nkeynes@94 | 1 | /**
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nkeynes@561 | 2 | * $Id$
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nkeynes@94 | 3 | *
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nkeynes@94 | 4 | * The PC side of the video support (responsible for actually displaying /
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nkeynes@94 | 5 | * rendering frames)
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nkeynes@94 | 6 | *
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nkeynes@94 | 7 | * Copyright (c) 2005 Nathan Keynes.
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nkeynes@94 | 8 | *
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nkeynes@94 | 9 | * This program is free software; you can redistribute it and/or modify
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nkeynes@94 | 10 | * it under the terms of the GNU General Public License as published by
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nkeynes@94 | 11 | * the Free Software Foundation; either version 2 of the License, or
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nkeynes@94 | 12 | * (at your option) any later version.
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nkeynes@94 | 13 | *
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nkeynes@94 | 14 | * This program is distributed in the hope that it will be useful,
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nkeynes@94 | 15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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nkeynes@94 | 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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nkeynes@94 | 17 | * GNU General Public License for more details.
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nkeynes@94 | 18 | */
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nkeynes@94 | 19 |
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nkeynes@94 | 20 | #include <gdk/gdkx.h>
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nkeynes@485 | 21 | #include <gdk/gdkkeysyms.h>
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nkeynes@94 | 22 | #include <stdint.h>
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nkeynes@180 | 23 | #include "dream.h"
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nkeynes@144 | 24 | #include "display.h"
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nkeynes@545 | 25 | #include "drivers/video_glx.h"
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nkeynes@481 | 26 | #include "drivers/gl_common.h"
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nkeynes@537 | 27 | #include "gtkui/gtkui.h"
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nkeynes@94 | 28 |
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nkeynes@436 | 29 | static GtkWidget *video_win = NULL;
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nkeynes@436 | 30 | int video_width = 640;
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nkeynes@436 | 31 | int video_height = 480;
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nkeynes@94 | 32 |
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nkeynes@352 | 33 | gboolean video_gtk_init();
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nkeynes@352 | 34 | void video_gtk_shutdown();
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nkeynes@552 | 35 | gboolean video_gtk_display_blank( uint32_t colour );
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nkeynes@144 | 36 | uint16_t video_gtk_resolve_keysym( const gchar *keysym );
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nkeynes@94 | 37 |
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nkeynes@370 | 38 | struct display_driver display_gtk_driver = { "gtk", video_gtk_init, video_gtk_shutdown,
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nkeynes@352 | 39 | video_gtk_resolve_keysym,
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nkeynes@552 | 40 | NULL, NULL, NULL, NULL, NULL,
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nkeynes@552 | 41 | video_gtk_display_blank, NULL };
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nkeynes@449 | 42 |
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nkeynes@449 | 43 | /**
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nkeynes@449 | 44 | * Extract the keyval of the key event if no modifier keys were pressed -
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nkeynes@449 | 45 | * in other words get the keyval of the key by itself. The other way around
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nkeynes@449 | 46 | * would be to use the hardware keysyms directly rather than the keyvals,
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nkeynes@449 | 47 | * but the mapping looks to be messier.
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nkeynes@449 | 48 | */
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nkeynes@449 | 49 | uint16_t video_gtk_unmodified_keyval( GdkEventKey *event )
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nkeynes@449 | 50 | {
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nkeynes@449 | 51 | GdkKeymap *keymap = gdk_keymap_get_default();
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nkeynes@449 | 52 | guint keyval;
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nkeynes@449 | 53 |
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nkeynes@449 | 54 | gdk_keymap_translate_keyboard_state( keymap, event->hardware_keycode, 0, 0, &keyval,
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nkeynes@449 | 55 | NULL, NULL, NULL );
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nkeynes@449 | 56 | return keyval;
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nkeynes@449 | 57 | }
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nkeynes@144 | 58 |
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nkeynes@144 | 59 | gboolean video_gtk_keydown_callback(GtkWidget *widget,
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nkeynes@144 | 60 | GdkEventKey *event,
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nkeynes@144 | 61 | gpointer user_data)
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nkeynes@144 | 62 | {
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nkeynes@449 | 63 | input_event_keydown( video_gtk_unmodified_keyval(event) );
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nkeynes@449 | 64 | return TRUE;
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nkeynes@449 | 65 | }
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nkeynes@449 | 66 |
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nkeynes@449 | 67 | gboolean video_gtk_keyup_callback(GtkWidget *widget,
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nkeynes@449 | 68 | GdkEventKey *event,
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nkeynes@449 | 69 | gpointer user_data)
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nkeynes@449 | 70 | {
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nkeynes@449 | 71 | input_event_keyup( video_gtk_unmodified_keyval(event) );
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nkeynes@424 | 72 | return TRUE;
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nkeynes@144 | 73 | }
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nkeynes@144 | 74 |
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nkeynes@144 | 75 | uint16_t video_gtk_resolve_keysym( const gchar *keysym )
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nkeynes@144 | 76 | {
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nkeynes@144 | 77 | int val = gdk_keyval_from_name( keysym );
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nkeynes@144 | 78 | if( val == GDK_VoidSymbol )
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nkeynes@144 | 79 | return 0;
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nkeynes@144 | 80 | return (uint16_t)val;
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nkeynes@144 | 81 | }
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nkeynes@144 | 82 |
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nkeynes@435 | 83 | gboolean video_gtk_expose_callback(GtkWidget *widget, GdkEventExpose *event, gpointer data )
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nkeynes@435 | 84 | {
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nkeynes@545 | 85 | render_buffer_t buffer = pvr2_get_front_buffer();
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nkeynes@545 | 86 | if( buffer == NULL ) {
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nkeynes@545 | 87 | display_gtk_driver.display_blank(pvr2_get_border_colour());
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nkeynes@545 | 88 | } else {
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nkeynes@545 | 89 | display_gtk_driver.display_render_buffer(buffer);
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nkeynes@545 | 90 | }
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nkeynes@443 | 91 | return TRUE;
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nkeynes@435 | 92 | }
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nkeynes@435 | 93 |
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nkeynes@436 | 94 | gboolean video_gtk_resize_callback(GtkWidget *widget, GdkEventConfigure *event, gpointer data )
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nkeynes@436 | 95 | {
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nkeynes@436 | 96 | video_width = event->width;
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nkeynes@436 | 97 | video_height = event->height;
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nkeynes@545 | 98 | video_gtk_expose_callback(widget, NULL, data);
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nkeynes@443 | 99 | return TRUE;
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nkeynes@436 | 100 | }
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nkeynes@436 | 101 |
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nkeynes@352 | 102 | gboolean video_gtk_init()
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nkeynes@94 | 103 | {
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nkeynes@545 | 104 |
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nkeynes@435 | 105 | video_win = gtk_gui_get_renderarea();
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nkeynes@530 | 106 | if( video_win == NULL ) {
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nkeynes@530 | 107 | return FALSE;
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nkeynes@530 | 108 | }
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nkeynes@435 | 109 |
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nkeynes@352 | 110 | g_signal_connect( video_win, "key_press_event",
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nkeynes@352 | 111 | G_CALLBACK(video_gtk_keydown_callback), NULL );
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nkeynes@352 | 112 | g_signal_connect( video_win, "key_release_event",
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nkeynes@352 | 113 | G_CALLBACK(video_gtk_keyup_callback), NULL );
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nkeynes@435 | 114 | g_signal_connect( video_win, "expose_event",
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nkeynes@435 | 115 | G_CALLBACK(video_gtk_expose_callback), NULL );
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nkeynes@436 | 116 | g_signal_connect( video_win, "configure_event",
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nkeynes@436 | 117 | G_CALLBACK(video_gtk_resize_callback), NULL );
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nkeynes@435 | 118 | gtk_widget_add_events( video_win,
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nkeynes@352 | 119 | GDK_KEY_PRESS_MASK | GDK_KEY_RELEASE_MASK |
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nkeynes@352 | 120 | GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK );
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nkeynes@443 | 121 | gtk_widget_set_double_buffered( video_win, FALSE );
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nkeynes@436 | 122 | video_width = video_win->allocation.width;
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nkeynes@436 | 123 | video_height = video_win->allocation.height;
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nkeynes@545 | 124 | Display *display = gdk_x11_display_get_xdisplay( gtk_widget_get_display(GTK_WIDGET(video_win)));
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nkeynes@545 | 125 | Window window = GDK_WINDOW_XWINDOW( GTK_WIDGET(video_win)->window );
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nkeynes@552 | 126 | if( ! video_glx_init_context( display, window ) ||
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nkeynes@552 | 127 | ! video_glx_init_driver( &display_gtk_driver ) ) {
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nkeynes@552 | 128 | return FALSE;
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nkeynes@552 | 129 | }
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nkeynes@552 | 130 | return TRUE;
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nkeynes@552 | 131 | }
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nkeynes@552 | 132 |
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nkeynes@552 | 133 | gboolean video_gtk_display_blank( uint32_t colour )
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nkeynes@552 | 134 | {
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nkeynes@552 | 135 | GdkGC *gc = gdk_gc_new(video_win->window);
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nkeynes@552 | 136 | GdkColor color = {0, ((colour>>16)&0xFF)*257, ((colour>>8)&0xFF)*257, ((colour)&0xFF)*257 };
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nkeynes@552 | 137 | GdkColormap *cmap = gdk_colormap_get_system();
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nkeynes@552 | 138 | gdk_colormap_alloc_color( cmap, &color, TRUE, TRUE );
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nkeynes@552 | 139 | gdk_gc_set_foreground( gc, &color );
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nkeynes@552 | 140 | gdk_gc_set_background( gc, &color );
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nkeynes@552 | 141 | gdk_draw_rectangle( video_win->window, gc, TRUE, 0, 0, video_width, video_height );
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nkeynes@552 | 142 | gdk_gc_destroy(gc);
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nkeynes@552 | 143 | gdk_colormap_free_colors( cmap, &color, 1 );
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nkeynes@94 | 144 | }
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nkeynes@94 | 145 |
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nkeynes@352 | 146 | void video_gtk_shutdown()
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nkeynes@352 | 147 | {
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nkeynes@530 | 148 | if( video_win != NULL ) {
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nkeynes@530 | 149 | video_glx_shutdown();
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nkeynes@530 | 150 | }
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nkeynes@352 | 151 |
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nkeynes@94 | 152 | }
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nkeynes@94 | 153 |
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