QtWebcam/ImageFormats.cpp at master · GoodRon/QtWebcam · GitHub

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/*
 * Copyright (c) 2016, Roman Meyta <theshrodingerscat@gmail.com>
 * All rights reserved
 */

#include <QByteArray>

#include "ImageFormats.h"

/**
 * @brief Make QImage in specified format
 *
 * @param data
 * @param len
 * @param width
 * @param height
 * @return QImage
 */
QImage simpleQimage(const unsigned char* data, unsigned len,
                    unsigned width, unsigned height, QImage::Format format) {
    return QImage(data, width, height, format);
}

QImage makeARGB32Image(const unsigned char* data, unsigned len,
                       unsigned width, unsigned height) {
    return simpleQimage(data, len, width, height, QImage::Format_ARGB32).rgbSwapped();
}

QImage makeRGB32Image(const unsigned char* data, unsigned len,
                      unsigned width, unsigned height) {
    return simpleQimage(data, len, width, height, QImage::Format_RGB32).rgbSwapped();
}

QImage makeRGB24Image(const unsigned char* data, unsigned len,
                      unsigned width, unsigned height) {
    return simpleQimage(data, len, width, height, QImage::Format_RGB888).rgbSwapped();
}

QImage makeRGB555Image(const unsigned char* data, unsigned len,
                       unsigned width, unsigned height) {
    return simpleQimage(data, len, width, height, QImage::Format_RGB555).rgbSwapped();
}

QImage makeRGB565Image(const unsigned char* data, unsigned len,
                       unsigned width, unsigned height) {
    return simpleQimage(data, len, width, height, QImage::Format_RGB16).rgbSwapped();
}

QImage makeJPGImage(const unsigned char* data, unsigned len,
                     unsigned width, unsigned height) {
    QByteArray bytes(reinterpret_cast<const char*>(data), len);
    QImage image;
    image.loadFromData(bytes, "JPEG");
    return image;
}

QImage dummy(const unsigned char* data, unsigned len, unsigned width, unsigned height) {
    QImage image;
    return image;
}