/* PIKA - Photo and Image Kooker Application * a rebranding of The GNU Image Manipulation Program (created with heckimp) * A derived work which may be trivial. However, any changes may be (C)2023 by Aldercone Studio * * Original copyright, applying to most contents (license remains unchanged): * Copyright (C) 1995 Spencer Kimball and Peter Mattis * * pikafgbgeditor.c * Copyright (C) 2004 Michael Natterer * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 3 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see . */ #include "config.h" #include #include #include #include "libpikabase/pikabase.h" #include "libpikacolor/pikacolor.h" #include "libpikaconfig/pikaconfig.h" #include "libpikawidgets/pikawidgets.h" #include "widgets-types.h" #include "config/pikacoreconfig.h" #include "core/pika.h" #include "core/pikacontext.h" #include "core/pikaimage.h" #include "core/pikaimage-colormap.h" #include "core/pikamarshal.h" #include "core/pikapalette.h" #include "pikadnd.h" #include "pikafgbgeditor.h" #include "pikawidgets-utils.h" #define CHANNEL_EPSILON 1e-3 enum { PROP_0, PROP_CONTEXT, PROP_ACTIVE_COLOR }; enum { COLOR_CLICKED, COLOR_DROPPED, COLORS_SWAPPED, COLORS_DEFAULT, TOOLTIP, LAST_SIGNAL }; static void pika_fg_bg_editor_dispose (GObject *object); static void pika_fg_bg_editor_set_property (GObject *object, guint property_id, const GValue *value, GParamSpec *pspec); static void pika_fg_bg_editor_get_property (GObject *object, guint property_id, GValue *value, GParamSpec *pspec); static GtkSizeRequestMode pika_fg_bg_editor_get_request_mode (GtkWidget *widget); static void pika_fg_bg_editor_get_preferred_width_for_height (GtkWidget *widget, gint height, gint *minimum_width, gint *natural_width); static void pika_fg_bg_editor_size_allocate (GtkWidget *editor, GtkAllocation *allocation); static void pika_fg_bg_editor_style_updated (GtkWidget *widget); static gboolean pika_fg_bg_editor_draw (GtkWidget *widget, cairo_t *cr); static gboolean pika_fg_bg_editor_button_press (GtkWidget *widget, GdkEventButton *bevent); static gboolean pika_fg_bg_editor_button_release (GtkWidget *widget, GdkEventButton *bevent); static gboolean pika_fg_bg_editor_drag_motion (GtkWidget *widget, GdkDragContext *context, gint x, gint y, guint time); static gboolean pika_fg_bg_editor_query_tooltip (GtkWidget *widget, gint x, gint y, gboolean keyboard_mode, GtkTooltip *tooltip); static void pika_fg_bg_editor_drag_color (GtkWidget *widget, PikaRGB *color, gpointer data); static void pika_fg_bg_editor_drop_color (GtkWidget *widget, gint x, gint y, const PikaRGB *color, gpointer data); static void pika_fg_bg_editor_create_transform (PikaFgBgEditor *editor); static void pika_fg_bg_editor_destroy_transform (PikaFgBgEditor *editor); static void pika_fg_bg_editor_image_changed (PikaFgBgEditor *editor, PikaImage *image); static void pika_fg_bg_editor_draw_color_frame (PikaFgBgEditor *editor, cairo_t *cr, const PikaRGB *color, gint x, gint y, gint width, gint height, gint corner_dx, gint corner_dy); G_DEFINE_TYPE (PikaFgBgEditor, pika_fg_bg_editor, GTK_TYPE_EVENT_BOX) #define parent_class pika_fg_bg_editor_parent_class static guint editor_signals[LAST_SIGNAL] = { 0 }; static void pika_fg_bg_editor_class_init (PikaFgBgEditorClass *klass) { GObjectClass *object_class = G_OBJECT_CLASS (klass); GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass); editor_signals[COLOR_CLICKED] = g_signal_new ("color-clicked", G_TYPE_FROM_CLASS (klass), G_SIGNAL_RUN_FIRST, G_STRUCT_OFFSET (PikaFgBgEditorClass, color_clicked), NULL, NULL, NULL, G_TYPE_NONE, 1, PIKA_TYPE_ACTIVE_COLOR); editor_signals[COLOR_DROPPED] = g_signal_new ("color-dropped", G_TYPE_FROM_CLASS (klass), G_SIGNAL_RUN_FIRST, G_STRUCT_OFFSET (PikaFgBgEditorClass, color_dropped), NULL, NULL, NULL, G_TYPE_NONE, 1, PIKA_TYPE_ACTIVE_COLOR); editor_signals[COLORS_SWAPPED] = g_signal_new ("colors-swapped", G_TYPE_FROM_CLASS (klass), G_SIGNAL_RUN_FIRST, G_STRUCT_OFFSET (PikaFgBgEditorClass, colors_swapped), NULL, NULL, NULL, G_TYPE_NONE, 0); editor_signals[COLORS_DEFAULT] = g_signal_new ("colors-default", G_TYPE_FROM_CLASS (klass), G_SIGNAL_RUN_FIRST, G_STRUCT_OFFSET (PikaFgBgEditorClass, colors_default), NULL, NULL, NULL, G_TYPE_NONE, 0); editor_signals[TOOLTIP] = g_signal_new ("tooltip", G_TYPE_FROM_CLASS (klass), G_SIGNAL_RUN_FIRST, G_STRUCT_OFFSET (PikaFgBgEditorClass, tooltip), NULL, NULL, pika_marshal_VOID__INT_OBJECT, G_TYPE_NONE, 2, G_TYPE_INT, GTK_TYPE_TOOLTIP); object_class->dispose = pika_fg_bg_editor_dispose; object_class->set_property = pika_fg_bg_editor_set_property; object_class->get_property = pika_fg_bg_editor_get_property; widget_class->get_request_mode = pika_fg_bg_editor_get_request_mode; widget_class->get_preferred_width_for_height = pika_fg_bg_editor_get_preferred_width_for_height; widget_class->size_allocate = pika_fg_bg_editor_size_allocate; widget_class->style_updated = pika_fg_bg_editor_style_updated; widget_class->draw = pika_fg_bg_editor_draw; widget_class->button_press_event = pika_fg_bg_editor_button_press; widget_class->button_release_event = pika_fg_bg_editor_button_release; widget_class->drag_motion = pika_fg_bg_editor_drag_motion; widget_class->query_tooltip = pika_fg_bg_editor_query_tooltip; g_object_class_install_property (object_class, PROP_CONTEXT, g_param_spec_object ("context", NULL, NULL, PIKA_TYPE_CONTEXT, PIKA_PARAM_READWRITE)); g_object_class_install_property (object_class, PROP_ACTIVE_COLOR, g_param_spec_enum ("active-color", NULL, NULL, PIKA_TYPE_ACTIVE_COLOR, PIKA_ACTIVE_COLOR_FOREGROUND, PIKA_PARAM_READWRITE)); gtk_widget_class_set_css_name (widget_class, "PikaFgBgEditor"); } static void pika_fg_bg_editor_init (PikaFgBgEditor *editor) { editor->active_color = PIKA_ACTIVE_COLOR_FOREGROUND; gtk_widget_set_can_focus (GTK_WIDGET (editor), FALSE); gtk_event_box_set_visible_window (GTK_EVENT_BOX (editor), FALSE); gtk_widget_add_events (GTK_WIDGET (editor), GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK); pika_dnd_color_source_add (GTK_WIDGET (editor), pika_fg_bg_editor_drag_color, NULL); pika_dnd_color_dest_add (GTK_WIDGET (editor), pika_fg_bg_editor_drop_color, NULL); pika_widget_track_monitor (GTK_WIDGET (editor), G_CALLBACK (pika_fg_bg_editor_destroy_transform), NULL, NULL); gtk_widget_set_size_request (GTK_WIDGET (editor), 24, 24); } static void pika_fg_bg_editor_dispose (GObject *object) { PikaFgBgEditor *editor = PIKA_FG_BG_EDITOR (object); if (editor->context) pika_fg_bg_editor_set_context (editor, NULL); g_clear_object (&editor->default_icon); g_clear_object (&editor->swap_icon); G_OBJECT_CLASS (parent_class)->dispose (object); } static void pika_fg_bg_editor_set_property (GObject *object, guint property_id, const GValue *value, GParamSpec *pspec) { PikaFgBgEditor *editor = PIKA_FG_BG_EDITOR (object); switch (property_id) { case PROP_CONTEXT: pika_fg_bg_editor_set_context (editor, g_value_get_object (value)); break; case PROP_ACTIVE_COLOR: pika_fg_bg_editor_set_active (editor, g_value_get_enum (value)); break; default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec); break; } } static void pika_fg_bg_editor_get_property (GObject *object, guint property_id, GValue *value, GParamSpec *pspec) { PikaFgBgEditor *editor = PIKA_FG_BG_EDITOR (object); switch (property_id) { case PROP_CONTEXT: g_value_set_object (value, editor->context); break; case PROP_ACTIVE_COLOR: g_value_set_enum (value, editor->active_color); break; default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec); break; } } static GtkSizeRequestMode pika_fg_bg_editor_get_request_mode (GtkWidget *widget) { return GTK_SIZE_REQUEST_WIDTH_FOR_HEIGHT; } static void pika_fg_bg_editor_get_preferred_width_for_height (GtkWidget *widget, gint height, gint *minimum_width, gint *natural_width) { *minimum_width = height; *natural_width = height; } static void pika_fg_bg_editor_size_allocate (GtkWidget *widget, GtkAllocation *allocation) { GTK_WIDGET_CLASS (parent_class)->size_allocate (widget, allocation); pika_fg_bg_editor_style_updated (widget); } static void pika_fg_bg_editor_style_updated (GtkWidget *widget) { PikaFgBgEditor *editor = PIKA_FG_BG_EDITOR (widget); GTK_WIDGET_CLASS (parent_class)->style_updated (widget); g_clear_object (&editor->default_icon); g_clear_object (&editor->swap_icon); } static gboolean pika_fg_bg_editor_draw (GtkWidget *widget, cairo_t *cr) { PikaFgBgEditor *editor = PIKA_FG_BG_EDITOR (widget); GtkStyleContext *style = gtk_widget_get_style_context (widget); GtkBorder border; GtkBorder padding; GdkRectangle rect; gint scale_factor; gint width, height; gint default_w, default_h; gint swap_w, swap_h; PikaRGB color; gtk_style_context_save (style); width = gtk_widget_get_allocated_width (widget); height = gtk_widget_get_allocated_height (widget); gtk_style_context_get_border (style, gtk_style_context_get_state (style), &border); gtk_style_context_get_padding (style, gtk_style_context_get_state (style), &padding); border.left += padding.left; border.right += padding.right; border.top += padding.top; border.bottom += padding.bottom; scale_factor = gtk_widget_get_scale_factor (widget); /* draw the default colors pixbuf */ if (! editor->default_icon) editor->default_icon = pika_widget_load_icon (widget, PIKA_ICON_COLORS_DEFAULT, MAX (MIN (width * 0.3, 12), 6)); default_w = gdk_pixbuf_get_width (editor->default_icon) / scale_factor; default_h = gdk_pixbuf_get_height (editor->default_icon) / scale_factor; if (default_w < width / 2 && default_h < height / 2) { cairo_surface_t *surface; surface = gdk_cairo_surface_create_from_pixbuf (editor->default_icon, scale_factor, NULL); cairo_set_source_surface (cr, surface, border.left, height - border.bottom - default_h); cairo_surface_destroy (surface); cairo_paint (cr); } else { default_w = default_h = 0; } /* draw the swap colors pixbuf */ if (! editor->swap_icon) editor->swap_icon = pika_widget_load_icon (widget, PIKA_ICON_COLORS_SWAP, MAX (MIN (width * 0.3, 12), 6)); swap_w = gdk_pixbuf_get_width (editor->swap_icon) / scale_factor; swap_h = gdk_pixbuf_get_height (editor->swap_icon) / scale_factor; if (swap_w < width / 2 && swap_h < height / 2) { cairo_surface_t *surface; surface = gdk_cairo_surface_create_from_pixbuf (editor->swap_icon, scale_factor, NULL); cairo_set_source_surface (cr, surface, width - border.right - swap_w, border.top); cairo_surface_destroy (surface); cairo_paint (cr); } else { swap_w = swap_h = 0; } rect.width = width - MAX (default_w, swap_w) - 4 - border.top - border.bottom; rect.height = height - MAX (default_h, swap_h) - 2 - border.left - border.right; if (rect.height > (height * 3 / 4)) rect.width = MAX (rect.width - (rect.height - ((height * 3 / 4))), width * 2 / 3); editor->rect_width = rect.width; editor->rect_height = rect.height; if (! editor->transform) pika_fg_bg_editor_create_transform (editor); if (editor->context) { /* draw the background frame */ pika_context_get_background (editor->context, &color); rect.x = width - rect.width - border.right; rect.y = height - rect.height - border.bottom; pika_fg_bg_editor_draw_color_frame (editor, cr, &color, rect.x, rect.y, rect.width, rect.height, -1, -1); /* draw the foreground frame */ pika_context_get_foreground (editor->context, &color); rect.x = border.left; rect.y = border.top; pika_fg_bg_editor_draw_color_frame (editor, cr, &color, rect.x, rect.y, rect.width, rect.height, +1, +1); } gtk_style_context_restore (style); return TRUE; } static PikaFgBgTarget pika_fg_bg_editor_target (PikaFgBgEditor *editor, gint x, gint y) { GtkWidget *widget = GTK_WIDGET (editor); GtkStyleContext *style = gtk_widget_get_style_context (widget); GtkBorder border; GtkBorder padding; gint width; gint height; gint rect_w = editor->rect_width; gint rect_h = editor->rect_height; gint button_width; gint button_height; width = gtk_widget_get_allocated_width (widget); height = gtk_widget_get_allocated_height (widget); gtk_style_context_get_border (style, gtk_style_context_get_state (style), &border); gtk_style_context_get_padding (style, gtk_style_context_get_state (style), &padding); border.left += padding.left; border.right += padding.right; border.top += padding.top; border.bottom += padding.bottom; button_width = width - border.left - border.right - rect_w; button_height = height - border.top - border.bottom - rect_h; if (x > border.left && x < border.left + rect_w && y > border.top && y < border.top + rect_h) { return PIKA_FG_BG_TARGET_FOREGROUND; } else if (x > width - border.right - rect_w && x < width - border.right && y > height - border.bottom - rect_h && y < height - border.bottom) { return PIKA_FG_BG_TARGET_BACKGROUND; } else if (x > border.left && x < border.left + button_width && y > border.top + rect_h && y < height - border.bottom) { return PIKA_FG_BG_TARGET_DEFAULT; } else if (x > border.left + rect_w && x < width - border.right && y > border.top && y < border.top + button_height) { return PIKA_FG_BG_TARGET_SWAP; } return PIKA_FG_BG_TARGET_INVALID; } static gboolean pika_fg_bg_editor_button_press (GtkWidget *widget, GdkEventButton *bevent) { PikaFgBgEditor *editor = PIKA_FG_BG_EDITOR (widget); if (bevent->button == 1 && bevent->type == GDK_BUTTON_PRESS) { PikaFgBgTarget target = pika_fg_bg_editor_target (editor, bevent->x, bevent->y); editor->click_target = PIKA_FG_BG_TARGET_INVALID; switch (target) { case PIKA_FG_BG_TARGET_FOREGROUND: if (editor->active_color != PIKA_ACTIVE_COLOR_FOREGROUND) pika_fg_bg_editor_set_active (editor, PIKA_ACTIVE_COLOR_FOREGROUND); editor->click_target = PIKA_FG_BG_TARGET_FOREGROUND; break; case PIKA_FG_BG_TARGET_BACKGROUND: if (editor->active_color != PIKA_ACTIVE_COLOR_BACKGROUND) pika_fg_bg_editor_set_active (editor, PIKA_ACTIVE_COLOR_BACKGROUND); editor->click_target = PIKA_FG_BG_TARGET_BACKGROUND; break; case PIKA_FG_BG_TARGET_SWAP: if (editor->context) { pika_context_swap_colors (editor->context); g_signal_emit (editor, editor_signals[COLORS_SWAPPED], 0); } break; case PIKA_FG_BG_TARGET_DEFAULT: if (editor->context) { pika_context_set_default_colors (editor->context); g_signal_emit (editor, editor_signals[COLORS_DEFAULT], 0); } break; default: break; } } return GDK_EVENT_STOP; } static gboolean pika_fg_bg_editor_button_release (GtkWidget *widget, GdkEventButton *bevent) { PikaFgBgEditor *editor = PIKA_FG_BG_EDITOR (widget); if (bevent->button == 1) { PikaFgBgTarget target = pika_fg_bg_editor_target (editor, bevent->x, bevent->y); if (target == editor->click_target) { switch (target) { case PIKA_FG_BG_TARGET_FOREGROUND: g_signal_emit (editor, editor_signals[COLOR_CLICKED], 0, PIKA_ACTIVE_COLOR_FOREGROUND); break; case PIKA_FG_BG_TARGET_BACKGROUND: g_signal_emit (editor, editor_signals[COLOR_CLICKED], 0, PIKA_ACTIVE_COLOR_BACKGROUND); break; default: break; } } editor->click_target = PIKA_FG_BG_TARGET_INVALID; } return GDK_EVENT_STOP; } static gboolean pika_fg_bg_editor_drag_motion (GtkWidget *widget, GdkDragContext *context, gint x, gint y, guint time) { PikaFgBgEditor *editor = PIKA_FG_BG_EDITOR (widget); PikaFgBgTarget target = pika_fg_bg_editor_target (editor, x, y); if (target == PIKA_FG_BG_TARGET_FOREGROUND || target == PIKA_FG_BG_TARGET_BACKGROUND) { gdk_drag_status (context, GDK_ACTION_COPY, time); return TRUE; } gdk_drag_status (context, 0, time); return FALSE; } static gboolean pika_fg_bg_editor_query_tooltip (GtkWidget *widget, gint x, gint y, gboolean keyboard_mode, GtkTooltip *tooltip) { if (! keyboard_mode) { PikaFgBgEditor *editor = PIKA_FG_BG_EDITOR (widget); PikaFgBgTarget target = pika_fg_bg_editor_target (editor, x, y); if (target != PIKA_FG_BG_TARGET_INVALID) { g_signal_emit (widget, editor_signals[TOOLTIP], 0, target, tooltip); return TRUE; } } return FALSE; } /* public functions */ GtkWidget * pika_fg_bg_editor_new (PikaContext *context) { g_return_val_if_fail (context == NULL || PIKA_IS_CONTEXT (context), NULL); return g_object_new (PIKA_TYPE_FG_BG_EDITOR, "context", context, NULL); } void pika_fg_bg_editor_set_context (PikaFgBgEditor *editor, PikaContext *context) { g_return_if_fail (PIKA_IS_FG_BG_EDITOR (editor)); g_return_if_fail (context == NULL || PIKA_IS_CONTEXT (context)); if (context != editor->context) { if (editor->context) { g_signal_handlers_disconnect_by_func (editor->context, gtk_widget_queue_draw, editor); g_signal_handlers_disconnect_by_func (editor->context, G_CALLBACK (pika_fg_bg_editor_image_changed), editor); g_object_unref (editor->context); g_signal_handlers_disconnect_by_func (editor->color_config, pika_fg_bg_editor_destroy_transform, editor); g_clear_object (&editor->color_config); } editor->context = context; if (context) { g_object_ref (context); g_signal_connect_swapped (context, "foreground-changed", G_CALLBACK (gtk_widget_queue_draw), editor); g_signal_connect_swapped (context, "background-changed", G_CALLBACK (gtk_widget_queue_draw), editor); g_signal_connect_swapped (context, "image-changed", G_CALLBACK (pika_fg_bg_editor_image_changed), editor); editor->color_config = g_object_ref (context->pika->config->color_management); g_signal_connect_swapped (editor->color_config, "notify", G_CALLBACK (pika_fg_bg_editor_destroy_transform), editor); } pika_fg_bg_editor_destroy_transform (editor); g_object_notify (G_OBJECT (editor), "context"); } } void pika_fg_bg_editor_set_active (PikaFgBgEditor *editor, PikaActiveColor active) { g_return_if_fail (PIKA_IS_FG_BG_EDITOR (editor)); editor->active_color = active; gtk_widget_queue_draw (GTK_WIDGET (editor)); g_object_notify (G_OBJECT (editor), "active-color"); } /* private functions */ static void pika_fg_bg_editor_drag_color (GtkWidget *widget, PikaRGB *color, gpointer data) { PikaFgBgEditor *editor = PIKA_FG_BG_EDITOR (widget); if (editor->context) { switch (editor->active_color) { case PIKA_ACTIVE_COLOR_FOREGROUND: pika_context_get_foreground (editor->context, color); break; case PIKA_ACTIVE_COLOR_BACKGROUND: pika_context_get_background (editor->context, color); break; } } } static void pika_fg_bg_editor_drop_color (GtkWidget *widget, gint x, gint y, const PikaRGB *color, gpointer data) { PikaFgBgEditor *editor = PIKA_FG_BG_EDITOR (widget); if (editor->context) { switch (pika_fg_bg_editor_target (editor, x, y)) { case PIKA_FG_BG_TARGET_FOREGROUND: pika_context_set_foreground (editor->context, color); g_signal_emit (editor, editor_signals[COLOR_DROPPED], 0, PIKA_ACTIVE_COLOR_FOREGROUND); break; case PIKA_FG_BG_TARGET_BACKGROUND: pika_context_set_background (editor->context, color); g_signal_emit (editor, editor_signals[COLOR_DROPPED], 0, PIKA_ACTIVE_COLOR_BACKGROUND); break; default: break; } } } static void pika_fg_bg_editor_create_transform (PikaFgBgEditor *editor) { if (editor->color_config) { static PikaColorProfile *profile = NULL; if (G_UNLIKELY (! profile)) profile = pika_color_profile_new_rgb_srgb (); editor->transform = pika_widget_get_color_transform (GTK_WIDGET (editor), editor->color_config, profile, babl_format ("R'G'B'A double"), babl_format ("R'G'B'A double"), NULL, PIKA_COLOR_RENDERING_INTENT_RELATIVE_COLORIMETRIC, FALSE); } } static void pika_fg_bg_editor_destroy_transform (PikaFgBgEditor *editor) { g_clear_object (&editor->transform); gtk_widget_queue_draw (GTK_WIDGET (editor)); } static void pika_fg_bg_editor_image_changed (PikaFgBgEditor *editor, PikaImage *image) { gtk_widget_queue_draw (GTK_WIDGET (editor)); if (editor->active_image) { g_signal_handlers_disconnect_by_func (editor->active_image, G_CALLBACK (gtk_widget_queue_draw), editor); if (pika_image_get_base_type (editor->active_image) == PIKA_INDEXED) { PikaPalette *palette; palette = pika_image_get_colormap_palette (editor->active_image); g_signal_handlers_disconnect_by_func (palette, G_CALLBACK (gtk_widget_queue_draw), editor); } } editor->active_image = image; if (image) { g_signal_connect_swapped (image, "notify::base-type", G_CALLBACK (gtk_widget_queue_draw), editor); g_signal_connect_swapped (image, "colormap-changed", G_CALLBACK (gtk_widget_queue_draw), editor); if (pika_image_get_base_type (image) == PIKA_INDEXED) { PikaPalette *palette; palette = pika_image_get_colormap_palette (editor->active_image); g_signal_connect_swapped (palette, "dirty", G_CALLBACK (gtk_widget_queue_draw), editor); } } } static void pika_fg_bg_editor_draw_color_frame (PikaFgBgEditor *editor, cairo_t *cr, const PikaRGB *color, gint x, gint y, gint width, gint height, gint corner_dx, gint corner_dy) { PikaPalette *colormap_palette = NULL; PikaImageBaseType base_type = PIKA_RGB; PikaRGB transformed_color; if (editor->active_image) { base_type = pika_image_get_base_type (editor->active_image); if (base_type == PIKA_INDEXED) { colormap_palette = pika_image_get_colormap_palette ( editor->active_image); } } if (editor->transform) { pika_color_transform_process_pixels (editor->transform, babl_format ("R'G'B'A double"), color, babl_format ("R'G'B'A double"), &transformed_color, 1); } else { transformed_color = *color; } cairo_save (cr); pika_cairo_set_source_rgb (cr, &transformed_color); cairo_rectangle (cr, x, y, width, height); cairo_fill (cr); if (editor->color_config && /* Common out-of-gamut case */ ((color->r < 0.0 || color->r > 1.0 || color->g < 0.0 || color->g > 1.0 || color->b < 0.0 || color->b > 1.0) || /* Indexed images */ (colormap_palette && ! pika_palette_find_entry (colormap_palette, color, NULL)) || /* Grayscale images */ (base_type == PIKA_GRAY && (ABS (color->r - color->g) > CHANNEL_EPSILON || ABS (color->r - color->b) > CHANNEL_EPSILON || ABS (color->g - color->b) > CHANNEL_EPSILON)))) { gint corner_x = x + 0.5 * (1.0 - corner_dx) * width; gint corner_y = y + 0.5 * (1.0 - corner_dy) * height; gint side = MIN (width, height) * 2 / 3; PikaRGB out_of_gamut_color; cairo_move_to (cr, corner_x, corner_y); cairo_line_to (cr, corner_x + side * corner_dx, corner_y); cairo_line_to (cr, corner_x, corner_y + side * corner_dy); cairo_close_path (cr); pika_color_config_get_out_of_gamut_color (editor->color_config, &out_of_gamut_color); pika_cairo_set_source_rgb (cr, &out_of_gamut_color); cairo_fill (cr); } cairo_set_line_width (cr, 1.0); cairo_set_source_rgb (cr, 0.0, 0.0, 0.0); cairo_rectangle (cr, x + 0.5, y + 0.5, width - 1.0, height - 1.0); cairo_stroke (cr); cairo_set_source_rgb (cr, 1.0, 1.0, 1.0); cairo_rectangle (cr, x + 1.5, y + 1.5, width - 3.0, height - 3.0); cairo_stroke (cr); cairo_restore (cr); }