Upside: we can now reuse this. Downside: we now have a util.c file.dev
Kristian Høgsberg
13 years ago
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f32f1fc743
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/*
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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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