libs-back/Source/cairo/XGCairoXImageSurface.m
Fred Kiefer 7a1693eaf2 Get cairo surfaces working for resized windows.
git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/back/trunk@21685 72102866-910b-0410-8b05-ffd578937521
2005-08-28 00:48:12 +00:00

58 lines
1.8 KiB
Objective-C

/*
Copyright (C) 2002 Free Software Foundation, Inc.
Author: Banlu Kemiyatorn <object at gmail dot com>
This file is part of GNUstep.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this library; if not, write to the Free
Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <Foundation/NSUserDefaults.h>
#include <math.h>
#include "cairo/XGCairoXImageSurface.h"
#define GSWINDEVICE ((gswindow_device_t *)gsDevice)
@implementation XGCairoXImageSurface
- (id) initWithDevice: (void *)device
{
/* FIXME format is ignore when Visual isn't NULL
* Cairo may change this API
*/
gsDevice = device;
image = XCreateImage(GSWINDEVICE->display,
DefaultVisual(GSWINDEVICE->display,
DefaultScreen(GSWINDEVICE->display)),
24, ZPixmap, 0, NULL,
GSWINDEVICE->xframe.size.width,
GSWINDEVICE->xframe.size.height,
8, 0);
image->data = malloc(image->height * image->bytes_per_line);
//NSLog(@"alloc %d %d %d",image->width,image->height,(image->height * image->bytes_per_line));
_surface = cairo_image_surface_create_for_data(image->data, CAIRO_FORMAT_ARGB32,
image->width, image->height, image->width*4);
return self;
}
- (NSSize) size
{
return GSWINDEVICE->xframe.size;
}
@end