ProjectBuilder (OS X)/FX.c

/*
    File:       FX.c
 
    Contains:   
 
    Written by:     EL  
 
    Copyright:  Copyright © 1992-1999 by 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):
        6/2003      MK              Updated for ProjectBuilder
        
        08/2000     JM              Carbonized, non-Carbon code is commented out
                                                        for demonstration purposes.
                                                        
        7/13/1999   KG              Updated for Metrowerks Codewarror Pro 2.1
                
 
*/
 
#include "FX.h"
 
 
long drawFXImage()
{
    int     exampleNumber, exampleItem;
    Rect    rect, rect2;
    Rect    outlineRect;
    long    startTicks, endTicks;
    Point   point = { 0, 0 };
    Rect    frame;
    Rect    windowRect, gWorldRect;
 
    GetPortBounds(GetWindowPort(gWindow), &windowRect);
    GetPortBounds(gGWorld, &gWorldRect);
    SetRect( &rect, windowRect.right - gWorldRect.right - 20, 37,
                windowRect.right - 20, 37 + gWorldRect.bottom );
    
    outlineRect = rect;
    InsetRect( &outlineRect, -5, -5 );
    drawDeepBox( &outlineRect );
    
    frame = rect;
    
    if (settings.bItem == 1)
    {
        ForeColor( whiteColor );
        PaintRect( &rect );
    }
    else if (settings.bItem == 2)
    {
        ForeColor( blackColor );
        PaintRect( &rect );
    }
    else
    {
        rect2 = rect;
        
        rect2.right = (rect2.right - rect2.left) / 2 + rect2.left;
        ForeColor( whiteColor );
        PaintRect( &rect2 );
        
        rect2.left = rect2.right;
        rect2.right = rect.right;
        ForeColor( blackColor );
        PaintRect( &rect2 );
    }
 
    ForeColor( blackColor );
    BackColor( whiteColor );
    
    exampleNumber = gCurrentExample / 10;
    exampleItem = gCurrentExample % 10;
    
    startTicks = TickCount();
    
    if (exampleNumber == 1)
        transferExample( &rect, exampleItem );
    else if (exampleNumber == 2)
        arithmeticExample( &rect, exampleItem );
    else if (exampleNumber == 3)
        ditherExample( &rect, exampleItem );
    else if (exampleNumber == 4)
        colorizationExample( &rect, exampleItem );
    else if (exampleNumber == 5)
        mappingExample( &rect, exampleItem );
    else if (exampleNumber == 6)
        paintBucketExample( &rect, exampleItem, point );
    else if (exampleNumber == 7)
        lassoToolExample( &rect, exampleItem, &frame );
    else if (exampleNumber == 8)
        pixelAverageExample( &rect, exampleItem );
    else if (exampleNumber == 9)
        customExample( &rect, exampleItem );
        
    endTicks = TickCount();
    
    return (endTicks - startTicks);
}
 
void transferExample( Rect *rect, int item )
{
    int     transferMode;
    
    resetItems();
    settings.tItem = item;
    
    transferMode = setTransferMode( item );
    
    CopyBits( (BitMap *)(*(GetPortPixMap(gGWorld))), GetPortBitMapForCopyBits(GetWindowPort(gWindow)),
                &((**(GetPortPixMap(gGWorld))).bounds), rect, transferMode, nil );
}
 
int setTransferMode(int  item )
{
    item--;
    return item;
}
 
void arithmeticExample( Rect *rect, int item )
{
    int         arithmeticMode;
    RGBColor    color;
    
    resetItems();
    settings.aItem = item;
    
    arithmeticMode = setArithmeticMode( item );
    
    CopyBits( (BitMap *)(*(GetPortPixMap(gGWorld))), GetPortBitMapForCopyBits(GetWindowPort(gWindow)),
                &((**(GetPortPixMap(gGWorld))).bounds), rect, arithmeticMode, nil );
                
    color.red = color.green = color.blue = 0;
    OpColor( &color );
}
 
int setArithmeticMode(int item)
{
    RGBColor    color;
    
    if (item <= 4)
        item = 31 + item;
    else if (item == 9)
        item = transparent;
    else
        item = 32 + item;
    
    color.red = color.green = color.blue = 0xffff / 2;
    OpColor( &color );
    
    return item;
}
 
void colorizationExample(Rect *rect, int item )
{
    int         i;
    Rect        srcRect, dstRect;
    RGBColor    color;
    
    resetItems();
    settings.cItem = item;
    
    srcRect = (**(GetPortPixMap(gGWorld))).bounds;
    srcRect.right = srcRect.left + (srcRect.right - srcRect.left) / 3;
    
    dstRect = *rect;
    dstRect.right = dstRect.left + (dstRect.right - dstRect.left) / 3;
    
    for (i = 0; i < 3; i++)
    {
        if (item == 1)
        {
            ForeColor( blackColor );
            BackColor( whiteColor );
        }   
        else if (item == 2)
        {
            ForeColor( whiteColor );
            BackColor( blackColor );
        }
        else
        {
            color.red = color.green = color.blue = 0;
        
            if (i == 0)
                color.red = 0xffff;
            else if (i == 1)
                color.green = 0xffff;
            else if (i == 2)
                color.blue = 0xffff;
            
            if (item == 3)
            {
                RGBForeColor( &color );
                BackColor( whiteColor );
            }
            else
            {
                RGBBackColor( &color );
                ForeColor( blackColor );
            }
        }
                
        CopyBits( (BitMap *)(*(GetPortPixMap(gGWorld))), GetPortBitMapForCopyBits(GetWindowPort(gWindow)),
                &srcRect, &dstRect, srcCopy, nil );
                
        OffsetRect( &srcRect, srcRect.right - srcRect.left, 0 );
        OffsetRect( &dstRect, dstRect.right - dstRect.left, 0 );
    }
}
 
void ditherExample(Rect * rect,int item )
{
    #pragma unused(rect)
    int     ditherMode;
    
    /* This function shows an example of using copybits with the dithering. */
    
    resetItems();
    settings.dItem = item;
    
    ditherMode = setDitherMode( item );
    
    CopyBits( (BitMap *)(*(GetPortPixMap(gGWorld))), GetPortBitMapForCopyBits(GetWindowPort(gWindow)),
                &(**(GetPortPixMap(gGWorld))).bounds, rect, srcCopy + ditherMode, nil );
}
 
int setDitherMode(int item)
{
    if (item == 1)
        return 0;
    else
        return ditherCopy;
}
 
void mappingExample(Rect * rect, int    item )
{
    int         i;
    GWorldPtr   gworld;
    CTabHandle  ictable;
    Rect        tempRect1;
    
    resetItems();
    settings.mItem = item;
    
    if (item == 1)
        CopyBits( (BitMap *)(*(GetPortPixMap(gGWorld))), GetPortBitMapForCopyBits(GetWindowPort(gWindow)),
                &((**(GetPortPixMap(gGWorld))).bounds), rect, srcCopy, nil );
    else if (item == 2)
    {
        ColorSearchUPP searchProcUPP = NewColorSearchUPP(searchProc);
        AddSearch(searchProcUPP);
        
        CopyBits( (BitMap *)(*(GetPortPixMap(gGWorld))), GetPortBitMapForCopyBits(GetWindowPort(gWindow)),
                &((**(GetPortPixMap(gGWorld))).bounds), rect, srcCopy, nil );
        
        DelSearch(searchProcUPP);
    }
    else if (item == 3)
    {
        NewGWorld( &gworld, 8, GetPortBounds(gGWorld, &tempRect1), GetCTable( 8 + 64 ), nil, 0 );
        
        CopyBits( (BitMap *)(*(GetPortPixMap(gGWorld))), (BitMap *)(*(GetPortPixMap(gworld))),
                    &((**(GetPortPixMap(gGWorld))).bounds), &((**(GetPortPixMap(gworld))).bounds), 
                    srcCopy, nil );
        
        ictable = GetCTable( 8 );
        
        for (i = 0; i <= (**(**(GetPortPixMap(gworld))).pmTable).ctSize; i++)
            (**(**(GetPortPixMap(gworld))).pmTable).ctTable[i].rgb =
                    (**ictable).ctTable[255 - i].rgb;
        
        (**(**(GetPortPixMap(gworld))).pmTable).ctSeed = 67;
        
        CopyBits( (BitMap *)(*(GetPortPixMap(gworld))), GetPortBitMapForCopyBits(GetWindowPort(gWindow)),
            &(**(GetPortPixMap(gworld))).bounds, rect, srcCopy, nil );
        
        DisposeGWorld( gworld );
    }
}
 
pascal Boolean searchProc( RGBColor * color, long       *position )
{
    #pragma unused(position)
    (*color).red = 0;
    
    return false;
}
 
void paintBucketExample(Rect *rect, int exampleItem, Point point )
{
    #pragma unused(exampleItem)
    GrafPtr     mask;
    Point       newPoint;
    GWorldPtr   gworld;
    Rect        tempRect1;
    
    resetItems();
 
    newPoint.h = point.h - 20;
    newPoint.v = point.v - 37;
 
    tempRect1 = (**(GetPortPixMap(gGWorld))).bounds;
    if (newPoint.h < 0 || newPoint.v < 0 ||
        newPoint.h > tempRect1.right - tempRect1.left ||
        newPoint.v > tempRect1.bottom - tempRect1.top)
        return;
    mask = CreateGrafPort(GetPortBounds(gGWorld, &tempRect1));
    
    ForeColor( redColor );
    MoveTo( point.h - 2, point.v );
    LineTo( point.h + 2, point.v );
    MoveTo( point.h, point.v - 2 );
    LineTo( point.h, point.v + 2 );
 
    ForeColor( blackColor );
 
    NewGWorld( &gworld, 8, GetPortBounds(gGWorld, &tempRect1), GetCTable( 8 + 64 ), nil, 0 );
        
    CopyBits( (BitMap *)(*(GetPortPixMap(gGWorld))), (BitMap *)(*(GetPortPixMap(gworld))),
                    &((**(GetPortPixMap(gGWorld))).bounds), &((**(GetPortPixMap(gworld))).bounds), 
                    srcCopy, nil );
    
    SeedCFill( (BitMap *)(*(GetPortPixMap(gworld))), GetPortBitMapForCopyBits(mask),
                &((**(GetPortPixMap(gworld))).bounds), GetPortBounds(mask, &tempRect1),
                newPoint.h, newPoint.v, nil, 0 );
 
    CopyMask( (BitMap *)(*(GetPortPixMap(gworld))), GetPortBitMapForCopyBits(mask), GetPortBitMapForCopyBits(GetWindowPort(gWindow)),
                &(**(GetPortPixMap(gworld))).bounds, GetPortBounds(mask, &tempRect1), rect );
    
    DisposeGrafPort( mask );
}
 
void lassoToolExample(Rect  * rect, int exampleItem,Rect *frame )
{
    #pragma unused(exampleItem,frame)
    GrafPtr     mask;
    RGBColor    color;
    CGrafPtr    currentPort;
    GDHandle    currentDevice;
    Rect        tempRect1;
    
    pascal Boolean matchProc();
    
    resetItems();
 
    mask = CreateGrafPort(GetPortBounds(gGWorld, &tempRect1));
 
    GetGWorld( &currentPort, &currentDevice );
    SetGWorld( gGWorld, nil );
    
    color.red = color.green = color.blue = 0;
    
    CalcCMask( (BitMap *)(*(GetPortPixMap(gGWorld))),GetPortBitMapForCopyBits(mask),
                &(**(GetPortPixMap(gGWorld))).bounds, GetPortBounds(mask, &tempRect1),
                &color, NewColorSearchUPP(matchProc), 0 );
    
    
    SetGWorld( currentPort, currentDevice );
    
    CopyMask( (BitMap *)(*(GetPortPixMap(gGWorld))), GetPortBitMapForCopyBits(mask), GetPortBitMapForCopyBits(GetWindowPort(gWindow)),
                &(**(GetPortPixMap(gGWorld))).bounds, GetPortBounds(mask, &tempRect1), rect );
    
    DisposeGrafPort( mask );
}
 
pascal Boolean matchProc(RGBColor *color, long      *position )
{   
    GDHandle    currDevice;
    MatchRec    *matchInfo;
    
    currDevice = GetGDevice();
    matchInfo = (MatchRec *)(**currDevice).gdRefCon;
 
    if (matchInfo->red == color->red && matchInfo->green == color->green &&
        matchInfo->blue == color->blue)
        *position = 0;
    else
        *position = 1;
        
    return true;
}
 
void pixelAverageExample(Rect   *rect, int   item )
{
    #pragma unused(item)
    Rect        bounds;
    GWorldPtr   gworld;
    GWorldPtr   source;
    Rect        tempRect1;
    
    resetItems();
    
    /* Create 8-bit gworld from 32-bit original. */
    
    NewGWorld( &source, 8, GetPortBounds(gGWorld, &tempRect1), GetCTable( 8 + 64 ), nil, 0 );
    CopyBits( (BitMap *)(*(GetPortPixMap(gGWorld))), (BitMap *)(*(GetPortPixMap(source))),
                    &((**(GetPortPixMap(gGWorld))).bounds), &((**(GetPortPixMap(source))).bounds), 
                    srcCopy, nil );
    
    /* Create another 8-bit gworld at quarter size of original. */
                
    GetPortBounds(gGWorld, &tempRect1);
    SetRect( &bounds, 0, 0, tempRect1.right / 4,
                tempRect1.bottom / 4);
    
    NewGWorld( &gworld, 8, &bounds, GetCTable( 8 + 64 ), nil, 0 );
 
    /* Copy the 8-bit original to 8-bit quarter image without pixel averaging. */
    
    GetPortBounds(source, &bounds);
    
    CopyBits( (BitMap *)(*(GetPortPixMap(source))), (BitMap *)(*(GetPortPixMap(gworld))),
                    &((**(GetPortPixMap(source))).bounds), &((**(GetPortPixMap(gworld))).bounds), 
                    srcCopy, nil );
    
    /* Copy the quarter image to screen. */
    
    OffsetRect( &bounds, 20, 37 );
    CopyBits( (BitMap *)(*(GetPortPixMap(gworld))), GetPortBitMapForCopyBits(GetWindowPort(gWindow)),
            &(**(GetPortPixMap(gworld))).bounds, &bounds, srcCopy, nil );
    
    /* Now, copy the 8-bit original to 8-bit quarter image with pixel averaging. */
    
    GetPortBounds(source, &bounds);
    
    CopyBits( (BitMap *)(*(GetPortPixMap(source))), (BitMap *)(*(GetPortPixMap(gworld))),
                    &((**(GetPortPixMap(source))).bounds), &((**(GetPortPixMap(gworld))).bounds), 
                    srcCopy + ditherCopy, nil );
    
    /* Finally, copy pixel averaged quarter image to screen. */
            
    OffsetRect( &bounds, (*rect).left, (*rect).top );
    CopyBits( (BitMap *)(*(GetPortPixMap(gworld))), GetPortBitMapForCopyBits(GetWindowPort(gWindow)),
            &(**(GetPortPixMap(gworld))).bounds, &bounds, srcCopy, nil );
    
    DisposeGWorld( source );
    DisposeGWorld( gworld );
}
 
void customExample(Rect * rect,int  item )
{
    #pragma unused(item)
    int         transferMode;
    int         ditherMode;
    RGBColor    color;
    ColorSearchUPP searchProcUPP = NewColorSearchUPP(searchProc);
        
    transferMode = setTransferMode( settings.tItem );
    ditherMode = setDitherMode( settings.dItem );
    
    if (settings.cItem == 1)
    {
        ForeColor( blackColor );
        BackColor( whiteColor );
    }
    else if (settings.cItem == 2)
    {
        ForeColor( whiteColor );
        BackColor( blackColor );
    }
    else if (settings.cItem == 3)
    {
        color.green = 0xffff;
        color.red = color.blue = 0;
        RGBForeColor( &color );
        BackColor( whiteColor );
    }
    else if (settings.cItem == 4)
    {
        color.green = 0xffff;
        color.red = color.blue = 0;
        ForeColor( blackColor );
        RGBBackColor( &color );
    }
    
    
    if (settings.mItem == 2)
        AddSearch(searchProcUPP);
    
    CopyBits( (BitMap *)(*(GetPortPixMap(gGWorld))), GetPortBitMapForCopyBits(GetWindowPort(gWindow)),
                &(**(GetPortPixMap(gGWorld))).bounds, rect,
                transferMode + ditherMode, nil );
                
    if (settings.mItem == 2)
        DelSearch(searchProcUPP);
}
 
GrafPtr CreateGrafPort( Rect *bounds )  /* CreateGrafPort originally written by Forrest Tanaka. */
{
    GrafPtr savedPort;      /* Saved GrafPtr for later restore. */
    GrafPtr newPort;        /* New GrafPort. */
    Rect    localBounds;    /* Local copy of bounds. */
    RgnHandle       rgnHandle = NewRgn();   // Used for carbonization
 
    GetPort( &savedPort );
 
    localBounds = *bounds;
    OffsetRect( &localBounds, -bounds->left, -bounds->top );
 
    newPort = CreateNewPort();
    
    if (newPort != nil)
    {
        SetPort( newPort);
 
        (*(GetPortPixMap(newPort)))->bounds = localBounds;
        (*(GetPortPixMap(newPort)))->rowBytes = ((localBounds.right + 15) >> 4) <<1;
        (*(GetPortPixMap(newPort)))->baseAddr = NewPtrClear(GetPortBitMapForCopyBits(newPort)->rowBytes *
                                                        (long)localBounds.bottom );
        
        if (GetPortBitMapForCopyBits(newPort)->baseAddr != nil)
        {
            SetPortBounds(newPort, &localBounds);
            ClipRect( &localBounds );
            RectRgn( GetPortVisibleRegion(newPort, rgnHandle), &localBounds );
            EraseRect( &localBounds );
        }
        else
        {
            DisposePort( newPort );
            newPort = nil;
        }
    }
    
    DisposeRgn(rgnHandle);
    SetPort( savedPort );
    return newPort;
}
 
void DisposeGrafPort( GrafPtr doomedPort )  /* DisposeGrafPort originally written by Forrest Tanaka. */
{
    DisposePtr( GetPortBitMapForCopyBits(doomedPort)->baseAddr );
    DisposePort( doomedPort );
}


Copyright © 2003 Apple Computer, Inc. All Rights Reserved. Terms of Use | Privacy Policy | Updated: 2003-10-27