89 lines
2.0 KiB
Objective-C
89 lines
2.0 KiB
Objective-C
//
|
|
// cursors.m
|
|
// BoE
|
|
//
|
|
// Created by Celtic Minstrel on 03/06/09.
|
|
// Wrappers for NSCursor, based on an Apple example
|
|
//
|
|
|
|
#import <Cocoa/Cocoa.h>
|
|
#import "cursors.h"
|
|
NSAutoreleasePool *pool;
|
|
|
|
NSImage* ImageFromURL(CFURLRef url){
|
|
CGImageSourceRef imageSource = CGImageSourceCreateWithURL(url, NULL);
|
|
CGImageRef theImage = nil;
|
|
|
|
if(imageSource == nil) return nil;
|
|
|
|
theImage = CGImageSourceCreateImageAtIndex(imageSource, 0, NULL);
|
|
if(theImage == nil) return nil;
|
|
|
|
CFRelease( imageSource );
|
|
|
|
NSRect imageRect = NSMakeRect(0.0, 0.0, 0.0, 0.0);
|
|
|
|
// Get the image dimensions.
|
|
imageRect.size.height = CGImageGetHeight(theImage);
|
|
imageRect.size.width = CGImageGetWidth(theImage);
|
|
|
|
// Create a new image to receive the Quartz image data.
|
|
NSImage *newImage = [[NSImage alloc] initWithSize:imageRect.size];
|
|
[newImage lockFocus];
|
|
|
|
// Get the Quartz context and draw.
|
|
CGContextRef imageContext = (CGContextRef) [[NSGraphicsContext currentContext] graphicsPort];
|
|
CGContextDrawImage(imageContext, *(CGRect*)&imageRect, theImage);
|
|
[newImage unlockFocus];
|
|
|
|
return newImage;
|
|
}
|
|
|
|
CursorRef CreateCursorFromFile(const char* path, float hotSpotX, float hotSpotY){
|
|
FSRef ref;
|
|
FSPathMakeRef((UInt8*)path, &ref, NULL);
|
|
CFURLRef imgPath = CFURLCreateFromFSRef(NULL, &ref);
|
|
#if 0
|
|
static BOOL inited = NO;
|
|
if(!inited){
|
|
// TODO: Why is this here? Should I move it somewhere else?
|
|
NSApplicationLoad();
|
|
pool = [[NSAutoreleasePool alloc] init];
|
|
[[[NSWindow alloc] init] release];
|
|
inited = YES;
|
|
}
|
|
#endif
|
|
|
|
NSImage *img = ImageFromURL(imgPath);
|
|
NSCursor *cursor = [[NSCursor alloc] initWithImage:img hotSpot:NSMakePoint(hotSpotX, hotSpotY)];
|
|
[img release];
|
|
|
|
CursorRef theCursor = malloc(sizeof(CocoaCursor));
|
|
theCursor->ptr = cursor;
|
|
return theCursor;
|
|
}
|
|
|
|
void DisposeNSCursor(CursorRef cursor){
|
|
[(NSCursor*)cursor->ptr release];
|
|
free(cursor);
|
|
}
|
|
|
|
void SetNSCursor(CursorRef cursor){
|
|
[(NSCursor*)cursor->ptr set];
|
|
}
|
|
|
|
void SetNSCursorWatch() {
|
|
}
|
|
|
|
void HideNSCursor(){
|
|
[NSCursor hide];
|
|
}
|
|
|
|
void ShowNSCursor(){
|
|
[NSCursor unhide];
|
|
}
|
|
|
|
void CleanUp(){
|
|
// [pool release];
|
|
}
|