Cocoa front end (credit: Sven Weidauer)

svn path=/trunk/netsurf/; revision=11292

1 files changed, 61 insertions, 0 deletions

diff --git a/cocoa/thumbnail.m b/cocoa/thumbnail.m
new file mode 100644
index 000000000..b6df608eb
--- /dev/null
+++ b/cocoa/thumbnail.m
@@ -0,0 +1,61 @@
+/*
+ * Copyright 2011 Sven Weidauer <sven.weidauer@gmail.com>
+ *
+ * This file is part of NetSurf, http://www.netsurf-browser.org/
+ *
+ * NetSurf 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; version 2 of the License.
+ *
+ * NetSurf 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, see <http://www.gnu.org/licenses/>.
+ */
+
+#import "desktop/browser.h"
+#import "desktop/plotters.h"
+#import "content/urldb.h"
+#import "image/bitmap.h"
+
+#import <Cocoa/Cocoa.h>
+
+/* In platform specific thumbnail.c. */
+bool thumbnail_create(struct hlcache_handle *content, struct bitmap *bitmap,
+					  const char *url)
+{
+	CGColorSpaceRef cspace = CGColorSpaceCreateWithName( kCGColorSpaceGenericRGB );
+	CGContextRef bitmapContext = CGBitmapContextCreate( bitmap_get_buffer( bitmap ), 
+													   bitmap_get_width( bitmap ), bitmap_get_height( bitmap ), 
+													   bitmap_get_bpp( bitmap ) / 4, 
+													   bitmap_get_rowstride( bitmap ), 
+													   cspace, kCGImageAlphaNoneSkipLast );
+	CGColorSpaceRelease( cspace );
+	
+
+	size_t width = MIN( content_get_width( content ), 1024 );
+	size_t height = MIN( content_get_height( content ), 768 );
+	
+	CGContextTranslateCTM( bitmapContext, 0, bitmap_get_height( bitmap ) );
+	CGContextScaleCTM( bitmapContext, (CGFloat)bitmap_get_width( bitmap ) / width, -(CGFloat)bitmap_get_height( bitmap ) / height );
+	
+	[NSGraphicsContext setCurrentContext: [NSGraphicsContext graphicsContextWithGraphicsPort: bitmapContext flipped: YES]];
+	
+	content_redraw( content, 0, 0, content_get_width( content ), content_get_height( content ), 
+				   0, 0, content_get_width( content ), content_get_height( content ), 
+				   1.0, 0xFFFFFFFF );
+	
+	[NSGraphicsContext setCurrentContext: nil];
+	CGContextRelease( bitmapContext );
+	
+	bitmap_modified( bitmap );
+	
+	if (NULL != url) urldb_set_thumbnail( url, bitmap );
+	
+	return true;
+
+}
+