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only lock focus and redraw the pieces view if it has been updated

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This commit is contained in:
Mitchell Livingston
2008-06-10 21:46:34 +00:00
parent 6a0038f146
commit 5158d6a38e
1 changed files with 15 additions and 5 deletions
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20
macosx/PiecesView.m
View File

@@ -128,11 +128,11 @@
[fTorrent getAmountFinished: piecesPercent size: fNumPieces]; [fTorrent getAmountFinished: piecesPercent size: fNumPieces];
} }
NSImage * image = [self image];
int i, j, index = -1; int i, j, index = -1;
NSRect rect = NSMakeRect(0, 0, fWidth, fWidth); NSRect rect = NSMakeRect(0, 0, fWidth, fWidth);
BOOL change = NO;
NSImage * image = [self image];
[image lockFocus];
for (i = 0; i < fAcross; i++) for (i = 0; i < fAcross; i++)
for (j = 0; j < fAcross; j++) for (j = 0; j < fAcross; j++)
@@ -189,6 +189,13 @@
if (pieceColor) if (pieceColor)
{ {
//avoid unneeded memory usage by only locking focus if drawing will occur
if (!change)
{
change = YES;
[image lockFocus];
}
rect.origin = NSMakePoint(j * (fWidth + BETWEEN) + BETWEEN + fExtraBorder, rect.origin = NSMakePoint(j * (fWidth + BETWEEN) + BETWEEN + fExtraBorder,
[image size].width - (i + 1) * (fWidth + BETWEEN) - fExtraBorder); [image size].width - (i + 1) * (fWidth + BETWEEN) - fExtraBorder);
@@ -197,8 +204,11 @@
} }
} }
[image unlockFocus]; if (change)
[self setNeedsDisplay]; {
[image unlockFocus];
[self setNeedsDisplay];
}
tr_free(pieces); tr_free(pieces);
tr_free(piecesPercent); tr_free(piecesPercent);