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Cover browser: Fix rendering of center cover when width of cover browser is less than the width of a single cover

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Kovid Goyal 2010-07-03 19:58:19 -06:00
parent a0ae751a5e
commit 4c25365ea4
1 changed files with 13 additions and 10 deletions
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15
src/calibre/gui2/pictureflow/pictureflow.cpp
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@ -795,17 +795,20 @@ QRect PictureFlowPrivate::renderCenterSlide(const SlideInfo &slide) {
int sw = src->height();
int sh = src->width();
int h = buffer.height();
QRect rect(buffer.width()/2 - sw/2, 0, sw, h-1);
int left = rect.left();
if (left >= 0) {
int srcoff = 0;
int left = buffer.width()/2 - sw/2;
if (left < 0) {
srcoff = -left;
sw += left;
left = 0;
}
QRect rect(left, 0, sw, h-1);
int xcon = MIN(h-1, sh-1);
int ycon = MIN(sw, buffer.width() - left);
for(int x = 0; x < xcon; x++)
for(int y = 0; y < ycon; y++)
buffer.setPixel(left + y, 1+x, src->pixel(x, y));
}
buffer.setPixel(left + y, 1+x, src->pixel(x, srcoff+y));
return rect;
}