/
ExportInterface.p
executable file
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ExportInterface.p
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{Photoshop version 1.0.1, file: ExportInterface.p
Computer History Museum, www.computerhistory.org
This material is (C)Copyright 1990 Adobe Systems Inc.
It may not be distributed to third parties.
It is licensed for non-commercial use according to
www.computerhistory.org/softwarelicense/photoshop/ }
{
File: ExportInterface.p
Copyright 1990 by Thomas Knoll.
This file describes version 3 of Photoshop's Export module interface.
}
UNIT ExportInterface;
INTERFACE
USES
MemTypes, QuickDraw, OSIntf;
CONST
{ Operation selectors }
exportSelectorAbout = 0;
exportSelectorStart = 1;
exportSelectorContinue = 2;
exportSelectorFinish = 3;
exportSelectorPrepare = 4;
{ Image modes }
exportModeBitmap = 0;
exportModeGrayScale = 1;
exportModeIndexedColor = 2;
exportModeRGBColor = 3;
exportModeCMYKColor = 4;
exportModeHSLColor = 5;
exportModeHSBColor = 6;
exportModeMultichannel = 7;
{ Error return values. The plug-in module may also return standard Macintosh
operating system error codes, or report its own errors, in which case it
can return any positive integer. }
exportBadParameters = -30200; { "a problem with the export module interface" }
exportBadMode = -30201; { "the export module does not support <mode> images" }
TYPE
ExportLUT = PACKED ARRAY [0..255] OF CHAR;
ExportRecord = RECORD
serialNumber: LONGINT; { Photoshop's serial number, to allow
copy protected plug-in modules. }
abortProc: ProcPtr; { The plug-in module may call this no-argument
BOOLEAN function (using Pascal calling
conventions) several times a second during long
operations to allow the user to abort the operation.
If it returns TRUE, the operation should be aborted
(and a positive error code returned). }
progressProc: ProcPtr; { The plug-in module may call this two-argument
procedure (using Pascal calling conventions)
periodically to update a progress indicator.
The first parameter (type LONGINT) is the number
of operations completed; the second (type LONGINT)
is the total number of operations. }
maxData: LONGINT; { Maximum number of bytes that should be
requested at once (the plug-in should reduce
its requests by the size any large buffers
it allocates). The plug-in may reduce this
value in the exportSelectorPrepare routine. }
imageMode: INTEGER; { Image mode }
imageSize: Point; { Size of image }
depth: INTEGER; { Bits per sample, currently will be 1 or 8 }
planes: INTEGER; { Samples per pixel }
imageHRes: Fixed; { Pixels per inch }
imageVRes: Fixed; { Pixels per inch }
redLUT: ExportLUT; { Red LUT, only used for Indexed Color images }
greenLUT: ExportLUT; { Green LUT, only used for Indexed Color images }
blueLUT: ExportLUT; { Blue LUT, only used for Indexed Color images }
theRect: Rect; { Rectangle requested, set to empty rect when done }
loPlane: INTEGER; { First plane requested }
hiPlane: INTEGER; { Last plane requested }
data: Ptr; { A pointer to the requested image data }
rowBytes: LONGINT; { Spacing between rows }
filename: Str255; { Document file name }
vRefNum: INTEGER; { Volume reference number, or zero if none }
dirty: BOOLEAN; { Changes since last saved flag. The plug-in may clear
this field to prevent prompting the user when
closing the document. }
selectBBox: Rect; { Bounding box of current selection, or an empty
rect if there is no current selection. }
END;
ExportRecordPtr = ^ExportRecord;
END.