static void
gimp_image_map_tool_guide_moved (GimpGuide *guide,
const GParamSpec *pspec,
GimpImageMapTool *im_tool)
{
GimpImageMapOptions *options = GIMP_IMAGE_MAP_TOOL_GET_OPTIONS (im_tool);
GimpItem *item = GIMP_ITEM (im_tool->drawable);
gdouble position;
if (options->preview_alignment == GIMP_ALIGN_LEFT ||
options->preview_alignment == GIMP_ALIGN_RIGHT)
{
position = ((gdouble) (gimp_guide_get_position (guide) -
gimp_item_get_offset_x (item)) /
(gdouble) gimp_item_get_width (item));
}
else
{
position = ((gdouble) (gimp_guide_get_position (guide) -
gimp_item_get_offset_y (item)) /
(gdouble) gimp_item_get_height (item));
}
g_object_set (options,
"preview-position", CLAMP (position, 0.0, 1.0),
NULL);
}
/*
* Position the dropped item in the middle of the viewport.
*/
static void
gimp_display_shell_dnd_position_item (GimpDisplayShell *shell,
GimpImage *image,
GimpItem *item)
{
gint item_width = gimp_item_get_width (item);
gint item_height = gimp_item_get_height (item);
gint off_x, off_y;
if (item_width >= gimp_image_get_width (image) &&
item_height >= gimp_image_get_height (image))
{
off_x = (gimp_image_get_width (image) - item_width) / 2;
off_y = (gimp_image_get_height (image) - item_height) / 2;
}
else
{
gint x, y;
gint width, height;
gimp_display_shell_untransform_viewport (shell, &x, &y, &width, &height);
off_x = x + (width - item_width) / 2;
off_y = y + (height - item_height) / 2;
}
gimp_item_translate (item,
off_x - gimp_item_get_offset_x (item),
off_y - gimp_item_get_offset_y (item),
FALSE);
}
void
gimp_image_resize_to_layers (GimpImage *image,
GimpContext *context,
GimpProgress *progress)
{
GList *list;
GimpItem *item;
gint x, y;
gint width, height;
g_return_if_fail (GIMP_IS_IMAGE (image));
g_return_if_fail (GIMP_IS_CONTEXT (context));
g_return_if_fail (progress == NULL || GIMP_IS_PROGRESS (progress));
list = gimp_image_get_layer_iter (image);
if (! list)
return;
/* figure out starting values */
item = list->data;
x = gimp_item_get_offset_x (item);
y = gimp_item_get_offset_y (item);
width = gimp_item_get_width (item);
height = gimp_item_get_height (item);
/* Respect all layers */
for (list = g_list_next (list); list; list = g_list_next (list))
{
item = list->data;
gimp_rectangle_union (x, y,
width, height,
gimp_item_get_offset_x (item),
gimp_item_get_offset_y (item),
gimp_item_get_width (item),
gimp_item_get_height (item),
&x, &y,
&width, &height);
}
gimp_image_resize (image, context,
width, height, -x, -y,
progress);
}
static void
gimp_image_map_tool_add_guide (GimpImageMapTool *im_tool)
{
GimpImageMapOptions *options = GIMP_IMAGE_MAP_TOOL_GET_OPTIONS (im_tool);
GimpItem *item;
GimpImage *image;
GimpOrientationType orientation;
gint position;
if (im_tool->percent_guide)
return;
item = GIMP_ITEM (im_tool->drawable);
image = gimp_item_get_image (item);
if (options->preview_alignment == GIMP_ALIGN_LEFT ||
options->preview_alignment == GIMP_ALIGN_RIGHT)
{
orientation = GIMP_ORIENTATION_VERTICAL;
position = (gimp_item_get_offset_x (item) +
gimp_item_get_width (item) *
options->preview_position);
}
else
{
orientation = GIMP_ORIENTATION_HORIZONTAL;
position = (gimp_item_get_offset_y (item) +
gimp_item_get_height (item) *
options->preview_position);
}
im_tool->percent_guide = gimp_guide_custom_new (orientation,
image->gimp->next_guide_ID++,
GIMP_GUIDE_STYLE_SPLIT_VIEW);
gimp_image_add_guide (image, im_tool->percent_guide, position);
g_signal_connect (im_tool->percent_guide, "removed",
G_CALLBACK (gimp_image_map_tool_guide_removed),
im_tool);
g_signal_connect (im_tool->percent_guide, "notify::position",
G_CALLBACK (gimp_image_map_tool_guide_moved),
im_tool);
}
static void
gimp_image_map_tool_move_guide (GimpImageMapTool *im_tool)
{
GimpImageMapOptions *options = GIMP_IMAGE_MAP_TOOL_GET_OPTIONS (im_tool);
GimpItem *item;
GimpOrientationType orientation;
gint position;
if (! im_tool->percent_guide)
return;
item = GIMP_ITEM (im_tool->drawable);
if (options->preview_alignment == GIMP_ALIGN_LEFT ||
options->preview_alignment == GIMP_ALIGN_RIGHT)
{
orientation = GIMP_ORIENTATION_VERTICAL;
position = (gimp_item_get_offset_x (item) +
gimp_item_get_width (item) *
options->preview_position);
}
else
{
orientation = GIMP_ORIENTATION_HORIZONTAL;
position = (gimp_item_get_offset_y (item) +
gimp_item_get_height (item) *
options->preview_position);
}
if (orientation != gimp_guide_get_orientation (im_tool->percent_guide) ||
position != gimp_guide_get_position (im_tool->percent_guide))
{
gimp_guide_set_orientation (im_tool->percent_guide, orientation);
gimp_image_move_guide (gimp_item_get_image (item),
im_tool->percent_guide, position, FALSE);
}
}
static void
gimp_image_map_tool_options_notify (GimpTool *tool,
GimpToolOptions *options,
const GParamSpec *pspec)
{
GimpImageMapTool *im_tool = GIMP_IMAGE_MAP_TOOL (tool);
GimpImageMapOptions *im_options = GIMP_IMAGE_MAP_OPTIONS (options);
if (! strcmp (pspec->name, "preview") &&
im_tool->image_map)
{
if (im_options->preview)
{
gimp_tool_control_push_preserve (tool->control, TRUE);
gimp_image_map_apply (im_tool->image_map, NULL);
gimp_tool_control_pop_preserve (tool->control);
if (im_options->preview_split)
gimp_image_map_tool_add_guide (im_tool);
}
else
{
gimp_tool_control_push_preserve (tool->control, TRUE);
gimp_image_map_abort (im_tool->image_map);
gimp_tool_control_pop_preserve (tool->control);
if (im_options->preview_split)
gimp_image_map_tool_remove_guide (im_tool);
}
}
else if (! strcmp (pspec->name, "preview-split") &&
im_tool->image_map)
{
if (im_options->preview_split)
{
GimpDisplayShell *shell = gimp_display_get_shell (tool->display);
GimpItem *item = GIMP_ITEM (im_tool->drawable);
gint x, y, width, height;
gimp_display_shell_untransform_viewport (shell,
&x, &y, &width, &height);
if (gimp_rectangle_intersect (gimp_item_get_offset_x (item),
gimp_item_get_offset_y (item),
gimp_item_get_width (item),
gimp_item_get_height (item),
x, y, width, height,
&x, &y, &width, &height))
{
gdouble position;
if (im_options->preview_alignment == GIMP_ALIGN_LEFT ||
im_options->preview_alignment == GIMP_ALIGN_RIGHT)
{
position = ((gdouble) ((x + width / 2) -
gimp_item_get_offset_x (item)) /
(gdouble) gimp_item_get_width (item));
}
else
{
position = ((gdouble) ((y + height / 2) -
gimp_item_get_offset_y (item)) /
(gdouble) gimp_item_get_height (item));
}
g_object_set (options,
"preview-position", CLAMP (position, 0.0, 1.0),
NULL);
}
}
gimp_image_map_set_preview (im_tool->image_map,
im_options->preview_split,
im_options->preview_alignment,
im_options->preview_position);
if (im_options->preview_split)
gimp_image_map_tool_add_guide (im_tool);
else
gimp_image_map_tool_remove_guide (im_tool);
}
else if (! strcmp (pspec->name, "preview-alignment") &&
im_tool->image_map)
{
gimp_image_map_set_preview (im_tool->image_map,
im_options->preview_split,
im_options->preview_alignment,
im_options->preview_position);
if (im_options->preview_split)
gimp_image_map_tool_move_guide (im_tool);
}
else if (! strcmp (pspec->name, "preview-position") &&
im_tool->image_map)
{
gimp_image_map_set_preview (im_tool->image_map,
im_options->preview_split,
im_options->preview_alignment,
im_options->preview_position);
if (im_options->preview_split)
gimp_image_map_tool_move_guide (im_tool);
}
else if (! strcmp (pspec->name, "region") &&
im_tool->image_map)
{
gimp_image_map_set_region (im_tool->image_map, im_options->region);
gimp_image_map_tool_preview (im_tool);
}
}
static void
gimp_image_map_tool_button_press (GimpTool *tool,
const GimpCoords *coords,
guint32 time,
GdkModifierType state,
GimpButtonPressType press_type,
GimpDisplay *display)
{
GimpImageMapTool *im_tool = GIMP_IMAGE_MAP_TOOL (tool);
if (! gimp_image_map_tool_on_guide (im_tool, coords, display))
{
GIMP_TOOL_CLASS (parent_class)->button_press (tool, coords, time, state,
press_type, display);
}
else
{
GimpImageMapOptions *options = GIMP_IMAGE_MAP_TOOL_GET_OPTIONS (tool);
if (state & gimp_get_extend_selection_mask ())
{
GimpAlignmentType alignment;
/* switch side */
switch (options->preview_alignment)
{
case GIMP_ALIGN_LEFT: alignment = GIMP_ALIGN_RIGHT; break;
case GIMP_ALIGN_RIGHT: alignment = GIMP_ALIGN_LEFT; break;
case GIMP_ALIGN_TOP: alignment = GIMP_ALIGN_BOTTOM; break;
case GIMP_ALIGN_BOTTOM: alignment = GIMP_ALIGN_TOP; break;
default:
g_return_if_reached ();
}
g_object_set (options, "preview-alignment", alignment, NULL);
}
else if (state & gimp_get_toggle_behavior_mask ())
{
GimpItem *item = GIMP_ITEM (im_tool->drawable);
GimpAlignmentType alignment;
gdouble position;
/* switch orientation */
switch (options->preview_alignment)
{
case GIMP_ALIGN_LEFT: alignment = GIMP_ALIGN_TOP; break;
case GIMP_ALIGN_RIGHT: alignment = GIMP_ALIGN_BOTTOM; break;
case GIMP_ALIGN_TOP: alignment = GIMP_ALIGN_LEFT; break;
case GIMP_ALIGN_BOTTOM: alignment = GIMP_ALIGN_RIGHT; break;
default:
g_return_if_reached ();
}
if (alignment == GIMP_ALIGN_LEFT ||
alignment == GIMP_ALIGN_RIGHT)
{
position = ((coords->x - gimp_item_get_offset_x (item)) /
gimp_item_get_width (item));
}
else
{
position = ((coords->y - gimp_item_get_offset_y (item)) /
gimp_item_get_height (item));
}
g_object_set (options,
"preview-alignment", alignment,
"preview-position", CLAMP (position, 0.0, 1.0),
NULL);
}
else
{
gimp_guide_tool_start_edit (tool, display,
im_tool->percent_guide);
}
}
}