mirror of
https://github.com/gnustep/libs-back.git
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1d40f7d8cc
git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/back/trunk@19820 72102866-910b-0410-8b05-ffd578937521
151 lines
3.3 KiB
Objective-C
151 lines
3.3 KiB
Objective-C
/*
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Copyright (C) 2004 Free Software Foundation, Inc.
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Author: Banlu Kemiyatorn <object at gmail dot com>
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This file is part of GNUstep.
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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 Library 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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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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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with this library; if not, write to the Free
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Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include "cairo/CairoSurface.h"
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#include <math.h>
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#include "config.h"
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#ifdef USE_GLITZ
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@class XGCairoGlitzSurface;
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#else
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@class XGCairoSurface;
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#endif
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static CairoSurface **surface_list;
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static int num_cairo_surfaces;
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static Class __defaultSurfaceClass;
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@implementation CairoSurface
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+ (void) setDefaultSurfaceClass: (Class)aClass
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{
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__defaultSurfaceClass = aClass;
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}
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+ (void) initializeBackend
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{
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if (BUILD_SERVER == SERVER_x11)
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{
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#ifdef USE_GLITZ
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[self setDefaultSurfaceClass: [XGCairoGlitzSurface class]];
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#else
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[self setDefaultSurfaceClass: [XGCairoSurface class]];
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#endif
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}
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}
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+ (void) _listSurface
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{
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int i;
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id str = @"surfaces :";
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if (surface_list == NULL)
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{
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NSLog(@"no surface");
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return;
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}
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for (i = 0; i < num_cairo_surfaces; i++)
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{
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str = [NSString stringWithFormat: @"%@ %p", str, surface_list[i]];
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}
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NSLog(str);
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}
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+ (CairoSurface *) surfaceForDevice: (void *)device
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depthInfo: (CairoInfo *)cairoInfo
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{
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id newsurface;
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int i;
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for (i = 0; i < num_cairo_surfaces; i++)
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{
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if (surface_list[i]->gsDevice == device)
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{
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return surface_list[i];
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}
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}
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/* a surface for the device isn't found
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* create a new one */
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newsurface =[self createSurfaceForDevice: device depthInfo:cairoInfo];
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num_cairo_surfaces++;
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surface_list = realloc (surface_list, sizeof (void *) * num_cairo_surfaces);
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if (!surface_list)
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{
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NSLog(@"Woah.. buy some memory man! CairoSurface.m meet OOMKiller! %d",
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__LINE__);
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exit(1);
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}
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surface_list[num_cairo_surfaces - 1] = newsurface;
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return newsurface;
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}
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+ (CairoSurface *) createSurfaceForDevice: (void *)device
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depthInfo: (CairoInfo *)cairoInfo
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{
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if (__defaultSurfaceClass == self)
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{
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[self subclassResponsibility: _cmd];
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return nil;
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}
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return [__defaultSurfaceClass createSurfaceForDevice: device depthInfo: cairoInfo];
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}
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- (id) initWithDevice: (void *) device
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{
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/* TODO FIXME make a more abstract struct for the device */
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/* _surface = cairo_surface_create_for_image(); */
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[self subclassResponsibility:_cmd];
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return self;
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}
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- (void) dealloc
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{
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//NSLog(@"CairoSurface dealloc");
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[super dealloc];
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}
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- (void) setAsTargetOfCairo: (cairo_t *)ct
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{
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[self subclassResponsibility:_cmd];
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}
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- (NSString *) description
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{
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return [NSString stringWithFormat:@"<CairoSurface %p xr:%p>", self, NULL];
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}
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-(NSSize) size
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{
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[self subclassResponsibility:_cmd];
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return NSMakeSize(0, 0);
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}
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@end
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