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-rw-r--r--Build/source/libs/cairo/cairo-1.12.8/src/cairo-tee-surface.c602
1 files changed, 602 insertions, 0 deletions
diff --git a/Build/source/libs/cairo/cairo-1.12.8/src/cairo-tee-surface.c b/Build/source/libs/cairo/cairo-1.12.8/src/cairo-tee-surface.c
new file mode 100644
index 00000000000..294e5f162e2
--- /dev/null
+++ b/Build/source/libs/cairo/cairo-1.12.8/src/cairo-tee-surface.c
@@ -0,0 +1,602 @@
+/* cairo - a vector graphics library with display and print output
+ *
+ * Copyright © 2005 Red Hat, Inc
+ * 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 Red Hat, Inc.
+ *
+ * Contributor(s):
+ * Carl Worth <cworth@cworth.org>
+ * Chris Wilson <chris@chris-wilson.co.uk>
+ */
+
+/* This surface supports redirecting all its input to multiple surfaces.
+ */
+
+#include "cairoint.h"
+
+#include "cairo-tee.h"
+
+#include "cairo-default-context-private.h"
+#include "cairo-error-private.h"
+#include "cairo-tee-surface-private.h"
+#include "cairo-recording-surface-inline.h"
+#include "cairo-surface-wrapper-private.h"
+#include "cairo-array-private.h"
+#include "cairo-image-surface-inline.h"
+
+typedef struct _cairo_tee_surface {
+ cairo_surface_t base;
+
+ cairo_surface_wrapper_t master;
+ cairo_array_t slaves;
+} cairo_tee_surface_t;
+
+slim_hidden_proto (cairo_tee_surface_create);
+slim_hidden_proto (cairo_tee_surface_add);
+
+static cairo_surface_t *
+_cairo_tee_surface_create_similar (void *abstract_surface,
+ cairo_content_t content,
+ int width,
+ int height)
+{
+
+ cairo_tee_surface_t *other = abstract_surface;
+ cairo_surface_t *similar;
+ cairo_surface_t *surface;
+ cairo_surface_wrapper_t *slaves;
+ int n, num_slaves;
+
+ similar = _cairo_surface_wrapper_create_similar (&other->master,
+ content, width, height);
+ surface = cairo_tee_surface_create (similar);
+ cairo_surface_destroy (similar);
+ if (unlikely (surface->status))
+ return surface;
+
+ num_slaves = _cairo_array_num_elements (&other->slaves);
+ slaves = _cairo_array_index (&other->slaves, 0);
+ for (n = 0; n < num_slaves; n++) {
+
+ similar = _cairo_surface_wrapper_create_similar (&slaves[n],
+ content,
+ width, height);
+ cairo_tee_surface_add (surface, similar);
+ cairo_surface_destroy (similar);
+ }
+
+ if (unlikely (surface->status)) {
+ cairo_status_t status = surface->status;
+ cairo_surface_destroy (surface);
+ surface = _cairo_surface_create_in_error (status);
+ }
+
+ return surface;
+}
+
+static cairo_status_t
+_cairo_tee_surface_finish (void *abstract_surface)
+{
+ cairo_tee_surface_t *surface = abstract_surface;
+ cairo_surface_wrapper_t *slaves;
+ int n, num_slaves;
+
+ _cairo_surface_wrapper_fini (&surface->master);
+
+ num_slaves = _cairo_array_num_elements (&surface->slaves);
+ slaves = _cairo_array_index (&surface->slaves, 0);
+ for (n = 0; n < num_slaves; n++)
+ _cairo_surface_wrapper_fini (&slaves[n]);
+
+ _cairo_array_fini (&surface->slaves);
+
+ return CAIRO_STATUS_SUCCESS;
+}
+
+static cairo_surface_t *
+_cairo_tee_surface_source (void *abstract_surface,
+ cairo_rectangle_int_t *extents)
+{
+ cairo_tee_surface_t *surface = abstract_surface;
+ return _cairo_surface_get_source (surface->master.target, extents);
+}
+
+static cairo_status_t
+_cairo_tee_surface_acquire_source_image (void *abstract_surface,
+ cairo_image_surface_t **image_out,
+ void **image_extra)
+{
+ cairo_tee_surface_t *surface = abstract_surface;
+ cairo_surface_wrapper_t *slaves;
+ int num_slaves, n;
+
+ /* we prefer to use a real image surface if available */
+ if (_cairo_surface_is_image (surface->master.target)) {
+ return _cairo_surface_wrapper_acquire_source_image (&surface->master,
+ image_out, image_extra);
+ }
+
+ num_slaves = _cairo_array_num_elements (&surface->slaves);
+ slaves = _cairo_array_index (&surface->slaves, 0);
+ for (n = 0; n < num_slaves; n++) {
+ if (_cairo_surface_is_image (slaves[n].target)) {
+ return _cairo_surface_wrapper_acquire_source_image (&slaves[n],
+ image_out,
+ image_extra);
+ }
+ }
+
+ return _cairo_surface_wrapper_acquire_source_image (&surface->master,
+ image_out, image_extra);
+}
+
+static void
+_cairo_tee_surface_release_source_image (void *abstract_surface,
+ cairo_image_surface_t *image,
+ void *image_extra)
+{
+ cairo_tee_surface_t *surface = abstract_surface;
+
+ _cairo_surface_wrapper_release_source_image (&surface->master,
+ image, image_extra);
+}
+
+static cairo_surface_t *
+_cairo_tee_surface_snapshot (void *abstract_surface)
+{
+ cairo_tee_surface_t *surface = abstract_surface;
+ cairo_surface_wrapper_t *slaves;
+ int num_slaves, n;
+
+ /* we prefer to use a recording surface for our snapshots */
+ if (_cairo_surface_is_recording (surface->master.target))
+ return _cairo_surface_wrapper_snapshot (&surface->master);
+
+ num_slaves = _cairo_array_num_elements (&surface->slaves);
+ slaves = _cairo_array_index (&surface->slaves, 0);
+ for (n = 0; n < num_slaves; n++) {
+ if (_cairo_surface_is_recording (slaves[n].target))
+ return _cairo_surface_wrapper_snapshot (&slaves[n]);
+ }
+
+ return _cairo_surface_wrapper_snapshot (&surface->master);
+}
+
+static cairo_bool_t
+_cairo_tee_surface_get_extents (void *abstract_surface,
+ cairo_rectangle_int_t *rectangle)
+{
+ cairo_tee_surface_t *surface = abstract_surface;
+
+ return _cairo_surface_wrapper_get_extents (&surface->master, rectangle);
+}
+
+static void
+_cairo_tee_surface_get_font_options (void *abstract_surface,
+ cairo_font_options_t *options)
+{
+ cairo_tee_surface_t *surface = abstract_surface;
+
+ _cairo_surface_wrapper_get_font_options (&surface->master, options);
+}
+
+static cairo_int_status_t
+_cairo_tee_surface_paint (void *abstract_surface,
+ cairo_operator_t op,
+ const cairo_pattern_t *source,
+ const cairo_clip_t *clip)
+{
+ cairo_tee_surface_t *surface = abstract_surface;
+ cairo_surface_wrapper_t *slaves;
+ int n, num_slaves;
+ cairo_int_status_t status;
+
+ num_slaves = _cairo_array_num_elements (&surface->slaves);
+ slaves = _cairo_array_index (&surface->slaves, 0);
+ for (n = 0; n < num_slaves; n++) {
+ status = _cairo_surface_wrapper_paint (&slaves[n], op, source, clip);
+ if (unlikely (status))
+ return status;
+ }
+
+ return _cairo_surface_wrapper_paint (&surface->master, op, source, clip);
+}
+
+static cairo_int_status_t
+_cairo_tee_surface_mask (void *abstract_surface,
+ cairo_operator_t op,
+ const cairo_pattern_t *source,
+ const cairo_pattern_t *mask,
+ const cairo_clip_t *clip)
+{
+ cairo_tee_surface_t *surface = abstract_surface;
+ cairo_surface_wrapper_t *slaves;
+ cairo_int_status_t status;
+ int n, num_slaves;
+
+ num_slaves = _cairo_array_num_elements (&surface->slaves);
+ slaves = _cairo_array_index (&surface->slaves, 0);
+ for (n = 0; n < num_slaves; n++) {
+ status = _cairo_surface_wrapper_mask (&slaves[n],
+ op, source, mask, clip);
+ if (unlikely (status))
+ return status;
+ }
+
+ return _cairo_surface_wrapper_mask (&surface->master,
+ op, source, mask, clip);
+}
+
+static cairo_int_status_t
+_cairo_tee_surface_stroke (void *abstract_surface,
+ cairo_operator_t op,
+ const cairo_pattern_t *source,
+ 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,
+ const cairo_clip_t *clip)
+{
+ cairo_tee_surface_t *surface = abstract_surface;
+ cairo_surface_wrapper_t *slaves;
+ cairo_int_status_t status;
+ int n, num_slaves;
+
+ num_slaves = _cairo_array_num_elements (&surface->slaves);
+ slaves = _cairo_array_index (&surface->slaves, 0);
+ for (n = 0; n < num_slaves; n++) {
+ status = _cairo_surface_wrapper_stroke (&slaves[n],
+ op, source,
+ path, style,
+ ctm, ctm_inverse,
+ tolerance, antialias,
+ clip);
+ if (unlikely (status))
+ return status;
+ }
+
+ return _cairo_surface_wrapper_stroke (&surface->master,
+ op, source,
+ path, style,
+ ctm, ctm_inverse,
+ tolerance, antialias,
+ clip);
+}
+
+static cairo_int_status_t
+_cairo_tee_surface_fill (void *abstract_surface,
+ cairo_operator_t op,
+ const cairo_pattern_t *source,
+ const cairo_path_fixed_t *path,
+ cairo_fill_rule_t fill_rule,
+ double tolerance,
+ cairo_antialias_t antialias,
+ const cairo_clip_t *clip)
+{
+ cairo_tee_surface_t *surface = abstract_surface;
+ cairo_surface_wrapper_t *slaves;
+ cairo_int_status_t status;
+ int n, num_slaves;
+
+ num_slaves = _cairo_array_num_elements (&surface->slaves);
+ slaves = _cairo_array_index (&surface->slaves, 0);
+ for (n = 0; n < num_slaves; n++) {
+ status = _cairo_surface_wrapper_fill (&slaves[n],
+ op, source,
+ path, fill_rule,
+ tolerance, antialias,
+ clip);
+ if (unlikely (status))
+ return status;
+ }
+
+ return _cairo_surface_wrapper_fill (&surface->master,
+ op, source,
+ path, fill_rule,
+ tolerance, antialias,
+ clip);
+}
+
+static cairo_bool_t
+_cairo_tee_surface_has_show_text_glyphs (void *abstract_surface)
+{
+ return TRUE;
+}
+
+static cairo_int_status_t
+_cairo_tee_surface_show_text_glyphs (void *abstract_surface,
+ cairo_operator_t op,
+ const cairo_pattern_t *source,
+ const char *utf8,
+ int utf8_len,
+ cairo_glyph_t *glyphs,
+ int num_glyphs,
+ const cairo_text_cluster_t *clusters,
+ int num_clusters,
+ cairo_text_cluster_flags_t cluster_flags,
+ cairo_scaled_font_t *scaled_font,
+ const cairo_clip_t *clip)
+{
+ cairo_tee_surface_t *surface = abstract_surface;
+ cairo_surface_wrapper_t *slaves;
+ cairo_int_status_t status;
+ int n, num_slaves;
+ cairo_glyph_t *glyphs_copy;
+
+ /* XXX: This copying is ugly. */
+ glyphs_copy = _cairo_malloc_ab (num_glyphs, sizeof (cairo_glyph_t));
+ if (unlikely (glyphs_copy == NULL))
+ return _cairo_error (CAIRO_STATUS_NO_MEMORY);
+
+ num_slaves = _cairo_array_num_elements (&surface->slaves);
+ slaves = _cairo_array_index (&surface->slaves, 0);
+ for (n = 0; n < num_slaves; n++) {
+ memcpy (glyphs_copy, glyphs, sizeof (cairo_glyph_t) * num_glyphs);
+ status = _cairo_surface_wrapper_show_text_glyphs (&slaves[n], op,
+ source,
+ utf8, utf8_len,
+ glyphs_copy, num_glyphs,
+ clusters, num_clusters,
+ cluster_flags,
+ scaled_font,
+ clip);
+ if (unlikely (status))
+ goto CLEANUP;
+ }
+
+ memcpy (glyphs_copy, glyphs, sizeof (cairo_glyph_t) * num_glyphs);
+ status = _cairo_surface_wrapper_show_text_glyphs (&surface->master, op,
+ source,
+ utf8, utf8_len,
+ glyphs_copy, num_glyphs,
+ clusters, num_clusters,
+ cluster_flags,
+ scaled_font,
+ clip);
+CLEANUP:
+ free (glyphs_copy);
+ return status;
+}
+
+static const cairo_surface_backend_t cairo_tee_surface_backend = {
+ CAIRO_SURFACE_TYPE_TEE,
+ _cairo_tee_surface_finish,
+
+ _cairo_default_context_create, /* XXX */
+
+ _cairo_tee_surface_create_similar,
+ NULL, /* create similar image */
+ NULL, /* map to image */
+ NULL, /* unmap image */
+
+ _cairo_tee_surface_source,
+ _cairo_tee_surface_acquire_source_image,
+ _cairo_tee_surface_release_source_image,
+ _cairo_tee_surface_snapshot,
+ NULL, /* copy_page */
+ NULL, /* show_page */
+ _cairo_tee_surface_get_extents,
+ _cairo_tee_surface_get_font_options,
+ NULL, /* flush */
+ NULL, /* mark_dirty_rectangle */
+
+ _cairo_tee_surface_paint,
+ _cairo_tee_surface_mask,
+ _cairo_tee_surface_stroke,
+ _cairo_tee_surface_fill,
+ NULL, /* fill_stroke */
+
+ NULL, /* show_glyphs */
+
+ _cairo_tee_surface_has_show_text_glyphs,
+ _cairo_tee_surface_show_text_glyphs
+};
+
+cairo_surface_t *
+cairo_tee_surface_create (cairo_surface_t *master)
+{
+ cairo_tee_surface_t *surface;
+
+ if (unlikely (master->status))
+ return _cairo_surface_create_in_error (master->status);
+
+ surface = malloc (sizeof (cairo_tee_surface_t));
+ if (unlikely (surface == NULL))
+ return _cairo_surface_create_in_error (_cairo_error (CAIRO_STATUS_NO_MEMORY));
+
+ _cairo_surface_init (&surface->base,
+ &cairo_tee_surface_backend,
+ master->device,
+ master->content);
+
+ _cairo_surface_wrapper_init (&surface->master, master);
+
+ _cairo_array_init (&surface->slaves, sizeof (cairo_surface_wrapper_t));
+
+ return &surface->base;
+}
+slim_hidden_def (cairo_tee_surface_create);
+
+void
+cairo_tee_surface_add (cairo_surface_t *abstract_surface,
+ cairo_surface_t *target)
+{
+ cairo_tee_surface_t *surface;
+ cairo_surface_wrapper_t slave;
+ cairo_status_t status;
+
+ if (unlikely (abstract_surface->status))
+ return;
+ if (unlikely (abstract_surface->finished)) {
+ status = _cairo_surface_set_error (abstract_surface,
+ _cairo_error (CAIRO_STATUS_SURFACE_FINISHED));
+ return;
+ }
+
+ if (abstract_surface->backend != &cairo_tee_surface_backend) {
+ status = _cairo_surface_set_error (abstract_surface,
+ _cairo_error (CAIRO_STATUS_SURFACE_TYPE_MISMATCH));
+ return;
+ }
+
+ if (unlikely (target->status)) {
+ status = _cairo_surface_set_error (abstract_surface, target->status);
+ return;
+ }
+
+ surface = (cairo_tee_surface_t *) abstract_surface;
+
+ _cairo_surface_wrapper_init (&slave, target);
+ status = _cairo_array_append (&surface->slaves, &slave);
+ if (unlikely (status)) {
+ _cairo_surface_wrapper_fini (&slave);
+ status = _cairo_surface_set_error (&surface->base, status);
+ }
+}
+slim_hidden_def (cairo_tee_surface_add);
+
+void
+cairo_tee_surface_remove (cairo_surface_t *abstract_surface,
+ cairo_surface_t *target)
+{
+ cairo_tee_surface_t *surface;
+ cairo_surface_wrapper_t *slaves;
+ int n, num_slaves;
+
+ if (unlikely (abstract_surface->status))
+ return;
+ if (unlikely (abstract_surface->finished)) {
+ _cairo_surface_set_error (abstract_surface,
+ _cairo_error (CAIRO_STATUS_SURFACE_FINISHED));
+ return;
+ }
+
+ if (abstract_surface->backend != &cairo_tee_surface_backend) {
+ _cairo_surface_set_error (abstract_surface,
+ _cairo_error (CAIRO_STATUS_SURFACE_TYPE_MISMATCH));
+ return;
+ }
+
+ surface = (cairo_tee_surface_t *) abstract_surface;
+ if (target == surface->master.target) {
+ _cairo_surface_set_error (abstract_surface,
+ _cairo_error (CAIRO_STATUS_INVALID_INDEX));
+ return;
+ }
+
+ num_slaves = _cairo_array_num_elements (&surface->slaves);
+ slaves = _cairo_array_index (&surface->slaves, 0);
+ for (n = 0; n < num_slaves; n++) {
+ if (slaves[n].target == target)
+ break;
+ }
+
+ if (n == num_slaves) {
+ _cairo_surface_set_error (abstract_surface,
+ _cairo_error (CAIRO_STATUS_INVALID_INDEX));
+ return;
+ }
+
+ _cairo_surface_wrapper_fini (&slaves[n]);
+ for (n++; n < num_slaves; n++)
+ slaves[n-1] = slaves[n];
+ surface->slaves.num_elements--; /* XXX: cairo_array_remove()? */
+}
+
+cairo_surface_t *
+cairo_tee_surface_index (cairo_surface_t *abstract_surface,
+ unsigned int index)
+{
+ cairo_tee_surface_t *surface;
+
+ if (unlikely (abstract_surface->status))
+ return _cairo_surface_create_in_error (abstract_surface->status);
+ if (unlikely (abstract_surface->finished))
+ return _cairo_surface_create_in_error (_cairo_error (CAIRO_STATUS_SURFACE_FINISHED));
+
+ if (abstract_surface->backend != &cairo_tee_surface_backend)
+ return _cairo_surface_create_in_error (_cairo_error (CAIRO_STATUS_SURFACE_TYPE_MISMATCH));
+
+ surface = (cairo_tee_surface_t *) abstract_surface;
+ if (index == 0) {
+ return surface->master.target;
+ } else {
+ cairo_surface_wrapper_t *slave;
+
+ index--;
+
+ if (index >= _cairo_array_num_elements (&surface->slaves))
+ return _cairo_surface_create_in_error (_cairo_error (CAIRO_STATUS_INVALID_INDEX));
+
+ slave = _cairo_array_index (&surface->slaves, index);
+ return slave->target;
+ }
+}
+
+cairo_surface_t *
+_cairo_tee_surface_find_match (void *abstract_surface,
+ const cairo_surface_backend_t *backend,
+ cairo_content_t content)
+{
+ cairo_tee_surface_t *surface = abstract_surface;
+ cairo_surface_wrapper_t *slaves;
+ int num_slaves, n;
+
+ /* exact match first */
+ if (surface->master.target->backend == backend &&
+ surface->master.target->content == content)
+ {
+ return surface->master.target;
+ }
+
+ num_slaves = _cairo_array_num_elements (&surface->slaves);
+ slaves = _cairo_array_index (&surface->slaves, 0);
+ for (n = 0; n < num_slaves; n++) {
+ if (slaves[n].target->backend == backend &&
+ slaves[n].target->content == content)
+ {
+ return slaves[n].target;
+ }
+ }
+
+ /* matching backend? */
+ if (surface->master.target->backend == backend)
+ return surface->master.target;
+
+ num_slaves = _cairo_array_num_elements (&surface->slaves);
+ slaves = _cairo_array_index (&surface->slaves, 0);
+ for (n = 0; n < num_slaves; n++) {
+ if (slaves[n].target->backend == backend)
+ return slaves[n].target;
+ }
+
+ return NULL;
+}