On Tue, Mar 12, 2013 at 12:22 AM, Bache-Wiig Jens
<jens.bache-w...@digia.com> wrote:
>> Hi,
>> Sorry for delay, I had not seen your question
>> To enable antialiasing in Qt Quick Canvas, you must set the property
>> "antialiasing" to "true" and set the property "renderTarget" to
>> "Canvas.Image"
>> Guillaume
>
> True. It might also be worth mentioning that we also plan to make this the
> default setting on Canvas items in Qt 5.1.
>
> Jens
>
>>
>> On Fri, Feb 15, 2013 at 7:49 PM, Mark <markg85 at gmail.com
>> > wrote:
>> >
>> Hi,
>>
>> >
>> >
>> I'm drawing some shapes on Windows 7 with QML Canvas, but the output
>>
>> >
>> really seems aliased as in the anti-aliasing is off.
>>
>> >
>> >
>> The code:
>>
>> >
>> >
>> import QtQuick 2.0
>>
>> >
>> >
>> Item {
>>
>> >
>> width: 400
>>
>> >
>> height: 400
>>
>> >
>> >
>> Canvas {
>>
>> >
>> id:canvas
>>
>> >
>> width:400
>>
>> >
>> height:400
>>
>> >
>> antialiasing: true
>>
>> >
>> >
>> property string strokeStyle:"green"
>>
>> >
>> property string fillStyle:"yellow"
>>
>> >
>> property int lineWidth:10
>>
>> >
>> property bool fill:true
>>
>> >
>> property bool stroke:true
>>
>> >
>> >
>> >
>> onPaint: {
>>
>> >
>> var ctx = canvas.getContext('2d');
>>
>> >
>> ctx.save();
>>
>> >
>> ctx.clearRect(0, 0, canvas.width, canvas.height);
>>
>> >
>> ctx.strokeStyle = canvas.strokeStyle;
>>
>> >
>> ctx.fillStyle = canvas.fillStyle;
>>
>> >
>> ctx.lineWidth = canvas.lineWidth;
>>
>> >
>> >
>> ctx.arc(75,75,50,0,Math.PI*2,true); // Outer circle
>>
>> >
>> >
>> if (canvas.fill)
>>
>> >
>> ctx.fill();
>>
>> >
>> if (canvas.stroke)
>>
>> >
>> ctx.stroke();
>>
>> >
>> >
>> ctx.restore();
>>
>> >
>> }
>>
>> >
>> }
>>
>> >
>> }
>>
>> >
>> >
>> I'm using Qt 5.0.1 mingw build x86 on Windows 7.
>>
>> >
>> >
>> Cheers,
>>
>> >
>> Mark
>>
>>
>> Anyone?
>>
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>
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Hi,
A late followup on this one. I just tried out
http://download.qt-project.org/snapshots/qt/5.1/5.1.0-beta1/backups/2013-05-02-11/qt-windows-opensource-5.1.0-beta1-mingw47-x86-offline-2013-05-02-11.exe
and ran the example in:
C:\Qt\Qt5.1.0\5.1.0-beta1\mingw47_32\examples\quick\canvas. I noticed
(quite fast) that antialiasing is not enabled.
Another ANGLE issue?
My graphics card is an nvidia one with an intel cpu so i guess the
hardware setup is roughly ideal.
Any reason why antialiasing is not on?
Cheers,
Mark
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