mirror of https://github.com/GNOME/gimp.git
673 lines
20 KiB
C
673 lines
20 KiB
C
/* GIMP - The GNU Image Manipulation Program
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* Copyright (C) 1995 Spencer Kimball and Peter Mattis
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#include "config.h"
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#include <gtk/gtk.h>
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#include "libgimpmath/gimpmath.h"
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#include "display-types.h"
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#include "tools/tools-types.h"
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#include "config/gimpdisplayconfig.h"
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#include "core/gimp.h"
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#include "core/gimparea.h"
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#include "core/gimpimage.h"
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#include "core/gimplist.h"
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#include "core/gimpprogress.h"
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#include "tools/gimptool.h"
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#include "tools/tool_manager.h"
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#include "gimpdisplay.h"
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#include "gimpdisplay-handlers.h"
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#include "gimpdisplayshell.h"
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#include "gimpdisplayshell-handlers.h"
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#include "gimpdisplayshell-icon.h"
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#include "gimpdisplayshell-transform.h"
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#include "gimp-intl.h"
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enum
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{
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PROP_0,
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PROP_ID,
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PROP_GIMP,
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PROP_IMAGE,
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PROP_SHELL
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};
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/* local function prototypes */
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static void gimp_display_progress_iface_init (GimpProgressInterface *iface);
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static void gimp_display_set_property (GObject *object,
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guint property_id,
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const GValue *value,
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GParamSpec *pspec);
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static void gimp_display_get_property (GObject *object,
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guint property_id,
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GValue *value,
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GParamSpec *pspec);
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static GimpProgress *
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gimp_display_progress_start (GimpProgress *progress,
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const gchar *message,
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gboolean cancelable);
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static void gimp_display_progress_end (GimpProgress *progress);
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static gboolean gimp_display_progress_is_active (GimpProgress *progress);
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static void gimp_display_progress_set_text (GimpProgress *progress,
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const gchar *message);
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static void gimp_display_progress_set_value (GimpProgress *progress,
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gdouble percentage);
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static gdouble gimp_display_progress_get_value (GimpProgress *progress);
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static void gimp_display_progress_pulse (GimpProgress *progress);
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static guint32 gimp_display_progress_get_window (GimpProgress *progress);
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static gboolean gimp_display_progress_message (GimpProgress *progress,
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Gimp *gimp,
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GimpMessageSeverity severity,
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const gchar *domain,
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const gchar *message);
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static void gimp_display_progress_canceled (GimpProgress *progress,
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GimpDisplay *display);
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static void gimp_display_flush_whenever (GimpDisplay *display,
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gboolean now);
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static void gimp_display_paint_area (GimpDisplay *display,
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gint x,
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gint y,
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gint w,
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gint h);
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G_DEFINE_TYPE_WITH_CODE (GimpDisplay, gimp_display, GIMP_TYPE_OBJECT,
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G_IMPLEMENT_INTERFACE (GIMP_TYPE_PROGRESS,
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gimp_display_progress_iface_init))
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#define parent_class gimp_display_parent_class
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static void
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gimp_display_class_init (GimpDisplayClass *klass)
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{
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GObjectClass *object_class = G_OBJECT_CLASS (klass);
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object_class->set_property = gimp_display_set_property;
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object_class->get_property = gimp_display_get_property;
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g_object_class_install_property (object_class, PROP_ID,
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g_param_spec_int ("id",
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NULL, NULL,
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0, G_MAXINT, 0,
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GIMP_PARAM_READWRITE |
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G_PARAM_CONSTRUCT_ONLY));
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g_object_class_install_property (object_class, PROP_GIMP,
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g_param_spec_object ("gimp",
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NULL, NULL,
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GIMP_TYPE_GIMP,
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GIMP_PARAM_READWRITE |
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G_PARAM_CONSTRUCT_ONLY));
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g_object_class_install_property (object_class, PROP_IMAGE,
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g_param_spec_object ("image",
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NULL, NULL,
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GIMP_TYPE_IMAGE,
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GIMP_PARAM_READABLE));
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g_object_class_install_property (object_class, PROP_SHELL,
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g_param_spec_object ("shell",
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NULL, NULL,
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GIMP_TYPE_DISPLAY_SHELL,
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GIMP_PARAM_READABLE));
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}
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static void
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gimp_display_init (GimpDisplay *display)
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{
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display->ID = 0;
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display->gimp = NULL;
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display->image = NULL;
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display->instance = 0;
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display->shell = NULL;
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display->update_areas = NULL;
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}
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static void
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gimp_display_progress_iface_init (GimpProgressInterface *iface)
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{
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iface->start = gimp_display_progress_start;
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iface->end = gimp_display_progress_end;
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iface->is_active = gimp_display_progress_is_active;
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iface->set_text = gimp_display_progress_set_text;
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iface->set_value = gimp_display_progress_set_value;
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iface->get_value = gimp_display_progress_get_value;
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iface->pulse = gimp_display_progress_pulse;
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iface->get_window = gimp_display_progress_get_window;
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iface->message = gimp_display_progress_message;
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}
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static void
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gimp_display_set_property (GObject *object,
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guint property_id,
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const GValue *value,
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GParamSpec *pspec)
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{
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GimpDisplay *display = GIMP_DISPLAY (object);
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switch (property_id)
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{
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case PROP_ID:
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display->ID = g_value_get_int (value);
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break;
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case PROP_GIMP:
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display->gimp = g_value_get_object (value); /* don't ref the gimp */
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display->config = GIMP_DISPLAY_CONFIG (display->gimp->config);
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break;
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case PROP_IMAGE:
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case PROP_SHELL:
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g_assert_not_reached ();
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
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break;
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}
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}
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static void
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gimp_display_get_property (GObject *object,
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guint property_id,
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GValue *value,
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GParamSpec *pspec)
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{
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GimpDisplay *display = GIMP_DISPLAY (object);
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switch (property_id)
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{
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case PROP_ID:
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g_value_set_int (value, display->ID);
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break;
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case PROP_GIMP:
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g_value_set_object (value, display->gimp);
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break;
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case PROP_IMAGE:
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g_value_set_object (value, display->image);
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break;
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case PROP_SHELL:
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g_value_set_object (value, display->shell);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
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break;
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}
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}
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static GimpProgress *
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gimp_display_progress_start (GimpProgress *progress,
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const gchar *message,
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gboolean cancelable)
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{
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GimpDisplay *display = GIMP_DISPLAY (progress);
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if (display->shell)
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return gimp_progress_start (GIMP_PROGRESS (display->shell),
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message, cancelable);
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return NULL;
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}
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static void
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gimp_display_progress_end (GimpProgress *progress)
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{
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GimpDisplay *display = GIMP_DISPLAY (progress);
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if (display->shell)
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gimp_progress_end (GIMP_PROGRESS (display->shell));
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}
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static gboolean
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gimp_display_progress_is_active (GimpProgress *progress)
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{
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GimpDisplay *display = GIMP_DISPLAY (progress);
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if (display->shell)
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return gimp_progress_is_active (GIMP_PROGRESS (display->shell));
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return FALSE;
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}
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static void
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gimp_display_progress_set_text (GimpProgress *progress,
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const gchar *message)
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{
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GimpDisplay *display = GIMP_DISPLAY (progress);
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if (display->shell)
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gimp_progress_set_text (GIMP_PROGRESS (display->shell), message);
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}
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static void
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gimp_display_progress_set_value (GimpProgress *progress,
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gdouble percentage)
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{
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GimpDisplay *display = GIMP_DISPLAY (progress);
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if (display->shell)
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gimp_progress_set_value (GIMP_PROGRESS (display->shell), percentage);
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}
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static gdouble
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gimp_display_progress_get_value (GimpProgress *progress)
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{
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GimpDisplay *display = GIMP_DISPLAY (progress);
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if (display->shell)
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return gimp_progress_get_value (GIMP_PROGRESS (display->shell));
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return 0.0;
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}
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static void
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gimp_display_progress_pulse (GimpProgress *progress)
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{
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GimpDisplay *display = GIMP_DISPLAY (progress);
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if (display->shell)
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gimp_progress_pulse (GIMP_PROGRESS (display->shell));
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}
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static guint32
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gimp_display_progress_get_window (GimpProgress *progress)
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{
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GimpDisplay *display = GIMP_DISPLAY (progress);
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if (display->shell)
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return gimp_progress_get_window (GIMP_PROGRESS (display->shell));
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return 0;
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}
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static gboolean
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gimp_display_progress_message (GimpProgress *progress,
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Gimp *gimp,
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GimpMessageSeverity severity,
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const gchar *domain,
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const gchar *message)
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{
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GimpDisplay *display = GIMP_DISPLAY (progress);
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if (display->shell)
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return gimp_progress_message (GIMP_PROGRESS (display->shell), gimp,
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severity, domain, message);
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return FALSE;
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}
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static void
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gimp_display_progress_canceled (GimpProgress *progress,
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GimpDisplay *display)
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{
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gimp_progress_cancel (GIMP_PROGRESS (display));
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}
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/* public functions */
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GimpDisplay *
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gimp_display_new (Gimp *gimp,
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GimpImage *image,
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GimpUnit unit,
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gdouble scale,
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GimpMenuFactory *menu_factory,
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GimpUIManager *popup_manager,
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GimpDialogFactory *display_factory)
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{
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GimpDisplay *display;
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gint ID;
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g_return_val_if_fail (GIMP_IS_GIMP (gimp), NULL);
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g_return_val_if_fail (image == NULL || GIMP_IS_IMAGE (image), NULL);
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/* If there isn't an interface, never create a display */
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if (gimp->no_interface)
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return NULL;
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do
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{
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ID = gimp->next_display_ID++;
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if (gimp->next_display_ID == G_MAXINT)
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gimp->next_display_ID = 1;
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}
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while (gimp_display_get_by_ID (gimp, ID));
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display = g_object_new (GIMP_TYPE_DISPLAY,
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"id", ID,
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"gimp", gimp,
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NULL);
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/* refs the image */
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if (image)
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gimp_display_connect (display, image);
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/* create the shell for the image */
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display->shell = gimp_display_shell_new (display, unit, scale,
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menu_factory, popup_manager,
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display_factory);
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gtk_widget_show (display->shell);
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g_signal_connect (GIMP_DISPLAY_SHELL (display->shell)->statusbar, "cancel",
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G_CALLBACK (gimp_display_progress_canceled),
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display);
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/* add the display to the list */
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gimp_container_add (gimp->displays, GIMP_OBJECT (display));
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return display;
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}
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/**
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* gimp_display_delete:
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* @display:
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*
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* Closes the display and removes it from the display list. You should
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* not call this function directly, use gimp_display_close() instead.
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*/
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void
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gimp_display_delete (GimpDisplay *display)
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{
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GimpTool *active_tool;
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g_return_if_fail (GIMP_IS_DISPLAY (display));
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/* remove the display from the list */
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gimp_container_remove (display->gimp->displays, GIMP_OBJECT (display));
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/* unrefs the image */
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gimp_display_set_image (display, NULL);
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active_tool = tool_manager_get_active (display->gimp);
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if (active_tool && active_tool->focus_display == display)
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tool_manager_focus_display_active (display->gimp, NULL);
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/* free the update area lists */
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gimp_area_list_free (display->update_areas);
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display->update_areas = NULL;
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if (display->shell)
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{
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GtkWidget *shell = display->shell;
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/* set display->shell to NULL *before* destroying the shell.
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* all callbacks in gimpdisplayshell-callbacks.c will check
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* this pointer and do nothing if the shell is in destruction.
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*/
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display->shell = NULL;
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gtk_widget_destroy (shell);
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}
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g_object_unref (display);
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}
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/**
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* gimp_display_close:
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* @display:
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*
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* Closes the display. If this is the last display, it will remain
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* open, but without an image.
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*/
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void
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gimp_display_close (GimpDisplay *display)
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{
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g_return_if_fail (GIMP_IS_DISPLAY (display));
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if (gimp_container_num_children (display->gimp->displays) > 1)
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{
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gimp_display_delete (display);
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}
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else
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{
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gimp_display_empty (display);
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}
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}
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gint
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gimp_display_get_ID (GimpDisplay *display)
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{
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g_return_val_if_fail (GIMP_IS_DISPLAY (display), -1);
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return display->ID;
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}
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GimpDisplay *
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gimp_display_get_by_ID (Gimp *gimp,
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gint ID)
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{
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GList *list;
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g_return_val_if_fail (GIMP_IS_GIMP (gimp), NULL);
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for (list = GIMP_LIST (gimp->displays)->list;
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list;
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list = g_list_next (list))
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{
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GimpDisplay *display = list->data;
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if (display->ID == ID)
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return display;
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}
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return NULL;
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}
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void
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gimp_display_set_image (GimpDisplay *display,
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GimpImage *image)
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{
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GimpImage *old_image = NULL;
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g_return_if_fail (GIMP_IS_DISPLAY (display));
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g_return_if_fail (image == NULL || GIMP_IS_IMAGE (image));
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if (display->image)
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{
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/* stop any active tool */
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tool_manager_control_active (display->gimp, GIMP_TOOL_ACTION_HALT,
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display);
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gimp_display_shell_disconnect (GIMP_DISPLAY_SHELL (display->shell));
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old_image = g_object_ref (display->image);
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gimp_display_disconnect (display);
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}
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if (image)
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gimp_display_connect (display, image);
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if (old_image)
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g_object_unref (old_image);
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if (image)
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gimp_display_shell_reconnect (GIMP_DISPLAY_SHELL (display->shell));
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else
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gimp_display_shell_icon_update (GIMP_DISPLAY_SHELL (display->shell));
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}
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void
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gimp_display_empty (GimpDisplay *display)
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{
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g_return_if_fail (GIMP_IS_DISPLAY (display));
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g_return_if_fail (GIMP_IS_IMAGE (display->image));
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gimp_display_set_image (display, NULL);
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gimp_display_shell_empty (GIMP_DISPLAY_SHELL (display->shell));
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}
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void
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gimp_display_fill (GimpDisplay *display,
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GimpImage *image,
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GimpUnit unit,
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gdouble scale)
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{
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g_return_if_fail (GIMP_IS_DISPLAY (display));
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g_return_if_fail (GIMP_IS_IMAGE (image));
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gimp_display_set_image (display, image);
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gimp_display_shell_fill (GIMP_DISPLAY_SHELL (display->shell),
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image, unit, scale);
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}
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void
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gimp_display_update_area (GimpDisplay *display,
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gboolean now,
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gint x,
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gint y,
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gint w,
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gint h)
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{
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g_return_if_fail (GIMP_IS_DISPLAY (display));
|
|
|
|
if (now)
|
|
{
|
|
gimp_display_paint_area (display, x, y, w, h);
|
|
}
|
|
else
|
|
{
|
|
GimpArea *area;
|
|
gint image_width = gimp_image_get_width (display->image);
|
|
gint image_height = gimp_image_get_height (display->image);
|
|
|
|
area = gimp_area_new (CLAMP (x, 0, image_width),
|
|
CLAMP (y, 0, image_height),
|
|
CLAMP (x + w, 0, image_width),
|
|
CLAMP (y + h, 0, image_height));
|
|
|
|
display->update_areas = gimp_area_list_process (display->update_areas,
|
|
area);
|
|
}
|
|
}
|
|
|
|
void
|
|
gimp_display_flush (GimpDisplay *display)
|
|
{
|
|
g_return_if_fail (GIMP_IS_DISPLAY (display));
|
|
|
|
gimp_display_flush_whenever (display, FALSE);
|
|
}
|
|
|
|
void
|
|
gimp_display_flush_now (GimpDisplay *display)
|
|
{
|
|
g_return_if_fail (GIMP_IS_DISPLAY (display));
|
|
|
|
gimp_display_flush_whenever (display, TRUE);
|
|
}
|
|
|
|
|
|
/* private functions */
|
|
|
|
static void
|
|
gimp_display_flush_whenever (GimpDisplay *display,
|
|
gboolean now)
|
|
{
|
|
if (display->update_areas)
|
|
{
|
|
GSList *list;
|
|
|
|
for (list = display->update_areas; list; list = g_slist_next (list))
|
|
{
|
|
GimpArea *area = list->data;
|
|
|
|
if ((area->x1 != area->x2) && (area->y1 != area->y2))
|
|
{
|
|
gimp_display_paint_area (display,
|
|
area->x1,
|
|
area->y1,
|
|
(area->x2 - area->x1),
|
|
(area->y2 - area->y1));
|
|
}
|
|
}
|
|
|
|
gimp_area_list_free (display->update_areas);
|
|
display->update_areas = NULL;
|
|
}
|
|
|
|
gimp_display_shell_flush (GIMP_DISPLAY_SHELL (display->shell), now);
|
|
}
|
|
|
|
static void
|
|
gimp_display_paint_area (GimpDisplay *display,
|
|
gint x,
|
|
gint y,
|
|
gint w,
|
|
gint h)
|
|
{
|
|
GimpDisplayShell *shell = GIMP_DISPLAY_SHELL (display->shell);
|
|
gint image_width = gimp_image_get_width (display->image);
|
|
gint image_height = gimp_image_get_height (display->image);
|
|
gint x1, y1, x2, y2;
|
|
gdouble x1_f, y1_f, x2_f, y2_f;
|
|
|
|
/* Bounds check */
|
|
x1 = CLAMP (x, 0, image_width);
|
|
y1 = CLAMP (y, 0, image_height);
|
|
x2 = CLAMP (x + w, 0, image_width);
|
|
y2 = CLAMP (y + h, 0, image_height);
|
|
|
|
x = x1;
|
|
y = y1;
|
|
w = (x2 - x1);
|
|
h = (y2 - y1);
|
|
|
|
/* display the area */
|
|
gimp_display_shell_transform_xy_f (shell, x, y, &x1_f, &y1_f, FALSE);
|
|
gimp_display_shell_transform_xy_f (shell, x + w, y + h, &x2_f, &y2_f, FALSE);
|
|
|
|
/* make sure to expose a superset of the transformed sub-pixel expose
|
|
* area, not a subset. bug #126942. --mitch
|
|
*
|
|
* also acommodate for spill introduced by potential box filtering.
|
|
* (bug #474509). --simon
|
|
*/
|
|
x1 = floor (x1_f - 0.5);
|
|
y1 = floor (y1_f - 0.5);
|
|
x2 = ceil (x2_f + 0.5);
|
|
y2 = ceil (y2_f + 0.5);
|
|
|
|
gimp_display_shell_expose_area (shell, x1, y1, x2 - x1, y2 - y1);
|
|
}
|