PlasmaCore.IconItem {
id: iconImage
width:64
height:64
anchors.centerIn: parent
}
DropShadow {
id:shadowImageNoActive
width: 64
height: 64
scale: wrapper.scale * wrapper.appearScale
anchors.centerIn: parent
radius: 7.0
samples: 10
color: "#90080808"
source: ShaderEffectSource {
id:effectSource
width: iconImage.width
height: iconImage.height
sourceItem: iconImage
hideSource: true
live: false
}
}
On 7/29/16, David Edmundson <da...@davidedmundson.co.uk> wrote:
> Given you already have
>
> usePlasmaTheme:false
>
> does using QIconItem from KQuickControlsAddons work any better?
>
> David
>
> On Fri, Jul 29, 2016 at 4:35 PM, Michail Vourlakos <mvourla...@gmail.com>
> wrote:
>
>> >
>> > Move the IconItem outside the DropShadow.
>> > Otherwise you're scaling the source still, which is what we want to
>> avoid.
>> >
>> > Out of curiosity, how are you measuring performance?
>> >
>>
>> David even this way I get the same bad performance... This is the code
>> inside a task delegate. I have implemented a qml plasmoid that acts as
>> an alternative task list but it mimics the plank animation or mac
>> style. The main animation in this case is when the user hovers a task
>> and that task is zoomed and its neighbour tasks also. Most of the code
>> is based on the current tasks plasmoid of 5.7 except the appearance
>> and the animations.
>>
>> To check the performance I install the plasmoid with "plasmapkg2 -u "
>> and after that I use plasmawindowed to watch it. After that I open
>> ksysguard and I watch the cpu% that is used when then user hovers the
>> tasks and goes its mouse on the task list back and forth. With the
>> following code my sluggish old netbook reaches and remain at around
>> 80% of cpu cycles when the user hovers tasks in that list, and
>> actually there is no smooth animation at all. With the Images solution
>> I sent earlier this is at 40% cpu in the same hardware and there is a
>> smooth hovering animation.
>>
>> In my main computer at the office with the following solution I get
>> around 25% of cpu with smooth animation but with the Images solution I
>> get maximum 9% of cpu
>>
>>
>> -----------------------------------
>> PlasmaCore.IconItem {
>> id: iconImage
>>
>> width:64
>> height:64
>>
>> anchors.centerIn: parent
>>
>> active: true
>> enabled: true
>> usesPlasmaTheme: false
>>
>> source: decoration
>>
>> }
>>
>> DropShadow {
>> id:shadowImageNoActive
>>
>> width: 64
>> height: 64
>>
>> scale: wrapper.scale * wrapper.appearScale
>>
>> anchors.centerIn: parent
>>
>> radius: 7.0
>> samples: 10
>> color: "#90080808"
>> source: ShaderEffectSource {
>> id:effectSource
>> width: iconImage.width
>> height: iconImage.height
>> sourceItem: iconImage
>> hideSource: true
>> live: false
>> }
>>
>> }
>> _______________________________________________
>> Plasma-devel mailing list
>> Plasma-devel@kde.org
>> https://mail.kde.org/mailman/listinfo/plasma-devel
>>
>
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