/*

    File: PixOps.h

    Description:

        Routines for simple image manipulation.  

    Copyright:

        Copyright (c) 2003 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 AppleÕs

        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

        the Apple Software.  Neither the name, trademarks, service marks or logos of

        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.

        IN NO EVENT SHALL APPLE BE LIABLE FOR ANY SPECIAL, INDIRECT, INCIDENTAL OR

        CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE

        GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)

        ARISING IN ANY WAY OUT OF THE USE, REPRODUCTION, MODIFICATION AND/OR DISTRIBUTION

        OF THE APPLE SOFTWARE, HOWEVER CAUSED AND WHETHER UNDER THEORY OF CONTRACT, TORT

        (INCLUDING NEGLIGENCE), STRICT LIABILITY OR OTHERWISE, EVEN IF APPLE HAS BEEN

        ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

    Change History (most recent first):

        Wed, Aug 27, 2003 -- created

*/

#ifndef __PIXOPS__

#define __PIXOPS__

#include <CoreServices/CoreServices.h>

    /* pixel data type used in 32 bit gworlds */

typedef unsigned long PixelDataType;

    /* create a simple 32 bit gworld for drawing */

GWorldPtr MakeGWorld(Rect *bounds);

    /* make a new world containing the bits in bounds */

GWorldPtr MakeGSubWorld(GWorldPtr sourceWorld, Rect *bounds);

    /* create a simple 8 bit grayscale gworld for drawing */

GWorldPtr MakeGrayscaleGWorld(Rect *bounds);

    /* release the memory allocated for a gworld */

void UnmakeGWorld(GWorldPtr theWorld);

    /* find out what pixels contain drawing data, for trim commands */

Rect *DiscoverGWorldUsedBounds(GWorldPtr newWorld, Rect *boundingBox, Rect *r);

OSStatus LoadGraphicsFile(char* filepath, GWorldPtr *theWorld, Rect *r);

enum {

    minQuality,

    lowQuality,

    normalQuality,

    highQuality,

    maxQuality

};

    /* save a world as a jpg file */

OSStatus SaveAsJPG(GWorldPtr gworld, char* filepath, int jpgquality);

    /* save a gworld as a png file */

OSStatus SaveAsPNG(GWorldPtr gworld, char* filepath);

    /* get the width and height of the data in a graphics file */

OSStatus GetGraphicsFileBounds(char* filepath, short *width, short *height);

#endif