gtk2/gdk/quartz/gdkutils-quartz.c
2010-12-23 14:17:41 +01:00

100 lines
2.7 KiB
C

/* gdkutils-quartz.c
*
* Copyright (C) 2005 Imendio AB
* Copyright (C) 2010 Kristian Rietveld <kris@gtk.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#include "config.h"
#include <AppKit/AppKit.h>
#include <gdkquartzutils.h>
#include "gdkprivate-quartz.h"
NSImage *
gdk_quartz_pixbuf_to_ns_image_libgtk_only (GdkPixbuf *pixbuf)
{
NSBitmapImageRep *bitmap_rep;
NSImage *image;
gboolean has_alpha;
has_alpha = gdk_pixbuf_get_has_alpha (pixbuf);
/* Create a bitmap image rep */
bitmap_rep = [[NSBitmapImageRep alloc] initWithBitmapDataPlanes:NULL
pixelsWide:gdk_pixbuf_get_width (pixbuf)
pixelsHigh:gdk_pixbuf_get_height (pixbuf)
bitsPerSample:8 samplesPerPixel:has_alpha ? 4 : 3
hasAlpha:has_alpha isPlanar:NO colorSpaceName:NSDeviceRGBColorSpace
bytesPerRow:0 bitsPerPixel:0];
{
/* Add pixel data to bitmap rep */
guchar *src, *dst;
int src_stride, dst_stride;
int x, y;
src_stride = gdk_pixbuf_get_rowstride (pixbuf);
dst_stride = [bitmap_rep bytesPerRow];
for (y = 0; y < gdk_pixbuf_get_height (pixbuf); y++)
{
src = gdk_pixbuf_get_pixels (pixbuf) + y * src_stride;
dst = [bitmap_rep bitmapData] + y * dst_stride;
for (x = 0; x < gdk_pixbuf_get_width (pixbuf); x++)
{
if (has_alpha)
{
guchar red, green, blue, alpha;
red = *src++;
green = *src++;
blue = *src++;
alpha = *src++;
*dst++ = (red * alpha) / 255;
*dst++ = (green * alpha) / 255;
*dst++ = (blue * alpha) / 255;
*dst++ = alpha;
}
else
{
*dst++ = *src++;
*dst++ = *src++;
*dst++ = *src++;
}
}
}
}
image = [[NSImage alloc] init];
[image addRepresentation:bitmap_rep];
[bitmap_rep release];
[image autorelease];
return image;
}
NSEvent *
gdk_quartz_event_get_nsevent (GdkEvent *event)
{
/* FIXME: If the event here is unallocated, we crash. */
return ((GdkEventPrivate *) event)->windowing_data;
}