diff options
Diffstat (limited to 'libass/ass.h')
| -rw-r--r-- | libass/ass.h | 87 |
1 files changed, 71 insertions, 16 deletions
diff --git a/libass/ass.h b/libass/ass.h index ca9d8af..80f9247 100644 --- a/libass/ass.h +++ b/libass/ass.h @@ -23,7 +23,7 @@ #include <stdarg.h> #include "ass_types.h" -#define LIBASS_VERSION 0x01201000 +#define LIBASS_VERSION 0x01201001 #ifdef __cplusplus extern "C" { @@ -96,8 +96,75 @@ typedef enum { * ass_set_selective_style_override_enabled() for details. */ typedef enum { - ASS_OVERRIDE_BIT_STYLE = 1, - ASS_OVERRIDE_BIT_FONT_SIZE = 2, + /** + * Default mode (with no other bits set). All selective override features + * as well as the style set with ass_set_selective_style_override() are + * disabled, but traditional overrides like ass_set_font_scale() are + * applied unconditionally. + */ + ASS_OVERRIDE_DEFAULT = 0, + /** + * Apply the style as set with ass_set_selective_style_override() on events + * which look like dialogue. Other style overrides are also applied this + * way, except ass_set_font_scale(). How ass_set_font_scale() is applied + * depends on the ASS_OVERRIDE_BIT_SELECTIVE_FONT_SCALE flag. + * + * This is equivalent to setting all of the following bits: + * + * ASS_OVERRIDE_BIT_FONT_NAME + * ASS_OVERRIDE_BIT_FONT_SIZE_FIELDS + * ASS_OVERRIDE_BIT_COLORS + * ASS_OVERRIDE_BIT_BORDER + * ASS_OVERRIDE_BIT_ATTRIBUTES + */ + ASS_OVERRIDE_BIT_STYLE = 1 << 0, + /** + * Apply ass_set_font_scale() only on events which look like dialogue. + * If not set, the font scale is applied to all events. (The behavior and + * name of this flag are unintuitive, but exist for compatibility) + */ + ASS_OVERRIDE_BIT_SELECTIVE_FONT_SCALE = 1 << 1, + /** + * Old alias for ASS_OVERRIDE_BIT_SELECTIVE_FONT_SCALE. Deprecated. Do not use. + */ + ASS_OVERRIDE_BIT_FONT_SIZE = 1 << 1, + /** + * On dialogue events override: FontSize, Spacing, Blur, ScaleX, ScaleY + */ + ASS_OVERRIDE_BIT_FONT_SIZE_FIELDS = 1 << 2, + /** + * On dialogue events override: FontName, treat_fontname_as_pattern + */ + ASS_OVERRIDE_BIT_FONT_NAME = 1 << 3, + /** + * On dialogue events override: PrimaryColour, SecondaryColour, OutlineColour, BackColour + */ + ASS_OVERRIDE_BIT_COLORS = 1 << 4, + /** + * On dialogue events override: Bold, Italic, Underline, StrikeOut + */ + ASS_OVERRIDE_BIT_ATTRIBUTES = 1 << 5, + /** + * On dialogue events override: BorderStyle, Outline, Shadow + */ + ASS_OVERRIDE_BIT_BORDER = 1 << 6, + /** + * On dialogue events override: Alignment + */ + ASS_OVERRIDE_BIT_ALIGNMENT = 1 << 7, + /** + * On dialogue events override: MarginL, MarginR, MarginV + */ + ASS_OVERRIDE_BIT_MARGINS = 1 << 8, + /** + * Unconditionally replace all fields of all styles with the one provided + * with ass_set_selective_style_override(). + * Does not apply ASS_OVERRIDE_BIT_SELECTIVE_FONT_SCALE. + * Add ASS_OVERRIDE_BIT_FONT_SIZE_FIELDS and ASS_OVERRIDE_BIT_BORDER if + * you want FontSize, Spacing, Outline, Shadow to be scaled to the script + * resolution given by the ASS_Track. + */ + ASS_OVERRIDE_FULL_STYLE = 1 << 9, } ASS_OverrideBits; /** @@ -345,19 +412,7 @@ void ass_set_fonts(ASS_Renderer *priv, const char *default_font, * only be implemented on "best effort" basis, and has to rely on * heuristics that can easily break. * \param priv renderer handle - * \param bits bit mask comprised of ASS_OverrideBits values. If the value is - * 0, all override features are disabled, and libass will behave like libass - * versions before this feature was introduced. Possible values: - * ASS_OVERRIDE_BIT_STYLE: apply the style as set with - * ass_set_selective_style_override() on events which look like - * dialogue. Other style overrides are also applied this way, except - * ass_set_font_scale(). How ass_set_font_scale() is applied depends - * on the ASS_OVERRIDE_BIT_FONT_SIZE flag. - * ASS_OVERRIDE_BIT_FONT_SIZE: apply ass_set_font_scale() only on events - * which look like dialogue. If not set, it is applied to all - * events. - * 0: ignore ass_set_selective_style_override(), but apply all other - * overrides (traditional behavior). + * \param bits bit mask comprised of ASS_OverrideBits values. */ void ass_set_selective_style_override_enabled(ASS_Renderer *priv, int bits); |