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- /*
- File: ImageCompressionUtilities.h
-
- Description: Include file for ImageCompressionUtilities.c
-
- Author: QuickTime team
-
- Copyright: © Copyright 1999 Apple Computer, Inc. All rights reserved.
-
- Disclaimer: IMPORTANT: This Apple software is supplied to you by Apple Computer, Inc.
- ("Apple") in consideration of your agreement to the following terms, and your
- use, installation, modification or redistribution of this Apple software
- constitutes acceptance of these terms. If you do not agree with these terms,
- please do not use, install, modify or redistribute this Apple software.
-
- In consideration of your agreement to abide by the following terms, and subject
- to these terms, Apple grants you a personal, non-exclusive license, under Apple’s
- copyrights in this original Apple software (the "Apple Software"), to use,
- reproduce, modify and redistribute the Apple Software, with or without
- modifications, in source and/or binary forms; provided that if you redistribute
- the Apple Software in its entirety and without modifications, you must retain
- this notice and the following text and disclaimers in all such redistributions of
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- Apple Computer, Inc. may be used to endorse or promote products derived from the
- Apple Software without specific prior written permission from Apple. Except as
- expressly stated in this notice, no other rights or licenses, express or implied,
- are granted by Apple herein, including but not limited to any patent rights that
- may be infringed by your derivative works or by other works in which the Apple
- Software may be incorporated.
-
- The Apple Software is provided by Apple on an "AS IS" basis. APPLE MAKES NO
- WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION THE IMPLIED
- WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- PURPOSE, REGARDING THE APPLE SOFTWARE OR ITS USE AND OPERATION ALONE OR IN
- COMBINATION WITH YOUR PRODUCTS.
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-
- Change History (most recent first):
-
- <1> 08/30/00 srk Carbonization
-
- */
-
- #ifndef _IMAGECOMPRESSIONUTILITIES_
- #define _IMAGECOMPRESSIONUTILITIES_
-
- #define TARGET_API_MAC_CARBON 1
-
- #ifndef __MOVIES__
- #include <Movies.h>
- #endif
-
-
-
- // _____________________ Image Compression Utilities _____________________ //
-
-
- // Given a QuickDraw picture, extract QuickTime compressed image data and description, if any
- OSErr ExtractCompressData( PicHandle thePict, Handle *dataOut, ImageDescriptionHandle *idh );
-
-
- // Utilities for compressing from various types of sources
-
-
- OSErr RecompressCompressedImageWithTransparency( ImageDescriptionHandle originalDesc, Handle originalImageData,
- RGBColor *keyColor,
- RgnHandle limitHitTestRegion,
- ImageDescriptionHandle *idh, Handle * imageData );
- OSErr RecompressPictureWithTransparency ( PicHandle originalPicture,
- RGBColor *keyColor,
- RgnHandle limitHitTestRegion,
- ImageDescriptionHandle *idh, Handle * imageData );
- OSErr RecompressPictureFileWithTransparency ( FSSpec * spec,
- RGBColor *keyColor,
- RgnHandle limitHitTestRegion,
- ImageDescriptionHandle *idh, Handle * imageData );
-
- // Low-level callback procedure based routine to compress with/without transparency & hit-testing
-
- enum {
- kRecoProcInitMsg = 1, // message and refcon are valid
- kRecoProcDisposeMsg = 2, // message and refcon are valid
- kRecoProcGetBoundsMsg = 3, // message, bounds and refcon are valid. Proc fills in bounds with rectangle to use for compressed image.
- kRecoProcDrawMsg = 4 // message, bounds, drawingPort, portType and refcon are valid. portType is 'imag' if drawing into
- // image GWorld, 'imap' if drawing into hit testing GWorld.
- };
-
- enum {
- kRecoProcOriginalImageType = FOUR_CHAR_CODE('imag'),
- kRecoProcHitTestingImageType = FOUR_CHAR_CODE('imap')
- };
-
- typedef pascal OSErr (*CompressDrawProc)( short message, Rect * bounds, GWorldPtr drawingPort, OSType drawingImageType, void * refcon );
-
- OSErr RecompressWithTransparencyFromProc( CompressDrawProc drawProc, void * drawProcRefcon,
- Boolean includeHitTesting,
- RGBColor *keyColor,
- RgnHandle hitTestRegion,
- ImageDescriptionHandle *idh, Handle * imageData );
-
-
- #endif
-
-