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authorsanine <sanine.not@pm.me>2023-02-12 23:53:22 -0600
committersanine <sanine.not@pm.me>2023-02-12 23:53:22 -0600
commitf1fe73d1909a2448a004a88362a1a532d0d4f7c3 (patch)
treeab37ae3837e2f858de2932bcee9f26e69fab3db1 /libs/cairo-1.16.0/src/cairo-xcb-surface.c
parentf567ea1e2798fd3156a416e61f083ea3e6b95719 (diff)
switch to tinyobj and nanovg from assimp and cairo
Diffstat (limited to 'libs/cairo-1.16.0/src/cairo-xcb-surface.c')
-rw-r--r--libs/cairo-1.16.0/src/cairo-xcb-surface.c1531
1 files changed, 0 insertions, 1531 deletions
diff --git a/libs/cairo-1.16.0/src/cairo-xcb-surface.c b/libs/cairo-1.16.0/src/cairo-xcb-surface.c
deleted file mode 100644
index 7f601bb..0000000
--- a/libs/cairo-1.16.0/src/cairo-xcb-surface.c
+++ /dev/null
@@ -1,1531 +0,0 @@
-/* cairo - a vector graphics library with display and print output
- *
- * Copyright © 2002 University of Southern California
- * Copyright © 2009 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):
- * Behdad Esfahbod <behdad@behdad.org>
- * Carl D. Worth <cworth@cworth.org>
- * Chris Wilson <chris@chris-wilson.co.uk>
- * Karl Tomlinson <karlt+@karlt.net>, Mozilla Corporation
- */
-
-#include "cairoint.h"
-
-#include "cairo-xcb.h"
-#include "cairo-xcb-private.h"
-
-#include "cairo-composite-rectangles-private.h"
-#include "cairo-default-context-private.h"
-#include "cairo-image-surface-inline.h"
-#include "cairo-list-inline.h"
-#include "cairo-surface-backend-private.h"
-#include "cairo-compositor-private.h"
-
-#if CAIRO_HAS_XLIB_XCB_FUNCTIONS
-slim_hidden_proto (cairo_xcb_surface_create);
-slim_hidden_proto (cairo_xcb_surface_create_for_bitmap);
-slim_hidden_proto (cairo_xcb_surface_create_with_xrender_format);
-#endif
-
-/**
- * SECTION:cairo-xcb
- * @Title: XCB Surfaces
- * @Short_Description: X Window System rendering using the XCB library
- * @See_Also: #cairo_surface_t
- *
- * The XCB surface is used to render cairo graphics to X Window System
- * windows and pixmaps using the XCB library.
- *
- * Note that the XCB surface automatically takes advantage of the X render
- * extension if it is available.
- **/
-
-/**
- * CAIRO_HAS_XCB_SURFACE:
- *
- * Defined if the xcb surface backend is available.
- * This macro can be used to conditionally compile backend-specific code.
- *
- * Since: 1.12
- **/
-
-cairo_surface_t *
-_cairo_xcb_surface_create_similar (void *abstract_other,
- cairo_content_t content,
- int width,
- int height)
-{
- cairo_xcb_surface_t *other = abstract_other;
- cairo_xcb_surface_t *surface;
- cairo_xcb_connection_t *connection;
- xcb_pixmap_t pixmap;
- cairo_status_t status;
-
- if (unlikely(width > XLIB_COORD_MAX ||
- height > XLIB_COORD_MAX ||
- width <= 0 ||
- height <= 0))
- return cairo_image_surface_create (_cairo_format_from_content (content),
- width, height);
-
- if ((other->connection->flags & CAIRO_XCB_HAS_RENDER) == 0)
- return _cairo_xcb_surface_create_similar_image (other,
- _cairo_format_from_content (content),
- width, height);
-
- connection = other->connection;
- status = _cairo_xcb_connection_acquire (connection);
- if (unlikely (status))
- return _cairo_surface_create_in_error (status);
-
- if (content == other->base.content) {
- pixmap = _cairo_xcb_connection_create_pixmap (connection,
- other->depth,
- other->drawable,
- width, height);
-
- surface = (cairo_xcb_surface_t *)
- _cairo_xcb_surface_create_internal (other->screen,
- pixmap, TRUE,
- other->pixman_format,
- other->xrender_format,
- width, height);
- } else {
- cairo_format_t format;
- pixman_format_code_t pixman_format;
-
- /* XXX find a compatible xrender format */
- switch (content) {
- case CAIRO_CONTENT_ALPHA:
- pixman_format = PIXMAN_a8;
- format = CAIRO_FORMAT_A8;
- break;
- case CAIRO_CONTENT_COLOR:
- pixman_format = PIXMAN_x8r8g8b8;
- format = CAIRO_FORMAT_RGB24;
- break;
- default:
- ASSERT_NOT_REACHED;
- case CAIRO_CONTENT_COLOR_ALPHA:
- pixman_format = PIXMAN_a8r8g8b8;
- format = CAIRO_FORMAT_ARGB32;
- break;
- }
-
- pixmap = _cairo_xcb_connection_create_pixmap (connection,
- PIXMAN_FORMAT_DEPTH (pixman_format),
- other->drawable,
- width, height);
-
- surface = (cairo_xcb_surface_t *)
- _cairo_xcb_surface_create_internal (other->screen,
- pixmap, TRUE,
- pixman_format,
- connection->standard_formats[format],
- width, height);
- }
-
- if (unlikely (surface->base.status))
- _cairo_xcb_connection_free_pixmap (connection, pixmap);
-
- _cairo_xcb_connection_release (connection);
-
- return &surface->base;
-}
-
-cairo_surface_t *
-_cairo_xcb_surface_create_similar_image (void *abstract_other,
- cairo_format_t format,
- int width,
- int height)
-{
- cairo_xcb_surface_t *other = abstract_other;
- cairo_xcb_connection_t *connection = other->connection;
-
- cairo_xcb_shm_info_t *shm_info;
- cairo_image_surface_t *image;
- cairo_status_t status;
- pixman_format_code_t pixman_format;
-
- if (unlikely(width > XLIB_COORD_MAX ||
- height > XLIB_COORD_MAX ||
- width <= 0 ||
- height <= 0))
- return NULL;
-
- pixman_format = _cairo_format_to_pixman_format_code (format);
-
- status = _cairo_xcb_shm_image_create (connection, pixman_format,
- width, height, &image,
- &shm_info);
- if (unlikely (status))
- return _cairo_surface_create_in_error (status);
-
- if (! image->base.is_clear) {
- memset (image->data, 0, image->stride * image->height);
- image->base.is_clear = TRUE;
- }
-
- return &image->base;
-}
-
-static cairo_status_t
-_cairo_xcb_surface_finish (void *abstract_surface)
-{
- cairo_xcb_surface_t *surface = abstract_surface;
- cairo_status_t status;
-
- if (surface->fallback != NULL) {
- cairo_surface_finish (&surface->fallback->base);
- cairo_surface_destroy (&surface->fallback->base);
- }
- _cairo_boxes_fini (&surface->fallback_damage);
-
- cairo_list_del (&surface->link);
-
- status = _cairo_xcb_connection_acquire (surface->connection);
- if (status == CAIRO_STATUS_SUCCESS) {
- if (surface->picture != XCB_NONE) {
- _cairo_xcb_connection_render_free_picture (surface->connection,
- surface->picture);
- }
-
- if (surface->owns_pixmap)
- _cairo_xcb_connection_free_pixmap (surface->connection, surface->drawable);
- _cairo_xcb_connection_release (surface->connection);
- }
-
- _cairo_xcb_connection_destroy (surface->connection);
-
- return status;
-}
-
-static void
-_destroy_image (pixman_image_t *image, void *data)
-{
- free (data);
-}
-
-#if CAIRO_HAS_XCB_SHM_FUNCTIONS
-static cairo_surface_t *
-_cairo_xcb_surface_create_shm_image (cairo_xcb_connection_t *connection,
- pixman_format_code_t pixman_format,
- int width, int height,
- cairo_bool_t might_reuse,
- cairo_xcb_shm_info_t **shm_info_out)
-{
- cairo_surface_t *image;
- cairo_xcb_shm_info_t *shm_info;
- cairo_int_status_t status;
- size_t stride;
-
- *shm_info_out = NULL;
-
- stride = CAIRO_STRIDE_FOR_WIDTH_BPP (width,
- PIXMAN_FORMAT_BPP (pixman_format));
- status = _cairo_xcb_connection_allocate_shm_info (connection,
- stride * height,
- might_reuse,
- &shm_info);
- if (unlikely (status)) {
- if (status == CAIRO_INT_STATUS_UNSUPPORTED)
- return NULL;
-
- return _cairo_surface_create_in_error (status);
- }
-
- image = _cairo_image_surface_create_with_pixman_format (shm_info->mem,
- pixman_format,
- width, height,
- stride);
- if (unlikely (image->status)) {
- _cairo_xcb_shm_info_destroy (shm_info);
- return image;
- }
-
- status = _cairo_user_data_array_set_data (&image->user_data,
- (const cairo_user_data_key_t *) connection,
- shm_info,
- (cairo_destroy_func_t) _cairo_xcb_shm_info_destroy);
- if (unlikely (status)) {
- cairo_surface_destroy (image);
- _cairo_xcb_shm_info_destroy (shm_info);
- return _cairo_surface_create_in_error (status);
- }
-
- *shm_info_out = shm_info;
- return image;
-}
-#endif
-
-static cairo_surface_t *
-_get_shm_image (cairo_xcb_surface_t *surface,
- int x, int y,
- int width, int height)
-{
-#if CAIRO_HAS_XCB_SHM_FUNCTIONS
- cairo_xcb_shm_info_t *shm_info;
- cairo_surface_t *image;
- cairo_status_t status;
-
- if ((surface->connection->flags & CAIRO_XCB_HAS_SHM) == 0)
- return NULL;
-
- image = _cairo_xcb_surface_create_shm_image (surface->connection,
- surface->pixman_format,
- width, height,
- TRUE,
- &shm_info);
- if (unlikely (image == NULL || image->status))
- goto done;
-
- status = _cairo_xcb_connection_shm_get_image (surface->connection,
- surface->drawable,
- x, y,
- width, height,
- shm_info->shm,
- shm_info->offset);
- if (unlikely (status)) {
- cairo_surface_destroy (image);
- image = _cairo_surface_create_in_error (status);
- }
-
-done:
- return image;
-#else
- return NULL;
-#endif
-}
-
-static cairo_surface_t *
-_get_image (cairo_xcb_surface_t *surface,
- cairo_bool_t use_shm,
- int x, int y,
- int width, int height)
-{
- cairo_surface_t *image;
- cairo_xcb_connection_t *connection;
- xcb_get_image_reply_t *reply;
- cairo_int_status_t status;
-
- assert (surface->fallback == NULL);
- assert (x >= 0);
- assert (y >= 0);
- assert (x + width <= surface->width);
- assert (y + height <= surface->height);
-
- if (surface->deferred_clear) {
- image =
- _cairo_image_surface_create_with_pixman_format (NULL,
- surface->pixman_format,
- width, height,
- 0);
- if (surface->deferred_clear_color.alpha_short > 0x00ff) {
- cairo_solid_pattern_t solid;
-
- _cairo_pattern_init_solid (&solid, &surface->deferred_clear_color);
- status = _cairo_surface_paint (image,
- CAIRO_OPERATOR_SOURCE,
- &solid.base,
- NULL);
- if (unlikely (status)) {
- cairo_surface_destroy (image);
- image = _cairo_surface_create_in_error (status);
- }
- }
- return image;
- }
-
- connection = surface->connection;
-
- status = _cairo_xcb_connection_acquire (connection);
- if (unlikely (status))
- return _cairo_surface_create_in_error (status);
-
- if (use_shm) {
- image = _get_shm_image (surface, x, y, width, height);
- if (image) {
- if (image->status == CAIRO_STATUS_SUCCESS) {
- _cairo_xcb_connection_release (connection);
- return image;
- }
- cairo_surface_destroy (image);
- }
- }
-
- reply =_cairo_xcb_connection_get_image (connection,
- surface->drawable,
- x, y,
- width, height);
-
- if (reply == NULL && ! surface->owns_pixmap) {
- /* xcb_get_image_t from a window is dangerous because it can
- * produce errors if the window is unmapped or partially
- * outside the screen. We could check for errors and
- * retry, but to keep things simple, we just create a
- * temporary pixmap
- *
- * If we hit this fallback too often, we should remember so and
- * skip the round-trip from the above GetImage request,
- * similar to what cairo-xlib does.
- */
- xcb_pixmap_t pixmap;
- xcb_gcontext_t gc;
-
- gc = _cairo_xcb_screen_get_gc (surface->screen,
- surface->drawable,
- surface->depth);
- pixmap = _cairo_xcb_connection_create_pixmap (connection,
- surface->depth,
- surface->drawable,
- width, height);
-
- /* XXX IncludeInferiors? */
- _cairo_xcb_connection_copy_area (connection,
- surface->drawable,
- pixmap, gc,
- x, y,
- 0, 0,
- width, height);
-
- _cairo_xcb_screen_put_gc (surface->screen, surface->depth, gc);
-
- reply = _cairo_xcb_connection_get_image (connection,
- pixmap,
- 0, 0,
- width, height);
- _cairo_xcb_connection_free_pixmap (connection, pixmap);
- }
-
- if (unlikely (reply == NULL)) {
- status = _cairo_error (CAIRO_STATUS_NO_MEMORY);
- goto FAIL;
- }
-
- /* XXX byte swap */
- /* XXX format conversion */
- assert (reply->depth == surface->depth);
-
- image = _cairo_image_surface_create_with_pixman_format
- (xcb_get_image_data (reply),
- surface->pixman_format,
- width, height,
- CAIRO_STRIDE_FOR_WIDTH_BPP (width,
- PIXMAN_FORMAT_BPP (surface->pixman_format)));
- status = image->status;
- if (unlikely (status)) {
- free (reply);
- goto FAIL;
- }
-
- /* XXX */
- pixman_image_set_destroy_function (((cairo_image_surface_t *)image)->pixman_image, _destroy_image, reply);
-
- _cairo_xcb_connection_release (connection);
-
- return image;
-
-FAIL:
- _cairo_xcb_connection_release (connection);
- return _cairo_surface_create_in_error (status);
-}
-
-static cairo_surface_t *
-_cairo_xcb_surface_source (void *abstract_surface,
- cairo_rectangle_int_t *extents)
-{
- cairo_xcb_surface_t *surface = abstract_surface;
-
- if (extents) {
- extents->x = extents->y = 0;
- extents->width = surface->width;
- extents->height = surface->height;
- }
-
- return &surface->base;
-}
-
-static cairo_status_t
-_cairo_xcb_surface_acquire_source_image (void *abstract_surface,
- cairo_image_surface_t **image_out,
- void **image_extra)
-{
- cairo_xcb_surface_t *surface = abstract_surface;
- cairo_surface_t *image;
-
- if (surface->fallback != NULL) {
- image = cairo_surface_reference (&surface->fallback->base);
- goto DONE;
- }
-
- image = _cairo_surface_has_snapshot (&surface->base,
- &_cairo_image_surface_backend);
- if (image != NULL) {
- image = cairo_surface_reference (image);
- goto DONE;
- }
-
- image = _get_image (surface, FALSE, 0, 0, surface->width, surface->height);
- if (unlikely (image->status))
- return image->status;
-
- _cairo_surface_attach_snapshot (&surface->base, image, NULL);
-
-DONE:
- *image_out = (cairo_image_surface_t *) image;
- *image_extra = NULL;
- return CAIRO_STATUS_SUCCESS;
-}
-
-static void
-_cairo_xcb_surface_release_source_image (void *abstract_surface,
- cairo_image_surface_t *image,
- void *image_extra)
-{
- cairo_surface_destroy (&image->base);
-}
-
-cairo_bool_t
-_cairo_xcb_surface_get_extents (void *abstract_surface,
- cairo_rectangle_int_t *extents)
-{
- cairo_xcb_surface_t *surface = abstract_surface;
-
- extents->x = extents->y = 0;
- extents->width = surface->width;
- extents->height = surface->height;
- return TRUE;
-}
-
-static void
-_cairo_xcb_surface_get_font_options (void *abstract_surface,
- cairo_font_options_t *options)
-{
- cairo_xcb_surface_t *surface = abstract_surface;
-
- *options = *_cairo_xcb_screen_get_font_options (surface->screen);
-}
-
-static cairo_status_t
-_put_shm_image (cairo_xcb_surface_t *surface,
- xcb_gcontext_t gc,
- cairo_image_surface_t *image)
-{
-#if CAIRO_HAS_XCB_SHM_FUNCTIONS
- cairo_xcb_shm_info_t *shm_info;
-
- shm_info = _cairo_user_data_array_get_data (&image->base.user_data,
- (const cairo_user_data_key_t *) surface->connection);
- if (shm_info == NULL)
- return CAIRO_INT_STATUS_UNSUPPORTED;
-
- _cairo_xcb_connection_shm_put_image (surface->connection,
- surface->drawable,
- gc,
- surface->width, surface->height,
- 0, 0,
- image->width, image->height,
- image->base.device_transform_inverse.x0,
- image->base.device_transform_inverse.y0,
- image->depth,
- shm_info->shm,
- shm_info->offset);
-
- return CAIRO_STATUS_SUCCESS;
-#else
- return CAIRO_INT_STATUS_UNSUPPORTED;
-#endif
-}
-
-static cairo_status_t
-_put_image (cairo_xcb_surface_t *surface,
- cairo_image_surface_t *image)
-{
- cairo_int_status_t status = CAIRO_INT_STATUS_SUCCESS;
-
- /* XXX track damaged region? */
-
- status = _cairo_xcb_connection_acquire (surface->connection);
- if (unlikely (status))
- return status;
-
- if (image->pixman_format == surface->pixman_format) {
- xcb_gcontext_t gc;
-
- assert (image->depth == surface->depth);
- assert (image->stride == (int) CAIRO_STRIDE_FOR_WIDTH_BPP (image->width, PIXMAN_FORMAT_BPP (image->pixman_format)));
-
- gc = _cairo_xcb_screen_get_gc (surface->screen,
- surface->drawable,
- surface->depth);
-
- status = _put_shm_image (surface, gc, image);
- if (status == CAIRO_INT_STATUS_UNSUPPORTED) {
- _cairo_xcb_connection_put_image (surface->connection,
- surface->drawable, gc,
- image->width, image->height,
- image->base.device_transform_inverse.x0,
- image->base.device_transform_inverse.y0,
- image->depth,
- image->stride,
- image->data);
- status = CAIRO_STATUS_SUCCESS;
- }
-
- _cairo_xcb_screen_put_gc (surface->screen, surface->depth, gc);
- } else {
- ASSERT_NOT_REACHED;
- }
-
- _cairo_xcb_connection_release (surface->connection);
- return status;
-}
-
-static cairo_int_status_t
-_put_shm_image_boxes (cairo_xcb_surface_t *surface,
- cairo_image_surface_t *image,
- xcb_gcontext_t gc,
- cairo_boxes_t *boxes)
-{
-#if CAIRO_HAS_XCB_SHM_FUNCTIONS
- cairo_xcb_shm_info_t *shm_info;
-
- shm_info = _cairo_user_data_array_get_data (&image->base.user_data,
- (const cairo_user_data_key_t *) surface->connection);
- if (shm_info != NULL) {
- struct _cairo_boxes_chunk *chunk;
-
- for (chunk = &boxes->chunks; chunk; chunk = chunk->next) {
- int i;
-
- for (i = 0; i < chunk->count; i++) {
- cairo_box_t *b = &chunk->base[i];
- int x = _cairo_fixed_integer_part (b->p1.x);
- int y = _cairo_fixed_integer_part (b->p1.y);
- int width = _cairo_fixed_integer_part (b->p2.x - b->p1.x);
- int height = _cairo_fixed_integer_part (b->p2.y - b->p1.y);
-
- _cairo_xcb_connection_shm_put_image (surface->connection,
- surface->drawable,
- gc,
- surface->width, surface->height,
- x, y,
- width, height,
- x, y,
- image->depth,
- shm_info->shm,
- shm_info->offset);
- }
- }
- return CAIRO_INT_STATUS_SUCCESS;
- }
-#endif
-
- return CAIRO_INT_STATUS_UNSUPPORTED;
-}
-
-static cairo_status_t
-_put_image_boxes (cairo_xcb_surface_t *surface,
- cairo_image_surface_t *image,
- cairo_boxes_t *boxes)
-{
- cairo_int_status_t status = CAIRO_INT_STATUS_SUCCESS;
- xcb_gcontext_t gc;
-
- if (boxes->num_boxes == 0)
- return CAIRO_STATUS_SUCCESS;
-
- /* XXX track damaged region? */
-
- status = _cairo_xcb_connection_acquire (surface->connection);
- if (unlikely (status))
- return status;
-
- assert (image->pixman_format == surface->pixman_format);
- assert (image->depth == surface->depth);
- assert (image->stride == (int) CAIRO_STRIDE_FOR_WIDTH_BPP (image->width, PIXMAN_FORMAT_BPP (image->pixman_format)));
-
- gc = _cairo_xcb_screen_get_gc (surface->screen,
- surface->drawable,
- surface->depth);
-
- status = _put_shm_image_boxes (surface, image, gc, boxes);
- if (status == CAIRO_INT_STATUS_UNSUPPORTED) {
- struct _cairo_boxes_chunk *chunk;
-
- for (chunk = &boxes->chunks; chunk; chunk = chunk->next) {
- int i;
-
- for (i = 0; i < chunk->count; i++) {
- cairo_box_t *b = &chunk->base[i];
- int x = _cairo_fixed_integer_part (b->p1.x);
- int y = _cairo_fixed_integer_part (b->p1.y);
- int width = _cairo_fixed_integer_part (b->p2.x - b->p1.x);
- int height = _cairo_fixed_integer_part (b->p2.y - b->p1.y);
- _cairo_xcb_connection_put_subimage (surface->connection,
- surface->drawable, gc,
- x, y,
- width, height,
- PIXMAN_FORMAT_BPP (image->pixman_format) / 8,
- image->stride,
- x, y,
- image->depth,
- image->data);
-
- }
- }
- status = CAIRO_STATUS_SUCCESS;
- }
-
- _cairo_xcb_screen_put_gc (surface->screen, surface->depth, gc);
- _cairo_xcb_connection_release (surface->connection);
- return status;
-}
-
-static cairo_status_t
-_cairo_xcb_surface_flush (void *abstract_surface,
- unsigned flags)
-{
- cairo_xcb_surface_t *surface = abstract_surface;
- cairo_status_t status;
-
- if (flags)
- return CAIRO_STATUS_SUCCESS;
-
- if (likely (surface->fallback == NULL)) {
- status = CAIRO_STATUS_SUCCESS;
- if (! surface->base.finished && surface->deferred_clear)
- status = _cairo_xcb_surface_clear (surface);
-
- return status;
- }
-
- status = surface->base.status;
- if (status == CAIRO_STATUS_SUCCESS &&
- (! surface->base._finishing || ! surface->owns_pixmap)) {
- status = cairo_surface_status (&surface->fallback->base);
-
- if (status == CAIRO_STATUS_SUCCESS)
- status = _cairo_bentley_ottmann_tessellate_boxes (&surface->fallback_damage,
- CAIRO_FILL_RULE_WINDING,
- &surface->fallback_damage);
-
- if (status == CAIRO_STATUS_SUCCESS)
- status = _put_image_boxes (surface,
- surface->fallback,
- &surface->fallback_damage);
-
- if (status == CAIRO_STATUS_SUCCESS && ! surface->base._finishing) {
- _cairo_surface_attach_snapshot (&surface->base,
- &surface->fallback->base,
- cairo_surface_finish);
- }
- }
-
- _cairo_boxes_clear (&surface->fallback_damage);
- cairo_surface_destroy (&surface->fallback->base);
- surface->fallback = NULL;
-
- return status;
-}
-
-static cairo_image_surface_t *
-_cairo_xcb_surface_map_to_image (void *abstract_surface,
- const cairo_rectangle_int_t *extents)
-{
- cairo_xcb_surface_t *surface = abstract_surface;
- cairo_surface_t *image;
- cairo_status_t status;
-
- if (surface->fallback)
- return _cairo_surface_map_to_image (&surface->fallback->base, extents);
-
- image = _get_image (surface, TRUE,
- extents->x, extents->y,
- extents->width, extents->height);
- status = cairo_surface_status (image);
- if (unlikely (status)) {
- cairo_surface_destroy(image);
- return _cairo_image_surface_create_in_error (status);
- }
-
- /* Do we have a deferred clear and this image surface does NOT cover the
- * whole xcb surface? Have to apply the clear in that case, else
- * uploading the image will handle the problem for us.
- */
- if (surface->deferred_clear &&
- ! (extents->width == surface->width &&
- extents->height == surface->height)) {
- status = _cairo_xcb_surface_clear (surface);
- if (unlikely (status)) {
- cairo_surface_destroy(image);
- return _cairo_image_surface_create_in_error (status);
- }
- }
- surface->deferred_clear = FALSE;
-
- cairo_surface_set_device_offset (image, -extents->x, -extents->y);
- return (cairo_image_surface_t *) image;
-}
-
-static cairo_int_status_t
-_cairo_xcb_surface_unmap (void *abstract_surface,
- cairo_image_surface_t *image)
-{
- cairo_xcb_surface_t *surface = abstract_surface;
- cairo_int_status_t status;
-
- if (surface->fallback)
- return _cairo_surface_unmap_image (&surface->fallback->base, image);
-
- status = _put_image (abstract_surface, image);
-
- cairo_surface_finish (&image->base);
- cairo_surface_destroy (&image->base);
-
- return status;
-}
-
-static cairo_surface_t *
-_cairo_xcb_surface_fallback (cairo_xcb_surface_t *surface,
- cairo_composite_rectangles_t *composite)
-{
- cairo_image_surface_t *image;
- cairo_status_t status;
-
- status = _cairo_composite_rectangles_add_to_damage (composite,
- &surface->fallback_damage);
- if (unlikely (status))
- return _cairo_surface_create_in_error (status);
-
- if (surface->fallback)
- return &surface->fallback->base;
-
- image = (cairo_image_surface_t *)
- _get_image (surface, TRUE, 0, 0, surface->width, surface->height);
-
- if (image->base.status != CAIRO_STATUS_SUCCESS)
- return &image->base;
-
- /* If there was a deferred clear, _get_image applied it */
- surface->deferred_clear = FALSE;
-
- surface->fallback = image;
-
- return &surface->fallback->base;
-}
-
-static cairo_int_status_t
-_cairo_xcb_fallback_compositor_paint (const cairo_compositor_t *compositor,
- cairo_composite_rectangles_t *extents)
-{
- cairo_xcb_surface_t *surface = (cairo_xcb_surface_t *) extents->surface;
- cairo_surface_t *fallback = _cairo_xcb_surface_fallback (surface, extents);
-
- return _cairo_surface_paint (fallback, extents->op,
- &extents->source_pattern.base,
- extents->clip);
-}
-
-static cairo_int_status_t
-_cairo_xcb_fallback_compositor_mask (const cairo_compositor_t *compositor,
- cairo_composite_rectangles_t *extents)
-{
- cairo_xcb_surface_t *surface = (cairo_xcb_surface_t *) extents->surface;
- cairo_surface_t *fallback = _cairo_xcb_surface_fallback (surface, extents);
-
- return _cairo_surface_mask (fallback, extents->op,
- &extents->source_pattern.base,
- &extents->mask_pattern.base,
- extents->clip);
-}
-
-static cairo_int_status_t
-_cairo_xcb_fallback_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_xcb_surface_t *surface = (cairo_xcb_surface_t *) extents->surface;
- cairo_surface_t *fallback = _cairo_xcb_surface_fallback (surface, extents);
-
- return _cairo_surface_stroke (fallback, extents->op,
- &extents->source_pattern.base,
- path, style, ctm, ctm_inverse,
- tolerance, antialias,
- extents->clip);
-}
-
-static cairo_int_status_t
-_cairo_xcb_fallback_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_xcb_surface_t *surface = (cairo_xcb_surface_t *) extents->surface;
- cairo_surface_t *fallback = _cairo_xcb_surface_fallback (surface, extents);
-
- return _cairo_surface_fill (fallback, extents->op,
- &extents->source_pattern.base,
- path, fill_rule, tolerance,
- antialias, extents->clip);
-}
-
-static cairo_int_status_t
-_cairo_xcb_fallback_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_xcb_surface_t *surface = (cairo_xcb_surface_t *) extents->surface;
- cairo_surface_t *fallback = _cairo_xcb_surface_fallback (surface, extents);
-
- return _cairo_surface_show_text_glyphs (fallback, extents->op,
- &extents->source_pattern.base,
- NULL, 0, glyphs, num_glyphs,
- NULL, 0, 0,
- scaled_font, extents->clip);
-}
-
-static const cairo_compositor_t _cairo_xcb_fallback_compositor = {
- &__cairo_no_compositor,
-
- _cairo_xcb_fallback_compositor_paint,
- _cairo_xcb_fallback_compositor_mask,
- _cairo_xcb_fallback_compositor_stroke,
- _cairo_xcb_fallback_compositor_fill,
- _cairo_xcb_fallback_compositor_glyphs,
-};
-
-static const cairo_compositor_t _cairo_xcb_render_compositor = {
- &_cairo_xcb_fallback_compositor,
-
- _cairo_xcb_render_compositor_paint,
- _cairo_xcb_render_compositor_mask,
- _cairo_xcb_render_compositor_stroke,
- _cairo_xcb_render_compositor_fill,
- _cairo_xcb_render_compositor_glyphs,
-};
-
-static inline const cairo_compositor_t *
-get_compositor (cairo_surface_t **s)
-{
- cairo_xcb_surface_t *surface = (cairo_xcb_surface_t * )*s;
- if (surface->fallback) {
- *s = &surface->fallback->base;
- return ((cairo_image_surface_t *) *s)->compositor;
- }
-
- return &_cairo_xcb_render_compositor;
-}
-
-static cairo_int_status_t
-_cairo_xcb_surface_paint (void *abstract_surface,
- cairo_operator_t op,
- const cairo_pattern_t *source,
- const cairo_clip_t *clip)
-{
- cairo_surface_t *surface = abstract_surface;
- const cairo_compositor_t *compositor = get_compositor (&surface);
- return _cairo_compositor_paint (compositor, surface, op, source, clip);
-}
-
-static cairo_int_status_t
-_cairo_xcb_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_surface_t *surface = abstract_surface;
- const cairo_compositor_t *compositor = get_compositor (&surface);
- return _cairo_compositor_mask (compositor, surface, op, source, mask, clip);
-}
-
-static cairo_int_status_t
-_cairo_xcb_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_surface_t *surface = abstract_surface;
- const cairo_compositor_t *compositor = get_compositor (&surface);
- return _cairo_compositor_stroke (compositor, surface, op, source,
- path, style, ctm, ctm_inverse,
- tolerance, antialias, clip);
-}
-
-static cairo_int_status_t
-_cairo_xcb_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_surface_t *surface = abstract_surface;
- const cairo_compositor_t *compositor = get_compositor (&surface);
- return _cairo_compositor_fill (compositor, surface, op,
- source, path, fill_rule,
- tolerance, antialias, clip);
-}
-
-static cairo_int_status_t
-_cairo_xcb_surface_glyphs (void *abstract_surface,
- cairo_operator_t op,
- const cairo_pattern_t *source,
- cairo_glyph_t *glyphs,
- int num_glyphs,
- cairo_scaled_font_t *scaled_font,
- const cairo_clip_t *clip)
-{
- cairo_surface_t *surface = abstract_surface;
- const cairo_compositor_t *compositor = get_compositor (&surface);
- return _cairo_compositor_glyphs (compositor, surface, op,
- source, glyphs, num_glyphs,
- scaled_font, clip);
-}
-
-const cairo_surface_backend_t _cairo_xcb_surface_backend = {
- CAIRO_SURFACE_TYPE_XCB,
- _cairo_xcb_surface_finish,
- _cairo_default_context_create,
-
- _cairo_xcb_surface_create_similar,
- _cairo_xcb_surface_create_similar_image,
- _cairo_xcb_surface_map_to_image,
- _cairo_xcb_surface_unmap,
-
- _cairo_xcb_surface_source,
- _cairo_xcb_surface_acquire_source_image,
- _cairo_xcb_surface_release_source_image,
- NULL, /* snapshot */
-
-
- NULL, /* copy_page */
- NULL, /* show_page */
-
- _cairo_xcb_surface_get_extents,
- _cairo_xcb_surface_get_font_options,
-
- _cairo_xcb_surface_flush,
- NULL,
-
- _cairo_xcb_surface_paint,
- _cairo_xcb_surface_mask,
- _cairo_xcb_surface_stroke,
- _cairo_xcb_surface_fill,
- NULL, /* fill-stroke */
- _cairo_xcb_surface_glyphs,
-};
-
-cairo_surface_t *
-_cairo_xcb_surface_create_internal (cairo_xcb_screen_t *screen,
- xcb_drawable_t drawable,
- cairo_bool_t owns_pixmap,
- pixman_format_code_t pixman_format,
- xcb_render_pictformat_t xrender_format,
- int width,
- int height)
-{
- cairo_xcb_surface_t *surface;
-
- surface = _cairo_malloc (sizeof (cairo_xcb_surface_t));
- if (unlikely (surface == NULL))
- return _cairo_surface_create_in_error (_cairo_error (CAIRO_STATUS_NO_MEMORY));
-
- _cairo_surface_init (&surface->base,
- &_cairo_xcb_surface_backend,
- &screen->connection->device,
- _cairo_content_from_pixman_format (pixman_format),
- FALSE); /* is_vector */
-
- surface->connection = _cairo_xcb_connection_reference (screen->connection);
- surface->screen = screen;
- cairo_list_add (&surface->link, &screen->surfaces);
-
- surface->drawable = drawable;
- surface->owns_pixmap = owns_pixmap;
-
- surface->deferred_clear = FALSE;
- surface->deferred_clear_color = *CAIRO_COLOR_TRANSPARENT;
-
- surface->width = width;
- surface->height = height;
- surface->depth = PIXMAN_FORMAT_DEPTH (pixman_format);
-
- surface->picture = XCB_NONE;
- if (screen->connection->force_precision != -1)
- surface->precision = screen->connection->force_precision;
- else
- surface->precision = XCB_RENDER_POLY_MODE_IMPRECISE;
-
- surface->pixman_format = pixman_format;
- surface->xrender_format = xrender_format;
-
- surface->fallback = NULL;
- _cairo_boxes_init (&surface->fallback_damage);
-
- return &surface->base;
-}
-
-static xcb_screen_t *
-_cairo_xcb_screen_from_visual (xcb_connection_t *connection,
- xcb_visualtype_t *visual,
- int *depth)
-{
- xcb_depth_iterator_t d;
- xcb_screen_iterator_t s;
-
- s = xcb_setup_roots_iterator (xcb_get_setup (connection));
- for (; s.rem; xcb_screen_next (&s)) {
- if (s.data->root_visual == visual->visual_id) {
- *depth = s.data->root_depth;
- return s.data;
- }
-
- d = xcb_screen_allowed_depths_iterator(s.data);
- for (; d.rem; xcb_depth_next (&d)) {
- xcb_visualtype_iterator_t v = xcb_depth_visuals_iterator (d.data);
-
- for (; v.rem; xcb_visualtype_next (&v)) {
- if (v.data->visual_id == visual->visual_id) {
- *depth = d.data->depth;
- return s.data;
- }
- }
- }
- }
-
- return NULL;
-}
-
-/**
- * cairo_xcb_surface_create:
- * @connection: an XCB connection
- * @drawable: an XCB drawable
- * @visual: the visual to use for drawing to @drawable. The depth
- * of the visual must match the depth of the drawable.
- * Currently, only TrueColor visuals are fully supported.
- * @width: the current width of @drawable
- * @height: the current height of @drawable
- *
- * Creates an XCB surface that draws to the given drawable.
- * The way that colors are represented in the drawable is specified
- * by the provided visual.
- *
- * Note: If @drawable is a Window, then the function
- * cairo_xcb_surface_set_size() must be called whenever the size of the
- * window changes.
- *
- * When @drawable is a Window containing child windows then drawing to
- * the created surface will be clipped by those child windows. When
- * the created surface is used as a source, the contents of the
- * children will be included.
- *
- * Return value: a pointer to the newly created surface. The caller
- * owns the surface and should call cairo_surface_destroy() when done
- * with it.
- *
- * This function always returns a valid pointer, but it will return a
- * pointer to a "nil" surface if an error such as out of memory
- * occurs. You can use cairo_surface_status() to check for this.
- *
- * Since: 1.12
- **/
-cairo_surface_t *
-cairo_xcb_surface_create (xcb_connection_t *connection,
- xcb_drawable_t drawable,
- xcb_visualtype_t *visual,
- int width,
- int height)
-{
- cairo_xcb_screen_t *screen;
- xcb_screen_t *xcb_screen;
- cairo_format_masks_t image_masks;
- pixman_format_code_t pixman_format;
- xcb_render_pictformat_t xrender_format;
- int depth;
-
- if (xcb_connection_has_error (connection))
- return _cairo_surface_create_in_error (_cairo_error (CAIRO_STATUS_WRITE_ERROR));
-
- if (unlikely (width > XLIB_COORD_MAX || height > XLIB_COORD_MAX))
- return _cairo_surface_create_in_error (_cairo_error (CAIRO_STATUS_INVALID_SIZE));
- if (unlikely (width <= 0 || height <= 0))
- return _cairo_surface_create_in_error (_cairo_error (CAIRO_STATUS_INVALID_SIZE));
-
- xcb_screen = _cairo_xcb_screen_from_visual (connection, visual, &depth);
- if (unlikely (xcb_screen == NULL))
- return _cairo_surface_create_in_error (_cairo_error (CAIRO_STATUS_INVALID_VISUAL));
-
- image_masks.alpha_mask = 0;
- image_masks.red_mask = visual->red_mask;
- image_masks.green_mask = visual->green_mask;
- image_masks.blue_mask = visual->blue_mask;
- if (depth == 32) /* XXX visuals have no alpha! */
- image_masks.alpha_mask =
- 0xffffffff & ~(visual->red_mask | visual->green_mask | visual->blue_mask);
- if (depth > 16)
- image_masks.bpp = 32;
- else if (depth > 8)
- image_masks.bpp = 16;
- else if (depth > 1)
- image_masks.bpp = 8;
- else
- image_masks.bpp = 1;
-
- if (! _pixman_format_from_masks (&image_masks, &pixman_format))
- return _cairo_surface_create_in_error (_cairo_error (CAIRO_STATUS_INVALID_FORMAT));
-
- screen = _cairo_xcb_screen_get (connection, xcb_screen);
- if (unlikely (screen == NULL))
- return _cairo_surface_create_in_error (_cairo_error (CAIRO_STATUS_NO_MEMORY));
-
- xrender_format =
- _cairo_xcb_connection_get_xrender_format_for_visual (screen->connection,
- visual->visual_id);
-
- return _cairo_xcb_surface_create_internal (screen, drawable, FALSE,
- pixman_format,
- xrender_format,
- width, height);
-}
-#if CAIRO_HAS_XLIB_XCB_FUNCTIONS
-slim_hidden_def (cairo_xcb_surface_create);
-#endif
-
-/**
- * cairo_xcb_surface_create_for_bitmap:
- * @connection: an XCB connection
- * @screen: the XCB screen associated with @bitmap
- * @bitmap: an XCB drawable (a Pixmap with depth 1)
- * @width: the current width of @bitmap
- * @height: the current height of @bitmap
- *
- * Creates an XCB surface that draws to the given bitmap.
- * This will be drawn to as a %CAIRO_FORMAT_A1 object.
- *
- * Return value: a pointer to the newly created surface. The caller
- * owns the surface and should call cairo_surface_destroy() when done
- * with it.
- *
- * This function always returns a valid pointer, but it will return a
- * pointer to a "nil" surface if an error such as out of memory
- * occurs. You can use cairo_surface_status() to check for this.
- *
- * Since: 1.12
- **/
-cairo_surface_t *
-cairo_xcb_surface_create_for_bitmap (xcb_connection_t *connection,
- xcb_screen_t *screen,
- xcb_pixmap_t bitmap,
- int width,
- int height)
-{
- cairo_xcb_screen_t *cairo_xcb_screen;
-
- if (xcb_connection_has_error (connection))
- return _cairo_surface_create_in_error (_cairo_error (CAIRO_STATUS_WRITE_ERROR));
-
- if (width > XLIB_COORD_MAX || height > XLIB_COORD_MAX)
- return _cairo_surface_create_in_error (_cairo_error (CAIRO_STATUS_INVALID_SIZE));
- if (unlikely (width <= 0 || height <= 0))
- return _cairo_surface_create_in_error (_cairo_error (CAIRO_STATUS_INVALID_SIZE));
-
- cairo_xcb_screen = _cairo_xcb_screen_get (connection, screen);
- if (unlikely (cairo_xcb_screen == NULL))
- return _cairo_surface_create_in_error (_cairo_error (CAIRO_STATUS_NO_MEMORY));
-
- return _cairo_xcb_surface_create_internal (cairo_xcb_screen, bitmap, FALSE,
- PIXMAN_a1,
- cairo_xcb_screen->connection->standard_formats[CAIRO_FORMAT_A1],
- width, height);
-}
-#if CAIRO_HAS_XLIB_XCB_FUNCTIONS
-slim_hidden_def (cairo_xcb_surface_create_for_bitmap);
-#endif
-
-/**
- * cairo_xcb_surface_create_with_xrender_format:
- * @connection: an XCB connection
- * @drawable: an XCB drawable
- * @screen: the XCB screen associated with @drawable
- * @format: the picture format to use for drawing to @drawable. The
- * depth of @format mush match the depth of the drawable.
- * @width: the current width of @drawable
- * @height: the current height of @drawable
- *
- * Creates an XCB surface that draws to the given drawable.
- * The way that colors are represented in the drawable is specified
- * by the provided picture format.
- *
- * Note: If @drawable is a Window, then the function
- * cairo_xcb_surface_set_size() must be called whenever the size of the
- * window changes.
- *
- * When @drawable is a Window containing child windows then drawing to
- * the created surface will be clipped by those child windows. When
- * the created surface is used as a source, the contents of the
- * children will be included.
- *
- * Return value: a pointer to the newly created surface. The caller
- * owns the surface and should call cairo_surface_destroy() when done
- * with it.
- *
- * This function always returns a valid pointer, but it will return a
- * pointer to a "nil" surface if an error such as out of memory
- * occurs. You can use cairo_surface_status() to check for this.
- *
- * Since: 1.12
- **/
-cairo_surface_t *
-cairo_xcb_surface_create_with_xrender_format (xcb_connection_t *connection,
- xcb_screen_t *screen,
- xcb_drawable_t drawable,
- xcb_render_pictforminfo_t *format,
- int width,
- int height)
-{
- cairo_xcb_screen_t *cairo_xcb_screen;
- cairo_format_masks_t image_masks;
- pixman_format_code_t pixman_format;
-
- if (xcb_connection_has_error (connection))
- return _cairo_surface_create_in_error (_cairo_error (CAIRO_STATUS_WRITE_ERROR));
-
- if (width > XLIB_COORD_MAX || height > XLIB_COORD_MAX)
- return _cairo_surface_create_in_error (_cairo_error (CAIRO_STATUS_INVALID_SIZE));
- if (unlikely (width <= 0 || height <= 0))
- return _cairo_surface_create_in_error (_cairo_error (CAIRO_STATUS_INVALID_SIZE));
-
- image_masks.alpha_mask =
- (unsigned long) format->direct.alpha_mask << format->direct.alpha_shift;
- image_masks.red_mask =
- (unsigned long) format->direct.red_mask << format->direct.red_shift;
- image_masks.green_mask =
- (unsigned long) format->direct.green_mask << format->direct.green_shift;
- image_masks.blue_mask =
- (unsigned long) format->direct.blue_mask << format->direct.blue_shift;
-#if 0
- image_masks.bpp = format->depth;
-#else
- if (format->depth > 16)
- image_masks.bpp = 32;
- else if (format->depth > 8)
- image_masks.bpp = 16;
- else if (format->depth > 1)
- image_masks.bpp = 8;
- else
- image_masks.bpp = 1;
-#endif
-
- if (! _pixman_format_from_masks (&image_masks, &pixman_format))
- return _cairo_surface_create_in_error (_cairo_error (CAIRO_STATUS_INVALID_FORMAT));
-
- cairo_xcb_screen = _cairo_xcb_screen_get (connection, screen);
- if (unlikely (cairo_xcb_screen == NULL))
- return _cairo_surface_create_in_error (_cairo_error (CAIRO_STATUS_NO_MEMORY));
-
- return _cairo_xcb_surface_create_internal (cairo_xcb_screen,
- drawable,
- FALSE,
- pixman_format,
- format->id,
- width, height);
-}
-#if CAIRO_HAS_XLIB_XCB_FUNCTIONS
-slim_hidden_def (cairo_xcb_surface_create_with_xrender_format);
-#endif
-
-/* This does the necessary fixup when a surface's drawable or size changed. */
-static void
-_drawable_changed (cairo_xcb_surface_t *surface)
-{
- _cairo_surface_set_error (&surface->base,
- _cairo_surface_begin_modification (&surface->base));
- _cairo_boxes_clear (&surface->fallback_damage);
- cairo_surface_destroy (&surface->fallback->base);
-
- surface->deferred_clear = FALSE;
- surface->fallback = NULL;
-}
-
-/**
- * cairo_xcb_surface_set_size:
- * @surface: a #cairo_surface_t for the XCB backend
- * @width: the new width of the surface
- * @height: the new height of the surface
- *
- * Informs cairo of the new size of the XCB drawable underlying the
- * surface. For a surface created for a window (rather than a pixmap),
- * this function must be called each time the size of the window
- * changes. (For a subwindow, you are normally resizing the window
- * yourself, but for a toplevel window, it is necessary to listen for
- * ConfigureNotify events.)
- *
- * A pixmap can never change size, so it is never necessary to call
- * this function on a surface created for a pixmap.
- *
- * If cairo_surface_flush() wasn't called, some pending operations
- * might be discarded.
- *
- * Since: 1.12
- **/
-void
-cairo_xcb_surface_set_size (cairo_surface_t *abstract_surface,
- int width,
- int height)
-{
- cairo_xcb_surface_t *surface;
-
- 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 ( !_cairo_surface_is_xcb(abstract_surface)) {
- _cairo_surface_set_error (abstract_surface,
- _cairo_error (CAIRO_STATUS_SURFACE_TYPE_MISMATCH));
- return;
- }
-
- if (width > XLIB_COORD_MAX || height > XLIB_COORD_MAX || width <= 0 || height <= 0) {
- _cairo_surface_set_error (abstract_surface,
- _cairo_error (CAIRO_STATUS_INVALID_SIZE));
- return;
- }
-
- surface = (cairo_xcb_surface_t *) abstract_surface;
-
- _drawable_changed(surface);
- surface->width = width;
- surface->height = height;
-}
-#if CAIRO_HAS_XLIB_XCB_FUNCTIONS
-slim_hidden_def (cairo_xcb_surface_set_size);
-#endif
-
-/**
- * cairo_xcb_surface_set_drawable:
- * @surface: a #cairo_surface_t for the XCB backend
- * @drawable: the new drawable of the surface
- * @width: the new width of the surface
- * @height: the new height of the surface
- *
- * Informs cairo of the new drawable and size of the XCB drawable underlying the
- * surface.
- *
- * If cairo_surface_flush() wasn't called, some pending operations
- * might be discarded.
- *
- * Since: 1.12
- **/
-void
-cairo_xcb_surface_set_drawable (cairo_surface_t *abstract_surface,
- xcb_drawable_t drawable,
- int width,
- int height)
-{
- cairo_xcb_surface_t *surface;
-
- 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 ( !_cairo_surface_is_xcb(abstract_surface)) {
- _cairo_surface_set_error (abstract_surface,
- _cairo_error (CAIRO_STATUS_SURFACE_TYPE_MISMATCH));
- return;
- }
-
- if (width > XLIB_COORD_MAX || height > XLIB_COORD_MAX || width <= 0 || height <= 0) {
- _cairo_surface_set_error (abstract_surface,
- _cairo_error (CAIRO_STATUS_INVALID_SIZE));
- return;
- }
-
- surface = (cairo_xcb_surface_t *) abstract_surface;
-
- /* XXX: and what about this case? */
- if (surface->owns_pixmap)
- return;
-
- _drawable_changed (surface);
-
- if (surface->drawable != drawable) {
- cairo_status_t status;
- status = _cairo_xcb_connection_acquire (surface->connection);
- if (unlikely (status))
- return;
-
- if (surface->picture != XCB_NONE) {
- _cairo_xcb_connection_render_free_picture (surface->connection,
- surface->picture);
- surface->picture = XCB_NONE;
- }
-
- _cairo_xcb_connection_release (surface->connection);
-
- surface->drawable = drawable;
- }
- surface->width = width;
- surface->height = height;
-}
-#if CAIRO_HAS_XLIB_XCB_FUNCTIONS
-slim_hidden_def (cairo_xcb_surface_set_drawable);
-#endif