[Gambas-user] Image smoothing

Wed Jul 13 20:24:19 CEST 2016

I see exactly as you see it, and to my knowledge Paint has antialiasing,
Draw not.

Regards
Gianluigi

2016-07-13 20:06 GMT+02:00 juan duque <ilustrisimo.sr.duque at ...626...>:

> Thanks for the reply.
>
> Have you tested with the attachment? The Paint.Antialias = False has
> no effect, at least on my system: the obtained image remains
> smoothened.
>
> Public Sub Button2_Click()
>
>   Dim hPic As Picture
>
>   hPic = New Picture(256, 256)
>   If (RadioButton1.Value) Then
>     Paint.Begin(hPic)
>       Paint.AntiAlias = False
>       Paint.DrawPicture(PictureBox3.Picture, 0, 0, 256, 256)
>       Paint.Stroke
>     Paint.End()
>   Else
>     Draw.Begin(hPic)
>       ' Draw.Antialias = False ==> unknow symbol Antialias in clas Draw
>       Draw.Picture(PictureBox3.Picture, 0, 0, 256, 256)
>     Draw.End()
>   End If
>   PictureBox2.Picture = hPic
>
> End
>
> Can you confirm that you see correctly?
>
> Regards
>
>
> 2016-07-12 14:43 GMT+01:00, Fabien Bodard <gambas.fr at ...626...>:
> > Yes Paint.Antialias = False
> >
> > or Draw.Antialias = False
> >
> > http://gambaswiki.org/wiki/comp/gb.qt4/paint/antialias
> >
> > 2016-07-09 10:41 GMT+02:00 juan duque <ilustrisimo.sr.duque at ...626...>:
> >> Obviously my English is somewhat lacking. Apologies.
> >>
> >> I think this is not a bug but rather a design with some shortcomings.
> >>
> >> Smoothing (or interpolation) of an image is often convenient but not
> >> desirable in all cases.
> >> Attached a sample program (this would be a magnifying glass).
> >>
> >> Is there any way of disable smoothing in the image/paint/draw component?
> >>
> >> Regards
> >>
> >> [Component]
> >> gb.gui
> >>
> >> [System]
> >> Gambas=3.8.4
> >> OperatingSystem=Linux
> >> Kernel=4.6.0-1-amd64
> >> Architecture=x86_64
> >> Distribution=debian stretch/sid
> >> Desktop=KDE5
> >> Theme=Breeze
> >> Language=es_ES.UTF-8
> >> Memory=2003M
> >>
> >> [Libraries]
> >> Cairo=libcairo.so.2.11400.6
> >> DBus=libdbus-1.so.3.14.6
> >> GStreamer=libgstreamer-1.0.so.0.802.0
> >> GTK+2=libgtk-x11-2.0.so.0.2400.30
> >> GTK+3=libgtk-3.so.0.2000.6
> >> OpenGL=libGL.so.1.2.0
> >> Poppler=libpoppler.so.61.0.0
> >> QT4=libQtCore.so.4.8.7
> >> QT5=libQt5Core.so.5.6.1
> >> SDL=libSDL-1.2.so.0.11.4
> >>
> >> [Environment]
> >>
> DBUS_SESSION_BUS_ADDRESS=unix:abstract=/tmp/dbus-FCrJu0dWI4,guid=17adfd9a793c7c66824227df5780a4fe
> >> DESKTOP_SESSION=/usr/share/xsessions/plasma
> >> DISPLAY=:0
> >> GB_GUI=gb.qt5
> >> GS_LIB=<home>/.fonts
> >>
> GTK2_RC_FILES=/etc/gtk-2.0/gtkrc:<home>/.gtkrc-2.0:<home>/.config/gtkrc-2.0
> >> GTK_RC_FILES=/etc/gtk/gtkrc:<home>/.gtkrc:<home>/.config/gtkrc
> >> HOME=<home>
> >> KDE_FULL_SESSION=true
> >> KDE_MULTIHEAD=false
> >> KDE_SESSION_UID=1000
> >> KDE_SESSION_VERSION=5
> >> LANG=es_ES.UTF-8
> >> LANGUAGE=es
> >> LOGNAME=<user>
> >> MATHEMATICA_HOME=/media/rescue/local/Wolfram/Mathematica/9.0
> >> PAM_KWALLET5_LOGIN=/tmp/kwallet5_<user>.socket
> >> PATH=/usr/local/bin:/usr/bin:/bin:/usr/local/games:/usr/games
> >> PWD=<home>
> >> QT_ACCESSIBILITY=1
> >> QT_LINUX_ACCESSIBILITY_ALWAYS_ON=1
> >> QT_NO_GLIB=1
> >>
> SESSION_MANAGER=local/<hostname>:@/tmp/.ICE-unix/2966,unix/<hostname>:/tmp/.ICE-unix/2966
> >> SHELL=/bin/bash
> >> SHLVL=0
> >> SSH_AGENT_PID=2905
> >> SSH_AUTH_SOCK=/tmp/ssh-h8t4f8SuNyh2/agent.2851
> >> TZ=:/etc/localtime
> >> USER=<user>
> >> XAUTHORITY=/tmp/xauth-1000-_0
> >> XCURSOR_SIZE=0
> >> XCURSOR_THEME=breeze_cursors
> >> XDG_CURRENT_DESKTOP=KDE
> >> XDG_DATA_DIRS=/usr/share:/usr/share:/usr/local/share
> >> XDG_RUNTIME_DIR=/run/user/1000
> >> XDG_SEAT=seat0
> >> XDG_SEAT_PATH=/org/freedesktop/DisplayManager/Seat0
> >> XDG_SESSION_CLASS=user
> >> XDG_SESSION_DESKTOP=KDE
> >> XDG_SESSION_ID=4
> >> XDG_SESSION_PATH=/org/freedesktop/DisplayManager/Session1
> >> XDG_SESSION_TYPE=x11
> >> XDG_VTNR=7
> >>
> >>
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> >
> >
> >
> > --
> > Fabien Bodard
> >
> >
> ------------------------------------------------------------------------------
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>
>
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> traffic
> patterns at an interface-level. Reveals which users, apps, and protocols
> are
> consuming the most bandwidth. Provides multi-vendor support for NetFlow,
> J-Flow, sFlow and other flows. Make informed decisions using capacity
> planning
> reports.http://sdm.link/zohodev2dev
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