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.
6. Animation/CGApp/utils.m
/* |
File: utils.m |
Description: Quartz 2D early bird sample from WWDC 2001 |
Author: DH |
Copyright: © Copyright 2000 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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(INCLUDING NEGLIGENCE), STRICT LIABILITY OR OTHERWISE, EVEN IF APPLE HAS BEEN |
ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
Change History (most recent first): |
*/ |
#include <ApplicationServices/ApplicationServices.h> |
#include <Cocoa/Cocoa.h> |
#include "utils.h" |
void getMouseLocation(CGPoint *loc) |
{ |
//CGSGetWindowMouseLocation([NSApp contextID], |
// [[NSApp mainWindow] windowNumber], &pt); |
NSPoint pt; |
pt = [[NSApp mainWindow] mouseLocationOutsideOfEventStream]; |
loc->x = pt.x; |
loc->y = pt.y; |
} |
void getBitmap(char* filename, BitmapStruct* bitmap) |
{ |
NSString *file; |
NSData *data; |
NSBitmapImageRep *bmi; |
file = [NSString stringWithCString:filename]; |
data = [NSData dataWithContentsOfMappedFile:file]; |
bmi = [[NSBitmapImageRep alloc] initWithData:data]; |
if (bmi == nil) { |
printf("cannot read from file\n"); |
return; |
} |
if ([bmi isPlanar]) { |
printf("planar bitmap format not supported.\n"); |
return; |
} |
bitmap->w = [bmi pixelsWide]; |
bitmap->h = [bmi pixelsHigh]; |
bitmap->bitsPerPixel = [bmi bitsPerPixel]; |
bitmap->bitsPerComponent = [bmi bitsPerSample]; |
bitmap->bytesPerRow = [bmi bytesPerRow]; |
bitmap->reserved = bmi; |
bitmap->bits = [bmi bitmapData]; |
} |
void releaseBitmap(BitmapStruct* bitmap) |
{ |
NSBitmapImageRep *bmi; |
bmi = (NSBitmapImageRep *)bitmap->reserved; |
if (bitmap && bmi) |
[bmi release]; |
} |
CFURLRef get_url(const char *filename) |
{ |
CFURLRef url; |
CFStringRef path; |
path = CFStringCreateWithCString(NULL, filename, kCFStringEncodingUTF8); |
if (path == NULL) { |
printf("can't create CFString."); |
exit(0); |
} |
url = CFURLCreateWithFileSystemPath(NULL, path, kCFURLPOSIXPathStyle, 0); |
CFRelease(path); |
if (url == NULL) { |
printf("can't create CFURL."); |
exit(0); |
} |
return url; |
} |
CGPDFDocumentRef getPDFDocumentRef(char *filename) |
{ |
CFStringRef path; |
CFURLRef url; |
CGPDFDocumentRef document; |
size_t count; |
path = CFStringCreateWithCString(NULL, filename, kCFStringEncodingUTF8); |
url = CFURLCreateWithFileSystemPath(NULL, path, kCFURLPOSIXPathStyle, 0); |
CFRelease(path); |
if (url == NULL) { |
printf("can't create CFURL."); |
exit(0); |
} |
document = CGPDFDocumentCreateWithURL(url); |
CFRelease(url); |
if (document == NULL) { |
printf("can't open `%s'.", filename); |
exit(0); |
} |
count = CGPDFDocumentGetNumberOfPages(document); |
if (count == 0) { |
printf("`%s' needs at least one page!", filename); |
exit(0); |
} |
return document; |
} |
Copyright © 2003 Apple Computer, Inc. All Rights Reserved. Terms of Use | Privacy Policy | Updated: 2003-01-14