Retired Document
Important: This sample code may not represent best practices for current development. The project may use deprecated symbols and illustrate technologies and techniques that are no longer recommended.
JustDraw-QD.c
/* |
File: JustDraw-QD.c |
Version: 1.0 |
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 © 2005 Apple Computer, Inc., All Rights Reserved |
*/ |
#include <Carbon/Carbon.h> |
Boolean gUseQD = true; |
static void JustDrawSomething(CGContextRef ctx) |
{ |
// HIViews have set up the port for us, already - just draw! |
Str255 s = "\pHello World!"; |
if (gUseQD) |
{ |
MoveTo(0, 0); |
LineTo(100, 100); |
TextFont(kFontIDGeneva); |
TextSize(18); |
DrawString(s); |
} |
else // replace by Quartz! |
{ |
} |
} |
//---------------------------------------------------------------------------------------------- |
OSStatus DrawHandler(EventHandlerCallRef inHandlerCallRef, EventRef inEvent, void* inUserData) |
{ |
CGContextRef ctx; |
GetEventParameter( inEvent, kEventParamCGContextRef, typeCGContextRef, NULL, sizeof(CGContextRef), NULL, &ctx ); |
JustDrawSomething(ctx); |
return noErr; |
} |
//---------------------------------------------------------------------------------------------- |
int main(int argc, char* argv[]) |
{ |
IBNibRef nibRef; |
WindowRef window; |
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 ); |
// 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"), &window); |
require_noerr( err, CantCreateWindow ); |
// We don't need the nib reference anymore. |
DisposeNibReference(nibRef); |
/////////////////////////////////////////////////////////////////// |
// Install DrawHandler on contentView |
EventTypeSpec drawEvent = {kEventClassControl, kEventControlDraw}; |
HIViewRef contentView; |
HIViewFindByID( HIViewGetRoot(window), kHIViewWindowContentID, &contentView ); |
err = InstallEventHandler(HIViewGetEventTarget(contentView), DrawHandler, 1, &drawEvent, contentView, NULL); |
require_noerr( err, CantInstallHandler ); |
/////////////////////////////////////////////////////////////////// |
// The window was created hidden so show it. |
ShowWindow( window ); |
// Call the event loop |
RunApplicationEventLoop(); |
CantInstallHandler: |
CantCreateWindow: |
CantSetMenuBar: |
CantGetNibRef: |
return err; |
} |
Copyright © 2005 Apple Computer, Inc. All Rights Reserved. Terms of Use | Privacy Policy | Updated: 2005-06-01