Revision: 18410
http://bibdesk.svn.sourceforge.net/bibdesk/?rev=18410&view=rev
Author: amaxwell
Date: 2012-01-17 04:23:23 +0000 (Tue, 17 Jan 2012)
Log Message:
-----------
Use visibleRect for gradient calculations.
Disable copy on scroll when drawing the gradient, as it shows an obvious
transition now that the correct rect is used.
Modified Paths:
--------------
trunk/bibdesk_vendorsrc/amaxwell/FileView/FVFileView.m
Modified: trunk/bibdesk_vendorsrc/amaxwell/FileView/FVFileView.m
===================================================================
--- trunk/bibdesk_vendorsrc/amaxwell/FileView/FVFileView.m 2012-01-16
18:29:42 UTC (rev 18409)
+++ trunk/bibdesk_vendorsrc/amaxwell/FileView/FVFileView.m 2012-01-17
04:23:23 UTC (rev 18410)
@@ -2421,6 +2421,10 @@
*/
FVAPIAssert(floor(NSAppKitVersionNumber) > NSAppKitVersionNumber10_6,
@"gradient background is only available on 10.7 and later");
+ // otherwise we see a blocky transition, which fades on the redraw
when scrolling stops
+ if ([[[self enclosingScrollView] contentView] copiesOnScroll])
+ [[[self enclosingScrollView] contentView] setCopiesOnScroll:NO];
+
// should be RGBA space, since we're drawing to the screen
CGColorSpaceRef cspace =
CGColorSpaceCreateWithName(kCGColorSpaceGenericRGB);
const CGFloat locations[] = { 0, 1 };
@@ -2439,10 +2443,10 @@
}
CGContextRef ctxt = [[NSGraphicsContext currentContext] graphicsPort];
- // only draw the dirty part, but we need to use the full view bounds
as the gradient extent
+ // only draw the dirty part, but we need to use the full visible
bounds as the gradient extent
CGContextSaveGState(ctxt);
CGContextClipToRect(ctxt, NSRectToCGRect(rect));
- const NSRect bounds = [self bounds];
+ const NSRect bounds = [self visibleRect];
CGContextDrawLinearGradient(ctxt, gradient, CGPointMake(0,
NSMaxY(bounds)), CGPointMake(0, NSMinY(bounds)), 0);
CGContextRestoreGState(ctxt);
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