98 lines
		
	
	
		
			2.6 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			98 lines
		
	
	
		
			2.6 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /* gdkutils-quartz.c
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|  *
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|  * Copyright (C) 2005 Imendio AB
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|  * Copyright (C) 2010  Kristian Rietveld  <kris@gtk.org>
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|  *
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|  * This library is free software; you can redistribute it and/or
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|  * modify it under the terms of the GNU Lesser General Public
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|  * License as published by the Free Software Foundation; either
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|  * version 2 of the License, or (at your option) any later version.
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|  *
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|  * This library is distributed in the hope that it will be useful,
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|  * but WITHOUT ANY WARRANTY; without even the implied warranty of
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|  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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|  * Lesser General Public License for more details.
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|  *
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|  * You should have received a copy of the GNU Lesser General Public
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|  * License along with this library. If not, see <http://www.gnu.org/licenses/>.
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|  */
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| 
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| #include "config.h"
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| 
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| #include <AppKit/AppKit.h>
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| 
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| #include <gdkquartzutils.h>
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| #include "gdkprivate-quartz.h"
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| 
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| NSImage *
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| gdk_quartz_pixbuf_to_ns_image_libgtk_only (GdkPixbuf *pixbuf)
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| {
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|   NSBitmapImageRep  *bitmap_rep;
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|   NSImage           *image;
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|   gboolean           has_alpha;
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|   
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|   has_alpha = gdk_pixbuf_get_has_alpha (pixbuf);
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|   
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|   /* Create a bitmap image rep */
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|   bitmap_rep = [[NSBitmapImageRep alloc] initWithBitmapDataPlanes:NULL 
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|                                          pixelsWide:gdk_pixbuf_get_width (pixbuf)
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| 					 pixelsHigh:gdk_pixbuf_get_height (pixbuf)
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| 					 bitsPerSample:8 samplesPerPixel:has_alpha ? 4 : 3
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| 					 hasAlpha:has_alpha isPlanar:NO colorSpaceName:NSDeviceRGBColorSpace
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| 					 bytesPerRow:0 bitsPerPixel:0];
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| 	
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|   {
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|     /* Add pixel data to bitmap rep */
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|     guchar *src, *dst;
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|     int src_stride, dst_stride;
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|     int x, y;
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| 		
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|     src_stride = gdk_pixbuf_get_rowstride (pixbuf);
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|     dst_stride = [bitmap_rep bytesPerRow];
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| 		
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|     for (y = 0; y < gdk_pixbuf_get_height (pixbuf); y++) 
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|       {
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| 	src = gdk_pixbuf_get_pixels (pixbuf) + y * src_stride;
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| 	dst = [bitmap_rep bitmapData] + y * dst_stride;
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| 	
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| 	for (x = 0; x < gdk_pixbuf_get_width (pixbuf); x++)
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| 	  {
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| 	    if (has_alpha)
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| 	      {
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| 		guchar red, green, blue, alpha;
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| 		
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| 		red = *src++;
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| 		green = *src++;
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| 		blue = *src++;
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| 		alpha = *src++;
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| 		
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| 		*dst++ = (red * alpha) / 255;
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| 		*dst++ = (green * alpha) / 255;
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| 		*dst++ = (blue * alpha) / 255;
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| 		*dst++ = alpha;
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| 	      }
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| 	    else
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| 	     {
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| 	       *dst++ = *src++;
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| 	       *dst++ = *src++;
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| 	       *dst++ = *src++;
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| 	     }
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| 	  }
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|       }	
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|   }
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| 	
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|   image = [[NSImage alloc] init];
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|   [image addRepresentation:bitmap_rep];
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|   [bitmap_rep release];
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|   [image autorelease];
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| 	
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|   return image;
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| }
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| 
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| NSEvent *
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| gdk_quartz_event_get_nsevent (GdkEvent *event)
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| {
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|   /* FIXME: If the event here is unallocated, we crash. */
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|   return ((GdkEventPrivate *) event)->windowing_data;
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| }
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