Revision: 15219
http://sourceforge.net/p/skim-app/code/15219
Author: hofman
Date: 2025-05-16 21:17:27 +0000 (Fri, 16 May 2025)
Log Message:
-----------
ignore predrawn image when the user has moved past it
Modified Paths:
--------------
trunk/SKPresentationView.m
Modified: trunk/SKPresentationView.m
===================================================================
--- trunk/SKPresentationView.m 2025-05-16 16:34:35 UTC (rev 15218)
+++ trunk/SKPresentationView.m 2025-05-16 21:17:27 UTC (rev 15219)
@@ -295,10 +295,10 @@
- (void)removePredrawnImageAtIndex:(NSUInteger)pageIndex {}
-- (NSImage *)imageWithImageRep:(NSBitmapImageRep *)imageRep page:(PDFPage
*)aPage autoScales:(BOOL)autoScales {
+static NSImage *imageByDrawingPageToBitmapImageRep(NSBitmapImageRep *imageRep,
PDFPage *aPage, BOOL autoScales) {
NSSize size = [imageRep size];
NSRect pageRect = [aPage boundsForBox:kPDFDisplayBoxCropBox];
- if (([page rotation] % 180) != 0)
+ if (([aPage rotation] % 180) != 0)
pageRect = NSMakeRect(0.0, 0.0, NSHeight(pageRect), NSWidth(pageRect));
CGFloat scale = 1.0;
if (autoScales) {
@@ -365,7 +365,7 @@
dispatch_async(drawingQueue, ^{
- NSImage *image = [self imageWithImageRep:imageRep page:thePage
autoScales:autoScales];
+ NSImage *image = imageByDrawingPageToBitmapImageRep(imageRep, thePage,
autoScales);
dispatch_async(dispatch_get_main_queue(), ^{
@@ -505,14 +505,15 @@
dispatch_async(predrawingQueue, ^{
- NSImage *image = [self imageWithImageRep:imageRep page:thePage
autoScales:autoScales];
+ NSImage *image = imageByDrawingPageToBitmapImageRep(imageRep, thePage,
autoScales);
dispatch_async(dispatch_get_main_queue(), ^{
if (image && predrawnImages && (__bridge
id)NSMapGet(predrawnImages, (void *)pageIndex) == [NSNull null]) {
- if (page == thePage)
+ NSUInteger currentIndex = [page pageIndex];
+ if (pageIndex == currentIndex)
[pageLayer setContents:image];
- else
+ else if (pageIndex > currentIndex)
NSMapInsert(predrawnImages, (void *)pageIndex, (__bridge
void *)image);
}
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