ColdFusion Developer's Guide

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Beta Beta Beta Beta Beta Beta Beta Resizing images ColdFusion makes it easy to resize images. You can reduce the file size of an image by changing its dimensions, enforce uniform sizes on images, and create thumbnail images. The following table describes the ways to resize images in ColdFusion: : Task Functions and actions Resize an image ImageResize function, or the resize action of the cfimage tag Resize images so that they fit in a defined square or rectangle and control the interpolation method Resize an image and control the interpolation method 1100 Creating and Manipulating ColdFusion Images ImageScaleToFit function ImageResize function
Beta Beta Beta Beta Beta Beta Beta Using the cfimage tag resize action Use the cfimage tag resize action to resize an image to the specified height and width. You can specify the height and width in pixels or as a percentage of the image’s original dimensions. To specify a percentage, include the percent symbol (%) in the height and width definitions. The cfimage tag requires that you specify both the height and the width for the resize action. The cfimage tag resize action uses the highestQuality interpolation method for the best quality image (at the cost of performance). For faster display, use the ImageResize function or the ImageScaleToFit function. Using the ImageResize function The ImageResize function is similar to the cfimage tag resize action. To ensure that the resized image is proportional, specify a value for the either the height or width and enter a blank value for the other dimension: Manipulating ColdFusion images 1101
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Beta ColdFusion Developer’s Guide
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Beta Contents Introduction . . . .
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Beta Chapter 8: Creating ColdFusion
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Beta About resource and sandbox sec
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Beta Refining your searches with zo
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Beta Authentication. . . . . . . .
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Beta Using WDDX. . . . . . . . . .
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Beta Sending outgoing messages . .
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Index A access client variables 412
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authentication application-based ex
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cfexit tag about 43 behavior of 296
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SetVariable 103 StructClear 134 Str
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caching 1144 curve chart considerat
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web services and 1306 when to use 2
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forms for updating 584 insert form
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adding custom header 1428 attachmen
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in user-defined functions 222 infor
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esponding to messages from ColdFusi
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Internet applications 19 ColdFusion
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functions for 502 generating multi-
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described 1539 example 1544 onIncom
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unions 609 user guide 609 using 599
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text 1470 retrieving, e-mail messag
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about 37, 74, 324, 400, 404, 417 bu
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web services, consuming 1319 web se
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V validating data types 83 form fie
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type conversions 1304 web services,
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