gboolean
gimp_paint_options_get_gradient_color (GimpPaintOptions *paint_options,
GimpImage *image,
gdouble grad_point,
gdouble pixel_dist,
GimpRGB *color)
{
GimpDynamics *dynamics;
g_return_val_if_fail (GIMP_IS_PAINT_OPTIONS (paint_options), FALSE);
g_return_val_if_fail (GIMP_IS_IMAGE (image), FALSE);
g_return_val_if_fail (color != NULL, FALSE);
dynamics = gimp_context_get_dynamics (GIMP_CONTEXT (paint_options));
if (gimp_dynamics_is_output_enabled (dynamics, GIMP_DYNAMICS_OUTPUT_COLOR))
{
GimpGradientOptions *gradient_options = paint_options->gradient_options;
GimpGradient *gradient;
gradient = gimp_context_get_gradient (GIMP_CONTEXT (paint_options));
gimp_gradient_get_color_at (gradient, GIMP_CONTEXT (paint_options),
NULL, grad_point,
gradient_options->gradient_reverse,
color);
return TRUE;
}
return FALSE;
}
void
dynamics_actions_update (GimpActionGroup *group,
gpointer user_data)
{
GimpContext *context = action_data_get_context (user_data);
GimpDynamics *dynamics = NULL;
GimpData *data = NULL;
const gchar *filename = NULL;
if (context)
{
dynamics = gimp_context_get_dynamics (context);
if (dynamics)
{
data = GIMP_DATA (dynamics);
filename = gimp_data_get_filename (data);
}
}
#define SET_SENSITIVE(action,condition) \
gimp_action_group_set_action_sensitive (group, action, (condition) != 0)
SET_SENSITIVE ("dynamics-edit", dynamics);
SET_SENSITIVE ("dynamics-duplicate", dynamics && GIMP_DATA_GET_CLASS (data)->duplicate);
SET_SENSITIVE ("dynamics-copy-location", dynamics && filename);
SET_SENSITIVE ("dynamics-delete", dynamics && gimp_data_is_deletable (data));
#undef SET_SENSITIVE
}
GimpBrushApplicationMode
gimp_paint_options_get_brush_mode (GimpPaintOptions *paint_options)
{
GimpDynamics *dynamics;
GimpDynamicsOutput *force_output;
gboolean dynamic_force = FALSE;
g_return_val_if_fail (GIMP_IS_PAINT_OPTIONS (paint_options), GIMP_BRUSH_SOFT);
if (paint_options->hard)
return GIMP_BRUSH_HARD;
dynamics = gimp_context_get_dynamics (GIMP_CONTEXT (paint_options));
force_output = gimp_dynamics_get_output (dynamics,
GIMP_DYNAMICS_OUTPUT_FORCE);
if (force_output)
dynamic_force = gimp_dynamics_output_is_enabled (force_output);
if (dynamic_force || (paint_options->brush_force > 0.0))
return GIMP_BRUSH_PRESSURE;
return GIMP_BRUSH_SOFT;
}
GtkWidget *
gimp_dynamics_editor_new (GimpContext *context,
GimpMenuFactory *menu_factory)
{
g_return_val_if_fail (GIMP_IS_MENU_FACTORY (menu_factory), NULL);
g_return_val_if_fail (GIMP_IS_CONTEXT (context), NULL);
return g_object_new (GIMP_TYPE_DYNAMICS_EDITOR,
"menu-factory", menu_factory,
"menu-identifier", "<DynamicsEditor>",
"ui-path", "/dynamics-editor-popup",
"data-factory", context->gimp->dynamics_factory,
"context", context,
"data", gimp_context_get_dynamics (context),
NULL);
}
static void
gimp_brush_tool_oper_update (GimpTool *tool,
const GimpCoords *coords,
GdkModifierType state,
gboolean proximity,
GimpDisplay *display)
{
GimpPaintOptions *paint_options = GIMP_PAINT_TOOL_GET_OPTIONS (tool);
GimpDrawable *drawable;
gimp_draw_tool_pause (GIMP_DRAW_TOOL (tool));
GIMP_TOOL_CLASS (parent_class)->oper_update (tool, coords, state,
proximity, display);
drawable = gimp_image_get_active_drawable (gimp_display_get_image (display));
if (! gimp_color_tool_is_enabled (GIMP_COLOR_TOOL (tool)) &&
drawable && proximity)
{
GimpContext *context = GIMP_CONTEXT (paint_options);
GimpPaintTool *paint_tool = GIMP_PAINT_TOOL (tool);
GimpBrushCore *brush_core = GIMP_BRUSH_CORE (paint_tool->core);
gimp_brush_core_set_brush (brush_core,
gimp_context_get_brush (context));
gimp_brush_core_set_dynamics (brush_core,
gimp_context_get_dynamics (context));
if (GIMP_BRUSH_CORE_GET_CLASS (brush_core)->handles_transforming_brush)
{
gimp_brush_core_eval_transform_dynamics (brush_core,
drawable,
paint_options,
coords);
}
}
gimp_draw_tool_resume (GIMP_DRAW_TOOL (tool));
}
