mirror of https://github.com/GNOME/gimp.git
348 lines
11 KiB
C
348 lines
11 KiB
C
/* The GIMP -- an image manipulation program
|
|
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
|
|
*
|
|
* brush_edit module Copyright 1998 Jay Cox <jaycox@earthlink.net>
|
|
*
|
|
* 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 <math.h>
|
|
#include <string.h>
|
|
|
|
#include "appenv.h"
|
|
#include "gimpbrushgenerated.h"
|
|
#include "brush_edit.h"
|
|
#include "gimpui.h"
|
|
|
|
#include "libgimp/gimpintl.h"
|
|
|
|
static void brush_edit_close_callback (GtkWidget *, gpointer);
|
|
static gint brush_edit_preview_resize (GtkWidget *widget, GdkEvent *event,
|
|
BrushEditGeneratedWindow *begw);
|
|
|
|
static void
|
|
update_brush_callback (GtkAdjustment *adjustment,
|
|
BrushEditGeneratedWindow *begw)
|
|
{
|
|
if (begw->brush &&
|
|
((begw->radius_data->value
|
|
!= gimp_brush_generated_get_radius(begw->brush))
|
|
|| (begw->hardness_data->value
|
|
!= gimp_brush_generated_get_hardness(begw->brush))
|
|
|| (begw->aspect_ratio_data->value
|
|
!= gimp_brush_generated_get_aspect_ratio(begw->brush))
|
|
|| (begw->angle_data->value
|
|
!=gimp_brush_generated_get_angle(begw->brush))))
|
|
{
|
|
gimp_brush_generated_freeze (begw->brush);
|
|
gimp_brush_generated_set_radius (begw->brush,
|
|
begw->radius_data->value);
|
|
gimp_brush_generated_set_hardness (begw->brush,
|
|
begw->hardness_data->value);
|
|
gimp_brush_generated_set_aspect_ratio (begw->brush,
|
|
begw->aspect_ratio_data->value);
|
|
gimp_brush_generated_set_angle (begw->brush,
|
|
begw->angle_data->value);
|
|
gimp_brush_generated_thaw (begw->brush);
|
|
}
|
|
}
|
|
|
|
static void
|
|
brush_edit_clear_preview (BrushEditGeneratedWindow *begw)
|
|
{
|
|
guchar * buf;
|
|
gint i;
|
|
|
|
buf = g_new (guchar, begw->preview->requisition.width);
|
|
|
|
/* Set the buffer to white */
|
|
memset (buf, 255, begw->preview->requisition.width);
|
|
|
|
/* Set the image buffer to white */
|
|
for (i = 0; i < begw->preview->requisition.height; i++)
|
|
gtk_preview_draw_row (GTK_PREVIEW (begw->preview), buf, 0, i,
|
|
begw->preview->requisition.width);
|
|
|
|
g_free (buf);
|
|
}
|
|
|
|
static gint
|
|
brush_edit_brush_dirty_callback (GimpBrush *brush,
|
|
BrushEditGeneratedWindow *begw)
|
|
{
|
|
gint x, y, width, yend, ystart, xo;
|
|
gint scale;
|
|
gchar *src, *buf;
|
|
|
|
brush_edit_clear_preview (begw);
|
|
if (brush == NULL || brush->mask == NULL)
|
|
return TRUE;
|
|
scale = MAX (ceil (brush->mask->width/
|
|
(float) begw->preview->requisition.width),
|
|
ceil (brush->mask->height/
|
|
(float) begw->preview->requisition.height));
|
|
|
|
ystart = 0;
|
|
xo = begw->preview->requisition.width/2 - brush->mask->width/(2*scale);
|
|
ystart = begw->preview->requisition.height/2 - brush->mask->height/(2*scale);
|
|
yend = ystart + brush->mask->height/(scale);
|
|
width = BOUNDS (brush->mask->width/scale, 0, begw->preview->requisition.width);
|
|
|
|
buf = g_new (gchar, width);
|
|
src = (gchar *) temp_buf_data (brush->mask);
|
|
|
|
for (y = ystart; y < yend; y++)
|
|
{
|
|
/* Invert the mask for display.
|
|
*/
|
|
for (x = 0; x < width; x++)
|
|
buf[x] = 255 - src[x*scale];
|
|
gtk_preview_draw_row (GTK_PREVIEW (begw->preview), (guchar *)buf, xo, y,
|
|
width);
|
|
src += brush->mask->width*scale;
|
|
}
|
|
g_free (buf);
|
|
if (begw->scale != scale)
|
|
{
|
|
gchar str[255];
|
|
begw->scale = scale;
|
|
g_snprintf (str, sizeof (str), "%d:1", scale);
|
|
gtk_label_set_text (GTK_LABEL (begw->scale_label), str);
|
|
gtk_widget_draw (begw->scale_label, NULL);
|
|
}
|
|
gtk_widget_draw (begw->preview, NULL);
|
|
return TRUE;
|
|
}
|
|
|
|
void
|
|
brush_renamed_callback (GtkWidget *widget,
|
|
BrushEditGeneratedWindow *begw)
|
|
{
|
|
gtk_entry_set_text (GTK_ENTRY (begw->name),
|
|
gimp_brush_get_name (GIMP_BRUSH (begw->brush)));
|
|
}
|
|
|
|
void
|
|
brush_edit_generated_set_brush (BrushEditGeneratedWindow *begw,
|
|
GimpBrush *gbrush)
|
|
{
|
|
GimpBrushGenerated *brush = 0;
|
|
if (begw->brush == (GimpBrushGenerated*)gbrush)
|
|
return;
|
|
if (begw && begw->brush)
|
|
{
|
|
gtk_signal_disconnect_by_data (GTK_OBJECT (begw->brush), begw);
|
|
gtk_object_unref (GTK_OBJECT (begw->brush));
|
|
begw->brush = NULL;
|
|
}
|
|
if (!gbrush || !GIMP_IS_BRUSH_GENERATED (gbrush))
|
|
{
|
|
begw->brush = NULL;
|
|
if (GTK_WIDGET_VISIBLE (begw->shell))
|
|
gtk_widget_hide (begw->shell);
|
|
return;
|
|
}
|
|
brush = GIMP_BRUSH_GENERATED (gbrush);
|
|
if (begw)
|
|
{
|
|
gtk_signal_connect (GTK_OBJECT (brush), "dirty",
|
|
GTK_SIGNAL_FUNC (brush_edit_brush_dirty_callback),
|
|
begw);
|
|
gtk_signal_connect (GTK_OBJECT (brush), "rename",
|
|
GTK_SIGNAL_FUNC (brush_renamed_callback),
|
|
begw);
|
|
begw->brush = NULL;
|
|
gtk_adjustment_set_value (GTK_ADJUSTMENT (begw->radius_data),
|
|
gimp_brush_generated_get_radius (brush));
|
|
gtk_adjustment_set_value (GTK_ADJUSTMENT (begw->hardness_data),
|
|
gimp_brush_generated_get_hardness (brush));
|
|
gtk_adjustment_set_value (GTK_ADJUSTMENT (begw->angle_data),
|
|
gimp_brush_generated_get_angle (brush));
|
|
gtk_adjustment_set_value (GTK_ADJUSTMENT (begw->aspect_ratio_data),
|
|
gimp_brush_generated_get_aspect_ratio (brush));
|
|
gtk_entry_set_text (GTK_ENTRY (begw->name), gimp_brush_get_name (gbrush));
|
|
begw->brush = brush;
|
|
gtk_object_ref (GTK_OBJECT (begw->brush));
|
|
brush_edit_brush_dirty_callback (GIMP_BRUSH (brush), begw);
|
|
}
|
|
}
|
|
|
|
void
|
|
name_changed_func (GtkWidget *widget,
|
|
BrushEditGeneratedWindow *begw)
|
|
{
|
|
gchar *entry_text;
|
|
entry_text = gtk_entry_get_text (GTK_ENTRY (widget));
|
|
gimp_brush_set_name (GIMP_BRUSH (begw->brush), entry_text);
|
|
}
|
|
|
|
void
|
|
focus_out_func (GtkWidget *wid1,
|
|
GtkWidget *wid2,
|
|
BrushEditGeneratedWindow *begw)
|
|
{
|
|
name_changed_func (wid1, begw);
|
|
}
|
|
|
|
BrushEditGeneratedWindow *
|
|
brush_edit_generated_new (void)
|
|
{
|
|
BrushEditGeneratedWindow *begw;
|
|
GtkWidget *vbox;
|
|
GtkWidget *slider;
|
|
GtkWidget *table;
|
|
|
|
begw = g_new (BrushEditGeneratedWindow, 1);
|
|
begw->brush = NULL;
|
|
|
|
begw->shell = gimp_dialog_new (_("Brush Editor"), "generated_brush_editor",
|
|
gimp_standard_help_func,
|
|
"dialogs/brush_editor.html",
|
|
GTK_WIN_POS_NONE,
|
|
FALSE, TRUE, FALSE,
|
|
|
|
_("Close"), brush_edit_close_callback,
|
|
begw, NULL, TRUE, TRUE,
|
|
|
|
NULL);
|
|
|
|
vbox = gtk_vbox_new (FALSE, 1);
|
|
gtk_container_set_border_width (GTK_CONTAINER (vbox), 2);
|
|
gtk_container_add (GTK_CONTAINER (GTK_DIALOG (begw->shell)->vbox), vbox);
|
|
|
|
/* Populate the window with some widgets */
|
|
|
|
/* table for brush controlls */
|
|
table = gtk_table_new (5, 4, FALSE);
|
|
gtk_box_pack_start (GTK_BOX (vbox), table, TRUE, TRUE, 0);
|
|
|
|
/* Brush's name */
|
|
begw->name = gtk_entry_new();
|
|
gtk_box_pack_start (GTK_BOX (vbox), begw->name, TRUE, TRUE, 0);
|
|
|
|
gtk_signal_connect (GTK_OBJECT (begw->name), "activate",
|
|
(GtkSignalFunc) name_changed_func,
|
|
begw);
|
|
gtk_signal_connect (GTK_OBJECT (begw->name), "focus_out_event",
|
|
(GtkSignalFunc) focus_out_func,
|
|
begw);
|
|
gtk_widget_show(begw->name);
|
|
|
|
/* brush's preview widget w/frame */
|
|
begw->frame = gtk_frame_new (NULL);
|
|
gtk_frame_set_shadow_type (GTK_FRAME (begw->frame), GTK_SHADOW_IN);
|
|
gtk_box_pack_start (GTK_BOX (vbox), begw->frame, TRUE, TRUE, 0);
|
|
|
|
begw->preview = gtk_preview_new (GTK_PREVIEW_GRAYSCALE);
|
|
gtk_preview_size (GTK_PREVIEW (begw->preview), 125, 100);
|
|
gtk_signal_connect_after (GTK_OBJECT(begw->frame), "size_allocate",
|
|
(GtkSignalFunc) brush_edit_preview_resize,
|
|
begw);
|
|
gtk_container_add (GTK_CONTAINER (begw->frame), begw->preview);
|
|
|
|
gtk_widget_show(begw->preview);
|
|
gtk_widget_show(begw->frame);
|
|
|
|
/* table for sliders/labels */
|
|
begw->scale_label = gtk_label_new ("-1:1");
|
|
gtk_box_pack_start (GTK_BOX (vbox), begw->scale_label, FALSE, FALSE, 0);
|
|
begw->scale = -1;
|
|
gtk_widget_show (begw->scale_label);
|
|
/* table for sliders/labels */
|
|
table = gtk_table_new(2, 4, FALSE);
|
|
gtk_box_pack_start (GTK_BOX (vbox), table, FALSE, FALSE, 0);
|
|
|
|
/* brush radius scale */
|
|
begw->radius_data =
|
|
GTK_ADJUSTMENT (gtk_adjustment_new (10.0, 0.0, 100.0, 0.1, 1.0, 0.0));
|
|
slider = gtk_hscale_new (begw->radius_data);
|
|
gtk_scale_set_value_pos (GTK_SCALE (slider), GTK_POS_TOP);
|
|
gtk_range_set_update_policy (GTK_RANGE (slider), GTK_UPDATE_DELAYED);
|
|
gtk_signal_connect (GTK_OBJECT (begw->radius_data), "value_changed",
|
|
(GtkSignalFunc) update_brush_callback, begw);
|
|
gimp_table_attach_aligned (GTK_TABLE (table), 0,
|
|
_("Radius:"), 1.0, 1.0,
|
|
slider, FALSE);
|
|
|
|
/* brush hardness scale */
|
|
begw->hardness_data =
|
|
GTK_ADJUSTMENT (gtk_adjustment_new (0.0, 0.0, 1.0, 0.01, 0.01, 0.0));
|
|
slider = gtk_hscale_new (begw->hardness_data);
|
|
gtk_scale_set_value_pos (GTK_SCALE (slider), GTK_POS_TOP);
|
|
gtk_range_set_update_policy (GTK_RANGE (slider), GTK_UPDATE_DELAYED);
|
|
gtk_signal_connect (GTK_OBJECT (begw->hardness_data), "value_changed",
|
|
(GtkSignalFunc) update_brush_callback, begw);
|
|
gimp_table_attach_aligned (GTK_TABLE (table), 1,
|
|
_("Hardness:"), 1.0, 1.0,
|
|
slider, FALSE);
|
|
|
|
/* brush aspect ratio scale */
|
|
begw->aspect_ratio_data =
|
|
GTK_ADJUSTMENT (gtk_adjustment_new (1.0, 1.0, 20.0, 0.1, 1.0, 0.0));
|
|
slider = gtk_hscale_new (begw->aspect_ratio_data);
|
|
gtk_scale_set_value_pos (GTK_SCALE (slider), GTK_POS_TOP);
|
|
gtk_range_set_update_policy (GTK_RANGE (slider), GTK_UPDATE_DELAYED);
|
|
gtk_signal_connect (GTK_OBJECT (begw->aspect_ratio_data), "value_changed",
|
|
(GtkSignalFunc) update_brush_callback, begw);
|
|
gimp_table_attach_aligned (GTK_TABLE (table), 3,
|
|
_("Aspect Ratio:"), 1.0, 1.0,
|
|
slider, FALSE);
|
|
|
|
/* brush angle scale */
|
|
begw->angle_data =
|
|
GTK_ADJUSTMENT (gtk_adjustment_new (00.0, 0.0, 180.0, 0.1, 1.0, 0.0));
|
|
slider = gtk_hscale_new (begw->angle_data);
|
|
gtk_scale_set_value_pos (GTK_SCALE (slider), GTK_POS_TOP);
|
|
gtk_range_set_update_policy (GTK_RANGE (slider), GTK_UPDATE_DELAYED);
|
|
gtk_signal_connect (GTK_OBJECT (begw->angle_data), "value_changed",
|
|
(GtkSignalFunc) update_brush_callback, begw);
|
|
gimp_table_attach_aligned (GTK_TABLE (table), 2,
|
|
_("Angle:"), 1.0, 1.0,
|
|
slider, FALSE);
|
|
|
|
gtk_table_set_row_spacings (GTK_TABLE (table), 3);
|
|
gtk_table_set_col_spacing (GTK_TABLE (table), 0, 4);
|
|
gtk_widget_show (table);
|
|
|
|
gtk_widget_show (vbox);
|
|
gtk_widget_show (begw->shell);
|
|
|
|
return begw;
|
|
}
|
|
|
|
static gint
|
|
brush_edit_preview_resize (GtkWidget *widget,
|
|
GdkEvent *event,
|
|
BrushEditGeneratedWindow *begw)
|
|
{
|
|
gtk_preview_size (GTK_PREVIEW (begw->preview),
|
|
widget->allocation.width - 4,
|
|
widget->allocation.height - 4);
|
|
|
|
/* update the display */
|
|
if (begw->brush)
|
|
brush_edit_brush_dirty_callback (GIMP_BRUSH (begw->brush), begw);
|
|
return FALSE;
|
|
}
|
|
|
|
static void
|
|
brush_edit_close_callback (GtkWidget *widget,
|
|
gpointer data)
|
|
{
|
|
BrushEditGeneratedWindow *begw = (BrushEditGeneratedWindow *) data;
|
|
|
|
if (GTK_WIDGET_VISIBLE (begw->shell))
|
|
gtk_widget_hide (begw->shell);
|
|
}
|