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-rw-r--r--libs/cairo-1.16.0/src/cairo-xlib-fallback-compositor.c248
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diff --git a/libs/cairo-1.16.0/src/cairo-xlib-fallback-compositor.c b/libs/cairo-1.16.0/src/cairo-xlib-fallback-compositor.c
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+++ b/libs/cairo-1.16.0/src/cairo-xlib-fallback-compositor.c
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+/* -*- Mode: c; c-basic-offset: 4; indent-tabs-mode: t; tab-width: 8; -*- */
+/* cairo - a vector graphics library with display and print output
+ *
+ * Copyright © 2002 University of Southern California
+ * Copyright © 2005 Red Hat, Inc.
+ * 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 University of Southern
+ * California.
+ *
+ * Contributor(s):
+ * Carl D. Worth <cworth@cworth.org>
+ * Behdad Esfahbod <behdad@behdad.org>
+ * Chris Wilson <chris@chris-wilson.co.uk>
+ * Karl Tomlinson <karlt+@karlt.net>, Mozilla Corporation
+ */
+
+#include "cairoint.h"
+
+#if !CAIRO_HAS_XLIB_XCB_FUNCTIONS
+
+#include "cairo-xlib-private.h"
+
+#include "cairo-compositor-private.h"
+#include "cairo-image-surface-private.h"
+#include "cairo-surface-offset-private.h"
+
+static const cairo_compositor_t *
+_get_compositor (cairo_surface_t *surface)
+{
+ return ((cairo_image_surface_t *)surface)->compositor;
+}
+
+static cairo_bool_t
+unclipped (cairo_xlib_surface_t *xlib, cairo_clip_t *clip)
+{
+ cairo_rectangle_int_t r;
+
+ r.x = r.y = 0;
+ r.width = xlib->width;
+ r.height = xlib->height;
+ return _cairo_clip_contains_rectangle (clip, &r);
+}
+
+static cairo_int_status_t
+_cairo_xlib_shm_compositor_paint (const cairo_compositor_t *_compositor,
+ cairo_composite_rectangles_t *extents)
+{
+ cairo_xlib_surface_t *xlib = (cairo_xlib_surface_t *)extents->surface;
+ cairo_int_status_t status;
+ cairo_surface_t *shm;
+ cairo_bool_t overwrite;
+
+ TRACE ((stderr, "%s\n", __FUNCTION__));
+
+ overwrite =
+ extents->op <= CAIRO_OPERATOR_SOURCE && unclipped (xlib, extents->clip);
+
+ shm = _cairo_xlib_surface_get_shm (xlib, overwrite);
+ if (shm == NULL)
+ return CAIRO_INT_STATUS_UNSUPPORTED;
+
+ status = _cairo_compositor_paint (_get_compositor (shm), shm,
+ extents->op,
+ &extents->source_pattern.base,
+ extents->clip);
+ if (unlikely (status))
+ return status;
+
+ xlib->base.is_clear =
+ extents->op == CAIRO_OPERATOR_CLEAR && unclipped (xlib, extents->clip);
+ xlib->base.serial++;
+ xlib->fallback++;
+ return CAIRO_INT_STATUS_NOTHING_TO_DO;
+}
+
+static cairo_int_status_t
+_cairo_xlib_shm_compositor_mask (const cairo_compositor_t *_compositor,
+ cairo_composite_rectangles_t *extents)
+{
+ cairo_xlib_surface_t *xlib = (cairo_xlib_surface_t *)extents->surface;
+ cairo_int_status_t status;
+ cairo_surface_t *shm;
+
+ TRACE ((stderr, "%s\n", __FUNCTION__));
+
+ shm = _cairo_xlib_surface_get_shm (xlib, FALSE);
+ if (shm == NULL)
+ return CAIRO_INT_STATUS_UNSUPPORTED;
+
+ status = _cairo_compositor_mask (_get_compositor (shm), shm,
+ extents->op,
+ &extents->source_pattern.base,
+ &extents->mask_pattern.base,
+ extents->clip);
+ if (unlikely (status))
+ return status;
+
+ xlib->base.is_clear = FALSE;
+ xlib->base.serial++;
+ xlib->fallback++;
+ return CAIRO_INT_STATUS_NOTHING_TO_DO;
+}
+
+static cairo_int_status_t
+_cairo_xlib_shm_compositor_stroke (const cairo_compositor_t *_compositor,
+ cairo_composite_rectangles_t *extents,
+ const cairo_path_fixed_t *path,
+ const cairo_stroke_style_t *style,
+ const cairo_matrix_t *ctm,
+ const cairo_matrix_t *ctm_inverse,
+ double tolerance,
+ cairo_antialias_t antialias)
+{
+ cairo_xlib_surface_t *xlib = (cairo_xlib_surface_t *)extents->surface;
+ cairo_int_status_t status;
+ cairo_surface_t *shm;
+
+ TRACE ((stderr, "%s\n", __FUNCTION__));
+
+ shm = _cairo_xlib_surface_get_shm (xlib, FALSE);
+ if (shm == NULL)
+ return CAIRO_INT_STATUS_UNSUPPORTED;
+
+ status = _cairo_compositor_stroke (_get_compositor (shm), shm,
+ extents->op,
+ &extents->source_pattern.base,
+ path, style,
+ ctm, ctm_inverse,
+ tolerance,
+ antialias,
+ extents->clip);
+ if (unlikely (status))
+ return status;
+
+ xlib->base.is_clear = FALSE;
+ xlib->base.serial++;
+ xlib->fallback++;
+ return CAIRO_INT_STATUS_NOTHING_TO_DO;
+}
+
+static cairo_int_status_t
+_cairo_xlib_shm_compositor_fill (const cairo_compositor_t *_compositor,
+ cairo_composite_rectangles_t *extents,
+ const cairo_path_fixed_t *path,
+ cairo_fill_rule_t fill_rule,
+ double tolerance,
+ cairo_antialias_t antialias)
+{
+ cairo_xlib_surface_t *xlib = (cairo_xlib_surface_t *)extents->surface;
+ cairo_int_status_t status;
+ cairo_surface_t *shm;
+
+ TRACE ((stderr, "%s\n", __FUNCTION__));
+
+ shm = _cairo_xlib_surface_get_shm (xlib, FALSE);
+ if (shm == NULL)
+ return CAIRO_INT_STATUS_UNSUPPORTED;
+
+ status = _cairo_compositor_fill (_get_compositor (shm), shm,
+ extents->op,
+ &extents->source_pattern.base,
+ path,
+ fill_rule, tolerance, antialias,
+ extents->clip);
+ if (unlikely (status))
+ return status;
+
+ xlib->base.is_clear = FALSE;
+ xlib->base.serial++;
+ xlib->fallback++;
+ return CAIRO_INT_STATUS_NOTHING_TO_DO;
+}
+
+static cairo_int_status_t
+_cairo_xlib_shm_compositor_glyphs (const cairo_compositor_t *_compositor,
+ cairo_composite_rectangles_t *extents,
+ cairo_scaled_font_t *scaled_font,
+ cairo_glyph_t *glyphs,
+ int num_glyphs,
+ cairo_bool_t overlap)
+{
+ cairo_xlib_surface_t *xlib = (cairo_xlib_surface_t *)extents->surface;
+ cairo_int_status_t status;
+ cairo_surface_t *shm;
+
+ TRACE ((stderr, "%s\n", __FUNCTION__));
+
+ shm = _cairo_xlib_surface_get_shm (xlib, FALSE);
+ if (shm == NULL)
+ return CAIRO_INT_STATUS_UNSUPPORTED;
+
+ status = _cairo_compositor_glyphs (_get_compositor (shm), shm,
+ extents->op,
+ &extents->source_pattern.base,
+ glyphs, num_glyphs, scaled_font,
+ extents->clip);
+ if (unlikely (status))
+ return status;
+
+ xlib->base.is_clear = FALSE;
+ xlib->base.serial++;
+ xlib->fallback++;
+ return CAIRO_INT_STATUS_NOTHING_TO_DO;
+}
+
+static const cairo_compositor_t _cairo_xlib_shm_compositor = {
+ &_cairo_fallback_compositor,
+
+ _cairo_xlib_shm_compositor_paint,
+ _cairo_xlib_shm_compositor_mask,
+ _cairo_xlib_shm_compositor_stroke,
+ _cairo_xlib_shm_compositor_fill,
+ _cairo_xlib_shm_compositor_glyphs,
+};
+
+const cairo_compositor_t *
+_cairo_xlib_fallback_compositor_get (void)
+{
+ return &_cairo_xlib_shm_compositor;
+}
+
+#endif /* !CAIRO_HAS_XLIB_XCB_FUNCTIONS */
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