/* * Animation Playback plug-in version 0.99.1 * * (c) Adam D. Moss : 1997-2000 : adam@gimp.org : adam@foxbox.org * (c) Mircea Purdea : 2009 : someone_else@exhalus.net * (c) Jehan : 2012 : jehan at girinstud.io * * GIMP - The GNU Image Manipulation Program * Copyright (C) 1995 Spencer Kimball and Peter Mattis * * 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 . */ /* * TODO: * pdb interface - should we bother? * * speedups (caching? most bottlenecks seem to be in pixelrgns) * -> do pixelrgns properly! */ #include "config.h" #include #include #undef GDK_DISABLE_DEPRECATED #include #include "libgimp/stdplugins-intl.h" #define PLUG_IN_PROC "plug-in-animationplay" #define PLUG_IN_BINARY "animation-play" #define PLUG_IN_ROLE "gimp-animation-play" #define DITHERTYPE GDK_RGB_DITHER_NORMAL typedef enum { DISPOSE_COMBINE = 0x00, DISPOSE_REPLACE = 0x01 } DisposeType; typedef struct { gint duration_index; DisposeType default_frame_disposal; guint32 default_frame_duration; } AnimationSettings; /* for shaping */ typedef struct { gint x, y; } CursorOffset; /* Declare local functions. */ static void query (void); static void run (const gchar *name, gint nparams, const GimpParam *param, gint *nreturn_vals, GimpParam **return_vals); static void initialize (void); static void build_dialog (gchar *imagename); static void refresh_dialog (gchar *imagename); static void da_size_callback (GtkWidget *widget, GtkAllocation *allocation, void *data); static void sda_size_callback (GtkWidget *widget, GtkAllocation *allocation, void *data); static void window_destroy (GtkWidget *widget); static void play_callback (GtkToggleAction *action); static void step_back_callback (GtkAction *action); static void step_callback (GtkAction *action); static void refresh_callback (GtkAction *action); static void rewind_callback (GtkAction *action); static void speed_up_callback (GtkAction *action); static void speed_down_callback (GtkAction *action); static void speed_reset_callback (GtkAction *action); static void framecombo_changed (GtkWidget *combo, gpointer data); static void speedcombo_changed (GtkWidget *combo, gpointer data); static void fpscombo_changed (GtkWidget *combo, gpointer data); static void zoomcombo_activated (GtkEntry *combo, gpointer data); static void zoomcombo_changed (GtkWidget *combo, gpointer data); static gboolean repaint_sda (GtkWidget *darea, GdkEventExpose *event, gpointer data); static gboolean repaint_da (GtkWidget *darea, GdkEventExpose *event, gpointer data); static void init_frames (void); static void render_frame (gint32 whichframe); static void show_frame (void); static void total_alpha_preview (void); static void update_alpha_preview (void); static void update_combobox (void); static gdouble get_duration_factor (gint index); static gint get_fps (gint index); static gdouble get_scale (gint index); static void update_scale (gdouble scale); /* tag util functions*/ static gint parse_ms_tag (const gchar *str); static DisposeType parse_disposal_tag (const gchar *str); static gboolean is_disposal_tag (const gchar *str, DisposeType *disposal, gint *taglength); static gboolean is_ms_tag (const gchar *str, gint *duration, gint *taglength); const GimpPlugInInfo PLUG_IN_INFO = { NULL, /* init_proc */ NULL, /* quit_proc */ query, /* query_proc */ run, /* run_proc */ }; /* Global widgets'n'stuff */ static GtkWidget *window = NULL; static GdkWindow *root_win = NULL; static GtkUIManager *ui_manager = NULL; static GtkWidget *progress; static GtkWidget *speedcombo = NULL; static GtkWidget *fpscombo = NULL; static GtkWidget *zoomcombo = NULL; static GtkWidget *frame_disposal_combo = NULL; static gint32 image_id; static guint width = -1, height = -1; static gint32 *layers = NULL; static gint32 total_layers = 0; static GtkWidget *drawing_area = NULL; static guchar *drawing_area_data = NULL; static guint drawing_area_width = -1, drawing_area_height = -1; static guchar *preview_alpha1_data = NULL; static guchar *preview_alpha2_data = NULL; static GtkWidget *shape_window = NULL; static GtkWidget *shape_drawing_area = NULL; static guchar *shape_drawing_area_data = NULL; static guint shape_drawing_area_width = -1, shape_drawing_area_height = -1; static gchar *shape_preview_mask = NULL; static gint32 total_frames = 0; static gint32 *frames = NULL; static guchar *rawframe = NULL; static guint32 *frame_durations = NULL; static guint frame_number = 0; static gboolean playing = FALSE; static guint timer = 0; static gboolean detached = FALSE; static gdouble scale, shape_scale; /* Default settings. */ static AnimationSettings settings = { 3, DISPOSE_COMBINE, 100 /* ms */ }; static gint32 frames_image_id = 0; MAIN () static void query (void) { static const GimpParamDef args[] = { { GIMP_PDB_INT32, "run-mode", "The run mode { RUN-INTERACTIVE (0), RUN-NONINTERACTIVE (1) }" }, { GIMP_PDB_IMAGE, "image", "Input image" }, { GIMP_PDB_DRAWABLE, "drawable", "Input drawable (unused)" } }; gimp_install_procedure (PLUG_IN_PROC, N_("Preview a GIMP layer-based animation"), "", "Adam D. Moss ", "Adam D. Moss ", "1997, 1998...", N_("_Playback..."), "RGB*, INDEXED*, GRAY*", GIMP_PLUGIN, G_N_ELEMENTS (args), 0, args, NULL); gimp_plugin_menu_register (PLUG_IN_PROC, "/Filters/Animation"); gimp_plugin_icon_register (PLUG_IN_PROC, GIMP_ICON_TYPE_ICON_NAME, (const guint8 *) "media-playback-start"); } static void run (const gchar *name, gint n_params, const GimpParam *param, gint *nreturn_vals, GimpParam **return_vals) { static GimpParam values[1]; GimpRunMode run_mode; GimpPDBStatusType status = GIMP_PDB_SUCCESS; INIT_I18N (); gegl_init (NULL, NULL); *nreturn_vals = 1; *return_vals = values; run_mode = param[0].data.d_int32; if (run_mode == GIMP_RUN_NONINTERACTIVE && n_params != 3) { status = GIMP_PDB_CALLING_ERROR; } if (status == GIMP_PDB_SUCCESS) { gimp_get_data (PLUG_IN_PROC, &settings); image_id = param[1].data.d_image; initialize (); gtk_main (); gimp_set_data (PLUG_IN_PROC, &settings, sizeof (settings)); if (run_mode != GIMP_RUN_NONINTERACTIVE) gimp_displays_flush (); } values[0].type = GIMP_PDB_STATUS; values[0].data.d_status = status; gimp_image_delete (frames_image_id); gegl_exit (); } static void reshape_from_bitmap (const gchar *bitmap) { static gchar *prev_bitmap = NULL; static guint prev_width = -1; static guint prev_height = -1; if ((!prev_bitmap) || prev_width != shape_drawing_area_width || prev_height != shape_drawing_area_height || (memcmp (prev_bitmap, bitmap, (shape_drawing_area_width * shape_drawing_area_height) / 8 + shape_drawing_area_height))) { GdkBitmap *shape_mask; shape_mask = gdk_bitmap_create_from_data (gtk_widget_get_window (shape_window), bitmap, shape_drawing_area_width, shape_drawing_area_height); gtk_widget_shape_combine_mask (shape_window, shape_mask, 0, 0); g_object_unref (shape_mask); if (!prev_bitmap || prev_width != shape_drawing_area_width || prev_height != shape_drawing_area_height) { g_free(prev_bitmap); prev_bitmap = g_malloc ((shape_drawing_area_width * shape_drawing_area_height) / 8 + shape_drawing_area_height); prev_width = shape_drawing_area_width; prev_height = shape_drawing_area_height; } memcpy (prev_bitmap, bitmap, (shape_drawing_area_width * shape_drawing_area_height) / 8 + shape_drawing_area_height); } } static gboolean popup_menu (GtkWidget *widget, GdkEventButton *event) { GtkWidget *menu = gtk_ui_manager_get_widget (ui_manager, "/anim-play-popup"); gtk_menu_set_screen (GTK_MENU (menu), gtk_widget_get_screen (widget)); gtk_menu_popup (GTK_MENU (menu), NULL, NULL, NULL, NULL, event ? event->button : 0, event ? event->time : gtk_get_current_event_time ()); return TRUE; } static gboolean button_press (GtkWidget *widget, GdkEventButton *event) { if (gdk_event_triggers_context_menu ((GdkEvent *) event)) return popup_menu (widget, event); return FALSE; } /* * Update the actual drawing area metrics, which may be different as requested, * because there is no full control of the WM. * data is always NULL. */ static void da_size_callback (GtkWidget *widget, GtkAllocation *allocation, void *data) { if (allocation->width == drawing_area_width && allocation->height == drawing_area_height) return; drawing_area_width = allocation->width; drawing_area_height = allocation->height; scale = MIN ((gdouble) drawing_area_width / (gdouble) width, (gdouble) drawing_area_height / (gdouble) height); g_free (drawing_area_data); drawing_area_data = g_malloc (drawing_area_width * drawing_area_height * 3); update_alpha_preview (); if (! detached) { /* Update the zoom information. */ GtkEntry *zoomcombo_text_child; zoomcombo_text_child = GTK_ENTRY (gtk_bin_get_child (GTK_BIN (zoomcombo))); if (zoomcombo_text_child) { char* new_entry_text = g_strdup_printf (_("%.1f %%"), scale * 100.0); gtk_entry_set_text (zoomcombo_text_child, new_entry_text); g_free (new_entry_text); } /* Update the rawframe. */ g_free (rawframe); rawframe = g_malloc ((unsigned long) drawing_area_width * drawing_area_height * 4); /* As we re-allocated the drawn data, let's render it again. */ if (frame_number < total_frames) render_frame (frame_number); } else { /* Set "alpha grid" background. */ total_alpha_preview (); repaint_da(drawing_area, NULL, NULL); } } /* * Update the actual shape drawing area metrics, which may be different as requested, * They *should* be the same as the drawing area, but the safe way is to make sure * and process it separately. * data is always NULL. */ static void sda_size_callback (GtkWidget *widget, GtkAllocation *allocation, void *data) { if (allocation->width == shape_drawing_area_width && allocation->height == shape_drawing_area_height) return; shape_drawing_area_width = allocation->width; shape_drawing_area_height = allocation->height; shape_scale = MIN ((gdouble) shape_drawing_area_width / (gdouble) width, (gdouble) shape_drawing_area_height / (gdouble) height); g_free (shape_drawing_area_data); g_free (shape_preview_mask); shape_drawing_area_data = g_malloc (shape_drawing_area_width * shape_drawing_area_height * 3); shape_preview_mask = g_malloc ((shape_drawing_area_width * shape_drawing_area_height) / 8 + 1 + shape_drawing_area_height); if (detached) { /* Update the zoom information. */ GtkEntry *zoomcombo_text_child; zoomcombo_text_child = GTK_ENTRY (gtk_bin_get_child (GTK_BIN (zoomcombo))); if (zoomcombo_text_child) { char* new_entry_text = g_strdup_printf (_("%.1f %%"), shape_scale * 100.0); gtk_entry_set_text (zoomcombo_text_child, new_entry_text); g_free (new_entry_text); } /* Update the rawframe. */ g_free (rawframe); rawframe = g_malloc ((unsigned long) shape_drawing_area_width * shape_drawing_area_height * 4); if (frame_number < total_frames) render_frame (frame_number); } } static gboolean shape_pressed (GtkWidget *widget, GdkEventButton *event) { if (button_press (widget, event)) return TRUE; /* ignore double and triple click */ if (event->type == GDK_BUTTON_PRESS) { CursorOffset *p = g_object_get_data (G_OBJECT(widget), "cursor-offset"); if (!p) return FALSE; p->x = (gint) event->x; p->y = (gint) event->y; gtk_grab_add (widget); gdk_pointer_grab (gtk_widget_get_window (widget), TRUE, GDK_BUTTON_RELEASE_MASK | GDK_BUTTON_MOTION_MASK | GDK_POINTER_MOTION_HINT_MASK, NULL, NULL, 0); gdk_window_raise (gtk_widget_get_window (widget)); } return FALSE; } static gboolean shape_released (GtkWidget *widget) { gtk_grab_remove (widget); gdk_display_pointer_ungrab (gtk_widget_get_display (widget), 0); gdk_flush (); return FALSE; } static gboolean shape_motion (GtkWidget *widget, GdkEventMotion *event) { GdkModifierType mask; gint xp, yp; gdk_window_get_pointer (root_win, &xp, &yp, &mask); /* if a button is still held by the time we process this event... */ if (mask & GDK_BUTTON1_MASK) { CursorOffset *p = g_object_get_data (G_OBJECT (widget), "cursor-offset"); if (!p) return FALSE; gtk_window_move (GTK_WINDOW (widget), xp - p->x, yp - p->y); } else /* the user has released all buttons */ { shape_released (widget); } return FALSE; } static gboolean repaint_da (GtkWidget *darea, GdkEventExpose *event, gpointer data) { GtkStyle *style = gtk_widget_get_style (darea); gdk_draw_rgb_image (gtk_widget_get_window (darea), style->white_gc, (gint) ((drawing_area_width - scale * width) / 2), (gint) ((drawing_area_height - scale * height) / 2), drawing_area_width, drawing_area_height, (total_frames == 1) ? GDK_RGB_DITHER_MAX : DITHERTYPE, drawing_area_data, drawing_area_width * 3); return TRUE; } static gboolean repaint_sda (GtkWidget *darea, GdkEventExpose *event, gpointer data) { GtkStyle *style = gtk_widget_get_style (darea); gdk_draw_rgb_image (gtk_widget_get_window (darea), style->white_gc, (gint) ((shape_drawing_area_width - shape_scale * width) / 2), (gint) ((shape_drawing_area_height - shape_scale * height) / 2), shape_drawing_area_width, shape_drawing_area_height, (total_frames == 1) ? GDK_RGB_DITHER_MAX : DITHERTYPE, shape_drawing_area_data, shape_drawing_area_width * 3); return TRUE; } static void close_callback (GtkAction *action, gpointer data) { gtk_widget_destroy (GTK_WIDGET (data)); } static void help_callback (GtkAction *action, gpointer data) { gimp_standard_help_func (PLUG_IN_PROC, data); } static void detach_callback (GtkToggleAction *action) { gboolean active = gtk_toggle_action_get_active (action); if (active == detached) { g_warning ("detached state and toggle action got out of sync"); return; } detached = active; if (detached) { gint x, y; /* Create a total-alpha buffer merely for the not-shaped drawing area to now display. */ gtk_window_set_screen (GTK_WINDOW (shape_window), gtk_widget_get_screen (drawing_area)); gtk_widget_show (shape_window); if (!gtk_widget_get_realized (drawing_area)) gtk_widget_realize (drawing_area); if (!gtk_widget_get_realized (shape_drawing_area)) gtk_widget_realize (shape_drawing_area); gdk_window_get_origin (gtk_widget_get_window (drawing_area), &x, &y); gtk_window_move (GTK_WINDOW (shape_window), x + 6, y + 6); gdk_window_set_back_pixmap (gtk_widget_get_window (shape_drawing_area), NULL, TRUE); /* Set "alpha grid" background. */ total_alpha_preview (); repaint_da(drawing_area, NULL, NULL); } else gtk_widget_hide (shape_window); render_frame (frame_number); } static GtkUIManager * ui_manager_new (GtkWidget *window) { static GtkActionEntry actions[] = { { "step-back", "media-skip-backward", N_("Step _back"), "d", N_("Step back to previous frame"), G_CALLBACK (step_back_callback) }, { "step", "media-skip-forward", N_("_Step"), "f", N_("Step to next frame"), G_CALLBACK (step_callback) }, { "rewind", "media-seek-backward", NULL, NULL, N_("Rewind the animation"), G_CALLBACK (rewind_callback) }, { "refresh", GIMP_ICON_VIEW_REFRESH, NULL, "R", N_("Reload the image"), G_CALLBACK (refresh_callback) }, { "help", "help-browser", NULL, NULL, NULL, G_CALLBACK (help_callback) }, { "close", "window-close", NULL, "W", NULL, G_CALLBACK (close_callback) }, { "quit", "application-quit", NULL, "Q", NULL, G_CALLBACK (close_callback) }, { "speed-up", NULL, N_("Faster"), "L", N_("Increase the speed of the animation"), G_CALLBACK (speed_up_callback) }, { "speed-down", NULL, N_("Slower"), "J", N_("Decrease the speed of the animation"), G_CALLBACK (speed_down_callback) }, { "speed-reset", NULL, N_("Reset speed"), "K", N_("Reset the speed of the animation"), G_CALLBACK (speed_reset_callback) } }; static GtkToggleActionEntry toggle_actions[] = { { "play", "media-playback-start", NULL, "space", N_("Start playback"), G_CALLBACK (play_callback), FALSE }, { "detach", GIMP_ICON_DETACH, N_("Detach"), NULL, N_("Detach the animation from the dialog window"), G_CALLBACK (detach_callback), FALSE } }; GtkUIManager *ui_manager = gtk_ui_manager_new (); GtkActionGroup *group = gtk_action_group_new ("Actions"); GError *error = NULL; gtk_action_group_set_translation_domain (group, NULL); gtk_action_group_add_actions (group, actions, G_N_ELEMENTS (actions), window); gtk_action_group_add_toggle_actions (group, toggle_actions, G_N_ELEMENTS (toggle_actions), NULL); gtk_window_add_accel_group (GTK_WINDOW (window), gtk_ui_manager_get_accel_group (ui_manager)); gtk_accel_group_lock (gtk_ui_manager_get_accel_group (ui_manager)); gtk_ui_manager_insert_action_group (ui_manager, group, -1); g_object_unref (group); gtk_ui_manager_add_ui_from_string (ui_manager, "" " " " " " " " " " " " " " " " " " " " " " " " " " " "", -1, &error); if (error) { g_warning ("error parsing ui: %s", error->message); g_clear_error (&error); } gtk_ui_manager_add_ui_from_string (ui_manager, "" " " " " " " " " " " " " " " " " " " " " " " " " " " " " "", -1, &error); if (error) { g_warning ("error parsing ui: %s", error->message); g_clear_error (&error); } return ui_manager; } static void refresh_dialog (gchar *imagename) { gchar *name; GdkScreen *screen; guint screen_width, screen_height; gint window_width, window_height; /* Image Name */ name = g_strconcat (_("Animation Playback:"), " ", imagename, NULL); gtk_window_set_title (GTK_WINDOW (window), name); g_free (name); /* Update GUI size. */ screen = gtk_widget_get_screen (window); screen_height = gdk_screen_get_height (screen); screen_width = gdk_screen_get_width (screen); gtk_window_get_size (GTK_WINDOW (window), &window_width, &window_height); /* if the *window* size is bigger than the screen size, * diminish the drawing area by as much, then compute the corresponding scale. */ if (window_width + 50 > screen_width || window_height + 50 > screen_height) { guint expected_drawing_area_width = MAX (1, width - window_width + screen_width); guint expected_drawing_area_height = MAX (1, height - window_height + screen_height); gdouble expected_scale = MIN ((gdouble) expected_drawing_area_width / (gdouble) width, (gdouble) expected_drawing_area_height / (gdouble) height); update_scale (expected_scale); /* There is unfortunately no good way to know the size of the decorations, taskbars, etc. * So we take a wild guess by making the window slightly smaller to fit into any case. */ gtk_window_set_default_size (GTK_WINDOW (window), MIN (expected_drawing_area_width + 20, screen_width - 60), MIN (expected_drawing_area_height + 90, screen_height - 60)); gtk_window_reshow_with_initial_size (GTK_WINDOW (window)); } } static void build_dialog (gchar *imagename) { GtkWidget *toolbar; GtkWidget *frame; GtkWidget *viewport; GtkWidget *main_vbox; GtkWidget *vbox; GtkWidget *hbox; GtkWidget *abox; GtkToolItem *item; GtkAction *action; GdkCursor *cursor; gint index; gchar *text; gimp_ui_init (PLUG_IN_BINARY, TRUE); window = gtk_window_new (GTK_WINDOW_TOPLEVEL); gtk_window_set_role (GTK_WINDOW (window), "animation-playback"); g_signal_connect (window, "destroy", G_CALLBACK (window_destroy), NULL); g_signal_connect (window, "popup-menu", G_CALLBACK (popup_menu), NULL); gimp_help_connect (window, gimp_standard_help_func, PLUG_IN_PROC, NULL); ui_manager = ui_manager_new (window); main_vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0); gtk_container_add (GTK_CONTAINER (window), main_vbox); gtk_widget_show (main_vbox); toolbar = gtk_ui_manager_get_widget (ui_manager, "/anim-play-toolbar"); gtk_box_pack_start (GTK_BOX (main_vbox), toolbar, FALSE, FALSE, 0); gtk_widget_show (toolbar); item = GTK_TOOL_ITEM (gtk_ui_manager_get_widget (ui_manager, "/anim-play-toolbar/space")); gtk_separator_tool_item_set_draw (GTK_SEPARATOR_TOOL_ITEM (item), FALSE); gtk_tool_item_set_expand (item, TRUE); vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 2); gtk_box_pack_start (GTK_BOX (main_vbox), vbox, TRUE, TRUE, 0); gtk_widget_show (vbox); /* Alignment for the scrolling window, which can be resized by the user. */ abox = gtk_alignment_new (0.5, 0.5, 1.0, 1.0); gtk_box_pack_start (GTK_BOX (vbox), abox, TRUE, TRUE, 0); gtk_widget_show (abox); frame = gtk_scrolled_window_new (NULL, NULL); gtk_container_add (GTK_CONTAINER (abox), frame); gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (frame), GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC); gtk_widget_show (frame); viewport = gtk_viewport_new (NULL, NULL); gtk_container_add (GTK_CONTAINER (frame), viewport); gtk_widget_show (viewport); /* I add the drawing area inside an alignment box to prevent it from being resized. */ abox = gtk_alignment_new (0.5, 0.5, 0.0, 0.0); gtk_container_add (GTK_CONTAINER (viewport), abox); gtk_widget_show (abox); /* Build a drawing area, with a default size same as the image */ drawing_area = gtk_drawing_area_new (); gtk_widget_add_events (drawing_area, GDK_BUTTON_PRESS_MASK); gtk_container_add (GTK_CONTAINER (abox), drawing_area); gtk_widget_show (drawing_area); g_signal_connect (drawing_area, "size-allocate", G_CALLBACK(da_size_callback), NULL); g_signal_connect (drawing_area, "button-press-event", G_CALLBACK (button_press), NULL); /* Lower option bar. */ hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 2); gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, FALSE, 0); gtk_widget_show (hbox); /* Progress bar. */ progress = gtk_progress_bar_new (); gtk_box_pack_end (GTK_BOX (hbox), progress, TRUE, TRUE, 0); gtk_widget_show (progress); /* Zoom */ zoomcombo = gtk_combo_box_text_new_with_entry (); gtk_box_pack_end (GTK_BOX (hbox), zoomcombo, FALSE, FALSE, 0); gtk_widget_show (zoomcombo); for (index = 0; index < 5; index++) { /* list is given in "fps" - frames per second */ text = g_strdup_printf (_("%.1f %%"), get_scale (index) * 100.0); gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (zoomcombo), text); g_free (text); } gtk_combo_box_set_active (GTK_COMBO_BOX (zoomcombo), 2); /* 1.0 by default. */ g_signal_connect (GTK_ENTRY (gtk_bin_get_child (GTK_BIN (zoomcombo))), "activate", G_CALLBACK (zoomcombo_activated), NULL); g_signal_connect (zoomcombo, "changed", G_CALLBACK (zoomcombo_changed), NULL); gimp_help_set_help_data (zoomcombo, _("Zoom"), NULL); /* fps combo */ fpscombo = gtk_combo_box_text_new (); gtk_box_pack_end (GTK_BOX (hbox), fpscombo, FALSE, FALSE, 0); gtk_widget_show (fpscombo); for (index = 0; index < 9; index++) { /* list is given in "fps" - frames per second */ text = g_strdup_printf (_("%d fps"), get_fps (index)); gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (fpscombo), text); g_free (text); if (settings.default_frame_duration == 1000 / get_fps(index)) gtk_combo_box_set_active (GTK_COMBO_BOX (fpscombo), index); } g_signal_connect (fpscombo, "changed", G_CALLBACK (fpscombo_changed), NULL); gimp_help_set_help_data (fpscombo, _("Default framerate"), NULL); /* Speed Combo */ speedcombo = gtk_combo_box_text_new (); gtk_box_pack_end (GTK_BOX (hbox), speedcombo, FALSE, FALSE, 0); gtk_widget_show (speedcombo); for (index = 0; index < 7; index++) { text = g_strdup_printf ("%g\303\227", (100 / get_duration_factor (index)) / 100); gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (speedcombo), text); g_free (text); } gtk_combo_box_set_active (GTK_COMBO_BOX (speedcombo), settings.duration_index); g_signal_connect (speedcombo, "changed", G_CALLBACK (speedcombo_changed), NULL); gimp_help_set_help_data (speedcombo, _("Playback speed"), NULL); action = gtk_ui_manager_get_action (ui_manager, "/anim-play-popup/speed-reset"); gtk_action_set_sensitive (action, FALSE); /* Set up the frame disposal combo. */ frame_disposal_combo = gtk_combo_box_text_new (); /* 2 styles of default frame disposals: cumulative layers and one frame per layer. */ text = g_strdup (_("Cumulative layers (combine)")); gtk_combo_box_text_insert_text (GTK_COMBO_BOX_TEXT (frame_disposal_combo), DISPOSE_COMBINE, text); g_free (text); text = g_strdup (_("One frame per layer (replace)")); gtk_combo_box_text_insert_text (GTK_COMBO_BOX_TEXT (frame_disposal_combo), DISPOSE_REPLACE, text); g_free (text); gtk_combo_box_set_active (GTK_COMBO_BOX (frame_disposal_combo), settings.default_frame_disposal); g_signal_connect (frame_disposal_combo, "changed", G_CALLBACK (framecombo_changed), NULL); gtk_box_pack_end (GTK_BOX (hbox), frame_disposal_combo, FALSE, FALSE, 0); gtk_widget_show (frame_disposal_combo); gtk_window_set_resizable (GTK_WINDOW (window), TRUE); gtk_window_set_default_size (GTK_WINDOW (window), width + 20, height + 90); gtk_widget_show (window); /* shape_drawing_area for detached feature. */ shape_window = gtk_window_new (GTK_WINDOW_POPUP); gtk_window_set_resizable (GTK_WINDOW (shape_window), FALSE); shape_drawing_area = gtk_drawing_area_new (); gtk_container_add (GTK_CONTAINER (shape_window), shape_drawing_area); gtk_widget_show (shape_drawing_area); gtk_widget_add_events (shape_drawing_area, GDK_BUTTON_PRESS_MASK); gtk_widget_realize (shape_drawing_area); gdk_window_set_back_pixmap (gtk_widget_get_window (shape_window), NULL, FALSE); cursor = gdk_cursor_new_for_display (gtk_widget_get_display (shape_window), GDK_HAND2); gdk_window_set_cursor (gtk_widget_get_window (shape_window), cursor); gdk_cursor_unref (cursor); g_signal_connect(shape_drawing_area, "size-allocate", G_CALLBACK(sda_size_callback), NULL); g_signal_connect (shape_window, "button-press-event", G_CALLBACK (shape_pressed), NULL); g_signal_connect (shape_window, "button-release-event", G_CALLBACK (shape_released), NULL); g_signal_connect (shape_window, "motion-notify-event", G_CALLBACK (shape_motion), NULL); g_object_set_data (G_OBJECT (shape_window), "cursor-offset", g_new0 (CursorOffset, 1)); g_signal_connect (drawing_area, "expose-event", G_CALLBACK (repaint_da), NULL); g_signal_connect (shape_drawing_area, "expose-event", G_CALLBACK (repaint_sda), NULL); /* We request a minimum size *after* having connecting the * size-allocate signal for correct initialization. */ gtk_widget_set_size_request (drawing_area, width, height); gtk_widget_set_size_request (shape_drawing_area, width, height); root_win = gdk_get_default_root_window (); } static void init_frames (void) { /* Frames are associated to an unused image. */ gint i; gint32 new_frame, previous_frame, new_layer; gboolean animated; GtkAction *action; gint duration = 0; DisposeType disposal = settings.default_frame_disposal; gchar *layer_name; total_frames = total_layers; /* Cleanup before re-generation. */ if (frames) { gimp_image_delete (frames_image_id); g_free (frames); g_free (frame_durations); } frames = g_try_malloc0_n (total_frames, sizeof (gint32)); frame_durations = g_try_malloc0_n (total_frames, sizeof (guint32)); if (! frames || ! frame_durations) { gimp_message (_("Memory could not be allocated to the frame container.")); gtk_main_quit (); gimp_quit (); return; } /* We only use RGB images for display because indexed images would somehow render terrible colors. Layers from other types will be automatically converted. */ frames_image_id = gimp_image_new (width, height, GIMP_RGB); /* Save processing time and memory by not saving history and merged frames. */ gimp_image_undo_disable (frames_image_id); for (i = 0; i < total_frames; i++) { layer_name = gimp_item_get_name (layers[total_layers - (i + 1)]); if (layer_name) { duration = parse_ms_tag (layer_name); disposal = parse_disposal_tag (layer_name); g_free (layer_name); } if (i > 0 && disposal != DISPOSE_REPLACE) { previous_frame = gimp_layer_copy (frames[i - 1]); gimp_image_insert_layer (frames_image_id, previous_frame, 0, -1); gimp_item_set_visible (previous_frame, TRUE); } new_layer = gimp_layer_new_from_drawable (layers[total_layers - (i + 1)], frames_image_id); gimp_image_insert_layer (frames_image_id, new_layer, 0, -1); gimp_item_set_visible (new_layer, TRUE); new_frame = gimp_image_merge_visible_layers (frames_image_id, GIMP_CLIP_TO_IMAGE); frames[i] = new_frame; gimp_item_set_visible (new_frame, FALSE); if (duration <= 0) duration = settings.default_frame_duration; frame_durations[i] = (guint32) duration; } /* Update the UI. */ animated = total_frames >= 2; action = gtk_ui_manager_get_action (ui_manager, "/ui/anim-play-toolbar/play"); gtk_action_set_sensitive (action, animated); action = gtk_ui_manager_get_action (ui_manager, "/ui/anim-play-toolbar/step-back"); gtk_action_set_sensitive (action, animated); action = gtk_ui_manager_get_action (ui_manager, "/ui/anim-play-toolbar/step"); gtk_action_set_sensitive (action, animated); action = gtk_ui_manager_get_action (ui_manager, "/ui/anim-play-toolbar/rewind"); gtk_action_set_sensitive (action, animated); /* Keep the same frame number, unless it is now invalid. */ if (frame_number >= total_frames) frame_number = 0; } static void initialize (void) { /* Freeing existing data after a refresh. */ g_free (layers); /* Catch the case when the user has closed the image in the meantime. */ if (! gimp_image_is_valid (image_id)) { gimp_message (_("Invalid image. Did you close it?")); gtk_main_quit (); return; } width = gimp_image_width (image_id); height = gimp_image_height (image_id); layers = gimp_image_get_layers (image_id, &total_layers); if (!window) build_dialog (gimp_image_get_name (image_id)); refresh_dialog (gimp_image_get_name (image_id)); init_frames (); render_frame (frame_number); show_frame (); } /* Rendering Functions */ static void render_frame (gint32 whichframe) { GeglBuffer *buffer; gint i, j, k; guchar *srcptr; guchar *destptr; GtkWidget *da; guint drawing_width, drawing_height; gdouble drawing_scale; guchar *preview_data; g_assert (whichframe < total_frames); if (detached) { da = shape_drawing_area; preview_data = shape_drawing_area_data; drawing_width = shape_drawing_area_width; drawing_height = shape_drawing_area_height; drawing_scale = shape_scale; } else { da = drawing_area; preview_data = drawing_area_data; drawing_width = drawing_area_width; drawing_height = drawing_area_height; drawing_scale = scale; /* Set "alpha grid" background. */ total_alpha_preview (); } buffer = gimp_drawable_get_buffer (frames[whichframe]); /* Fetch and scale the whole raw new frame */ gegl_buffer_get (buffer, GEGL_RECTANGLE (0, 0, drawing_width, drawing_height), drawing_scale, babl_format ("R'G'B'A u8"), rawframe, GEGL_AUTO_ROWSTRIDE, GEGL_ABYSS_CLAMP); /* Number of pixels. */ i = drawing_width * drawing_height; destptr = preview_data; srcptr = rawframe; while (i--) { if (! (srcptr[3] & 128)) { srcptr += 4; destptr += 3; continue; } *(destptr++) = *(srcptr++); *(destptr++) = *(srcptr++); *(destptr++) = *(srcptr++); srcptr++; } /* calculate the shape mask */ if (detached) { memset (shape_preview_mask, 0, (drawing_width * drawing_height) / 8 + drawing_height); srcptr = rawframe + 3; for (j = 0; j < drawing_height; j++) { k = j * ((7 + drawing_width) / 8); for (i = 0; i < drawing_width; i++) { if ((*srcptr) & 128) shape_preview_mask[k + i/8] |= (1 << (i&7)); srcptr += 4; } } reshape_from_bitmap (shape_preview_mask); } /* Display the preview buffer. */ if (gtk_widget_get_realized (da)) gdk_draw_rgb_image (gtk_widget_get_window (da), (gtk_widget_get_style (da))->white_gc, (gint) ((drawing_width - drawing_scale * width) / 2), (gint) ((drawing_height - drawing_scale * height) / 2), drawing_width, drawing_height, (total_frames == 1 ? GDK_RGB_DITHER_MAX : DITHERTYPE), preview_data, drawing_width * 3); /* clean up */ g_object_unref (buffer); } static void show_frame (void) { gchar *text; /* update the dialog's progress bar */ gtk_progress_bar_set_fraction (GTK_PROGRESS_BAR (progress), ((gfloat) frame_number / (gfloat) (total_frames - 0.999))); text = g_strdup_printf (_("Frame %d of %d"), frame_number + 1, total_frames); gtk_progress_bar_set_text (GTK_PROGRESS_BAR (progress), text); g_free (text); } static void update_alpha_preview (void) { gint i; g_free (preview_alpha1_data); g_free (preview_alpha2_data); preview_alpha1_data = g_malloc (drawing_area_width * 3); preview_alpha2_data = g_malloc (drawing_area_width * 3); for (i = 0; i < drawing_area_width; i++) { if (i & 8) { preview_alpha1_data[i*3 + 0] = preview_alpha1_data[i*3 + 1] = preview_alpha1_data[i*3 + 2] = 102; preview_alpha2_data[i*3 + 0] = preview_alpha2_data[i*3 + 1] = preview_alpha2_data[i*3 + 2] = 154; } else { preview_alpha1_data[i*3 + 0] = preview_alpha1_data[i*3 + 1] = preview_alpha1_data[i*3 + 2] = 154; preview_alpha2_data[i*3 + 0] = preview_alpha2_data[i*3 + 1] = preview_alpha2_data[i*3 + 2] = 102; } } } static void total_alpha_preview (void) { gint i; for (i = 0; i < drawing_area_height; i++) { if (i & 8) memcpy (&drawing_area_data[i * 3 * drawing_area_width], preview_alpha1_data, 3 * drawing_area_width); else memcpy (&drawing_area_data[i * 3 * drawing_area_width], preview_alpha2_data, 3 * drawing_area_width); } } /* Util. */ static void remove_timer (void) { if (timer) { g_source_remove (timer); timer = 0; } } static void do_back_step (void) { if (frame_number == 0) frame_number = total_frames - 1; else frame_number = (frame_number - 1) % total_frames; render_frame (frame_number); } static void do_step (void) { frame_number = (frame_number + 1) % total_frames; render_frame (frame_number); } /* Callbacks */ static void window_destroy (GtkWidget *widget) { if (playing) remove_timer (); if (shape_window) gtk_widget_destroy (GTK_WIDGET (shape_window)); gtk_main_quit (); } static gint advance_frame_callback (gpointer data) { gdouble duration; remove_timer(); duration = frame_durations[(frame_number + 1) % total_frames]; timer = g_timeout_add (duration * get_duration_factor (settings.duration_index), advance_frame_callback, NULL); do_step (); show_frame (); return FALSE; } static void play_callback (GtkToggleAction *action) { if (playing) remove_timer (); playing = gtk_toggle_action_get_active (action); if (playing) { timer = g_timeout_add ((gdouble) frame_durations[frame_number] * get_duration_factor (settings.duration_index), advance_frame_callback, NULL); gtk_action_set_icon_name (GTK_ACTION (action), "media-playback-pause"); } else { gtk_action_set_icon_name (GTK_ACTION (action), "media-playback-start"); } g_object_set (action, "tooltip", playing ? _("Stop playback") : _("Start playback"), NULL); } static gdouble get_duration_factor (gint index) { switch (index) { case 0: return 0.125; case 1: return 0.25; case 2: return 0.5; case 3: return 1.0; case 4: return 2.0; case 5: return 4.0; case 6: return 8.0; default: return 1.0; } } static gint get_fps (gint index) { switch (index) { case 0: return 10; case 1: return 12; case 2: return 15; case 3: return 24; case 4: return 25; case 5: return 30; case 6: return 50; case 7: return 60; case 8: return 72; default: return 10; } } static gdouble get_scale (gint index) { switch (index) { case 0: return 0.51; case 1: return 1.0; case 2: return 1.25; case 3: return 1.5; case 4: return 2.0; default: { /* likely -1 returned if there is no active item from the list. * Try a text conversion, locale-aware in such a case, assuming people write in percent. */ gchar* active_text = gtk_combo_box_text_get_active_text (GTK_COMBO_BOX_TEXT (zoomcombo)); gdouble zoom = g_strtod (active_text, NULL); /* Negative scales are inconsistent. And we want to avoid huge scaling. */ if (zoom > 400.0) zoom = 400.0; else if (zoom <= 50.0) /* FIXME: scales under 0.5 are broken. See bug 690265. */ zoom = 50.1; g_free (active_text); return zoom / 100.0; } } } static void step_back_callback (GtkAction *action) { if (playing) gtk_action_activate (gtk_ui_manager_get_action (ui_manager, "/anim-play-toolbar/play")); do_back_step(); show_frame(); } static void step_callback (GtkAction *action) { if (playing) gtk_action_activate (gtk_ui_manager_get_action (ui_manager, "/anim-play-toolbar/play")); do_step(); show_frame(); } static void refresh_callback (GtkAction *action) { initialize (); } static void rewind_callback (GtkAction *action) { if (playing) gtk_action_activate (gtk_ui_manager_get_action (ui_manager, "/anim-play-toolbar/play")); frame_number = 0; render_frame (frame_number); show_frame (); } static void speed_up_callback (GtkAction *action) { if (settings.duration_index > 0) --settings.duration_index; gtk_action_set_sensitive (action, settings.duration_index > 0); action = gtk_ui_manager_get_action (ui_manager, "/anim-play-popup/speed-reset"); gtk_action_set_sensitive (action, settings.duration_index != 3); action = gtk_ui_manager_get_action (ui_manager, "/anim-play-popup/speed-down"); gtk_action_set_sensitive (action, TRUE); update_combobox (); } static void speed_down_callback (GtkAction *action) { if (settings.duration_index < 6) ++settings.duration_index; gtk_action_set_sensitive (action, settings.duration_index < 6); action = gtk_ui_manager_get_action (ui_manager, "/anim-play-popup/speed-reset"); gtk_action_set_sensitive (action, settings.duration_index != 3); action = gtk_ui_manager_get_action (ui_manager, "/anim-play-popup/speed-up"); gtk_action_set_sensitive (action, TRUE); update_combobox (); } static void speed_reset_callback (GtkAction *action) { settings.duration_index = 3; gtk_action_set_sensitive (action, FALSE); action = gtk_ui_manager_get_action (ui_manager, "/anim-play-popup/speed-down"); gtk_action_set_sensitive (action, TRUE); action = gtk_ui_manager_get_action (ui_manager, "/anim-play-popup/speed-up"); gtk_action_set_sensitive (action, TRUE); update_combobox (); } static void framecombo_changed (GtkWidget *combo, gpointer data) { settings.default_frame_disposal = gtk_combo_box_get_active (GTK_COMBO_BOX (combo)); init_frames (); render_frame (frame_number); } static void speedcombo_changed (GtkWidget *combo, gpointer data) { GtkAction * action; settings.duration_index = gtk_combo_box_get_active (GTK_COMBO_BOX (combo)); action = gtk_ui_manager_get_action (ui_manager, "/anim-play-popup/speed-reset"); gtk_action_set_sensitive (action, settings.duration_index != 3); action = gtk_ui_manager_get_action (ui_manager, "/anim-play-popup/speed-down"); gtk_action_set_sensitive (action, settings.duration_index < 6); action = gtk_ui_manager_get_action (ui_manager, "/anim-play-popup/speed-up"); gtk_action_set_sensitive (action, settings.duration_index > 0); } static void update_scale (gdouble scale) { guint expected_drawing_area_width; guint expected_drawing_area_height; /* FIXME: scales under 0.5 are broken. See bug 690265. */ if (scale <= 0.5) scale = 0.501; expected_drawing_area_width = width * scale; expected_drawing_area_height = height * scale; gtk_widget_set_size_request (drawing_area, expected_drawing_area_width, expected_drawing_area_height); gtk_widget_set_size_request (shape_drawing_area, expected_drawing_area_width, expected_drawing_area_height); /* I force the shape window to a smaller size if we scale down. */ if (detached) { gint x, y; gdk_window_get_origin (gtk_widget_get_window (shape_window), &x, &y); gtk_window_reshow_with_initial_size (GTK_WINDOW (shape_window)); gtk_window_move (GTK_WINDOW (shape_window), x, y); } } /* * Callback emitted when the user hits the Enter key of the zoom combo. */ static void zoomcombo_activated (GtkEntry *combo, gpointer data) { update_scale (get_scale (-1)); } /* * Callback emitted when the user selects a zoom in the dropdown, * or edits the text entry. * We don't want to process manual edits because it greedily emits * signals after each character deleted or added. */ static void zoomcombo_changed (GtkWidget *combo, gpointer data) { gint index = gtk_combo_box_get_active (GTK_COMBO_BOX (combo)); /* If no index, user is probably editing by hand. We wait for him to click "Enter". */ if (index != -1) update_scale (get_scale (index)); } static void fpscombo_changed (GtkWidget *combo, gpointer data) { settings.default_frame_duration = 1000 / get_fps (gtk_combo_box_get_active (GTK_COMBO_BOX (combo))); } static void update_combobox (void) { gtk_combo_box_set_active (GTK_COMBO_BOX (speedcombo), settings.duration_index); } /* tag util. */ static gboolean is_ms_tag (const gchar *str, gint *duration, gint *taglength) { gint sum = 0; gint offset; gint length; length = strlen(str); if (str[0] != '(') return FALSE; offset = 1; /* eat any spaces between open-parenthesis and number */ while ((offset < length) && (str[offset] == ' ')) offset++; if ((offset>=length) || (!g_ascii_isdigit (str[offset]))) return FALSE; do { sum *= 10; sum += str[offset] - '0'; offset++; } while ((offset