[image_scalewithin]
| Link | image_scalewithin |
| Author | Jason Huck |
| Category | Image |
| Version | 8.x |
| License | Public Domain |
| Posted | 16 Jan 2006 |
| Updated | 10 Sep 2007 |
| More by this author... | |
Description
Scales the specified image within the given dimensions, maintaining the aspect ratio of the original image. Requires [math_proportion], available here.
Sample Usage
inline( -username='xxxxxx', -password='xxxxxx' ); image_scalewithin( -source='before.tiff', -target='after.gif', -width=300, -height=300 ); /inline;
Source Code
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define_tag(
'scalewithin',
-namespace='image_',
-priority='replace',
-required='source',
-type='string',
-required='target',
-type='string',
-required='width',
-type='integer',
-required='height',
-type='integer',
-description='Scales the specified image within the given dimensions.'
);
fail_if(
!file_exists(#source),
-1,
'The specified file could not be found.'
);
local('img') = image(#source);
local(
'mW' = @#width,
'mH' = @#height,
'oW' = @#img->width,
'oH' = @#img->height,
'nW' = integer,
'nH' = integer
);
if(#oW >= #oH);
#nW = #mW;
#nH = math_proportion(#oW,#oH,#nW,'x');
if(#nH > #mH);
#nH = #mH;
#nW = math_proportion(#oW,#oH,'x',#nH);
/if;
else;
#nH = #mH;
#nW = math_proportion(#oW,#oH,'x',#nH);
if(#nW > #mW);
#nW = #mW;
#nH = math_proportion(#oW,#oH,#nW,'x');
/if;
/if;
#img->scale(
-width=#nW,
-height=#nH,
-thumbnail
);
#img->save(#target);
/define_tag;
RE: Doesn't get along with Filemaker