src/MacOSX/EmulatorView.mm

/*
 *      EmulatorView.mm - Custom NSView for Basilisk II graphics output
 *
 *      $Id: EmulatorView.mm,v 1.2 2002/03/18 11:00:27 nigel Exp $
 *
 *  Basilisk II (C) 1997-2002 Christian Bauer
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

#import "sysdeps.h"                     // Types used in Basilisk C++ code,

#define DEBUG 0
#import <debug.h>

#import <Cocoa/Cocoa.h>

#import "main_macosx.h"         // For WarningAlert() et al prototypes
#import "misc_macosx.h"         // For InfoSheet() prototype
#import "video_macosx.h"        // For init_* globals, and bitmap drawing strategy

#import "EmulatorView.h"

@implementation EmulatorView


//
// Standard NSView methods that we override
//

- (id) initWithFrame: (NSRect) frameRect
{
        self = [super initWithFrame: frameRect];

        output = self;          // Set global for access by Basilisk C++ code
//      bitmap = nil;           // Set by readyToDraw:
        drawView = NO;          // Disable drawing until later

#ifdef SAVE_GSTATE
        [self allocateGState];
#endif

        return self;
}

- (void) dealloc
{
#ifdef SAVE_GSTATE
        [self releaseGState];
#endif
        [super dealloc];
}

// Mouse click in this window. If window is not active, should click be passed to this view?
- (BOOL) acceptsFirstMouse: (NSEvent *) event
{
        return [self mouseInView];
}


#include <adb.h>

static int prevFlags;

- (void) flagsChanged: (NSEvent *) event
{
        int     flags = [event modifierFlags];

        if ( (flags & NSAlphaShiftKeyMask) != (prevFlags & NSAlphaShiftKeyMask) )
                if ( flags & NSAlphaShiftKeyMask )
                        ADBKeyDown(0x39);       // CAPS_LOCK
                else
                        ADBKeyUp(0x39);

        if ( (flags & NSShiftKeyMask) != (prevFlags & NSShiftKeyMask) )
                if ( flags & NSShiftKeyMask )
                        ADBKeyDown(0x38);       // SHIFT_LEFT
                else
                        ADBKeyUp(0x38);

        if ( (flags & NSControlKeyMask) != (prevFlags & NSControlKeyMask) )
                if ( flags & NSControlKeyMask )
                        ADBKeyDown(0x36);       // CTL_LEFT
                else
                        ADBKeyUp(0x36);

        if ( (flags & NSAlternateKeyMask) != (prevFlags & NSAlternateKeyMask) )
                if ( flags & NSAlternateKeyMask )
                        ADBKeyDown(0x3a);       // OPTION_LEFT
                else
                        ADBKeyUp(0x3a);

        if ( (flags & NSCommandKeyMask) != (prevFlags & NSCommandKeyMask) )
                if ( flags & NSCommandKeyMask )
                        ADBKeyDown(0x37);       // APPLE_LEFT
                else
                        ADBKeyUp(0x37);

        prevFlags = flags;
}

- (BOOL) mouseInView: (NSEvent *) event
{
        NSPoint loc = [event locationInWindow];
        NSRect  box = [self frame];
        D(NSLog (@"%s - loc.x=%f, loc.y=%f, box.origin.x=%f, box.origin.y=%f",
                                __PRETTY_FUNCTION__, loc.x, loc.y, box.origin.x, box.origin.y));
        return [self mouse: loc inRect: box];
}

- (BOOL) mouseInView
{
        NSPoint loc = [[self window] mouseLocationOutsideOfEventStream];
        NSRect  box = [self frame];
        D(NSLog (@"%s - loc.x=%f, loc.y=%f, box.origin.x=%f, box.origin.y=%f",
                                __PRETTY_FUNCTION__, loc.x, loc.y, box.origin.x, box.origin.y));
        return [self mouse: loc inRect: box];
}


//
// Custom methods
//

- (void) benchmark
{
        int                     i;
        float           seconds;
        NSDate          *startDate;

        if ( ! drawView )
                return;

        drawView = NO;
        [self lockFocus];
        startDate = [NSDate date];
        for (i = 1; i < 300; ++i )
#ifdef NSBITMAP
                [bitmap draw];
#endif
#ifdef CGIMAGEREF
                cgDrawInto([self bounds], bitmap);
#endif
#ifdef CGDRAWBITMAP
                [self CGDrawBitmap];
#endif
        seconds = -[startDate timeIntervalSinceNow];
        [self unlockFocus];
        drawView = YES;

        InfoSheet(@"Benchmark run. 300 frames.",
                          [NSString stringWithFormat:
                                @"%.2f seconds, %.3f frames per second", seconds, i/seconds],
                          @"Thanks", [self window]);
}

// Return a TIFF for a snapshot of the screen image
- (NSData *) TIFFrep
{
#ifdef NSBITMAP
        return [bitmap TIFFRepresentation];
#else
        WarningAlert("How do I get a TIFF from a CGImageRef?");
#endif
        return nil;
}

// Enable display of, and drawing into, the view
#ifdef NSBITMAP
- (void) readyToDraw: (NSBitmapImageRep *) theBitmap
                  imageWidth: (short) width
                 imageHeight: (short) height
{
        bitmap = theBitmap;
#endif
#ifdef CGIMAGEREF
- (void) readyToDraw: (CGImageRef) image
                  imageWidth: (short) width
                 imageHeight: (short) height
{
        bitmap = image;
#endif
#ifdef CGDRAWBITMAP
- (void) readyToDraw: (void *) theBitmap
                           width: (short) width
                          height: (short) height
                                 bps: (short) bitsPerSample
                                 spp: (short) samplesPerPixel
                                 bpp: (short) bitsPerPixel
                                 bpr: (int)   bpr
                        isPlanar: (BOOL)  planar
                        hasAlpha: (BOOL)  alpha
{
        bitmap = theBitmap;
        bps = bitsPerSample;
        spp = samplesPerPixel;
        bpp = bitsPerPixel;
        bytesPerRow = bpr;
        isPlanar = planar;
        hasAlpha = alpha;
#endif
        x = width, y = height;
        drawView = YES;

        [[self window] setAcceptsMouseMovedEvents:      YES];
//      [[self window] setInitialFirstResponder:        self];
        [[self window] makeFirstResponder:                      self];
}

- (void) disableDrawing
{
        drawView = NO;
}

- (short) width
{
        return (short)[self bounds].size.width;
}

- (short) height
{
        return (short)[self bounds].size.height;
}

- (BOOL) isOpaque
{
        return drawView;
}

- (BOOL) processKeyEvent: (NSEvent *) event
{
        if ( [self acceptsFirstMouse: event] || FULLSCREEN )
                if ( [event isARepeat] )
                        return NO;
                else
                        return YES;

        [self interpretKeyEvents:[NSArray arrayWithObject:event]];
        return NO;
}

- (void) keyDown: (NSEvent *) event
{
        if ( [self processKeyEvent: event] )
        {
                int     code = [event keyCode];

                if ( code == 126 )      code = 0x3e;    // CURS_UP
                if ( code == 125 )      code = 0x3d;    // CURS_DOWN
                if ( code == 124 )      code = 0x3c;    // CURS_RIGHT
                if ( code == 123 )      code = 0x3b;    // CURS_LEFT

                ADBKeyDown(code);
        }
}

- (void) keyUp: (NSEvent *) event
{
        if ( [self processKeyEvent: event] )
        {
                int     code = [event keyCode];

                if ( code == 126 )      code = 0x3e;    // CURS_UP
                if ( code == 125 )      code = 0x3d;    // CURS_DOWN
                if ( code == 124 )      code = 0x3c;    // CURS_RIGHT
                if ( code == 123 )      code = 0x3b;    // CURS_LEFT

                ADBKeyUp(code);
        }
}

static NSPoint  mouse;                  // Previous/current mouse location

- (BOOL) processMouseMove: (NSEvent *) event
{
        NSPoint locInView;

        if ( FULLSCREEN )
                locInView = [NSEvent mouseLocation];
        else
                locInView = [self convertPoint: [event locationInWindow] fromView:nil];

        if ( NSEqualPoints(locInView, mouse) )
                return NO;

        mouse = locInView;

        if ( FULLSCREEN )
        {
                ADBMouseMoved((int)mouse.x, screen_height - (int)mouse.y);
                return YES;
        }

#ifdef CAN_RESIZE_VIEW
        int     mouseY = y - y * mouse.y / [self height];
        int     mouseX =         x * mouse.x / [self width];
#else
        int     mouseY = y - (int) mouse.y;
        int     mouseX =         (int) mouse.x;
#endif

        ADBMouseMoved(mouseX, mouseY);
        return YES;
}

- (void) mouseDown: (NSEvent *) event
{
        [self processMouseMove: event];
        ADBMouseDown(0);
}

- (void) mouseDragged: (NSEvent *) event
{
        [self processMouseMove: event];
}

- (void) mouseMoved: (NSEvent *) event
{
#if DEBUG
        if ( ! [self mouseInView] )
        {
                NSLog (@"%s - Received event while outside of view", __PRETTY_FUNCTION__);
                return;
        }
#endif
        [self processMouseMove: event];
}

- (void) mouseUp: (NSEvent *) event
{
        [self processMouseMove: event];
        ADBMouseUp(0);
}

#if DEBUG
- (void) randomise              // Draw some coloured snow in the bitmap
{
        unsigned char    *pixel;

        for ( int i = 0; i < 1000; ++i )
        {
                pixel = [bitmap bitmapData]
                                + (int) (1.0 * [bitmap bytesPerRow] * 342       //[bitmap height]
                                                         * rand() / RAND_MAX);
                *pixel = (unsigned char) (256.0 * rand() / RAND_MAX);
        }
}
#endif

- (void) drawRect: (NSRect) rect
{
        if ( ! drawView )               // If the emulator is still being setup,
                return;                         // we do not want to draw

#if DEBUG
        NSLog(@"In drawRect");
        [self randomise];
#endif

#ifdef NSBITMAP
        NSRectClip(rect);
        [bitmap draw];
#endif
#ifdef CGIMAGEREF
        cgDrawInto(rect, bitmap);
#endif
#ifdef CGDRAWBITMAP
        [self CGDrawBitmap];
#endif
}

//
// Extra drawing stuff
//

#ifdef CGDRAWBITMAP
extern "C" void CGDrawBitmap();

- (void) CGDrawBitmap
{
        CGContextRef    cgContext = [[NSGraphicsContext currentContext]
                                                                                                                graphicsPort];
        NSRect                  rect = [self bounds];
        CGRect                  cgRect = {
                                                                {rect.origin.x, rect.origin.y},
                                                                {rect.size.width, rect.size.height}
                                                         };

        CGColorSpaceRef colourSpace = CGColorSpaceCreateDeviceRGB();


        CGContextSetShouldAntialias(cgContext, NO);             // Seems to have no effect?

        CGDrawBitmap(cgContext, cgRect, x, y, bps, spp, bpp,
                                        bytesPerRow, isPlanar, hasAlpha, colourSpace, &bitmap);
}
#endif

#ifdef CGIMAGEREF
void
cgDrawInto(NSRect rect, CGImageRef bitmap)
{
        CGContextRef    cgContext = [[NSGraphicsContext currentContext]
                                                                                                                graphicsPort];
        CGRect                  cgRect = {
                                                                {rect.origin.x, rect.origin.y},
                                                                {rect.size.width, rect.size.height}
                                                         };

        CGContextSetShouldAntialias(cgContext, NO);             // Seems to have no effect?

        CGContextDrawImage(cgContext, cgRect, bitmap);
}
#endif

@end
Revision:	1.3
Committed:	2002-05-12T10:34:16Z (22 years ago) by nigel
Branch:	MAIN
Changes since 1.2:	+2 -9 lines
Log Message:	Took out redundant method (was used before event handling re-write)
#	User	Rev	Content
1	nigel	1.1	/*
2			* EmulatorView.mm - Custom NSView for Basilisk II graphics output
3			*
4	nigel	1.3	* $Id: EmulatorView.mm,v 1.2 2002/03/18 11:00:27 nigel Exp $
5	nigel	1.1	*
6			* Basilisk II (C) 1997-2002 Christian Bauer
7			*
8			* This program is free software; you can redistribute it and/or modify
9			* it under the terms of the GNU General Public License as published by
10			* the Free Software Foundation; either version 2 of the License, or
11			* (at your option) any later version.
12			*
13			* This program is distributed in the hope that it will be useful,
14			* but WITHOUT ANY WARRANTY; without even the implied warranty of
15			* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16			* GNU General Public License for more details.
17			*
18			* You should have received a copy of the GNU General Public License
19			* along with this program; if not, write to the Free Software
20			* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21			*/
22
23			#import "sysdeps.h" // Types used in Basilisk C++ code,
24
25			#define DEBUG 0
26			#import <debug.h>
27
28			#import <Cocoa/Cocoa.h>
29
30			#import "main_macosx.h" // For WarningAlert() et al prototypes
31			#import "misc_macosx.h" // For InfoSheet() prototype
32			#import "video_macosx.h" // For init_* globals, and bitmap drawing strategy
33
34			#import "EmulatorView.h"
35
36			@implementation EmulatorView
37
38
39			//
40			// Standard NSView methods that we override
41			//
42
43			- (id) initWithFrame: (NSRect) frameRect
44			{
45			self = [super initWithFrame: frameRect];
46
47			output = self; // Set global for access by Basilisk C++ code
48			// bitmap = nil; // Set by readyToDraw:
49			drawView = NO; // Disable drawing until later
50
51			#ifdef SAVE_GSTATE
52			[self allocateGState];
53			#endif
54
55			return self;
56			}
57
58			- (void) dealloc
59			{
60			#ifdef SAVE_GSTATE
61			[self releaseGState];
62			#endif
63			[super dealloc];
64			}
65
66			// Mouse click in this window. If window is not active, should click be passed to this view?
67			- (BOOL) acceptsFirstMouse: (NSEvent *) event
68			{
69			return [self mouseInView];
70			}
71
72
73			#include <adb.h>
74
75			static int prevFlags;
76
77			- (void) flagsChanged: (NSEvent *) event
78			{
79			int flags = [event modifierFlags];
80
81			if ( (flags & NSAlphaShiftKeyMask) != (prevFlags & NSAlphaShiftKeyMask) )
82			if ( flags & NSAlphaShiftKeyMask )
83			ADBKeyDown(0x39); // CAPS_LOCK
84			else
85			ADBKeyUp(0x39);
86
87			if ( (flags & NSShiftKeyMask) != (prevFlags & NSShiftKeyMask) )
88			if ( flags & NSShiftKeyMask )
89			ADBKeyDown(0x38); // SHIFT_LEFT
90			else
91			ADBKeyUp(0x38);
92
93			if ( (flags & NSControlKeyMask) != (prevFlags & NSControlKeyMask) )
94			if ( flags & NSControlKeyMask )
95			ADBKeyDown(0x36); // CTL_LEFT
96			else
97			ADBKeyUp(0x36);
98
99			if ( (flags & NSAlternateKeyMask) != (prevFlags & NSAlternateKeyMask) )
100			if ( flags & NSAlternateKeyMask )
101			ADBKeyDown(0x3a); // OPTION_LEFT
102			else
103			ADBKeyUp(0x3a);
104
105			if ( (flags & NSCommandKeyMask) != (prevFlags & NSCommandKeyMask) )
106			if ( flags & NSCommandKeyMask )
107			ADBKeyDown(0x37); // APPLE_LEFT
108			else
109			ADBKeyUp(0x37);
110
111			prevFlags = flags;
112			}
113
114			- (BOOL) mouseInView: (NSEvent *) event
115			{
116			NSPoint loc = [event locationInWindow];
117			NSRect box = [self frame];
118			D(NSLog (@"%s - loc.x=%f, loc.y=%f, box.origin.x=%f, box.origin.y=%f",
119			__PRETTY_FUNCTION__, loc.x, loc.y, box.origin.x, box.origin.y));
120			return [self mouse: loc inRect: box];
121			}
122
123			- (BOOL) mouseInView
124			{
125			NSPoint loc = [[self window] mouseLocationOutsideOfEventStream];
126			NSRect box = [self frame];
127			D(NSLog (@"%s - loc.x=%f, loc.y=%f, box.origin.x=%f, box.origin.y=%f",
128			__PRETTY_FUNCTION__, loc.x, loc.y, box.origin.x, box.origin.y));
129			return [self mouse: loc inRect: box];
130			}
131
132
133			//
134			// Custom methods
135			//
136
137			- (void) benchmark
138			{
139			int i;
140			float seconds;
141			NSDate *startDate;
142
143			if ( ! drawView )
144			return;
145
146			drawView = NO;
147			[self lockFocus];
148			startDate = [NSDate date];
149			for (i = 1; i < 300; ++i )
150			#ifdef NSBITMAP
151			[bitmap draw];
152			#endif
153			#ifdef CGIMAGEREF
154			cgDrawInto([self bounds], bitmap);
155			#endif
156			#ifdef CGDRAWBITMAP
157			[self CGDrawBitmap];
158			#endif
159			seconds = -[startDate timeIntervalSinceNow];
160			[self unlockFocus];
161			drawView = YES;
162
163			InfoSheet(@"Benchmark run. 300 frames.",
164			[NSString stringWithFormat:
165			@"%.2f seconds, %.3f frames per second", seconds, i/seconds],
166			@"Thanks", [self window]);
167			}
168
169			// Return a TIFF for a snapshot of the screen image
170			- (NSData *) TIFFrep
171			{
172			#ifdef NSBITMAP
173			return [bitmap TIFFRepresentation];
174			#else
175			WarningAlert("How do I get a TIFF from a CGImageRef?");
176			#endif
177			return nil;
178			}
179
180			// Enable display of, and drawing into, the view
181			#ifdef NSBITMAP
182			- (void) readyToDraw: (NSBitmapImageRep *) theBitmap
183			imageWidth: (short) width
184			imageHeight: (short) height
185			{
186			bitmap = theBitmap;
187			#endif
188			#ifdef CGIMAGEREF
189			- (void) readyToDraw: (CGImageRef) image
190			imageWidth: (short) width
191			imageHeight: (short) height
192			{
193			bitmap = image;
194			#endif
195			#ifdef CGDRAWBITMAP
196			- (void) readyToDraw: (void *) theBitmap
197			width: (short) width
198			height: (short) height
199			bps: (short) bitsPerSample
200			spp: (short) samplesPerPixel
201			bpp: (short) bitsPerPixel
202			bpr: (int) bpr
203			isPlanar: (BOOL) planar
204			hasAlpha: (BOOL) alpha
205			{
206			bitmap = theBitmap;
207			bps = bitsPerSample;
208			spp = samplesPerPixel;
209			bpp = bitsPerPixel;
210			bytesPerRow = bpr;
211			isPlanar = planar;
212			hasAlpha = alpha;
213			#endif
214			x = width, y = height;
215			drawView = YES;
216
217			[[self window] setAcceptsMouseMovedEvents: YES];
218			// [[self window] setInitialFirstResponder: self];
219			[[self window] makeFirstResponder: self];
220			}
221
222			- (void) disableDrawing
223			{
224			drawView = NO;
225			}
226
227			- (short) width
228			{
229			return (short)[self bounds].size.width;
230			}
231
232			- (short) height
233			{
234			return (short)[self bounds].size.height;
235			}
236
237			- (BOOL) isOpaque
238			{
239			return drawView;
240			}
241
242			- (BOOL) processKeyEvent: (NSEvent *) event
243			{
244			if ( [self acceptsFirstMouse: event] \|\| FULLSCREEN )
245			if ( [event isARepeat] )
246			return NO;
247			else
248			return YES;
249
250			[self interpretKeyEvents:[NSArray arrayWithObject:event]];
251			return NO;
252			}
253
254			- (void) keyDown: (NSEvent *) event
255			{
256			if ( [self processKeyEvent: event] )
257	nigel	1.2	{
258			int code = [event keyCode];
259
260			if ( code == 126 ) code = 0x3e; // CURS_UP
261			if ( code == 125 ) code = 0x3d; // CURS_DOWN
262			if ( code == 124 ) code = 0x3c; // CURS_RIGHT
263			if ( code == 123 ) code = 0x3b; // CURS_LEFT
264
265			ADBKeyDown(code);
266			}
267	nigel	1.1	}
268
269			- (void) keyUp: (NSEvent *) event
270			{
271			if ( [self processKeyEvent: event] )
272	nigel	1.2	{
273			int code = [event keyCode];
274
275			if ( code == 126 ) code = 0x3e; // CURS_UP
276			if ( code == 125 ) code = 0x3d; // CURS_DOWN
277			if ( code == 124 ) code = 0x3c; // CURS_RIGHT
278			if ( code == 123 ) code = 0x3b; // CURS_LEFT
279
280			ADBKeyUp(code);
281			}
282	nigel	1.1	}
283
284			static NSPoint mouse; // Previous/current mouse location
285
286			- (BOOL) processMouseMove: (NSEvent *) event
287			{
288			NSPoint locInView;
289
290			if ( FULLSCREEN )
291			locInView = [NSEvent mouseLocation];
292			else
293			locInView = [self convertPoint: [event locationInWindow] fromView:nil];
294
295			if ( NSEqualPoints(locInView, mouse) )
296			return NO;
297
298			mouse = locInView;
299
300			if ( FULLSCREEN )
301			{
302			ADBMouseMoved((int)mouse.x, screen_height - (int)mouse.y);
303			return YES;
304			}
305
306			#ifdef CAN_RESIZE_VIEW
307			int mouseY = y - y * mouse.y / [self height];
308			int mouseX = x * mouse.x / [self width];
309			#else
310			int mouseY = y - (int) mouse.y;
311			int mouseX = (int) mouse.x;
312			#endif
313
314			ADBMouseMoved(mouseX, mouseY);
315			return YES;
316			}
317
318			- (void) mouseDown: (NSEvent *) event
319			{
320			[self processMouseMove: event];
321			ADBMouseDown(0);
322			}
323
324			- (void) mouseDragged: (NSEvent *) event
325			{
326			[self processMouseMove: event];
327			}
328
329			- (void) mouseMoved: (NSEvent *) event
330			{
331			#if DEBUG
332			if ( ! [self mouseInView] )
333			{
334			NSLog (@"%s - Received event while outside of view", __PRETTY_FUNCTION__);
335			return;
336			}
337			#endif
338			[self processMouseMove: event];
339			}
340
341			- (void) mouseUp: (NSEvent *) event
342			{
343			[self processMouseMove: event];
344			ADBMouseUp(0);
345			}
346
347			#if DEBUG
348			- (void) randomise // Draw some coloured snow in the bitmap
349			{
350			unsigned char *pixel;
351
352			for ( int i = 0; i < 1000; ++i )
353			{
354			pixel = [bitmap bitmapData]
355			+ (int) (1.0 * [bitmap bytesPerRow] * 342 //[bitmap height]
356			* rand() / RAND_MAX);
357			pixel = (unsigned char) (256.0 rand() / RAND_MAX);
358			}
359			}
360			#endif
361
362			- (void) drawRect: (NSRect) rect
363			{
364			if ( ! drawView ) // If the emulator is still being setup,
365			return; // we do not want to draw
366
367			#if DEBUG
368			NSLog(@"In drawRect");
369			[self randomise];
370			#endif
371
372			#ifdef NSBITMAP
373			NSRectClip(rect);
374			[bitmap draw];
375			#endif
376			#ifdef CGIMAGEREF
377			cgDrawInto(rect, bitmap);
378			#endif
379			#ifdef CGDRAWBITMAP
380			[self CGDrawBitmap];
381			#endif
382			}
383
384			//
385			// Extra drawing stuff
386			//
387
388			#ifdef CGDRAWBITMAP
389			extern "C" void CGDrawBitmap();
390
391			- (void) CGDrawBitmap
392			{
393			CGContextRef cgContext = [[NSGraphicsContext currentContext]
394			graphicsPort];
395			NSRect rect = [self bounds];
396			CGRect cgRect = {
397			{rect.origin.x, rect.origin.y},
398			{rect.size.width, rect.size.height}
399			};
400
401			CGColorSpaceRef colourSpace = CGColorSpaceCreateDeviceRGB();
402
403
404			CGContextSetShouldAntialias(cgContext, NO); // Seems to have no effect?
405
406			CGDrawBitmap(cgContext, cgRect, x, y, bps, spp, bpp,
407			bytesPerRow, isPlanar, hasAlpha, colourSpace, &bitmap);
408			}
409			#endif
410
411			#ifdef CGIMAGEREF
412			void
413			cgDrawInto(NSRect rect, CGImageRef bitmap)
414			{
415			CGContextRef cgContext = [[NSGraphicsContext currentContext]
416			graphicsPort];
417			CGRect cgRect = {
418			{rect.origin.x, rect.origin.y},
419			{rect.size.width, rect.size.height}
420			};
421
422			CGContextSetShouldAntialias(cgContext, NO); // Seems to have no effect?
423
424			CGContextDrawImage(cgContext, cgRect, bitmap);
425			}
426			#endif
427
428	nigel	1.3	@end