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OpenVulkano/openVulkanoCpp/Image/ExifBuilder.hpp

74 lines
1.6 KiB
C++

/*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at https://mozilla.org/MPL/2.0/.
*/
#pragma once
#include <vector>
#include <string>
#include <stdint.h>
namespace OpenVulkano::Image
{
struct RationalValue
{
uint32_t nominator;
uint32_t denominator;
};
enum class LatitudeRef
{
NORTH,
SOUTH,
};
enum class LongitudeRef
{
EAST,
WEST,
};
enum class GPSTrackRef
{
TRUE_NORTH,
MAGNETIC
};
struct GPSCoords
{
int32_t degrees, minutes, seconds;
LatitudeRef latitudeRef = LatitudeRef::NORTH;
LongitudeRef longitudeRef = LongitudeRef::EAST;
GPSCoords(float decimalDegrees, bool isLatitude);
GPSCoords(int32_t degrees, int32_t minutes, int32_t seconds);
};
class ExifBuilder
{
public:
int orientation = 0;
std::string make;
std::string model;
RationalValue xResolution = { 0, 0 };
RationalValue yResolution = { 0, 0 };
int resolutionUnit = 0;
RationalValue exposureTime = { 0, 0 };
std::string dateTaken; // format: yyyy:mm:dd hh:mm:ss
std::string softwareUsed = "OpenVulkano";
GPSCoords latitude = { 0, 0, 0 };
GPSCoords longitude = { 0, 0, 0 };
bool altitudeIsAboveSeaLevel = true;
uint32_t altitude = 0;
GPSTrackRef trackRef = GPSTrackRef::TRUE_NORTH;
float track = 0; // range is [0.0; 360.0)
void SetAltitude(float level);
// Typical usage is -> jpeg_write_marker(cinfo, JPEG_APP0 + 1, exif_data.data(), exif_data.size());
std::vector<uint8_t> Build();
static std::string GetCurrentTimestamp();
};
}