gboolean
gimp_image_pick_color (GimpImage *image,
GimpDrawable *drawable,
gint x,
gint y,
gboolean sample_merged,
gboolean sample_average,
gdouble average_radius,
const Babl **sample_format,
gpointer pixel,
GimpRGB *color)
{
GimpPickable *pickable;
g_return_val_if_fail (GIMP_IS_IMAGE (image), FALSE);
g_return_val_if_fail (drawable == NULL || GIMP_IS_DRAWABLE (drawable), FALSE);
g_return_val_if_fail (drawable == NULL ||
gimp_item_get_image (GIMP_ITEM (drawable)) == image,
FALSE);
if (! sample_merged)
{
if (! drawable)
drawable = gimp_image_get_active_drawable (image);
if (! drawable)
return FALSE;
}
if (sample_merged)
{
pickable = GIMP_PICKABLE (image);
}
else
{
gint off_x, off_y;
gimp_item_get_offset (GIMP_ITEM (drawable), &off_x, &off_y);
x -= off_x;
y -= off_y;
pickable = GIMP_PICKABLE (drawable);
}
/* Do *not* call gimp_pickable_flush() here because it's too expensive
* to call it unconditionally each time e.g. the cursor view is updated.
* Instead, call gimp_pickable_flush() in the callers if needed.
*/
if (sample_format)
*sample_format = gimp_pickable_get_format (pickable);
return gimp_pickable_pick_color (pickable, x, y,
sample_average, average_radius,
pixel, color);
}
static gboolean
gimp_image_map_tool_pick_color (GimpColorTool *color_tool,
gint x,
gint y,
GimpImageType *sample_type,
GimpRGB *color,
gint *color_index)
{
GimpImageMapTool *tool = GIMP_IMAGE_MAP_TOOL (color_tool);
gint off_x, off_y;
gimp_item_offsets (GIMP_ITEM (tool->drawable), &off_x, &off_y);
*sample_type = gimp_drawable_type (tool->drawable);
return gimp_pickable_pick_color (GIMP_PICKABLE (tool->image_map),
x - off_x,
y - off_y,
color_tool->options->sample_average,
color_tool->options->average_radius,
color, color_index);
}
static gboolean
gimp_image_map_tool_pick_color (GimpColorTool *color_tool,
gint x,
gint y,
const Babl **sample_format,
gpointer pixel,
GimpRGB *color)
{
GimpImageMapTool *im_tool = GIMP_IMAGE_MAP_TOOL (color_tool);
gint off_x, off_y;
gimp_item_get_offset (GIMP_ITEM (im_tool->drawable), &off_x, &off_y);
*sample_format = gimp_drawable_get_format (im_tool->drawable);
return gimp_pickable_pick_color (GIMP_PICKABLE (im_tool->drawable),
x - off_x,
y - off_y,
color_tool->options->sample_average,
color_tool->options->average_radius,
pixel, color);
}
