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Diffstat (limited to 'shell/ev-transition-animation.c')
| -rw-r--r-- | shell/ev-transition-animation.c | 682 |
1 files changed, 0 insertions, 682 deletions
diff --git a/shell/ev-transition-animation.c b/shell/ev-transition-animation.c deleted file mode 100644 index 148b4c7..0000000 --- a/shell/ev-transition-animation.c +++ /dev/null @@ -1,682 +0,0 @@ -/* ev-transition-animation.c - * this file is part of evince, a gnome document viewer - * - * Copyright (C) 2007 Carlos Garnacho <carlos@imendio.com> - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Library General Public - * License as published by the Free Software Foundation; either - * version 2 of the License, or (at your option) any later version. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Library General Public License for more details. - * - * You should have received a copy of the GNU Library General Public - * License along with this library; if not, write to the - * Free Software Foundation, Inc., 59 Temple Place - Suite 330, - * Boston, MA 02111-1307, USA. - */ - -#include <cairo.h> -#include <gdk/gdk.h> -#include "ev-transition-animation.h" -#include "ev-timeline.h" - -#define EV_TRANSITION_ANIMATION_GET_PRIVATE(obj) (G_TYPE_INSTANCE_GET_PRIVATE ((obj), EV_TYPE_TRANSITION_ANIMATION, EvTransitionAnimationPriv)) -#define N_BLINDS 6 - -typedef struct EvTransitionAnimationPriv EvTransitionAnimationPriv; - -struct EvTransitionAnimationPriv { - EvTransitionEffect *effect; - cairo_surface_t *origin_surface; - cairo_surface_t *dest_surface; -}; - -enum { - PROP_0, - PROP_EFFECT, - PROP_ORIGIN_SURFACE, - PROP_DEST_SURFACE -}; - - -G_DEFINE_TYPE (EvTransitionAnimation, ev_transition_animation, EV_TYPE_TIMELINE) - - -static void -ev_transition_animation_init (EvTransitionAnimation *animation) -{ -} - -static void -ev_transition_animation_set_property (GObject *object, - guint prop_id, - const GValue *value, - GParamSpec *pspec) -{ - EvTransitionAnimationPriv *priv; - - priv = EV_TRANSITION_ANIMATION_GET_PRIVATE (object); - - switch (prop_id) { - case PROP_EFFECT: - if (priv->effect) - g_object_unref (priv->effect); - - priv->effect = g_value_dup_object (value); - break; - case PROP_ORIGIN_SURFACE: - ev_transition_animation_set_origin_surface (EV_TRANSITION_ANIMATION (object), - g_value_get_pointer (value)); - break; - case PROP_DEST_SURFACE: - ev_transition_animation_set_dest_surface (EV_TRANSITION_ANIMATION (object), - g_value_get_pointer (value)); - break; - default: - G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); - } -} - -static void -ev_transition_animation_get_property (GObject *object, - guint prop_id, - GValue *value, - GParamSpec *pspec) -{ - EvTransitionAnimationPriv *priv; - - priv = EV_TRANSITION_ANIMATION_GET_PRIVATE (object); - - switch (prop_id) { - case PROP_EFFECT: - g_value_set_object (value, priv->effect); - break; - case PROP_ORIGIN_SURFACE: - g_value_set_pointer (value, priv->origin_surface); - break; - case PROP_DEST_SURFACE: - g_value_set_pointer (value, priv->dest_surface); - break; - default: - G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); - } -} - -static void -ev_transition_animation_finalize (GObject *object) -{ - EvTransitionAnimationPriv *priv; - - priv = EV_TRANSITION_ANIMATION_GET_PRIVATE (object); - - if (priv->effect) - g_object_unref (priv->effect); - - if (priv->origin_surface) - cairo_surface_destroy (priv->origin_surface); - - if (priv->dest_surface) - cairo_surface_destroy (priv->dest_surface); - - G_OBJECT_CLASS (ev_transition_animation_parent_class)->finalize (object); -} - -static GObject * -ev_transition_animation_constructor (GType type, - guint n_construct_properties, - GObjectConstructParam *construct_params) -{ - GObject *object; - EvTransitionAnimationPriv *priv; - EvTransitionEffect *effect; - gint duration; - - object = G_OBJECT_CLASS (ev_transition_animation_parent_class)->constructor (type, - n_construct_properties, - construct_params); - - priv = EV_TRANSITION_ANIMATION_GET_PRIVATE (object); - effect = priv->effect; - - g_object_get (effect, "duration", &duration, NULL); - ev_timeline_set_duration (EV_TIMELINE (object), duration * 1000); - - return object; -} - -static void -ev_transition_animation_class_init (EvTransitionAnimationClass *klass) -{ - GObjectClass *object_class = G_OBJECT_CLASS (klass); - - object_class->set_property = ev_transition_animation_set_property; - object_class->get_property = ev_transition_animation_get_property; - object_class->finalize = ev_transition_animation_finalize; - object_class->constructor = ev_transition_animation_constructor; - - g_object_class_install_property (object_class, - PROP_EFFECT, - g_param_spec_object ("effect", - "Effect", - "Transition effect description", - EV_TYPE_TRANSITION_EFFECT, - G_PARAM_CONSTRUCT_ONLY | G_PARAM_READWRITE)); - g_object_class_install_property (object_class, - PROP_ORIGIN_SURFACE, - g_param_spec_pointer ("origin-surface", - "Origin surface", - "Cairo surface from which the animation will happen", - G_PARAM_READWRITE)); - g_object_class_install_property (object_class, - PROP_DEST_SURFACE, - g_param_spec_pointer ("dest-surface", - "Destination surface", - "Cairo surface to which the animation will happen", - G_PARAM_READWRITE)); - - g_type_class_add_private (klass, sizeof (EvTransitionAnimationPriv)); -} - -static void -paint_surface (cairo_t *cr, - cairo_surface_t *surface, - gdouble x_offset, - gdouble y_offset, - gdouble alpha, - GdkRectangle page_area) -{ - gint width, height; - - gdk_cairo_rectangle (cr, &page_area); - cairo_clip (cr); - - width = cairo_image_surface_get_width (surface); - height = cairo_image_surface_get_height (surface); - - cairo_save (cr); - - if (width != page_area.width || height != page_area.height) { - cairo_pattern_set_filter (cairo_get_source (cr), CAIRO_FILTER_FAST); - cairo_scale (cr, - (gdouble) page_area.width / width, - (gdouble) page_area.height / height); - } - - cairo_surface_set_device_offset (surface, x_offset, y_offset); - cairo_set_source_surface (cr, surface, 0, 0); - - if (alpha == 0.) - cairo_paint (cr); - else - cairo_paint_with_alpha (cr, alpha); - - cairo_restore (cr); -} - -/* animations */ -static void -ev_transition_animation_split (cairo_t *cr, - EvTransitionAnimation *animation, - EvTransitionEffect *effect, - gdouble progress, - GdkRectangle page_area) -{ - EvTransitionAnimationPriv *priv; - EvTransitionEffectAlignment alignment; - EvTransitionEffectDirection direction; - gint width, height; - - priv = EV_TRANSITION_ANIMATION_GET_PRIVATE (animation); - width = page_area.width; - height = page_area.height; - - g_object_get (effect, - "alignment", &alignment, - "direction", &direction, - NULL); - - if (direction == EV_TRANSITION_DIRECTION_INWARD) { - paint_surface (cr, priv->dest_surface, 0, 0, 0, page_area); - - if (alignment == EV_TRANSITION_ALIGNMENT_HORIZONTAL) { - cairo_rectangle (cr, - 0, - height * progress / 2, - width, - height * (1 - progress)); - } else { - cairo_rectangle (cr, - width * progress / 2, - 0, - width * (1 - progress), - height); - } - - cairo_clip (cr); - - paint_surface (cr, priv->origin_surface, 0, 0, 0, page_area); - } else { - paint_surface (cr, priv->origin_surface, 0, 0, 0, page_area); - - if (alignment == EV_TRANSITION_ALIGNMENT_HORIZONTAL) { - cairo_rectangle (cr, - 0, - (height / 2) - (height * progress / 2), - width, - height * progress); - } else { - cairo_rectangle (cr, - (width / 2) - (width * progress / 2), - 0, - width * progress, - height); - } - - cairo_clip (cr); - - paint_surface (cr, priv->dest_surface, 0, 0, 0, page_area); - } -} - -static void -ev_transition_animation_blinds (cairo_t *cr, - EvTransitionAnimation *animation, - EvTransitionEffect *effect, - gdouble progress, - GdkRectangle page_area) -{ - EvTransitionAnimationPriv *priv; - EvTransitionEffectAlignment alignment; - gint width, height, i; - - priv = EV_TRANSITION_ANIMATION_GET_PRIVATE (animation); - width = page_area.width; - height = page_area.height; - - g_object_get (effect, - "alignment", &alignment, - NULL); - - paint_surface (cr, priv->origin_surface, 0, 0, 0, page_area); - - for (i = 0; i < N_BLINDS; i++) { - cairo_save (cr); - - if (alignment == EV_TRANSITION_ALIGNMENT_HORIZONTAL) { - cairo_rectangle (cr, - 0, - height / N_BLINDS * i, - width, - height / N_BLINDS * progress); - } else { - cairo_rectangle (cr, - width / N_BLINDS * i, - 0, - width / N_BLINDS * progress, - height); - } - - cairo_clip (cr); - paint_surface (cr, priv->dest_surface, 0, 0, 0, page_area); - cairo_restore (cr); - } -} - -static void -ev_transition_animation_box (cairo_t *cr, - EvTransitionAnimation *animation, - EvTransitionEffect *effect, - gdouble progress, - GdkRectangle page_area) -{ - EvTransitionAnimationPriv *priv; - EvTransitionEffectDirection direction; - gint width, height; - - priv = EV_TRANSITION_ANIMATION_GET_PRIVATE (animation); - width = page_area.width; - height = page_area.height; - - g_object_get (effect, - "direction", &direction, - NULL); - - if (direction == EV_TRANSITION_DIRECTION_INWARD) { - paint_surface (cr, priv->dest_surface, 0, 0, 0, page_area); - - cairo_rectangle (cr, - width * progress / 2, - height * progress / 2, - width * (1 - progress), - height * (1 - progress)); - cairo_clip (cr); - - paint_surface (cr, priv->origin_surface, 0, 0, 0, page_area); - } else { - paint_surface (cr, priv->origin_surface, 0, 0, 0, page_area); - - cairo_rectangle (cr, - (width / 2) - (width * progress / 2), - (height / 2) - (height * progress / 2), - width * progress, - height * progress); - cairo_clip (cr); - - paint_surface (cr, priv->dest_surface, 0, 0, 0, page_area); - } -} - -static void -ev_transition_animation_wipe (cairo_t *cr, - EvTransitionAnimation *animation, - EvTransitionEffect *effect, - gdouble progress, - GdkRectangle page_area) -{ - EvTransitionAnimationPriv *priv; - gint width, height; - gint angle; - - priv = EV_TRANSITION_ANIMATION_GET_PRIVATE (animation); - width = page_area.width; - height = page_area.height; - - g_object_get (effect, - "angle", &angle, - NULL); - - paint_surface (cr, priv->origin_surface, 0, 0, 0, page_area); - - if (angle == 0) { - /* left to right */ - cairo_rectangle (cr, - 0, 0, - width * progress, - height); - } else if (angle <= 90) { - /* bottom to top */ - cairo_rectangle (cr, - 0, - height * (1 - progress), - width, - height * progress); - } else if (angle <= 180) { - /* right to left */ - cairo_rectangle (cr, - width * (1 - progress), - 0, - width * progress, - height); - } else if (angle <= 270) { - /* top to bottom */ - cairo_rectangle (cr, - 0, 0, - width, - height * progress); - } - - cairo_clip (cr); - - paint_surface (cr, priv->dest_surface, 0, 0, 0, page_area); -} - -static void -ev_transition_animation_dissolve (cairo_t *cr, - EvTransitionAnimation *animation, - EvTransitionEffect *effect, - gdouble progress, - GdkRectangle page_area) -{ - EvTransitionAnimationPriv *priv; - - priv = EV_TRANSITION_ANIMATION_GET_PRIVATE (animation); - - paint_surface (cr, priv->dest_surface, 0, 0, 0, page_area); - paint_surface (cr, priv->origin_surface, 0, 0, 1 - progress, page_area); -} - -static void -ev_transition_animation_push (cairo_t *cr, - EvTransitionAnimation *animation, - EvTransitionEffect *effect, - gdouble progress, - GdkRectangle page_area) -{ - EvTransitionAnimationPriv *priv; - gint width, height; - gint angle; - - priv = EV_TRANSITION_ANIMATION_GET_PRIVATE (animation); - width = page_area.width; - height = page_area.height; - - g_object_get (effect, - "angle", &angle, - NULL); - - if (angle == 0) { - /* left to right */ - paint_surface (cr, priv->origin_surface, - (width * progress), 0, 0, page_area); - paint_surface (cr, priv->dest_surface, width * (1 - progress), 0, 0, page_area); - } else { - /* top to bottom */ - paint_surface (cr, priv->origin_surface, 0, - (height * progress), 0, page_area); - paint_surface (cr, priv->dest_surface, 0, height * (1 - progress), 0, page_area); - } -} - -static void -ev_transition_animation_cover (cairo_t *cr, - EvTransitionAnimation *animation, - EvTransitionEffect *effect, - gdouble progress, - GdkRectangle page_area) -{ - EvTransitionAnimationPriv *priv; - gint width, height; - gint angle; - - priv = EV_TRANSITION_ANIMATION_GET_PRIVATE (animation); - width = page_area.width; - height = page_area.height; - - g_object_get (effect, - "angle", &angle, - NULL); - - paint_surface (cr, priv->origin_surface, 0, 0, 0, page_area); - - if (angle == 0) { - /* left to right */ - paint_surface (cr, priv->dest_surface, width * (1 - progress), 0, 0, page_area); - } else { - /* top to bottom */ - paint_surface (cr, priv->dest_surface, 0, height * (1 - progress), 0, page_area); - } -} - -static void -ev_transition_animation_uncover (cairo_t *cr, - EvTransitionAnimation *animation, - EvTransitionEffect *effect, - gdouble progress, - GdkRectangle page_area) -{ - EvTransitionAnimationPriv *priv; - gint width, height; - gint angle; - - priv = EV_TRANSITION_ANIMATION_GET_PRIVATE (animation); - width = page_area.width; - height = page_area.height; - - g_object_get (effect, - "angle", &angle, - NULL); - - paint_surface (cr, priv->dest_surface, 0, 0, 0, page_area); - - if (angle == 0) { - /* left to right */ - paint_surface (cr, priv->origin_surface, - (width * progress), 0, 0, page_area); - } else { - /* top to bottom */ - paint_surface (cr, priv->origin_surface, 0, - (height * progress), 0, page_area); - } -} - -static void -ev_transition_animation_fade (cairo_t *cr, - EvTransitionAnimation *animation, - EvTransitionEffect *effect, - gdouble progress, - GdkRectangle page_area) -{ - EvTransitionAnimationPriv *priv; - - priv = EV_TRANSITION_ANIMATION_GET_PRIVATE (animation); - - paint_surface (cr, priv->origin_surface, 0, 0, 0, page_area); - paint_surface (cr, priv->dest_surface, 0, 0, progress, page_area); -} - -void -ev_transition_animation_paint (EvTransitionAnimation *animation, - cairo_t *cr, - GdkRectangle page_area) -{ - EvTransitionAnimationPriv *priv; - EvTransitionEffectType type; - gdouble progress; - - g_return_if_fail (EV_IS_TRANSITION_ANIMATION (animation)); - - priv = EV_TRANSITION_ANIMATION_GET_PRIVATE (animation); - g_object_get (priv->effect, "type", &type, NULL); - progress = ev_timeline_get_progress (EV_TIMELINE (animation)); - - if (!priv->dest_surface) { - /* animation is still not ready, paint the origin surface */ - paint_surface (cr, priv->origin_surface, 0, 0, 0, page_area); - return; - } - - switch (type) { - case EV_TRANSITION_EFFECT_REPLACE: - /* just paint the destination slide */ - paint_surface (cr, priv->dest_surface, 0, 0, 0, page_area); - break; - case EV_TRANSITION_EFFECT_SPLIT: - ev_transition_animation_split (cr, animation, priv->effect, progress, page_area); - break; - case EV_TRANSITION_EFFECT_BLINDS: - ev_transition_animation_blinds (cr, animation, priv->effect, progress, page_area); - break; - case EV_TRANSITION_EFFECT_BOX: - ev_transition_animation_box (cr, animation, priv->effect, progress, page_area); - break; - case EV_TRANSITION_EFFECT_WIPE: - ev_transition_animation_wipe (cr, animation, priv->effect, progress, page_area); - break; - case EV_TRANSITION_EFFECT_DISSOLVE: - ev_transition_animation_dissolve (cr, animation, priv->effect, progress, page_area); - break; - case EV_TRANSITION_EFFECT_PUSH: - ev_transition_animation_push (cr, animation, priv->effect, progress, page_area); - break; - case EV_TRANSITION_EFFECT_COVER: - ev_transition_animation_cover (cr, animation, priv->effect, progress, page_area); - break; - case EV_TRANSITION_EFFECT_UNCOVER: - ev_transition_animation_uncover (cr, animation, priv->effect, progress, page_area); - break; - case EV_TRANSITION_EFFECT_FADE: - ev_transition_animation_fade (cr, animation, priv->effect, progress, page_area); - break; - default: { - GEnumValue *enum_value; - - enum_value = g_enum_get_value (g_type_class_peek (EV_TYPE_TRANSITION_EFFECT_TYPE), type); - - g_warning ("Unimplemented transition animation: '%s', " - "please post a bug report in Evince bugzilla " - "(http://bugzilla.gnome.org) with a testcase.", - enum_value->value_nick); - - /* just paint the destination slide */ - paint_surface (cr, priv->dest_surface, 0, 0, 0, page_area); - } - } -} - -EvTransitionAnimation * -ev_transition_animation_new (EvTransitionEffect *effect) -{ - g_return_val_if_fail (EV_IS_TRANSITION_EFFECT (effect), NULL); - - return g_object_new (EV_TYPE_TRANSITION_ANIMATION, - "effect", effect, - NULL); -} - -void -ev_transition_animation_set_origin_surface (EvTransitionAnimation *animation, - cairo_surface_t *origin_surface) -{ - EvTransitionAnimationPriv *priv; - cairo_surface_t *surface; - - g_return_if_fail (EV_IS_TRANSITION_ANIMATION (animation)); - - priv = EV_TRANSITION_ANIMATION_GET_PRIVATE (animation); - - surface = cairo_surface_reference (origin_surface); - - if (priv->origin_surface) - cairo_surface_destroy (priv->origin_surface); - - priv->origin_surface = surface; - g_object_notify (G_OBJECT (animation), "origin-surface"); - - if (priv->origin_surface && priv->dest_surface) - ev_timeline_start (EV_TIMELINE (animation)); -} - -void -ev_transition_animation_set_dest_surface (EvTransitionAnimation *animation, - cairo_surface_t *dest_surface) -{ - EvTransitionAnimationPriv *priv; - cairo_surface_t *surface; - - g_return_if_fail (EV_IS_TRANSITION_ANIMATION (animation)); - - priv = EV_TRANSITION_ANIMATION_GET_PRIVATE (animation); - - surface = cairo_surface_reference (dest_surface); - - if (priv->dest_surface) - cairo_surface_destroy (priv->dest_surface); - - priv->dest_surface = surface; - g_object_notify (G_OBJECT (animation), "dest-surface"); - - if (priv->origin_surface && priv->dest_surface) - ev_timeline_start (EV_TIMELINE (animation)); -} - -gboolean -ev_transition_animation_ready (EvTransitionAnimation *animation) -{ - EvTransitionAnimationPriv *priv; - - g_return_val_if_fail (EV_IS_TRANSITION_ANIMATION (animation), FALSE); - - priv = EV_TRANSITION_ANIMATION_GET_PRIVATE (animation); - - return (priv->origin_surface && priv->dest_surface); -} |