From 530ffd0b7d3c39757b20f00716e486b5caf89aff Mon Sep 17 00:00:00 2001 From: sanine Date: Wed, 12 Oct 2022 12:03:23 -0500 Subject: add cairo --- libs/cairo-1.16.0/src/cairo-gl-source.c | 113 ++++++++++++++++++++++++++++++++ 1 file changed, 113 insertions(+) create mode 100644 libs/cairo-1.16.0/src/cairo-gl-source.c (limited to 'libs/cairo-1.16.0/src/cairo-gl-source.c') diff --git a/libs/cairo-1.16.0/src/cairo-gl-source.c b/libs/cairo-1.16.0/src/cairo-gl-source.c new file mode 100644 index 0000000..7e0ee4a --- /dev/null +++ b/libs/cairo-1.16.0/src/cairo-gl-source.c @@ -0,0 +1,113 @@ +/* cairo - a vector graphics library with display and print output + * + * Copyright © 2011 Intel Corporation + * + * 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 Red Hat, Inc. + * + * Contributor(s): + * Chris Wilson + */ + +#include "cairoint.h" + +#include "cairo-gl-private.h" + +#include "cairo-surface-backend-private.h" + +static cairo_status_t +_cairo_gl_source_finish (void *abstract_surface) +{ + cairo_gl_source_t *source = abstract_surface; + + _cairo_gl_operand_destroy (&source->operand); + return CAIRO_STATUS_SUCCESS; +} + +static const cairo_surface_backend_t cairo_gl_source_backend = { + CAIRO_SURFACE_TYPE_GL, + _cairo_gl_source_finish, + NULL, /* read-only wrapper */ +}; + +cairo_surface_t * +_cairo_gl_pattern_to_source (cairo_surface_t *dst, + const cairo_pattern_t *pattern, + cairo_bool_t is_mask, + const cairo_rectangle_int_t *extents, + const cairo_rectangle_int_t *sample, + int *src_x, int *src_y) +{ + cairo_gl_source_t *source; + cairo_int_status_t status; + + TRACE ((stderr, "%s\n", __FUNCTION__)); + if (pattern == NULL) + return _cairo_gl_white_source (); + + source = _cairo_malloc (sizeof (*source)); + if (unlikely (source == NULL)) + return _cairo_surface_create_in_error (_cairo_error (CAIRO_STATUS_NO_MEMORY)); + + _cairo_surface_init (&source->base, + &cairo_gl_source_backend, + NULL, /* device */ + CAIRO_CONTENT_COLOR_ALPHA, + FALSE); /* is_vector */ + + *src_x = *src_y = 0; + status = _cairo_gl_operand_init (&source->operand, pattern, + (cairo_gl_surface_t *)dst, + sample, extents, + FALSE); + if (unlikely (status)) { + cairo_surface_destroy (&source->base); + return _cairo_surface_create_in_error (status); + } + + return &source->base; +} + +cairo_surface_t * +_cairo_gl_white_source (void) +{ + cairo_gl_source_t *source; + + source = _cairo_malloc (sizeof (*source)); + if (unlikely (source == NULL)) + return _cairo_surface_create_in_error (_cairo_error (CAIRO_STATUS_NO_MEMORY)); + + _cairo_surface_init (&source->base, + &cairo_gl_source_backend, + NULL, /* device */ + CAIRO_CONTENT_COLOR_ALPHA, + FALSE); /* is_vector */ + + _cairo_gl_solid_operand_init (&source->operand, CAIRO_COLOR_WHITE); + + return &source->base; +} -- cgit v1.2.1