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ID: 13800, Manipulating Pixels with Delphi's Scanline Property

by Earl F. Glynn Email:

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For Delphi, Version 3.0  to 4.0 589 downloads
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Size: 84,436 bytes
Updated on Tue, 17 Aug 1999 00:00:00 GMT
Originally uploaded on Tue, 17 Aug 1999 00:00:00 GMT
SHA1 Hash: 5F8A36CFE3836E17E17A5F6ECDA2227522C5CAB2
MD5 Hash: FABBAC0DFE2A8E9E995E3B2870CA590C

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This Tech Note (Scanline.htm) explains the format of a Scanline by Pixelformat and gives sample code and links to complete examples.

This article first appeared in the May 1998 "Delphi Developer," pp. 1-5, 9. The text of that article was expanded to include information about all PixelFormats, as well as to refer to detailed examples in the "Lab Reports" in my "Computer Lab."

The "home" of this Tech Note is

Keywords: Scanline Bitmap property, PixelFormat, pfDevice, pf1bit, pf4bit, pf8bit, pf15bit, pf16bit, pf24bit, pf32bit, pfCustom, EInvalidGraphic, Canvas Pixels property, GetDIBits, DIB, Bitmap rotation, TByteArray, pByteArray, TWordArray, pWordArray, TRGBTripleArray, pRGBTripleArray, TRGBQuadArray, pRGBQuadArray, Conversion of pf24bit to pf15bit, palettes, GetPaletteEntries, reserved colors, color cycling, IdleAction, Optimization

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