_RESIZE (function)

The _RESIZE function returns true (-1) when a user has attempted to resize the program window and $RESIZE:ON has allowed it.

Syntax

IF _RESIZE THEN rx& = _RESIZEWIDTH: ry& = _RESIZEHEIGHT

Description

• The function returns -1 if a program screen resize was attempted by the user.
• After the function returns -1, _RESIZEWIDTH and _RESIZEHEIGHT can return the new requested dimensions in pixels.
• The $RESIZE:ON metacommand must be used so the program is created with a user resizable window.

Availability

• Version 1.000 and up.

Examples

Example: Resize the current screen image according to user's request.

$RESIZE:ON s& = _NEWIMAGE(300, 300, 32) SCREEN s& bee& = _LOADIMAGE("qb64_trans.png") 'QB64's bee from http://www.qb64.net/qb64_trans.png DO IF _RESIZE THEN oldimage& = s& s& = _NEWIMAGE(_RESIZEWIDTH, _RESIZEHEIGHT, 32) SCREEN s& _FREEIMAGE oldimage& END IF CLS 'Center the QB64 bee image: x = _WIDTH / 2 - _WIDTH(bee&) / 2 y = _HEIGHT / 2 - _HEIGHT(bee&) / 2 _PUTIMAGE (x, y), bee& _DISPLAY _LIMIT 30 LOOP

See also

• $RESIZE (metacommand)
• _RESIZE
• _RESIZEWIDTH, _RESIZEHEIGHT (requested pixel dimensions)

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