/*

File: CopyBitsSpeedPalette.c

Contains: This program demostrates ways to increase copybits speed when using palettes.

Written by: JW

Copyright: Copyright © 1991-1999 by Apple Computer, Inc., All Rights Reserved.

You may incorporate this Apple sample source code into your program(s) without

restriction. This Apple sample source code has been provided "AS IS" and the

responsibility for its operation is yours. You are not permitted to redistribute

this Apple sample source code as "Apple sample source code" after having made

changes. If you're going to re-distribute the source, we require that you make

it clear in the source that the code was descended from Apple sample source

code, but that you've made changes.

Change History (most recent first):

08/2000 JM Carbonized, non-Carbon code is commented out

for demonstration purposes.

7/9/1999 KG Updated for Metrowerks Codewarror Pro 2.1

*/

#ifdef __MWERKS__

// includes for MetroWerks CodeWarrior

#include "CarbonPrefix.h"

#include <Dialogs.h>

#include <Resources.h>

#include <Menus.h>

#include <Devices.h>

#include <ToolUtils.h>

//#include <GestaltEqu.h>

#include <Gestalt.h>

#include <Palettes.h>

#include <QDOffscreen.h>

#include <Processes.h>

#include <OSUtils.h>

#else

#ifdef __APPLE_CC__

// includes for ProjectBuilder

#include <Carbon/Carbon.h>

#else

// includes for MPW

#include <Carbon.h>

#endif

#endif

#define Gestalttest 0xA1AD

#define NoTrap 0xA89F

#define appleID 128

#define appleMenu 0

#define aboutMeCommand 1

#define fileID 129

#define quitCommand 1

#define PictID 128

#define clutID 150

#define aboutMeDLOG 128

#define okButton 1

#ifndef topLeft

#define topLeft(r) (((Point *) &(r))[0])

#endif

#ifndef botRight

#define botRight(r) (((Point *) &(r))[1])

#endif

/*------------------------------------------------------*/

/* Global Variables. */

/*------------------------------------------------------*/

Rect TotalRect, minRect, WinMinusScroll, InitWindowSize;

WindowPtr myWindow;

CTabHandle mycolors;

PaletteHandle srcPalette;

Boolean DoneFlag;

MenuHandle mymenu0, mymenu1;

PicHandle ThePict;

GWorldPtr offscreenGWorld;

//enum PointSelector {topLeft, botRight};

void draw();

void doCommand(long mResult);

void showAboutMeDialog();

void init();

/*------------------------------------------------------*/

/* showAboutMeDialog(). */

/*------------------------------------------------------*/

void showAboutMeDialog()

{

GrafPtr savePort;

DialogPtr theDialog;

short itemHit;

GetPort(&savePort);

theDialog = GetNewDialog(aboutMeDLOG, nil, (WindowPtr) -1);

//SetPort(theDialog);

SetPortDialogPort(theDialog);

do {

ModalDialog(nil, &itemHit);

} while (itemHit != okButton);

//CloseDialog(theDialog);

DisposeDialog(theDialog);

SetPort(savePort);

return;

}

/*------------------------------------------------------*/

/* init(). */

/*------------------------------------------------------*/

void init()

{

RgnHandle tempRgn;

Rect BaseRect;

OSErr err;

long QDfeature/*, OSfeature*/;

GDHandle SaveGD;

CGrafPtr SavePort;

/* Initialize Managaer. */

//InitGraf(&qd.thePort);

//InitWindows();

//InitDialogs(nil);

InitCursor();

FlushEvents(everyEvent, 0);

/* Set up menus. */

mymenu0 = GetMenu(appleID);

//AppendResMenu(mymenu0, 'DRVR');

InsertMenu(mymenu0,0);

mymenu1 = GetMenu(fileID);

InsertMenu(mymenu1,0);

DrawMenuBar();

DoneFlag = false;

ThePict = GetPicture(PictID);

if (ThePict == nil)

DoneFlag = true;

/* Use Gestalt to find is QuickDraw is avaiable. */

/*if ((GetOSTrapAddress(Gestalttest) != GetOSTrapAddress(NoTrap))) {

err = Gestalt(gestaltQuickdrawVersion, &QDfeature);

if (err)

DoneFlag = true;

err = Gestalt(gestaltSystemVersion, &OSfeature);

if (err)

DoneFlag = true;

if (!DoneFlag && (QDfeature & 0x0f00) != 0x0200 && OSfeature < 0x0605)

DoneFlag = true;

}

else

DoneFlag = true;*/

err = Gestalt(gestaltQuickdrawVersion, &QDfeature);

if (err != noErr || QDfeature < gestalt32BitQD)

DoneFlag = true;

/* Set Rects. */

SetRect(&BaseRect, 40, 60, 472, 282);

SetRect(&WinMinusScroll, BaseRect.left-40, BaseRect.top-60, BaseRect.right-60,

BaseRect.bottom - 80);

SetRect(&InitWindowSize, WinMinusScroll.left, WinMinusScroll.top,

WinMinusScroll.right, WinMinusScroll.bottom);

tempRgn = GetGrayRgn();

HLock ((Handle) tempRgn);

//TotalRect = (**tempRgn).rgnBBox;

GetRegionBounds(tempRgn, &TotalRect);

/*SetRect(&minRect, 80, 80, (**tempRgn).rgnBBox.right - 40,

(**tempRgn).rgnBBox.bottom - 40);*/

SetRect(&minRect, 80, 80, TotalRect.right - 40, TotalRect.bottom - 40);

HUnlock ((Handle) tempRgn);

/* Open window and set up picture. */

GetGWorld (&SavePort, &SaveGD);

mycolors = GetCTable (clutID);

(*mycolors)->ctFlags |= 0x4000;

myWindow = NewCWindow(nil, &BaseRect, (ConstStr255Param)"", true, zoomDocProc,

(WindowPtr) -1, true, 150);

SetGWorld(GetWindowPort(myWindow), SaveGD);

DrawGrowIcon (myWindow);

srcPalette = NewPalette (((**mycolors).ctSize)+1, mycolors,

pmTolerant + pmExplicit + pmAnimated, 0);

SetPalette ((WindowPtr) myWindow, srcPalette, true);

GetGWorld (&SavePort, &SaveGD);

err = NewGWorld (&offscreenGWorld, 8, &InitWindowSize, mycolors, nil, 0);

if (err)

Debugger();

SetGWorld (offscreenGWorld, nil);

EraseRect (&InitWindowSize);

DrawPicture (ThePict, &InitWindowSize);

SetGWorld (SavePort, SaveGD);

}

/*------------------------------------------------------*/

/* doCommand(). */

/*------------------------------------------------------*/

void doCommand(mResult)

long mResult;

{

int theMenu, theItem;

//Str255 daName;

//GrafPtr savePort;

theItem = LoWord(mResult);

theMenu = HiWord(mResult);

switch (theMenu) {

case appleID:

if (theItem == aboutMeCommand)

showAboutMeDialog();

else {

/*GetMenuItemText(mymenu0, theItem, daName);

GetPort(&savePort);

(void) OpenDeskAcc((ConstStr255Param)daName);

SetPort(savePort);*/

}

break;

case fileID:

switch (theItem) {

case quitCommand:

DoneFlag = true;

break;

default:

break;

}

break;

}

HiliteMenu(0);

return;

}

/*------------------------------------------------------*/

/* draw. */

/*------------------------------------------------------*/

void draw()

{

RGBColor black = {0,0,0}, White = {65535,65535,65535};

long before, delay;

//char theString[255];

GDHandle screensDevice;

Rect area;

RGBForeColor (&black);

RGBBackColor (&White);

SetPortWindowPort(myWindow);

EraseRect(&WinMinusScroll);

/* This is the only change made to support a faster copybits on one screen.

ctFlags is still set above. */

area = WinMinusScroll;

/*LocalToGlobal(topLeft);

LocalToGlobal((Point*)botRight);*/

LocalToGlobal(&topLeft(area));

LocalToGlobal(&botRight(area));

screensDevice = GetMaxDevice(&area);

if (screensDevice != nil)

//(**(**offscreenGWorld->portPixMap).pmTable).ctSeed = (**(**(**screensDevice).gdPMap).pmTable).ctSeed;

(**(**(GetPortPixMap(offscreenGWorld))).pmTable).ctSeed = (**(**(**screensDevice).gdPMap).pmTable).ctSeed;

/*CopyBits ((BitMap *) *offscreenGWorld->portPixMap, &myWindow->portBits,

&InitWindowSize, &WinMinusScroll, srcCopy, nil);*/

CopyBits ((BitMap *) *(GetPortPixMap(offscreenGWorld)), GetPortBitMapForCopyBits(GetWindowPort(myWindow)),

&InitWindowSize, &WinMinusScroll, srcCopy, nil);

EraseRect(&WinMinusScroll);

/*CopyBits ((BitMap *) *offscreenGWorld->portPixMap, &myWindow->portBits,

&InitWindowSize, &WinMinusScroll, srcCopy, nil);*/

CopyBits ((BitMap *) *(GetPortPixMap(offscreenGWorld)), GetPortBitMapForCopyBits(GetWindowPort(myWindow)),

&InitWindowSize, &WinMinusScroll, srcCopy, nil);

EraseRect(&WinMinusScroll);

/*CopyBits ((BitMap *) *offscreenGWorld->portPixMap, &myWindow->portBits,

&InitWindowSize, &WinMinusScroll, srcCopy, nil);*/

CopyBits ((BitMap *) *(GetPortPixMap(offscreenGWorld)), GetPortBitMapForCopyBits(GetWindowPort(myWindow)),

&InitWindowSize, &WinMinusScroll, srcCopy, nil);

EraseRect(&WinMinusScroll);

/*CopyBits ((BitMap *) *offscreenGWorld->portPixMap, &myWindow->portBits,

&InitWindowSize, &WinMinusScroll, srcCopy, nil);*/

CopyBits ((BitMap *) *(GetPortPixMap(offscreenGWorld)), GetPortBitMapForCopyBits(GetWindowPort(myWindow)),

&InitWindowSize, &WinMinusScroll, srcCopy, nil);

EraseRect(&WinMinusScroll);

before = TickCount();

/*CopyBits ((BitMap *) *offscreenGWorld->portPixMap, &myWindow->portBits,

&InitWindowSize, &WinMinusScroll, srcCopy, nil);*/

CopyBits ((BitMap *) *(GetPortPixMap(offscreenGWorld)), GetPortBitMapForCopyBits(GetWindowPort(myWindow)),

&InitWindowSize, &WinMinusScroll, srcCopy, nil);

delay = TickCount() - before;

/* DebugStr("\PIt's me!!!"); */

}

/*------------------------------------------------------*/

/* main(). */

/*------------------------------------------------------*/

main()

{

char key;

Boolean track;

long growResult;

EventRecord myEvent;

WindowPtr whichWindow;

int yieldTime;

Rect tempRect1;

init();

yieldTime = 0;

for ( ;; ) {

if (DoneFlag)

ExitToShell();

if (WaitNextEvent(everyEvent, &myEvent, yieldTime, nil)) {

switch (myEvent.what) {

case mouseDown:

switch (FindWindow(myEvent.where, &whichWindow)) {

case inSysWindow:

//SystemClick(&myEvent, whichWindow);

break;

case inMenuBar:

doCommand(MenuSelect(myEvent.where));

break;

case inContent:

break;

case inDrag:

DragWindow (whichWindow, myEvent.where, &TotalRect);

draw();

DrawGrowIcon (whichWindow);

break;

case inGrow:

growResult = GrowWindow (whichWindow, myEvent.where,

&minRect);

SizeWindow(whichWindow, LoWord(growResult),

HiWord(growResult), true);

/*EraseRect(&whichWindow->portRect);

SetRect(&WinMinusScroll, whichWindow->portRect.left,

whichWindow->portRect.top,

whichWindow->portRect.right-20,

whichWindow->portRect.bottom - 20);*/

EraseRect(GetPortBounds(GetWindowPort(whichWindow), &tempRect1));

SetRect(&WinMinusScroll, tempRect1.left,

tempRect1.top,

tempRect1.right-20,

tempRect1.bottom - 20);

draw();

DrawGrowIcon (whichWindow);

break;

case inGoAway:

track = TrackGoAway (whichWindow, myEvent.where);

if (track) {

//CloseWindow (whichWindow);

DoneFlag = true;

}

break;

case inZoomIn:

track = TrackBox (whichWindow, myEvent.where, inZoomIn);

if (track) {

ZoomWindow (whichWindow, inZoomIn, true);

/*EraseRect(&whichWindow->portRect);

SetRect(&WinMinusScroll, whichWindow->portRect.left,

whichWindow->portRect.top,

whichWindow->portRect.right-20,

whichWindow->portRect.bottom - 20);*/

EraseRect(GetPortBounds(GetWindowPort(whichWindow), &tempRect1));

SetRect(&WinMinusScroll, tempRect1.left,

tempRect1.top,

tempRect1.right-20,

tempRect1.bottom - 20);

draw();

DrawGrowIcon (whichWindow);

}

break;

case inZoomOut:

track = TrackBox (whichWindow, myEvent.where, inZoomOut);

if (track) {

ZoomWindow (whichWindow, inZoomOut, true);

/*EraseRect(&whichWindow->portRect);

SetRect(&WinMinusScroll, whichWindow->portRect.left,

whichWindow->portRect.top,

whichWindow->portRect.right-20,

whichWindow->portRect.bottom - 20);*/

EraseRect(GetPortBounds(GetWindowPort(whichWindow), &tempRect1));

SetRect(&WinMinusScroll, tempRect1.left,

tempRect1.top,

tempRect1.right-20,

tempRect1.bottom - 20);

draw();

DrawGrowIcon (whichWindow);

}

break;

default:

break;

}

break;

case keyDown:

case autoKey:

key = myEvent.message & charCodeMask;

if ( myEvent.modifiers & cmdKey )

if ( myEvent.what == keyDown )

doCommand(MenuKey(key));

break;

case updateEvt:

if ((WindowPtr) myEvent.message == myWindow) {

BeginUpdate((WindowPtr) myWindow);

EndUpdate((WindowPtr) myWindow);

draw();

}

break;

case diskEvt:

break;

case activateEvt:

break;

case 15:

if ((myEvent.message << 31) == 0) {

yieldTime = 30;

}

else {

yieldTime = 0;

//SetPort((WindowPtr) myWindow);

SetPortWindowPort(myWindow);

}

break;

default:

break;

}

}

}

}