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