Bump libdcp for macOS warning fix.

[libsub.git] / src / subtitle.h

diff --git a/src/subtitle.h b/src/subtitle.h
index b60b7f7adca2e8b98abacfc87bb06b1dc679b0ca..fba0cf40543b75079e7e71235f216503c65b5acd 100644 (file)
--- a/src/subtitle.h
+++ b/src/subtitle.h
@@ -20,72 +20,112 @@
 #ifndef LIBSUB_SUBTITLE_H
 #define LIBSUB_SUBTITLE_H
 
-#include "frame_time.h"
-#include "metric_time.h"
 #include "colour.h"
 #include "vertical_reference.h"
 #include "effect.h"
+#include "font_size.h"
+#include "vertical_position.h"
+#include "horizontal_position.h"
+#include "raw_subtitle.h"
 #include <boost/optional.hpp>
 #include <string>
+#include <vector>
 
 namespace sub {
 
-class Subtitle
+/** @class Block
+ *  @brief A block of text within a subtitle's line
+ *
+ *  This represents a block of text which has a particular style (font, size, effect, colour etc.)
+ */
+class Block
 {
 public:
-       Subtitle ()
+       Block ()
                : colour (1, 1, 1)
                , bold (false)
                , italic (false)
                , underline (false)
-               , line (0)
        {}
 
+       /** Construct a Block taking any relevant information from a RawSubtitle */
+       Block (RawSubtitle s);
+
+       /** Subtitle text in UTF-8 */
        std::string text;
-       std::string font;
+       boost::optional<std::string> font;
 
        /** font size */
-       struct {
-               /** as a proportion of screen height */
-               boost::optional<float> proportional;
-               /** in points */
-               boost::optional<int> points;
-       } font_size;
-
-       /** vertical position of the baseline of the text */
-       struct {
-               /** as a proportion of screen height offset from some reference point */
-               boost::optional<float> proportional;
-               /** reference position for proportional */
-               boost::optional<VerticalReference> reference;
-       } vertical_position;
+       FontSize font_size;
 
        boost::optional<Effect> effect;
        boost::optional<Colour> effect_colour;
-       
+
        Colour colour;
        bool bold;      ///< true to use a bold version of font
        bool italic;    ///< true to use an italic version of font
        bool underline; ///< true to underline
-       int line;
+};
 
-       /** from time */
-       struct {
-               boost::optional<FrameTime> frame;
-               boost::optional<MetricTime> metric;
-       } from;
+extern bool operator== (Block const & a, Block const & b);
+
+/** @class Line
+ *  @brief A line of text within a subtitle.
+ *
+ *  This represents a line of text which has a particular vertical position.
+ */
+class Line
+{
+public:
+       Line ()
+       {
+               horizontal_position.reference = HORIZONTAL_CENTRE_OF_SCREEN;
+       }
+
+       /** Construct a Line taking any relevant information from a RawSubtitle */
+       Line (RawSubtitle s);
+
+       HorizontalPosition horizontal_position;
+
+       /** vertical position of the baseline of the text */
+       VerticalPosition vertical_position;
 
+       std::vector<Block> blocks;
+
+       bool same_metadata (RawSubtitle) const;
+};
+
+extern bool operator== (Line const & a, Line const & b);
+
+/** @class Subtitle
+ *  @brief A subtitle which has been collected into lines and blocks.
+ *
+ *  This represents a chunk of text which appears and disappears at some particular
+ *  times.
+ */
+class Subtitle
+{
+public:
+       Subtitle ()
+       {}
+
+       /** Construct a Line taking any relevant information from a RawSubtitle */
+       Subtitle (RawSubtitle s);
+
+       /** from time */
+       Time from;
        /** to time */
-       struct {
-               boost::optional<FrameTime> frame;
-               boost::optional<MetricTime> metric;
-       } to;
+       Time to;
+
+       boost::optional<Time> fade_up;
+       boost::optional<Time> fade_down;
+
+       std::vector<Line> lines;
 
-       boost::optional<MetricTime> fade_up;
-       boost::optional<MetricTime> fade_down;
+       bool same_metadata (RawSubtitle) const;
 };
 
-bool operator< (Subtitle const & a, Subtitle const & b);       
+extern bool operator== (Subtitle const & a, Subtitle const & b);
 
 }