gint
gimp_brush_generated_get_spikes (const GimpBrushGenerated *brush)
{
g_return_val_if_fail (GIMP_IS_BRUSH_GENERATED (brush), -1);
return brush->spikes;
}
void
gimp_paint_options_set_default_brush_hardness (GimpPaintOptions *paint_options,
GimpBrush *brush)
{
g_return_if_fail (GIMP_IS_PAINT_OPTIONS (paint_options));
g_return_if_fail (brush == NULL || GIMP_IS_BRUSH (brush));
if (! brush)
brush = gimp_context_get_brush (GIMP_CONTEXT (paint_options));
if (GIMP_IS_BRUSH_GENERATED (brush))
{
GimpBrushGenerated *generated_brush = GIMP_BRUSH_GENERATED (brush);
g_object_set (paint_options,
"brush-hardness", (gdouble) gimp_brush_generated_get_hardness (generated_brush),
NULL);
}
else
{
g_object_set (paint_options,
"brush-hardness", DEFAULT_BRUSH_HARDNESS,
NULL);
}
}
gfloat
gimp_brush_generated_get_angle (const GimpBrushGenerated *brush)
{
g_return_val_if_fail (GIMP_IS_BRUSH_GENERATED (brush), -1.0);
return brush->angle;
}
gfloat
gimp_brush_generated_get_hardness (GimpBrushGenerated *brush)
{
g_return_val_if_fail (GIMP_IS_BRUSH_GENERATED (brush), -1.0);
return brush->hardness;
}
gfloat
gimp_brush_generated_get_aspect_ratio (GimpBrushGenerated *brush)
{
g_return_val_if_fail (GIMP_IS_BRUSH_GENERATED (brush), -1.0);
return brush->aspect_ratio;
}
GimpBrush *
gimp_pdb_get_generated_brush (Gimp *gimp,
const gchar *name,
gboolean writable,
GError **error)
{
GimpBrush *brush;
g_return_val_if_fail (GIMP_IS_GIMP (gimp), NULL);
g_return_val_if_fail (error == NULL || *error == NULL, NULL);
brush = gimp_pdb_get_brush (gimp, name, writable, error);
if (! brush)
return NULL;
if (! GIMP_IS_BRUSH_GENERATED (brush))
{
g_set_error (error, GIMP_PDB_ERROR, GIMP_PDB_ERROR_INVALID_ARGUMENT,
_("Brush '%s' is not a generated brush"), name);
return NULL;
}
return brush;
}
void
context_brush_shape_cmd_callback (GtkAction *action,
gint value,
gpointer data)
{
GimpContext *context;
GimpBrush *brush;
return_if_no_context (context, data);
brush = gimp_context_get_brush (context);
if (GIMP_IS_BRUSH_GENERATED (brush) &&
gimp_data_is_writable (GIMP_DATA (brush)))
{
GimpBrushGenerated *generated = GIMP_BRUSH_GENERATED (brush);
GimpDisplay *display;
const char *value_desc;
gimp_brush_generated_set_shape (generated,
(GimpBrushGeneratedShape) value);
gimp_enum_get_value (GIMP_TYPE_BRUSH_GENERATED_SHAPE, value,
NULL, NULL, &value_desc, NULL);
display = action_data_get_display (data);
if (value_desc && display)
{
action_message (display, G_OBJECT (brush),
_("Brush Shape: %s"), value_desc);
}
}
}
void
context_brush_radius_cmd_callback (GtkAction *action,
gint value,
gpointer data)
{
GimpContext *context;
GimpBrush *brush;
return_if_no_context (context, data);
brush = gimp_context_get_brush (context);
if (GIMP_IS_BRUSH_GENERATED (brush) &&
gimp_data_is_writable (GIMP_DATA (brush)))
{
GimpBrushGenerated *generated = GIMP_BRUSH_GENERATED (brush);
GimpDisplay *display;
gdouble radius;
gdouble min_radius;
radius = gimp_brush_generated_get_radius (generated);
/* If the user uses a high precision radius adjustment command
* then we allow a minimum radius of 0.1 px, otherwise we set the
* minimum radius to 1.0 px and adjust the radius to 1.0 px if it
* is less than 1.0 px. This prevents irritating 0.1, 1.1, 2.1 etc
* radius sequences when 1.0 px steps are used.
*/
switch ((GimpActionSelectType) value)
{
case GIMP_ACTION_SELECT_SMALL_PREVIOUS:
case GIMP_ACTION_SELECT_SMALL_NEXT:
case GIMP_ACTION_SELECT_PERCENT_PREVIOUS:
case GIMP_ACTION_SELECT_PERCENT_NEXT:
min_radius = 0.1;
break;
default:
min_radius = 1.0;
if (radius < 1.0)
radius = 1.0;
break;
}
radius = action_select_value ((GimpActionSelectType) value,
radius,
min_radius, 4000.0, min_radius,
0.1, 1.0, 10.0, 0.05, FALSE);
gimp_brush_generated_set_radius (generated, radius);
display = action_data_get_display (data);
if (display)
{
action_message (action_data_get_display (data), G_OBJECT (brush),
_("Brush Radius: %2.2f"), radius);
}
}
}
GimpBrushGeneratedShape
gimp_brush_generated_get_shape (const GimpBrushGenerated *brush)
{
g_return_val_if_fail (GIMP_IS_BRUSH_GENERATED (brush),
GIMP_BRUSH_GENERATED_CIRCLE);
return brush->shape;
}
static void
gimp_brush_editor_set_data (GimpDataEditor *editor,
GimpData *data)
{
GimpBrushEditor *brush_editor = GIMP_BRUSH_EDITOR (editor);
GimpBrushGeneratedShape shape = GIMP_BRUSH_GENERATED_CIRCLE;
gdouble radius = 0.0;
gint spikes = 2;
gdouble hardness = 0.0;
gdouble ratio = 0.0;
gdouble angle = 0.0;
gdouble spacing = 0.0;
if (editor->data)
g_signal_handlers_disconnect_by_func (editor->data,
gimp_brush_editor_notify_brush,
editor);
GIMP_DATA_EDITOR_CLASS (parent_class)->set_data (editor, data);
if (editor->data)
g_signal_connect (editor->data, "notify",
G_CALLBACK (gimp_brush_editor_notify_brush),
editor);
gimp_view_set_viewable (GIMP_VIEW (editor->view), GIMP_VIEWABLE (data));
if (editor->data)
{
spacing = gimp_brush_get_spacing (GIMP_BRUSH (editor->data));
if (GIMP_IS_BRUSH_GENERATED (editor->data))
{
GimpBrushGenerated *brush = GIMP_BRUSH_GENERATED (editor->data);
shape = gimp_brush_generated_get_shape (brush);
radius = gimp_brush_generated_get_radius (brush);
spikes = gimp_brush_generated_get_spikes (brush);
hardness = gimp_brush_generated_get_hardness (brush);
ratio = gimp_brush_generated_get_aspect_ratio (brush);
angle = gimp_brush_generated_get_angle (brush);
}
}
gtk_widget_set_sensitive (brush_editor->options_box,
editor->data_editable);
gimp_int_radio_group_set_active (GTK_RADIO_BUTTON (brush_editor->shape_group),
shape);
gtk_adjustment_set_value (brush_editor->radius_data, radius);
gtk_adjustment_set_value (brush_editor->spikes_data, spikes);
gtk_adjustment_set_value (brush_editor->hardness_data, hardness);
gtk_adjustment_set_value (brush_editor->aspect_ratio_data, ratio);
gtk_adjustment_set_value (brush_editor->angle_data, angle);
gtk_adjustment_set_value (brush_editor->spacing_data, spacing);
}
static void
gimp_brush_editor_update_brush (GtkAdjustment *adjustment,
GimpBrushEditor *editor)
{
GimpBrushGenerated *brush;
gdouble radius;
gint spikes;
gdouble hardness;
gdouble ratio;
gdouble angle;
gdouble spacing;
if (! GIMP_IS_BRUSH_GENERATED (GIMP_DATA_EDITOR (editor)->data))
return;
brush = GIMP_BRUSH_GENERATED (GIMP_DATA_EDITOR (editor)->data);
radius = gtk_adjustment_get_value (editor->radius_data);
spikes = ROUND (gtk_adjustment_get_value (editor->spikes_data));
hardness = gtk_adjustment_get_value (editor->hardness_data);
ratio = gtk_adjustment_get_value (editor->aspect_ratio_data);
angle = gtk_adjustment_get_value (editor->angle_data);
spacing = gtk_adjustment_get_value (editor->spacing_data);
if (radius != gimp_brush_generated_get_radius (brush) ||
spikes != gimp_brush_generated_get_spikes (brush) ||
hardness != gimp_brush_generated_get_hardness (brush) ||
ratio != gimp_brush_generated_get_aspect_ratio (brush) ||
angle != gimp_brush_generated_get_angle (brush) ||
spacing != gimp_brush_get_spacing (GIMP_BRUSH (brush)))
{
g_signal_handlers_block_by_func (brush,
gimp_brush_editor_notify_brush,
editor);
gimp_data_freeze (GIMP_DATA (brush));
g_object_freeze_notify (G_OBJECT (brush));
gimp_brush_generated_set_radius (brush, radius);
gimp_brush_generated_set_spikes (brush, spikes);
gimp_brush_generated_set_hardness (brush, hardness);
gimp_brush_generated_set_aspect_ratio (brush, ratio);
gimp_brush_generated_set_angle (brush, angle);
gimp_brush_set_spacing (GIMP_BRUSH (brush), spacing);
g_object_thaw_notify (G_OBJECT (brush));
gimp_data_thaw (GIMP_DATA (brush));
g_signal_handlers_unblock_by_func (brush,
gimp_brush_editor_notify_brush,
editor);
}
}
GimpBrushGeneratedShape
gimp_brush_generated_set_shape (GimpBrushGenerated *brush,
GimpBrushGeneratedShape shape)
{
g_return_val_if_fail (GIMP_IS_BRUSH_GENERATED (brush),
GIMP_BRUSH_GENERATED_CIRCLE);
if (brush->shape != shape)
{
brush->shape = shape;
g_object_notify (G_OBJECT (brush), "shape");
gimp_data_dirty (GIMP_DATA (brush));
}
return brush->shape;
}
gfloat
gimp_brush_generated_set_radius (GimpBrushGenerated *brush,
gfloat radius)
{
g_return_val_if_fail (GIMP_IS_BRUSH_GENERATED (brush), -1.0);
radius = CLAMP (radius, 0.0, 32767.0);
if (brush->radius != radius)
{
brush->radius = radius;
g_object_notify (G_OBJECT (brush), "radius");
gimp_data_dirty (GIMP_DATA (brush));
}
return brush->radius;
}
gfloat
gimp_brush_generated_set_hardness (GimpBrushGenerated *brush,
gfloat hardness)
{
g_return_val_if_fail (GIMP_IS_BRUSH_GENERATED (brush), -1.0);
hardness = CLAMP (hardness, 0.0, 1.0);
if (brush->hardness != hardness)
{
brush->hardness = hardness;
g_object_notify (G_OBJECT (brush), "hardness");
gimp_data_dirty (GIMP_DATA (brush));
}
return brush->hardness;
}
gfloat
gimp_brush_generated_set_aspect_ratio (GimpBrushGenerated *brush,
gfloat ratio)
{
g_return_val_if_fail (GIMP_IS_BRUSH_GENERATED (brush), -1.0);
ratio = CLAMP (ratio, 1.0, 1000.0);
if (brush->aspect_ratio != ratio)
{
brush->aspect_ratio = ratio;
g_object_notify (G_OBJECT (brush), "aspect-ratio");
gimp_data_dirty (GIMP_DATA (brush));
}
return brush->aspect_ratio;
}
gint
gimp_brush_generated_set_spikes (GimpBrushGenerated *brush,
gint spikes)
{
g_return_val_if_fail (GIMP_IS_BRUSH_GENERATED (brush), -1);
spikes = CLAMP (spikes, 2, 20);
if (brush->spikes != spikes)
{
brush->spikes = spikes;
g_object_notify (G_OBJECT (brush), "spikes");
gimp_data_dirty (GIMP_DATA (brush));
}
return brush->spikes;
}
void
context_brush_angle_cmd_callback (GtkAction *action,
gint value,
gpointer data)
{
GimpContext *context;
GimpBrush *brush;
return_if_no_context (context, data);
brush = gimp_context_get_brush (context);
if (GIMP_IS_BRUSH_GENERATED (brush) &&
gimp_data_is_writable (GIMP_DATA (brush)))
{
GimpBrushGenerated *generated = GIMP_BRUSH_GENERATED (brush);
GimpDisplay *display;
gdouble angle;
angle = gimp_brush_generated_get_angle (generated);
if (value == GIMP_ACTION_SELECT_FIRST)
angle = 0.0;
else if (value == GIMP_ACTION_SELECT_LAST)
angle = 90.0;
else
angle = action_select_value ((GimpActionSelectType) value,
angle,
0.0, 180.0, 0.0,
0.1, 1.0, 15.0, 0.1, TRUE);
gimp_brush_generated_set_angle (generated, angle);
display = action_data_get_display (data);
if (display)
{
action_message (action_data_get_display (data), G_OBJECT (brush),
_("Brush Angle: %2.2f"), angle);
}
}
}
void
context_brush_aspect_cmd_callback (GtkAction *action,
gint value,
gpointer data)
{
GimpContext *context;
GimpBrush *brush;
return_if_no_context (context, data);
brush = gimp_context_get_brush (context);
if (GIMP_IS_BRUSH_GENERATED (brush) &&
gimp_data_is_writable (GIMP_DATA (brush)))
{
action_select_property ((GimpActionSelectType) value,
action_data_get_display (data),
G_OBJECT (brush),
"aspect-ratio",
0.1, 1.0, 4.0, 0.1, FALSE);
}
}
gfloat
gimp_brush_generated_set_angle (GimpBrushGenerated *brush,
gfloat angle)
{
g_return_val_if_fail (GIMP_IS_BRUSH_GENERATED (brush), -1.0);
if (angle < 0.0)
angle = -1.0 * fmod (angle, 180.0);
else if (angle > 180.0)
angle = fmod (angle, 180.0);
if (brush->angle != angle)
{
brush->angle = angle;
g_object_notify (G_OBJECT (brush), "angle");
gimp_data_dirty (GIMP_DATA (brush));
}
return brush->angle;
}
static void
gimp_brush_editor_update_shape (GtkWidget *widget,
GimpBrushEditor *editor)
{
GimpBrushGenerated *brush;
if (! GIMP_IS_BRUSH_GENERATED (GIMP_DATA_EDITOR (editor)->data))
return;
brush = GIMP_BRUSH_GENERATED (GIMP_DATA_EDITOR (editor)->data);
if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (widget)))
{
GimpBrushGeneratedShape shape;
shape = GPOINTER_TO_INT (g_object_get_data (G_OBJECT (widget),
"gimp-item-data"));
if (gimp_brush_generated_get_shape (brush) != shape)
gimp_brush_generated_set_shape (brush, shape);
}
}
void
brushes_actions_update (GimpActionGroup *group,
gpointer user_data)
{
GimpContext *context = action_data_get_context (user_data);
GimpBrush *brush = NULL;
GimpData *data = NULL;
GFile *file = NULL;
if (context)
{
brush = gimp_context_get_brush (context);
if (action_data_sel_count (user_data) > 1)
{
brush = NULL;
}
if (brush)
{
data = GIMP_DATA (brush);
file = gimp_data_get_file (data);
}
}
#define SET_SENSITIVE(action,condition) \
gimp_action_group_set_action_sensitive (group, action, (condition) != 0)
SET_SENSITIVE ("brushes-edit", brush);
SET_SENSITIVE ("brushes-open-as-image", file && ! GIMP_IS_BRUSH_GENERATED (brush));
SET_SENSITIVE ("brushes-duplicate", brush && GIMP_DATA_GET_CLASS (data)->duplicate);
SET_SENSITIVE ("brushes-copy-location", file);
SET_SENSITIVE ("brushes-show-in-file-manager", file);
SET_SENSITIVE ("brushes-delete", brush && gimp_data_is_deletable (data));
#undef SET_SENSITIVE
}
