton = gtk_object_get_data (GTK_OBJECT (options->gradient_unit_w), "set_digits");
- gtk_spin_button_set_digits (GTK_SPIN_BUTTON (spinbutton), digits);
-
- options->gradient_type = options->gradient_type_d;
-
- gtk_option_menu_set_history (GTK_OPTION_MENU (options->gradient_type_w),
- options->gradient_type_d);
- }
-
- static PaintbrushOptions *
- paintbrush_options_new (void)
- {
- PaintbrushOptions *options;
-
- GtkWidget *vbox;
- GtkWidget *abox;
- GtkWidget *table;
- GtkWidget *type_label;
- GtkWidget *spinbutton;
-
- /* the new paint tool options structure */
- options = g_new (PaintbrushOptions, 1);
- paint_options_init ((PaintOptions *) options,
- PAINTBRUSH,
- paintbrush_options_reset);
-
- options->use_fade =
- options->use_fade_d = PAINTBRUSH_DEFAULT_USE_FADE;
- options->fade_out =
- options->fade_out_d = PAINTBRUSH_DEFAULT_FADE_OUT;
- options->fade_unit =
- options->fade_unit_d = PAINTBRUSH_DEFAULT_FADE_UNIT;
- options->use_gradient =
- options->use_gradient_d = PAINTBRUSH_DEFAULT_USE_GRADIENT;
- options->gradient_length =
- options->gradient_length_d = PAINTBRUSH_DEFAULT_GRADIENT_LENGTH;
- options->gradient_unit =
- options->gradient_unit_d = PAINTBRUSH_DEFAULT_GRADIENT_UNIT;
- options->gradient_type =
- options->gradient_type_d = PAINTBRUSH_DEFAULT_GRADIENT_TYPE;
-
- /* the main vbox */
- vbox = ((ToolOptions *) options)->main_vbox;
-
- table = gtk_table_new (3, 3, FALSE);
- gtk_table_set_col_spacing (GTK_TABLE (table), 0, 4);
- gtk_table_set_row_spacing (GTK_TABLE (table), 0, 2);
- gtk_table_set_row_spacing (GTK_TABLE (table), 1, 3);
- gtk_box_pack_start (GTK_BOX (vbox), table, FALSE, FALSE, 0);
-
- /* the use fade toggle */
- abox = gtk_alignment_new (0.5, 1.0, 1.0, 0.0);
- gtk_table_attach (GTK_TABLE (table), abox, 0, 1, 0, 1,
- GTK_SHRINK | GTK_FILL, GTK_SHRINK | GTK_FILL, 0, 0);
- gtk_widget_show (abox);
-
- options->use_fade_w =
- gtk_check_button_new_with_label (_("Fade Out"));
- gtk_container_add (GTK_CONTAINER (abox), options->use_fade_w);
- gtk_signal_connect (GTK_OBJECT (options->use_fade_w), "toggled",
- GTK_SIGNAL_FUNC (gimp_toggle_button_update),
- &options->use_fade);
- gtk_widget_show (options->use_fade_w);
-
- /* the fade-out sizeentry */
- options->fade_out_w =
- gtk_adjustment_new (options->fade_out_d, 1e-5, 32767.0, 1.0, 50.0, 0.0);
- spinbutton = gtk_spin_button_new (GTK_ADJUSTMENT (options->fade_out_w), 1.0, 0.0);
- gtk_spin_button_set_shadow_type (GTK_SPIN_BUTTON (spinbutton), GTK_SHADOW_NONE);
- gtk_spin_button_set_numeric (GTK_SPIN_BUTTON (spinbutton), TRUE);
- gtk_widget_set_usize (spinbutton, 75, 0);
- gtk_signal_connect (GTK_OBJECT (options->fade_out_w), "value_changed",
- GTK_SIGNAL_FUNC (gimp_double_adjustment_update),
- &options->fade_out);
- gtk_table_attach_defaults (GTK_TABLE (table), spinbutton, 1, 2, 0, 1);
- gtk_widget_show (spinbutton);
-
- /* the fade-out unitmenu */
- options->fade_unit_w =
- gimp_unit_menu_new ("%a", options->fade_unit_d, TRUE, TRUE, TRUE);
- gtk_signal_connect (GTK_OBJECT (options->fade_unit_w), "unit_changed",
- GTK_SIGNAL_FUNC (gimp_unit_menu_update),
- &options->fade_unit);
- gtk_object_set_data (GTK_OBJECT (options->fade_unit_w), "set_digits", spinbutton);
- gtk_table_attach (GTK_TABLE (table), options->fade_unit_w, 2, 3, 0, 1,
- GTK_SHRINK | GTK_FILL, GTK_SHRINK | GTK_FILL, 0, 0);
- gtk_widget_show (options->fade_unit_w);
-
- /* automatically set the sensitive state of the fadeout stuff */
- gtk_widget_set_sensitive (spinbutton, options->use_fade_d);
- gtk_widget_set_sensitive (options->fade_unit_w, options->use_fade_d);
- gtk_object_set_data (GTK_OBJECT (options->use_fade_w),
- "set_sensitive", spinbutton);
- gtk_object_set_data (GTK_OBJECT (spinbutton),
- "set_sensitive", options->fade_unit_w);
-
- /* the use gradient toggle */
- abox = gtk_alignment_new (0.5, 1.0, 1.0, 0.0);
- gtk_table_attach (GTK_TABLE (table), abox, 0, 1, 1, 2,
- GTK_SHRINK | GTK_FILL, GTK_SHRINK | GTK_FILL, 0, 0);
- gtk_widget_show (abox);
-
- options->use_gradient_w =
- gtk_check_button_new_with_label (_("Gradient"));
- gtk_container_add (GTK_CONTAINER (abox), options->use_gradient_w);
- gtk_signal_connect (GTK_OBJECT (options->use_gradient_w), "toggled",
- GTK_SIGNAL_FUNC (paintbrush_gradient_toggle_callback),
- &options->use_gradient);
- gtk_widget_show (options->use_gradient_w);
-
- /* the gradient length scale */
- options->gradient_length_w =
- gtk_adjustment_new (options->gradient_length_d, 1e-5, 32767.0, 1.0, 50.0, 0.0);
- spinbutton = gtk_spin_button_new (GTK_ADJUSTMENT (options->gradient_length_w), 1.0, 0.0);
- gtk_spin_button_set_shadow_type (GTK_SPIN_BUTTON (spinbutton), GTK_SHADOW_NONE);
- gtk_spin_button_set_numeric (GTK_SPIN_BUTTON (spinbutton), TRUE);
- gtk_widget_set_usize (spinbutton, 75, 0);
- gtk_signal_connect (GTK_OBJECT (options->gradient_length_w), "value_changed",
- GTK_SIGNAL_FUNC (gimp_double_adjustment_update),
- &options->gradient_length);
- gtk_table_attach_defaults (GTK_TABLE (table), spinbutton, 1, 2, 1, 2);
- gtk_widget_show (spinbutton);
-
- /* the gradient unitmenu */
- options->gradient_unit_w =
- gimp_unit_menu_new ("%a", options->gradient_unit_d, TRUE, TRUE, TRUE);
- gtk_signal_connect (GTK_OBJECT (options->gradient_unit_w), "unit_changed",
- GTK_SIGNAL_FUNC (gimp_unit_menu_update),
- &options->gradient_unit);
- gtk_object_set_data (GTK_OBJECT (options->gradient_unit_w), "set_digits",
- spinbutton);
- gtk_table_attach (GTK_TABLE (table), options->gradient_unit_w, 2, 3, 1, 2,
- GTK_SHRINK | GTK_FILL, GTK_SHRINK | GTK_FILL, 0, 0);
- gtk_widget_show (options->gradient_unit_w);
-
- /* the gradient type */
- type_label = gtk_label_new (_("Type:"));
- gtk_misc_set_alignment (GTK_MISC (type_label), 1.0, 0.5);
- gtk_table_attach (GTK_TABLE (table), type_label, 0, 1, 2, 3,
- GTK_SHRINK | GTK_FILL, GTK_SHRINK | GTK_FILL, 0, 0);
- gtk_widget_show (type_label);
-
- abox = gtk_alignment_new (0.0, 0.5, 0.0, 0.0);
- gtk_table_attach_defaults (GTK_TABLE (table), abox, 1, 3, 2, 3);
- gtk_widget_show (abox);
-
- options->gradient_type_w = gimp_option_menu_new2
- (FALSE, gimp_menu_item_update,
- &options->gradient_type, (gpointer) options->gradient_type_d,
-
- _("Once Forward"), (gpointer) ONCE_FORWARD, NULL,
- _("Once Backward"), (gpointer) ONCE_BACKWARDS, NULL,
- _("Loop Sawtooth"), (gpointer) LOOP_SAWTOOTH, NULL,
- _("Loop Triangle"), (gpointer) LOOP_TRIANGLE, NULL,
-
- NULL);
- gtk_container_add (GTK_CONTAINER (abox), options->gradient_type_w);
- gtk_widget_show (options->gradient_type_w);
-
- gtk_widget_show (table);
-
- /* automatically set the sensitive state of the gradient stuff */
- gtk_widget_set_sensitive (spinbutton, options->use_gradient_d);
- gtk_widget_set_sensitive (spinbutton, options->use_gradient_d);
- gtk_widget_set_sensitive (options->gradient_unit_w, options->use_gradient_d);
- gtk_widget_set_sensitive (options->gradient_type_w, options->use_gradient_d);
- gtk_widget_set_sensitive (type_label, options->use_gradient_d);
- gtk_widget_set_sensitive (options->paint_options.incremental_w,
- ! options->use_gradient_d);
- gtk_object_set_data (GTK_OBJECT (options->use_gradient_w), "set_sensitive",
- spinbutton);
- gtk_object_set_data (GTK_OBJECT (spinbutton), "set_sensitive",
- options->gradient_unit_w);
- gtk_object_set_data (GTK_OBJECT (options->gradient_unit_w), "set_sensitive",
- options->gradient_type_w);
- gtk_object_set_data (GTK_OBJECT (options->gradient_type_w), "set_sensitive",
- type_label);
- gtk_object_set_data (GTK_OBJECT (options->use_gradient_w), "inverse_sensitive",
- options->paint_options.incremental_w);
-
- return options;
- }
-
- #define TIMED_BRUSH 0
-
- void *
- paintbrush_paint_func (PaintCore *paint_core,
- GimpDrawable *drawable,
- int state)
- {
- GDisplay *gdisp = gdisplay_active ();
- double fade_out;
- double gradient_length;
- double unit_factor;
-
- g_return_val_if_fail (gdisp != NULL, NULL);
-
- #if TIMED_BRUSH
- static GTimer *timer = NULL;
- #endif
- switch (state)
- {
- case INIT_PAINT :
- #if TIMED_BRUSH
- timer = g_timer_new();
- g_timer_start(timer);
- #endif /* TIMED_BRUSH */
- break;
-
- case MOTION_PAINT :
- switch (paintbrush_options->fade_unit)
- {
- case GIMP_UNIT_PIXEL:
- fade_out = paintbrush_options->fade_out;
- break;
- case GIMP_UNIT_PERCENT:
- fade_out = MAX (gdisp->gimage->width, gdisp->gimage->height) *
- paintbrush_options->fade_out / 100;
- break;
- default:
- unit_factor = gimp_unit_get_factor (paintbrush_options->fade_unit);
- fade_out = paintbrush_options->fade_out *
- MAX (gdisp->gimage->xresolution, gdisp->gimage->yresolution) / unit_factor;
- break;
- }
-
- switch (paintbrush_options->gradient_unit)
- {
- case GIMP_UNIT_PIXEL:
- gradient_length = paintbrush_options->gradient_length;
- break;
- case GIMP_UNIT_PERCENT:
- gradient_length = MAX (gdisp->gimage->width, gdisp->gimage->height) *
- paintbrush_options->gradient_length / 100;
- break;
- default:
- unit_factor = gimp_unit_get_factor (paintbrush_options->gradient_unit);
- gradient_length = paintbrush_options->gradient_length *
- MAX (gdisp->gimage->xresolution, gdisp->gimage->yresolution) / unit_factor;
- break;
- }
-
- paintbrush_motion (paint_core, drawable,
- paintbrush_options->paint_options.pressure_options,
- paintbrush_options->use_fade ? fade_out : 0,
- paintbrush_options->use_gradient ? gradient_length : 0,
- paintbrush_options->paint_options.incremental,
- paintbrush_options->gradient_type);
- break;
-
- case FINISH_PAINT :
- #if TIMED_BRUSH
- if (timer)
- {
- g_timer_stop(timer);
- g_print ("painting took %f:\n", g_timer_elapsed(timer, NULL));
- g_timer_destroy(timer);
- timer = NULL;
- }
- #endif /* TIMED_BRUSH */
- break;
-
- default :
- break;
- }
-
- return NULL;
- }
-
-
- Tool *
- tools_new_paintbrush ()
- {
- Tool * tool;
- PaintCore * private;
-
- /* The tool options */
- if (! paintbrush_options)
- {
- paintbrush_options = paintbrush_options_new ();
- tools_register (PAINTBRUSH, (ToolOptions *) paintbrush_options);
-
- /* press all default buttons */
- paintbrush_options_reset ();
- }
-
- tool = paint_core_new (PAINTBRUSH);
-
- private = (PaintCore *) tool->private;
- private->paint_func = paintbrush_paint_func;
- private->pick_colors = TRUE;
- private->flags |= TOOL_CAN_HANDLE_CHANGING_BRUSH;
-
- return tool;
- }
-
-
- void
- tools_free_paintbrush (Tool *tool)
- {
- paint_core_free (tool);
- }
-
-
- static void
- paintbrush_motion (PaintCore *paint_core,
- GimpDrawable *drawable,
- PaintPressureOptions *pressure_options,
- double fade_out,
- double gradient_length,
- PaintApplicationMode incremental,
- GradientPaintMode gradient_type)
- {
- GImage *gimage;
- TempBuf * area;
- gdouble x, paint_left;
- gdouble position;
- guchar local_blend = OPAQUE_OPACITY;
- guchar temp_blend = OPAQUE_OPACITY;
- guchar col[MAX_CHANNELS];
- gdouble r,g,b,a;
- gint mode;
- gint opacity;
- gdouble scale;
- PaintApplicationMode paint_appl_mode = incremental ? INCREMENTAL : CONSTANT;
-
- position = 0.0;
- if (! (gimage = drawable_gimage (drawable)))
- return;
-
- if (pressure_options->size)
- scale = paint_core->curpressure;
- else
- scale = 1.0;
-
- if (pressure_options->color)
- gradient_length = 1.0; /* not really used, only for if cases */
-
- /* Get a region which can be used to paint to */
- if (! (area = paint_core_get_paint_area (paint_core, drawable, scale)))
- return;
-
- /* factor in the fade out value */
- if (fade_out)
- {
- /* Model the amount of paint left as a gaussian curve */
- x = ((double) paint_core->pixel_dist / fade_out);
- paint_left = exp (- x * x * 5.541); /* ln (1/255) */
- local_blend = (int) (255 * paint_left);
- }
-
- if (local_blend)
- {
- /* set the alpha channel */
- temp_blend = local_blend;
- mode = gradient_type;
-
- if (gradient_length)
- {
- if (pressure_options->color)
- gradient_get_color_at (gimp_context_get_gradient (NULL),
- paint_core->curpressure, &r, &g, &b, &a);
- else
- paint_core_get_color_from_gradient (paint_core, gradient_length,
- &r, &g, &b, &a, mode);
- r = r * 255.0;
- g = g * 255.0;
- b = b * 255.0;
- a = a * 255.0;
- temp_blend = (gint)((a * local_blend) / 255);
- col[0] = (gint)r;
- col[1] = (gint)g;
- col[2] = (gint)b;
- col[3] = OPAQUE_OPACITY;
- /* always use incremental mode with gradients */
- /* make the gui cool later */
- paint_appl_mode = INCREMENTAL;
- color_pixels (temp_buf_data (area), col,
- area->width * area->height, area->bytes);
- }
- /* we check to see if this is a pixmap, if so composite the
- pixmap image into the are instead of the color */
- else if (paint_core->brush && paint_core->brush->pixmap)
- {
- paint_core_color_area_with_pixmap (paint_core, gimage, drawable,
- area,
- scale, SOFT);
- paint_appl_mode = INCREMENTAL;
- }
- else
- {
- gimage_get_foreground (gimage, drawable, col);
- col[area->bytes - 1] = OPAQUE_OPACITY;
- color_pixels (temp_buf_data (area), col,
- area->width * area->height, area->bytes);
- }
-
- opacity = (gdouble)temp_blend;
- if (pressure_options->opacity)
- opacity = opacity * 2.0 * paint_core->curpressure;
-
- paint_core_paste_canvas (paint_core, drawable,
- MIN (opacity, 255),
- gimp_context_get_opacity (NULL) * 255,
- gimp_context_get_paint_mode (NULL),
- pressure_options->pressure ? PRESSURE : SOFT,
- scale, paint_appl_mode);
- }
- }
-
-
- static void *
- paintbrush_non_gui_paint_func (PaintCore *paint_core,
- GimpDrawable *drawable,
- int state)
- {
- GImage *gimage;
- double fade_out;
- double gradient_length;
- double unit_factor;
-
- if (! (gimage = drawable_gimage (drawable)))
- return NULL;
-
- switch (non_gui_fade_unit)
- {
- case GIMP_UNIT_PIXEL:
- fade_out = non_gui_fade_out;
- break;
- case GIMP_UNIT_PERCENT:
- fade_out = MAX (gimage->width, gimage->height) *
- non_gui_fade_out / 100;
- break;
- default:
- unit_factor = gimp_unit_get_factor (non_gui_fade_unit);
- fade_out = non_gui_fade_out *
- MAX (gimage->xresolution, gimage->yresolution) / unit_factor;
- break;
- }
-
- switch (non_gui_gradient_unit)
- {
- case GIMP_UNIT_PIXEL:
- gradient_length = non_gui_gradient_length;
- break;
- case GIMP_UNIT_PERCENT:
- gradient_length = MAX (gimage->width, gimage->height) *
- non_gui_gradient_length / 100;
- break;
- default:
- unit_factor = gimp_unit_get_factor (non_gui_gradient_unit);
- gradient_length = non_gui_gradient_length *
- MAX (gimage->xresolution, gimage->yresolution) / unit_factor;
- break;
- }
-
- paintbrush_motion (paint_core,drawable,
- &non_gui_pressure_options,
- fade_out,
- gradient_length,
- non_gui_incremental,
- non_gui_gradient_type);
-
- return NULL;
- }
-
- gboolean
- paintbrush_non_gui_default (GimpDrawable *drawable,
- int num_strokes,
- double *stroke_array)
- {
- PaintbrushOptions *options = paintbrush_options;
- gdouble fade_out = PAINTBRUSH_DEFAULT_FADE_OUT;
- gboolean incremental = PAINTBRUSH_DEFAULT_INCREMENTAL;
- gboolean use_gradient = PAINTBRUSH_DEFAULT_USE_GRADIENT;
- gboolean use_fade = PAINTBRUSH_DEFAULT_USE_FADE;
- gdouble gradient_length = PAINTBRUSH_DEFAULT_GRADIENT_LENGTH;
- gint gradient_type = PAINTBRUSH_DEFAULT_GRADIENT_TYPE;
- GimpUnit fade_unit = PAINTBRUSH_DEFAULT_FADE_UNIT;
- GimpUnit gradient_unit = PAINTBRUSH_DEFAULT_GRADIENT_UNIT;
- gint i;
-
- if (options)
- {
- fade_out = options->fade_out;
- incremental = options->paint_options.incremental;
- use_gradient = options->use_gradient;
- gradient_length = options->gradient_length;
- gradient_type = options->gradient_type;
- use_fade = options->use_fade;
- fade_unit = options->fade_unit;
- gradient_unit = options->gradient_unit;
- }
-
- if (use_gradient == FALSE)
- gradient_length = 0.0;
-
- if (use_fade == FALSE)
- fade_out = 0.0;
-
- /* Hmmm... PDB paintbrush should have gradient type added to it!*/
- /* thats why the code below is duplicated.
- */
- if (paint_core_init (&non_gui_paint_core, drawable,
- stroke_array[0], stroke_array[1]))
- {
- non_gui_fade_out = fade_out;
- non_gui_gradient_length = gradient_length;
- non_gui_gradient_type = gradient_type;
- non_gui_incremental = incremental;
- non_gui_fade_unit = fade_unit;
- non_gui_gradient_unit = gradient_unit;
-
- /* Set the paint core's paint func */
- non_gui_paint_core.paint_func = paintbrush_non_gui_paint_func;
-
- non_gui_paint_core.startx = non_gui_paint_core.lastx = stroke_array[0];
- non_gui_paint_core.starty = non_gui_paint_core.lasty = stroke_array[1];
-
- non_gui_paint_core.flags |= TOOL_CAN_HANDLE_CHANGING_BRUSH;
-
- paintbrush_non_gui_paint_func (&non_gui_paint_core, drawable, 0);
-
- for (i = 1; i < num_strokes; i++)
- {
- non_gui_paint_core.curx = stroke_array[i * 2 + 0];
- non_gui_paint_core.cury = stroke_array[i * 2 + 1];
-
- paint_core_interpolate (&non_gui_paint_core, drawable);
-
- non_gui_paint_core.lastx = non_gui_paint_core.curx;
- non_gui_paint_core.lasty = non_gui_paint_core.cury;
- }
-
- /* Finish the painting */
- paint_core_finish (&non_gui_paint_core, drawable, -1);
-
- /* Cleanup */
- paint_core_cleanup ();
- return TRUE;
- }
- else
- return FALSE;
- }
-
- gboolean
- paintbrush_non_gui (GimpDrawable *drawable,
- int num_strokes,
- double *stroke_array,
- double fade_out,
- int method,
- double gradient_length)
- {
- int i;
-
- /* Code duplicated above */
- if (paint_core_init (&non_gui_paint_core, drawable,
- stroke_array[0], stroke_array[1]))
- {
- non_gui_fade_out = fade_out;
- non_gui_gradient_length = gradient_length;
- non_gui_gradient_type = LOOP_TRIANGLE;
- non_gui_incremental = method;
-
- /* Set the paint core's paint func */
- non_gui_paint_core.paint_func = paintbrush_non_gui_paint_func;
-
- non_gui_paint_core.startx = non_gui_paint_core.lastx = stroke_array[0];
- non_gui_paint_core.starty = non_gui_paint_core.lasty = stroke_array[1];
-
- non_gui_paint_core.flags |= TOOL_CAN_HANDLE_CHANGING_BRUSH;
-
- if (num_strokes == 1)
- paintbrush_non_gui_paint_func (&non_gui_paint_core, drawable, 0);
-
- for (i = 1; i < num_strokes; i++)
- {
- non_gui_paint_core.curx = stroke_array[i * 2 + 0];
- non_gui_paint_core.cury = stroke_array[i * 2 + 1];
-
- paint_core_interpolate (&non_gui_paint_core, drawable);
-
- non_gui_paint_core.lastx = non_gui_paint_core.curx;
- non_gui_paint_core.lasty = non_gui_paint_core.cury;
- }
-
- /* Finish the painting */
- paint_core_finish (&non_gui_paint_core, drawable, -1);
-
- /* Cleanup */
- paint_core_cleanup ();
- return TRUE;
- }
- else
- return FALSE;
- }
-