static GimpValueArray *
image_select_color_invoker (GimpProcedure *procedure,
Gimp *gimp,
GimpContext *context,
GimpProgress *progress,
const GimpValueArray *args,
GError **error)
{
gboolean success = TRUE;
GimpImage *image;
gint32 operation;
GimpDrawable *drawable;
GimpRGB color;
image = gimp_value_get_image (gimp_value_array_index (args, 0), gimp);
operation = g_value_get_enum (gimp_value_array_index (args, 1));
drawable = gimp_value_get_drawable (gimp_value_array_index (args, 2), gimp);
gimp_value_get_rgb (gimp_value_array_index (args, 3), &color);
if (success)
{
GimpPDBContext *pdb_context = GIMP_PDB_CONTEXT (context);
if (pdb_context->sample_merged ||
gimp_pdb_item_is_attached (GIMP_ITEM (drawable), image, 0, error))
{
gimp_channel_select_by_color (gimp_image_get_mask (image), drawable,
pdb_context->sample_merged,
&color,
pdb_context->sample_threshold,
pdb_context->sample_transparent,
pdb_context->sample_criterion,
operation,
pdb_context->antialias,
pdb_context->feather,
pdb_context->feather_radius_x,
pdb_context->feather_radius_y);
}
else
success = FALSE;
}
return gimp_procedure_get_return_values (procedure, success,
error ? *error : NULL);
}
static void
gimp_selection_editor_drop_color (GtkWidget *widget,
gint x,
gint y,
const GimpRGB *color,
gpointer data)
{
GimpImageEditor *editor = GIMP_IMAGE_EDITOR (data);
GimpToolInfo *tool_info;
GimpSelectionOptions *sel_options;
GimpRegionSelectOptions *options;
GimpDrawable *drawable;
if (! editor->image)
return;
tool_info = gimp_get_tool_info (editor->image->gimp,
"gimp-by-color-select-tool");
if (! tool_info)
return;
sel_options = GIMP_SELECTION_OPTIONS (tool_info->tool_options);
options = GIMP_REGION_SELECT_OPTIONS (tool_info->tool_options);
drawable = gimp_image_get_active_drawable (editor->image);
if (! drawable)
return;
gimp_channel_select_by_color (gimp_image_get_mask (editor->image),
drawable,
options->sample_merged,
color,
options->threshold,
options->select_transparent,
options->select_criterion,
sel_options->operation,
sel_options->antialias,
sel_options->feather,
sel_options->feather_radius,
sel_options->feather_radius);
gimp_image_flush (editor->image);
}
static gboolean
gimp_selection_view_button_press (GtkWidget *widget,
GdkEventButton *bevent,
GimpSelectionEditor *editor)
{
GimpImageEditor *image_editor = GIMP_IMAGE_EDITOR (editor);
GimpViewRenderer *renderer;
GimpToolInfo *tool_info;
GimpSelectionOptions *options;
GimpDrawable *drawable;
GimpChannelOps operation = GIMP_CHANNEL_OP_REPLACE;
gint x, y;
GimpRGB color;
if (! image_editor->image)
return TRUE;
renderer = GIMP_VIEW (editor->view)->renderer;
tool_info = gimp_get_tool_info (image_editor->image->gimp,
"gimp-by-color-select-tool");
if (! tool_info)
return TRUE;
options = GIMP_SELECTION_OPTIONS (tool_info->tool_options);
drawable = gimp_image_get_active_drawable (image_editor->image);
if (! drawable)
return TRUE;
if (bevent->state & GDK_SHIFT_MASK)
{
if (bevent->state & GDK_CONTROL_MASK)
{
operation = GIMP_CHANNEL_OP_INTERSECT;
}
else
{
operation = GIMP_CHANNEL_OP_ADD;
}
}
else if (bevent->state & GDK_CONTROL_MASK)
{
operation = GIMP_CHANNEL_OP_SUBTRACT;
}
x = image_editor->image->width * bevent->x / renderer->width;
y = image_editor->image->height * bevent->y / renderer->height;
if (gimp_image_pick_color (image_editor->image, drawable, x, y,
options->sample_merged,
FALSE, 0.0,
NULL,
&color, NULL))
{
gimp_channel_select_by_color (gimp_image_get_mask (image_editor->image),
drawable,
options->sample_merged,
&color,
options->threshold,
options->select_transparent,
options->select_criterion,
operation,
options->antialias,
options->feather,
options->feather_radius,
options->feather_radius);
gimp_image_flush (image_editor->image);
}
return TRUE;
}
static gboolean
gimp_selection_view_button_press (GtkWidget *widget,
GdkEventButton *bevent,
GimpSelectionEditor *editor)
{
GimpImageEditor *image_editor = GIMP_IMAGE_EDITOR (editor);
GimpViewRenderer *renderer;
GimpToolInfo *tool_info;
GimpSelectionOptions *sel_options;
GimpRegionSelectOptions *options;
GimpDrawable *drawable;
GimpChannelOps operation;
gint x, y;
GimpRGB color;
if (! image_editor->image)
return TRUE;
renderer = GIMP_VIEW (editor->view)->renderer;
tool_info = gimp_get_tool_info (image_editor->image->gimp,
"gimp-by-color-select-tool");
if (! tool_info)
return TRUE;
sel_options = GIMP_SELECTION_OPTIONS (tool_info->tool_options);
options = GIMP_REGION_SELECT_OPTIONS (tool_info->tool_options);
drawable = gimp_image_get_active_drawable (image_editor->image);
if (! drawable)
return TRUE;
operation = gimp_modifiers_to_channel_op (bevent->state);
x = gimp_image_get_width (image_editor->image) * bevent->x / renderer->width;
y = gimp_image_get_height (image_editor->image) * bevent->y / renderer->height;
if (gimp_image_pick_color (image_editor->image, drawable, x, y,
options->sample_merged,
FALSE, 0.0,
NULL,
&color, NULL))
{
gimp_channel_select_by_color (gimp_image_get_mask (image_editor->image),
drawable,
options->sample_merged,
&color,
options->threshold,
options->select_transparent,
options->select_criterion,
operation,
sel_options->antialias,
sel_options->feather,
sel_options->feather_radius,
sel_options->feather_radius);
gimp_image_flush (image_editor->image);
}
return TRUE;
}
