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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/1999/REC-html401-19991224/loose.dtd">
<html>
<head>
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<title>ATSUICurveAccessDemo - /main.c</title>
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<td><img width="340" height="10" src="images/1dot.gif" alt=""></td>
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<td align="left" colspan="2">
<a href="http://developer.apple.com/">ADC Home</a> > <a href="../../referencelibrary/index.html">Reference Library</a> > <a href="../../samplecode/index.html">Sample Code</a> > <a href="../../samplecode/Carbon/index.html">Carbon</a> > <a href="../../samplecode/Carbon/idxTextFonts-date.html">Text & Fonts</a> > <A HREF="javascript:location.replace('index.html');">ATSUICurveAccessDemo</A> >
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<table width="680" border="0" cellpadding="0" cellspacing="0">
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<td><h1><div id="pagehead">ATSUICurveAccessDemo</div></h1></td>
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<td id="scdetails">
<h2>/main.c</h2>
<form name="scpopupmenu" onSubmit="return false;" method=post>
<p><strong>View Source Code:</strong>
<select name="gotop" onChange="JumpToNewPage();" style="width:340px"><option selected value="ingnore">Select File</option>
<option value="listing1.html">/atsui.c</option>
<option value="listing2.html">/atsui.h</option>
<option value="listing3.html">/cubic.c</option>
<option value="listing4.html">/cubic.h</option>
<option value="listing5.html">/fontmenu.c</option>
<option value="listing6.html">/fontmenu.h</option>
<option value="listing7.html">/globals.c</option>
<option value="listing8.html">/globals.h</option>
<option value="listing9.html">/main.c</option>
<option value="listing10.html">/main.h</option>
<option value="listing11.html">/overall.h</option>
<option value="listing12.html">/print.c</option>
<option value="listing13.html">/print.h</option>
<option value="listing14.html">/quadratic.c</option>
<option value="listing15.html">/quadratic.h</option>
<option value="listing16.html">/window.c</option>
<option value="listing17.html">/window.h</option></select>
</p>
</form>
<p><strong><a href="ATSUICurveAccessDemo.zip">Download Sample</a></strong> (“ATSUICurveAccessDemo.zip”, 105.6K)<BR>
<strong><a href="ATSUICurveAccessDemo.dmg">Download Sample</a></strong> (“ATSUICurveAccessDemo.dmg”, 157.6K)</p>
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<!--googleon: index -->
<pre class="sourcecodebox">/*
File: main.c
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
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.
Copyright © 2002 Apple Computer, Inc., All Rights Reserved
*/
#include "globals.h"
#include "window.h"
#include "print.h"
#include "fontmenu.h"
#include "atsui.h"
#include "main.h"
// Main entry point. Sets things up, then runs the event loop
//
int main(int argc, char* argv[])
{
char startingFontName[] = "Geneva";
int startingFontSize = 48;
ATSUFontID font;
OSStatus err = noErr;
// Set up the menubar and main window
err = SetupMenuAndWindow();
require_noerr( err, CantDoSetup );
// Make sure we are using the right CG and ATSUI calls
CheckAPIAvailability();
// ********** Create the ATSUI data and draw it for the first time **********
//
verify_noerr( ATSUFindFontFromName(startingFontName, strlen(startingFontName), kFontFullName, kFontNoPlatform, kFontNoScript, kFontNoLanguage, &font) );
verify( FindAndSelectFont(font) );
SetATSUIStuffFont(font);
SetATSUIStuffFontSize(Long2Fix(startingFontSize));
SetUpATSUIStuff();
DrawATSUIStuff(GetWindowPort(gWindow));
// Call the event loop
RunApplicationEventLoop();
CantDoSetup:
return err;
}
// Checks to see if:
// - QDBeginCGContext / QDEndCGContext are available (vs. CreateCGContextForPort)
// - ATSUI Direct Access APIs are available (vs. GlyphInfoArray APIs)
//
// Sets global flags to indicate the result.
//
void CheckAPIAvailability(void)
{
long response;
// These globals were already initialized to false in globals.c,
// so we only need to change their value in the true case.
// The QDBeginCGContext / QDEndCGContext APIs were introduced in 0x0310 (Quickdraw version from Mac OS X 10.1)
verify_noerr( Gestalt(gestaltQuickdrawVersion, &response) );
if ( (response & 0x0000FFFF) >= 0x00000310 ) gNewCG = true;
// The Direct Access ATSUI APIs have a constant that can be used with the ATSUI features gestalt selector
verify_noerr( Gestalt(gestaltATSUFeatures, &response) );
if ( response & gestaltATSUDirectAccess ) gHaveDirectAccess = true;
// NOTE
// ----
// Never check the overall system version for a specific feature. Always check the specific
// gestalt selector for that component. gestaltSystemVersion is not for specific APIs.
}
// Creates the menu bar and window, then installs proper event handlers for them
//
OSStatus SetupMenuAndWindow(void)
{
IBNibRef nibRef;
EventHandlerUPP handlerUPP;
EventTypeSpec eventType;
OSStatus err;
// Create a Nib reference passing the name of the nib file (without the .nib extension)
// CreateNibReference only searches into the application bundle.
err = CreateNibReference(CFSTR("main"), &nibRef);
require_noerr( err, CantGetNibRef );
// Once the nib reference is created, set the menu bar. "MainMenu" is the name of the menu bar
// object. This name is set in InterfaceBuilder when the nib is created.
err = SetMenuBarFromNib(nibRef, CFSTR("MenuBar"));
require_noerr( err, CantSetMenuBar );
// Install the font menu
err = InstallFontMenu(kFontMenuID);
require_noerr( err, CantCreateFontMenu );
// Then create a window. "MainWindow" is the name of the window object. This name is set in
// InterfaceBuilder when the nib is created.
err = CreateWindowFromNib(nibRef, CFSTR("MainWindow"), &gWindow);
require_noerr( err, CantCreateWindow );
// We don't need the nib reference anymore.
DisposeNibReference(nibRef);
// The window was created hidden, so show it.
ShowWindow(gWindow);
// Install a handler to quit the application when the window is closed
eventType.eventClass = kEventClassWindow;
eventType.eventKind = kEventWindowClose;
handlerUPP = NewEventHandlerUPP(DoWindowClose); // DoWindowClose() is defined in window.c
verify_noerr( InstallWindowEventHandler(gWindow, handlerUPP, 1, &eventType, NULL, NULL) );
// Install a handler to draw the contents of the window
eventType.eventClass = kEventClassWindow;
eventType.eventKind = kEventWindowBoundsChanged;
handlerUPP = NewEventHandlerUPP(DoWindowBoundsChanged); // DoWindowBoundsChanged() is defined in window.c
verify_noerr( InstallWindowEventHandler(gWindow, handlerUPP, 1, &eventType, NULL, NULL) );
// Install a handler for command events
eventType.eventClass = kEventClassCommand;
eventType.eventKind = kEventCommandProcess;
handlerUPP = NewEventHandlerUPP(DoCommandEvent); // DoCommandEvent() is defined below
verify_noerr( InstallApplicationEventHandler(NewEventHandlerUPP(DoCommandEvent), 1, &eventType, NULL, NULL) );
// Set up the global print session
verify_noerr( InitializePrinting() );
CantCreateWindow:
CantCreateFontMenu:
CantSetMenuBar:
CantGetNibRef:
return err;
}
// Handles command and menu events
//
pascal OSStatus DoCommandEvent(EventHandlerCallRef nextHandler, EventRef theEvent, void *userData)
{
HICommand theCommand;
UInt32 theCommandID;
MenuRef theMenu;
MenuItemIndex theItem;
FMFont font;
OSStatus status = eventNotHandledErr;
Boolean needsRedrawing = false;
// Get the HICommand from the event structure, then get the menu reference and item out of that
verify_noerr( GetEventParameter(theEvent, kEventParamDirectObject, typeHICommand, NULL, sizeof(HICommand), NULL, &theCommand) );
theCommandID = theCommand.commandID;
theMenu = theCommand.menu.menuRef;
theItem = theCommand.menu.menuItemIndex;
if ( GetMenuID(theMenu) >= kFontMenuID ) { // Handle font menu
font = SelectAndGetFont(theMenu, theItem);
SetATSUIStuffFont(font);
UpdateATSUIStyle();
needsRedrawing = true;
status = noErr;
}
else if ( (theCommandID >> 24) == 'Z' ) { // Handle font size menu
UInt32 numericalBits;
char string[5];
// The last three bytes of the CommandID are an ASCII representation of the font size
numericalBits = theCommandID & 0x00FFFFFF;
memcpy(string, &numericalBits, sizeof(UInt32));
string[0] = '0';
string[4] = 0x00;
SetATSUIStuffFontSize(Long2Fix(atoi(string)));
UpdateATSUIStyle();
// Update the menu
verify_noerr( SetMenuCommandMark(NULL, gCurrentFontSizeCommandID, kMenuNoMark) );
verify_noerr( SetMenuCommandMark(NULL, theCommandID, kMenuCheckMark) );
gCurrentFontSizeCommandID = theCommandID;
needsRedrawing = true;
status = noErr;
}
else switch (theCommandID) { // Handle other menu commands
case 'OPT1':
gUseCG = ( ! gUseCG );
CheckMenuItem(theMenu, theItem, gUseCG);
if ( gUseCG ) {
DisableMenuCommand(NULL, 'OPT2'); // Disable AnimateQDSegments option if CG is used
}
else {
EnableMenuCommand(NULL, 'OPT2'); // Enable AnimateQDSegments option if CG is not used
}
status = noErr;
needsRedrawing = true;
break;
case 'OPT2':
gAnimateQDSegments = ( ! gAnimateQDSegments );
CheckMenuItem(theMenu, theItem, gAnimateQDSegments);
status = noErr;
needsRedrawing = true;
break;
case 'OPT3':
gFilterDegenerates = ( ! gFilterDegenerates );
CheckMenuItem(theMenu, theItem, gFilterDegenerates);
status = noErr;
needsRedrawing = true;
break;
case 'DBG1':
gOutputCurveType = ( ! gOutputCurveType );
CheckMenuItem(theMenu, theItem, gOutputCurveType);
status = noErr;
needsRedrawing = true;
break;
case 'DBG2':
gOutputNumSegments = ( ! gOutputNumSegments );
CheckMenuItem(theMenu, theItem, gOutputNumSegments);
status = noErr;
needsRedrawing = true;
break;
case 'DBG3':
gOutputNumOps = ( ! gOutputNumOps );
CheckMenuItem(theMenu, theItem, gOutputNumOps);
status = noErr;
needsRedrawing = true;
break;
case kHICommandPageSetup:
verify_noerr( DoPageSetupDialog() );
status = noErr;
needsRedrawing = true;
break;
case kHICommandPrint:
status = DoPrintDialog();
if ( status == noErr ) {
DoPrintLoop();
}
else if ( status != kPMCancel ) {
check_string( (status == noErr), "DoPrintDialog returned an error" );
}
status = noErr;
needsRedrawing = true;
break;
}
// Redraw if necessary
if (needsRedrawing) DrawATSUIStuff(GetWindowPort(gWindow));
return status;
}</pre>
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