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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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#include "config.h"
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#include <AppKit/AppKit.h>
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#include <gdkquartzutils.h>
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#include "gdkprivate-quartz.h"
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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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has_alpha = gdk_pixbuf_get_has_alpha (pixbuf);
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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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/* 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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src_stride = gdk_pixbuf_get_rowstride (pixbuf);
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dst_stride = [bitmap_rep bytesPerRow];
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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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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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red = *src++;
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green = *src++;
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blue = *src++;
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alpha = *src++;
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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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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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return image;
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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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