diff options
Diffstat (limited to 'libgimpwidgets/gimpcolordisplay.c')
| -rw-r--r-- | libgimpwidgets/gimpcolordisplay.c | 563 |
1 files changed, 563 insertions, 0 deletions
diff --git a/libgimpwidgets/gimpcolordisplay.c b/libgimpwidgets/gimpcolordisplay.c new file mode 100644 index 0000000..d064e9b --- /dev/null +++ b/libgimpwidgets/gimpcolordisplay.c @@ -0,0 +1,563 @@ +/* LIBGIMP - The GIMP Library + * Copyright (C) 1995-1997 Peter Mattis and Spencer Kimball + * + * gimpcolordisplay.c + * Copyright (C) 2002 Michael Natterer <mitch@gimp.org> + * + * This library is free software: you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 3 of the License, or (at your option) any later version. + * + * This library 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 + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library. If not, see + * <https://www.gnu.org/licenses/>. + */ + +#include "config.h" + +#include <string.h> + +#include <gegl.h> +#include <gtk/gtk.h> + +#include "libgimpbase/gimpbase.h" +#include "libgimpcolor/gimpcolor.h" +#include "libgimpconfig/gimpconfig.h" + +#include "gimpwidgetstypes.h" + +#include "gimpcolordisplay.h" +#include "gimpicons.h" + + +/** + * SECTION: gimpcolordisplay + * @title: GimpColorDisplay + * @short_description: Pluggable GIMP display color correction modules. + * @see_also: #GModule, #GTypeModule, #GimpModule + * + * Functions and definitions for creating pluggable GIMP + * display color correction modules. + **/ + + +enum +{ + PROP_0, + PROP_ENABLED, + PROP_COLOR_CONFIG, + PROP_COLOR_MANAGED +}; + +enum +{ + CHANGED, + LAST_SIGNAL +}; + + +typedef struct +{ + GimpColorConfig *config; + GimpColorManaged *managed; +} GimpColorDisplayPrivate; + +#define GIMP_COLOR_DISPLAY_GET_PRIVATE(obj) ((GimpColorDisplayPrivate *) gimp_color_display_get_instance_private ((GimpColorDisplay *) (obj))) + + +static void gimp_color_display_constructed (GObject *object); +static void gimp_color_display_dispose (GObject *object); +static void gimp_color_display_set_property (GObject *object, + guint property_id, + const GValue *value, + GParamSpec *pspec); +static void gimp_color_display_get_property (GObject *object, + guint property_id, + GValue *value, + GParamSpec *pspec); + +static void gimp_color_display_set_color_config (GimpColorDisplay *display, + GimpColorConfig *config); +static void gimp_color_display_set_color_managed (GimpColorDisplay *display, + GimpColorManaged *managed); + + +G_DEFINE_TYPE_WITH_CODE (GimpColorDisplay, gimp_color_display, G_TYPE_OBJECT, + G_ADD_PRIVATE (GimpColorDisplay) + G_IMPLEMENT_INTERFACE (GIMP_TYPE_CONFIG, NULL)) + +#define parent_class gimp_color_display_parent_class + +static guint display_signals[LAST_SIGNAL] = { 0 }; + + +static void +gimp_color_display_class_init (GimpColorDisplayClass *klass) +{ + GObjectClass *object_class = G_OBJECT_CLASS (klass); + + object_class->constructed = gimp_color_display_constructed; + object_class->dispose = gimp_color_display_dispose; + object_class->set_property = gimp_color_display_set_property; + object_class->get_property = gimp_color_display_get_property; + + g_object_class_install_property (object_class, PROP_ENABLED, + g_param_spec_boolean ("enabled", + "Enabled", + "Whether this display filter is enabled", + TRUE, + GIMP_PARAM_READWRITE | + G_PARAM_CONSTRUCT)); + + g_object_class_install_property (object_class, PROP_COLOR_CONFIG, + g_param_spec_object ("color-config", + "Color Config", + "The color config used for this filter", + GIMP_TYPE_COLOR_CONFIG, + GIMP_PARAM_READWRITE | + G_PARAM_CONSTRUCT_ONLY)); + + g_object_class_install_property (object_class, PROP_COLOR_MANAGED, + g_param_spec_object ("color-managed", + "Color Managed", + "The color managed pixel source that is filtered", + GIMP_TYPE_COLOR_MANAGED, + GIMP_PARAM_READWRITE | + G_PARAM_CONSTRUCT_ONLY)); + display_signals[CHANGED] = + g_signal_new ("changed", + G_TYPE_FROM_CLASS (klass), + G_SIGNAL_RUN_FIRST, + G_STRUCT_OFFSET (GimpColorDisplayClass, changed), + NULL, NULL, + g_cclosure_marshal_VOID__VOID, + G_TYPE_NONE, 0); + + klass->name = "Unnamed"; + klass->help_id = NULL; + klass->icon_name = GIMP_ICON_DISPLAY_FILTER; + + klass->clone = NULL; + klass->convert_buffer = NULL; + klass->convert_surface = NULL; + klass->convert = NULL; + klass->load_state = NULL; + klass->save_state = NULL; + klass->configure = NULL; + klass->configure_reset = NULL; + klass->changed = NULL; +} + +static void +gimp_color_display_init (GimpColorDisplay *display) +{ + display->enabled = FALSE; +} + +static void +gimp_color_display_constructed (GObject *object) +{ + G_OBJECT_CLASS (parent_class)->constructed (object); + + /* emit an initial "changed" signal after all construct properties are set */ + gimp_color_display_changed (GIMP_COLOR_DISPLAY (object)); +} + +static void +gimp_color_display_dispose (GObject *object) +{ + GimpColorDisplayPrivate *private = GIMP_COLOR_DISPLAY_GET_PRIVATE (object); + + if (private->config) + { + g_signal_handlers_disconnect_by_func (private->config, + gimp_color_display_changed, + object); + g_object_unref (private->config); + private->config = NULL; + } + + if (private->managed) + { + g_signal_handlers_disconnect_by_func (private->managed, + gimp_color_display_changed, + object); + g_object_unref (private->managed); + private->managed = NULL; + } + + G_OBJECT_CLASS (parent_class)->dispose (object); +} + +static void +gimp_color_display_set_property (GObject *object, + guint property_id, + const GValue *value, + GParamSpec *pspec) +{ + GimpColorDisplay *display = GIMP_COLOR_DISPLAY (object); + + switch (property_id) + { + case PROP_ENABLED: + display->enabled = g_value_get_boolean (value); + break; + + case PROP_COLOR_CONFIG: + gimp_color_display_set_color_config (display, + g_value_get_object (value)); + break; + + case PROP_COLOR_MANAGED: + gimp_color_display_set_color_managed (display, + g_value_get_object (value)); + break; + + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec); + break; + } +} + +static void +gimp_color_display_get_property (GObject *object, + guint property_id, + GValue *value, + GParamSpec *pspec) +{ + GimpColorDisplay *display = GIMP_COLOR_DISPLAY (object); + + switch (property_id) + { + case PROP_ENABLED: + g_value_set_boolean (value, display->enabled); + break; + + case PROP_COLOR_CONFIG: + g_value_set_object (value, + GIMP_COLOR_DISPLAY_GET_PRIVATE (display)->config); + break; + + case PROP_COLOR_MANAGED: + g_value_set_object (value, + GIMP_COLOR_DISPLAY_GET_PRIVATE (display)->managed); + break; + + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec); + break; + } +} + +static void +gimp_color_display_set_color_config (GimpColorDisplay *display, + GimpColorConfig *config) +{ + GimpColorDisplayPrivate *private = GIMP_COLOR_DISPLAY_GET_PRIVATE (display); + + g_return_if_fail (private->config == NULL); + + if (config) + { + private->config = g_object_ref (config); + + g_signal_connect_swapped (private->config, "notify", + G_CALLBACK (gimp_color_display_changed), + display); + } +} + +static void +gimp_color_display_set_color_managed (GimpColorDisplay *display, + GimpColorManaged *managed) +{ + GimpColorDisplayPrivate *private = GIMP_COLOR_DISPLAY_GET_PRIVATE (display); + + g_return_if_fail (private->managed == NULL); + + if (managed) + { + private->managed = g_object_ref (managed); + + g_signal_connect_swapped (private->managed, "profile-changed", + G_CALLBACK (gimp_color_display_changed), + display); + } +} + +/** + * gimp_color_display_new: + * @display_type: the GType of the GimpColorDisplay to instantiate. + * + * This function is deprecated. Please use g_object_new() directly. + * + * Return value: a new %GimpColorDisplay object. + **/ +GimpColorDisplay * +gimp_color_display_new (GType display_type) +{ + g_return_val_if_fail (g_type_is_a (display_type, GIMP_TYPE_COLOR_DISPLAY), + NULL); + + return g_object_new (display_type, NULL); +} + +GimpColorDisplay * +gimp_color_display_clone (GimpColorDisplay *display) +{ + g_return_val_if_fail (GIMP_IS_COLOR_DISPLAY (display), NULL); + + /* implementing the clone method is deprecated + */ + if (GIMP_COLOR_DISPLAY_GET_CLASS (display)->clone) + { + GimpColorDisplay *clone; + + clone = GIMP_COLOR_DISPLAY_GET_CLASS (display)->clone (display); + + if (clone) + { + GimpColorDisplayPrivate *private; + + private = GIMP_COLOR_DISPLAY_GET_PRIVATE (display); + + g_object_set (clone, + "enabled", display->enabled, + "color-managed", private->managed, + NULL); + } + + return clone; + } + + return GIMP_COLOR_DISPLAY (gimp_config_duplicate (GIMP_CONFIG (display))); +} + +/** + * gimp_color_display_convert_buffer: + * @display: a #GimpColorDisplay + * @buffer: a #GeglBuffer + * @area: area in @buffer to convert + * + * Converts all pixels in @area of @buffer. + * + * Since: 2.10 + **/ +void +gimp_color_display_convert_buffer (GimpColorDisplay *display, + GeglBuffer *buffer, + GeglRectangle *area) +{ + g_return_if_fail (GIMP_IS_COLOR_DISPLAY (display)); + g_return_if_fail (GEGL_IS_BUFFER (buffer)); + + if (display->enabled && + GIMP_COLOR_DISPLAY_GET_CLASS (display)->convert_buffer) + { + GIMP_COLOR_DISPLAY_GET_CLASS (display)->convert_buffer (display, buffer, + area); + } +} + +/** + * gimp_color_display_convert_surface: + * @display: a #GimpColorDisplay + * @surface: a #cairo_image_surface_t of type ARGB32 + * + * Converts all pixels in @surface. + * + * Since: 2.8 + * + * Deprecated: GIMP 2.8: Use gimp_color_display_convert_buffer() instead. + **/ +void +gimp_color_display_convert_surface (GimpColorDisplay *display, + cairo_surface_t *surface) +{ + g_return_if_fail (GIMP_IS_COLOR_DISPLAY (display)); + g_return_if_fail (surface != NULL); + g_return_if_fail (cairo_surface_get_type (surface) == + CAIRO_SURFACE_TYPE_IMAGE); + + if (display->enabled && + GIMP_COLOR_DISPLAY_GET_CLASS (display)->convert_surface) + { + cairo_surface_flush (surface); + GIMP_COLOR_DISPLAY_GET_CLASS (display)->convert_surface (display, surface); + cairo_surface_mark_dirty (surface); + } +} + +/** + * gimp_color_display_convert: + * @display: a #GimpColorDisplay + * @buf: the pixel buffer to convert + * @width: the width of the buffer + * @height: the height of the buffer + * @bpp: the number of bytes per pixel + * @bpl: the buffer's rowstride + * + * Converts all pixels in @buf. + * + * Deprecated: GIMP 2.8: Use gimp_color_display_convert_buffer() instead. + **/ +void +gimp_color_display_convert (GimpColorDisplay *display, + guchar *buf, + gint width, + gint height, + gint bpp, + gint bpl) +{ + g_return_if_fail (GIMP_IS_COLOR_DISPLAY (display)); + + /* implementing the convert method is deprecated + */ + if (display->enabled && GIMP_COLOR_DISPLAY_GET_CLASS (display)->convert) + GIMP_COLOR_DISPLAY_GET_CLASS (display)->convert (display, buf, + width, height, + bpp, bpl); +} + +void +gimp_color_display_load_state (GimpColorDisplay *display, + GimpParasite *state) +{ + g_return_if_fail (GIMP_IS_COLOR_DISPLAY (display)); + g_return_if_fail (state != NULL); + + /* implementing the load_state method is deprecated + */ + if (GIMP_COLOR_DISPLAY_GET_CLASS (display)->load_state) + { + GIMP_COLOR_DISPLAY_GET_CLASS (display)->load_state (display, state); + } + else + { + gimp_config_deserialize_string (GIMP_CONFIG (display), + gimp_parasite_data (state), + gimp_parasite_data_size (state), + NULL, NULL); + } +} + +GimpParasite * +gimp_color_display_save_state (GimpColorDisplay *display) +{ + GimpParasite *parasite; + gchar *str; + + g_return_val_if_fail (GIMP_IS_COLOR_DISPLAY (display), NULL); + + /* implementing the save_state method is deprecated + */ + if (GIMP_COLOR_DISPLAY_GET_CLASS (display)->save_state) + { + return GIMP_COLOR_DISPLAY_GET_CLASS (display)->save_state (display); + } + + str = gimp_config_serialize_to_string (GIMP_CONFIG (display), NULL); + + parasite = gimp_parasite_new ("Display/Proof", + GIMP_PARASITE_PERSISTENT, + strlen (str) + 1, str); + g_free (str); + + return parasite; +} + +GtkWidget * +gimp_color_display_configure (GimpColorDisplay *display) +{ + g_return_val_if_fail (GIMP_IS_COLOR_DISPLAY (display), NULL); + + if (GIMP_COLOR_DISPLAY_GET_CLASS (display)->configure) + return GIMP_COLOR_DISPLAY_GET_CLASS (display)->configure (display); + + return NULL; +} + +void +gimp_color_display_configure_reset (GimpColorDisplay *display) +{ + g_return_if_fail (GIMP_IS_COLOR_DISPLAY (display)); + + /* implementing the configure_reset method is deprecated + */ + if (GIMP_COLOR_DISPLAY_GET_CLASS (display)->configure_reset) + { + GIMP_COLOR_DISPLAY_GET_CLASS (display)->configure_reset (display); + } + else + { + gimp_config_reset (GIMP_CONFIG (display)); + } +} + +void +gimp_color_display_changed (GimpColorDisplay *display) +{ + g_return_if_fail (GIMP_IS_COLOR_DISPLAY (display)); + + g_signal_emit (display, display_signals[CHANGED], 0); +} + +void +gimp_color_display_set_enabled (GimpColorDisplay *display, + gboolean enabled) +{ + g_return_if_fail (GIMP_IS_COLOR_DISPLAY (display)); + + if (enabled != display->enabled) + { + g_object_set (display, + "enabled", enabled, + NULL); + } +} + +gboolean +gimp_color_display_get_enabled (GimpColorDisplay *display) +{ + g_return_val_if_fail (GIMP_IS_COLOR_DISPLAY (display), FALSE); + + return display->enabled; +} + +/** + * gimp_color_display_get_config: + * @display: + * + * Return value: a pointer to the #GimpColorConfig object or %NULL. + * + * Since: 2.4 + **/ +GimpColorConfig * +gimp_color_display_get_config (GimpColorDisplay *display) +{ + g_return_val_if_fail (GIMP_IS_COLOR_DISPLAY (display), NULL); + + return GIMP_COLOR_DISPLAY_GET_PRIVATE (display)->config; +} + +/** + * gimp_color_display_get_managed: + * @display: + * + * Return value: a pointer to the #GimpColorManaged object or %NULL. + * + * Since: 2.4 + **/ +GimpColorManaged * +gimp_color_display_get_managed (GimpColorDisplay *display) +{ + g_return_val_if_fail (GIMP_IS_COLOR_DISPLAY (display), NULL); + + return GIMP_COLOR_DISPLAY_GET_PRIVATE (display)->managed; +} |