gnustep/libs-gui
0
0
Fork 0
mirror of https://github.com/gnustep/libs-gui.git synced 2025-05-30 14:50:38 +00:00
Code Issues Projects Releases Packages Wiki Activity

Image caching stuff

Browse source 
git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/gui/trunk@5346 72102866-910b-0410-8b05-ffd578937521
This commit is contained in:
richard 1999-12-01 15:00:02 +00:00
parent 804630d3ae
commit 218c203684
2 changed files with 52 additions and 17 deletions
Download patch file Download diff file Expand all files Collapse all files

53
Source/NSImage.m
View file

@ -51,7 +51,8 @@
#include <AppKit/NSScreen.h>
#include <AppKit/NSColor.h>
BOOL doesCaching = NO;
BOOL NSImageDoesCaching = NO; /* enable caching */
BOOL NSImageForceCaching = NO; /* use on missmatch */
// Resource directories
static NSString* gnustep_libdir = @GNUSTEP_INSTALL_LIBDIR;
@ -491,8 +492,7 @@ static Class cacheClass = 0;
{
GSRepData *repd = (GSRepData*)[_reps objectAtIndex: i];
if (repd->bg != nil
|| [repd->rep isKindOfClass: cacheClass] == NO)
if (repd->bg != nil || [repd->rep isKindOfClass: cacheClass] == NO)
{
valid = YES;
break;
@ -580,7 +580,7 @@ static Class cacheClass = 0;
repd = repd_for_rep(_reps, [self bestRepresentationForDevice: deviceDesc]);
rep = repd->rep;
if (doesCaching == YES)
if (NSImageDoesCaching == YES)
{
/*
* If this is not a cached image rep - create a cache to be used to
@ -800,7 +800,7 @@ static Class cacheClass = 0;
[NSException raise: NSInvalidArgumentException
format: @"Cannot lock focus on nil rep"];
if (doesCaching == YES)
if (NSImageDoesCaching == YES)
{
NSWindow *window;
@ -867,7 +867,7 @@ static Class cacheClass = 0;
- (NSImageRep*) cacheForRep: (NSImageRep*)rep
onDevice: (NSDictionary*)deviceDescription
{
if (doesCaching == YES)
if (NSImageDoesCaching == YES)
{
NSImageRep *cacheRep = nil;
unsigned count = [_reps count];
@ -875,6 +875,7 @@ static Class cacheClass = 0;
if (count > 0)
{
GSRepData *invalidCache = nil;
GSRepData *partialCache = nil;
GSRepData *validCache = nil;
GSRepData *reps[count];
unsigned i;
@ -902,24 +903,46 @@ static Class cacheClass = 0;
validCache = repd;
break;
}
else
{
partialCache = repd;
}
}
}
if (validCache != nil)
{
/*
* If the image rep has transparencey and we are drawing
* without a background (background is clear) then the
* cache can't really be valid 'cos we might be drawing
* transparency on top of anything. So we invalidate
* the cache by removing the background color information.
*/
if ([rep hasAlpha] && [validCache->bg isEqual: clearColor])
if (NSImageForceCaching == NO)
{
DESTROY(validCache->bg);
/*
* If the image rep has transparencey and we are drawing
* without a background (background is clear) then the
* cache can't really be valid 'cos we might be drawing
* transparency on top of anything. So we invalidate
* the cache by removing the background color information.
*/
if ([rep hasAlpha] && [validCache->bg isEqual: clearColor])
{
DESTROY(validCache->bg);
}
}
cacheRep = validCache->rep;
}
else if (partialCache != nil)
{
if (NSImageForceCaching == NO)
{
if (invalidCache != nil)
{
partialCache = invalidCache;
}
else
{
DESTROY(validCache->bg);
}
}
cacheRep = partialCache->rep;
}
else if (invalidCache != nil)
{
cacheRep = invalidCache->rep;