source: trunk/Subtitles/SubContext.h @ 659

//
//  SubContext.h
//  SSARender2
//
//  Created by Alexander Strange on 7/28/07.
//  Copyright 2007 __MyCompanyName__. All rights reserved.
//

#import <Cocoa/Cocoa.h>
#import "SubRenderer.h"

//you'd think VSFilter would use 72dpi (scale by 1) or 96dpi (scale by .75) but it doesn't
#define kVSFilterFontScale .9

enum {kSubTypeSSA, kSubTypeASS, kSubTypeSRT};
enum {kSubCollisionsNormal, kSubCollisionsReverse};
enum {kSubLineWrapTopWider = 0, kSubLineWrapSimple, kSubLineWrapNone, kSubLineWrapBottomWider};
enum {kSubAlignmentLeft, kSubAlignmentCenter, kSubAlignmentRight};
enum {kSubAlignmentBottom, kSubAlignmentMiddle, kSubAlignmentTop};

typedef ATSURGBAlphaColor SubRGBAColor;

@interface SubStyle : NSObject {        
        @public;
        NSString *name;
        NSString *fontname;
        Float32 size;
        SubRGBAColor primaryColor, secondaryColor, outlineColor, shadowColor;
        Float32 scaleX, scaleY, tracking, angle;
        Float32 outlineRadius, shadowDist;
        unsigned marginL, marginR, marginV;
        BOOL bold, italic, underline, strikeout;
        UInt8 alignH, alignV, borderStyle;
        void* ex;
        SubRenderer *delegate;
}
+(SubStyle*)defaultStyleWithDelegate:(SubRenderer*)delegate;
-(SubStyle*)initWithDictionary:(NSDictionary *)s scriptVersion:(UInt8)version delegate:(SubRenderer *)renderer;
@end

@interface SubContext : NSObject {
        @public;
        
        float resX, resY;
        UInt8 scriptType, collisions, wrapStyle;
        NSDictionary *styles; SubStyle *defaultStyle;
        NSDictionary *headers;
        NSString *headertext;
}

-(SubContext*)initWithHeaders:(NSDictionary *)headers styles:(NSArray *)styles extraData:(NSString *)ed delegate:(SubRenderer*)delegate;
-(SubContext*)initWithNonSSAType:(UInt8)type delegate:(SubRenderer*)delegate;
-(SubStyle*)styleForName:(NSString *)name;
-(void)fixupResForVideoAspectRatio:(float)aspect;
@end

extern UInt8 SSA2ASSAlignment(UInt8 a);
void ParseASSAlignment(UInt8 a, UInt8 *alignH, UInt8 *alignV);
extern SubRGBAColor ParseSSAColor(unsigned rgb);