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_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);
blend_tool->mouse_x = coords->x;
blend_tool->mouse_y = coords->y;
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)
{
if (gimp_draw_tool_is_active (GIMP_DRAW_TOOL (blend_tool)))
{
gimp_tool_control (tool, GIMP_TOOL_ACTION_COMMIT, display);
gimp_tool_control (tool, GIMP_TOOL_ACTION_HALT, display);
}
if (gimp_blend_tool_is_shapeburst (blend_tool))
{
blend_tool->grabbed_point = POINT_FILL_MODE;
}
else
{
blend_tool->grabbed_point = POINT_INIT_MODE;
blend_tool->start_x = coords->x;
blend_tool->start_y = coords->y;
}
}
gimp_blend_tool_point_motion (blend_tool,
state & gimp_get_constrain_behavior_mask ());
/*
* gimp_blend_tool_start comes after determining what point is grabbed, so
* whenever we're starting the tool, gimp_blend_tool_get_point_under_cursor()
* returns POINT_NONE
*/
if (! tool->display)
gimp_blend_tool_start (blend_tool, display);
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_preview_coords (blend_tool);
gimp_image_map_apply (blend_tool->image_map, NULL);
}
gimp_tool_control_activate (tool->control);
gimp_blend_tool_push_status (blend_tool, state, display);
}