/*
 * SubRenderer.h
 * Created by Alexander Strange on 7/28/07.
 *
 * This file is part of Perian.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with FFmpeg; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 */

__BEGIN_DECLS

#include <ApplicationServices/ApplicationServices.h>

#ifdef __OBJC__
#import <Cocoa/Cocoa.h>

@class SubStyle, SubStyleExtra;
@class SubContext, SubRenderDiv, SubRenderSpan, SubRenderSpanExtra;

typedef enum {
	tag_b=0, tag_i, tag_u, tag_s, tag_bord, tag_shad, tag_be,
	tag_fn, tag_fs, tag_fscx, tag_fscy, tag_fsp, tag_frx,
	tag_fry, tag_frz, tag_1c, tag_2c, tag_3c, tag_4c, tag_alpha,
	tag_1a, tag_2a, tag_3a, tag_4a, tag_r, tag_p
} SubSSATagName;

@interface SubRenderer : NSObject
-(void)didCompleteHeaderParsing:(SubContext*)sc;
-(void)didCompleteStyleParsing:(SubStyle*)s;

-(void)didCreateStartingSpan:(SubRenderSpan*)span forDiv:(SubRenderDiv*)div;

-(void)spanChangedTag:(SubSSATagName)tag span:(SubRenderSpan*)span div:(SubRenderDiv*)div param:(void*)p;

-(float)aspectRatio;
@end

typedef id SubRendererPtr;

#else // !__OBJC__

typedef void *SubRendererPtr;

#endif

// these are actually implemented in SubATSUIRenderer.m
SubRendererPtr SubRendererCreate(int isSSA, char *header, size_t headerLen, int width, int height);
void SubRendererPrerollFromHeader(char *header, int headerLen);
void SubRendererRenderPacket(SubRendererPtr s, CGContextRef c, CFStringRef str, int cWidth, int cHeight);
void SubRendererDispose(SubRendererPtr s);

__END_DECLS