/* Cairo - a vector graphics library with display and print output * * Copyright © 2009 Chris Wilson * * This library is free software; you can redistribute it and/or * modify it either under the terms of the GNU Lesser General Public * License version 2.1 as published by the Free Software Foundation * (the "LGPL") or, at your option, under the terms of the Mozilla * Public License Version 1.1 (the "MPL"). If you do not alter this * notice, a recipient may use your version of this file under either * the MPL or the LGPL. * * You should have received a copy of the LGPL along with this library * in the file COPYING-LGPL-2.1; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Suite 500, Boston, MA 02110-1335, USA * You should have received a copy of the MPL along with this library * in the file COPYING-MPL-1.1 * * The contents of this file are subject to the Mozilla Public License * Version 1.1 (the "License"); you may not use this file except in * compliance with the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY * OF ANY KIND, either express or implied. See the LGPL or the MPL for * the specific language governing rights and limitations. * * The Original Code is the cairo graphics library. * * The Initial Developer of the Original Code is Chris Wilson. */ #include "cairo-boilerplate-private.h" #include #include typedef struct _cogl_closure { cairo_device_t *device; cairo_surface_t *surface; } cogl_closure_t; static const cairo_user_data_key_t cogl_closure_key; static void _cairo_boilerplate_cogl_cleanup (void *abstract_closure) { cogl_closure_t *closure = abstract_closure; cairo_device_finish (closure->device); cairo_device_destroy (closure->device); free (closure); } static cairo_surface_t * _cairo_boilerplate_cogl_create_offscreen_color_surface (const char *name, cairo_content_t content, double width, double height, double max_width, double max_height, cairo_boilerplate_mode_t mode, void **abstract_closure) { CoglContext *context; cairo_device_t *device; cogl_closure_t *closure; cairo_status_t status; if (width < 1) width = 1; if (height < 1) height = 1; context = cogl_context_new (NULL, NULL); device = cairo_cogl_device_create (context); /* The device will take a reference on the context */ cogl_object_unref (context); closure = malloc (sizeof (cogl_closure_t)); *abstract_closure = closure; closure->device = device; closure->surface = cairo_cogl_offscreen_surface_create (device, content, width, height); status = cairo_surface_set_user_data (closure->surface, &cogl_closure_key, closure, NULL); if (status == CAIRO_STATUS_SUCCESS) return closure->surface; _cairo_boilerplate_cogl_cleanup (closure); return cairo_boilerplate_surface_create_in_error (status); } static cairo_surface_t * _cairo_boilerplate_cogl_create_onscreen_color_surface (const char *name, cairo_content_t content, double width, double height, double max_width, double max_height, cairo_boilerplate_mode_t mode, void **abstract_closure) { CoglContext *context; cairo_device_t *device; cogl_closure_t *closure; cairo_status_t status; if (width < 1) width = 1; if (height < 1) height = 1; if (content & CAIRO_CONTENT_ALPHA) { /* A hackish way to ensure that we get a framebuffer with * an alpha component */ CoglSwapChain *swap_chain; CoglOnscreenTemplate *onscreen_template; CoglRenderer *renderer; CoglDisplay *display; swap_chain = cogl_swap_chain_new (); cogl_swap_chain_set_has_alpha (swap_chain, TRUE); onscreen_template = cogl_onscreen_template_new (swap_chain); renderer = cogl_renderer_new (); display = cogl_display_new (renderer, onscreen_template); /* References will be taken on the swap chain, renderer, and * onscreen template by the constructors */ cogl_object_unref (swap_chain); cogl_object_unref (renderer); cogl_object_unref (onscreen_template); context = cogl_context_new (display, NULL); /* The context will take a reference on the display */ cogl_object_unref (display); } else { context = cogl_context_new (NULL, NULL); } device = cairo_cogl_device_create (context); /* The device will take a reference on the context */ cogl_object_unref (context); closure = malloc (sizeof (cogl_closure_t)); *abstract_closure = closure; closure->device = device; closure->surface = cairo_cogl_onscreen_surface_create (device, content, width, height); status = cairo_surface_set_user_data (closure->surface, &cogl_closure_key, closure, NULL); if (status == CAIRO_STATUS_SUCCESS) return closure->surface; _cairo_boilerplate_cogl_cleanup (closure); return cairo_boilerplate_surface_create_in_error (status); } static cairo_status_t _cairo_boilerplate_cogl_finish (cairo_surface_t *surface) { return cairo_cogl_surface_end_frame (surface); } static void _cairo_boilerplate_cogl_synchronize (void *abstract_closure) { cogl_closure_t *closure = abstract_closure; cairo_cogl_surface_synchronize (closure->surface); } static const cairo_boilerplate_target_t targets[] = { { "cogl-offscreen-color", "cogl", NULL, NULL, CAIRO_SURFACE_TYPE_COGL, CAIRO_CONTENT_COLOR_ALPHA, 1, "cairo_cogl_device_create", _cairo_boilerplate_cogl_create_offscreen_color_surface, cairo_surface_create_similar, NULL, _cairo_boilerplate_cogl_finish, _cairo_boilerplate_get_image_surface, cairo_surface_write_to_png, _cairo_boilerplate_cogl_cleanup, _cairo_boilerplate_cogl_synchronize, NULL, TRUE, FALSE, FALSE }, { "cogl-onscreen-color", "cogl", NULL, NULL, CAIRO_SURFACE_TYPE_COGL, CAIRO_CONTENT_COLOR_ALPHA, 1, "cairo_cogl_device_create", _cairo_boilerplate_cogl_create_onscreen_color_surface, cairo_surface_create_similar, NULL, _cairo_boilerplate_cogl_finish, _cairo_boilerplate_get_image_surface, cairo_surface_write_to_png, _cairo_boilerplate_cogl_cleanup, _cairo_boilerplate_cogl_synchronize, NULL, TRUE, FALSE, FALSE } }; CAIRO_BOILERPLATE (cogl, targets)