src/MacOSX/EmulatorView.mm

/*
 *      EmulatorView.mm - Custom NSView for Basilisk II graphics output
 *
 *      $Id: EmulatorView.mm,v 1.2 2002/03/16 10:00:19 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];
}

/*****
- (BOOL) acceptsFirstResponder
{
//      return YES;
        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:	1.2
Committed:	2002-03-18T11:00:27Z (22 years, 8 months ago) by nigel
Branch:	MAIN
CVS Tags:	nigel-build-10
Changes since 1.1:	+21 -3 lines
Log Message:	Extra code to map cursor keys
#	User	Rev	Content
1	nigel	1.1	/*
2			* EmulatorView.mm - Custom NSView for Basilisk II graphics output
3			*
4	nigel	1.2	* $Id: EmulatorView.mm,v 1.2 2002/03/16 10:00:19 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			- (BOOL) acceptsFirstResponder
74			{
75			// return YES;
76			return [self mouseInView];
77			}
78			*****/
79
80			#include <adb.h>
81
82			static int prevFlags;
83
84			- (void) flagsChanged: (NSEvent *) event
85			{
86			int flags = [event modifierFlags];
87
88			if ( (flags & NSAlphaShiftKeyMask) != (prevFlags & NSAlphaShiftKeyMask) )
89			if ( flags & NSAlphaShiftKeyMask )
90			ADBKeyDown(0x39); // CAPS_LOCK
91			else
92			ADBKeyUp(0x39);
93
94			if ( (flags & NSShiftKeyMask) != (prevFlags & NSShiftKeyMask) )
95			if ( flags & NSShiftKeyMask )
96			ADBKeyDown(0x38); // SHIFT_LEFT
97			else
98			ADBKeyUp(0x38);
99
100			if ( (flags & NSControlKeyMask) != (prevFlags & NSControlKeyMask) )
101			if ( flags & NSControlKeyMask )
102			ADBKeyDown(0x36); // CTL_LEFT
103			else
104			ADBKeyUp(0x36);
105
106			if ( (flags & NSAlternateKeyMask) != (prevFlags & NSAlternateKeyMask) )
107			if ( flags & NSAlternateKeyMask )
108			ADBKeyDown(0x3a); // OPTION_LEFT
109			else
110			ADBKeyUp(0x3a);
111
112			if ( (flags & NSCommandKeyMask) != (prevFlags & NSCommandKeyMask) )
113			if ( flags & NSCommandKeyMask )
114			ADBKeyDown(0x37); // APPLE_LEFT
115			else
116			ADBKeyUp(0x37);
117
118			prevFlags = flags;
119			}
120
121			- (BOOL) mouseInView: (NSEvent *) event
122			{
123			NSPoint loc = [event locationInWindow];
124			NSRect box = [self frame];
125			D(NSLog (@"%s - loc.x=%f, loc.y=%f, box.origin.x=%f, box.origin.y=%f",
126			__PRETTY_FUNCTION__, loc.x, loc.y, box.origin.x, box.origin.y));
127			return [self mouse: loc inRect: box];
128			}
129
130			- (BOOL) mouseInView
131			{
132			NSPoint loc = [[self window] mouseLocationOutsideOfEventStream];
133			NSRect box = [self frame];
134			D(NSLog (@"%s - loc.x=%f, loc.y=%f, box.origin.x=%f, box.origin.y=%f",
135			__PRETTY_FUNCTION__, loc.x, loc.y, box.origin.x, box.origin.y));
136			return [self mouse: loc inRect: box];
137			}
138
139
140			//
141			// Custom methods
142			//
143
144			- (void) benchmark
145			{
146			int i;
147			float seconds;
148			NSDate *startDate;
149
150			if ( ! drawView )
151			return;
152
153			drawView = NO;
154			[self lockFocus];
155			startDate = [NSDate date];
156			for (i = 1; i < 300; ++i )
157			#ifdef NSBITMAP
158			[bitmap draw];
159			#endif
160			#ifdef CGIMAGEREF
161			cgDrawInto([self bounds], bitmap);
162			#endif
163			#ifdef CGDRAWBITMAP
164			[self CGDrawBitmap];
165			#endif
166			seconds = -[startDate timeIntervalSinceNow];
167			[self unlockFocus];
168			drawView = YES;
169
170			InfoSheet(@"Benchmark run. 300 frames.",
171			[NSString stringWithFormat:
172			@"%.2f seconds, %.3f frames per second", seconds, i/seconds],
173			@"Thanks", [self window]);
174			}
175
176			// Return a TIFF for a snapshot of the screen image
177			- (NSData *) TIFFrep
178			{
179			#ifdef NSBITMAP
180			return [bitmap TIFFRepresentation];
181			#else
182			WarningAlert("How do I get a TIFF from a CGImageRef?");
183			#endif
184			return nil;
185			}
186
187			// Enable display of, and drawing into, the view
188			#ifdef NSBITMAP
189			- (void) readyToDraw: (NSBitmapImageRep *) theBitmap
190			imageWidth: (short) width
191			imageHeight: (short) height
192			{
193			bitmap = theBitmap;
194			#endif
195			#ifdef CGIMAGEREF
196			- (void) readyToDraw: (CGImageRef) image
197			imageWidth: (short) width
198			imageHeight: (short) height
199			{
200			bitmap = image;
201			#endif
202			#ifdef CGDRAWBITMAP
203			- (void) readyToDraw: (void *) theBitmap
204			width: (short) width
205			height: (short) height
206			bps: (short) bitsPerSample
207			spp: (short) samplesPerPixel
208			bpp: (short) bitsPerPixel
209			bpr: (int) bpr
210			isPlanar: (BOOL) planar
211			hasAlpha: (BOOL) alpha
212			{
213			bitmap = theBitmap;
214			bps = bitsPerSample;
215			spp = samplesPerPixel;
216			bpp = bitsPerPixel;
217			bytesPerRow = bpr;
218			isPlanar = planar;
219			hasAlpha = alpha;
220			#endif
221			x = width, y = height;
222			drawView = YES;
223
224			[[self window] setAcceptsMouseMovedEvents: YES];
225			// [[self window] setInitialFirstResponder: self];
226			[[self window] makeFirstResponder: self];
227			}
228
229			- (void) disableDrawing
230			{
231			drawView = NO;
232			}
233
234			- (short) width
235			{
236			return (short)[self bounds].size.width;
237			}
238
239			- (short) height
240			{
241			return (short)[self bounds].size.height;
242			}
243
244			- (BOOL) isOpaque
245			{
246			return drawView;
247			}
248
249			- (BOOL) processKeyEvent: (NSEvent *) event
250			{
251			if ( [self acceptsFirstMouse: event] \|\| FULLSCREEN )
252			if ( [event isARepeat] )
253			return NO;
254			else
255			return YES;
256
257			[self interpretKeyEvents:[NSArray arrayWithObject:event]];
258			return NO;
259			}
260
261			- (void) keyDown: (NSEvent *) event
262			{
263			if ( [self processKeyEvent: event] )
264	nigel	1.2	{
265			int code = [event keyCode];
266
267			if ( code == 126 ) code = 0x3e; // CURS_UP
268			if ( code == 125 ) code = 0x3d; // CURS_DOWN
269			if ( code == 124 ) code = 0x3c; // CURS_RIGHT
270			if ( code == 123 ) code = 0x3b; // CURS_LEFT
271
272			ADBKeyDown(code);
273			}
274	nigel	1.1	}
275
276			- (void) keyUp: (NSEvent *) event
277			{
278			if ( [self processKeyEvent: event] )
279	nigel	1.2	{
280			int code = [event keyCode];
281
282			if ( code == 126 ) code = 0x3e; // CURS_UP
283			if ( code == 125 ) code = 0x3d; // CURS_DOWN
284			if ( code == 124 ) code = 0x3c; // CURS_RIGHT
285			if ( code == 123 ) code = 0x3b; // CURS_LEFT
286
287			ADBKeyUp(code);
288			}
289	nigel	1.1	}
290
291			static NSPoint mouse; // Previous/current mouse location
292
293			- (BOOL) processMouseMove: (NSEvent *) event
294			{
295			NSPoint locInView;
296
297			if ( FULLSCREEN )
298			locInView = [NSEvent mouseLocation];
299			else
300			locInView = [self convertPoint: [event locationInWindow] fromView:nil];
301
302			if ( NSEqualPoints(locInView, mouse) )
303			return NO;
304
305			mouse = locInView;
306
307			if ( FULLSCREEN )
308			{
309			ADBMouseMoved((int)mouse.x, screen_height - (int)mouse.y);
310			return YES;
311			}
312
313			#ifdef CAN_RESIZE_VIEW
314			int mouseY = y - y * mouse.y / [self height];
315			int mouseX = x * mouse.x / [self width];
316			#else
317			int mouseY = y - (int) mouse.y;
318			int mouseX = (int) mouse.x;
319			#endif
320
321			ADBMouseMoved(mouseX, mouseY);
322			return YES;
323			}
324
325			- (void) mouseDown: (NSEvent *) event
326			{
327			[self processMouseMove: event];
328			ADBMouseDown(0);
329			}
330
331			- (void) mouseDragged: (NSEvent *) event
332			{
333			[self processMouseMove: event];
334			}
335
336			- (void) mouseMoved: (NSEvent *) event
337			{
338			#if DEBUG
339			if ( ! [self mouseInView] )
340			{
341			NSLog (@"%s - Received event while outside of view", __PRETTY_FUNCTION__);
342			return;
343			}
344			#endif
345			[self processMouseMove: event];
346			}
347
348			- (void) mouseUp: (NSEvent *) event
349			{
350			[self processMouseMove: event];
351			ADBMouseUp(0);
352			}
353
354			#if DEBUG
355			- (void) randomise // Draw some coloured snow in the bitmap
356			{
357			unsigned char *pixel;
358
359			for ( int i = 0; i < 1000; ++i )
360			{
361			pixel = [bitmap bitmapData]
362			+ (int) (1.0 * [bitmap bytesPerRow] * 342 //[bitmap height]
363			* rand() / RAND_MAX);
364			pixel = (unsigned char) (256.0 rand() / RAND_MAX);
365			}
366			}
367			#endif
368
369			- (void) drawRect: (NSRect) rect
370			{
371			if ( ! drawView ) // If the emulator is still being setup,
372			return; // we do not want to draw
373
374			#if DEBUG
375			NSLog(@"In drawRect");
376			[self randomise];
377			#endif
378
379			#ifdef NSBITMAP
380			NSRectClip(rect);
381			[bitmap draw];
382			#endif
383			#ifdef CGIMAGEREF
384			cgDrawInto(rect, bitmap);
385			#endif
386			#ifdef CGDRAWBITMAP
387			[self CGDrawBitmap];
388			#endif
389			}
390
391			//
392			// Extra drawing stuff
393			//
394
395			#ifdef CGDRAWBITMAP
396			extern "C" void CGDrawBitmap();
397
398			- (void) CGDrawBitmap
399			{
400			CGContextRef cgContext = [[NSGraphicsContext currentContext]
401			graphicsPort];
402			NSRect rect = [self bounds];
403			CGRect cgRect = {
404			{rect.origin.x, rect.origin.y},
405			{rect.size.width, rect.size.height}
406			};
407
408			CGColorSpaceRef colourSpace = CGColorSpaceCreateDeviceRGB();
409
410
411			CGContextSetShouldAntialias(cgContext, NO); // Seems to have no effect?
412
413			CGDrawBitmap(cgContext, cgRect, x, y, bps, spp, bpp,
414			bytesPerRow, isPlanar, hasAlpha, colourSpace, &bitmap);
415			}
416			#endif
417
418			#ifdef CGIMAGEREF
419			void
420			cgDrawInto(NSRect rect, CGImageRef bitmap)
421			{
422			CGContextRef cgContext = [[NSGraphicsContext currentContext]
423			graphicsPort];
424			CGRect cgRect = {
425			{rect.origin.x, rect.origin.y},
426			{rect.size.width, rect.size.height}
427			};
428
429			CGContextSetShouldAntialias(cgContext, NO); // Seems to have no effect?
430
431			CGContextDrawImage(cgContext, cgRect, bitmap);
432			}
433			#endif
434
435			@end