Revision: 15237
http://sourceforge.net/p/skim-app/code/15237
Author: hofman
Date: 2025-05-19 14:38:57 +0000 (Mon, 19 May 2025)
Log Message:
-----------
Always remove predrawn image when page needs display, redisplay when
invalidating next page
Modified Paths:
--------------
trunk/SKPresentationView.m
Modified: trunk/SKPresentationView.m
===================================================================
--- trunk/SKPresentationView.m 2025-05-19 13:57:32 UTC (rev 15236)
+++ trunk/SKPresentationView.m 2025-05-19 14:38:57 UTC (rev 15237)
@@ -464,10 +464,13 @@
}
- (void)setNeedsDisplayForPage:(PDFPage *)aPage {
+ [self removePredrawnImageAtIndex:[aPage pageIndex]];
if (page == aPage) {
- [self removePredrawnImageAtIndex:[aPage pageIndex]];
[[self class] cancelPreviousPerformRequestsWithTarget:self
selector:@selector(displayCurrentPage:) object:nil];
[self performSelector:@selector(displayCurrentPage:) withObject:nil
afterDelay:0.0];
+ } else if (page && [page pageIndex] + 1 == [aPage pageIndex]) {
+ [[self class] cancelPreviousPerformRequestsWithTarget:self
selector:@selector(predisplayNextPage) object:nil];
+ [self performSelector:@selector(predisplayNextPage) withObject:nil
afterDelay:0.0];
}
}
@@ -498,9 +501,7 @@
}
}
-- (void)displayCurrentPage:(void (^)(void))completionHandler {
- [super displayCurrentPage:completionHandler];
-
+- (void)predisplayNextPage {
if (page == nil)
return;
@@ -545,6 +546,11 @@
}
+- (void)displayCurrentPage:(void (^)(void))completionHandler {
+ [super displayCurrentPage:completionHandler];
+ [self predisplayNextPage];
+}
+
#pragma mark Accessors
- (BOOL)canBecomeKeyView {
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