static void
gimp_blend_tool_options_notify (GimpTool *tool,
GimpToolOptions *options,
const GParamSpec *pspec)
{
GimpContext *context = GIMP_CONTEXT (options);
GimpBlendTool *blend_tool = GIMP_BLEND_TOOL (tool);
if (! strcmp (pspec->name, "gradient"))
{
gimp_blend_tool_set_gradient (blend_tool, context->gradient);
if (blend_tool->filter)
gimp_drawable_filter_apply (blend_tool->filter, NULL);
}
else if (blend_tool->render_node &&
gegl_node_find_property (blend_tool->render_node, pspec->name))
{
/* Sync any property changes on the config object that match the op */
GValue value = G_VALUE_INIT;
g_value_init (&value, pspec->value_type);
g_object_get_property (G_OBJECT (options), pspec->name, &value);
gegl_node_set_property (blend_tool->render_node, pspec->name, &value);
g_value_unset (&value);
if (! strcmp (pspec->name, "gradient-type"))
{
if (gimp_blend_tool_is_shapeburst (blend_tool))
gimp_blend_tool_precalc_shapeburst (blend_tool);
gimp_blend_tool_update_graph (blend_tool);
}
gimp_drawable_filter_apply (blend_tool->filter, NULL);
}
else if (blend_tool->filter &&
! strcmp (pspec->name, "opacity"))
{
gimp_drawable_filter_set_opacity (blend_tool->filter,
gimp_context_get_opacity (context));
}
else if (blend_tool->filter &&
! strcmp (pspec->name, "paint-mode"))
{
gimp_drawable_filter_set_mode (blend_tool->filter,
gimp_context_get_paint_mode (context));
}
}
static void
gimp_blend_tool_active_modifier_key (GimpTool *tool,
GdkModifierType key,
gboolean press,
GdkModifierType state,
GimpDisplay *display)
{
GimpBlendTool *blend_tool = GIMP_BLEND_TOOL (tool);
if (key == gimp_get_constrain_behavior_mask ())
{
gimp_blend_tool_point_motion (blend_tool, press);
gimp_tool_pop_status (tool, display);
gimp_blend_tool_push_status (blend_tool, state, display);
gimp_blend_tool_update_items (blend_tool);
gimp_blend_tool_update_graph (blend_tool);
gimp_drawable_filter_apply (blend_tool->filter, NULL);
}
else if (key == GDK_MOD1_MASK)
{
gimp_tool_pop_status (tool, display);
gimp_blend_tool_push_status (blend_tool, state, display);
}
}
static void
gimp_blend_tool_button_press (GimpTool *tool,
const GimpCoords *coords,
guint32 time,
GdkModifierType state,
GimpButtonPressType press_type,
GimpDisplay *display)
{
GimpBlendTool *blend_tool = GIMP_BLEND_TOOL (tool);
if (tool->display && display != tool->display)
{
gimp_tool_pop_status (tool, tool->display);
gimp_blend_tool_halt (blend_tool);
}
blend_tool->grabbed_point = gimp_blend_tool_get_point_under_cursor (blend_tool);
if (blend_tool->grabbed_point == POINT_NONE &&
! gimp_draw_tool_is_active (GIMP_DRAW_TOOL (tool)))
{
blend_tool->start_x = coords->x;
blend_tool->start_y = coords->y;
if (gimp_blend_tool_is_shapeburst (blend_tool))
{
blend_tool->grabbed_point = POINT_FILL_MODE;
}
else
{
blend_tool->grabbed_point = POINT_INIT_MODE;
}
}
else if ((state & GDK_MOD1_MASK) &&
gimp_draw_tool_is_active (GIMP_DRAW_TOOL (tool)))
{
blend_tool->grabbed_point = POINT_BOTH;
}
gimp_blend_tool_point_motion (blend_tool,
state & gimp_get_constrain_behavior_mask ());
tool->display = display;
gimp_blend_tool_update_items (blend_tool);
if (blend_tool->grabbed_point != POINT_FILL_MODE &&
blend_tool->grabbed_point != POINT_INIT_MODE)
{
gimp_blend_tool_update_graph (blend_tool);
gimp_drawable_filter_apply (blend_tool->filter, NULL);
}
gimp_tool_control_activate (tool->control);
gimp_blend_tool_push_status (blend_tool, state, display);
}
static void
gimp_blend_tool_gradient_dirty (GimpBlendTool *blend_tool)
{
if (! blend_tool->filter)
return;
/* Set a property on the node. Otherwise it will cache and refuse to update */
gegl_node_set (blend_tool->render_node,
"gradient", blend_tool->gradient,
NULL);
/* Update the filter */
gimp_drawable_filter_apply (blend_tool->filter, NULL);
}
static void
gimp_blend_tool_motion (GimpTool *tool,
const GimpCoords *coords,
guint32 time,
GdkModifierType state,
GimpDisplay *display)
{
GimpBlendTool *blend_tool = GIMP_BLEND_TOOL (tool);
/* Save the mouse coordinates from last call */
gdouble last_x = blend_tool->mouse_x;
gdouble last_y = blend_tool->mouse_y;
blend_tool->mouse_x = coords->x;
blend_tool->mouse_y = coords->y;
if (blend_tool->grabbed_point == POINT_FILL_MODE ||
blend_tool->grabbed_point == POINT_INIT_MODE)
{
blend_tool->grabbed_point = POINT_END;
gimp_blend_tool_start (blend_tool, display);
}
/* Move the whole line if alt is pressed */
if (blend_tool->grabbed_point == POINT_BOTH)
{
gdouble dx = last_x - coords->x;
gdouble dy = last_y - coords->y;
blend_tool->start_x -= dx;
blend_tool->start_y -= dy;
blend_tool->end_x -= dx;
blend_tool->end_y -= dy;
}
else
{
gimp_blend_tool_point_motion (blend_tool,
state & gimp_get_constrain_behavior_mask ());
}
gimp_tool_pop_status (tool, display);
gimp_blend_tool_push_status (blend_tool, state, display);
gimp_blend_tool_update_items (blend_tool);
gimp_blend_tool_update_graph (blend_tool);
gimp_drawable_filter_apply (blend_tool->filter, NULL);
}
static void
gimp_warp_tool_stroke_changed (GeglPath *path,
const GeglRectangle *roi,
GimpWarpTool *wt)
{
GimpWarpOptions *options = GIMP_WARP_TOOL_GET_OPTIONS (wt);
GeglRectangle update_region = *roi;
update_region.x -= options->effect_size * 0.5;
update_region.y -= options->effect_size * 0.5;
update_region.width += options->effect_size;
update_region.height += options->effect_size;
#ifdef WARP_DEBUG
g_printerr ("update rect: (%d,%d), %dx%d\n",
update_region.x, update_region.y,
update_region.width, update_region.height);
#endif
gimp_drawable_filter_apply (wt->filter, &update_region);
}
static void
gimp_warp_tool_update_stroke (GimpWarpTool *wt,
GeglNode *node)
{
GeglPath *stroke;
gdouble size;
gegl_node_get (node,
"stroke", &stroke,
"size", &size,
NULL);
if (stroke)
{
gdouble min_x;
gdouble max_x;
gdouble min_y;
gdouble max_y;
GeglRectangle bbox;
gegl_path_get_bounds (stroke, &min_x, &max_x, &min_y, &max_y);
g_object_unref (stroke);
bbox.x = min_x - size * 0.5;
bbox.y = min_y - size * 0.5;
bbox.width = max_x - min_x + size;
bbox.height = max_y - min_y + size;
#ifdef WARP_DEBUG
g_printerr ("update stroke: (%d,%d), %dx%d\n",
bbox.x, bbox.y,
bbox.width, bbox.height);
#endif
gimp_drawable_filter_apply (wt->filter, &bbox);
}
}
static void
gimp_seamless_clone_tool_filter_update (GimpSeamlessCloneTool *sc)
{
GimpTool *tool = GIMP_TOOL (sc);
GimpDisplayShell *shell = gimp_display_get_shell (tool->display);
GimpItem *item = GIMP_ITEM (tool->drawable);
gint x, y;
gint w, h;
gint off_x, off_y;
GeglRectangle visible;
GeglOperation *op = NULL;
GimpProgress *progress;
GeglNode *output;
GeglProcessor *processor;
gdouble value;
progress = gimp_progress_start (GIMP_PROGRESS (sc), FALSE,
_("Cloning the foreground object"));
/* Find out at which x,y is the top left corner of the currently
* displayed part */
gimp_display_shell_untransform_viewport (shell, &x, &y, &w, &h);
/* Find out where is our drawable positioned */
gimp_item_get_offset (item, &off_x, &off_y);
/* Create a rectangle from the intersection of the currently displayed
* part with the drawable */
gimp_rectangle_intersect (x, y, w, h,
off_x,
off_y,
gimp_item_get_width (item),
gimp_item_get_height (item),
&visible.x,
&visible.y,
&visible.width,
&visible.height);
/* Since the filter_apply function receives a rectangle describing
* where it should update the preview, and since that rectangle should
* be relative to the drawable's location, we now offset back by the
* drawable's offsetts. */
visible.x -= off_x;
visible.y -= off_y;
g_object_get (sc->sc_node, "gegl-operation", &op, NULL);
/* If any cache of the visible area was present, clear it!
* We need to clear the cache in the sc_node, since that is
* where the previous paste was located
*/
gegl_operation_invalidate (op, &visible, TRUE);
g_object_unref (op);
/* Now update the image map and show this area */
gimp_drawable_filter_apply (sc->filter, NULL);
/* Show update progress. */
output = gegl_node_get_output_proxy (sc->render_node, "output");
processor = gegl_node_new_processor (output, NULL);
while (gegl_processor_work (processor, &value))
{
if (progress)
gimp_progress_set_value (progress, value);
}
if (progress)
gimp_progress_end (progress);
g_object_unref (processor);
}
void
gimp_drawable_edit_fill (GimpDrawable *drawable,
GimpFillOptions *options,
const gchar *undo_desc)
{
GimpContext *context;
gint x, y, width, height;
g_return_if_fail (GIMP_IS_DRAWABLE (drawable));
g_return_if_fail (gimp_item_is_attached (GIMP_ITEM (drawable)));
g_return_if_fail (GIMP_IS_FILL_OPTIONS (options));
if (! gimp_item_mask_intersect (GIMP_ITEM (drawable),
&x, &y, &width, &height))
{
return; /* nothing to do, but the fill succeeded */
}
context = GIMP_CONTEXT (options);
if (gimp_layer_mode_is_alpha_only (gimp_context_get_paint_mode (context)))
{
if (! gimp_drawable_has_alpha (drawable) ||
! (gimp_drawable_get_active_mask (drawable) &
GIMP_COMPONENT_MASK_ALPHA))
{
return; /* nothing to do, but the fill succeeded */
}
}
if (! undo_desc)
undo_desc = gimp_fill_options_get_undo_desc (options);
/* check if we can fill the drawable's buffer directly */
if (gimp_drawable_edit_can_fill_direct (drawable, options))
{
gimp_drawable_edit_fill_direct (drawable, options, undo_desc);
gimp_drawable_update (drawable, x, y, width, height);
}
else
{
GeglNode *operation;
GimpDrawableFilter *filter;
gdouble opacity;
GimpLayerMode mode;
GimpLayerMode composite_mode;
opacity = gimp_context_get_opacity (context);
mode = gimp_context_get_paint_mode (context);
composite_mode = gimp_layer_mode_get_paint_composite_mode (mode);
operation = gegl_node_new_child (NULL,
"operation", "gimp:fill-source",
"options", options,
"drawable", drawable,
"pattern-offset-x", -x,
"pattern-offset-y", -y,
NULL);
filter = gimp_drawable_filter_new (drawable, undo_desc, operation, NULL);
gimp_drawable_filter_set_opacity (filter, opacity);
gimp_drawable_filter_set_mode (filter,
mode,
GIMP_LAYER_COLOR_SPACE_AUTO,
GIMP_LAYER_COLOR_SPACE_AUTO,
composite_mode);
gimp_drawable_filter_apply (filter, NULL);
gimp_drawable_filter_commit (filter, NULL, FALSE);
g_object_unref (filter);
g_object_unref (operation);
}
}
static void
gimp_warp_tool_animate (GimpWarpTool *wt)
{
GimpTool *tool = GIMP_TOOL (wt);
GimpWarpOptions *options = GIMP_WARP_TOOL_GET_OPTIONS (wt);
GimpImage *orig_image;
GimpImage *image;
GimpLayer *layer;
GimpLayer *first_layer;
GeglNode *scale_node;
GimpProgress *progress;
GtkWidget *widget;
gint i;
if (! gimp_warp_tool_get_undo_desc (tool, tool->display))
{
gimp_tool_message_literal (tool, tool->display,
_("Please add some warp strokes first."));
return;
}
/* get rid of the image map so we can use wt->graph */
if (wt->filter)
{
gimp_drawable_filter_abort (wt->filter);
g_object_unref (wt->filter);
wt->filter = NULL;
}
gimp_progress_start (GIMP_PROGRESS (tool), FALSE,
_("Rendering Frame %d"), 1);
orig_image = gimp_item_get_image (GIMP_ITEM (tool->drawable));
image = gimp_create_image (orig_image->gimp,
gimp_item_get_width (GIMP_ITEM (tool->drawable)),
gimp_item_get_height (GIMP_ITEM (tool->drawable)),
gimp_drawable_get_base_type (tool->drawable),
gimp_drawable_get_precision (tool->drawable),
TRUE);
/* the first frame is always the unwarped image */
layer = GIMP_LAYER (gimp_item_convert (GIMP_ITEM (tool->drawable), image,
GIMP_TYPE_LAYER));
gimp_object_take_name (GIMP_OBJECT (layer),
g_strdup_printf (_("Frame %d"), 1));
gimp_item_set_offset (GIMP_ITEM (layer), 0, 0);
gimp_item_set_visible (GIMP_ITEM (layer), TRUE, FALSE);
gimp_layer_set_mode (layer, GIMP_NORMAL_MODE, FALSE);
gimp_layer_set_opacity (layer, GIMP_OPACITY_OPAQUE, FALSE);
gimp_image_add_layer (image, layer, NULL, 0, FALSE);
first_layer = layer;
scale_node = gegl_node_new_child (NULL,
"operation", "gimp:scalar-multiply",
"n-components", 2,
NULL);
gimp_warp_tool_add_op (wt, scale_node);
progress = gimp_sub_progress_new (GIMP_PROGRESS (tool));
for (i = 1; i < options->n_animation_frames; i++)
{
gimp_progress_set_text (GIMP_PROGRESS (tool),
_("Rendering Frame %d"), i + 1);
gimp_sub_progress_set_step (GIMP_SUB_PROGRESS (progress),
i, options->n_animation_frames);
layer = GIMP_LAYER (gimp_item_duplicate (GIMP_ITEM (first_layer),
GIMP_TYPE_LAYER));
gimp_object_take_name (GIMP_OBJECT (layer),
g_strdup_printf (_("Frame %d"), i + 1));
gegl_node_set (scale_node,
"factor", (gdouble) i /
(gdouble) (options->n_animation_frames - 1),
NULL);
gimp_gegl_apply_operation (gimp_drawable_get_buffer (GIMP_DRAWABLE (first_layer)),
progress,
_("Frame"),
wt->graph,
gimp_drawable_get_buffer (GIMP_DRAWABLE (layer)),
NULL);
gimp_image_add_layer (image, layer, NULL, 0, FALSE);
}
g_object_unref (progress);
gimp_warp_tool_remove_op (wt, scale_node);
gimp_progress_end (GIMP_PROGRESS (tool));
/* recreate the image map */
gimp_warp_tool_create_filter (wt, tool->drawable);
gimp_drawable_filter_apply (wt->filter, NULL);
widget = GTK_WIDGET (gimp_display_get_shell (tool->display));
gimp_create_display (orig_image->gimp, image, GIMP_UNIT_PIXEL, 1.0,
G_OBJECT (gtk_widget_get_screen (widget)),
gimp_widget_get_monitor (widget));
g_object_unref (image);
}
