ObjGameKit  Diff

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Differences From Artifact [d4949e0576]:

To Artifact [ffce6aad92]:

  • File src/OGKBitmap.m — part of check-in [4719f25709] at 2012-08-26 12:17:52 on branch trunk — Only call al_*_destroy if Allegro is initialized.

    Otherwise, it would crash if al_uinstall_system() has already been
    called. Handling it this way eliminates the need to dealloc all objects
    before calling al_uninstall_system(), which meant that it was the users
    repsonsibility to call al_uninstall_system() after the user made sure
    all objects are deallocated. Now the user does not get to see any
    al_*() function. (user: js, size: 2427) [annotate] [blame] [check-ins using]

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@implementation OGKBitmap
+ (void)initialize
{
	if (self != [OGKBitmap class])
		return;

	if (!al_install_system(ALLEGRO_VERSION_INT, NULL) ||
	    !al_init_image_addon())
	if (!al_init() || !al_init_image_addon())
		@throw [OFInitializationFailedException
		    exceptionWithClass: self];
}

+ (void)setTarget: (id)target
{
	if ([target isKindOfClass: [OGKDisplay class]])
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	if (bitmap == NULL)
		@throw [OFInitializationFailedException
		    exceptionWithClass: [self class]];

	return self;
}

- (void)dealloc
{
	if (bitmap != NULL && al_is_system_installed())
		al_destroy_bitmap(bitmap);
}

- (void)drawAtPosition: (of_point_t)position
{
	al_draw_bitmap(bitmap, position.x, position.y, 0);
}

- (ALLEGRO_BITMAP*)OGK_allegroBitmap
{
	return bitmap;
}
@end
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