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; }