[Gambas-bugtracker] Bug #2670: Paint.DrawText / Paint.Text Allignment difference

[bugtracker at gambaswiki.org]

http://gambaswiki.org/bugtracker/edit?object=BUG.2670&from=L21haW4-

Bruce STEERS reported a new bug.

Summary
-------

Paint.DrawText / Paint.Text Allignment difference

Type             : Bug
Priority         : Medium
Gambas version   : Master
Product          : Unknown


Description
-----------

To follow is an app that makes it's own custom window.

I made a class inheriting Label to add some shadow but came across an error.

I found if i removed the Border from the label then the Align.Center did not happen and the text was placed to the Left.

If you run the following application you will see the added shadow text (black) is center but the labels white text is aligned left.

If i set Label.Border to any value other than none the text is then centered correctly.

Also, oddly, if I change the printing of the Black text in ShadowLabel.class to use Paint.Text, then Paint.Stroke and not use Paint.DrawText then also the bug goes away.

Respects
BruceS
(Happy Christmas)


System information
------------------

[System]
Gambas=3.17.90 4d8b7fe96 (bruces-patched)
OperatingSystem=Linux
Kernel=5.15.0-56-generic
Architecture=x86_64
Distribution=Linux Mint 21 Vanessa
Desktop=MATE
Font=Ubuntu,10
Scale=7
Theme=mint-x
Language=en_GB.UTF-8
Memory=7883M

[Libraries]
Cairo=libcairo.so.2.11600.0
Curl=libcurl.so.4.7.0
DBus=libdbus-1.so.3.19.13
GDK2=libgdk-x11-2.0.so.0.2400.33
GDK3=libgdk-3.so.0.2404.29
GStreamer=libgstreamer-1.0.so.0.2003.0
GTK+2=libgtk-x11-2.0.so.0.2400.33
GTK+3=libgtk-3.so.0.2404.29
OpenGL=libGL.so.1.7.0
Poppler=libpoppler.so.118.0.0
QT5=libQt5Core.so.5.15.3
SDL=libSDL-1.2.so.0.11.4
SQLite=libsqlite3.so.0.8.6

[Environment]
CLUTTER_BACKEND=x11
COMPIZ_CONFIG_PROFILE=mint
DBUS_SESSION_BUS_ADDRESS=unix:path=/run/user/1000/bus
DEFAULTS_PATH=/usr/share/gconf/mate.default.path
DESKTOP_SESSION=mate
DISPLAY=:0
GB_GUI=gb.gtk3
GDMSESSION=mate
GDM_LANG=en_GB
GIO_LAUNCHED_DESKTOP_FILE=<home>/.local/share/applications/GLaunch.desktop
GIO_LAUNCHED_DESKTOP_FILE_PID=46870
GPG_AGENT_INFO=/run/user/1000/gnupg/S.gpg-agent:0:1
GTK3_MODULES=xapp-gtk3-module
GTK_MODULES=gail:atk-bridge
GTK_OVERLAY_SCROLLING=0
HOME=<home>
LANG=en_GB.UTF-8
LANGUAGE=en_GB.UTF-8
LC_ALL=en_GB.UTF-8
LOGNAME=<user>
MANDATORY_PATH=/usr/share/gconf/mate.mandatory.path
MATE_DESKTOP_SESSION_ID=this-is-deprecated
PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games:/snap/bin
PWD=<home>
QT_ACCESSIBILITY=1
QT_FONT_DPI=96
QT_LOGGING_RULES=*.debug=false
QT_QPA_PLATFORMTHEME=qt5ct
QT_SCALE_FACTOR=1
SESSION_MANAGER=local/<hostname>:@/tmp/.ICE-unix/1119,unix/<hostname>:/tmp/.ICE-unix/1119
SHELL=/bin/bash
SHLVL=1
SSH_AUTH_SOCK=/run/user/1000/keyring/ssh
TZ=:/etc/localtime
USER=<user>
XAUTHORITY=<home>/.Xauthority
XDG_CONFIG_DIRS=/etc/xdg/xdg-mate:/etc/xdg
XDG_CURRENT_DESKTOP=MATE
XDG_DATA_DIRS=/usr/share/mate:<home>/.local/share/flatpak/exports/share:/var/lib/flatpak/exports/share:/usr/local/share:/usr/share
XDG_GREETER_DATA_DIR=/var/lib/lightdm-data/<user>
XDG_RUNTIME_DIR=/run/user/1000
XDG_SEAT=seat0
XDG_SEAT_PATH=/org/freedesktop/DisplayManager/Seat0
XDG_SESSION_CLASS=user
XDG_SESSION_DESKTOP=mate
XDG_SESSION_ID=c1
XDG_SESSION_PATH=/org/freedesktop/DisplayManager/Session0
XDG_SESSION_TYPE=x11
XDG_VTNR=7
_=/usr/bin/gambas3