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117 lines
3.7 KiB
117 lines
3.7 KiB
/*
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* Copyright © 2011 Intel Corporation
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*
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* Permission to use, copy, modify, distribute, and sell this software and
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* its documentation for any purpose is hereby granted without fee, provided
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* that the above copyright notice appear in all copies and that both that
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* copyright notice and this permission notice appear in supporting
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* documentation, and that the name of the copyright holders not be used in
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* advertising or publicity pertaining to distribution of the software
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* without specific, written prior permission. The copyright holders make
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* no representations about the suitability of this software for any
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* purpose. It is provided "as is" without express or implied warranty.
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*
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* THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
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* SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
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* FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY
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* SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
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* RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF
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* CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
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* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include <stdlib.h>
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#include <stdio.h>
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#include "compositor.h"
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struct wlsc_zoom {
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struct wlsc_surface *surface;
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struct wlsc_animation animation;
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struct wlsc_spring spring;
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struct wlsc_transform transform;
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struct wl_listener listener;
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void (*done)(struct wlsc_zoom *zoom, void *data);
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void *data;
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};
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static void
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wlsc_zoom_destroy(struct wlsc_zoom *zoom)
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{
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wl_list_remove(&zoom->animation.link);
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wl_list_remove(&zoom->listener.link);
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zoom->surface->transform = NULL;
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if (zoom->done)
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zoom->done(zoom, zoom->data);
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free(zoom);
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}
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static void
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handle_zoom_surface_destroy(struct wl_listener *listener,
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struct wl_resource *resource, uint32_t time)
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{
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struct wlsc_zoom *zoom =
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container_of(listener, struct wlsc_zoom, listener);
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wlsc_zoom_destroy(zoom);
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}
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static void
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wlsc_zoom_frame(struct wlsc_animation *animation,
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struct wlsc_output *output, uint32_t msecs)
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{
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struct wlsc_zoom *zoom =
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container_of(animation, struct wlsc_zoom, animation);
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struct wlsc_surface *es = zoom->surface;
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GLfloat scale;
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wlsc_spring_update(&zoom->spring, msecs);
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if (wlsc_spring_done(&zoom->spring))
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wlsc_zoom_destroy(zoom);
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scale = zoom->spring.current;
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wlsc_matrix_init(&zoom->transform.matrix);
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wlsc_matrix_translate(&zoom->transform.matrix,
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-(es->x + es->width / 2.0),
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-(es->y + es->height / 2.0), 0);
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wlsc_matrix_scale(&zoom->transform.matrix, scale, scale, scale);
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wlsc_matrix_translate(&zoom->transform.matrix,
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es->x + es->width / 2.0,
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es->y + es->height / 2.0, 0);
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scale = 1.0 / zoom->spring.current;
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wlsc_matrix_init(&zoom->transform.inverse);
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wlsc_matrix_scale(&zoom->transform.inverse, scale, scale, scale);
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wlsc_compositor_damage_all(es->compositor);
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}
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WL_EXPORT struct wlsc_zoom *
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wlsc_zoom_run(struct wlsc_surface *surface, GLfloat start, GLfloat stop,
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wlsc_zoom_done_func_t done, void *data)
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{
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struct wlsc_zoom *zoom;
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zoom = malloc(sizeof *zoom);
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if (!zoom)
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return NULL;
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zoom->surface = surface;
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zoom->done = done;
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zoom->data = data;
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surface->transform = &zoom->transform;
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wlsc_spring_init(&zoom->spring, 200.0, start, stop);
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zoom->spring.timestamp = wlsc_compositor_get_time();
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zoom->animation.frame = wlsc_zoom_frame;
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wlsc_zoom_frame(&zoom->animation, NULL, zoom->spring.timestamp);
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zoom->listener.func = handle_zoom_surface_destroy;
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wl_list_insert(surface->surface.resource.destroy_listener_list.prev,
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&zoom->listener.link);
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wl_list_insert(surface->compositor->animation_list.prev,
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&zoom->animation.link);
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return zoom;
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}
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