RESIZEWIDTH: Difference between revisions
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(Created page with "{{DISPLAYTITLE:_RESIZEWIDTH}} The _RESIZEWIDTH function returns the user resized screen pixel width if $RESIZE:ON allows it and _RESIZE returns -1 {{PageSyntax}} : {{Parameter|newWidth&}} = _RESIZEWIDTH {{PageDescription}} * _RESIZE function must return true (-1) before the requested screen dimensions can be returned by the function. * The program should decide if the request is allowable for proper program i...") |
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{{Cl|SCREEN}} s& | {{Cl|SCREEN}} s& | ||
bee& = {{Cl|_LOADIMAGE}}("qb64_trans.png") ' | bee& = {{Cl|_LOADIMAGE}}("qb64_trans.png") 'any image | ||
{{Cl|DO}} | {{Cl|DO}} | ||
Revision as of 23:20, 21 April 2022
The _RESIZEWIDTH function returns the user resized screen pixel width if $RESIZE:ON allows it and _RESIZE returns -1
Syntax
- newWidth& = _RESIZEWIDTH
Description
- _RESIZE function must return true (-1) before the requested screen dimensions can be returned by the function.
- The program should decide if the request is allowable for proper program interaction.
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") 'any image 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