timecodeoverlaynode.h

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#pragma once
 
#include <promeki/core/namespace.h>
#include <promeki/core/string.h>
#include <promeki/core/filepath.h>
#include <promeki/proav/medianode.h>
#include <promeki/proav/fontpainter.h>
 
PROMEKI_NAMESPACE_BEGIN
 
class TimecodeOverlayNode : public MediaNode {
        PROMEKI_OBJECT(TimecodeOverlayNode, MediaNode)
        public:
                enum Position {
                        TopLeft,        
                        TopCenter,      
                        TopRight,       
                        BottomLeft,     
                        BottomCenter,   
                        BottomRight,    
                        Custom          
                };
 
                TimecodeOverlayNode(ObjectBase *parent = nullptr);
 
                virtual ~TimecodeOverlayNode() = default;
 
                void setFontPath(const FilePath &path) { _fontPath = path; return; }
 
                const FilePath &fontPath() const { return _fontPath; }
 
                void setFontSize(int points) { _fontSize = points; return; }
 
                int fontSize() const { return _fontSize; }
 
                void setPosition(Position pos) { _position = pos; return; }
 
                void setPosition(int x, int y) {
                        _position = Custom;
                        _customX = x;
                        _customY = y;
                        return;
                }
 
                Position position() const { return _position; }
 
                void setTextColor(uint16_t r, uint16_t g, uint16_t b) {
                        _colorR = r; _colorG = g; _colorB = b;
                        return;
                }
 
                void setDrawBackground(bool enable) { _drawBackground = enable; return; }
 
                bool drawBackground() const { return _drawBackground; }
 
                void setCustomText(const String &text) { _customText = text; return; }
 
                const String &customText() const { return _customText; }
 
                // ---- Lifecycle overrides ----
 
                Error configure() override;
 
                void process() override;
 
        private:
                FilePath        _fontPath;
                int             _fontSize = 36;
                Position        _position = BottomCenter;
                int             _customX = 0;
                int             _customY = 0;
                uint16_t        _colorR = 65535;
                uint16_t        _colorG = 65535;
                uint16_t        _colorB = 65535;
                bool            _drawBackground = true;
                String          _customText;
 
                FontPainter     _fontPainter;
 
                void computePosition(int frameWidth, int frameHeight, int textWidth, int totalHeight, int &x, int &y) const;
};
 
PROMEKI_NAMESPACE_END