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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
82 lines
2.3 KiB
Objective-C
82 lines
2.3 KiB
Objective-C
/*
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Copyright (C) 2002 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 <Foundation/NSUserDefaults.h>
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#include <math.h>
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#include "cairo/XGCairoXImageSurface.h"
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#define GSWINDEVICE ((gswindow_device_t *)gsDevice)
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@implementation XGCairoXImageSurface
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+ (CairoSurface *) createSurfaceForDevice: (void *)device
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depthInfo: (CairoInfo *)cairoInfo
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{
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#define NEWGSWINDEVICE ((gswindow_device_t *)device)
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XGCairoXImageSurface *surface;
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surface = [[self alloc] initWithDevice:NEWGSWINDEVICE];
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NSAssert(NEWGSWINDEVICE->buffer, @"FIXME! CairoSurface: Strange, a window doesn't have buffer");
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return surface;
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#undef NEWGSWINDEVICE
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}
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- (NSString *) description
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{
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return [NSString stringWithFormat: @"<XGCairoXImageSurface %p xr:%p>", self, image];
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}
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- (id) initWithDevice: (void *)device
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{
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/* FIXME format is ignore when Visual isn't NULL
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* Cairo may change this API
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*/
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gsDevice = device;
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image = XCreateImage(GSWINDEVICE->display,
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DefaultVisual(GSWINDEVICE->display,
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DefaultScreen(GSWINDEVICE->display)),
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24, ZPixmap, 0, NULL,
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GSWINDEVICE->xframe.size.width,
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GSWINDEVICE->xframe.size.height,
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8, 0);
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image->data = malloc(image->height * image->bytes_per_line);
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NSLog(@"alloc %d %d %d",image->width,image->height,(image->height * image->bytes_per_line));
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return self;
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}
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- (void) setAsTargetOfCairo: (cairo_t *)ct
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{
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cairo_set_target_image(ct, image->data, CAIRO_FORMAT_ARGB32,
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image->width, image->height, image->width*4);
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}
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- (NSSize) size
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{
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return GSWINDEVICE->xframe.size;
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}
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@end
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