static void
gimp_blend_tool_update_item_hilight (GimpBlendTool *blend_tool)
{
GimpDrawTool *draw_tool = GIMP_DRAW_TOOL (blend_tool);
if (gimp_draw_tool_is_active (draw_tool))
{
GimpBlendToolPoint hilight_point;
gboolean start_visible, end_visible;
/* Calculate handle visibility */
if (blend_tool->grabbed_point)
{
start_visible = FALSE;
end_visible = FALSE;
}
else
{
gdouble dist;
dist = gimp_draw_tool_calc_distance_square (draw_tool,
draw_tool->display,
blend_tool->mouse_x,
blend_tool->mouse_y,
blend_tool->start_x,
blend_tool->start_y);
start_visible = dist < FULL_HANDLE_THRESHOLD_SQ;
dist = gimp_draw_tool_calc_distance_square (draw_tool,
draw_tool->display,
blend_tool->mouse_x,
blend_tool->mouse_y,
blend_tool->end_x,
blend_tool->end_y);
end_visible = dist < FULL_HANDLE_THRESHOLD_SQ;
}
gimp_canvas_item_set_visible (blend_tool->start_handle_circle,
start_visible);
gimp_canvas_item_set_visible (blend_tool->end_handle_circle,
end_visible);
/* Update hilights */
if (blend_tool->grabbed_point)
hilight_point = blend_tool->grabbed_point;
else
hilight_point = gimp_blend_tool_get_point_under_cursor (blend_tool);
gimp_canvas_item_set_highlight (blend_tool->start_handle_circle,
hilight_point == POINT_START);
gimp_canvas_item_set_highlight (blend_tool->start_handle_cross,
hilight_point == POINT_START);
gimp_canvas_item_set_highlight (blend_tool->end_handle_circle,
hilight_point == POINT_END);
gimp_canvas_item_set_highlight (blend_tool->end_handle_cross,
hilight_point == POINT_END);
}
}
void
gimp_display_shell_items_init (GimpDisplayShell *shell)
{
g_return_if_fail (GIMP_IS_DISPLAY_SHELL (shell));
shell->canvas_item = gimp_canvas_group_new (shell);
shell->passe_partout = gimp_canvas_passe_partout_new (shell, 0, 0, 0, 0);
gimp_canvas_item_set_visible (shell->passe_partout, FALSE);
gimp_display_shell_add_item (shell, shell->passe_partout);
g_object_unref (shell->passe_partout);
shell->preview_items = gimp_canvas_group_new (shell);
gimp_display_shell_add_item (shell, shell->preview_items);
g_object_unref (shell->preview_items);
shell->vectors = gimp_canvas_proxy_group_new (shell);
gimp_display_shell_add_item (shell, shell->vectors);
g_object_unref (shell->vectors);
shell->grid = gimp_canvas_grid_new (shell, NULL);
gimp_canvas_item_set_visible (shell->grid, FALSE);
g_object_set (shell->grid, "grid-style", TRUE, NULL);
gimp_display_shell_add_item (shell, shell->grid);
g_object_unref (shell->grid);
shell->guides = gimp_canvas_proxy_group_new (shell);
gimp_display_shell_add_item (shell, shell->guides);
g_object_unref (shell->guides);
shell->sample_points = gimp_canvas_proxy_group_new (shell);
gimp_display_shell_add_item (shell, shell->sample_points);
g_object_unref (shell->sample_points);
shell->layer_boundary = gimp_canvas_layer_boundary_new (shell);
gimp_canvas_item_set_visible (shell->layer_boundary, FALSE);
gimp_display_shell_add_item (shell, shell->layer_boundary);
g_object_unref (shell->layer_boundary);
shell->tool_items = gimp_canvas_group_new (shell);
gimp_display_shell_add_item (shell, shell->tool_items);
g_object_unref (shell->tool_items);
g_signal_connect (shell->canvas_item, "update",
G_CALLBACK (gimp_display_shell_item_update),
shell);
shell->unrotated_item = gimp_canvas_group_new (shell);
shell->cursor = gimp_canvas_cursor_new (shell);
gimp_canvas_item_set_visible (shell->cursor, FALSE);
gimp_display_shell_add_unrotated_item (shell, shell->cursor);
g_object_unref (shell->cursor);
g_signal_connect (shell->unrotated_item, "update",
G_CALLBACK (gimp_display_shell_unrotated_item_update),
shell);
}
void
gimp_display_shell_clear_software_cursor (GimpDisplayShell *shell)
{
GimpStatusbar *statusbar;
GimpSessionInfo *session_info;
g_return_if_fail (GIMP_IS_DISPLAY_SHELL (shell));
gimp_canvas_item_set_visible (shell->cursor, FALSE);
statusbar = gimp_display_shell_get_statusbar (shell);
gimp_statusbar_clear_cursor (statusbar);
session_info = gimp_dialog_factory_find_session_info (gimp_dialog_factory_get_singleton (),
"gimp-cursor-view");
if (session_info && gimp_session_info_get_widget (session_info))
{
GtkWidget *cursor_view;
cursor_view = gtk_bin_get_child (GTK_BIN (gimp_session_info_get_widget (session_info)));
if (cursor_view)
gimp_cursor_view_clear_cursor (GIMP_CURSOR_VIEW (cursor_view));
}
}
static void
gimp_blend_tool_draw (GimpDrawTool *draw_tool)
{
GimpBlendTool *blend_tool = GIMP_BLEND_TOOL (draw_tool);
if (blend_tool->grabbed_point != POINT_FILL_MODE &&
blend_tool->grabbed_point != POINT_INIT_MODE)
{
blend_tool->line =
gimp_draw_tool_add_line (draw_tool,
blend_tool->start_x,
blend_tool->start_y,
blend_tool->end_x,
blend_tool->end_y);
gimp_canvas_item_set_visible (blend_tool->line, SHOW_LINE);
blend_tool->start_handle_circle =
gimp_draw_tool_add_handle (draw_tool,
GIMP_HANDLE_CIRCLE,
blend_tool->start_x,
blend_tool->start_y,
HANDLE_DIAMETER,
HANDLE_DIAMETER,
GIMP_HANDLE_ANCHOR_CENTER);
blend_tool->start_handle_cross =
gimp_draw_tool_add_handle (draw_tool,
GIMP_HANDLE_CROSS,
blend_tool->start_x,
blend_tool->start_y,
HANDLE_CROSS_DIAMETER,
HANDLE_CROSS_DIAMETER,
GIMP_HANDLE_ANCHOR_CENTER);
blend_tool->end_handle_circle =
gimp_draw_tool_add_handle (draw_tool,
GIMP_HANDLE_CIRCLE,
blend_tool->end_x,
blend_tool->end_y,
HANDLE_DIAMETER,
HANDLE_DIAMETER,
GIMP_HANDLE_ANCHOR_CENTER);
blend_tool->end_handle_cross =
gimp_draw_tool_add_handle (draw_tool,
GIMP_HANDLE_CROSS,
blend_tool->end_x,
blend_tool->end_y,
HANDLE_CROSS_DIAMETER,
HANDLE_CROSS_DIAMETER,
GIMP_HANDLE_ANCHOR_CENTER);
gimp_blend_tool_update_item_hilight (blend_tool);
}
}
static void
gimp_display_shell_vectors_visible_handler (GimpVectors *vectors,
GimpDisplayShell *shell)
{
GimpCanvasProxyGroup *group = GIMP_CANVAS_PROXY_GROUP (shell->vectors);
GimpCanvasItem *item;
item = gimp_canvas_proxy_group_get_item (group, vectors);
gimp_canvas_item_set_visible (item,
gimp_item_get_visible (GIMP_ITEM (vectors)));
}
static void
gimp_display_shell_vectors_add_handler (GimpContainer *container,
GimpVectors *vectors,
GimpDisplayShell *shell)
{
GimpCanvasProxyGroup *group = GIMP_CANVAS_PROXY_GROUP (shell->vectors);
GimpCanvasItem *item;
item = gimp_canvas_path_new (shell,
gimp_vectors_get_bezier (vectors),
0, 0,
FALSE,
GIMP_PATH_STYLE_VECTORS);
gimp_canvas_item_set_visible (item,
gimp_item_get_visible (GIMP_ITEM (vectors)));
gimp_canvas_proxy_group_add_item (group, vectors, item);
g_object_unref (item);
}
void
gimp_display_shell_update_software_cursor (GimpDisplayShell *shell,
GimpCursorPrecision precision,
gint display_x,
gint display_y,
gdouble image_x,
gdouble image_y)
{
GimpStatusbar *statusbar;
GimpSessionInfo *session_info;
GimpImage *image;
g_return_if_fail (GIMP_IS_DISPLAY_SHELL (shell));
image = gimp_display_get_image (shell->display);
if (shell->draw_cursor &&
shell->proximity &&
display_x >= 0 &&
display_y >= 0)
{
gimp_canvas_item_begin_change (shell->cursor);
gimp_canvas_cursor_set (shell->cursor,
display_x,
display_y);
gimp_canvas_item_set_visible (shell->cursor, TRUE);
gimp_canvas_item_end_change (shell->cursor);
}
else
{
gimp_canvas_item_set_visible (shell->cursor, FALSE);
}
/* use the passed image_coords for the statusbar because they are
* possibly snapped...
*/
statusbar = gimp_display_shell_get_statusbar (shell);
gimp_statusbar_update_cursor (statusbar, precision, image_x, image_y);
session_info = gimp_dialog_factory_find_session_info (gimp_dialog_factory_get_singleton (),
"gimp-cursor-view");
if (session_info && gimp_session_info_get_widget (session_info))
{
GtkWidget *cursor_view;
cursor_view = gtk_bin_get_child (GTK_BIN (gimp_session_info_get_widget (session_info)));
if (cursor_view)
{
gint t_x = -1;
gint t_y = -1;
/* ...but use the unsnapped display_coords for the info window */
if (display_x >= 0 && display_y >= 0)
gimp_display_shell_untransform_xy (shell, display_x, display_y,
&t_x, &t_y, FALSE);
gimp_cursor_view_update_cursor (GIMP_CURSOR_VIEW (cursor_view),
image, shell->unit,
t_x, t_y);
}
}
}
static void
gimp_blend_tool_update_item_hilight (GimpBlendTool *blend_tool)
{
GimpDrawTool *draw_tool = GIMP_DRAW_TOOL (blend_tool);
if (gimp_draw_tool_is_active (draw_tool))
{
GimpBlendToolPoint hilight_point;
gboolean start_visible, end_visible;
gint start_diameter, end_diameter;
/* Calculate handle visibility */
if (blend_tool->grabbed_point)
{
start_visible = FALSE;
end_visible = FALSE;
}
else
{
gdouble dist;
dist = gimp_draw_tool_calc_distance_square (draw_tool,
draw_tool->display,
blend_tool->mouse_x,
blend_tool->mouse_y,
blend_tool->start_x,
blend_tool->start_y);
start_diameter = calc_handle_diameter (dist);
start_visible = start_diameter > 2;
dist = gimp_draw_tool_calc_distance_square (draw_tool,
draw_tool->display,
blend_tool->mouse_x,
blend_tool->mouse_y,
blend_tool->end_x,
blend_tool->end_y);
end_diameter = calc_handle_diameter (dist);
end_visible = end_diameter > 2;
}
gimp_canvas_item_set_visible (blend_tool->start_handle_circle,
start_visible);
gimp_canvas_item_set_visible (blend_tool->end_handle_circle,
end_visible);
/* Update hilights */
if (blend_tool->grabbed_point)
hilight_point = blend_tool->grabbed_point;
else
hilight_point = gimp_blend_tool_get_point_under_cursor (blend_tool);
if (start_visible)
{
gimp_canvas_item_begin_change (blend_tool->start_handle_circle);
g_object_set (blend_tool->start_handle_circle,
"width", start_diameter,
"height", start_diameter,
NULL);
gimp_canvas_item_end_change (blend_tool->start_handle_circle);
}
if (end_visible)
{
gimp_canvas_item_begin_change (blend_tool->end_handle_circle);
g_object_set (blend_tool->end_handle_circle,
"width", end_diameter,
"height", end_diameter,
NULL);
gimp_canvas_item_end_change (blend_tool->end_handle_circle);
}
gimp_canvas_item_set_highlight (blend_tool->start_handle_circle,
hilight_point == POINT_START);
gimp_canvas_item_set_highlight (blend_tool->start_handle_cross,
hilight_point == POINT_START);
gimp_canvas_item_set_highlight (blend_tool->end_handle_circle,
hilight_point == POINT_END);
gimp_canvas_item_set_highlight (blend_tool->end_handle_cross,
hilight_point == POINT_END);
}
}
