aboutsummaryrefslogtreecommitdiff
path: root/freetype/src/cache/ftcmru.c
diff options
context:
space:
mode:
authormarha <marha@users.sourceforge.net>2009-06-28 22:07:26 +0000
committermarha <marha@users.sourceforge.net>2009-06-28 22:07:26 +0000
commit3562e78743202e43aec8727005182a2558117eca (patch)
tree8f9113a77d12470c5c851a2a8e4cb02e89df7d43 /freetype/src/cache/ftcmru.c
downloadvcxsrv-3562e78743202e43aec8727005182a2558117eca.tar.gz
vcxsrv-3562e78743202e43aec8727005182a2558117eca.tar.bz2
vcxsrv-3562e78743202e43aec8727005182a2558117eca.zip
Checked in the following released items:
xkeyboard-config-1.4.tar.gz ttf-bitstream-vera-1.10.tar.gz font-alias-1.0.1.tar.gz font-sun-misc-1.0.0.tar.gz font-sun-misc-1.0.0.tar.gz font-sony-misc-1.0.0.tar.gz font-schumacher-misc-1.0.0.tar.gz font-mutt-misc-1.0.0.tar.gz font-misc-misc-1.0.0.tar.gz font-misc-meltho-1.0.0.tar.gz font-micro-misc-1.0.0.tar.gz font-jis-misc-1.0.0.tar.gz font-isas-misc-1.0.0.tar.gz font-dec-misc-1.0.0.tar.gz font-daewoo-misc-1.0.0.tar.gz font-cursor-misc-1.0.0.tar.gz font-arabic-misc-1.0.0.tar.gz font-winitzki-cyrillic-1.0.0.tar.gz font-misc-cyrillic-1.0.0.tar.gz font-cronyx-cyrillic-1.0.0.tar.gz font-screen-cyrillic-1.0.1.tar.gz font-xfree86-type1-1.0.1.tar.gz font-adobe-utopia-type1-1.0.1.tar.gz font-ibm-type1-1.0.0.tar.gz font-bitstream-type1-1.0.0.tar.gz font-bitstream-speedo-1.0.0.tar.gz font-bh-ttf-1.0.0.tar.gz font-bh-type1-1.0.0.tar.gz font-bitstream-100dpi-1.0.0.tar.gz font-bh-lucidatypewriter-100dpi-1.0.0.tar.gz font-bh-100dpi-1.0.0.tar.gz font-adobe-utopia-100dpi-1.0.1.tar.gz font-adobe-100dpi-1.0.0.tar.gz font-util-1.0.1.tar.gz font-bitstream-75dpi-1.0.0.tar.gz font-bh-lucidatypewriter-75dpi-1.0.0.tar.gz font-adobe-utopia-75dpi-1.0.1.tar.gz font-bh-75dpi-1.0.0.tar.gz bdftopcf-1.0.1.tar.gz font-adobe-75dpi-1.0.0.tar.gz mkfontscale-1.0.6.tar.gz openssl-0.9.8k.tar.gz bigreqsproto-1.0.2.tar.gz xtrans-1.2.2.tar.gz resourceproto-1.0.2.tar.gz inputproto-1.4.4.tar.gz compositeproto-0.4.tar.gz damageproto-1.1.0.tar.gz zlib-1.2.3.tar.gz xkbcomp-1.0.5.tar.gz freetype-2.3.9.tar.gz pthreads-w32-2-8-0-release.tar.gz pixman-0.12.0.tar.gz kbproto-1.0.3.tar.gz evieext-1.0.2.tar.gz fixesproto-4.0.tar.gz recordproto-1.13.2.tar.gz randrproto-1.2.2.tar.gz scrnsaverproto-1.1.0.tar.gz renderproto-0.9.3.tar.gz xcmiscproto-1.1.2.tar.gz fontsproto-2.0.2.tar.gz xextproto-7.0.3.tar.gz xproto-7.0.14.tar.gz libXdmcp-1.0.2.tar.gz libxkbfile-1.0.5.tar.gz libfontenc-1.0.4.tar.gz libXfont-1.3.4.tar.gz libX11-1.1.5.tar.gz libXau-1.0.4.tar.gz libxcb-1.1.tar.gz xorg-server-1.5.3.tar.gz
Diffstat (limited to 'freetype/src/cache/ftcmru.c')
-rw-r--r--freetype/src/cache/ftcmru.c357
1 files changed, 357 insertions, 0 deletions
diff --git a/freetype/src/cache/ftcmru.c b/freetype/src/cache/ftcmru.c
new file mode 100644
index 000000000..3a6c625af
--- /dev/null
+++ b/freetype/src/cache/ftcmru.c
@@ -0,0 +1,357 @@
+/***************************************************************************/
+/* */
+/* ftcmru.c */
+/* */
+/* FreeType MRU support (body). */
+/* */
+/* Copyright 2003, 2004, 2006 by */
+/* David Turner, Robert Wilhelm, and Werner Lemberg. */
+/* */
+/* This file is part of the FreeType project, and may only be used, */
+/* modified, and distributed under the terms of the FreeType project */
+/* license, LICENSE.TXT. By continuing to use, modify, or distribute */
+/* this file you indicate that you have read the license and */
+/* understand and accept it fully. */
+/* */
+/***************************************************************************/
+
+
+#include <ft2build.h>
+#include FT_CACHE_H
+#include "ftcmru.h"
+#include FT_INTERNAL_OBJECTS_H
+#include FT_INTERNAL_DEBUG_H
+
+#include "ftcerror.h"
+
+
+ FT_LOCAL_DEF( void )
+ FTC_MruNode_Prepend( FTC_MruNode *plist,
+ FTC_MruNode node )
+ {
+ FTC_MruNode first = *plist;
+
+
+ if ( first )
+ {
+ FTC_MruNode last = first->prev;
+
+
+#ifdef FT_DEBUG_ERROR
+ {
+ FTC_MruNode cnode = first;
+
+
+ do
+ {
+ if ( cnode == node )
+ {
+ fprintf( stderr, "FTC_MruNode_Prepend: invalid action!\n" );
+ exit( 2 );
+ }
+ cnode = cnode->next;
+
+ } while ( cnode != first );
+ }
+#endif
+
+ first->prev = node;
+ last->next = node;
+ node->next = first;
+ node->prev = last;
+ }
+ else
+ {
+ node->next = node;
+ node->prev = node;
+ }
+ *plist = node;
+ }
+
+
+ FT_LOCAL_DEF( void )
+ FTC_MruNode_Up( FTC_MruNode *plist,
+ FTC_MruNode node )
+ {
+ FTC_MruNode first = *plist;
+
+
+ FT_ASSERT( first != NULL );
+
+ if ( first != node )
+ {
+ FTC_MruNode prev, next, last;
+
+
+#ifdef FT_DEBUG_ERROR
+ {
+ FTC_MruNode cnode = first;
+ do
+ {
+ if ( cnode == node )
+ goto Ok;
+ cnode = cnode->next;
+
+ } while ( cnode != first );
+
+ fprintf( stderr, "FTC_MruNode_Up: invalid action!\n" );
+ exit( 2 );
+ Ok:
+ }
+#endif
+ prev = node->prev;
+ next = node->next;
+
+ prev->next = next;
+ next->prev = prev;
+
+ last = first->prev;
+
+ last->next = node;
+ first->prev = node;
+
+ node->next = first;
+ node->prev = last;
+
+ *plist = node;
+ }
+ }
+
+
+ FT_LOCAL_DEF( void )
+ FTC_MruNode_Remove( FTC_MruNode *plist,
+ FTC_MruNode node )
+ {
+ FTC_MruNode first = *plist;
+ FTC_MruNode prev, next;
+
+
+ FT_ASSERT( first != NULL );
+
+#ifdef FT_DEBUG_ERROR
+ {
+ FTC_MruNode cnode = first;
+
+
+ do
+ {
+ if ( cnode == node )
+ goto Ok;
+ cnode = cnode->next;
+
+ } while ( cnode != first );
+
+ fprintf( stderr, "FTC_MruNode_Remove: invalid action!\n" );
+ exit( 2 );
+ Ok:
+ }
+#endif
+
+ prev = node->prev;
+ next = node->next;
+
+ prev->next = next;
+ next->prev = prev;
+
+ if ( node == next )
+ {
+ FT_ASSERT( first == node );
+ FT_ASSERT( prev == node );
+
+ *plist = NULL;
+ }
+ else if ( node == first )
+ *plist = next;
+ }
+
+
+ FT_LOCAL_DEF( void )
+ FTC_MruList_Init( FTC_MruList list,
+ FTC_MruListClass clazz,
+ FT_UInt max_nodes,
+ FT_Pointer data,
+ FT_Memory memory )
+ {
+ list->num_nodes = 0;
+ list->max_nodes = max_nodes;
+ list->nodes = NULL;
+ list->clazz = *clazz;
+ list->data = data;
+ list->memory = memory;
+ }
+
+
+ FT_LOCAL_DEF( void )
+ FTC_MruList_Reset( FTC_MruList list )
+ {
+ while ( list->nodes )
+ FTC_MruList_Remove( list, list->nodes );
+
+ FT_ASSERT( list->num_nodes == 0 );
+ }
+
+
+ FT_LOCAL_DEF( void )
+ FTC_MruList_Done( FTC_MruList list )
+ {
+ FTC_MruList_Reset( list );
+ }
+
+
+#ifndef FTC_INLINE
+ FT_LOCAL_DEF( FTC_MruNode )
+ FTC_MruList_Find( FTC_MruList list,
+ FT_Pointer key )
+ {
+ FTC_MruNode_CompareFunc compare = list->clazz.node_compare;
+ FTC_MruNode first, node;
+
+
+ first = list->nodes;
+ node = NULL;
+
+ if ( first )
+ {
+ node = first;
+ do
+ {
+ if ( compare( node, key ) )
+ {
+ if ( node != first )
+ FTC_MruNode_Up( &list->nodes, node );
+
+ return node;
+ }
+
+ node = node->next;
+
+ } while ( node != first);
+ }
+
+ return NULL;
+ }
+#endif
+
+ FT_LOCAL_DEF( FT_Error )
+ FTC_MruList_New( FTC_MruList list,
+ FT_Pointer key,
+ FTC_MruNode *anode )
+ {
+ FT_Error error;
+ FTC_MruNode node;
+ FT_Memory memory = list->memory;
+
+
+ if ( list->num_nodes >= list->max_nodes && list->max_nodes > 0 )
+ {
+ node = list->nodes->prev;
+
+ FT_ASSERT( node );
+
+ if ( list->clazz.node_reset )
+ {
+ FTC_MruNode_Up( &list->nodes, node );
+
+ error = list->clazz.node_reset( node, key, list->data );
+ if ( !error )
+ goto Exit;
+ }
+
+ FTC_MruNode_Remove( &list->nodes, node );
+ list->num_nodes--;
+
+ if ( list->clazz.node_done )
+ list->clazz.node_done( node, list->data );
+ }
+ else if ( FT_ALLOC( node, list->clazz.node_size ) )
+ goto Exit;
+
+ error = list->clazz.node_init( node, key, list->data );
+ if ( error )
+ goto Fail;
+
+ FTC_MruNode_Prepend( &list->nodes, node );
+ list->num_nodes++;
+
+ Exit:
+ *anode = node;
+ return error;
+
+ Fail:
+ if ( list->clazz.node_done )
+ list->clazz.node_done( node, list->data );
+
+ FT_FREE( node );
+ goto Exit;
+ }
+
+
+#ifndef FTC_INLINE
+ FT_LOCAL_DEF( FT_Error )
+ FTC_MruList_Lookup( FTC_MruList list,
+ FT_Pointer key,
+ FTC_MruNode *anode )
+ {
+ FTC_MruNode node;
+
+
+ node = FTC_MruList_Find( list, key );
+ if ( node == NULL )
+ return FTC_MruList_New( list, key, anode );
+
+ *anode = node;
+ return 0;
+ }
+#endif /* FTC_INLINE */
+
+ FT_LOCAL_DEF( void )
+ FTC_MruList_Remove( FTC_MruList list,
+ FTC_MruNode node )
+ {
+ FTC_MruNode_Remove( &list->nodes, node );
+ list->num_nodes--;
+
+ {
+ FT_Memory memory = list->memory;
+
+
+ if ( list->clazz.node_done )
+ list->clazz.node_done( node, list->data );
+
+ FT_FREE( node );
+ }
+ }
+
+
+ FT_LOCAL_DEF( void )
+ FTC_MruList_RemoveSelection( FTC_MruList list,
+ FTC_MruNode_CompareFunc selection,
+ FT_Pointer key )
+ {
+ FTC_MruNode first, node, next;
+
+
+ first = list->nodes;
+ while ( first && ( selection == NULL || selection( first, key ) ) )
+ {
+ FTC_MruList_Remove( list, first );
+ first = list->nodes;
+ }
+
+ if ( first )
+ {
+ node = first->next;
+ while ( node != first )
+ {
+ next = node->next;
+
+ if ( selection( node, key ) )
+ FTC_MruList_Remove( list, node );
+
+ node = next;
+ }
+ }
+ }
+
+
+/* END */