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Image encoding support - first cut

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git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/gui/trunk@5633 72102866-910b-0410-8b05-ffd578937521
This commit is contained in:
richard 1999-12-28 16:02:01 +00:00
parent fc1dab4d2c
commit 7518839b85
9 changed files with 556 additions and 234 deletions
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52
Source/NSImageRep.m
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@ -30,6 +30,7 @@
#include <string.h>
#include <Foundation/NSArray.h>
#include <Foundation/NSData.h>
#include <Foundation/NSException.h>
#include <Foundation/NSNotification.h>
#include <AppKit/NSImageRep.h>
#include <AppKit/NSBitmapImageRep.h>
@ -85,20 +86,15 @@ static NSMutableArray* imageReps = NULL;
for (i = 0; i < count; i++)
{
Class rep = [imageReps objectAtIndex: i];
#if 0
if ([[rep imageFileTypes] indexOfObject: ext] != NSNotFound)
#else
/* xxxFIXME: not implemented in gcc-2.7.2 runtime. */
if ([rep respondsToSelector: @selector(imageFileTypes)]
&& [[rep imageFileTypes] indexOfObject: ext] != NSNotFound)
#endif
{
NSData* data = [NSData dataWithContentsOfFile: filename];
if ([rep respondsToSelector: @selector(imageRepsWithData:)])
[array addObjectsFromArray: [rep imageRepsWithData: data]];
else if ([rep respondsToSelector: @selector(imageRepWithData:)])
[array addObject: [rep imageRepWithData: data]];
}
{
NSData* data = [NSData dataWithContentsOfFile: filename];
if ([rep respondsToSelector: @selector(imageRepsWithData:)])
[array addObjectsFromArray: [rep imageRepsWithData: data]];
else if ([rep respondsToSelector: @selector(imageRepWithData:)])
[array addObject: [rep imageRepWithData: data]];
}
}
return (NSArray *)array;
}
@ -125,11 +121,12 @@ static NSMutableArray* imageReps = NULL;
{
NSString* ptype;
Class rep = [imageReps objectAtIndex: i];
if ([rep respondsToSelector: @selector(imagePasteboardTypes)]
&& (ptype =
[pasteboard availableTypeFromArray: [rep imagePasteboardTypes]]))
ptype = [pasteboard availableTypeFromArray: [rep imagePasteboardTypes]];
if (ptype != nil)
{
NSData* data = [pasteboard dataForType: ptype];
if ([rep respondsToSelector: @selector(imageRepsWithData:)])
[array addObjectsFromArray: [rep imageRepsWithData: data]];
else if ([rep respondsToSelector: @selector(imageRepWithData:)])
@ -350,8 +347,7 @@ static NSMutableArray* imageReps = NULL;
for (i = 0; i < count; i++)
{
Class rep = [imageReps objectAtIndex: i];
if ([rep respondsToSelector: @selector(imageFileTypes)]
&& [[rep imageFileTypes] indexOfObject: type] != NSNotFound)
if ([[rep imageFileTypes] indexOfObject: type] != NSNotFound)
{
return rep;
}
@ -367,8 +363,8 @@ static NSMutableArray* imageReps = NULL;
for (i = 0; i < count; i++)
{
Class rep = [imageReps objectAtIndex: i];
if ([rep respondsToSelector: @selector(imagePasteboardTypes)]
&& ([[rep imagePasteboardTypes] indexOfObject: type] != NSNotFound))
if ([[rep imagePasteboardTypes] indexOfObject: type] != NSNotFound)
{
return rep;
}
@ -378,7 +374,21 @@ static NSMutableArray* imageReps = NULL;
+ (void) registerImageRepClass: (Class)imageRepClass
{
[imageReps addObject: imageRepClass];
if ([imageReps containsObject: imageRepClass] == NO)
{
Class c = imageRepClass;
while (c != nil && c != [NSObject class] && c != [NSImageRep class])
{
c = [c superclass];
}
if (c != [NSImageRep class])
{
[NSException raise: NSInvalidArgumentException
format: @"Attempt to register non-imagerep class"];
}
[imageReps addObject: imageRepClass];
}
[[NSNotificationCenter defaultCenter]
postNotificationName: NSImageRepRegistryChangedNotification
object: self];