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/*
* Copyright (C) 2024 Linux Studio Plugins Project <https://lsp-plug.in/>
* (C) 2024 Vladimir Sadovnikov <sadko4u@gmail.com>
*
* This file is part of lsp-tk-lib
* Created on: 28 сент. 2020 г.
*
* lsp-tk-lib 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 3 of the License, or
* any later version.
*
* lsp-tk-lib 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 lsp-tk-lib. If not, see <https://www.gnu.org/licenses/>.
*/
#ifndef LSP_PLUG_IN_TK_WIDGETS_SPECIFIC_AUDIOCHANNEL_H_
#define LSP_PLUG_IN_TK_WIDGETS_SPECIFIC_AUDIOCHANNEL_H_
#ifndef LSP_PLUG_IN_TK_IMPL
#error "use <lsp-plug.in/tk/tk.h>"
#endif
namespace lsp
{
namespace tk
{
class AudioSample;
// Style definition
namespace style
{
LSP_TK_STYLE_DEF_BEGIN(AudioChannel, Widget)
prop::Integer sHeadCut; // Head cut
prop::Integer sTailCut; // Tail cut
prop::Integer sFadeIn; // Number of samples for fade-in
prop::Integer sFadeOut; // Number of samples for fade-out
prop::Integer sStretchBegin; // Start of the stretch region
prop::Integer sStretchEnd; // End position of the stretch region
prop::Integer sLoopBegin; // Start of the loop region
prop::Integer sLoopEnd; // End position of the loop region
prop::Integer sPlayPosition; // Current playback position
prop::Integer sWaveBorder; // Wave border
prop::Integer sFadeInBorder; // Fade in border
prop::Integer sFadeOutBorder; // Fade out border
prop::Integer sStretchBorder; // Stretch border
prop::Integer sLoopBorder; // Loop border
prop::Integer sPlayBorder; // Playback position border
prop::Integer sLineWidth; // Line width
prop::Float sMaxAmplitude; // maximum amplitude that can be displayed
prop::Color sColor; // Color of the audio channel
prop::Color sLineColor; // Line color
prop::Color sWaveBorderColor; // Color of the wave border
prop::Color sHeadCutColor; // Color of head cut
prop::Color sTailCutColor; // Color of tail cut
prop::Color sFadeInColor; // Color of fade-in
prop::Color sFadeOutColor; // Fade-out color
prop::Color sStretchColor; // Stretch fill color
prop::Color sLoopColor; // Loop fill color
prop::Color sPlayColor; // Playback position color
prop::Color sFadeInBorderColor; // Color of fade-in
prop::Color sFadeOutBorderColor;// Fade-out color
prop::Color sStretchBorderColor;// Stretch border color
prop::Color sLoopBorderColor; // Loop border color
prop::SizeConstraints sConstraints; // Size constraints
LSP_TK_STYLE_DEF_END
}
/**
* Audio channel: implements one single audio channel
*/
class AudioChannel: public Widget
{
public:
static const w_class_t metadata;
private:
friend class AudioSample;
protected:
typedef struct range_t
{
prop::Integer *begin;
prop::Integer *end;
prop::Integer *border;
prop::Color *color;
prop::Color *border_color;
} range_t;
protected:
prop::FloatArray vSamples;
prop::Integer sHeadCut; // Head cut
prop::Integer sTailCut; // Tail cut
prop::Integer sFadeIn; // Number of samples for fade-in
prop::Integer sFadeOut; // Number of samples for fade-out
prop::Integer sStretchBegin; // Start of the stretch region
prop::Integer sStretchEnd; // End position of the stretch region
prop::Integer sLoopBegin; // Start of the loop region
prop::Integer sLoopEnd; // End position of the loop region
prop::Integer sPlayPosition; // Current playback position
prop::Integer sWaveBorder; // Wave border
prop::Integer sFadeInBorder; // Fade in border
prop::Integer sFadeOutBorder; // Fade out border
prop::Integer sStretchBorder; // Stretch border
prop::Integer sLoopBorder; // Loop border
prop::Integer sPlayBorder; // Playback position border
prop::Integer sLineWidth; // Line width
prop::Float sMaxAmplitude; // maximum amplitude that can be displayed
prop::Color sColor; // Color of the audio channel
prop::Color sLineColor; // Line color
prop::Color sWaveBorderColor; // Color of the wave border
prop::Color sHeadCutColor; // Color of head cut
prop::Color sTailCutColor; // Color of tail cut
prop::Color sFadeInColor; // Color of fade-in
prop::Color sFadeOutColor; // Fade-out color
prop::Color sStretchColor; // Stretch fill color
prop::Color sLoopColor; // Loop fill color
prop::Color sPlayColor; // Playback position color
prop::Color sFadeInBorderColor; // Color of fade-in
prop::Color sFadeOutBorderColor;// Fade-out color
prop::Color sStretchBorderColor;// Stretch border color
prop::Color sLoopBorderColor; // Loop border color
prop::SizeConstraints sConstraints; // Size constraints
protected:
virtual void size_request(ws::size_limit_t *r);
virtual void property_changed(Property *prop);
void draw_samples(const ws::rectangle_t *r, ws::ISurface *s, size_t samples, float scaling, float bright, float max_amplitude);
void draw_fades(const ws::rectangle_t *r, ws::ISurface *s, size_t samples, float scaling, float bright);
void draw_range(const ws::rectangle_t *r, ws::ISurface *s, range_t *range, size_t samples, float scaling, float bright);
void draw_play_position(const ws::rectangle_t *r, ws::ISurface *s, size_t samples, float scaling, float bright);
public:
explicit AudioChannel(Display *dpy);
AudioChannel(const AudioChannel &) = delete;
AudioChannel(AudioChannel &&) = delete;
virtual ~AudioChannel();
AudioChannel & operator = (const AudioChannel &) = delete;
AudioChannel & operator = (AudioChannel &) = delete;
virtual status_t init();
public:
LSP_TK_PROPERTY(FloatArray, samples, &vSamples);
LSP_TK_PROPERTY(Integer, head_cut, &sHeadCut);
LSP_TK_PROPERTY(Integer, tail_cut, &sTailCut);
LSP_TK_PROPERTY(Integer, fade_in, &sFadeIn);
LSP_TK_PROPERTY(Integer, fade_out, &sFadeOut);
LSP_TK_PROPERTY(Integer, stretch_begin, &sStretchBegin);
LSP_TK_PROPERTY(Integer, stretch_end, &sStretchEnd);
LSP_TK_PROPERTY(Integer, loop_begin, &sLoopBegin);
LSP_TK_PROPERTY(Integer, loop_end, &sLoopEnd);
LSP_TK_PROPERTY(Integer, loop_border, &sLoopBorder);
LSP_TK_PROPERTY(Integer, play_position, &sPlayPosition);
LSP_TK_PROPERTY(Integer, play_border, &sPlayBorder);
LSP_TK_PROPERTY(Integer, wave_border, &sWaveBorder);
LSP_TK_PROPERTY(Integer, fade_in_border, &sFadeInBorder);
LSP_TK_PROPERTY(Integer, fade_out_border, &sFadeOutBorder);
LSP_TK_PROPERTY(Integer, stretch_border, &sStretchBorder);
LSP_TK_PROPERTY(Integer, line_width, &sLineWidth);
LSP_TK_PROPERTY(Float, max_amplitude, &sMaxAmplitude);
LSP_TK_PROPERTY(Color, color, &sColor);
LSP_TK_PROPERTY(Color, wave_border_color, &sWaveBorderColor);
LSP_TK_PROPERTY(Color, head_cut_color, &sHeadCutColor);
LSP_TK_PROPERTY(Color, tail_cut_color, &sTailCutColor);
LSP_TK_PROPERTY(Color, fade_in_color, &sFadeInColor);
LSP_TK_PROPERTY(Color, fade_out_color, &sFadeOutColor);
LSP_TK_PROPERTY(Color, stretch_color, &sStretchColor)
LSP_TK_PROPERTY(Color, loop_color, &sLoopColor)
LSP_TK_PROPERTY(Color, play_color, &sPlayColor)
LSP_TK_PROPERTY(Color, fade_in_border_color, &sFadeInBorderColor);
LSP_TK_PROPERTY(Color, fade_out_border_color, &sFadeOutBorderColor);
LSP_TK_PROPERTY(Color, stretch_border_color, &sStretchBorderColor);
LSP_TK_PROPERTY(Color, loop_border_color, &sLoopBorderColor);
LSP_TK_PROPERTY(Color, line_color, &sLineColor);
LSP_TK_PROPERTY(SizeConstraints, constraints, &sConstraints);
public:
virtual void draw(ws::ISurface *s);
};
} /* namespace tk */
} /* namespace lsp */
#endif /* LSP_PLUG_IN_TK_WIDGETS_SPECIFIC_AUDIOCHANNEL_H_ */
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