/**
* gimp_display_shell_scroll_center_image_xy:
* @shell:
* @image_x:
* @image_y:
*
* Center the viewport around the passed image coordinate
**/
void
gimp_display_shell_scroll_center_image_xy (GimpDisplayShell *shell,
gdouble image_x,
gdouble image_y)
{
gint viewport_x;
gint viewport_y;
gimp_display_shell_transform_xy (shell,
image_x, image_y,
&viewport_x, &viewport_y);
gimp_display_shell_scroll (shell,
viewport_x - shell->disp_width / 2,
viewport_y - shell->disp_height / 2);
}
static void
gimp_color_tool_motion (GimpTool *tool,
const GimpCoords *coords,
guint32 time,
GdkModifierType state,
GimpDisplay *display)
{
GimpColorTool *color_tool = GIMP_COLOR_TOOL (tool);
GimpDisplayShell *shell = gimp_display_get_shell (display);
if (! color_tool->enabled)
return;
if (color_tool->moving_sample_point)
{
gint tx, ty;
gboolean delete_point = FALSE;
gimp_draw_tool_pause (GIMP_DRAW_TOOL (tool));
gimp_display_shell_transform_xy (shell,
coords->x, coords->y,
&tx, &ty);
if (tx < 0 || tx > shell->disp_width ||
ty < 0 || ty > shell->disp_height)
{
color_tool->sample_point_x = SAMPLE_POINT_POSITION_INVALID;
color_tool->sample_point_y = SAMPLE_POINT_POSITION_INVALID;
delete_point = TRUE;
}
else
{
GimpImage *image = gimp_display_get_image (display);
gint width = gimp_image_get_width (image);
gint height = gimp_image_get_height (image);
color_tool->sample_point_x = floor (coords->x);
color_tool->sample_point_y = floor (coords->y);
if (color_tool->sample_point_x < 0 ||
color_tool->sample_point_x >= width ||
color_tool->sample_point_y < 0 ||
color_tool->sample_point_y >= height)
{
delete_point = TRUE;
}
}
gimp_draw_tool_resume (GIMP_DRAW_TOOL (tool));
gimp_tool_pop_status (tool, display);
if (delete_point)
{
gimp_tool_push_status (tool, display,
color_tool->sample_point ?
_("Remove Sample Point") :
_("Cancel Sample Point"));
}
else
{
gimp_tool_push_status_coords (tool, display,
gimp_tool_control_get_precision (tool->control),
color_tool->sample_point ?
_("Move Sample Point: ") :
_("Add Sample Point: "),
color_tool->sample_point_x,
", ",
color_tool->sample_point_y,
NULL);
}
}
else
{
gimp_draw_tool_pause (GIMP_DRAW_TOOL (tool));
color_tool->center_x = coords->x;
color_tool->center_y = coords->y;
gimp_draw_tool_resume (GIMP_DRAW_TOOL (tool));
gimp_color_tool_pick (color_tool, GIMP_COLOR_PICK_STATE_UPDATE,
coords->x, coords->y);
}
}
static void
gimp_move_tool_motion (GimpTool *tool,
const GimpCoords *coords,
guint32 time,
GdkModifierType state,
GimpDisplay *display)
{
GimpMoveTool *move = GIMP_MOVE_TOOL (tool);
GimpDisplayShell *shell = gimp_display_get_shell (display);
if (move->moving_guide)
{
gint tx, ty;
gboolean delete_guide = FALSE;
gimp_draw_tool_pause (GIMP_DRAW_TOOL (tool));
gimp_display_shell_transform_xy (shell,
coords->x, coords->y,
&tx, &ty);
if (tx < 0 || tx >= shell->disp_width ||
ty < 0 || ty >= shell->disp_height)
{
move->guide_position = GUIDE_POSITION_INVALID;
delete_guide = TRUE;
}
else
{
gint x, y, width, height;
if (move->guide_orientation == GIMP_ORIENTATION_HORIZONTAL)
move->guide_position = RINT (coords->y);
else
move->guide_position = RINT (coords->x);
gimp_display_shell_untransform_viewport (shell, &x, &y,
&width, &height);
switch (move->guide_orientation)
{
case GIMP_ORIENTATION_HORIZONTAL:
if ((move->guide_position < y) ||
(move->guide_position > (y + height)))
delete_guide = TRUE;
break;
case GIMP_ORIENTATION_VERTICAL:
if ((move->guide_position < x) ||
(move->guide_position > (x + width)))
delete_guide = TRUE;
break;
default:
break;
}
}
gimp_draw_tool_resume (GIMP_DRAW_TOOL (tool));
gimp_tool_pop_status (tool, display);
if (delete_guide)
{
gimp_tool_push_status (tool, display,
move->guide ?
_("Remove Guide") : _("Cancel Guide"));
}
else
{
gimp_tool_push_status_length (tool, display,
move->guide ?
_("Move Guide: ") : _("Add Guide: "),
SWAP_ORIENT (move->guide_orientation),
move->guide_position,
NULL);
}
}
}
static void
gimp_guide_tool_motion (GimpTool *tool,
const GimpCoords *coords,
guint32 time,
GdkModifierType state,
GimpDisplay *display)
{
GimpGuideTool *guide_tool = GIMP_GUIDE_TOOL (tool);
GimpDisplayShell *shell = gimp_display_get_shell (display);
GimpImage *image = gimp_display_get_image (display);
gboolean delete_guide = FALSE;
gint max_position;
gint tx, ty;
gimp_draw_tool_pause (GIMP_DRAW_TOOL (tool));
gimp_display_shell_transform_xy (shell,
coords->x, coords->y,
&tx, &ty);
if (guide_tool->guide_orientation == GIMP_ORIENTATION_HORIZONTAL)
max_position = gimp_image_get_height (image);
else
max_position = gimp_image_get_width (image);
if (tx < 0 || tx >= shell->disp_width ||
ty < 0 || ty >= shell->disp_height)
{
guide_tool->guide_position = GIMP_GUIDE_POSITION_UNDEFINED;
delete_guide = TRUE;
}
else
{
if (guide_tool->guide_orientation == GIMP_ORIENTATION_HORIZONTAL)
guide_tool->guide_position = RINT (coords->y);
else
guide_tool->guide_position = RINT (coords->x);
if (guide_tool->guide_position < 0 ||
guide_tool->guide_position > max_position)
{
delete_guide = TRUE;
}
}
gimp_draw_tool_resume (GIMP_DRAW_TOOL (tool));
gimp_tool_pop_status (tool, display);
/* custom guides are moved live */
if (guide_tool->guide_custom &&
guide_tool->guide_position != GIMP_GUIDE_POSITION_UNDEFINED)
{
gimp_image_move_guide (image, guide_tool->guide,
CLAMP (guide_tool->guide_position,
0, max_position), TRUE);
}
if (delete_guide)
{
gimp_tool_push_status (tool, display,
guide_tool->guide ?
_("Remove Guide") : _("Cancel Guide"));
}
else if (guide_tool->guide)
{
gimp_tool_push_status_length (tool, display,
_("Move Guide: "),
SWAP_ORIENT (guide_tool->guide_orientation),
guide_tool->guide_position -
guide_tool->guide_old_position,
NULL);
}
else
{
gimp_tool_push_status_length (tool, display,
_("Add Guide: "),
SWAP_ORIENT (guide_tool->guide_orientation),
guide_tool->guide_position,
NULL);
}
}
static void
gimp_color_tool_motion (GimpTool *tool,
GimpCoords *coords,
guint32 time,
GdkModifierType state,
GimpDisplay *display)
{
GimpColorTool *color_tool = GIMP_COLOR_TOOL (tool);
GimpDisplayShell *shell = GIMP_DISPLAY_SHELL (display->shell);
if (! color_tool->enabled)
return;
if (color_tool->moving_sample_point)
{
gint tx, ty;
gboolean delete_point = FALSE;
gimp_draw_tool_pause (GIMP_DRAW_TOOL (tool));
gimp_display_shell_transform_xy (shell,
coords->x, coords->y,
&tx, &ty,
FALSE);
if (tx < 0 || tx > shell->disp_width ||
ty < 0 || ty > shell->disp_height)
{
color_tool->sample_point_x = -1;
color_tool->sample_point_y = -1;
delete_point = TRUE;
}
else
{
gint x, y, width, height;
color_tool->sample_point_x = floor (coords->x);
color_tool->sample_point_y = floor (coords->y);
gimp_display_shell_untransform_viewport (shell, &x, &y,
&width, &height);
if ((color_tool->sample_point_x < x ||
color_tool->sample_point_x > (x + width - 1) ||
color_tool->sample_point_y < y ||
color_tool->sample_point_y > (y + height - 1)))
{
delete_point = TRUE;
}
}
gimp_draw_tool_resume (GIMP_DRAW_TOOL (tool));
gimp_tool_pop_status (tool, display);
if (delete_point)
{
gimp_tool_push_status (tool, display,
color_tool->sample_point ?
_("Remove Sample Point") :
_("Cancel Sample Point"));
}
else
{
gimp_tool_push_status_coords (tool, display,
color_tool->sample_point ?
_("Move Sample Point: ") :
_("Add Sample Point: "),
color_tool->sample_point_x,
", ",
color_tool->sample_point_y,
NULL);
}
}
else
{
gint off_x, off_y;
gimp_draw_tool_pause (GIMP_DRAW_TOOL (tool));
gimp_item_offsets (GIMP_ITEM (tool->drawable), &off_x, &off_y);
color_tool->center_x = coords->x - off_x;
color_tool->center_y = coords->y - off_y;
gimp_draw_tool_resume (GIMP_DRAW_TOOL (tool));
gimp_color_tool_pick (color_tool, GIMP_COLOR_PICK_STATE_UPDATE,
coords->x, coords->y);
}
}
static void
gimp_sample_point_tool_motion (GimpTool *tool,
const GimpCoords *coords,
guint32 time,
GdkModifierType state,
GimpDisplay *display)
{
GimpSamplePointTool *sp_tool = GIMP_SAMPLE_POINT_TOOL (tool);
GimpDisplayShell *shell = gimp_display_get_shell (display);
gboolean delete_point = FALSE;
gint tx, ty;
gimp_draw_tool_pause (GIMP_DRAW_TOOL (tool));
gimp_display_shell_transform_xy (shell,
coords->x, coords->y,
&tx, &ty);
if (tx < 0 || tx >= shell->disp_width ||
ty < 0 || ty >= shell->disp_height)
{
sp_tool->sample_point_x = GIMP_SAMPLE_POINT_POSITION_UNDEFINED;
sp_tool->sample_point_y = GIMP_SAMPLE_POINT_POSITION_UNDEFINED;
delete_point = TRUE;
}
else
{
GimpImage *image = gimp_display_get_image (display);
gint width = gimp_image_get_width (image);
gint height = gimp_image_get_height (image);
sp_tool->sample_point_x = floor (coords->x);
sp_tool->sample_point_y = floor (coords->y);
if (sp_tool->sample_point_x < 0 ||
sp_tool->sample_point_x >= height ||
sp_tool->sample_point_y < 0 ||
sp_tool->sample_point_y >= width)
{
delete_point = TRUE;
}
}
gimp_draw_tool_resume (GIMP_DRAW_TOOL (tool));
gimp_tool_pop_status (tool, display);
if (delete_point)
{
gimp_tool_push_status (tool, display,
sp_tool->sample_point ?
_("Remove Sample Point") :
_("Cancel Sample Point"));
}
else if (sp_tool->sample_point)
{
gimp_tool_push_status_coords (tool, display,
gimp_tool_control_get_precision (tool->control),
_("Move Sample Point: "),
sp_tool->sample_point_x -
sp_tool->sample_point_old_x,
", ",
sp_tool->sample_point_y -
sp_tool->sample_point_old_y,
NULL);
}
else
{
gimp_tool_push_status_coords (tool, display,
gimp_tool_control_get_precision (tool->control),
_("Add Sample Point: "),
sp_tool->sample_point_x,
", ",
sp_tool->sample_point_y,
NULL);
}
}
