libs-back/Source/cairo/XGCairoSurface.m
Fred Kiefer 1d40f7d8cc Added cairo backend.
git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/back/trunk@19820 72102866-910b-0410-8b05-ffd578937521
2004-08-02 21:50:17 +00:00

110 lines
2.8 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/XGCairoSurface.h"
#define GSWINDEVICE ((gswindow_device_t *)gsDevice)
@implementation XGCairoSurface
+ (CairoSurface *) createSurfaceForDevice: (void *)device
depthInfo: (CairoInfo *)cairoInfo
{
#define NEWGSWINDEVICE ((gswindow_device_t *)device)
XGCairoSurface *surface;
surface = [[self alloc] initWithDevice: NEWGSWINDEVICE];
NSAssert(NEWGSWINDEVICE->buffer, @"FIXME! CairoSurface: Strange, a window doesn't have buffer");
return surface;
#undef NEWGSWINDEVICE
}
- (NSString *) description
{
return [NSString stringWithFormat: @"<XGCairoSurface %p xr:%p>", self, xrSurface];
}
- (id) initWithDevice: (void *)device
{
/* FIXME format is ignore when Visual isn't NULL
* Cairo may change this API
*/
gsDevice = device;
/*
if (GSWINDEVICE->type != NSBackingStoreNonretained)
{
GSWINDEVICE->gdriverProtocol |= GDriverHandlesExpose;
XSetWindowBackgroundPixmap(GSWINDEVICE->display,
GSWINDEVICE->ident,
GSWINDEVICE->buffer);
}
*/
xrSurface = cairo_xlib_surface_create(GSWINDEVICE->display,
GSWINDEVICE->buffer,
DefaultVisual(GSWINDEVICE->display,
DefaultScreen(GSWINDEVICE->display)),
0,
DefaultColormap(GSWINDEVICE->display,
DefaultScreen(GSWINDEVICE->display)));
return self;
}
- (void) setAsTargetOfCairo: (cairo_t *)ct
{
/*
if (GSWINDEVICE->type != NSBackingStoreNonretained)
{
GSWINDEVICE->gdriverProtocol |= GDriverHandlesExpose;
XSetWindowBackgroundPixmap(GSWINDEVICE->display,
GSWINDEVICE->ident,
GSWINDEVICE->buffer);
}
*/
//cairo_set_target_drawable(ct, GSWINDEVICE->display, GSWINDEVICE->buffer);
cairo_set_target_surface(ct, xrSurface);
}
- (void) dealloc
{
cairo_surface_destroy(xrSurface);
[super dealloc];
}
- (void) logDevice
{
NSLog(@"device %p id:%p buff:%p",self,GSWINDEVICE->ident,GSWINDEVICE->buffer);
}
- (NSSize) size
{
return GSWINDEVICE->xframe.size;
}
@end