static void gimp_curves_tool_button_release (GimpTool *tool, const GimpCoords *coords, guint32 time, GdkModifierType state, GimpButtonReleaseType release_type, GimpDisplay *display) { GimpCurvesTool *c_tool = GIMP_CURVES_TOOL (tool); GimpImageMapTool *im_tool = GIMP_IMAGE_MAP_TOOL (tool); GimpCurvesConfig *config = GIMP_CURVES_CONFIG (im_tool->config); if (state & gimp_get_extend_selection_mask ()) { GimpCurve *curve = config->curve[config->channel]; gdouble value = c_tool->picked_color[config->channel]; gint closest; closest = gimp_curve_get_closest_point (curve, value); gimp_curve_view_set_selected (GIMP_CURVE_VIEW (c_tool->graph), closest); gimp_curve_set_point (curve, closest, value, gimp_curve_map_value (curve, value)); } else if (state & gimp_get_toggle_behavior_mask ()) { GimpHistogramChannel channel; for (channel = GIMP_HISTOGRAM_VALUE; channel <= GIMP_HISTOGRAM_ALPHA; channel++) { GimpCurve *curve = config->curve[channel]; gdouble value = c_tool->picked_color[channel]; gint closest; if (value != -1) { closest = gimp_curve_get_closest_point (curve, value); gimp_curve_view_set_selected (GIMP_CURVE_VIEW (c_tool->graph), closest); gimp_curve_set_point (curve, closest, value, gimp_curve_map_value (curve, value)); } } } /* chain up to halt the tool */ GIMP_TOOL_CLASS (parent_class)->button_release (tool, coords, time, state, release_type, display); }
static void gimp_curves_tool_button_release (GimpTool *tool, GimpCoords *coords, guint32 time, GdkModifierType state, GimpButtonReleaseType release_type, GimpDisplay *display) { GimpCurvesTool *c_tool = GIMP_CURVES_TOOL (tool); GimpCurvesConfig *config = c_tool->config; if (state & GDK_SHIFT_MASK) { GimpCurve *curve = config->curve[config->channel]; gdouble value = c_tool->picked_color[config->channel]; gint closest; closest = gimp_curve_get_closest_point (curve, value); gimp_curve_view_set_selected (GIMP_CURVE_VIEW (c_tool->graph), closest); gimp_curve_set_point (curve, closest, value, gimp_curve_map_value (curve, value)); } else if (state & GDK_CONTROL_MASK) { gint i; for (i = 0; i < 5; i++) { GimpCurve *curve = config->curve[i]; gdouble value = c_tool->picked_color[i]; gint closest; closest = gimp_curve_get_closest_point (curve, value); gimp_curve_view_set_selected (GIMP_CURVE_VIEW (c_tool->graph), closest); gimp_curve_set_point (curve, closest, value, gimp_curve_map_value (curve, value)); } } /* chain up to halt the tool */ GIMP_TOOL_CLASS (parent_class)->button_release (tool, coords, time, state, release_type, display); }
static void gimp_curves_tool_color_picked (GimpColorTool *color_tool, GimpColorPickState pick_state, GimpImageType sample_type, GimpRGB *color, gint color_index) { GimpCurvesTool *tool = GIMP_CURVES_TOOL (color_tool); GimpDrawable *drawable; drawable = GIMP_IMAGE_MAP_TOOL (tool)->drawable; tool->picked_color[GIMP_HISTOGRAM_RED] = color->r; tool->picked_color[GIMP_HISTOGRAM_GREEN] = color->g; tool->picked_color[GIMP_HISTOGRAM_BLUE] = color->b; if (gimp_drawable_has_alpha (drawable)) tool->picked_color[GIMP_HISTOGRAM_ALPHA] = color->a; tool->picked_color[GIMP_HISTOGRAM_VALUE] = MAX (MAX (color->r, color->g), color->b); gimp_curve_view_set_xpos (GIMP_CURVE_VIEW (tool->graph), tool->picked_color[tool->config->channel]); }
static void gimp_curves_tool_color_picked (GimpColorTool *color_tool, GimpColorPickState pick_state, gdouble x, gdouble y, const Babl *sample_format, gpointer pixel, const GimpRGB *color) { GimpCurvesTool *tool = GIMP_CURVES_TOOL (color_tool); GimpImageMapTool *im_tool = GIMP_IMAGE_MAP_TOOL (color_tool); GimpCurvesConfig *config = GIMP_CURVES_CONFIG (im_tool->config); GimpDrawable *drawable; drawable = GIMP_IMAGE_MAP_TOOL (tool)->drawable; tool->picked_color[GIMP_HISTOGRAM_RED] = color->r; tool->picked_color[GIMP_HISTOGRAM_GREEN] = color->g; tool->picked_color[GIMP_HISTOGRAM_BLUE] = color->b; if (gimp_drawable_has_alpha (drawable)) tool->picked_color[GIMP_HISTOGRAM_ALPHA] = color->a; else tool->picked_color[GIMP_HISTOGRAM_ALPHA] = -1; tool->picked_color[GIMP_HISTOGRAM_VALUE] = MAX (MAX (color->r, color->g), color->b); gimp_curve_view_set_xpos (GIMP_CURVE_VIEW (tool->graph), tool->picked_color[config->channel]); }
static gboolean gimp_curves_tool_initialize (GimpTool *tool, GimpDisplay *display, GError **error) { GimpCurvesTool *c_tool = GIMP_CURVES_TOOL (tool); GimpImage *image = gimp_display_get_image (display); GimpDrawable *drawable = gimp_image_get_active_drawable (image); GimpHistogram *histogram; if (! GIMP_TOOL_CLASS (parent_class)->initialize (tool, display, error)) { return FALSE; } /* always pick colors */ gimp_color_tool_enable (GIMP_COLOR_TOOL (tool), GIMP_COLOR_TOOL_GET_OPTIONS (tool)); gimp_int_combo_box_set_sensitivity (GIMP_INT_COMBO_BOX (c_tool->channel_menu), curves_menu_sensitivity, drawable, NULL); histogram = gimp_histogram_new (TRUE); gimp_drawable_calculate_histogram (drawable, histogram); gimp_histogram_view_set_background (GIMP_HISTOGRAM_VIEW (c_tool->graph), histogram); g_object_unref (histogram); if (gimp_drawable_get_precision (drawable) == GIMP_PRECISION_U8) { gimp_curve_view_set_range_x (GIMP_CURVE_VIEW (c_tool->graph), 0, 255); gimp_curve_view_set_range_y (GIMP_CURVE_VIEW (c_tool->graph), 0, 255); } else { gimp_curve_view_set_range_x (GIMP_CURVE_VIEW (c_tool->graph), 0.0, 1.0); gimp_curve_view_set_range_y (GIMP_CURVE_VIEW (c_tool->graph), 0.0, 1.0); } return TRUE; }
static void gimp_curves_tool_dialog (GimpImageMapTool *image_map_tool) { GimpCurvesTool *tool = GIMP_CURVES_TOOL (image_map_tool); GimpToolOptions *tool_options = GIMP_TOOL_GET_OPTIONS (image_map_tool); GimpCurvesConfig *config = tool->config; GtkListStore *store; GtkSizeGroup *label_group; GtkWidget *main_vbox; GtkWidget *vbox; GtkWidget *hbox; GtkWidget *hbox2; GtkWidget *label; GtkWidget *frame; GtkWidget *table; GtkWidget *button; GtkWidget *bar; GtkWidget *combo; g_signal_connect (image_map_tool->settings_box, "file-dialog-setup", G_CALLBACK (gimp_curves_tool_export_setup), image_map_tool); main_vbox = gimp_image_map_tool_dialog_get_vbox (image_map_tool); label_group = gimp_image_map_tool_dialog_get_label_group (image_map_tool); /* The combo box for selecting channels */ hbox = gtk_hbox_new (FALSE, 6); gtk_box_pack_start (GTK_BOX (main_vbox), hbox, FALSE, FALSE, 0); gtk_widget_show (hbox); label = gtk_label_new_with_mnemonic (_("Cha_nnel:")); gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, FALSE, 0); gtk_widget_show (label); gtk_size_group_add_widget (label_group, label); store = gimp_enum_store_new_with_range (GIMP_TYPE_HISTOGRAM_CHANNEL, GIMP_HISTOGRAM_VALUE, GIMP_HISTOGRAM_ALPHA); tool->channel_menu = gimp_enum_combo_box_new_with_model (GIMP_ENUM_STORE (store)); g_object_unref (store); gimp_int_combo_box_set_active (GIMP_INT_COMBO_BOX (tool->channel_menu), config->channel); gimp_enum_combo_box_set_stock_prefix (GIMP_ENUM_COMBO_BOX (tool->channel_menu), "gimp-channel"); gtk_box_pack_start (GTK_BOX (hbox), tool->channel_menu, FALSE, FALSE, 0); gtk_widget_show (tool->channel_menu); g_signal_connect (tool->channel_menu, "changed", G_CALLBACK (curves_channel_callback), tool); gtk_label_set_mnemonic_widget (GTK_LABEL (label), tool->channel_menu); button = gtk_button_new_with_mnemonic (_("R_eset Channel")); gtk_box_pack_start (GTK_BOX (hbox), button, FALSE, FALSE, 0); gtk_widget_show (button); g_signal_connect (button, "clicked", G_CALLBACK (curves_channel_reset_callback), tool); /* The histogram scale radio buttons */ hbox2 = gimp_prop_enum_stock_box_new (G_OBJECT (tool_options), "histogram-scale", "gimp-histogram", 0, 0); gtk_box_pack_end (GTK_BOX (hbox), hbox2, FALSE, FALSE, 0); gtk_widget_show (hbox2); /* The table for the color bars and the graph */ table = gtk_table_new (2, 2, FALSE); gtk_table_set_col_spacings (GTK_TABLE (table), 2); gtk_table_set_row_spacings (GTK_TABLE (table), 2); gtk_box_pack_start (GTK_BOX (main_vbox), table, TRUE, TRUE, 0); /* The left color bar */ vbox = gtk_vbox_new (FALSE, 0); gtk_table_attach (GTK_TABLE (table), vbox, 0, 1, 0, 1, GTK_FILL, GTK_EXPAND | GTK_FILL, 0, 0); gtk_widget_show (vbox); frame = gtk_frame_new (NULL); gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_IN); gtk_box_pack_start (GTK_BOX (vbox), frame, TRUE, TRUE, RADIUS); gtk_widget_show (frame); tool->yrange = gimp_color_bar_new (GTK_ORIENTATION_VERTICAL); gtk_widget_set_size_request (tool->yrange, BAR_SIZE, -1); gtk_container_add (GTK_CONTAINER (frame), tool->yrange); gtk_widget_show (tool->yrange); /* The curves graph */ frame = gtk_frame_new (NULL); gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_IN); gtk_table_attach (GTK_TABLE (table), frame, 1, 2, 0, 1, GTK_EXPAND | GTK_FILL, GTK_EXPAND | GTK_FILL, 0, 0); gtk_widget_show (frame); tool->graph = gimp_curve_view_new (); gtk_widget_set_size_request (tool->graph, GRAPH_SIZE + RADIUS * 2, GRAPH_SIZE + RADIUS * 2); g_object_set (tool->graph, "border-width", RADIUS, "subdivisions", 1, NULL); gimp_curve_view_set_curve (GIMP_CURVE_VIEW (tool->graph), config->curve[config->channel]); gtk_container_add (GTK_CONTAINER (frame), tool->graph); gtk_widget_show (tool->graph); gimp_histogram_options_connect_view (GIMP_HISTOGRAM_OPTIONS (tool_options), GIMP_HISTOGRAM_VIEW (tool->graph)); /* The bottom color bar */ hbox2 = gtk_hbox_new (FALSE, 0); gtk_table_attach (GTK_TABLE (table), hbox2, 1, 2, 1, 2, GTK_EXPAND | GTK_FILL, GTK_FILL, 0, 0); gtk_widget_show (hbox2); frame = gtk_frame_new (NULL); gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_IN); gtk_box_pack_start (GTK_BOX (hbox2), frame, TRUE, TRUE, RADIUS); gtk_widget_show (frame); vbox = gtk_vbox_new (TRUE, 0); gtk_container_add (GTK_CONTAINER (frame), vbox); gtk_widget_show (vbox); tool->xrange = gimp_color_bar_new (GTK_ORIENTATION_HORIZONTAL); gtk_widget_set_size_request (tool->xrange, -1, BAR_SIZE / 2); gtk_box_pack_start (GTK_BOX (vbox), tool->xrange, TRUE, TRUE, 0); gtk_widget_show (tool->xrange); bar = gimp_color_bar_new (GTK_ORIENTATION_HORIZONTAL); gtk_box_pack_start (GTK_BOX (vbox), bar, TRUE, TRUE, 0); gtk_widget_show (bar); gtk_widget_show (table); hbox = gtk_hbox_new (FALSE, 6); gtk_box_pack_end (GTK_BOX (main_vbox), hbox, FALSE, FALSE, 0); gtk_widget_show (hbox); label = gtk_label_new_with_mnemonic (_("Curve _type:")); gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, FALSE, 0); gtk_widget_show (label); tool->curve_type = combo = gimp_enum_combo_box_new (GIMP_TYPE_CURVE_TYPE); gimp_enum_combo_box_set_stock_prefix (GIMP_ENUM_COMBO_BOX (combo), "gimp-curve"); gimp_int_combo_box_connect (GIMP_INT_COMBO_BOX (combo), 0, G_CALLBACK (curves_curve_type_callback), tool); gtk_box_pack_start (GTK_BOX (hbox), combo, TRUE, TRUE, 0); gtk_widget_show (combo); gtk_label_set_mnemonic_widget (GTK_LABEL (label), combo); }