/*

    File:       DelegateOnlyTestApp.c

    Description: Some very basic code to test the Delegate Only Image Codec. Opens a .jpg image,

                 creats a '2vuy' offscreen and draws the image into the offscreen using Graphics Importers.

                 Once we have the source in the correct pixel format, we use a decompression sequence to draw

                 to the window. By changing the image description we force the ICM to call our Delegate Only Codec

                 which in turn just delegates everything to the apple '2vuy' codec.

    Author:     QuickTime DTS

    Copyright:  © Copyright 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

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                ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

    Change History (most recent first):

*/

#if !TARGET_API_MAC_CARBON

    #error "Carbon only"

#endif

#if __MACH__

    #include <Carbon/Carbon.h>

    #include <QuickTime/QuickTime.h>

#else

    #include <ConditionalMacros.h>

    #include <Fonts.h>

    #include <ImageCompression.h>

    #include <Movies.h>

    #include <NumberFormatting.h>

    #include <FixMath.h>

#endif

#include "GetFile.h"

// This app contains the delegate only component code, and 

// that component includes a register call which is prototyped here

extern void DelegateOnly_CodecRegister(void);

int main(void)

{

    WindowRef w = NULL;

    GraphicsImportComponent gi = NULL;

    Rect r = {100, 100, 130, 130};

    FSSpec theFSSpec;

    OSType fileType = FOUR_CHAR_CODE('JPEG');

    GWorldPtr myGWorld;

    OSErr err;

    // Initialize for Carbon and QuickTime      

    InitCursor();

    EnterMovies(); // yep, even for X

#if !STAND_ALONE

    // Register the built in Delegate Only component

    // for the Linked version of the TestApp

    DelegateOnly_CodecRegister();

#endif

    w = NewCWindow(NULL, &r, "\pTestApp", false, noGrowDocProc, (WindowPtr)-1, false, 0);

    if (NULL == w) goto bail;

    SetPortWindowPort(w);

    err = GetOneFileWithPreview(1, &fileType, &theFSSpec, NULL);

    if (err) goto bail;

    err = GetGraphicsImporterForFile(&theFSSpec, &gi);

    if (err) goto bail;

    err = GraphicsImportGetNaturalBounds(gi, &r);

    if (err) goto bail;

    SizeWindow(w, r.right - r.left, r.bottom - r.top, false);

    ShowWindow(w);

    // Create a '2vuy' offscreen for the test image, this is our "source"

    err = QTNewGWorld(&myGWorld, k2vuyPixelFormat, &r, NULL, NULL, 0);

    if (err) goto bail;

    GraphicsImportSetGWorld(gi, myGWorld, NULL); 

    // Draw it

    err = GraphicsImportDraw(gi);

    if (err) goto bail;

    {   // Now use the delegate component to draw to the screen

        Rect rSource;

        PixMapHandle hPixMap;

        Ptr pPixels;

        ImageSequence seqID = 0;

        ImageDescriptionHandle desc = NULL;

        GraphicsImportGetNaturalBounds(gi, &rSource);

        hPixMap = GetGWorldPixMap(myGWorld);

        LockPixels(hPixMap);

        err = MakeImageDescriptionForPixMap(hPixMap, &desc);

        if (err) goto bail;

        // change the image description so the ICM will call us

        (**desc).cType = FOUR_CHAR_CODE('DelO');

        pPixels = GetPixBaseAddr(hPixMap);

        err = DecompressSequenceBegin(&seqID, desc, GetWindowPort(w), NULL, &rSource, NULL, srcCopy, NULL, 0, codecNormalQuality, NULL);

        if (err) goto bail;

        DecompressSequenceFrameS(seqID, pPixels, (**desc).dataSize, 0, NULL, NULL);

        CDSequenceEnd(seqID);

        DisposeHandle((Handle)desc);

    }

    while (!Button())

        ;

bail:

    return 0;

}