You'll have to handle the cropping/scaling yourself. Fortunately QPixmap
makes this pretty easy - check out
QPixmap.copy()<http://doc-snapshot.qt-project.org/4.8/qpixmap.html#copy-2>and
QPixmap.scaled()<http://doc-snapshot.qt-project.org/4.8/qpixmap.html#scaled>.
If I understand you correctly, you probably want to do something like this:
pixmap = QtGui.QPixmap('/path/to/image.png')
# resize pixmap
pixmap = pixmap.scaled(button.size(), QtCore.Qt.KeepAspectRatioByExpanding,
QtCore.Qt::SmoothTransformation)
# crop pixmap - the following assumes the image aspect is always wider than
the button. if that's not the case
# you'll need to compare your image/button aspects and crop
vertically/horizontally as necessary
cropOffsetX = (pixmap.width() - button.size().width()) / 2
pixmap = pixmap.copy(cropOffsetX, 0, button.size().width(),
button.size().height())
button.setIcon(QtGui.QIcon(pixmap))
On Wednesday, August 22, 2012 9:07:09 PM UTC-7, Panupat wrote:
>
> Thanks jdob!
>
> Finally I got the thumbnails into my view by making them icons of
> QPushButton and lay them in their own widgets.
>
> Is there any flag to control how the image got resized into icon? Right
> now it retains it's aspect ratio, leaving some grey color where it doesn't
> cover. I actually want it to cover the whole icon area, cropping out what's
> beyond instead. Is there a way to do so?
>
> Best regard,
> Panupat.
>
> On Tue, Aug 21, 2012 at 12:13 AM, jdob <[email protected]<javascript:>
> > wrote:
>
>> The simplest way to do this is probably using QLabel(s) for text and
>> images and laying them out in a QGridLayout. You'll have to use 2 QLabels
>> if you want to display both an image and text (since QLabel shows an image
>> or text but not both). In that case, you'll need to place your image and
>> text inside a QVBoxLayout and then add that layout to the grid. Then you
>> can wrap the grid layout inside a QScrollArea.
>>
>> Another (more flexible) way to solve this is using Qt's Graphics View
>> framework <http://qt-project.org/doc/qt-4.8/graphicsview.html>. Take a
>> look at QGraphicsPixmapItem and QGraphicsSimpleTextItem
>>
>>
>> On Monday, August 20, 2012 3:54:08 AM UTC-7, Panupat wrote:
>>>
>>> If I have a list of full path + image file names, how do I populate them
>>> as square thumbnails with text label into scrollable area? What class
>>> should I look at? Should I use QScrollArea for the wrapper? Something
>>> similar to sunday pipeline's
>>> http://www.3dg.dk/2011/08/12/**sunday-pipeline-maya-public/<http://www.3dg.dk/2011/08/12/sunday-pipeline-maya-public/>
>>>
>>> Thanks!
>>>
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