diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/Makefile.am | 1 | ||||
| -rw-r--r-- | src/cairo-debug.c | 73 | ||||
| -rw-r--r-- | src/cairo-debug.h | 48 | ||||
| -rw-r--r-- | src/cairo-features.h.in | 8 | ||||
| -rw-r--r-- | src/cairo-font.c | 39 | ||||
| -rw-r--r-- | src/cairo-ft-font.c | 13 | ||||
| -rw-r--r-- | src/cairo-xlib-screen.c | 53 | ||||
| -rw-r--r-- | src/cairo-xlib-surface.c | 26 | ||||
| -rw-r--r-- | src/cairo.h | 8 | ||||
| -rw-r--r-- | src/cairoint.h | 13 |
10 files changed, 255 insertions, 27 deletions
diff --git a/src/Makefile.am b/src/Makefile.am index 16cbb1c5..4456bdc9 100644 --- a/src/Makefile.am +++ b/src/Makefile.am @@ -86,6 +86,7 @@ libcairo_la_SOURCES = \ cairo-array.c \ cairo-cache.c \ cairo-color.c \ + cairo-debug.c \ cairo-fixed.c \ cairo-font.c \ cairo-font-options.c \ diff --git a/src/cairo-debug.c b/src/cairo-debug.c new file mode 100644 index 00000000..31eefc5a --- /dev/null +++ b/src/cairo-debug.c @@ -0,0 +1,73 @@ +/* cairo - a vector graphics library with display and print output + * + * Copyright © 2005 Red Hat, Inc. + * + * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 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 D. Worth <cworth@cworth.org> + */ + +#include "cairoint.h" + +/** + * cairo_debug_reset_static_data: + * + * Resets all static data within cairo to its original state, + * (ie. identical to the state at the time of program invocation). For + * example, all caches within cairo will be flushed empty. + * + * This function is intended to be useful when using memory-checking + * tools such as valgrind. When valgrind's memcheck analyzes a + * cairo-using program without a call to cairo_debug_reset_static_data, + * it will report all data reachable via cairo's static objects as + * "still reachable". Calling cairo_debug_reset_static_data just prior + * to program termination will make it easier to get squeaky clean + * reports from valgrind. + * + * WARNING: It is only safe to call this function when there are no + * active cairo objects remaining, (ie. the appropriate destroy + * functions have been called as necessary). If there are active cairo + * objects, this call is likely to cause a crash, (eg. an assertion + * failure due to a hash table being destroyed when non-empty). + **/ +void +cairo_debug_reset_static_data (void) +{ +#if CAIRO_HAS_XLIB_SURFACE + _cairo_xlib_surface_reset_static_data (); + _cairo_xlib_screen_reset_static_data (); +#endif + + _cairo_font_reset_static_data (); + +#if CAIRO_HAS_FT_FONT + _cairo_ft_font_reset_static_data (); +#endif +} + diff --git a/src/cairo-debug.h b/src/cairo-debug.h new file mode 100644 index 00000000..1dab2c74 --- /dev/null +++ b/src/cairo-debug.h @@ -0,0 +1,48 @@ +/* cairo - a vector graphics library with display and print output + * + * Copyright © 2005 Red Hat, Inc. + * + * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 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 D. Worth <cworth@cworth.org> + */ + +#ifndef CAIRO_DEBUG_H +#define CAIRO_DEBUG_H + +#include <cairo-features.h> + +CAIRO_BEGIN_DECLS + +void +cairo_debug_reset_static_data (void); + +CAIRO_END_DECLS + +#endif /* CAIRO_H */ diff --git a/src/cairo-features.h.in b/src/cairo-features.h.in index 8065be35..fdc1e37e 100644 --- a/src/cairo-features.h.in +++ b/src/cairo-features.h.in @@ -37,6 +37,14 @@ #ifndef CAIRO_FEATURES_H #define CAIRO_FEATURES_H +#ifdef __cplusplus +# define CAIRO_BEGIN_DECLS extern "C" { +# define CAIRO_END_DECLS } +#else +# define CAIRO_BEGIN_DECLS +# define CAIRO_END_DECLS +#endif + @PS_SURFACE_FEATURE@ @PDF_SURFACE_FEATURE@ diff --git a/src/cairo-font.c b/src/cairo-font.c index 022be7da..dc34ef61 100644 --- a/src/cairo-font.c +++ b/src/cairo-font.c @@ -233,11 +233,11 @@ _unlock_global_simple_cache (void) CAIRO_MUTEX_UNLOCK (_global_simple_cache_mutex); } +static cairo_cache_t *global_simple_cache = NULL; + static cairo_cache_t * _get_global_simple_cache (void) { - static cairo_cache_t *global_simple_cache = NULL; - if (global_simple_cache == NULL) { global_simple_cache = malloc (sizeof (cairo_cache_t)); @@ -564,11 +564,11 @@ _unlock_global_font_cache (void) CAIRO_MUTEX_UNLOCK (_global_font_cache_mutex); } +static cairo_cache_t *outer_font_cache = NULL; + static cairo_cache_t * _get_outer_font_cache (void) { - static cairo_cache_t *outer_font_cache = NULL; - if (outer_font_cache == NULL) { outer_font_cache = malloc (sizeof (cairo_cache_t)); @@ -589,11 +589,11 @@ _get_outer_font_cache (void) return NULL; } +static cairo_cache_t *inner_font_cache = NULL; + static cairo_cache_t * _get_inner_font_cache (void) { - static cairo_cache_t *inner_font_cache = NULL; - if (inner_font_cache == NULL) { inner_font_cache = malloc (sizeof (cairo_cache_t)); @@ -1352,8 +1352,10 @@ _cairo_lock_global_image_glyph_cache() void _cairo_unlock_global_image_glyph_cache() { - _cairo_cache_shrink_to (_global_image_glyph_cache, - CAIRO_IMAGE_GLYPH_CACHE_MEMORY_DEFAULT); + if (_global_image_glyph_cache) { + _cairo_cache_shrink_to (_global_image_glyph_cache, + CAIRO_IMAGE_GLYPH_CACHE_MEMORY_DEFAULT); + } CAIRO_MUTEX_UNLOCK (_global_image_glyph_cache_mutex); } @@ -1380,3 +1382,24 @@ _cairo_get_global_image_glyph_cache () _global_image_glyph_cache = NULL; return NULL; } + +void +_cairo_font_reset_static_data (void) +{ + _lock_global_font_cache (); + _cairo_cache_destroy (outer_font_cache); + outer_font_cache = NULL; + _cairo_cache_destroy (inner_font_cache); + inner_font_cache = NULL; + _unlock_global_font_cache (); + + _cairo_lock_global_image_glyph_cache(); + _cairo_cache_destroy (_global_image_glyph_cache); + _global_image_glyph_cache = NULL; + _cairo_unlock_global_image_glyph_cache(); + + _lock_global_simple_cache (); + _cairo_cache_destroy (global_simple_cache); + global_simple_cache = NULL; + _unlock_global_simple_cache (); +} diff --git a/src/cairo-ft-font.c b/src/cairo-ft-font.c index 4a142b9d..fd16e071 100644 --- a/src/cairo-ft-font.c +++ b/src/cairo-ft-font.c @@ -2440,3 +2440,16 @@ _cairo_ft_unscaled_font_unlock_face (cairo_unscaled_font_t *unscaled_font) { _ft_unscaled_font_unlock_face ((ft_unscaled_font_t *)unscaled_font); } + +void +_cairo_ft_font_reset_static_data (void) +{ + _lock_global_ft_cache (); + if (_global_ft_cache) { + FT_Done_FreeType (_global_ft_cache->lib); + _global_ft_cache->lib = NULL; + } + _cairo_cache_destroy (&_global_ft_cache->base); + _global_ft_cache = NULL; + _unlock_global_ft_cache (); +} diff --git a/src/cairo-xlib-screen.c b/src/cairo-xlib-screen.c index 6a4efdbd..e71d10ec 100644 --- a/src/cairo-xlib-screen.c +++ b/src/cairo-xlib-screen.c @@ -245,34 +245,59 @@ _cairo_xlib_init_screen_font_options (cairo_xlib_screen_info_t *info) CAIRO_MUTEX_DECLARE(_xlib_screen_mutex); -static cairo_xlib_screen_info_t *_cairo_xlib_screen_list; +static cairo_xlib_screen_info_t *_cairo_xlib_screen_list = NULL; static int _cairo_xlib_close_display (Display *dpy, XExtCodes *codes) { - cairo_xlib_screen_info_t *info; - cairo_xlib_screen_info_t **prev; + cairo_xlib_screen_info_t *info, *prev; /* * Unhook from the global list */ CAIRO_MUTEX_LOCK (_xlib_screen_mutex); - for (prev = &_cairo_xlib_screen_list; (info = *prev); prev = &(*prev)->next) { + prev = NULL; + for (info = _cairo_xlib_screen_list; info; info = info->next) { if (info->display == dpy) { - *prev = info->next; + if (prev) + prev->next = info->next; + else + _cairo_xlib_screen_list = info->next; free (info); - if (!*prev) - break; + break; } + prev = info; } CAIRO_MUTEX_UNLOCK (_xlib_screen_mutex); - + + /* Return value in accordance with requirements of + * XESetCloseDisplay */ return 0; } +static void +_cairo_xlib_screen_info_reset (void) +{ + cairo_xlib_screen_info_t *info, *next; + + /* + * Delete everything in the list. + */ + CAIRO_MUTEX_LOCK (_xlib_screen_mutex); + + for (info = _cairo_xlib_screen_list; info; info = next) { + next = info->next; + free (info); + } + + _cairo_xlib_screen_list = NULL; + + CAIRO_MUTEX_UNLOCK (_xlib_screen_mutex); + +} -cairo_private cairo_xlib_screen_info_t * +cairo_xlib_screen_info_t * _cairo_xlib_screen_info_get (Display *dpy, Screen *screen) { cairo_xlib_screen_info_t *info; @@ -344,3 +369,13 @@ _cairo_xlib_screen_info_get (Display *dpy, Screen *screen) return info; } +void +_cairo_xlib_screen_reset_static_data (void) +{ + _cairo_xlib_screen_info_reset (); + +#if HAVE_XRMFINALIZE + XrmFinalize (); +#endif + +} diff --git a/src/cairo-xlib-surface.c b/src/cairo-xlib-surface.c index 5f26a2f4..e4d52552 100644 --- a/src/cairo-xlib-surface.c +++ b/src/cairo-xlib-surface.c @@ -1943,8 +1943,10 @@ _lock_xlib_glyphset_caches (void) static void _unlock_xlib_glyphset_caches (glyphset_cache_t *cache) { - _cairo_cache_shrink_to (&cache->base, - CAIRO_XLIB_GLYPH_CACHE_MEMORY_DEFAULT); + if (cache) { + _cairo_cache_shrink_to (&cache->base, + CAIRO_XLIB_GLYPH_CACHE_MEMORY_DEFAULT); + } CAIRO_MUTEX_UNLOCK(_xlib_glyphset_caches_mutex); } @@ -2452,3 +2454,23 @@ _cairo_xlib_surface_show_glyphs (cairo_scaled_font_t *scaled_font, return status; } + +static void +_destroy_glyphset_cache_recurse (glyphset_cache_t *cache) +{ + if (cache == NULL) + return; + + _destroy_glyphset_cache_recurse (cache->next); + _cairo_cache_destroy (&cache->base); + free (cache); +} + +void +_cairo_xlib_surface_reset_static_data (void) +{ + _lock_xlib_glyphset_caches (); + _destroy_glyphset_cache_recurse (_xlib_glyphset_caches); + _xlib_glyphset_caches = NULL; + _unlock_xlib_glyphset_caches (NULL); +} diff --git a/src/cairo.h b/src/cairo.h index ca4157a4..f43d9c58 100644 --- a/src/cairo.h +++ b/src/cairo.h @@ -38,14 +38,6 @@ #ifndef CAIRO_H #define CAIRO_H -#ifdef __cplusplus -# define CAIRO_BEGIN_DECLS extern "C" { -# define CAIRO_END_DECLS } -#else -# define CAIRO_BEGIN_DECLS -# define CAIRO_END_DECLS -#endif - #include <cairo-features.h> CAIRO_BEGIN_DECLS diff --git a/src/cairoint.h b/src/cairoint.h index 74e70b94..794f3409 100644 --- a/src/cairoint.h +++ b/src/cairoint.h @@ -63,6 +63,7 @@ #include <stdio.h> #include "cairo.h" +#include "cairo-debug.h" #include <pixman.h> #if __GNUC__ >= 3 && defined(__ELF__) @@ -518,6 +519,18 @@ _cairo_unlock_global_image_glyph_cache (void); cairo_private cairo_cache_t * _cairo_get_global_image_glyph_cache (void); +cairo_private void +_cairo_font_reset_static_data (void); + +cairo_private void +_cairo_ft_font_reset_static_data (void); + +cairo_private void +_cairo_xlib_surface_reset_static_data (void); + +cairo_private void +_cairo_xlib_screen_reset_static_data (void); + /* Some glyph cache functions you can reuse. */ cairo_private unsigned long |