Rack/include/app/common.hpp

#pragma once
#include <jansson.h>

#include <common.hpp>
#include <math.hpp>


namespace rack {


/** Rack-specific GUI widgets and functions that control and offer feedback for the rack state.
*/
namespace app {


static const float SVG_DPI = 75.f;
static const float MM_PER_IN = 25.4f;


/** Converts inch measurements to pixels */
inline float in2px(float in) {
	return in * SVG_DPI;
}

inline math::Vec in2px(math::Vec in) {
	return in.mult(SVG_DPI);
}

/** Converts millimeter measurements to pixels */
inline float mm2px(float mm) {
	return mm * (SVG_DPI / MM_PER_IN);
}

inline math::Vec mm2px(math::Vec mm) {
	return mm.mult(SVG_DPI / MM_PER_IN);
}


// A 1HPx3U module should be 15x380 pixels. Thus the width of a module should be a factor of 15.
static const float RACK_GRID_WIDTH = 15;
static const float RACK_GRID_HEIGHT = 380;
static const math::Vec RACK_GRID_SIZE = math::Vec(RACK_GRID_WIDTH, RACK_GRID_HEIGHT);
static const math::Vec RACK_OFFSET = RACK_GRID_SIZE.mult(math::Vec(2000, 100));
static const math::Vec BUS_BOARD_GRID_SIZE = math::Vec(RACK_GRID_WIDTH * 20, RACK_GRID_HEIGHT);


} // namespace app
} // namespace rack